Sony MEX-5DI Car Media Receiver Service Manual
The Sony MEX-5DI is a versatile car audio system that combines high-quality sound with a range of features to enhance your driving experience. Enjoy your favorite CDs with exceptional clarity and precision, thanks to the unit's powerful CD player. The built-in AM/FM tuner provides access to a wide variety of radio stations, keeping you entertained on every journey. Connect your external audio devices, such as MP3 players or smartphones, through the auxiliary input for a personalized listening experience.
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MEX-5DI SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model Ver 1.0 2002. 04 • The tuner and CD sections have no adjustments. Model Name Using Similar Mechanism CDX-MP70 CD Drive Mechanism Type MG-550T-156 Optical Pick-up Name DAX-23E SPECIFICATIONS CD player section Signal-to-noise ratio Frequency response Wow and flutter General 95 dB 10 – 20,000 Hz Below measurable limit Outputs Inputs MS section Signal-to-noise ratio Frequency response 90 dB 10 – 20,000 Hz Tuner section Tone controls FM Tuning range 87.5 – 107.9 MHz (US, Canadian Model) 87.5 – 108.0 MHz (AEP, UK, E Model) Antenna terminal External antenna connector Intermediate frequency 10.7 MHz/450 kHz Usable sensitivity 8 dBf Selectivity 75 dB at 400 kHz Signal-to-noise ratio 66 dB (stereo), 72 dB (mono) Harmonic distortion at 1 kHz 0.6% (stereo), 0.3% (mono) Separation 35 dB at 1 kHz Frequency response 30 – 15,000 Hz AM (US, Canadian Model) Tuning range 530 – 1,710 kHz Antenna terminal External antenna connector Intermediate frequency 10.7 MHz/450 kHz Sensitivity 30 µV MW/LW (AEP, UK, E Model) Tuning range MW : 531 – 1,602 kHz LW : 153 – 279 kHz Aerial terminal External aerial connector Intermediate frequency 10.7 MHz/450 kHz Sensitivity MW : 30 µV LW : 40 µV Loudness Power requirements Dimensions Mounting dimensions Audio outputs (front/rear) Subwoofer output (mono) Power antenna relay control terminal Power amplifier control terminal Telephone ATT control terminal Illumination control terminal BUS control input terminal BUS audio input/AUX IN terminal Antenna input terminal Bass ±8 dB at 100 Hz Treble ±8 dB at 10 kHz +8 dB at 100 Hz +2 dB at 10 kHz 12 V DC car battery (negative ground) Approx. 178 × 50 × 178 mm (7 1/8 × 2 × 7 1/8 in.) (w/h/d) Approx. 182 × 53 × 157 mm (7 1/4 × 2 1/8 × 6 1/4 in.) (w/h/d) – Continued on next page – MG-MS/FM/AM COMPACT DISC PLAYER US, Canadian Model MG-MS/FM/MW/LW COMPACT DISC PLAYER AEP, UK, E Model 9-874-009-01 Sony Corporation 2002D0400-1 © 2002. 04 e Vehicle Company Published by Sony Engineering Corporation 1 MEX-5DI 4-3. BLOCK DIAGRAM — CD SECTION — DIGITAL SERVO/ DIGITAL SIGNAL PROCESSOR IC1 RF AMP IC2 OPTICAL PICK-UP BLOCK VC B+ (SERVO+3.3V) AUTO POWER CONTROL Q1 LD 13 1 2 PD VC 27 2V REG IC7 VC VCC VC FFDR 50 FRDR 51 19 22 B+ (RF+5V) 14 VC LD PD SFDR 46 SRDR 47 APC AMP RFSW B+ (RF+5V) 12 APC MODE CONTROL Q5,6 OUT2F OUT2R FOCUS COIL DRIVE A0-10 FFDR 29 FRDR 30 DIGITAL CLV A0-10 A0-16 5 4 23 22 XTAI 93 RAS WE CAS OE X1 16.934MHz XTAO 94 BUFF IC15 BUFF IC10 6 XRDE SCL SDA XWRE GFS GRSCOR 1 2 3 4 BU IN SYS RESET SW1 OPEN/CLOSE ERAM SYSTEM CONTROL IC501 (1/3) SW2 (OPEN END ) MAC MICK MIDIO 58 OPEN END MICRO COMP. I/F ALU SW3 (CLOSE END) 59 CLOSE END BUS SWITCH IC14 NC 94 LEVEL SHIFT IC13 76 77 78 91 92 74 BU+3V 5 6 7 8 8.5V 