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Sony MDX-C7900, Service Manual

The Sony MDX-C7900 Operating Instructions Manual is a comprehensive guide for maximizing the potential of this high-performance car audio system. It provides step-by-step instructions, troubleshooting tips, and detailed explanations. Download this manual for free from our website and unlock the full potential of your Sony MDX-C7900.

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– 77 –

R501

1-216-821-11 METAL CHIP

1K

5%

1/16W

R502

1-216-821-11 METAL CHIP

1K

5%

1/16W

R503

1-216-821-11 METAL CHIP

1K

5%

1/16W

R504

1-216-821-11 METAL CHIP

1K

5%

1/16W

R505

1-216-821-11 METAL CHIP

1K

5%

1/16W

R506

1-216-845-11 METAL CHIP

100K

5%

1/16W

R507

1-218-708-11 METAL CHIP

4.7K

0.50% 1/16W

R510

1-216-845-11 METAL CHIP

100K

5%

1/16W

R512

1-216-845-11 METAL CHIP

100K

5%

1/16W

R516

1-216-809-11 METAL CHIP

100

5%

1/16W

R517

1-216-809-11 METAL CHIP

100

5%

1/16W

R518

1-216-809-11 METAL CHIP

100

5%

1/16W

R519

1-216-809-11 METAL CHIP

100

5%

1/16W

R520

1-216-809-11 METAL CHIP

100

5%

1/16W

R521

1-216-809-11 METAL CHIP

100

5%

1/16W

R522

1-216-821-11 METAL CHIP

1K

5%

1/16W

R523

1-216-821-11 METAL CHIP

1K

5%

1/16W

R524

1-216-821-11 METAL CHIP

1K

5%

1/16W

R525

1-216-845-11 METAL CHIP

100K

5%

1/16W

R526

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R527

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R528

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R529

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R530

1-216-825-11 METAL CHIP

2.2K

5%

1/16W

R531

1-216-845-11 METAL CHIP

100K

5%

1/16W

R532

1-216-864-11 METAL CHIP

0

5%

1/16W

R533

1-216-845-11 METAL CHIP

100K

5%

1/16W

R534

1-216-845-11 METAL CHIP

100K

5%

1/16W

R535

1-216-845-11 METAL CHIP

100K

5%

1/16W

R536

1-216-864-11 METAL CHIP

0

5%

1/16W

R537

1-216-809-11 METAL CHIP

100

5%

1/16W

R538

1-216-845-11 METAL CHIP

100K

5%

1/16W

R540

1-216-845-11 METAL CHIP

100K

5%

1/16W

R542

1-216-845-11 METAL CHIP

100K

5%

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R545

1-216-864-11 METAL CHIP

0

5%

1/16W

< CONPOSITION CIRCUIT BLOCK >

RB301

1-233-576-11 RES, CHIP NETWORK 100

RB302

1-233-576-11 RES, CHIP NETWORK 100

RB503

1-233-412-11 RES, CHIP NETWORK 1.0K (3216)

< THERMISTOR >

TH501

1-810-421-11 THERMISTOR NTH5G36B103K01TE

< VIBRATOR >

X301

1-767-429-21 VIBRATOR, CRYSTAL (22.5792MHz)

X501

1-760-365-11 VIBRATOR, CERAMIC (10MHz)

************************************************************

MISCELLANEOUS

***************

13

1-776-207-71 CORD (WITH CONNECTOR) (POWER) (C7900)

13

1-776-527-71 CORD (WITH CONNECTOR) (ISO) (POWER)

(C7900R)

151

1-654-693-11 SENSOR FLEXIBLE BOARD

0

169

8-583-037-02 OPTICAL PICK-UP KMS-241A/J2RP

F1

1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A)

M901

A-3301-407-A MOTOR ASSY, SP (SPINDLE)

M902

A-3291-190-A MOTOR ASSY, SL (SLED)

M903

A-3291-191-A MOTOR ASSY, LO (LOADING)

************************************************************

**************

HARDWARE LIST

**************

#1

7-621-772-10 SCREW +B 2X4

#2

7-685-792-09 SCREW +PTT 2.6X6 (S)

#3

7-685-794-09 SCREW +PTT 2.6X10 (S)

#4

7-685-106-19 SCREW +P 2X10 TYPE2 NON-SLIT

#5

7-685-851-04 SCREW +BVTT 2X4 (S)

