Denon DN-730R User manual
Denon DN-730R is a vertical tape loading stereo cassette deck featuring a 4-track 2-channel recording/playback head and a double-gap ferrite erase head. It has variable playback speed, fast forward, and rewind functions. The deck also includes a Dolby NR system for noise reduction, and a microphone input for recording. Additionally, it has a headphone output and a line input and output for connecting to other audio components. With its various features, the Denon DN-730R is a versatile cassette deck suitable for both home and professional use.
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IDENON SERVICE MANUA DN-730R MODEL STEREO CASSE'I-I'E TAPE DECK -- TABLE OF CONTENTS -- SPECIFICATIONS .......................................................................................................................................................... 3 BLOCK DIAGRAM ......................................................................................................................................................... J, LEVEL DIAGRAM .......................................................................................................................................................... DISASSEMBLY INSTRUCTIONS ADJUSTING AND CHECKING ADJLISTING THE ELECTRICAL ........................................................................................................................... THE MECHANISM SECTIONS !5 6-7 SECTION .................................................................................. 3 ....................................................................................................... 9-- 10 NOTE FOR PARTS LIST ........................................................................................................................................... l'D PARTS LIST OF 3U-2584 AUDIO PARTS LIST OF 3U-2063 POWER SUPPLY UNIT ................................................................................................. PARTS LIST OF EXPLODED METER UNIT .............................................................................................. 11-13 13 VIEW .......................................................................................................................... 14 EXPLODED VIEW ....................................................................................................................................................... 15 EXPLODED VIEW OF CASSEq-I-E 16 MECHANISM PARTS LIST OF CASSEqq-E MECHANISM PARTS LIST OF PACKING PACKING & ACCESSORIES .................................................................................................... EXPLODED & ACCESSORIES VIEW ............................................................................ ........................................................................................................ OF 3U-2584 AUDIO/METER P.W. BOARD OF 3U-2063 POWER SUPPLY UNIT ............................................................................................... BUNDLE WIRING DIAGRAM DIAGRAM SCHEMATIC t7 UNIT .................................................................................................. ........................................................................................................................................... 18 19 20-21 .................................................................................................................................................... ..................................................................................................................................................... DIAGRAM NIPPON 17 ..................................................................................................................................... P.W. BOARD SEMJCONDUCTORS 17 ............................................................................................................................................. COLUMBIA CO.. LTD. 2:1 22 ,!'.3 _ ON--730R DN--730R !'SPECIFICATIONS I Type • Vertical tape loading; stereo cassette deck Heads Recording/playback 4-track 2-channel head (amorphous) Erase head (Double-gap ferrite) Motors Capstan (DC servo motor) Reel (DC motor) x 1 Tape Speed Variable (PLAY) 4.8 cm/sec. Fast Forward, Rewind Time Flecording Bias Overall S/N Ratio (at 3% THD Overall red,iF X 1 × 1 × 1 (FIX) Approx. _+12% Approx. 110 sec. with a C-60 cassette Approx. 105 kHz Dolby_ NR on" more than 74 dB (CCIR/ARM) Frequency Response 25N19,000 Channel Separation Crosstalk Wow & Flutter Hz 4:3 dB (at --20 dB, Metal tape) More than 40 dB (at 1 kHz) More than 65 dB (at 1 kHz) 0.055% WRMS (JIS method), Inputs Line _+0.14% w. peak 80 mV (--20 dBm) input level at maximum Input impedance: Outputs " Line 50 kohm unbalanced 775 mV (0 dB) output level at maximum (with 47 kohm load, recorded 200 pwb/mm) Headphone 1.2 mW output (optimum Voltage 16W Weight Installation 4.7 kg is shown on rating label 19-inch rack mountable iN Above specifications improvement. iN Dolb¥ noise under licence and reduction from and bolby originated by Band & Olufsen. "DOLBY", the double-D design HX symbol Licensing Best be obtained will styling (3U) are subject Pro headroom Laboratories Dolby Laboratories tapes. kohm) 482 (W) X 134 (H) ;< 275 (D) mm _ results level at maximum load impedance 8 ohmN1.2 Power supply Power Consumption Dimensions level of extension Licensing 1313 and "HX to change for manufactured Corporation. HX Pro PRO" are trademarks of Corporation. with use of DENON DX and HD Series cassette I 1 I [ _BLOcK DI_A_G_B_A_M_ 1 z DN-730R I iEVEL DIAGRAM j PLAYBACK SYSTEM TCC-130 IDOLBY B-TYPE 400 Hz 200 nw-b/m PB - - TESI400_'z HEAD PB - EQ AMP IC302 (3) PB DOLBY NR SYSTEMIC GAiN LINE MUTE HEA[',)PHONE T_?04 AMP PHONES iC306 OUT 7 rC303 A_= !' -- 'J (2) I I .