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SERVICE MANUAL Stereo Integrated Amplifier LV-122 e For information that is not mentioned in this service manual refer to the Service Manual LV-112(Part No.68P10516WO02). LV-122 Electrical Parts List Resistor : Carbon resistors under 1/4 wattsare not mentioned in the parts list, please confirm them by schematic diagram. Capacitor : uF = microfarads, pF = picofarads. Abbreviations o RES.= Resistor CAP.= Capacitor ie! Part No. Description C.F.= Carbon Film ELY.= Electrolytic MF.= Metal Film CER.= Ceramic ‚ M.O.= Metal Oxide Fiim MYL.= Mylar Function P. C. Board М.Р. = Metal Plate TAN.= Tantalum , TR.= Transistor POLY.= Polystyrol IC's TRANS. = Transformer PP.= Polypropylene 104201 |5iT65380F01 | NJM4558HT CP.= Chip PLT.= Polyethylene IC4202 |51T65380F01 |NJM4558HT PF.= Polyester Film Symbol Part No. Description LED's LD8201 |48T10857W01 | GLSPR8 (RED) Main P. C. Board LD8202 | 48T10857W01 | GLSPR8 (RED) , LD8203 | 48T10857W01 | GL5PR8 (RED) IC's LD8204 | 48T10857W01 | GLSPR8 (RED) IC1101 15118239401 [NJM7815FA LD8205 |48T10857W01 | GLSPR8 (RED) or 51T94884F05 | MC7815CT IC1102 |51T82395F01 [NJM7915FA LD8206 |48T10857W01 | GL5PR8 (RED) or 51794885F05 | MC7915 IC2101 |51725576W01 | NIMAS80D SP Terminal P. C. Board Capacitors Capacitors C7501 |08S40805F16 |CER, S600pF C1111 |23T00149L37 JELY, 220uF /25V C7502 |08S40805F16 |CER., 5600pF C2103 |08S40805F04 |CER, - 330pF C7503 |08540805F16 |CER., 5600pF C2104 |08S40805F04 |CER, 330pF C7504 |08540805F16 |CER., 5600pF C2105 |23T00140L39 |ELY., (B.P) 4.74F/50V C2106 |23T00140L39 |ELY., (B.P) 4.7 Е /50М C2117 |23T00140L59 lELY., (8P) 1uF/100V Miscellaneous C2118 |23T00140L59 |ELY., (8.P) 14E/100V LD8701 |48T10857W01 [LED, GL5PR8 (RED) C7109 |08T81196F05 | Mica, 7 pF P1001 |28TO0001K01 | Plug, AC Coard C7110 |08T81196F05 | Mica, 7pF or 28T43812P04 | Plug, AC Coard C8108 |23T00149L39 |ELY., 4706 /25V Cabinet Assembly Parts List Packing Assembly Parts List S | ymbo Index{ Part No. Description Symbol Part No. Description 2-A 101V13600WS52 | Assy., Front Panel 103 56530746W01 | Carton, Packing 2-H |15D94698F08 | Cover, Rear 104 68P21552W28 | Owner's, Manual A О 2-H |15D94698F09 | Cover, Rear 4-B |36B67366F01 | Knob, Main Volume 3-A |36A74341F01 | Knob, Tone Volume —_> —+ - — E UI LI] — 12 | S-F | 75A96563F03 14 03571677F38 Pad, Trannleg Screw, Flange (M3 x6) NOTE : À : for Without Safety Regulations Version, © : for With Safety Regulations Version, Others: Common. LUX CORPORATION, JAPAN 1-1-8 Nishi Gotanda, Shinagawa-ku, Tokyo, 141 JAPAN Phone:03-493-4381 Facsimile:03-494-8426 10/90-Y 68P30591W01 Printed in Japan 153 SERVICE L MANUAL] LV-112 Contents Specifications Dneenoaderareenareraoonerocirarotrroreoraornaneacecaoinrcacimareaarrianecareecanveo ercer hana ante een eee ee, 9 Parts Locations and Dissembly Instructions eee eae e eee eee eee e sedan eens a eee eee e angen e sean een eras 3 to 4 Adjustment Procedures «eee RTS TO 5 Adjustment Locations --<-<<eeercemermereerernterrereer terres eee ere eee ane 5 Block Diagram Fp areeoncnareeanaoraria RE 6 Schematic Diagram acacantiddBerEcsserrrovartreverdrnelrivaoararrtaRtcsorcooarirearacnane cari vanzaroreneeeavarearrneanmoraneerronvecareveocaerecn am Denrerrevensarerarrarieea. 