#6

7-624-102-04 STOP RING 1.5, TYPE-E

#7

7-627-852-37 PRECISION SCREW +P 1.7X1.8 TYPE3

#8

7-621-772-08 SCREW +B 2X3

#9

7-621-555-10 SCREW +K 2X3

#10

7-627-554-07 SCREW,PREP 2X2.2

************************************************************

ACCESSORIES & PACKING MATERIALS

********************************

1-473-067-71 REMOTE COMMANDER (RM-X4S)
3-012-070-01 LABEL (SOUND) (2) (for RM-X4S)
X-3373-617-1 CASE ASSY (for FRONT PANEL)
3-862-552-11 MANUAL, INSTRUCTION

(ENGLISH, SPANISH, CHINESE) (C7900: E)

3-862-552-21 MANUAL, INSTRUCTION

(ENGLISH, SPANISH, SWEDISH, PORTUGUESE)

(C7900R: AEP, UK)

3-862-552-31 MANUAL, INSTRUCTION

(FRENCH, GERMAN, DUTCH, ITALIAN)

(C7900R: AEP)

3-862-552-41 MANUAL, INSTRUCTION (GERMAN)

(C7900R: German)

3-862-552-51 MANUAL, INSTRUCTION (ENGLISH)

(C7900: US, Canadian)

3-862-552-61 MANUAL, INSTRUCTION (FRENCH)

(C7900: Canadian)

3-862-553-11 MANUAL, INSTRUCTION, INSTALL

(ENGLISH, SPANISH, CHINESE) (C7900: E)

3-862-553-21 MANUAL, INSTRUCTION, INSTALL

(ENGLISH, SPANISH, SWEDISH, PORTUGUESE)

(C7900R: AEP, UK)

3-862-553-31 MANUAL, INSTRUCTION, INSTALL

(FRENCH, GERMAN, DUTCH, ITALIAN)

(C7900R: AEP, German)

3-862-553-41 MANUAL, INSTRUCTION, INSTALL

(ENGLISH, FRENCH) (C7900: US, Canadian)

************************************************************

PARTS FOR INSTALLATION AND CONNECTIONS

***************************************

501

3-009-613-21 FRAME

502

3-932-910-11 COLLAR (CDX)

503

3-924-961-01 SUPPORT (ND), FITTING

(C7900: US, Canadian)

504

X-3370-076-1 SCREW ASSY (U.KEY), FITTING

(C7900: US, Canadian)

505

X-3370-077-1 SCREW ASSY (AE.KEY), FITTING

(C7900: E/C7900R)

506

X-3373-432-1 BRACKET ASSY (for RM-X4S)

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

SERVO

The components identified by
mark 

0

 or dotted line with

mark 

0

 are critical for safety.

Replace only with part num-
ber specified.

Les composants identifiés par une
marque 

0

 sont critiques pour la

sécurité.
Ne les remplacer que par une pièce
portant le neméro spécifié.

Summary of Contents for MDX-C7900

Page 1: ... Base Mechanism Type MG 164KT 138 Optical Pick Up Name KMS 241A J2N SPECIFICATIONS MDX C7900 C7900R Refer to RM X4S Service Manual 9 925 698 issued previously for information of remote commander RM X4S supplied with this set Photo MDX C7900 Continued on next page 9 925 787 12 Sony Corporation 2001H0500 1 e Vehicle Company C 2001 8 Shinagawa Tec Service Manual Production Group Ver 1 1 2001 08 ...

Page 2: ... Tuner Section 18 5 DIAGRAMS 5 1 Block Diagram SERVO Section 21 5 2 Block Diagram MAIN Section 23 5 3 Block Diagram DISPLAY KEY CONTROL Section 25 5 4 Block Diagram BUS CONTROL POWER SUPPLY Section 27 5 5 Printed Wiring Boards MECHANISM DECK Section 29 5 6 Schematic Diagram MECHANISM DECK Section 31 5 7 Schematic Diagram MAIN Section 35 5 8 Printed Wiring Board MAIN Section 39 5 9 Printed Wiring B...

Page 3: ...É DE FONCTIONNEMENT NE REMPLACER CES COM POSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK OR DOTTED LINE WITH MARK ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN...

Page 4: ... 4 SECTION 2 GENERAL This section is extracted from instruction manual ...

Page 5: ... 5 ...

Page 6: ... 6 ...

Page 7: ... 7 ...

Page 8: ... 8 ...

Page 9: ... 9 ...

Page 10: ... 10 ...

Page 11: ... 11 ...

Page 12: ... 12 ...