__'-'r:_ ' dl [ aT,o, + (RT20b LINE LINE %? _UTE ..... _+___, ! I ÷TdB /J_-----Io_B '°I, _HONES L,NEO0, :, -20_ I ! -ac -i 60" i -704 -rob _" _LAY RECORDING BACK TCC-'30 400Hz 200nwbzm OdB=775mV SYSTEM INPUT FREQUENCY 400 Hz L KE :N_:Z INPUT VOLUME DOLBY SYSTEM NR REC IC qEC SENSE 5 EO AMP C,_10 4 BIAS REC -RAP HEAD iNPUT FRE QUE'NC ,' ,pen) L_n __ _OOk,z t VRS01 )rPr208) I LE'_EL ] 2dB 5dB -_ f'dB _ 20 2OdB -15d£ -24¢JB (NORMS, L] !SdB -20 21dB 40- 50 + -0 ÷';0 ] o -lo OUT -_ -60" -70 REC PLAY FREQUENCY : 400H'z O_B:Z7§mV (ME 5dB TAL) (CHROME) (NORMAL) (METAL) (CHROME) (NORMAL) OUT LCAD ,B,Q i DISASSEMBLY INSTRUCTIONS (3) I Disconnect all lead connectors. C Mechanism W151 (7P) -- CN151 | 1. (1, How to Remove the Front Panel Remove top the four cover. remove (2_ screyvs, M_ve the Press rear side of the knob, window Handle open as shown the the three panel, the bottom the cassette and rise it Meter to and remove the window with care because (3 hooks (4) (5) circuit × 10 CBTS-P) top, and pull the unit forward Head wire _ CN302_ W131 on top the three to detach Volume Remove the Remove the Front | Audio circuit CN131 / -_CB121 and Volume board screws holding the Mecha at the Ass'y, left and (C). (2.6 × 6 CBTS(S)-Z) (3 Bracket. and right the can be removed I Knob retaining Hooks Esc. Front Ass'y on Knob four 10 CBTS(P)-B) the of the hooks (3P) _ 23PFFC Remove x (6) on the CN301 ! _t easily. screws two box in the figure• cassette can be scratched Remove the _ / board the eject Note: front to the in the it. cassette (3, cover wire ! (4 X 12. CBTS-P) top Head two of the hooks towards front on the face of bottom, the front. it MechenJsrn i-etain;ng Screw \ IBxO) Mechanism _'_ 1 _f ,." Mechc]nism ! i Screw retaining _(3x10 j- Screw Top cover / escutcheon A_s'y Knob Hooks at left and right C" of Frcnt Esc. Ass'y \ Cassette 3. bax How Remove panet the and take out 4. How (1) Remove to Remove four the Mechanisms Mechanism retaining screws 3 × 10 CB'[S(P)-B C Mechanism to Remove the top the Meter Circuit cover and the front esc ass'y (Refer panel. Board (Refer to section 1.) (2) (3) 2 hooks on the top of the front panet z [ Remove the front If you remove the five of the meter circuit meter board Note: circuit When that binding board, replacing floating, and loosening can be taken d:_s not the floating the switch to section screws(3 tact switch 2. How (1) Remove (2) Remove holding to Remove the top cover the three the Front the Front and front retaining Escutcheon Escutcheon panel. screws (Refer X 3 at the front. × Ass'y to Step 10 1 ) CBTS-(P)-B hooks, check to ma<e board oe in the on condition t of the front panel the five the circuit the set is assembled 3 hooks on the bottom 2) 8CBTS.Ptight) the off. ab3ve will x sure If it is when C)N-730R 7F Power circuit I Screw .(3x10) TBG supply b0crd \,\ Ccrew I',3X 8] ) circuit HO0_ Meier 5. How (1) Remove to Remove Hold Board the Cassette :the MfNI]Zf_l_PER"_etaining B and take (2) Circuit the out tl_ legs MINI of the pull up to remove Door screw _'-x 8 CBTS{P)- DAMPER CASSETTE BOX the CASSETTE BOX folded inwards and and BOX SPRING Note: Almost all of the cupt board bottom Only can cover when parts ,i __ twe step ¢smper --Box Front 6. How (1 } Remove top the Audio cover and the front Circuit Remove (3) Remove {1 _ Remove (2) Remove Board panel. (Refer from to section 1) (2) the power esc. ass'y. connectors supply circuit (Refer from the to section audio suppl,i circuit board procedu-es in their be check the in re_pec- assembled work in of each assembling the Power cover to Supply and the front oanel. that the Circuit (Refer to section (3) 2.) circuit When chicuit boa{d and the bushing is fixing power suppl_ cord the five tight) board can be removed screws that are x 1:3 CBTS.P holding (4 the power are removed, by raising the power tight;, (3 transformer supply circuit x 10 and board it. board. Side of the Power the to_ when the cannot Theretore, refer if each of the various properly sel you the chassis. CBTS-P the front the carefully How to Remove Board However, asserrbled cases. 7. the surfaceofFroqtAss'y to Remove the spring cir- above. follow order. are not should mentioned reassembling, position, some to the audio by removing on the rear side of the chassis method the reverse sc_ew_ repairs performed it is unavoidable the removal When servire be Side of the CN901 -- (7P) _ CN901 TBG audio circuit board CONNECTOR (4) Remove the screw (3 x 10 CBTS-P tight) (3 x 8 CBTS.S tight) that is holding down the 4P pin jack and circuit board. By removing holding arrows the two catches down the circuit shown below, (left and right) of the chassis board in the directions the audio circuit of the board can be pulled forward. Powe" circuit supp(y board board DN--730R ADJUSTING MECHANISM 1. AND CHECKING SECTION replacincl" o[ the pinch Most tl_e pinch roller causes roller roller Replacing the ERASE HI'AD (15) (1) Unscrew (2) By shaft. tape that press to remove replacing, transport center section the capsta'q again. contact surface (3) When be traced to dirty pinch the pinch C-90 roller tape s_'aft, allow Check and to check g when Replace the pinch roller slandard specification Force pull the for tape After (36) opto separating sure roller when pinch to contact weight starts it does the bracket