24 BUS ON SW4 B CROM 2.5V REG IC12 24 CD +5V REG Q203,205,207 • Signal path : CD B+(REF+2.5V) CD ON CN7 YRAM 1 RESET 19 STANBY 39 PO7 LINK OFF 15 70 UNI CLK UNI SI UNI CK BUS ON BU CHK LINK OFF 68 31 32 47 48 87 88 86 UNI SI UNI CLK CD ON SQSO XQOK SCOR SQCK 30 SPINDLE MOTOR CONTROL IC9 UNI SO 65 XTXAL UNI SO UNI SI 3 MUTE CD ON 63 XTAL X2 12.288MHz DECXRST 2 DECSTBY 3 DECINT 72 RSTX 59 CD ON MDS CD SYSTEM CONTROL IC11 A-ATT MOTOR CONTROL Q3 TE BAL ADJ APC2 APC1 SPST KEY IN1 LED CLK LED LAT LED DATA PSB 16 4 43 21 22 23 PCRX KEY IN0 KEY IN1 LED CLK LED LAT LED DATA IN4F SPINDLE MOTOR DRIVE C176 CD DAT XRST SFDR 14 SRDR 15 FL BOOT PCTX PCRX KEY IN0 OUT4F OUT4R SLED MOTOR DRIVE FL BOOT PCTX 6 8 OUT3F OUT3R DISPLAY SECTION (Page 26) UNI SO BUS ON 4 81 80 PSB M 12 10 MDP M1 (SPINDLE) M CD CLK CD LAT FOK 20 7 8 9 11 10 16 38 85 84 17 6 19 40 IN4R M2 (SLED) XRAM 60 CKI.ACKO UNI SLK NBUS BU IN TFDR 19 TRDR 18 UNI SO 62 XI XRDE 9 35 27 26 25 24 23 21 17 15 14 12 8 81 78 SCLK SENS OUT1F TRACKING COIL OUT1R DRIVE B LINK OFF CD ON UNI SI SRAM I/F CE 16 OE 17 WR 43 CSI 30 OE 32 WE 5 5 21 23 T+ T- LINK OFF CD ON BU IN XRAS 113 XWE 114 XCAS 119 XOE 120 42 C176 FOK 27 25 F+ F- VIBRATION MEMORY CONTROLLER/ COMPRESSION EXPANDER MDP 43 MDS 44 FOCUS/TRACKING COIL DRIVE, SLED/SPINDLE MOTOR DRIVE IC8 DQ1-3 IO4-8 DQ1-4 PROM TFDR 48 TRDR 49 DVC DVCC D0-3 60 TE Y BUS TE BAL SE X BUS TRACKING TE 18 ERROR AMP GAIN BAL SRAM IC4 OP AMP, ADC 46,47 49-51 53-55 10 11 TUNER SECTION (Page 25) AUDIO I/F 3,4,7,10,11 15,31-34 36-38,41 42,44,45 14 8 DRAM IC6 FE XWRE GFS WDCK 12 10 SDIO 12 SDD 9 LRCKIA 14 BCKIA 13 PCMD 88 PCMDI 89 LRCK 86 BCK 90 21-23 25-29 62 A DAC 63 VC 61 E F RFDC 1-4,7 10-20,31 16 AUDIO INTERFACE IC5 2,3,24,25 FE OFFSET CONTROL Q2 R-CH A-ATT EJECT A-ATT 8-12 15-19,21 FOCUS ERROR AMP A-D 30 58 L-CH 97 104 LPF LOUT2 115-118 DC OFST 28 LOUT1 SIGNAL PROCESSOR 1-3,5-7 106-109,111 RFDC RFDC AMP RFAC SQSO XQOK 1 7 71 SCOR XQCK A 6 B 7 C 8 D 9 15 SDTO XRST 3 5 RFAC EQ SERVO BLOCK A B VCA CLOK XLAT I-V AMP IC3 EQ IN SCLK SENS 3 RF RF 5V 8.5V CD +3.3V REG Q202,204,206 SERVO+3. 5V BU+5V CD +3.3V REG IC202 BU+3V MEX-5DI 4-4. BLOCK DIAGRAM — TUNER SECTION — -1 -2 BUS-GND SW Q352 ADSO SW IC309 MS AMP IC310 MS-L C ELECTRONIC VOLUME IC301 R-CH R DISPLAY SECTION (Page 26) ADSO2 L ADSO1 CN301-1,-2 BUS AUDIO IN/AUX IN MS-R 4 AUX-L R-CH 43 MD-L CN101 (ANTENNA) 1 AM-ANT AM DET 8 LCH ADSO IC302 A OUT L 38 -3 MUTE Q351 OUT SW 24 TUNER UNIT TUX201 L -4 R 33 AC IN L -1 9 AM/MPX2 MUTE Q451 OUT LF 28 L -2 9 40 CD-L AEP,UK,E MODEL SAOUT SACLK 12 13 14 R-CH OUT LR 27 SM RDS DET 17 18 EEPROM 12 MPX1 SDA SCL MPIN LEVEL SDA SCL S-METER MPX 10 SDA SCL 2 FM-ANT 19 20 14 13 17 23 21 6 NOISE DET IC102 AUDIO OUT -3 MUTE Q453 L -4 R 7 X101 4.332MHz SA CLK SA OUT MS MUTE Q142 DAVN 8 4 OSCO SDA 9 5 OSCI SCL 10 CN451-3,-4 REAR MUTE CONTROL Q363,364 RDS DECODER IC101 16 FM DET CN451-1,-2 FRONT R R-CH FM AMP Q141 CN301-3,-4 SUB OUT CN401 TEL MUTE 14 ILLUMI CHECK Q404 ILL 15 ACC CHECK Q405 ACC TEL MUTE Q406 TEST 7 13 L-CH R-CH MUTE CONTROL Q530 10 11 50 32 5 4 70 71 53 31 6 15 QUALITY MNI AU SDSO2 ADSO1 I2C-SDA I2C-SCL VSM E VOL ATT ATT BEEP 6 SYSTEM CONTROL IC501 (2/3) 100 OPEN SW S602 (CLOSE) 99 CLOSE SW BZ901 BUZZER BATT AMP POWER CONTROL Q401 (1/2),402 TEL ATT ILL IN ACC IN TEST IN 16 95 81 84 ANT POWER CONTROL Q401 (2/2),403 16 AMP R 6 ANT R 5 73 74 72 80 46 46 DDC-ON 57 