7 to 10 Parts Layout on P.C. Board & Wiring Diagram te ateesasseasnirarenseasenneaaan reat PE rarerenmerreciar ar enero ro mnacomóo. 11 to 14 Electrical Parts List aoaeaaroonorarcoasniconacaaroanararenvanasnmaveetrodraseverbrearvasrréovacrcartaoneacae. mrverercorer eaerarárramanrerervarerrramerveraceuidarer arena. 15 to 18 Packing Method View DE - 19 Packing Assembly Parts List o eroeatiananaananroraraaonecmrareueanennosvdan o 0 aVARTTTETEREAT SSSR SSP EEE ES PSP нифуелввоияе eerie. 19 Cabinet Assembly Parts List e aanaranresesranasnrenayorcazacesrtrcangcanovrasormoovaaanranarecivoonrernarr ra reronanerrcaroreraoreconeracreorene ran earare enzo 20 Exploded View (Cabinet) Dnsecaciereoaaronrae aan annaaeyocanonremasrergonanaranmaróidre recorro nnavedanmorenoronaneanasnernaciorroranrrcamoracorrerocanor reo. pee 21 10 29 Semi-Conductor Lead Indentifications enenrocoorarorrrrarecoarrereroratararascononuaserooenarononnonoarorararecicoaaronnonaacaceyecarecacaaciorarmaocooaramano 23 to 25 Specifications VLV112AD/UQ/UZ Power Output Daamarecizareorerocorerortoreracrreneraricnerasiiroranaaiorenarorenarroanererererroosarrasetaranerrrecarrecoó. vera eee 5 5 (0,1% THD 20HZ —~— 20kHz) Headphones Output o ocervacrereanerecoltoioresaianarariorererersor aan ramearvecarereretan e ee a 55¥ (80ohms ~ LkHz) 700aV = 10% Input Sensitivity (1kHz) avescicoreraranoreormonovrrnarooricancareccamevarmecerevorórereresdtrerarvecrarerevevereverevo CD. Tuner. DAT/Tape-1:1500V = 15% DAT/Tape-2. AUX(L-ch, Mono) :150mV = 15% Phono (MM) : 2. 5mV + 20% Input Impedance (1kHz) неее... e esericrorareneces e A eee CD, Tuner. DAT/Tape-1 : 40kohm + 15% DAT/Tape-2, AUX: 40kohm + 15% - Phono (MM) : 47kohm + 15% , Frequency Response Perremarorooanorcconorecoaararerrararac adrede tara arar crranccaranarArAcTaE. DAT/Tape-1. DAT/Tape~2: (10Hz~100kHz)+1. -AdB | CD, Tuner, AUX: (10HZ—100kHz)+0.6. -3dB Phono (MM) : (100Hz) 13.03 = 1dB Phono (MM) : (10kHz)-13.74 = 1dB Loudness Control (VR-30dB) Dnenidacaaaracareonercanearecaverricr on neoraneoorecor ene nernacenanerenaro re nero. . Driermrarecanererrean aa reo een. (100Hz)8 + 2dB - ; (10kHz)4 £2dB Tone Controls Lente tentera teen ee EEE ar Bass: (100H2) + 10 + 3dB | | Treble: (10kHz) +10 +3dB S/N Ratio ee EE Gercader ramasse nnensre seen cer semer entr ane ns acc a 00 Le eran CD, Tuner. AUX:82.9dB (Input Terminal Shorted) eneocercorosceneracaaracorrarcccoreanrerarearrerecareore ia arre rereee rear eenrerarerar nee DAT/Tape-1, DAT/Tape-2:78.5dB Phono (MM) :54.9dB Crass Talk (10kHz) Uenociaoeorvecacronananenenorcoor cen rrevarearererereea ro reroneorrreceaacricoee ne reoreceiar ea nario rEreveremanoo CD. Tuner. DAT/Tape-L :40dB | Phono (MM) : 30dB Residual Noise Peerarercorrererirrorrvyerercerevecereraro rr cror coin aorrecicanca reee earacor na ererererearororn orar rene nrireccareca near ciao er enterrar cen 1.2aV Power Supply ILRI ireraocareroerareneroviane tooo reo tes acero eaor con reracr rronterreocarercon ere raorarenrore ree 1 20/220/240V, 50Hz Semiconductors resserre n ae ea ea mena ane a een nana eee n nee mean carence nn arO HE CAS SE Cr OT GENE NES NES eme 101C's, 19Transistors. 