the the spring roller at the replacement the screw Check within reads check be- conform to shaft secure the screws sure 6. Checking that sure the roller 7. type torque torque the cassette sure the 1) Remove 2) Remove RiP 250 -- 350 g the mech_,nical screw (1) Head and the record/playback soldered head unit to remove 8. (14) azimuth adjusting 9. head wire and disassemble the record:playback the head. the R,,P HEAD. the above the HEAD WIRE meter reading within is thi,_; range. If the voltage the torque is will be strong RE\_/ Torques (SONY indicates TW2231). Check to 90--180 g-cm at within Checking Tension type torque torque meter this the meter read_ Torque (SONY between During TW2i11): check 2 --6 during g-cm is no unevenness range, replace FF and tape the reel ass'y REW o: rewound this range, (5) or Washer. Times (DENOI'4 GR-2/60); is fast forwarded onds. if it is not within rheck check to make within sections 110 sec- 5 and 6. 1 procedures for removrng HEAD according (re('ordingiplayback to the diagram head) BROWN BLUE the R,"P Checking the Existence of a Cassette Housing and the Operation of the Erase Prevention, Metal and Chrome Switch Confirm tection to assemble ). HEAD. securing (1) from torque of th_ reel motor. meier meter and that there If it is not within the Record/Playback _e TW21:11 If it is not if it is high, Checking the Back Record/Playback sure the tape to remove 4V) be weak: Load a C-60 cassette How aver3ge the FFand the cassette playback Replacing ',SONY playback. (approx. will Torque meter the during the voltage the torque torque the end of FF and REW. i _._ type g-cm low, to make : the Take-up make 30-70 Load mechanism is completed, to the li " Solder the lock the cassette the caps- to rotate not Checking Load roller values. Pinch Reverse off curls 5. the pinch Capstan How taken pinch make (2) be pinch Load screw (53). can of the Pinch weight fl_e pinch to make 350 , screws W RES ____F--ZZ_-:±-J a. spring roller. twveen 250-- (1) holding HEAD unit. of the head. mo_d.e_hpok o; the t_n shaft tape head the it. run a padless playback mechanism with can Checking the Pressure Roller (36). In the the the erase unsoldering shaft. at the tape guide 2. clean the clips forward After roller, and the capstan of poor and capstan Remove from 4. ReplacincTthe Pinch Roller (36) Before the THE that holes the sensor arm on the cassette properl housin(.; !, detecting the tape type de- DN-730R ADJUSTING AND CHECKING _ELECTRICAL SECT] _ON............ • Caution on adjusting (1) Before adjusting, clean the head surface, pinch roller with a gauze or a cotton capsta_l ,_r_d the swab moistened with alcohol. (2) Demagnetize Checking and Adjusting the Tape Speed (1) Connect the frequency counter to the LINEOUT tern_inal and load test tape (SONY TY-224). (2) Playback a test tape. At about halfway through the tape, where the tape transport is stable, adjust the adjustment points (RT305) on the P.W. BOARD (222 2778 ***) so that the frequency counter will have a reading within the range of 3,000 Hz +6 Hz. Fig. 3-1 3. THE[ the R/P HEAD and the E. HEAD with a head (4) Adjusting the Playback and Recording Section Procedure Item 1 PLAYBACK A-BEX GAIN TCC- 130 P.B. A-BEX Frequency TCC-162B, REC/P.B. GR-2/60 Frequency 1 kHz, --40 dB 2 eraser. (3) , F Counter Completely demagnetize Unless instructed the adjustment otherwise, © set the various controls PB Amp as fol- 3 INPUT volume ............................................................. maximum Adjustment location Fig. 4-1 PLAYBACK RT-101 (L) Adjust the LINEOUT output to 775 mV RT-201 (R) (O dBs). Fig. 4-1 PLAYBACK Fig. 4-2 REC. PLAY Adjustment 0UT 3000 Hz +6Hz 4 REC GAIN conform to Figure4-2. _ RT-103 (L) Record 1 kHz and 10 kHz alternately. RT-203 (R) Adjust each volume so the 10 kHz PLAYBACK GR-2/60 Fig. 4-2 playback REC. PLAY 1 kHz, --30 dB SONY TY-224 5 Tape Transport Check REC/P.B. GR-2/60 Frequency Dolby NR C _ Fig. 4-3 output is 0.5 dB in relation to output. RT-108 (L) Adjust each volume to the playback output RT-208 (R) is the same as when the recording is output. REC. PLAY Make sure that the DOLBY NR C recording and playback characteristics PLAYBACK Figure 4-3. r" to make sure the tape edge does not come in contact with the ¢ tape guide section Playback The tape transport is the most important element in determining i _ i°: _ d i . [] ol,,_.___J ....... J Frequency Response | of a cassette deck. Avoid moving the various adjustment screws, nuts, etc., as much as possible Refer to the pages on "Adjusting and Checking the Mechanism Section" when replacing or adjusting the R/P HEAD ....... 2. Adjusting the Azimuth (1) After completing the tape transport check, load the test tape (A-BEX TCC-153). (2) Playback +r -4 - ! i! .... --_ _6 Fig. 2-1 Fig. 4-1 20 50 _oo 200 SO0 B is minimum. 2= _ 10k and section Fig. 2-2 Record/Playback -" _ "APE '' ,z Frequency J_ I Response [ _ t!! I ii ,"f..,. , I _._J_._l _[ -I. -2 L-€. 20_ {Mz) ] II ', ! ,-,,-" ---I .I 0 PO,'DOLBY NR / _ ,,_ Overall P (do) .6 .4 OSCILLOSCOPE _4_ Tape A.BEX TCC-262B/162B Fig, 3-1 ; / A-_EX I _ tk the test tape; adjust the azimuth screw so that section A of the resurge wave form is maximum i :ill I I illl ; ! ] I I i i 1 -- --4-------.I I, -4 ° _T TAPE| PB/DOLBY NR OUT -' - I ;;i',[ _ _ !_J_! 20 50 _L___L_L_ I' Fig. 4-2 _ ! l_ ioo 200 _00 k 2w 5_ Ta_ Dolby HD-TE_60 NR Level Dolby Fig. 2-1 C Record/Playback Overall Frequency Off -- 20 dB From Dolb¥ Level Response till .6_ __ _ 1 :I J --• .2---------+------i---_ IIII 90" 135" 180" -5--- I * -is _ i 20 Itlt 50 tOO 200 500 IK 2k 5k Tope OK NG Dolby Level Fig. 2-2 t0k 14k . 