Sony Ericsson XR-C7500RX manual

SERVICE MANUAL FM/MW/L W CASSETTE CAR STEREO AEP Model UK Model XR-C7500R/C7500RX E Model XR-C7500RX Model Name Using Similar Mechanism XR-C7300/C5300R T ape T ranspor t Mechanism T ype MG-25G-136 SPECIFICA TIONS XR-C7500R/C7500RX Dolby noise reduction man ufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the do[...]

2 T ABLE OF CONTENTS 1. SERVICING NO TES ............................................... 2 2. GENERAL Location of Controls ....................................................... 3 Setting the Clock ............................................................. 3 Installation ....................................................................... 4 [...]

3 SECTION 2 GENERAL This section is e xtracted from instruction manual. 5 Location of controls 1 MENU button 9, 11, 12, 13, 15, 17, 18, 20, 21, 23, 24, 26, 27, 30, 31, 33, 34, 35 2 V olume control dial 3 SOURCE (TUNER/T APE/CD/MD) button 6, 8, 10, 12, 13, 19, 20, 24, 25, 26, 27, 31, 34 4 PRST/DISC +/– (cursor up/down) buttons 8, 9, 11, 12, 13, 15[...]

4 15 cm Installation Precautions • If you mount other Sony equipment with this unit, it is better to mount this unit in the lower position. • There must be a distance of at least 15 cm between the cassettes slot of the unit and shift lever to insert cassette easily . Choose the installation location carefully so the unit does not interfere with[...]

5 Installation in the dashboard Instalaci ó n en el salpicadero Montera p å instrumentbr ä dan Instala çã o no tablier 1 2 3 Fire wall Panel cortafuegos Brands ä ker mellanv ä gg Painel corta-fogo Dashboard Salpicadero Instrumentbr ä da T ablier Bend these claws outward for a tight fit, if necessary . Si es necesario, doble estas u ñ as ha[...]

6 Connections Cautions • This unit is designed for negative earth 12 V DC operation only . • Be careful not to pinch any wires between a screw and the body of the car or this unit or between any moving parts such as the seat railing, etc. • Connect the power connecting cord 8 to the unit and speakers before connecting it to the auxiliary powe[...]

7 6 AMP REM AT T Max. supply current 0.3 A Corriente m á x. de alimentaci ó n de 0,3 A Maximal str ö mtillf ö rsel 0,3 A Corrente m á xima de 0,3 A to the interface cable of a car telephone al cable de interfaz de un tel é fono para autom ó vil till mobiltelefonens gr ä nssnittskabel Ao cabo de interface de um telefone para autom ó vel to [...]

8 (XR-C7500RX: E)[...]

9 Power connection diagram Auxiliary power connector may vary depending on the car . Check your car ’s auxiliary power connector diagram to make sure the connections match correctly . There are three basic types (illustrated below). Y ou may need to switch the positions of the red and yellow leads in the car stereo’s power connecting cord. Afte[...]

10 SECTION 3 DISASSEMBL Y SUB P ANEL ASS’Y MECHANISM DECK (MG-25G-136) Note: Follo w the disassembly procedure in the numerical order gi ven. 4 two claws 1 screw (PTT2.6 × 5) 2 cover 3 screw (PTT2.6 × 6) 6 sub panel ass’y 3 four screws (PTT2.6 × 6) 3 screw (PTT2.6 × 6) 5 flexible flat cable (CN580) 4 claw 3 screw (PTT2.6 × 6) 4 mechanism d[...]

11 MAIN BO ARD HEA T SINK (2P) 2 three ground point screws 3 rubber cap (25) 1 three screws (PTT2.6 × 8) 4 main board 1 three screws (PTT2.6 × 8) 2 two screws (PTT2.6 × 12) 1 three screws (PTT2.6 × 8) 3 heat sink (2P)[...]

12 HOUSING ARM (SUCTION) Note: Follo w the assembly procedure in the numerical order giv en. SECTION 4 ASSEMBL Y OF MECHANISM DECK A par t C par t B par t D par t 8 Hold the hanger by bending the claw . 6 Fit projection on D par t. 4 Fit claw on B part. 3 Put the housing under A par t. 5 Fit projection on C par t. 1 Install the catch to the hanger [...]