Page 13: ...B ASS Y Note Follow the disassembly procedure in the numerical order given SECTION 3 DISASSEMBLY 1 Push the button release 2 3 Remove the front panel of the arrow 3 four screws PTT2 6 6 3 screw PTT2 6 6 1 1 2 cover ass y 4 panel sub ass y ...

Page 14: ...SM DECK MG 164KT 138 MAIN BOARD 1 two screws PTT2 6 4 2 mechanism deck MG 164KT 138 5 insulating sheet 4 main board 3 three screws PTT2 6 6 ground point 1 two screws PTT2 6 10 2 heat sink 1 eight screws PTT2 6 10 ...

Page 15: ...two screws BVTT2 4 2 flexible board CN103 4 servo board 3 spring FL2 1 four screws BVTT2 4 Release of the lock float block A 5 Pushing an arrw A part raise the float block up ward at the front to release a lock 3 spring FL2 2 MD cover ass y 4 two springs FL lever lock R lever lock L ...

Page 16: ...SS Y 4 washer M 5 holder ass y 1 spring CHKG 2 stop ring E 1 5 3 lever lock R 3 lever lock L 2 stop ring E 1 5 1 spring CHKG 6 bearing SL 5 feed screw ass y 3 screw K2 3 2 shaft SL2 1 two screws K2 3 7 optical pick up KMS 241A J2N 4 screw B2 3 ...

Page 17: ...SENSOR BOARD 1 Remove the solders of motor M901 M902 M903 3 sensor board 2 two screws 2 8 8 base SL 7 screw B2 3 6 motor ass y M902 5 bracket SL 4 screw P1 7 1 8 screw P2 2 2 motor ass y M903 0 motor ass y M901 9 two screws P1 7 1 8 ...

Page 18: ...en the tuner unit is defective replace it by a new one be cause its internal block is difficult to repair 3 Adjust with the volume RV2 on TU1 so that the FM indica tion turns to FM0 indication on the display window But in case of already indicated FM0 turn the RV2 so that put out light 0 indication and adjustment Display 1 MDX C7900R is indicates 98 00 Adjustment Location See page 20 FM Stereo Sep...

Page 19: ...cation turns to AM0 or MW0 indication on the dis play window But in case of already indicated AM0 or MW0 turn the RV1 so that put out light 0 indication and adjustment Display 2 MDX C7900R is indicates MW 3 MDX C7900R is indicates 999 Adjustment Location See page 20 19 20 AM RF signal generator Carrier frequency 1000 kHz MDX C7900 999 kHz MDX C7900R 30 amplitude modulation by 1 kHz signal Output l...

Page 20: ...LER ATRAC ENCODER DECODER PLL FILTER 59 58 61 60 FILI PCO CLTV FILO 100 EFMO 23 ADDT IC301 1 2 15 TX COMPA RATOR 51 52 55 ASYO ASYI RFI ADIP DEMODULATOR DECODER 78 ADFG SPINDLE SERVO 79 F0CNT 94 93 SPFD SPRD SUBCODE PROCESSOR 24 SAMPLING RATE CONVERTER DIGITAL AUDIO INTERFACE 22 21 DIN DOUT DIGITAL SIGNAL PROCESSOR EFM ACIRC ENCODER DECODER SHOCK PROOF MEMORY CONTROLLER ATRAC ENCODER DECODER 2M BI...

Page 21: ... CH R CH 14 R CH 15 MUTING Q101 MUTING Q100 MUTING CONTROL SWITCH Q103 R CH 60 AU ATT 55 AMP ATT 56 80 AMP ON 32 57 ILL IN MUTING Q302 MUTING CONTROL SWITCH Q700 R CH R CH POWER AMP IC500 R CH MUTING Q303 LEVEL SHIFT Q500 R CH MUTING Q301 R CH MUTING Q300 R CH R CH 6 5 4 1 7 18 17 DATA BCK LRCK ZERO XTI MUTE DM2 OUTPUT INTERFACE CIRCUIT DIGITAL SIGNAL PROCESSOR INPUT INTERFACE CIRCUIT LEVEL SHIFT ...

Page 22: ...2 VOL VOL D900 J900 REMOTE IN Q801 VLC0 VLC5 GREEN POWER ON 1 DIMMER 3 4 LED DRIVE Q803 CONTRAST SWITCHING Q901 902 AD ON D Page 10 DIMMER LSW801 804 LSW806 821 ROTARY ENCODER EN801 BACKUP 5V CNP801 FRONT PANEL SIDE BZ1 BUZZER CN900 MAIN BODY SIDE LCD 10V LCD 10V BATT 12 12 LSW813 AEP UK model only LSW813 AEP UK model only LSW805 D BASS LED DRIVE Q804 11 6 22 25 X700 3 68MHz X701 32kHz S701 FREQUE...