20k(z) HO-7E/60 NR On C -- 20 dB From Dolby Level Fig. 4-3 30" 1 O" 1 lIII -,--- I I ' -2 _--, -+---_ __-- °t .... ........ RESURGE WAVE monitor PLAYBACK _ In the operational mode, illu- minate the fixing guides of the R/P HEAD with a lamp and check the performance procedure Make sure the playback characteristics 262B the 1 kHz playback DOLBY NR switch ................................................................. OFF Load the transport check cassette Mode 10 kHz, --40 dB © TAPE SPEED volume ......................................... Center position 1. Response screwdriver. lows. © Usage tape -input condition conform to I _LJI',4-/L._UHII III I I II I I I I _ II EQUIPMENT FOR ADJUSTING AND CHECKING 1 ) MEASURING TYPE NAME TAPE ........ BRAND TYPE NAME, BRAND AND USES USES TW-2111A!2121A SONY Checking the Take-up Torque and Back Tension. TY-2231 GR-2/60 TCC-153 TY-224 SONY DENON A-BEX SONY Checking Checking Adjusting Checking Speed. the FF and REW Torque. the FF and REW Times. the Azimuth. and Adjusting the Tape TCC-130 TCC-162/262B A-BEX A-BEX Adjusting the Playback Level. Checking the Playback Frequency Response. TCC-902 A°BEX Transport checking cassette tape. NOTE FOR PARTS LIST ePart indicated with the mark " @ "are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. eWhen ordering of part, clearly indicate "1" and "r' (i) to avoid mis-supplying. eOrdering part without stating its part number can not be supplied. ePart indicated with the mark "*" 2) MEASURING INSTRUMENT Tension gauge Audio signal generator Variable resistance attenuator Electronic voltmeter Oscilloscope Frequency counter Adjustment screwdriver Trap coil adjustment square stick is not illustrated inthe exploded view. eNot including Carbon Film :!:5%, 1/4W Type in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.) WARNING: Parts marked with this symbol _ _1 have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. • Resistors Ex.: • Capacitors RN 14K 2E Type Shape Power Resist- Allowable Others 1 andper" formance 182 1 G ance FR error EX.: 2B 2E 1/SW : 1/4W F G : ±1% ±2% P NL : Pulse-resistanltype : Low noise type CE 2H : 1/2W I J ±5% NB : Non-burmng type CA RN RK RW : Metal film Metsl mixture Winding 3D 3F 3A 3H 2W 3W lW :: 5W M t20% F : Lead wire forming CS CO CK JK : ±10% FR Fuse-resistor Resistance 1 8 _t_ 1H Shape Dielectric Capacity Allowable Others 2 -- 1800 ohm -- 1.8 kohm "1--- Indicates number of zeros after effective 2-digit effective number. number CC CP CM CF CH Aluminum foil electro:ytlc : Aluminum solid electrolytic : Tantalrn electrolitic Film Ceramic Ceramic Oil Mica Melahzed Melalized • Units: ohm 1 R T 2 -[__. 2R2 and per- strength formance _ : Metal oxide film Carbon Composition 04W Type 1 RS RD RC CE M BP ___J error 1 OJ : 83V F ±1% HS : High stability type rA lOV G ±2% BP : Non-polar lC tE 1V : 16V 25V 35V J K M ±5% : :t10% ±20% HR OL HF IH 2A 2B 2C 2D 2E 2H 2J :50V 10OV 125V 160V 20OV 250V :500V 630V Z : +80% -20% +100% -0% U C W F : Ripple-resistanl type : For charge and discharge : For assuring high frequency : UL part : CSA part UL-CSA lype Lead wire foming P C O -- type ÷O 25pF ±05pF : Others 1.2 ohm 1-digit effective number. 2-digit effective number, decimal point indicated by R. * Capacity (except electrolyte) a Units: ohm L2 V Capacity (electrolyte 2 T 2 2 -- 22001tF t[__ Indicates number of zeros after effective number 2-digit effective number a Units: p.F. 2 R 2 -T -- • Units: p.F. 10 only) e Units: pF 2 T 2.2p.F 1-digit effective number. 2-digit effective number, decimal point indicated by R. (More than 2) -- - Indicates 2200p.pF 0.0022pF number of zeros after effective number 2-digit effective number 2 I -L(0 220PF or 1) -- Indicates number of zeros after effective number. 2-digit effective number e Units: PF. e When the dielectric strength is indicated in AC, "AC" is included after the dielectric strength value. III DN--73OR PARTS LIST OF GU-2778 AUDIO/METER Ref. No. Part" No. SEMICONDUCTORS l Part Name UNIT .[ Ref. No. Remarks RESISTORS GROUP (not IC301 262 0590 001 IC302 262 08__006. rC303 263 0720 IC304 263 g56'5 007_'1 IC BA15218 IC306 263 6711 IC307 included PartNo. _ Part Name ] Remarks GROUP Carbon _. Film _+5% 1/4 W type) TCUPC1330HA VRI01 211 6093 967 Adjust 47K ohm VO6PB473T VR 103 211 6093 9;'0 AdiJst lOOK ohm VO6PB104T V8!08 211 6093 954 Adjust 22K ohm VO6PB223T 000 _ IC M5218AP VR201 211 6093 967 Adjust 47K ohm VO6PB473T 263 0354 001 IC UPC1297CA V8203 211 6093 970 Adiust lOOK ohm VO6PB104T IC309 263 0565 007 IC BA15218 VR208 211 6093 954 Adjust 22K JCSOI 262 0447 009 IC BA6109U1 VR301 211 0707 000 Valiable lOOK ohm 16601 222 2045 001 _ Computer VR304 2tl 0835 008 Valiable 5K oh'n 100-3B9 VR305 211 6093 9!2 Ad ust 4.7K ohm VO6PB472T IC X246008 R101,102 247 0010 987 Chp27Kohm RM73B--273JT IC UPC45706 004/IC HA12170NT / IC602 262 IC901 263 0810 008 IC NJM7808FA(S) 8103 247 0005 947 IC902 263 0503 001 IC NJIV17908FA 8104 247 0010 974 Chip 24K IC903 263 0793 002 IC NJM7806FA(S} 8105 247 0014 912 Chip 620K IC964 263 IC NJM78LOSAT 8108 247 0014 967 Chip 1M in Resistor R_ 11 8i 12 247 0008 247 0009 !360 Chip 3.3K 943 I Chip 6.8K in Resistor 8118 247 0009 985 8120 247 0010 !329 j Chip 15K R132 247 0006 !362 ! Chip 470 ohm 8135 247 0007 '945 tC910, 911 1711 909 UPD78043GF- ohm 3432 907 268 0072 003 IC.Protector ICP-NIO 269 0074"9()7" l';:a_si_i_'r DTA114TS(10K)3" TR102 269 0102 Transistor DTC124EKT146 TR103 273 0245-900 Transistor 28C2603E/F 275 0048 I Built VO9V25FA10Z. V16_f251:BSO2MG 150 ohm RM73B--151JT ohm RM73B-243JT ohm ohm RM73B..