13 LEVER (LDG-A) / (LDG-B) GEAR (LDG-FT) shaft A shaft B shaft C 1 Fit the lev er (LDG-A) on shafts A – C and install it. shaft A shaft B 2 Fit the lev er (LDG-B) on shafts A and B and install it. 3 type-E stop ring 2.0 gear (LDG-D) 5 gear (LDG-FT) 6 polyeth ylene washer 2 tension spring (LD-2) 2 tension spring (LD-1) gear (LDG-FB) lev er (LDG-A)[...]

14 GUIDE (C) MOUNTING POSITION OF CAPST AN/REEL MO T OR (M901) 2 guide (C) 1 three claws two precision screws (P2 × 2) capstan/reel motor (M901) 30 ˚[...]

15 SECTION 5 MECHANICAL ADJUSTMENTS • T ape T ension Measurement 1. Clean the following parts with a denatured-alcohol-moistened swab: playback head pinch roller rubber belt capstan idler 2. Demagnetize the playback head with a head demagnetizer . 3. Do not use a magnetized screwdr iv er for the adjustments. 4. After the adjustments, apply suitab[...]

16 Adjustment Location: – SET UPPER VIEW – – SET BO TT OM VIEW – T ape Speed Adjustment Setting: Procedur e: 1. Put the set into the FWD PB mode. 2. Adjust adjustment resistor for inside capstan motor so that the reading on the speed checker or frequency counter becomes in specification. Specif ication: Constant speed Dolby Le vel Adjustmen[...]

17 17 XR-C7500R/C7500RX SECTION 7 DIA GRAMS 7-1. BLOCK DIA GRAM – TUNER/T APE Section – 1 2 FM-ANT AM-ANT 53 VSM AMSIN 32 TUNATT 14 S-METER 10 MPX 8 AM-DET 9 RDSDET 05 MUTING Q22 BUFFER Q50 MUTING Q21 D20 FM/AM TUNER UNIT TUX1 SYSTEM CONTROLLER IC600 (1/4) 17 EEPROM SDL J1 (FM/AM ANTENNA) 5 VCC TUNER VCC 16 VDD TUNER +5V 11 BU 5V 10 52 MPTH 75 [...]

18 18 XR-C7500R/C7500RX 05 H (Page 20) AMPON SYSTEM CONTROLLER IC600 (2/4) CN13 (2/2) AUDIO OUT FRONT AUDIO OUT REAR MUTING Q311 MUTING Q411 MUTING Q331 MUTING Q431 FL+ 1 12 14 5 3 OUT2+ OUT2 – 21 23 OUT4+ OUT4 – IN2 IN4 11 9 7 OUT1+ OUT1 – IN1 15 17 19 OUT3+ OUT3 – IN3 22 MUTE 16 105 15 AC GND 4 STBY CN700 (1/2) (POWER CONNECTOR) POWER AMP[...]

19 19 XR-C7500R/C7500RX LED910 – 915 (LCD BACK LIGHT) (XR-C7500RX) (XR-C7500R) (XR-C7500R) 05 80 REIN1 KEYACK GREEN 79 62 TX 13 85 96 OSC KEYIN1 REIN0 116 115 KEYIN0 X1 X0 X1A X0A RCIN0 RCIN1 46 47 48 72 93 92 73 74 KEY ACTIVE SWITCH Q406, 407 OSC D580 D520 AMBER AD-ON 117 NOSE-SW RX G (Page 18) J (Page 20) DSPDATA,DSPCKO LSW801,901 – 917, S901[...]

20 20 XR-C7500R/C7500RX B/U +5V RESET SIGNAL GENERATOR IC560 REMOTE CONTROL RECEIVER IC951 SIRCS BUFFER Q503 BATTERY DETECT Q500 S500 6 8 4 CLK CLK IN DATA OUT DATA 2 RST RESET SWITCH BUS ON SWITCH 13 11 1 BUS ON OUT BUS ON IN 12 9 DATA IN SONY BUS INTERFACE IC500 SYSTEM CONTROLLER IC600 (4/4) BUS ON/OFF SWITCH Q502 BATT BATT B+ BUIN BUS ON DATA CL[...]

21 21 Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated e xcept f or electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise specified. • f : internal component. • C : panel designation. • U : B+ Line. • H : adjustment f or repair[...]

22 22 XR-C7500R/C7500RX 7-6. PRINTED WIRING BOARD – MAIN Boar d (Component Side) – Ref. No. Location Ref. No . Location • Semiconductor Location (Component Side) D20 G-10 D70 I-13 D201 H-2 D500 G-2 D501 D-3 D502 G-3 D506 E-3 D507 E-3 D520 B-1 D522 A-1 D551 I-1 D580 K-6 D582 J-12 D584 J-11 D585 K-11 D586 J-12 D588 K-12 D591 K-3 D592 K-4 D601 G[...]