37Diodes., 4Zener Diodes Dimensions Lecce rame cena nea ses enaen ren en ea nec an ana ne eene ane anersenan anse net en ne rence ndemee rene ren eena sen nece sance ss ase na ace ee Ace nn CNE 438 (W) x 137 (H) x 365 (D) ma Weight | oreceocacorerorecaceaecororen rneirearronoocericosecerravareriarivcorrecrrert rr ee ECatorearocraccacrcaro ne ronerearerarcaocoe rea arororircacecraroraorecerez o roer oa 9kg Note:Due to continuing product improvement. specifications and design are subject to change without notice. - 2 … mn LV-112 Parts Locations and Disassmbly Instructions DAT/Tape Monitor Button Operation Indicator Speaker A and B Bottons Power Button Phones Jack A Bass Control Input Selector/Indicators Treble Control Line Straight Button and indicator Aux Front/Rear Button Volume Control Front Input Jacks Balance Control DAT/Tape ! and 2 Buttons DAT/TAPE-1 REC. OUT Jacks Loudness Button Subsonic Filter Button aux. Jacks (Rear) TUNER Jacks DAT/TAPE-1 MONITOR Jacks CD Jacks DAT/TAPE-2 REC. OUT Jacks PHONO Jacks Ground Terminal (GND) ESSOR des DAT/TAPE-2 MONITOR Jacks Extra AC Outlets (Canadian Models) Speaker Terminals (A and B) AC Power Cord LV-112 1. Removal of Top Cover (1) Remove six screws marked "O” as shown in Figure Direction of Top Cover 3 and 4. Top Cover Removal (Pull Out) (2) Pull out the Top cover in the direction of the arrow as shown in Figure 3. Figure 3 Bottom Cover 2. Removal of Main P.C. Board (1) After removal of the Top Cover. remove eight screws marked " @ " and four screws marked " A" as shown in Figure 4 and 5. (2) Disconnect all wires from the Main P.C. Board | “| Rear chassis and the P.C. Board with Heatsink can be removed Completely. Figure 4 Main P.C. Board Heat sink Figure 5 a ER Da Md mF — Adjustment Procedures 1, Connection {020 TPL(TP3) #4 + Lo, TP2(TP4) = o DC VTVM Set Figure 6 3. Adjustment Procedures Idling Adjustment Adjust VR7101 (VR7102) until 8 mV is obtained between T.P.1 (T.P.3) and T.P.2 (T.P.4). Adjustment Locations ТР! Р2 Figure 7 Main P.C. Board (Component Side) LV-112 2. Control Setting Power Switch enoosacancosooecccerarecraacanvoeacacareracorecaearene ON Yolume Control ssorcrcvoarvecacocareccovamene. Minigum Position Balance Control ++==============e==reeerers Center Position Treble. Bass Control» Center Position Tone In Switch ererorsocoreroceoacacararevarrocccrererencuecen. OFF REC OUT Selector Switeh +------=====erereccnacenanecnnne. OFF Cartridge Switceh-==========ecesrrereroncarcaverenccrnacene—o. „MM SP. Switehrerrrreeeererrermcccieiiiecreciiieninaiaeannnne. SP.A Others sucercocoroarenvecnecanriarmentecacconerces neeneveraneneor OFF SP. A Terminal=========- e 8 ohm Load(Both Channel) Note : This adjustment should be made approx. 30 minutes 5 often the power on or voltage becames sufficiently steady state. TP3 TP4 2 UA na E ES Ap en aa ———]c ri mare LU * re eee LV-112 Block Diagram не ———e——D]l—— A еее т = — т (E[9POW UDIPOUDJ) | E | | SNYML HIMOd | | SNVYMi HIMOd | | LOOLL | | 10011 | | “— | | — ASA e 10513 | q31 | | аз i | | | 6 | | | } | | 1 E | | 39v1S OV LION | | Vis. 399 LT0A Alddns a3m0d 1! NV ATddns mod‘ | o | | ¥IMOd | 3SN4 —o ov | LOO Ld | 1001d | | 105 | | YIMOd = МОЯ | | Ging o] “nod | | Mou | | ® 10015 | ЮЕ!5 ZOOLd Lo — Lo Lo a A LL Z _J jpow Zn "ON jpow gy Z idvi7lva LIJVL/LYG TINNYHO | o YIHILO | | =) — | L NOW ) | Z 3dv1/71va | | 934 ‘ | ) с | | NOW | L3dVL/1VO ® | & 939 NOLLNE YOLIILONS çÇ JV39/LNONS > 1019г хпу *————— € nv 1804 8 LNOD Кош ПЭ MOLINON 301031385 ХПУ VIE Idv1/ va 1ndNI o HINNL y | | | NOLLNE 1NO9 SHIMVIdS 318341 NOLLNE LHOIYVLS INT O С | ao J К. A | ONOHd oer SP: XNV ¥3NNL do ONOHd Schematic Diagram | - a | . 