-624JT , RM73B--105_,T ohm ohm RM73B--332JT RM73B--682JT J i TR101 ' Chp VO6PB223T (INPUT) 905 Built I CYip 1OK ()bit RM73B-103JT / TR104 T ohrr i RM73B-153JT 912 Transistor 2SK381(B)/(C)-T 269 00:88 906 Transistor DTC114TKT96 Built in Resistor TR111-113 269 0088 906 Transistor DTC114TKT96 Built in Resistor 8140 247 0011 986 Chip 68K TR114, 269 0!02 905 Transistor DTC124EKT146. Built in Resistor i R141 247 0011 944 Chip47Konm TR201 269 0074 907 Transistor DTA114TS(10K) Built in Resistor ! R142 247 0012 927 TR202 269 0102 905 Transistor DTC124EKT146 Built in Resistor i 8143 247 0010 929 ! Chip 15K ohm RM73B-153JT TR203 273 0245 900 Transstor 2SC2603E/FT ', 8144 247 0011 902 i Chip 33K ohm RM73B--333JT TR204 275 0048 912 Transistor 2SK381(B)/(C)-T ! 8!45 247 0005906 Chip 100 ohm RM73B--lO1JT 269 0088 906 Transistor DTC114TKT96 Built in Resistor i 8150 , 247 0012 969 I Cqip T8211-213 269 0(!88 906 Transistor DTC114TKT96 Built in Resistor i 8151 _ 247 0010 929 Cqip TR_307 26 c 0040 902 Transistor DTC144ES(47K-47K) Built in Resistor TR308 272 0025 907 Transistor 2SB562(C)TF 273 0245 900 Transistor 2SC2603E/F TRI08, 109 115 TR208, 209 TR309, 310 T8370 269 0018 905 Transistor T BTC143ES(g.7K-47K} :4i56 / I Bui{t {n Resistor := , ....... , I "247 0005 905 ! Cf ip 1K ohm ohm ] RM738 I RM73B--683JT RM73B-473JT Chip lOOK ohm ' -471JT [' RM73B-.-lO2JT 150K RM73Eb-lO4JT ohm RM73B-154JT 15Kohm RM73B--153JT Chipl00'ohri RM73B-101JT 0160 247 0010 961 Chip 22K ohm RM73B--223JT i TR371 269 0022 904 Transistor OTA143ES(4.7K-4.7K){ Buiff in Resistor R161 247 0012 927 Chip lOOKohm RM73_--104JT T8507 269 0062 906 Transistor OTC124ES(22K-22K) Built in Resistor R162 247 0010 961 Chip 22K ohm RM73B-223JT TR508 269 0!316 907 Transistor OTA144WS(47K-22K} I Built in Resistor R163 247 0006, 988 ! Chip 560 ohm TR515 T8552, 26!} 0318 905 26!) 0391 906 Transist0" Transistor 0TO143ES[4 7K-4.7K} I Built DTC143TKT96 ' Built in Resistor in Resistor R164 247 0006 975 Chip 510 ohm 8175 247 0014 967 Chip !Mchrq [RM73B--105JT TR554_556 274 0036 905 Transistor :_177 247 0007 974 i (:hip 13K o_m I RM79B--132JT TF557 26) Transis_orDTC124XS(22K-47K) Built in Resistor 8178 242 0009 914 '_(;hip 5.1K ohm ] RM72B--512JT TF,558 263 0082 902 i Transistor DTC114EKT96 Built in Resistor 3189 247 0009 901 ! (.'hip 4.7K ohm i RM788- T8559 269 C054 901 Transistor DTC144EKT96 Built in Resistor =;181 247 0008 902 : (.'hip 1,8K ohm i RM73B--182JT R189 242 0017906 ("hip lOMohm ! Built ;n Resistor R199 247 0010 974 (;hip24K 8201,202 247 0010987 Chip27Kohm RM73B--561JT 1 553 TR560, 472JT Transistor 2SA933(R/S)T93 269 C122 901 i Transislor DTC144WKT146 TR904 272 0025 907 _Transistor 2SB662IC)TF DI55 276 0432 903 i Diode 188270A TE 8203 247 0005 947 i Chip 150 ohm ! RM73B- 1EIJT 0255 276 0432 903 i Diode 188270A TE 8204 247 0010 974 !Chip 24K ot'm l: RM73B- 2:3JT 2_6 (1432 903 I Dioce 18S270A TE R205 247 0014 912 I Chip 620K 316 271 0183 92-7 2SD468(C}TF TRT01 D3i5, 561 0015 908 RM73B-51}JT RM73B-243JT IIRM73B--273JT ohn- 276 0432 903 Diode ISS270ATE 8208 247 0014 967 0503 276 0553 905 ! Diode 18R35 8212 247 0009 943 ) Ct]ip 6.8K ohm ' RM73B--682JT 276 0432 903 0553 905 ! Diode r I Diode lSS270A 2/6 1SR35-200A(T93X) R218 8220 247 0009 985 247 0010 929 ) Chio Chip 1OK ohm 15Kohm I RM73B -103JT RM73B-153JT 276 0432 903 Diode 188270A TE 8229 247 0009 956 iChip 75K I 276 0432 903 ij Diode 1 SS270A TE R232 247 0066 962 [ Chip 470 ohm I RM73B-752JT RM73B- 471JT 0901-904 2!6,3553 905 i Diode 1SR35-200A(T93X) R235 247 0007 945 [Chip 1K oh'n RM73B--102JT D910,911 276 0553 905 Diode 1SR35-200A(T93X) 8240 247 0011 986 Chip C915, 276 0553 905 Diode 1SR35-200A(T93X) 8241 247 0011 944 Chip 47K 276 0468 276 0468 906 Zener 906 / Zener R242 247 0012 927 ] Chip lOOK 3hrq 8243 247 00" 0 929 i Chip 15K ohm RM73B--153JT 8244 247 0011 902 Chip 33K ohm RM73B--333JT RM73B--lO1JT 0517, 518 0553 0554 TE ohm i RM73B--624JT D320 200A(T93X) Chip 1M RM73B--lOSKT ohm ohm IRM73B-lOSJT J D601, 602 i ZD304, ZD410 916 305 Diode Diode HZS9B-1TD HZS9B-1TD ZD531 276 0468 906 Zener Diode HZS9B-1TD 2D551 276 0457 904 ZD552 276 0465 2'.D907 210912 ZD913 68K oqr'P ohm Zener Diode HZS4C-1TD R245 247 0005 905 Chip 100 ohm 909 I Zener / 276 0463 901 Zener Diode HZS7B-1TD 8250 247 00'12 969 Chip 150K Diode HZS6C-1TD R251 247 00!0 276 0482 908 Zener 276 0472 905 _Zener ± Diode HZS27-1TD D ode HZS11C-1TD 929 i Chip ohm 15K chrr RM73B -6_3JT RM73B-473JT ' RM73B÷-IO4JT RM73B--154JT RM73B--153JT 11 mBIDN-730R T Ref. No. i - Part No. Remarks Part Name Ref. No. CAPACITORS R253 247 0009 Chip 1OK ohm R256 247 0005 905 1 Chip 100 ohm 24t 73014 987 / Chip 1M ohm R257 R260 985 "247 0010"961 R281 247 0012 R262 R263 ' R280 R289 R299 / Chip Chip 22K ohm Chip 560 ohm 961 247 0006 988 247 0008 944 Chip 2.7K ohm 247 0017 906 Chip IOM R301 Chip Chip 24K ohm 22K ohm R321 247 0010 945 ! Chip 18K ohm R330 247 0009 985 Chip 1OK ohm R331 247 0009 R332 241 0007 987 I Chip 1.5K ohm 247 0007 I Chip 1.2K ohm I Chip 4.7K R336, 337 247 0008 R36_ 361 247 0012 943 957:- {-Chip-3K I Chip 247-0009 ! Chip 4.7K RM73B--561JT RM73B--272JT RM738--106KT ohm 974 961 961 RM73B--223JT RM73B--223JT 247 0010 247 0010 R334 RM73B--105JT RM73£--lO4JT 247 0010 901 RM73B--lO1JT lOOK ohm 927 J Chip RM73B--243JT ! RM73B--223JT RM73B--103JT RM73B- 472JT i RM73B--152JT I I RM738--122JT ! RM73B302JT I I RM73B-124JT ohm ohm R36 901 247 0009 985 Chip 37t 247 0001 983 i Chip 4.7 R401, 402 2470012943 i Chip 120K ohm lOOK ohm 220 ohm i 247 0012 927 