Page 23: ...OL SWITCH Q906 B SWITCH Q402 403 DC DC CONVERTER IC250 12V REGULATOR Q254 5V REGULATOR Q252 10V REGULATOR Q903 904 BACK LIGHT LAMP DRIVE Q805 807 F1 Q251 5V REGULATOR IC900 COM 8V ELECTRICAL VOLUME IC300 B 05 RST 3 BATT BATTERY SWITCH 10 7 BU IN UNISI 50 UNISO UNICKI MDMON 10 76 36 22 UNI CKO 20 UNI SI 21 UNI SO RAMBU 29 102 90 65 MD ON D702 TH600 D604 D603 D913 3 3V REGULATOR IC401 Q401 B SWITCH ...

Page 24: ... D 5 IC503 D 4 Q301 A 4 Q302 C 1 Q401 D 6 Q402 E 7 Q403 E 7 Note on Printed Wiring Boards z Through hole f internal component b Pattern from the side which enables seeing The other layers patterns are not indicated Caution Pattern face side Parts on the pattern face side seen from Conductor Side the pattern face are indicated Parts face side Parts on the parts face side seen from Component Side th...

Page 25: ...ds Voltages and waveforms are dc with respect to ground under no signal conditions no mark MD Impossible to measure Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path E MD Not...

Page 26: ...component C panel designation U B Line H adjustment for repair Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark FM AM LW MD Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken ...

Page 27: ...02 C 7 Q303 C 7 Q400 C 8 Q401 C 9 Q402 B 8 Q403 B 9 Q500 B 6 Q600 D 3 Q603 D 2 Q700 G 7 Q900 D 4 Q901 K 7 Q902 K 6 Q905 K 10 Q906 J 7 Q991 G 7 Q993 G 5 Ref No Location Ref No Location Semiconductor Location Component Side D1 C 2 D4 C 4 D300 B 5 D301 B 3 D502 B 12 D503 B 8 D509 B 7 D510 B 7 D604 C 13 D700 H 7 D905 K 5 D906 K 5 D908 K 7 D916 K 12 IC201 E 10 IC500 A 7 IC800 E 13 IC900 F 13 Q101 H 4 Q...

Page 28: ... the parts face side seen from Component Side the parts face are indicated 5 10 SCHEMATIC DIAGRAM PANEL Section See page 46 for Waveform Note on 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 C panel designation U B Line Power voltage ...

Page 29: ...45 XWE 44 XRAS 43 A09 42 XCAS 41 XOE 40 DVSS 39 A11 38 A08 37 A07 36 A06 35 A05 34 A04 33 A10 32 A00 31 A01 30 A02 29 A03 28 DVDD 26 XBCK 27 FS256 25 LRCK 24 DADT 23 ADDT 22 DOUT 21 DIN 20 DVSS 19 NC 18 XTSL 17 OSCO 16 OSCI 15 TX 14 XINT 13 RECP 12 DQSY 11 SQSY 10 XRST 9 SENS 8 SRDT 7 XLAT 6 SCLK 5 SWDT 4 MNT3 3 MNT2 2 MNT1 1 MNT0 PWM GENERATOR AUTO SEQUENCER SERVO DSP CPU I F MONITOR CONTROL SPIN...

Page 30: ...6 TE 25 WBLADJ 24 VCC 23 3TADJ 22 EQADJ 21 VREF 20 F0CNT 19 XSTBY 18 XLAT 17 SCLK 16 SWDT 15 TEMPR 14 TEMPI 13 GND 12 APCREF 11 APC 10 PD 9 F 8 E 7 D 6 C 5 B 4 A 3 VC VI CONV BGR VREF SCRI PARA DECODE AUXSW COMMAND IVR GSW IV FF FBAL FF TG SEA 1 2 TG TEA WBL 3T EQ DET ADIP AGC WBL BPF22 BPFC ABCDA FEA WBL ATA CVB RFA1 1 2 1 2 GRVA CFST RFA2 GRV HLPT PTGR 2 1 1 2 BOTTOM PEAK RF AGC EQ EQ DET P P WB...