TU+8.5V TUNER POWER CONTROL Q861,862 AUDIO+8.5V AUDIO POWER CONTROL Q863,864 X501 32.768kHz BU5V BATT POW ON 83 TUN ON 115 FAN S601 (OPEN) KEY INO 49 FP IDET AD ON I-DET IC701(1/2) • Signal path : CD : FM : AM • R-ch is omitted due to same as L-ch. 98 MOTOR+ 97 MOTOR- 93 T.ROM SDA T.ROM SCL 3 4 92 KEY ACK 7 MOTOR DRIVE IC703 75 56 XI M601 (OPEN/CLOSE) 9 BEEP DRIVE Q901 XO M X502 3.68MHz DAVN NS MASK R-CH A-ATT EJECT XOA A XIA CD SECTION (Page 24) AD ON Q504 BATT KEY FAM MOTOR POWER CONTROL Q871-873 FAN1 POWER CONTROL Q866,867 REG Q865 BATT TU+5V +5V REG Q101 TU+8.5V +5V +5V REG IC307 AUDIO+8.5V BU+5V +5V REG Q851 BATT 8.5V S200-208,210 25 25 D DISPLAY SECTION (Page 26) MEX-5DI 4-5. BLOCK DIAGRAM — DISPLAY SECTION — SYSTEM CONTROL IC501 (3/3) DIGITAL BOARD Q506 35 CD ON IN CD ON 9 MOTOR 3 DRIVE 7 4 IC702 6 51 TR-DET LED DRIVE Q201 RXD SH3 SO 13 IC913 6 60 LED ON SH3 SI 12 101 MOTOR ON LINK OFF CD SECTION (Page 24) B Q914 MS CHK 2 BUFFER IC201 UNISI 8 UNI CLK 11 BUS ON 6 BU IN 3 +9V REG IC704 MOTOR +9V 9 10 12 13 4 5 1 2 IR RECEIVE IC206 VSYNC RGB DECODER, RGB CONTROL DCLK 71 72 1 DP RST 118 14 BUSON Q911 30 31 33 34 35 36 37 SPR LBR SPL LP CLK Q205 DP SW 117 9 77 BUIN S209 RESET 86 HSTX 90 RSTX RESET IC502 BU+5v D SA OUT 85 RAM BU 7 SYS RST 24 SIRCS +5V REG IC201 RESET 3 BATT CHECK COM LCD+5V TEMP 48 +3.3V REG IC204 D201-204,208 53 BOOST LCD+3.3V LED DRIVE MS LED 36 2 13 Q815 BATT CHECK Q602 B+ (BATT) 4 7 1 2 3 BCLK 4 B DATA 5 BUS ON 6 8 BATT 1 8 BUS ON 3 DC-AC 8 CONVERTER IC203 4 DC-DC CONVERTER IC801 9 BUS CONTROL Q603 +15V 10 11 6 V3 V10 RV402 BRIGHT CONTROL IC209 57 DDC ON BUS INTERFACE IC601 V0 +6.5V PWM TEMP DET Q501-503 37 FSW SFT 14 13 12 BRIGHT 1 CONTROL 4 IC208 +6.5V REG Q204 MSTPW 116 47 TEMP CONTRAST 1 CONTROL 4 IC205 VOUT IC210 LCD201 TUNER MS MUTE SECTION (Page 25) Q912 TH501 Q604 CONTRAST SA CLK 18 UNISO 3 4 SIRCS CONTROL 17 IC901 9 HSYNC Q913 X901 4MHz D218 R.G.B MS SW 17 UNISI 19 UNICKO 4-8 12-16 19-23 R.G.B 2 TXD MS SET 3 BATT SYS RESET UNISO TUNER SECTION (Page 25) C R-CH RGB DRIVE IC207 I-DET IC701(2/2) D2,4-7 MS-L D/A CONV. DSP 61 T-CLOSE 62 T-OPEN REVO M REVI M3 (LOADING) POWER CONTROL Q809,811 9 VCC SHIFT Q808 2 RT INA2 14 -15V +9V OUT2 10 ON/OFF DRIVE Q810,812 OUT1 7 ON/OFF DRIVE Q801,802 +3.5V OUT2 10 ON/OFF DRIVE Q813,814 SH+3.3V OUT1 7 ON/OFF DRIVE Q805,806 +9V POWER CONTROL T201 INV+9V BL201 BACK-LIGHT 12 CN601 (BUS CONTROL IN) DC-AC CONV. CONTROL Q201,206,207 DC-DC CONVERTER IC802 BATT POWER CONTROL Q803,804 9 VCC DIMMER 5 CONTROL 1 IC200,Q200 1.8V OK SHIFT Q807 2 RT 26 26 1.9V OK SCARLET +3.3V 2.5V OK 3.3V OK VOLT CHECK IC914,915,916,918 DIMMER 1 CONTROL 4 IC202 ON/OFF DRIVE Q202,203 MEX-5DI 4-6. CIRCUIT BOARDS LOCATION THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) SERVO board for schematic diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1/4 W or less unless otherwise specified. • % : indicates tolerance. f • : internal component. • C : panel designation. Note: Note: The components identi- Les composants identifiés par fied by mark 0 or dotted une marque 0 sont critiques line with mark 0 are criti- pour la sécurité. Ne les remplacer que par une cal for safety. Replace only with part piéce portant le numéro spécifié. number specified. SWITCH board • A : B+ Line. • Power voltage is dc 14.4V and fed with regulated dc power supply from ACC and BATT cords. • Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal production tolerances. • Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. • Circled numbers refer to waveforms. • Signal path. F : FM f : AM/MW/LW J : CD MAIN board DISPLAY board DIGITAL board for printed wiring boards: • X : parts extracted from the component side. • Y : parts extracted from the conductor side. • x : parts mounted on the conductor side. a • : Through hole. • : Pattern from the side which enables seeing. (The other layer’s patterns are not indicated.) • Waveforms — Servo Board — — Main Board — (MODE: CD PLAY) 5 1 1 2.8Vp-p 3.5Vp-p 0.7Vp-p 22.7µsec IC2 qg (RFAC) ih IC1 2 4.332MHz (LRCK) 2.2Vp-p 3.8Vp-p 474msec Approx. 200mVp-p (FE) IC1 3 (OSCO) 2 0V qh 4 IC101 6 IC2 o; 32.768kHz IC501 (BCK) 7 (X0A) uf 3 3Vp-p 2.8Vp-p 0V Approx. 600mVp-p IC2 16.9344MHz (TE) qk IC1 4 of 3.68MHz (XTAO) IC501 8 2.2Vp-p 7.6µsec rd (MDP) os (X0) 4 3.3Vp-p IC1 Caution: Pattern face side: (Side B) Parts face side: (Side A) 3.5Vp-p 4MHz 12.288MHz IC11 yg (XTXAL) IC901 4 (XOUT) 27 27 Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated. MEX-5DI • Refer to page 27 for Waveforms. 4-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 40 for IC Block Diagrams. IC B/D C107 IC8 L8 L1 C108 C109 C68 C110 L2 C77 C67 L3 R118 R162 CN2 TP27 C36 TP105 R157 R77 C50 R158 TP14 C123 L12 C122 IC9 M1 IC B/D C70 L10 TP29 CN3 TP31 C124 L13 C121 TP103 Q3 M2 R159 R163 C62 C64 TP9 TP10 TP11 TP33 R100 R107 R160 R164 D25 C60 R99 D16 D17 D15 D14 TP87 D3 R156 C111 TP102 TP41 TP42 TP49 TP50 R161 C26 TP101 C47 TP55 D26 C91 D22 IC1 TP88 R44 C45 R61 C43 C2 R62 R64 C1 R56 R58 R24 R55 C38 C40 C73 Q1 TP6 C10 C25 R43 L7 BP1 C35 X1 D9 R72 R29 R30 R31 R35 R97 C90 TP15 BP3 R38 R45 R48 C28 R51 C3 C4 R49 C22 R41 TP19 BP4 TP20 C29 C12 C13 TP26 D18 R50 C21 C30 C31 C76 TP25 TP16 TP23 TP24 R34 TP21 TP22 TP12 BP2 R47 C19 R32 C34 C15 C16 C17 C27 C32 R46 C74 D19 TP8 TP104 Q6 R79 R78 IC B/D R71 R21 R5 R96 C14 R4 R94 R8 R20 Q5 R11 R15 R13 R9 C23 C8 R12 R7 R3 R6 C5 C6 C48 Q2 R74 IC B/D R23 R22 R17 R18 C7 R95 C9 R93 R14 R10 R16 IC3 R19 Note: • Voltage is dc with respect to ground under no-signal conditions. no mark : CD PLAY : Impossible to measure ∗ (Page 31) 30 30 IC6 R59 TP71 FB1 FB2 R54 R28 R25 R26 R27 L11 TP56 TP70 IC2 CN1 C37 R60 C71 IC B/D R2 TP60 TP61 TP62 TP63 TP64 TP65 TP66 TP67 TP68 TP1 TP3 TP5 TP7 TP69 IC7 R1 C96 MEX-5DI • Refer to page 27 for Waveform. 4-9. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 42 for IC Block Diagrams. (Page 30) L5 C39 L6 C66 IC12 C65 R130 TP17 D8 R129 R119 TP39 IC B/D R152 IC4 C114 R67 IC15 C63 R137 C93 R109 R111 R115 R113 R116 CN6 L4 C61 C59 C57 TP58 TP57 C56 C55 R69 R144 R85 R84 R83 R82 R81 R70 R68 TP18 TP28 R102 TP30 C42 TP32 IC11 R103 R86 R87 R139 R140 R141 R142 R143 R88 R89 TP72 R127 TP2 R104 R105 TP4 R131 R123 R122 IC5 C54 TP48 TP51 C53 TP52 C82 TP84 TP85 TP86 TP75 R124 R136 R121 R120 R125 R75 IC13 R92 C75 C51 C89 IC B/D TP53 TP74 TP73 TP59 TP40 X2 BP15 C79 TP54 C112 R91 C101 BP16 R90 R117 TP13 C49 CN7 D5 SW4 R133 R36 TP76 TP77 TP78 TP79 TP80 TP81 TP82 TP83 R138 TP34 TP36 TP38 TP43 TP44 TP45 TP46 TP47 SW1 SW2 IC10 D4 D6 R134 SW3 C72 R132 TP35 D2 D7 IC14 M3 TP37 R135 CN4 Note: • Voltage is dc with respect to ground under no-signal conditions. no mark : CD PLAY : Impossible to measure ∗ 31 31 (Page 36) MEX-5DI • Refer to page 27 for Waveform. 4-11. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 43 for IC Block Diagrams. R377 CN101 C370 R321 C369 C338 R378 R379 R384 C327 R322 C400 C407 C328 C330 R329 C331 R330 R305 C337 IC309 C102 IC302 IC310 IC303 IC304 C110 R325 R336 R337 CN301 C105 C103 R104 C340 C461 R319 R356 C362 R326 R332 R338 R339 R323 R103 R381 R382 R385 R380 C398 C329 R324 C335 C332 C339 D461 C462 R328 R317 R357 C363 C360 C463 R331 C356 C399 R351 R352 C361 TUX101 L101 R101 Q351 C106 R102 C107 C104 C326 C307 C309 C310 C312 C101 C316 IC307 R349 Q101 D141 R121 C121 R105 D142 C108 D101 R122 C123 C125 C122 X101 C109 D102 C150 C354 C355 R353R358 Q142 C357 R304 C149 C318 C358 C359 C306 R149 C127 R123 C353 R148 R354 CN302 C364 R310 R311 R312 D351 R313 R314 IC301 R125 R359 Q352 (Page 35) R318 Q141 IC101 C142 C141 C143 R144 R142 R143 IC102 R301 C146 C303 C302 C305 R303 C301 R145 IC B/D R302 C319 C322 C323 C324 C325 R147 C148 C304 C308 R306 C311 C147 R124 C124 C126 C128 C144 C145 R146 R307 IC B/D (Page 36) Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM ( ) : AM/MW/LW 34 34 R308 R309 R350 R141 C130 C317 C315 (Page 35) MEX-5DI 4-12. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — R451 Q451 R455 C465 R456 C466 R457 C467 R458 C468 CN451 R452 Q452 R453 Q453 CN303 C374 C373 C371 R454 Q454 C372 (Page 34) C464 CN402 FAN961 Q865 R421 R866 R366 Q862 R862 Q864 Q866 Q867 Q364 C366 D362 R861 D366 Q363 R368 R863 R864 R369 Q861 C367 R877 C863 R872 R875 C872 R867 Q871 Q863 C864 D861 CN401 R874 R868 C862 C861 Q872 R871 R865 D862 Q873 C871 R873 C873 C411 R876 R416 R420 R410 R412 (Page 34) D402 Q401(1/2) TH401 C406 R418 Q404 D406 R405 Q406 (Page 36) C404 R407 R406 C409 D407 C408 R417 R401 R402 R411 Q403 R404 F901 L401 Q405 R409 R413 D405 TH402 Q401(2/2) C402 R408 D401 C401 R403 R414 R415 C403 Q402 R419 (Page 37) Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM 35 35 MEX-5DI • Refer to page 27 for Waveforms. 4-13. SCHEMATIC DIAGRAM — MAIN SECTION (3/4) — • Refer to page 45 for IC Block Diagrams. (Page 34) (Page 35) Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM ( ) : AM/MW/LW < > : CD PLAY CN902 Q202 Q204 R204 Q901 BZ901 R910 D201 C212 C209 C215 Q206 L501 R524 C206 R572 D363 C218 C210 R591 R547 R593 R541 R544 R546 R592 R538 R540 D511 R534 R535 Q506 C217 R536 R594 R208 IC202 R531 R201 C516 R532 C203 R527 D510 FB201 C205 R525 R526 CN201 C513 C213 R588 R553 R518 R571 R559 R595 R215 R596 R560 R214 R561 R587 D512 (Page 31) R562 R563 R218 R202 C202 R848 C506 R564 R565 D514 C204 R512 C503 TH501 R598 Q503 R586 (Page 37) R551 R507 R597 D501 C521 Q502 R205 R589 IC501 C524 R506 R505 R552 D513 C501 R504 Q501 R502 R554 R573 R574 D503 R520 C502 R501 Q201 R555 R556 R508 R509 R517 R550 X502 C517 R514 R203 D505 C510 C509 R557 R566 R570 C512 R545 R213 R212 R542 R543 R523 C507 C508 R522 R503 C511 R537 R539 C514 X501 Q207 R533 C216 C523 C522 D202 C515 C504 Q205 C214 C208 C518 R515 R206 C211 C201 R575 R511 R513 Q203 R529 R583 IC201 R528 R530 D508 R582 R581 C519 D509 R590 C207 R909 Q504 R216 R217 D608 R603 D703 IC B/D R602 D603 R708 R710 R701 IC601 TH601 R604 S601 D701 Q603 C705 R704 D502 D607 S602 IC B/D IC B/D IC702 IC703 IC704 M601 R580 IC701 D506 D702 D507 CN601 R605 Q604 C701 R703 D606 Q602 C702 D602 D604 D605 C601 R601 C703 R702 R576 C603 C708 R706 BP701 C704 IC502 R707 R705 R709 C706 R711 36 R712 C707 R714 36 R715 C710 C712 C713 C714 C716 C715 R577 D504 CN701 MEX-5DI • Refer to page 27 for Waveform. 4-14. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 45 for IC Block Diagrams. (Page 35) CN901 Q913 R842 Q811 R837 C837 C833 C829 C838 C851 R917 C853 Q812 IC B/D C846 R916 R851 C852 D852 R834 C828 R914 R840 C836 Q809 Q851 D851 R839 TP901 R918 R829 L806 C822 R824 R919 IC913 L807 R827 Q911 Q912 TP904 C913 C820 TP905 C819 Q808 TP906 R817 R815 C826 C813 R812 TP903 Q810 IC801 R841 TP902 D803 C904 C821 TP907 R816 R819 TP908 D801 R810 Q802 R808 R807 R849 Q815 R809 R804 R911 IC916 R941 R803 C803 R801 C804 C801 L801 R920 IC914 C802 C805 R946 R921 R802 L802 L803 (Page 39) Q801 C916 R922 C919 (Page 36) R923 R940 IC915 L804 R835 Q804 TP912 R836 R939 R822 R830 Q803 C817 C827 R938 TP914 C834 C809 C823 C917 Q813 C847 C806 R844 Q814 L810 IC802 R935 L809 R833 C840 R818 R843 R831 C824 C818 C835 R814 C815 R811 C811 R832 Q805 R838 R823 R826 C825 D802 C842 C830 D911 IC918 R925 Q914 D912 R847 D804 R845 R924 C915 C841 IC B/D Q807 R846 C902 R926 C914 C843 FB901 R915 R945 C901 R828 R813 R901 C808 R805 R820 C814 L805 R806 R825 R902 C832 X901 L808 R903 IC901 C903 D902 R905 Q806 R908 R904 R906 R907 Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM ( ) : AM/MW/LW < > : CD PLAY 37 37 MEX-5DI 4-16. SCHEMATIC DIAGRAM — DISPLAY SECTION — • Refer to page 45 for IC Block Diagram. L201 R200 C202 R203 R218 BL201 CN200 IC200 R202 C211 IC202 R227 R293 C207 D200 C200 T200 Q206 R272 R234 R221 C220 R268 R296 Q200 R201 C201 R219 C205 C209 TH200 R298 R222 Q201 CN202 Q207 C256 C255 C249 Q202 Q203 C247 D219 RA205 R248 R251 C235 C248 R216 R273 R274 RA210 RA209 R244 R275 R276 R277 R278 R279 IC207 C233 LCD201 RA208 R242 RA207 R280 R281 R282 R283 C246 R284 R260 R241 L202 R259 RA206 R285 R286 C250 R287 R247 R288 (Page 37) C236 C231 C237 R254 R289 D212 D210 IC B/D R217 R220 L200 D202 D218 R223 C214 D204 R230 C219 R229 R231 IC206 C227 D215 R224 R236 R228 C226 R232 R238 FB903 R237 C224 C216 D213 IC203 R225 D214 C221 D201 C212 C229 C217 D208 IC204 C230 C222 R250 D203 C215 C204 C218 C208 C223 D211 S209 RV402 R246 R214 S200 R213 R212 S201 C238 C234 R226 C225 C254 R211 S202 R210 S203 R209 S204 R208 S205 S206 R249 R206 S207 R205 S208 39 C239 C245 R252 Q205 R207 C244 C240 C228 R243 C210 R270 R239 D216 C206 R271 IC208 R253 D217 C213 IC209 R240 C232 IC201 C253 R245 R233 R269 IC205 D207 C252 IC210 Q204 C251 CN201 R255 R204 Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM S210 39 MEX-5DI • IC BLOCK DIAGRAMS IC2 CXA2581N-T4 IC3 NJM12902V (TE2) XOE XCAS D2 D3 D0 D1 XWE XRAS A11 A10 DVDD A0 A1 A2 A3 AVDD2 LOUT2 AIN2 AOUT2 AVSS2 AVSS1 AOUT1 AIN1 LOUT1 AVDD1 XVSS XTAO XTAI XVDD BCKI IC1 CXD3027R 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 XOE XCAS D2 D3 D0 D1 XWE XRAS A11 A10 DVDD A0 A1 A2 A3 AVDD2 LOUT2 AIN2 AOUT2 AVSS2 AVSS1 AOUT1 AIN1 LOUT1 AVDD1 XVSS XTAO XTAI XVDD BCKI RW/ROM A – + B OUT 1 14 OUT -IN 2 13 -IN +IN 3 12 +IN +V 4 11 GND +IN 5 10 +IN -IN 6 9 -IN OUT 7 8 OUT 30 DC OFST 29 RFDCI – + 28 RFDCO C ASYMMETRY CORRECTOR SDTI SCSY SCOR SBSO EXCK SDTO XLAT CLOK SENS XSOE R4M VIBRATION MEMORY CONTROLLER + COMPRESSION EXPANDER DIGITAL CLV CPU INTERFACE SERVO AUTO SEQUENCER SYSM AMUTE HPL HPM HPR PCMDI LRCKI BCKI DAC SIGNAL PROCESSOR BLOCK MEMORY CONTROLLER, BUS BOOST BLOCK D GND AOUT1 AIN1 LOUT1 LPF SYSM SDTO XLAT CLOK SENS SCLK XSOE ATSK R4M LOUT2 AIN2 AOUT2 LPF ATSK SCLK SSTP COUT SERVO BLOCK SERVO INTERFACE MIRR DFCT FOK LD 1 PD 2 27 VC EQ IN 3 EQ APC AMP RW/ROM BCK PCMDI