2z.7 0005 989 I Cqip ] Chip R405 i 2z.7 0004 922 I Chip 47 ohm 2z7 0012 927 i I Chip I 100K R406 R501-506 R507 i 2470012927 247 0011 944 , Chip . Chip lOOK ohm 47K ohm 247 0015 940 Chip ohm 2.2M 257 0O09 979 996 C109 257 O0O9 937 C127 257 0005 C142 257 0005 944 C150 257 0008 996 C151 257 0910 900 Chip (Ceramic) Chip (Ceramic) 0.0012 pF/50 V 0.01 IaF/50 V C152 257 0004 961 Chip c) 100 DF/50 C153 253 C154 257 0011 967 C155 257 0,310 942 Chip (Ceramic) 0.022 BF/50 V i CK7381H223KT C201 257 0008 996 Chip (Ceralnic] 0.0012 gF/50 V I CC:73SL1H122JT C203 257 0009 979 Chip (Cerami< 0.0C56 gF/50 V } CK7381H562KT 0.0C27 pF/50 V ! CI< 7381 q272KT Chip (Ceramicl , CC73SL" H122JT CK7381H562KT Chip (Ceramic) 0.0027 gF/50 V CK73B1H272KT Chip (Cer_m c) 150pF/50V CC73SL'IH151JT ; Chip i (Ceram c) 220 pFi50 V I CC73SL1H221JT 902 1131 909 (Ceram Ceramic 390 pF/500 Chip lCeramiC) 0033 CK73Bl14122KT , CK73B114103KT V _CC73SLIH101JT V CK45B214391KT _F/25 V i CK73B11-333KT C209 i 257 0009 937 Chip (Cera'qic' C227 i 257 0005 902 Chip {Ceramic} 150pF/50V CC73SL1H151JT C242 i 257 0005 944 I Chip ICerarnic) 220 pF/50 V._ CC73SL1H151JT C250 ! 257 0008 996 i Chip(Cera_< C251 257 0010 90C 267 0004 961 C253 Chip ,Chip C2.54 00[,12,uF!50V ICK73B1H122KT {Cerarnic) 0.01 uF/50 :Ceramic) 100 pF/50V Ceramic [ 253 1131 90 c, ! 257 0011 967 39(: pFi500 V I CK73B1HIO3KT CC73SL1H101JT V CI<45B2H391KT Chip (Ceramic_ 0 033 uF!25 V CK7381E333KT 257 0010 C350 i 257 0013 907 Chip (Ceramic) 00,17 pF/50 V CI<73B1H473ZT I RM73B_-lO4JT C352 257 0002 921 Chip CC73SLIH100DT I Rlv173B--221JT C353 257 0009 940 ! RM73B--470JT , RM738--104JT C354 257 0009 94(} C355 257 0010 90(} 124JT RM73B--104JT C356 ! 257 0009 94,1' I Cmp (Cerami(:_ 0.022 gF/50 V (Ceran'ic) 10 pF!50 V .Chip(Ceramic100033#Ft50V Chip(Ceramir) Chip !CY73B1H332KT 00033![F/50V (Ceran" ic) 0.01 C1<7381H223KT ICF73B1H332KT !LF/50 V iC1',7381, H103KT 995 Chip(Ceramir) C402 i 257 0002 92_ Chip(Ce-ar',ic) C403 I 257 0014 935 Chip(Ce-amic}C.1 pF/50V [ 257 0008 98.'} Chip (Ceramic) 0001 pFiSO V CK73B1H102KT 257 0008 983 Chip {Ce_mh:} 0.001 ,uF/50 V ! CC7381HlO2KT i RM73B-473JT ohm 0.0012 p.F/50 V Ch_p (Ceramic_ 0.0056 gF/50V C255 ,_RM73B- ohm R403 R404 257 0008 C103 C252 472JT i RM73B-.103JT i i RM73B4R7KT lOKohm R37[ _ R508 RM73B- ohm Remarks i I RDi482E220GFRST R364 Part Name C101 ! RM73B--!83JT ohm 120K _ GROUP i RM73B--lO3JT 22K ohm Part No. .[ 0.0082#F/50V !CK73B1H822KT i RM73B--225JT 10pF/50V iCC73SL1HlOODT ICK73F1ElO4ZT I R510. 511 247 0011 944 R513, 514 ii 247 0012 927 Chip 47K I Chip R516 i 247 0018 R518 ,i 2:17 0009 985 ] Chip 1OK ohm i 2,;7 0009 985 I Chip lOK ohm 2,;7 0009 985 Chip 1OK ohm R520, 521 R540 R556 905 ohm ChipOohm 2,;7 0010 961 R557 247 0009 985 Chip :' Chip R558 2,;7 0010 961 Chip R559 2,;7 0009 985 ! Chip R560 247 0007 945 RM738--473JT RM73B-104JT tOOK ohm [ Chip i RM73Bi RM73BRM73B- 103JT C506 C507 RM73B- IOK ohm RM736, l 223JT RM73B 1K ohm 2¢4 2055 970 Metal oxide film 56 oqm l W 2470007987 Chip R571 247 0018 905 R573 247 0009 956 R574 247 0009 985 R577--580 247 0012 927 (,hip i ! (:hip i (:hip 103JT (Fusible) RD14B2ElOOGFRST RM73B OROKT RM73B 752JT : 247 0012 927 (:hip lOOKohm 247 0010916 ('hip 13Kohm R603, 604 247 0007 945 [ (,hip 1K ohm R605,606 247 0012 927 R610, 611 2470007945 i Chip 1K ohm R612 247 0007 945 i (:hip Chip lOOKohm 1K ohm 1OK ohm RM73B I: 983 ! 257 0008 983 257 0013 910 552 25/ 0010 900 ' 257 0011 941 C554 25; 0010 900 C555 254 4403 C60! -603 257 0008 983 C604 257 713 RM73B- T013 977 C902, 903 i 254 4,403 718 C906, 907 257 13013 910 104JT RM73B-tlO2JT [ RM73B- 104JT V CK73B1 H102KT CK7381 HIO2KT ! Cqip (Cerami(i i RM738_ • 102JT !RM73B--103JT 247 0005 947 _(2hip 150 ohm RM73B--151JT R652 247 0005 963 i (Chip 180 ohm RM73B-181JT Chip (Cerami() 001 I Electroh/tic 1000 C<738 V Chip .[:er;{mh:) 0,001 HFi50 V 0.068 uFi50 V [ Electrol,,tic 10011 pF/25 i Chip [Cer)mi,;) : CK73B1HlO2KT Electrol,,'tic 2200 pFi25 i Electrol;'tic 4700 gF/6.3 C911 257 9013 910 C913 2%; 4414 C918 257 0913 910 Chip (Ceramc) 0.068 uF!50 V CK73B R126 257 0008 983 I C'fip (Cerami:) 0001 !_F,'50 V CK73BlH102KT R169 257 0008 967 [Chip R226 251 0008 983 707 : Chip (Ceram:;) Electrolvtic R269 I 232 0109 003 I 235 0020 945 MPX Filter Inductor 1E3JT Inductor 8,12JT HX up col R662 `1'47 0005 963 (Chip 180 ohm RM73B--181JT L201 232 0109 0(}3 MPX Step Filter R664 ,i!47 0006 917 Chip 300 ohm RM73B-301JT L203 235 0020 945 Inducto" 153JT R666 R670 2.47 0006 956 247 0005 947 Chip 430 ohm Ch p 150 ohm / RM73B-431JT L204 235 0020 9!6 Inducto- 82.2JT RM73B--151JT L205 239 0010 009 HX Step up coil R672 247 0005 963 RM73B-181JT L301 23! OSC ! RM73B--301JT [ RM73B- 431JT . ] H683ZT C[ 04W1 H471MC SMQ, 580 DFi50V ! H683ZT CK73B1H681KT PARTS 239 0010 009 430 ohm CK73B V ! [hid (Ceramic) 0 001 pF/50 V CK73B1HlO2KT i . . 25? 00_08 9€7 iChlp ,C_,rarn,c) 680 pF!50 V _CK73BIH681KT L103 L101 tCerarnic) 0078 005 Coil SMG C-04WOJ472MC _SMC! V 0268 ,uF/50 V 470 uF/50 235 0020 916 300 ohm C:04W1E222MC V SMG 1H683ZT 796 OTHER I CK73B 721 L105 I Chip C!i04W1EIO2MC 254 4250 L104 180 ohm CK73B t H683KT V 254 4403 (Chip 150 ohm Chip H1 03KT CEO4WI _102MC SMG 0068 [LFi50 V ('_.hip 300 ohm 12 pF/25 i C_ip :Cer;imi<} 2,:47 0005 947 LChip C <738" E223KT i Chip _Cer !'nil:) 0 01 t[Fi50 V 2_47 0006 917 247 0006 959 C <73B" HIO3KT HF/50 V ! Chia iCeram;(:) 0 022 FF/25 V R654 247 0006 917 C:<73B_ H683ZT 0058 !tFi50 V R660 R676 [IF/50 C910 i RM73B--102JT 247 0009 985 R674 i CK73B1H102KT LtF/50 V! CK73B1H103KT Chip (Cer_Lmk) 0 001 _[FiSO V Chip (Cer_£rli:) 0 001 i ! RM73B--133JT R613 i [aF/50 V 0.01 C908 103JT RM73B-lO4JT R650 I i 257 0008 516 -103JT RM73B- R602 IChip RS14BSA560JSTISb 7.5K ohm R581 513 C515, C551, 102JT 0 ohm 1OK ohm C512, <Ceramic) i RM75B.