Page 31: ...INTERFACE AMP INTERFACE AMP AMP INTERFACE PREDRIVE PREDRIVE PREDRIVE PREDRIVE AMP INTERFACE AMP AMP AMP VDD PSB AMP 1 2 3 4 OUT1 VM VCC FIN 8 7 6 5 GND OUT2 VREF RIN CONTROL LOGIC TSD POWER SAVE DRIVER DRIVER 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 24 25 26 A0 A9 SENSE REFRESH AMP INPUT OUTPUT CONTROL SWITCH 4 INPUT BUFFER 4 OUTPUT BUFFER CLOCK OSC COLUMN DECODER MEMORY CELL 41...

Page 32: ... PD VDD FMIN AMIN P2 IFIN SD P4 SCOUT MRO MPTH TCON OSCO OSCI VSSD VDDD DAVN SDA VREF MPX VSSA VDDA AFIN MAD PSWN SCL 2 1 6 15 11 13 16 14 12 INTERFACE REGISTER SIGNAL QUALITY DECODER CLOCKED COMPARATOR POWER SUPPLY RESET TEST CONTROL OSCILLATOR CLOCK PAUSE DETECTOR MULTI PATH DETECTOR 57kHz 8th ORDER BAND PASS FILTER RDS RDBS DECODER RDS RDBS DEMODULATOR IIC BUS SLAVE TRANSCEIVER 17 18 CIN 19 LVI...

Page 33: ...UTE CONTROL MODE CONTROL LRCI BCKI DI CLK VSS RSTN TESTN MUTEN DB DS MOD2 MOD1 OPT VDD LRCO BCKO DOUT 3 4 5 6 7 18 19 20 17 16 15 14 8 9 10 13 12 11 2 1 CLK CONTROL INPUT INTERFACE DIGITAL FILTER 5LEVE DAC LOWPASS FILTER CMOS AMP 5LEVEL DAC LOWPASS FILTER CMOS AMP MODE CONT ROL XTI DGND VDD LRCIN DIN BCKIN ZERO D C R VOUTR AGND VCC VOUTL D C L MODE RSTB MD DM0 MC DM1 ML MUTE CLKO XTO NOISE SHAPER ...

Page 34: ...34 35 36 37 38 39 40 41 42 43 44 LSELO L4 L3 L2 L1 VDD R1 R2 R3 R4 RSELO RVRIN RCOM RT1 RT2 RT3 RTOUT RSIN NC NC RSB1 RSB2 RFIN RFOUT RROUT VSS CL DI CE VREF LROUT LFOUT LFIN LSB2 LSB1 NC NC LSIN LTOUT LT3 LT2 LT1 LCOM LVRIN IC800 BA3918 V3 OVER VOLTAGE PROTECT REGULATOR 1 2 3 4 5 6 7 8 9 10 12 11 NC MODE2 MODE1 STB VDD AMP VCC ANT COM AM FM GND ...

Page 35: ...ion 1 IC204 1 IN PLAY MODE 2 IC204 3 IN PLAY MODE 5 IC301 wh XBCK PLAY MODE 3 IC201 1 LRCL PLAY MODE 4 IC201 2 BCKI PLAY MODE 5 IC202 1 XTI PLAY MODE 6 IC202 4 LRCK PLAY MODE 7 IC202 6 BCK PLAY MODE 0 5 Vp p 0 3 Vp p 1 2 Vp p 3 5 Vp p 23 µs 4 5 Vp p 356 µs 2 7 Vp p 0 1 µs 3 5 Vp p 44 ns 4 5 Vp p 23 µs 3 7 Vp p 356 ns 5 1 Vp p 23 µs 5 2 Vp p 354 ns 3 3 Vp p 88 ns 5 1 Vp p 23 µs 4 9 Vp p 472 ns ...

Page 36: ... 54 9 IC100 1 XI RADIO MODE 0 IC700 od X1 qa IC700 ud X1A PANEL Section 1 IC801 w OSC IN 1 8 Vp p 139 ns 5 6 Vp p 272 ns 5 Vp p 31 µs 2 1 Vp p 5 2 µs 8 IC102 5 OSCI FM MODE 3 8 Vp p 230 ns ...

Page 37: ...ler IC501 15 TX I Recording data output enable signal input terminal Writing data transmission timing input Also serves as the magnetic head on off output Not used fixed at L 16 OSCI I System clock signal 512Fs 22 5792 MHz input from the oscillator circuit 17 OSCO O System clock signal 512Fs 22 5792 MHz output terminal Not used open 18 XTSL I Input terminal for the system clock frequency setting L...