PCMD LRCKI LRCK DOUT VDD2 WFCK C2PO GFS XPCK XUGF WDCK VSS2 XTSL AVDD3 ASYO ASYI BIAS RFAC AVSS3 CLTV PCO FILI FILO VCTL VPCO VC A B AC SUM 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 BCK PCMDI PCMD LRCKI LRCK DOUT VDD2 WFCK C2PO GFS XPCK XUGF GRSCOR(WDCK) VSS2 XTSL AVDD3 ASYO ASYI BIAS RFAC AVSS3 CLTV PCO FILI FILO VCTL VPCO VC FE SE GND A B C D 26 RFC 25 VFC 24 BST FOCUS PWM GENERATOR TRACKING SERVO TRACKING PWM GENERATOR SLED SERVO SLED PWM GENERATOR A B C D VOFST – + VCC 22 VCC 21 CEI – + 20 CE D VC RW/ROM 19 TE BAL GM F 11 GM RWSW 12 APC-OFF (Hi-Z) RW/ROM (H/L) – + 18 TE VC RW/ROM RW/ROM DVCC 13 B DVC DVC 14 D A 17 FEI VOFST – + – + C DVC VC RW/ROM RFAC 15 FRDR FFDR TRDR TFDR SRDR SFDR 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 40 23 RFG DVC A B C D 6 7 8 9 E 10 AVDD0 IGEN AVSS0 RFDC E F A VDD 5 B C RFAC VCA RW/ROM A GND SERVO DSP FOCUS SERVO RFAC SUMMING AMP 4 A PWM GENERATOR A/D OP AMP ANALOG SWITCH CONVERTER VOFST VC FOK DFCT MIRR MDP MDS SSTP SFDR SRDR TFDR TRDR FFDR FRDR VSS1 IGEN RFDC E F B A VC RW/ROM EQ ON/OFF D VDD SCSY SCOR VSS0 SBSO EXCK PWMI LOCK MDP DVC VCC DOUT XOE XCAS XWE XRAS XQOK XWIH XEMP XRDE XWRE D0 – D4 A0 – A11 DIGITAL PLL VDD0 COUT MIRR DFCT FOK PWMI LOCK HPR HPM HPL VDD1 A9 A8 A7 DVSS A6 A5 A4 XWRE XRDE XEMP XWIH XQOK AMUTE SDTI VC BCK PCMD LRCK VDD0 COUT MIRR DFCT FOK PWMI LOCK TEST1 TEST2 TEST3 VDD1 C176 MDP MDS SSTP SFDR SRDR TFDR TRDR FFDR FRDR VSS1 TEST TES1 AVDD0 IGEN AVSS0 RFDC CE TE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DIGITAL OUT 32K RAM SUB CODE PROCESSOR FILO FILI PCO CLTV XPCK A9 A8 A7 DVSS A6 A5 A4 XWRE XRDE XEMP XWIH XQOK AMUTE SQSO XQCK SCSY SCOR VSS0 SBSO EXCK XRST SYSM SDTO XLAT CLOK SENS SCLK XSOE ATSK R4M SELECTOR D/A INTERFACE EFM DEMODULATOR DVC VC – + DVC ERROR CORRECTOR CLOCK GENERATOR RFAC BIAS ASYI ASYO C2PO WDCK WFCK GFS XUGF MDS XTAO XTAI XTSL VCTL VPCO D 40 16 FE MEX-5DI IC8 BH6518FS-E2 GND 1 32 CAPA- CHARGEPUMP & OSC VG VG 2 31 CAPA+ IN4R 3 PREDRIVE PREDRIVE 30 FRDR INTERFACE IN4F 4 INTERFACE 29 FFDR 28 VM2 27 OUT2F PGND4 7 26 PGND2 OUT4R 8 VM34 9 OUT3R 10 25 OUT2R 24 VM12 23 OUT1R PGND3 11 22 PGND1 OUT3F 12 VM3 13 21 OUT1F 20 VM1 PREDRIVE PREDRIVE VM4 5 OUT4F 6 IN3F 14 INTERFACE 19 TFDR INTERFACE IN3R 15 PSB 16 18 TRDR PSB VDD 17 VDD TSD IC6 MSM51V17400D-10TK-FS ON CHIP VBB GENERATOR VCC 1 26 VSS DQ1 2 DQ2 3 25 DO3 24 DO2 INPUT BUFFER OUTPUT BUFFER WE 4 RAS 5 TIMING GENERATOR TIMING GENERATOR NC 6 23 CAS COLUMN ADDRESS BUFFERS A10 A0 A1 A2 A3 8 9 10 11 12 WRITE CLOCK GENERATOR 22 OE COLUMN DECORDERS 21 A9 INTERNAL ADDRESS COUNTER REFRESH CONTROL CLOCK SENS AMPLIFIERS ROW DECODERS WORD DRIVERS MEMORY CELLS I/O SELECTOR 19 18 17 16 15 A8 A7 A6 A5 A4 14 VSS VCC 13 ON CHIP VBB GENERATOR 41 MEX-5DI VSSX X0 X1 VDDX(2.5V) CKI,ACKO VDDP VCOI PDO VSSP IO7 IO6 IO5 VDD(2.5V) IO4 IO3 IO2 IC5 CXD9684R-004 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 TIMING GENERATOR /RESET 1 VCO DIT PROG. START GENERAL INPUT PORT 48 VSS MIMD 2 INSTRUCTION DECODER AD0 3 INTERRUPT CONTROL X-BUS 45 AD15 44 AD16 XRAM 4k WORD MICK 6 (I2C SCL) 43 WR YRAM 4k WORD 42 AD14 FLAG AD2 7 CROM AKWORD REGISTER X0•X1•X2 Y0•Y1•Y2 VDDT(3.3V) 8 40 VSS MY Y-POINTER REGISTER MZ AX A2 ALU AY A3 38 AD6 37 AD7 C-POINTER REGISTER SDIO 12 39 PO7 GENERAL OUTPUT PORT A1 ROUND & LIMIT AD4 11 MAC BCKIA 13 LRCKIA 14 41 AD13 ERAM 2k WORD ADDRESS CALC. 2SETS AUDIO I/F AD3 10 MX