10 104201 104202 Treasisters: 1C210t MS220P [EG МР} 108101 2 20 PHONY POWER LED P.C.BOARD cml 164201 №М4558 FEIR AMP BUFFIR À CAI01-4Hi0 AD acquit omy 1C7101 a NOTES: 1 All raststonce valuas ara tn onas., K = 00 2. Ari comacitanes values are in CA no TZ 07108 alerotecods. P = 1/1. 000, 000 - 07102 97106 anol 97105 CAUTION: 07109 27103 am 97107 The A sack. the avanor NO. ima vox in te scheaallc diogro na ne shag elrcutt De spacifisd in Tne parts 3 (57. 07118 2503182 POWER © + RANSISTCR | Q7114 2503964 EU 0UST | 97116 2541265 - 5SQWER _! TRANSISTOR! C7125 22000 07115 2SA1265 iO POWER + | TRANSISTOR | q7113 2503964 (ou | ADJUST | LEE Ath y 1C8101 TRANS STOR [Г [а [ТЕ Ге Го [о То |] [ov [ —70v | sev | 2.7av | -07v | 0.8v | 2.70 | av | av | 08101 2541360 | THERMAL: | PROTECTOR | Measuring Conditions Power Supply Voltage : AD AC120/220/240V UE/UZ ACI2OV Measuring Metar Digitol Muir Mecsuring Palar Reteranca : ween Groun Voltmetar : q Megsuring Conditions : № signat Input [LV-112 wan wane |. Parts Layout on P.C. Boards 7 and Wiring Diagram | FUNCTION P C.BOARD MAIN P С. BOARD ps eo oo freer ¡en PRO-CUT PRO-OUT L R L R L 8 + 540% 9 FIRE = jajaa ea ...... F/ INPUT P.C.BOARD POWER LED P C.BOARD | LV-112 LV-112 | | SP TERMINAL PC.BOARD UQ, UZ model e Г} РЮО! PLUG AC CORD PRO-OUT FRO-OUT R L R u JIOO! AC OUTLET POWER SW PC. BOARD TIOO! POWER TRANS AD mode! only РЮО! PLUG AC CORD SIOQI SWITCH SOCKET BLU:.......... Blue GRN --........ Green BLK-.......... Black GRY --........ Gray WHT -........ White RED-.......... Red Y EL +-........ Yellow VIO +=........ Violet BLK/WHT--Black SHLD Shield TIOOI POWER TRANS Electrical Parts List LV-112 “Resistor : Carbon resistors under 1/8 watts are not mentioned in the parts list, please confirm them by schematic diagram. Capacitor: uF=microfarads. pF=picofarads Abbreviations eo! Part No. Description CAP. =Capacitor CER. «Ceramic D7101 | 48T44813F01 + MAIBSTA ELY.=Electrolytic LED.=Light Emitting Diode D7102 | 48T44813F01 | MA1SSTA MIC. =Hica MO.-Hetal Oxide Fila DT103 | 48T44813F01 | MALGSTA MYL. =Mylar. PP.=Polypropylene D7104 | 48T44813F01 | MA1B5TA SOL. Solid ZEN. =Zener D7105 | 48T44813F01 | MALESTA Synbol Part No. Description D7106 | 48T44813F01 | MA165TA No. D7107 | 48T44813F01 | MAL65TA Main P.C. Board D7108 | 48T44813F01 | MALIB5TA D7109 | 48773079F02 | 1SS82 IC's . D7110 | 48T73079F02 | 1SS82 ICLLO1 | 51T82394F01 | NJMT815FA IC1102 | 51T82395F01 | NJMT9L5FA D7111 | 48T73079F02 | 19882 102101 | 5170008810! | M5220P - D7112 :48T73079F02 | 1SS82 [C6101 | 51T80864F0L | CX-770 D7113 | 48T68764F01 | 152471 1C8102 | 51T80864F01 | CX-770 D7114 | 48T68764F01 | 1S2471 D7115 | 48T68764F01 | 182471 IC6103 ¡ 51T80864FO1 |CX-770 - IC7101 | 51T68833F01 | STK3062 D7116 | 48T68764F01 | 1S2471 {C8101 | 51T6T437TF01 | TA7317P D7117- | 48T68764F01 | 182471 - D7118 | 48768764F01 | 1S2471 D7119 | 48T68764F01 | 182471 D7120 ¡| 48T68T64FOL | 152471 Transistors D7121 | 48T68764F01 | 1S2471 Q7101 | 48T52543F03 | 2SA9TO D7122 | 48T68764F01 | 1S2471 Q7102 | 48752543F03 | 2SA970 D7123 | 48T44813F01 | MALG5TA 97103 | 48T53301F02 | 2SC2240 D7124 | 48T44813F01 | MALESTA Q7104 |: 48T53301F02 | 282240 D7125 | 48T44813F01 | MALESTA Q7105 | 48T94820F01 | 2581258 . D7126 | 48T44813F01 | MALESTA Q7106 | 48T94820F01 | 2SB1258 р6101 | 48S40477U01 | 1N4003 | Q7107 | 48T94821FOL | 25D1785 D8102 | 485404770! | 1N4003 Q7108 | 48T94821FOL | 2SD1785 ZD1101 | 48T52739F99 | ZEN. HZ30-3 | Q7109 | 48T52543F03 | 25A970 7201102 | 48152739799 | ZEN. HZ30-3 Q7110 | 48T52543F03 | 2SA9TO 207101 | 48T52739F41 | ZEN. HZ6C-2 Q7111 48T53301F02 2502240 207102 : 48T52739F41 | ZEN. HZ6C-2 Q7112 | 48T53301F02 | 2SC2240 Inductors Diodes A | 1.2101 | 24T83130F02 | 334H D1102 | 48540477U01 | 1N4003 A | L2102 | 24T83130F02 | 33uH D6101 | 48T44813F01 | MALESTA A | L2103 | 24T83130F02 | 334 H D6102 | 48T44813FOL | MA165TA A | 12104 | 24T83130F02 | 33H D6103 | 48T44813F01 | MA165TA LT101 | 24T74372F02 | YERTI 1lzH D6104 | 48T44813F01 | MALBSTA L7102 | 24T74372F02 | YERTI 1zH D6105 | 48744813F01 | MAI65TA 06106 | 48T44813F01 | MALESTA D6107 | 48T44813F0! | MALOSTA D6108 | 48T44813F01 | MAIGSTA D6109 | 48T44813F01 | MALESTA Note : À : For Vest Germany model on!y(AD) Others : Common @® : For Canada aodel only(UQ) ME: For North American model only (UZ) LV-112 | Symbol Part No. Description Symbol Part No. Description No. No. Capacitors C6104 | 08T52714F13 | CER. 0.01 «FE C1101 |23T00149L67 | ELY. 33 zF/83V C6105 | 08T52714F13 | CER, 0.01 uF C1102 |23T00149L87 | ELY. 33 y F/63V C6106 | 08T52714F13 | CER, 0.01 uF C1103 | 23T00149L37 | ELY. 2202 F/25Y C6107 | 08T52714Fi3 | CER. 0.01 «F C1104 | 23T00149L37 !ELY. 2204 P/25V C8108 | 08T52714F13 | CER. 0.01 «F C1105 | 21T68834F01 | CER. 0.01 «F C6109 | 08T52714F13 | CER. 0.01 uF A C1111 | 23T00148L58 | ELY. 33 zF/s0v C8110 | 08T57298F01 : CER. 0.1xF O Ciil! | 23T00149L36 |ELY. 100 F/25Y C8111 {2300149136 | ELY. 100 4 F/25V Ш | СПЦ | 23700149036 |ELY. 100 x F/25V C6112 | 23700149136 | ELY. 100 4 F/25V A | C2101 | 21S40655F22 | CER, 82pF C7101 | 08S40805F01 | СЕК, 100pF A | C2102 | 21S40855F22 | CER. 82pF C7102 | 08S40805F01 | CER. 100рР A | C2103 | 08S40805F03 |CER, 220pF C7103 | 08T61939F27 | CER, 47pF O | C2103 | 08S40805F01 | СЕВ, 100рЁ C7104 | 08T61939F27 | CER. 47pF № | C2103 | 08S40805F0L | CER. 100pF C7105 | 08S40805F05 | CER. 470pF À | C2104 | 08S40805F03 | CER. 220pF C7106 | 08S40805F05 | CER. 470pF @ | C2104 | 08S40805F01 | CER. 100pF C7107 | 08T81196F05 | HIC. TpP M | C2104 | 08S40805F01 | CER. 100pF C7108 | 08T81196F05 | MIC. 7pF C2105 | 23T00149L55 |ELY. 4.7 2 F/50V C7109 | 08T81196F03 | MIC. 3pF C2106 | 23T00149L55 | ВУ. 4.7 4 F/50V C7110 | 08T81196F03 | MIC. 3pF C2108 | 23T42478F31 | ELY, 47 uF/25V C7111 |23T42478F31 | ELY, 47 и Р/25\ C2110 | 23T42478F31 | ELY, 47 e F/25Y C7112 | 23T42478F31 | ELY. 47 uF/25V C2111 | 08TSTTOSFT4 | MYL. 0.039 uF C7113 | 23T00149L74 !ELY. tu F/100V C2112 | 08T57705F74 | MYL. 0.039 F C7114 | 23700149174 | ELY. 12 F/100V C2113 | 08T57705F67 | MYL. 0.01 uF C7115 | 23T00149L69 | ВУ, 100 F/83V C2114 | 08TS7TO5F87 | MYL, 0.01 «F C7118 | 23700149169 | ELY. 100 F/63V C2117 |23T00149L74 | ELY, 12 F/100V C7121 | 08T81196F34 | MIC. LOOpF C2118 | 23T00149L74 | ELY, 12 F/100V C7122 | 08T81196F34 | MIC. 100pF C2119 | 08T57705F58 | MYL. 1800pF C7123 | 08T81198F34 | MIC. 100pF C2120 | 08T57705F58 | MYL. 1800pF C7124 | 08781196234 | MIC. 100pF C2121 |23T00149L38 | ELY, 