Page 38: ...unt signal ABCD input from the CXA2523R IC302 65 FE I A Focus error signal input from the CXA2523R IC302 66 AUX1 I A Auxiliary signal I3 signal temperature signal input terminal Not used fixed at H 67 VC I A Middle point voltage 1 65V input from the CXA2523R IC302 68 ADIO O A Monitor output of the A D converter input signal Not used open 69 AVDD Power supply terminal 3 3V analog system 70 ADRT I A...

Page 39: ...utput to the BH6511FS IC303 92 SFDR O Sled servo drive PWM signal output to the BH6511FS IC303 93 SPRD O Spindle servo drive PWM signal output to the BH6511FS IC303 94 SPFD O Spindle servo drive PWM signal output to the BH6511FS IC303 95 FGIN I Not used fixed at L 96 TEST1 I 97 TEST2 I Input terminal for the test fixed at L 98 TEST3 I 99 DVSS Ground terminal digital system 100 EFMO O EFM signal ou...

Page 40: ... circuit BPF3T 24 VCC Power supply terminal 3 3V 25 WBLADJ I Center frequency setting terminal for the internal circuit BPF22 26 TE O Tracking error signal output to the CXD2652AR IC301 27 CSLED I Connected to the external capacitor for low pass filter of the sled error signal 28 SE O Sled error signal output to the CXD2652AR IC301 29 ADFM O FM signal output of the ADIP 30 ADIN I Receives a ADIP F...

Page 41: ... H 2M bit internal D RAM of CXD2652AR L 4M bit external D RAM fixed at L in this set 24 25 NCO O Not used open 26 MNT0 I Focus OK signal input from the CXD2652AR IC301 H is input when focus is on L NG 27 MNT1 I Track jump detection signal input from the CXD2652AR IC301 28 MNT2 I Monitor 2 signal input from the CXD2652AR IC301 29 MNT3 I Monitor 3 signal input from the CXD2652AR IC301 30 RESET I Sys...

Page 42: ...uit H battery on 61 BUS ON I SONY bus on off control signal input from the master controller IC700 L bus on 62 SQSY I Subcode Q sync SCOR input from the CXD2652AR IC301 L is input every 13 3 msec Almost all H is input 63 C SW I Inputs the disc loading start or disc eject completion detect switch S901 detection signal L When start or eject completed of the disc loading operation 64 MD LAT O Serial ...

Page 43: ...fixed at H E model and MDX C7900R fixed at L 29 SYSRET O System reset signal output to the MD mechanism controller IC501 and SONY bus interface IC600 L reset 30 DSTSEL1 I Destination setting terminal US Canadian models and MDX C7900R fixed at L E model fixed at H 31 DMOD1 O D BASS mode control signal output to the SM5852ES IC201 32 TESTIN I Setting terminal for the test mode L test mode normally f...

Page 44: ...decoder IC102 Used for the MDX C7900R only 68 69 NC O Not used open 70 RDS SI I Serial data input from the RDS decoder IC102 Used for the MDX C7900R only 71 RDS CKI I Serial data transfer clock signal input from the RDS decoder IC102 Used for the MDX C7900R only 72 RC IN1 I Rotary remote commander shift key A D input terminal 73 X1A O Sub system clock output terminal 32 kHz 74 X0A I Sub system clo...

Page 45: ...NC O Not used open 102 RAMBU I 103 NC O Not used open 104 LCD CE O Chip enable output to the liquid crystal display driver IC801 105 FLASH W I Fixed at H in this set 106 REIN0 I Rotary encoder EN801 input for volume bass treble balance fader control 107 REIN1 I Rotary encoder EN801 input for volume bass treble balance fader control 108 LAMP ON ILL ON O 109 PW ON O Main system power supply on off c...

Page 46: ...Ref No Part No Description Remark Ref No Part No Description Remark 1 GENERAL SECTION Front panel section MG 164KT 138 2 1 2 2 3 F1 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 13 17 C7900 C7900R 1 3 919 344 51 DOOR MD C7900 1 3 919 344 61 DOOR MD C7900R 2 3 919 343 01 SPRING DOOR TORSION 3 3 023 606 01 PANEL SUB 4 X 3367 636 1 LOCK ASSY 5 X 3373 358 1 CHASSIS ASSY 6 A 3294 393 A MAIN BOARD COMPLETE C...