A0 X-POINTER REGISTER ROUND & LIMIT SDD 9 36 AD8 35 VDDT(3.3V) BUS SWITCH AD5 15 34 AD9 DAC DAC CE 16 42 46 IO0 TIMER MIDIO 5 (I2C SDA) PROGRAM CONTROL Y-BUS PRAM 256WORD MICROCOM I/F AD1 4 I-BUS PROM 4kx2+2k =10kWORD 40bit I/FSRAM 47 IO1 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 OE VDD(2.5V) STANBY VSS(2.5GND) VSSL(2.5GND) VRAL LO VDAL(2.5V) VDAR(2.5V) RO VRAR VSSR(2.5GND) TESTP CKS AD12 AD11 33 AD10 MEX-5DI IC4 W24L010AT-12-EL15 A4 16 A5 15 A6 14 A7 13 A12 12 A14 11 A16 10 NC 9 VDD 8 A15 7 CS2 6 WE 5 A13 4 A8 3 A9 2 A11 1 29 IO8 30 CS1 31 A10 32 OE CONTROL DECODER CORE ARRAY DATA I/O 17 A3 18 A2 19 A1 20 A0 21 22 23 24 DQ1 DQ2 DQ3 GND 25 IO4 26 IO5 27 IO6 28 IO7 LVIN CIN SCOUT VREF MPX VSSA VDDA AFIN MAD PSWN IC101 SAA6588T/V2 20 19 18 17 16 15 14 13 12 11 PAUSE DETECTOR POWER SUPPLY & RESET MULTI PATH DETECTOR 57kHz 8th ORDER BAND-PASS FILTER CLOCKED COMPARATOR SIGNAL QUALITY DECODER 4 5 CLOCK RDS/RDBS DEMODULATOR RDS/RDBS DECODER 4 CLOCK INTERFACE REGISTER DATA DATA OSCILLATOR & CLOCK 1 2 3 4 5 6 7 8 9 10 TCON OSCO OSCI VSSD VDDD DAVN SDA SCL IIC BUS SLAVE TRANSCEIVER MRO MPTH TEST CONTROL 43 MEX-5DI OUTLF OUTLR OUTRF OUTRR OUTSW SAOUT 33 32 31 30 29 28 27 26 25 24 23 ACINL MIXINLF MIXINLR MIXINRR MIXINRF IC301 TDA7406T MIXER SOFT STEP FADER SOFT STEP FADER SOFT STEP FADER MONO FADER CREF SUPPLY 22 VDD 21 SACLK 20 SCL SUB WOOFER FILTER 19 SDA OUTPUT SELECTOR 18 DGND SWIN 34 ACINR 35 17 SM ACOUTR 36 SWACOUT 37 AC OUTL 38 IIC-BUS 16 QUAL QUAL. HIGH PASS A/D 7BAND EQUALIZER DIGITAL CONTROL CREF 39 HIGH OUT PULSE FORMER S&H SOFT STEP VOLUME 25kHz LP AM/FM NOISE BLANKER SOFT MUTE LOUDNESS BEEP IN GAIN + AUTO ZERO MULTI PATH DETECTOR DEMODULATOR +STEREO ADJUST +STEREO BLEND SPECTRUM ANALIZER 15 MP OUT 14 MP IN PILOT CANCELLATION PIL, DET 13 LEVEL PAUSE PLL MAIN SOURCE SELECTOR CDL CDR MDR MDL XR L 40 41 42 43 44 MIXING SELECTOR INPUT MULTIPLEXER 86kHz LP STD IN GAIN 44 1 2 3 4 5 6 7 8 9 10 11 XR R AUX R PD– AUX L PAUSE PHONE TIM NAVI AM/MPX2 AMIF CMPX 12 MPX1 MEX-5DI IC601 BA8270F BUS ON 1 BUS ON SWITCH IC702 LB1930M IC703 LB1930M 14 VCC VCC 1 NC 2 RST 2 RESET SWITCH BATT 3 BATTERY SWITCH 13 12 11 10 10 NC BUFFER FIN 3 RESET BUS ON CLK IN BU IN CONTROL CIRCUIT RIN 4 MOTOR DRIVE CIRCUIT 9 OUT1 8 NC 7 OUT2 BUFFER 6 PGND SGND 5 CLK 4 VREF 5 DATA 6 9 DATA IN GND 7 8 DATA OUT REFO SCP INA2 INB2 FB2 DTC2 OUT2 VCC IC801 TL1451ACDB IC802 TL1451ACDB 16 15 14 13 12 11 10 9 VERF. +2.5V VCC – + REFERENCE VOLTAGE +2.5V VERF SHORT CIRCUIT PROTECTION COMPARATOR + + – VERF VERF S R LATCH R U.V.L.O PWM COMPARATOR1 + – 6 7 8 OUT1 GND 5 FB1 GND 4 INB1 ERROR AMP1 3 INA1 RT 2 DTC1 TRIANGLE OSCILLATOR CT OUTPUT2 OUTPUT1 VREF/2 1 PWM COMPARATOR2 ERROR AMP2 IC206 RRX9000-0601#1 L IN 16 GND A 15 INPUT SLAGE V IN 14 GND LNS C VCO NC 12 11 10 9 V AGC 13 320kHz 320kHz /500kHz NOISE SUPPRESSION PULSE COUNTER AGC PULSE FORMER BANDGAP REFERENCE 1 2 L IN GND L 3 V STBY 4 VCC 5 NC 6 NC 7 VPO 8 NC 45 ">

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Key features
- CD Playback
- FM/AM (or MW/LW) Radio
- Multiple Audio Inputs/Outputs
- Bass and Treble Controls
- Loudness Control
- Subwoofer Output
Frequently asked questions
87.5-107.9 MHz (US, Canadian Model); 87.5-108.0 MHz (AEP, UK, E Model)
95 dB
MG-550T-156
12 V DC car battery (negative ground)
Approx. 178 x 50 x 178 mm (US, Canadian Model) or Approx. 182 x 53 x 157 mm (AEP, UK, E Model)