-152JT 1.SKohm (::hip lOOK ohm Chip : RM73B,-103JT ohm Caibo_ Flim 10 _hm 1i4w _Chip 10K ohm 900 C553 R562 } 241 _3_'59i2 24.7 0009 985 Chp (termini,:) 0001 257 0010 Rl'v173 B 223JT 22Kohm R561 .... 565 983 510 C517 I ,'_& R563 R564, 257 0008 C509, ! RM73B--103JT 22 ohm IOK OROKT 103JT C501 _504 T .... IDN-730R PARTS LIST OF 3U-2603 Re1. No. i XT501 SW610, PL601 art" No. Part Name 399 0107 007 393 8002 009 : Ceramic Ref. No. Remarks Oscillator _FL Tube 614, 616, I 620, 622, i 624, 628, 626, 630, 632, 634, Tac! Part No. UNI'I" Part Name CTS4.19MGW SW901 FIP6BGM6 CN191 205 0711 075 7F' TBG CN901 205 058t 001 2P VH Conne;tor 612,' 212 5604_910 POWER SUPPLY 212 0286,303 ', Power Remarks Switch Connector Base Base For AC Corc Switch 636, 638, JK301 I 204 8261 003 , 4P Pin Jack JK302 : 204 8264 026 ) Head j 204 8416 ! 205 0880 007 003 ,IMini Jack '_23P FFC Connector Base I 6P Connector : 3P Connector Base Base (KR-PH) (KR-PH) 4PConnector Base JK303 CNI21 CN122 i 205 02;43 061 J 205 02143 032 CN131 049 i LINE IN, OUT phone Jack HEAD CN141 205 0343 CN191 205 0711 075 , 7P TBG CN301 205 0343.05& LB_coonector CN302 205 02_43 Q32 ! 3P Ccnnector W122 204 0265"_78 _ 6P KR-DA Connector Cord W131 203 4753046 i 3P KR-DA Connector Cord W141 203 6374 025 4P KF',-DA Connector Cord Wl51 204 2326 009 Connector Cord Connector PHONE i CD SYNCRO. i i (KRPH) WARNING: Base • Base (KR-PH)_ Base (KR PH) Parts marked to safety, with i and/or shading have special characteristics important i' I ! 7P KR-DA t W,_51 208 6;!36 066 ! 4P KR-DA Connector Cord W_52 203 8:!16 042 I BP KR-DA Connector Cord WARNING: • Paris marked with 'i" and/or shading have special characteristics important to safety. Be sure to use the specified parts for replacement. 13 m E)N--730R PARTS LIST OF EXPLODED VIEW Ref. No. " Part No. Part Name Remarks WARNING: • Hi 1 411 411 i_ 2 1000 652 i CHASSIS i 1000 681j CHASSIS 41 l. 1000 665 ! CHASSIS 412 _'523 115 EARTH Europe, U.S.A., Parts 3 105 4 3:38 0168 0787"107 Canada Be sure Multi-Voltage • 9 412 11 414 0637 period refused. MECHANISM BUSHING 009 PLATE SHIELD LABEL 12 104 0208:2.1:42 •FOOT 13 GU 27,38 #UDI0/METEB 13-1 ASS'Y P.W.B AUDIO P.W.B. METER P.W.B. UNIT 13-2 -- 133 -- 134 -- 14 3U-2603 15 205 0712 074 7P TBG-S 16 204 8261 003 4P PIN JACK 18 211 0707 000 VARIABLE 19 412 3951 003 21 211 0835 008 VARIABLE 22 204 8264 026 HEAD 23 393 8002 009 FL TUBE 25 4:31 03t0 046 POWER 26 1!3 27 113 1436 393 28 113 1480 255 ! PUSH 29 113 1438 045 ] EJECT 30 112 0515 173 VOLUME KNOB 31 112 0727 042 VOLUME KNOB 32 1,33 1650 101 FR(]NT ESCUTCHEON ASS'Y ,:TK;, 33 1_3 0765 215 METER WINDOW 34 134 2309 216 FRONT PANEL 35 133 1511 318 CASSETTE BOX 36 4,53 0655 009 CASSETTE SPRING I H/P JACK VARI P.W.B PITCH P.W.B. POWERTRANS PWB. UNIT CONNECTOR RESISTOR lOOK RESISTOR 5K PHONE PUSH (FIP6BGM6) SWITCH KNOB FUNCTION (FL601) LEVER (B) KEY KNOB (A) KNOB (C) I 37 463 38 1,33 1660 007 39 421 9007 007 MINI 40 414 0595 015 j [ARTH 41 203 2279 014 2C TERMINAL 45 1,32 0434 419 TOP 46 473 8047 001 SPECIAL 47 412 3676 207 EJECT LEVER 48 412 3628 006 LEVER STAY 49 463 8238 004 SPRING 50 412 3677 015 i MOUNT 51 445 8028 BOX SPRING (R) I o 14 009 CASSE_FE WINDOW (A} ASS"/ DAMPER PLATE WIRE COVER CORD SCREW tB) BRACKET HOLDER 53 513 2150 001 I WARNING SHEET 54 412 3942 I VOLUME BRACKET 101 473 102 477 0262 103 473 104 473 7509 105 473 7500 106 413 !07 473 7007 039 4 x 20 CBTS(SFB 108 47t 013 2 x 009 7508 017 006 7502 013 3 x 10 CBTS(P)-B SPECIAL SCREW 4 × 10 CBTS(P)-Z 058 4 x 12 CBTS(P)-B 044 3 x 8 CBTS(P}-B 7002 018 3 x 8 CBTS(S)-Z 3102 5 CBS-Z V1620V35FAS02 tMGI JACK ASS'Y 0659 018 (JK3011 :V0920V25FA104 I REFLECTOR 1481 364 to use the Part indicated COVER CASSE]-FE 2OO8 012 _ and!or shadirg I-ave special characteristics important with specified the mark parts _ for replacement. are not always in stock and possibly to take a BRACKET BOTTOM 009 with to safety. long o5 marked U.K. 3T of time for supplying, or in some case supplying of part may be DN-730R _ 4 EXPLODED 6 VIEW A C D 0 WARNING: Parts marked with this symbol /_ _ have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. B 15 _DN-730R 4 EXPLODED VIEW OF CASSETTE A D • 16 \ MECHANISM DN-73OR_ PARTS LIST OF CASSEI-[E MECHANISM EXPLODED VIEW Ref. No. Part No. Part Name Remarks PARTS LIST OF PACKING Part No, 1 505 8092 007 503 1079 005 LAMINATE ENVELOPE CUSHION 501 1698 037 601 1853 005 CARTON CASE CARTON CASE 505 0038 030 POLY COVER 1 511 2682 007 INST. MANUAL (5) t 399 0250 006 1 203 2360 004 REMOTE UNIT (RC-41) 2P PIN CORD 203 4880 003 3P MINI PLUG CORD 515 0692 004 DEL WARRANTY COM U.S.A. Only 1 502 0852 000 PAD ASS'Y U.K. Only 1 9DF 5170 49 IDLER 3 3 9DF 5642 85 REEL MOTOR 4 4 9DF 6121 51 CHASSIS BASE 5 9DF 6230 37 REEL BASE 6 9DF G156 11A SCREW 2.6 × 6.4 ZN 7 9DF J111 17 WASHER 1.7 x 0.25T 8 9DU J12V 11 POLY WASHER 2.1 × 0.25T 10 9DF C52E 47 HEAD BASE 11 9DF K26N 14 HB SPRING 12 9DF D45T 17 HEAD SPACER 13 14 9DF U192 11 ERASE HEAD R/P HEAD 16 =', 17 18 9DF U18K 12 9DF K21U 11 9DF 5252 56 9DF 5673 52 9DA W13G 00 SPRING MAIN MOTOR CONTROL P.W.B. Ass'y REEL SENSOR (GP2S04B) PUSH SWITCH 19 9DU E16E 11 20 9DF C39S 33 EJECT PROTECT ARM 21 9DF C52H 12 CASS E'I-FESPRING 24 9DF D45G 21 PLAY ARM 25 9DF D45B 16 CAM GEAR (3R) 26 9DF D44T 14 REC. SENSOR LEVER 27 9DF D44Y 12 PACK SENSOR LEVER 28 9DF D44V 12 METAL SENSOR LEVER 29 3O 9DF F17W 31 9DF Jt 11 30 MAIN BELT POLY WASHER 2.6 x 0.25T 31 9DF J111 14 POLY WASHER 2.6 X 0.5T 32 9DF K28M 12 EJECT PROTECT SPRING 33 9DF K28R 11 SLIDE SPRING 34 9DF R22H 11 FLYWHEEL Ass'y 36 9DF R20L 22 38 9DF Gl14 14 PINCH ROLLER Ass'y (R) SCREW 2.6 x 5 ZN 39 9DF G15S 11A 40 9DU G13U 15 41 9DU G206 11 WAVE SCREW 3 x 8 ZN 42 9DF 7652 63 SOLENOID 43 44 9DF L39H 12A IRON CORE 5! 