Page 47: ...BUTTON SOURCE 56 3 023 612 01 KNOB VOL 57 3 023 613 01 KNOB AMS C7900 57 3 023 613 31 KNOB AMS C7900R 58 3 023 615 01 RING LIGHT GUIDE 59 3 023 629 01 BUTTON MODE 60 3 023 616 01 BUTTON SOUND 61 3 023 618 01 PLATE L LIGHT GUIDE 62 3 023 619 01 PLATE R LIGHT GUIDE 63 3 023 610 01 PLATE LCD GROUND 64 3 023 621 01 SHEET LCD 65 3 023 624 01 ILLUMINATOR LCD 66 3 023 609 01 PLATE LCD LIGHT GUIDE 67 3 02...

Page 48: ... 3 919 296 01 SPRING FL TENSION 104 3 921 111 01 SPRING FL2 TENSION 105 3 919 273 01 DAMPER OIL 106 X 3369 444 1 HOLDER ASSY 107 3 919 319 01 SPRING HOLDER 108 3 919 320 01 SPRING SUB HOLDER 109 3 919 436 01 CUSHION EJ 110 3 919 280 01 LEVER LOCK R 111 3 919 281 01 SPRING CHKG 112 X 3369 441 1 COVER ASSY MD 113 3 342 940 01 WASHER M 114 X 3369 445 1 LEVER LE ASSY 115 3 919 274 01 SPRING LE 116 3 9...

Page 49: ...KMS 241A J2RP 170 X 3373 213 1 SCREW ASSY FEED 171 3 919 294 01 BEARING SL 172 3 919 293 01 SHAFT SL 173 3 010 091 01 SPRING SL FEED 174 3 920 537 01 SHAFT SL2 175 3 919 283 01 BRACKET SL 176 3 703 816 32 SCREW M1 4X1 6 SPECIAL HEAD 177 3 924 721 01 SPRING B T 178 2 626 617 01 SCREW 2X8 179 3 701 437 01 WASHER M901 A 3301 407 A MOTOR ASSY SP SPINDLE M902 A 3291 190 A MOTOR ASSY SL SLED M903 A 3291...

Page 50: ...00 DIODE DTZ5 1C D807 8 719 977 00 DIODE DTZ5 1C D808 8 719 978 69 DIODE DTZ TT11 16B D811 8 719 987 45 DIODE CL 155Y PG CD ILLUMINATION D812 8 719 987 45 DIODE CL 155Y PG CD ILLUMINATION D813 8 719 987 45 DIODE CL 155Y PG CD MD WINDOW D814 8 719 987 45 DIODE CL 155Y PG CD ILLUMINATION D815 8 719 987 45 DIODE CL 155Y PG CD ILLUMINATION D816 8 719 987 45 DIODE CL 155Y PG CD ILLUMINATION D817 8 719 ...

Page 51: ...0W R841 1 216 025 00 RES CHIP 100 5 1 10W R842 1 216 048 00 RES CHIP 910 5 1 10W R843 1 216 047 00 METAL CHIP 820 5 1 10W R845 1 216 699 11 RES CHIP 100K 0 5 1 10W R846 1 216 651 11 METAL CHIP 1K 0 5 1 10W R847 1 216 651 11 METAL CHIP 1K 0 5 1 10W R849 1 216 667 11 METAL CHIP 4 7K 0 5 1 10W R850 1 216 667 11 METAL CHIP 4 7K 0 5 1 10W R852 1 216 081 00 METAL CHIP 22K 5 1 10W R853 1 216 069 00 METAL...

Page 52: ...866 11 ELECT 4 7uF 20 35V C106 1 104 946 11 ELECT 10uF 20 35V C107 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C200 1 163 231 11 CERAMIC CHIP 15PF 5 50V C201 1 164 232 11 CERAMIC CHIP 0 01uF 50V C202 1 104 946 11 ELECT 10uF 20 35V C203 1 164 492 11 CERAMIC CHIP 0 15uF 10 16V C204 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C205 1 126 794 11 ELECT 4 7uF 20 25V C206 1 163 235 11 CERAMIC CHIP 22PF 5 50V C20...

Page 53: ...C703 1 163 133 00 CERAMIC CHIP 470PF 5 50V C704 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C705 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C706 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C707 1 164 232 11 CERAMIC CHIP 0 01uF 50V C708 1 163 231 11 CERAMIC CHIP 15PF 5 50V C709 1 163 091 00 CERAMIC CHIP 8PF 0 25PF 50V C800 1 128 428 11 ELECT 10uF 20 35V C801 1 128 428 11 ELECT 10uF 20 35V C802 1 128 428 11 ELECT...