1002 F/25V C7125 | 08T57705F09 | MYL. 2200pF C2122 |23T00149L38 |ELY. 100uF/25V C7126 | 08T57705F09 | MYL. 2200pF C2123 | 08T57298F01 |CER. 0.iuF C7127 | 08T57705F09 | MYL. 2200pF C2124 | 08T57298F01 | СЕК, 0.10 Е C7128 | 08T57705F09 | MYL. 2200pF A | C4101 | 08S40805F01 | CER. 100pF C7129 | 08S40805F04 | CER. 330pF À | C4102 | 08S40805F01 | CER. 100pF C7130 | 08S40805F04 | CER. 330pF A | C4103 | 08S40805F01 | СЕВ, 100рЁ | 67181 | 23700149174 | ELY, 1x F/100V À |C4104 | 08S40805F01 | CER. 100pF C7132 | 23T00149L74 | ELY. 12 F/100V A [C4105 | 08S40805F01 | СЕВ, 100рР C7133 | 23T00149L59 | ELY. 47 uF/50V À | C4108 | 08S40805F01 | CER. 100pF C7134 | 23T00149L59 {ELY. 47 4 F/50V & | C4107 | 08S40805F0L | CER. 100pF C7135 | 23T00149L58 |ELY. 10 2 F/50V À |C4108 | 08S40805F01 | CER. 100pF CT136 | 23T00149L56 | ELY, LO wF/50V A |} C4109 | 08S40805F01 | СЕВ. 100рР C7137 | 23T00149L56 ELY. 10 ze F/50V A |C4110 | 08SA0805F01 |CER. 100pF C7138 | 23T00149L56 | ELY. 10 zF/50V CS10L |08T52714F13 |CER, 0.01 «F C7139 | 23T00149L74 ¡ELY. | F/100V C6102 |08T52714F13 | CER, 0.01 uF C7140 | 23TO00149L74 |ELY, Ex F/Lo0V C6103 | 08T52714F13 |CER. 0.01 uF Note: A: For West Germany model only(AD) ® : For Canada sodel oniy(UQ) EN: For North American model only (UZ) [RR EJ ————— — LV-112 ee! Part No. Description ee! Part No. Description С7141 | 23700149174 |ELY, 12 F/100V Function P.C. Board C7142 | 23T00149L74 | ELY, 1@F/100V C7143 | 23T00149L74 | ELY. 1e F/100V les C7144 | 23700149174 | ELY. 17 F/100V [C4201 | 51T52383F01 | NJM4558D C7145 | 08T40658F70 | CER. 0.047 uF 1C4202 | 51T52383F01 | NJM4558D C7146 | 08T40658F70 | CER, 0.047 uF C7147 | 08T40658F70 | CER, 0.047 uF Diodes C7148 | 08T40658F70 | CER. 0.047 uF LD8201 | 48T66616F02 | LED. SLR-54VR3 (RED) C7149 | 08S40805F01 | CER. 100pF LD8202 | 48T66616F02 ' LED, SLR-54VR3 (RED) C7150 | 08S40805F01 | CER, 100pF LD8203 | 48T66616F02 | LED. SLR-54VR3 (RED) LD8204 | 48T66616F02 : LED. SLR-54VR3 (RED) C8101 | 28T00149L23 | ELY. 47 y F/16V LD8205 | 48T66616F02 | LED. SLR-54VR3 (RED) C8102 | 23T00149L74 |ELY. LuF/100V C8103 | 23T00149L21 |ELY. 22 wF/16V LD8206 | 48T66616F02 | LED. SLR-54VR3 (RED) C8104 | 23T00149L51 |ELY. 0.47 uF/50V C8105 | 23T00149L53 |ELY. 2.2uF/50V Switches C8106 | 08S40805F11 | CER. 2200pF $6201 | 40T95030F01 | Push. SPEC23 (LOUDNESS) C8107 | 08T52714Ft3 | CER, 0.01 uF $6202 | 40T83838F01 | Push. IP (LINE/STRAIGHT) C8108 | 23T00149L38 | ELY, 100 7 F/25V $6204 | 40T95034F01 | Push. SPEASI (INPUT SELECTOR) $6205 | 40T95083F01 | Push. SPEC12 (FRONT/PEAR) S6206 | 40T95064F01 | Push, SPEC23 (TAPE 1/2) Resistors RI101 | 06T92264F46 | MF. 750 ohm 2V R1102 | 06T92264F46 | MF. 750 ohm 2¥ Capacitors R7111 | 06T69013F41 | Fuse, 100 ohm 1/4Y C1201 | 23S57007F13 | ELY, 33 ze F/16V R7112 | 06T89013F41 | Fuse, 100 ohm 1/4W C1202 | 23S57007F13 | ELY, 33 uF/16V R7141 | 06T92264F25 | MF, 100 ohm 2W C4201 | 23S57007F05 | ELY. Lu F/50V C4202 | 23S57007F05 | ELY. 1uF/S0V R7142 | 06T92264F25 | MF, 100 ohm 2Y C4203 | 08S40805F01 | CER, 100pF RTI51 | 06T92262F01 | MF. 0.22 обе 3Y R7152 | 08T92262F01 | MF. 0.22 оба ЗМ C4204 | 08S40805F01 | CER. 100pF R7153 | 06T92262F01 | ME. 0.22 oha 3Y C4205 | 23S57007F21 | ELY. 10 mw F/25Y R7154 | 06T92262F01 | MF. 0.22 oha 3Y C4206 | 23S57007F21 |ELY, 10 mw F/25Y C4207 | 23S57007F08 |ELY, 2.22 F/50V R7155 | 06T92263F01 | MF. 10 oha 1W C4208 | 23S57007F06 | ELY. 2.24 F/50V R7156 | 06T92283F01 | MF, 10 oha 1Y | _ R7157 | 06T92264F01 | MF. 10 oha 2 C4209 | 08S40805F16 | CER, 5800pF R7158 | 06T92264F01 | МР, 10 ohm 2W C4210 | 08S40805F16 { CER. 5600pF R8116 | 06T92264F49 | MF. 1X oha 2¥ C4211 | 08T57705F21 | MYL. 0.022uF C4212 | 08T57705F21 | MYL. 0.022uF YR7101 | 18C41732G07 | SOL. Variable 1KB C4213 | 08T57851F15 |TF, 0.15 uF VR7102 | 18C41732G07 | SOL. Variable 1KB - | C4214 | 08T57851F15 | ТР, 0.15 uF C6201 | 08T57705F04 | MYL, 820pF Relay C6202 | 08T57705F04 | MYL. 820pF RL8101 | 80T95099F02 | DH24D2-0T (M) C6203 | 08T57705F19 | MYL, 0.015 uF - C6204 | 08T57705F19 | MYL, 0.0154F Jacks C6205 | 08T57851F18 | TF. 0.27 uF J2101 | 09T72605F01 |Piate. Pin-Jack-2p (Phono) C6206 | 08T57851F18 | TF. 0.27 uF J4101 | 09T72806F03 | Plate. PH 14P (CD. Tuner. LD. RECL. Monil. REC2. Moni2) Note : A : For Vest Germany model only€AD) O : For Canada model only{(lQ) BB: For North American mode! only (UZ) Others : Common LV-112 Symbol Part No. Description Symbol Part No. Description | | No. No. Resistors Pover Suplly P.C. Board YR4201 | 18T95027F01 | Variable. K162 10KBx2 (TRE) VR4202 | 18T95027F01 | Variable. K182 10KBx2 (BASS) Diode VR6201 | 18T71727F0L | Variable. RKDAOO 100KBx2 (VOL) BD1401 | 48T81924F01 | Bridge RBY-602 VR6202 | 18T95028F01 | Variable. K182 250KMN (BAL) Power SW Р.С. Board Capacitors C1401 |23T72607F01 lELY, 0.01 2 F/63V Svitches C1402 | 23T72607F01 | ELY. 0.01 zF/83V S1301 | 40T92255F02 | Push. SDLP IP (POWER) C1403 | 21T68834F01 | СЕВ, 0.01 uF S7301 | 40T95032F01 | Push. SPUN19 (SP.A) C1404 | 21T68834F01 | CER. 0.01 uF S7302 | 40T95031F01 | Push. SPUNL2 (SP.B) Capacitors Miscellaneous C1301 | 08T57487F09 C1302 | 08T57437F09 CER. 0.01 uF CER. 0.01 uF Resistors R7301 R7302 06T92264F33 06T92264F33 MF. 220 ohm 2W MF. 220 ohm 2V J7301 09T52845F12 HD M1658AYCA SP Terminal P.C. Board Capacitors C7501 C7502 C7503 C7504 C7505 >> > > > C7508 > 08S40805F15 08S40805F15 08S40805F15 08S40805F15 08540805F21 08S40805F21 CER. 4700pF CER, 4700pF CER, 47000F CER. 4700pF CER, 0.022uF CER, 0.022uF Terminal mo» E7501 | 09T83850F01 E7501 | 09T83850F03 E7501 | 09T83850F03 SP 8p SP 8p SP 8P Note : A : For West Germany mode! only{AD) ® : For Canada model only (UQ) BI : For North American model only (UZ) Others : Common e » CNO» 0750807 > 19901 19902 108701 Р1001 P1001 P1001 P1002 Q7113 Q7114 Q7115 97116 Q7117 Q7118 ‘Q8101 S1001 T1001 11001 T1001 F1101 F1101 F1101 F1301 F1301 F1301 J1001 J1001 09T80329F01 09T80329F02 48T66616F02 28T43812P04 28T55335F02 28T55335F02 09T51830F0: 48T92782F01 48T92782F01 48T58610FOL 48T58610FOL 48T58609F01 48T58609FOL 48T64375F01 09T51831F01 25T95045F01 25T95045F02 25T95045F02 65T42077U16 65766926F14 69T66926F14 65T42077U21 65T66926F19 65T66926F19 09T68841F03 09T68841F03 Plate. Phono Plate. Phono LED. SLR-54VR3 (RED) Plug. AC Cord Plug, AC Cord Plug. AC Cord Plug, SW Tr. 2SC3964 Tr. 2SC3964 Tr. 2SA1265 Tr. 2SA1265 Tr. 2SC3182 Tr, 2SC3182 Tr, 2SA1360 Socket SW Trans. Power Trans. Power Trans. Power Fuse, Semko LA Fuse. 5INM 1.254 Fuse. 51NM 1.9254 Fuse. Semko 3.154 Fuse. 51NM 5A Fuse, 5INM 54 Outlet. AC Qutlet, AC — * = тент о очно ro Ebb pe | LV-112 Packing Method View Packing Assembly Parts List “Symbol