9DF L39K 12 9DW H63P 05 52 53 9DW H55L 05A 9DF G137 18 PLUNGER ERASE HEAD CORD R/P HEAD CORD 2 x 9F LOCK SCREW 54 9OF F17C 12 HOLDER CUSHION 5 6 7 8 9 10 11 Part Name [ PACKING & ACCESSORIES _ Ref. No. 2 15 & ACCESSORIES Remarks FOR SET Q'ty 1 2 1 U.K, 1 2 1 5020852000 PAD ASS'Y (U.K.ModetOnty) WARNING: • Parts marked with /_ and/or shading have special characteristics important to safety. Be sure to use the specified parts for replacement. 5031079005 2034880005 3P MINIPLUG CORD 2032560004 PiN CORD(2PCS) 5050038030 POLY COVER SCREW WITH STEP (7,7) E RING 5058092007 LAMINATE ENVELOPE 5011698037 CARTON CASE /_(Cu,_O11853005 RTON CASE .ModetOnty) 3990250006 REMOTE UNIT(RC-41) 5150692004 DEL WARRNTY COM. (U.S.A. ,CANADA Mode I. Onty) 17 _I UN-73ON 4 Lp.w. BOARD OF GU-2778 AUDIO/METER UNIT A _I ,°.°° I B E i 18 .. I ON-73ORH i "P.W. BOARD OF 3U-2603 POWER SUPPLY UNIT I DENON 3U-2605 2222603005 JV" 4vJV2 JV_ JV4 e,-- JV5 SW901 POWER SWJ'[CH JV6 JV7 T901 =OWER _[RANSFORMER 1 ÷ CN191 r. JV904 E 1 (240V) oH ->v _r Jvg03 EU.EC.EA.EK SW902 VOLTAGE SELEC-OR I w 0 I 0 "_° l I 0 Remarks 1. The following table shows the power circuit parts used for the 3U-2603 board by area. 2. Parts used are marked O, ]:)artsnot used --. F : Ref.No. i Areas I Europe Power Trans Voltage part No. Selector FUSE F901 2335985005 U.K. (EK) U.S.A. (El) & Canada 23:35760000 (E3) 2335758009 JV903 JV904 JV905 i I ! (E2) Multi.Voltage JV901 O I O oo t_ 19 _ E)N-730R SEMICONDUCTORS • IC 1 -- 5 3 GND 2 INPUT ! OUTPUT I --,,,j---- 32 vST[Z • NclT 0 -, E_ ,,_ _'cc 8'-_ Bou, VCC NC VRI V IN(R) NJM7908 vR2 I I_ X24C00S NcIT ----ISCL PH2 PHI_ CIN1E VSS E 5-_ SDA 3 INPUT C OU _r 1 [_ • M15218AP • pPC4570C • TL4558 2 GND v OUT I! _2_]V 01. f 21 I OUTPUT V OUT • X24('00S 12_ SN° _V O,. T 22 _] V Irl(0) 3 2 • ,uPC 1297CA • NJM7808 • NJM7806 vcc PS tu PB BA_ _t£F C/8/O_F _. OLP" FT: ,_R LN p_ OUT $SI $52 ¢c_ • LLS D_I" R£¢ O,J't #PC1330HA ,I, HA12170NT 20 _ .... - DN-730RI [_BUNDLE DIAGRAM • j I ransistors S (Source) G (Gate) D (Dra,n) .J I0 B E I _NuJT E • • 2SA933 2SC2603 • 2SC1740 • • • 2SK381 2SB562 2SD468 v OUT 1 E vzt_" v_ r; FIN E (3) (B) (2) Ri (C) RIN E (2) (3) (B) (2) (3) Ri O _ {B) R2f VCC 1 E (1) I _(E) (1) l _(E) (1) L----O( E ) VCC2 O VZ2 v OUT2 r_ • BA6109U1 1: Emitter 2: Collector 3: Base • DTA143ES • DTC124ES • DTA144WS • • DTC124XS DTC143ES • DTC144ES (2) R, (3) _----t--I_ -°(c) (BI R_¢ l (_) • (2) R, c ":: _8, DTC114TS (3) K2-°_c) I / _---_--O(E) (') L--O(E) 1: Emitter • DTA114EK • DTC114TK 2: Base • DTA124EK • DTC143TK 3: Collector • Diodes 64 40 65 (2) (3) RI (B) @__o (C) R2_ I IC2ZI2Z t4 r--.,r-rI O ==zx= L_ 80 25 j-q • ISS270A • HZS4C-1 • HZS11C-1 • DTCI44WK • ISR35-200A • HZS6C-1 • HZS27-1 • DTC144EK • HZS6B-3 • HZS7B-2 • DTC124EK • HZS9B-2 iHH HHHHHHUHHHUHHUHHHHHHH2 • m • HZS6C-2 • HZS9B-1 UPD78043 (p COM) 21 /DN-730R L WIRING DIAGRAM ; LINE IN LINE OU_ JK301 GU-2778-3 g ..j g _ _ 5 HEADPHONE or- CN301 REC/PB Lch HEAD _,_q.._ REC/PB Rch HEAD .._.._ CN131 PHONES JACK GND Lch Rch I +B P.W.B W131 ...,..._/% n REMOTE REMOTE II CONTROL II JACK GND GU-2778-4 VARI PITCH JK303 P.W.B CN141 HEAD GU-2778-1 AUDIO P.W.B SPEED C SPEED D _141 /-"! GNO MOTOR W151 REEL MOTOR REEL (REW) T901 POWER TRANSFORMER REEL (FF) SOLENOID (-) CN191 CAPSTAN (-) --0 CONNECTOR + 12V ;N191 SPEED-A CAPSTAN MOTOR SPEED-B AC IN CASSETTE MECHANISM UNIT CN121-1 POWER TK SENSE SP SENSE CN251 CN121-2 SP-PULSE ÷ 5V GND TK-PULSE COMMON CHROME CHROME PACK PACK REC REC METAL METAL W252 22 CN252 GU-2778-£ CONTROL P.W.B SUPPLY P.W.B DN-730RI SCHEMATIC DIAGRAM j _VR30 e LiO_ MpXIF ILTER ,o/5o Ct22 • 7/35 _i4o 2SK3_I[B/C] C307 I _.O/1G IC 30_ = M5218AP ioo R145 301 I -'m ''e°K' INPUT R133 JOmper RiS9 tOM Jumper R233 tOM R28g R144 33K R244 33K I V_q 4P--PIN--JACK Rch REC/PB HEAD R245 I00 28K38t[B/C] I0303 0303 HAI2i7ONT L Ri99 w Dgot, ogio, Rch g02,903,904, 9_i,9i5,9i6, ACK ItSR35-2OOA CNl3i D517,5i8,905.906 Wi31 _'3_1_77B J304 ::j= TRIDS, 20B, _ PHONE I09,209 :DTCZi4TS 10/25 C_65 15K -- R299 24K 24K ., 4. IC902 7/35 C222 t0/50 L _ 03 iSmH Z0304. I ZD305 o\ MO U R_77 t. 3OK 3K O, 082 IK R372 t5mH L203 1C307 DTC,43ES 4. 7/35 uPCI297CA DO 130 o $o _250 t50K I LOS C251 O, Oi I:0904 O LL 12K STOP PAUSI REMOCON 300 ;;- 430 ;%; 6190 ,,, hhhh - PLAY BOX - FF - REW REC SCHEMATZC REMOTE CONTROL JACK JK303 MINIJACK s 1SS270A CASSETTE MECHANZSM UNZT l IO[FR] oor_mcn R335 ITR559 ipJumper Iq3361=1337 OTCIt4EK TR558, DTCi44EK 2200/_5 t>' SOL--K _EEL--R S la2 277B--4 M25_ _EEL--F ICSOi X_ D--GND 0,00_ uPD78042 O,OOl 0,001 TK--PLS 0,001 0504 5V 5V REC A/D--L A/D--R PAC CHROME META l COMMO F L60 i FIP6BGM6 I - i R654 ;;; Re52 _00 S_6_ 2 F_EW RGG2 •If ISO S_6_4 _ ,11 RGG4 £4 RSiO R612 _ IK 300 REC '----n 1K R6111K 300 T--SIZE .1 RG72 2 180 PAUSE ,ii R674 4 300 PLAY Note: • Resistance shall the unit is ohm. b# 1/4 W unless • The unit of capacitor fied. • This circuit diagram otherwise is IJF, P is pF unless shows replacement otherwise the basic circuit. change for the purpose of improvement. Parts marked with this symbol Z_ _ have critical Use ONLY specified parts recommended and speci- It is subject to characteristics. by the manufacturer• 23 DN-730RI DENON
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