Page 54: ... TL IC900 8 759 496 74 IC TA78DL06S Type A JACK J1 1 764 808 31 JACK ANT FM AM ANTENNA J900 1 566 822 41 JACK REMOTE IN COIL L1 1 412 951 11 INDUCTOR CHIP 10uH L2 1 216 296 00 SHORT 0 L3 1 412 055 11 INDUCTOR CHIP 3 3uH L50 1 412 951 11 INDUCTOR 10uH C7900R L200 1 412 955 11 INDUCTOR 22uH L201 1 412 955 11 INDUCTOR 22uH L202 1 412 955 11 INDUCTOR 22uH L230 1 412 955 11 INDUCTOR 22uH L231 1 412 955...

Page 55: ...6 081 00 METAL CHIP 22K 5 1 10W C7900 E C7900R R106 1 216 033 00 METAL CHIP 220 5 1 10W C7900R German R106 1 216 073 00 METAL CHIP 10K 5 1 10W C7900 E C7900R AEP UK R106 1 216 075 00 METAL CHIP 12K 5 1 10W C7900 US Canadian R107 1 216 295 00 SHORT 0 R109 1 216 089 00 RES CHIP 47K 5 1 10W R111 1 216 073 00 METAL CHIP 10K 5 1 10W R112 1 216 073 00 METAL CHIP 10K 5 1 10W R114 1 216 089 00 RES CHIP 47...

Page 56: ...100 5 1 10W R725 1 216 025 00 RES CHIP 100 5 1 10W R726 1 216 025 00 RES CHIP 100 5 1 10W R727 1 216 049 11 RES CHIP 1K 5 1 10W R728 1 216 049 11 RES CHIP 1K 5 1 10W R729 1 216 025 00 RES CHIP 100 5 1 10W R730 1 216 025 00 RES CHIP 100 5 1 10W R731 1 216 025 00 RES CHIP 100 5 1 10W R732 1 216 025 00 RES CHIP 100 5 1 10W R733 1 216 049 11 RES CHIP 1K 5 1 10W R734 1 216 025 00 RES CHIP 100 5 1 10W R...

Page 57: ... 1uF 10 16V C303 1 162 927 11 CERAMIC CHIP 100PF 5 50V C305 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C306 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C307 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C308 1 162 927 11 CERAMIC CHIP 100PF 5 50V C309 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C310 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C311 1 164 245 11 CERAMIC CHIP 0 015uF 10 25V C314 1 107 826 11 CERAMIC CHIP...

Page 58: ...216 809 11 METAL CHIP 100 5 1 16W R304 1 216 809 11 METAL CHIP 100 5 1 16W R305 1 216 809 11 METAL CHIP 100 5 1 16W R306 1 216 809 11 METAL CHIP 100 5 1 16W R307 1 216 809 11 METAL CHIP 100 5 1 16W R308 1 216 809 11 METAL CHIP 100 5 1 16W R310 1 216 821 11 METAL CHIP 1K 5 1 16W R313 1 216 825 11 METAL CHIP 2 2K 5 1 16W R314 1 216 821 11 METAL CHIP 1K 5 1 16W R315 1 216 809 11 METAL CHIP 100 5 1 16...

Page 59: ...11 SENSOR FLEXIBLE BOARD 0169 8 583 037 02 OPTICAL PICK UP KMS 241A J2RP F1 1 532 877 11 FUSE BLADE TYPE AUTO FUSE 10A M901 A 3301 407 A MOTOR ASSY SP SPINDLE M902 A 3291 190 A MOTOR ASSY SL SLED M903 A 3291 191 A MOTOR ASSY LO LOADING HARDWARE LIST 1 7 621 772 10 SCREW B 2X4 2 7 685 792 09 SCREW PTT 2 6X6 S 3 7 685 794 09 SCREW PTT 2 6X10 S 4 7 685 106 19 SCREW P 2X10 TYPE2 NON SLIT 5 7 685 851 0...

Page 60: ...DX C7900 C7900R 507 1 776 207 71 CORD WITH CONNECTOR POWER C7900 508 3 934 325 01 SCREW K 5X8 TAPPING C7900 509 1 776 527 71 CORD WITH CONNECTOR ISO POWER C7900R 510 1 465 459 21 ADAPTER ANTENNA C7900R 501 502 503 504 505 506 507 508 509 510 ...

Page 61: ...MDX C7900 C7900R 79 MEMO ...

Page 62: ...mp to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 1 2001 08 Supplement 1 Correction 1 are included 1 0 1998 04 Correction 1 1998 03 Supplement 1 1998 02 New ...

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