No. 101 56B404427T08 | Packing. Front Frame 102 56D94704F0L | Tray. Packing 103 56S83833F41 | Cartor. Packing 104 68P81707F04 | Owners. Manual Part No. Description — 19 — LV-112 - Cabinet Assembby Parts List Note : The parts without part numbers are not supplied. Syabo! No. IN- dex Part No. Description Symbol No. IN- dex Part No. Description и > O oo —1 09 Ц 12 13 14 15 31 32 37 38 40 41 43 44 47 49 51 en on on 65 — 2-A 1-D 2h 2-H 2-H 4-A 4-А SA 3A 4-B 3-A 5-Ё 4-D 3-D 1-H 1-H 2-D 2-A 1-D 16 4-A 4-С 4-3 4 4-С S-A 6-B 01Y94400F27 15D72658F01 15D94698F01 15D94698F02 15D94698F07 36B70885F07 36B83814F01 36A72661F01 36A67333F01 36867336F02 36AT4341F02 7STS7058F01 15A96563F01 03540018602 03544205652 03S71031F04 03S40036001 15A82362F01 03S71677F18 03540018612 03571031709 14S53018F42 03C40121T18 03540018608 29041045705 OJAB2468F01 03871031503 14A82952F10 01T15036W03 4384162502 29766964F01 03S43997P42 05B41635J02 43A41837U04 09T84840F02 43T53136F04 09T51410F01 43A41837U02 14A96023F01 Assy., Front Panel Cover, Top Cover. Rear Cover, Rear Cover, Rear Knob. Power Knob. Speaker Knob. Push Tone Knob. Push (3x10) Knob. Main Volume Knob. Tone Volume Pad. Trannleg Pad. Trannleg Ser., TPG (M3x8) Ser. Pan (Máx14) Ser.. Bind (M3x8) Scr.. W/Yasher (Máx8) Cover, Y-Sele Ser., Pan (M3x12) Ser.. TPG (M3x10) Ser., Countersink (M3x8) Insulator Bolt Hex ¥/Double Washer (M3x10) Ser.. TPG (M3x8) Lug. Wrap 5400 Ser.. TPG (M3x10) Scr.. Bind (M3x6) Insulator. Y-Sele Assy.. Conn. IP Support. Cord Terminal. GND Scr.. Countersink (M3x5) Rivet. Push Spacer. LED Lug. Style 32mm Bush. Cap Holder. Fuse Spacer. LED Insulator. Jack Note: A: For West Germany model oniy(AD) 6 : For Canada model only (UQ) ME : For North American model only (U2) Others : Common 20 LV-112 vna Exploded View (Cabinet) — 22 — — 21 — wen Semi-Cond uctor Lead Identification LV-112 NJM7815FA:1C1101 TA7317P: 1C8101 STITT TST Ts == \ | | OuTPUT (1 - + —© INPUT | 1 | | 1 | 1. Output ‘== ---@------' 2. Common COMMON MUTE Vee lmput “рр рб AM Ka Da N - | | Regulated | Muting Vol Power On-Off | Circuit Circo | Detect Circuit | | aaa | | | Schmitt Relay Drive OUT I Over Current on Circuit Circuit $ PUT OUTPUT + L np Detect Circuit freut | a - - INPUT | ! | 1 ! | i | INPUT 2 (2 ET - ————— +DC Voi Discharge Sub- | 1. Output I» ! NPUT 3 05 Detect Circuit Circuit | Straight | 2. Input ' | | 1 | 3. Common Ne Os @- © y Dis, Charge GND Vss M5220P:1C2101 V+ OÙT2 12 IN2 8] [71 [e] [5] STK3062:1C7101 INPUT 1 (5 - DIFERENTIAL NF 1 (4 AME 13) NF2 CURRENT MIRROR JJ 2 G La REG AMP 12) INPUT 2 OUTI In INT у REG AMP 11) QUT 1 +B (3 BUFFER 10) QUT 2 15 PO x „dd BUFFER 5) OUT 2 A —OUTPUT (1) (8) у + REG AMP 5)OUT | GROUND (8 A —INPUT (2) (7) 8 -OUTPUT REG AMP CURRENI +) INPUT 2 MIRROR № 102 INF 2 DIFERENTIAL A +INPUT B —INPUT © © INPUT 1 ( oe v-(9) (5)8 +INPUT Na zen - 23 - — 24 — LV-112 CX770:1C6101. 6102. 6103 1/0109 1/09 1708 17/07 1/06 Gote3 Substrota A 1.05 Gatez Gate 2SC3964:Q7113. 7114 2SA1360:Q8101 2SA1265:Q7115. 7116 2803182:Q7117, T118 1. Emitter 1. Base 2. Collector 2. Collector 3. Base 3. Emitter 9SA970:Q7101, 7102. 7109, 7110 2SB1258:Q7105, 7106 —2502240:Q7103, 7104, 7111, 7112 25D1785:Q7107, 7108 1. Emitter 1. Base | 2. Collector 2. Collector 1 3. Base 3. Emitter ">

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