23 23 XR-C7500R/C7500RX 1 9 WHT/BLK WHT GRN/BLK GRN VIO/BLK VIO GRY/BLK GRY LIGHT BLU BLU/WHT ORG/WHT BLU RED YEL BLK FRONT LCH (–) FRONT LCH (+) REAR LCH (–) REAR LCH (+) REAR RCH (–) REAR RCH (+) FRONT RCH (–) FRONT RCH (+) ATT AMP REM ILL IN ANT REM ACC BATT GND (C7500RX: E) 2 10 3 11 4 12 5 13 6 14 7 15 8 16 1 9 WHT/BLK GRN/BLK VIO/BLK [...]

24 24 XR-C7500R/C7500RX 7-8. SCHEMA TIC DIA GRAM – MAIN Boar d (1/4) – • See page 29 for Wa veforms. • See page 32 for IC Bloc k Diagrams. (Page 26) (Page 25) (Page 27)[...]

25 25 XR-C7500R/C7500RX 7-9. SCHEMA TIC DIA GRAM – MAIN Boar d (2/4) – • See page 29 for W avef orms. • See page 32 for IC Bloc k Diagrams. (Page 24) (Page 26) (Page 27)[...]

26 26 XR-C7500R/C7500RX 7-10. SCHEMA TIC DIA GRAM – MAIN Boar d (3/4) – • See page 29 for W avef orms. • See page 32 f or IC Bloc k Diagrams. (Page 25) (Page 27) (Page 24)[...]

27 27 XR-C7500R/C7500RX 7-11. SCHEMA TIC DIA GRAM – MAIN Boar d (4/4) – • See page 29 for W avef orms. • See page 32 for IC Bloc k Diagrams. (Page 24) (Page 26) (Page 25) (Page 28)[...]

28 28 XR-C7500R/C7500RX 7-12. PRINTED WIRING BO ARD – SUB Boar d – 7-13. SCHEMA TIC DIA GRAM – SUB Boar d – (Page 23) (Page 30) (Page 31) (Page 27)[...]

29 29 XR-C7500R/C7500RX • W avef orms – MAIN Board – 1 IC50 5 (OSCI) 2 IC100 ra (XTLI38) 3 IC100 ug (BCK) 7 IC800 ih (EXT AL) 6 IC600 os (X0) 2.6 Vp-p 231 ns 980 mVp-p 59 ns 4.3 Vp-p 352 ns 4 IC100 uh (LRCK) 3.9 Vp-p 22.7 µ s 5 IC600 uf (X0A) 3 Vp-p 30.5 µ s – KEY Board – 1 IC901 oh (OSC) 4.5 Vp-p 272 ns 980 mVp-p 54.2 ns 3.1 Vp-p 22.7 [...]

30 30 XR-C7500R/C7500RX 7-14. PRINTED WIRING BO ARD – KEY Boar d – • Semiconductor Location (Component Side) Ref. No . Location IC951 C-5 LED901 C-2 LED902 A-2 LED903 A-3 LED904 C-3 LED910 B-12 LED911 B-12 LED912 A-12 LED913 A-5 LED914 B-5 LED915 B-5 • Semiconductor Location (Conductor Side) Ref. No . Location D901 B-13 D902 C-11 D903 C-11 [...]

31 31 XR-C7500R/C7500RX 7-15. SCHEMA TIC DIA GRAM – KEY Boar d – • See page 29 for W avef orms. (Page 28)[...]

32 32 • IC Bloc k Diagrams – MAIN Board – IC10 TD A7402TR IC50 SAA6588T/V2-118 IC100 CXD2726Q-4 34 35 36 37 38 39 40 41 42 43 44 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 16 15 14 13 12 12 3456 789 10 11 INPUT MULTIPLEXER MAIN SOURCE SELECTOR MIXING SELECTOR SECOND SOURCE SELECTOR MAIN PHONO MAIN CH0 AUX AM FM IN-GAIN +AUTO ZERO + LOUDN[...]

33 IC201 LB1930M-TLM IC250 CXA2510A Q-T4 IC500 B A8270F-E2 1 2 3 4 5 6 7 8 9 10 VCC IN2 S-GND IN1 NC NC OUT2 NC P-GND OUT1 CONTROL CIRCUIT MOTOR DRIVE CIRCUIT BUFFER BUFFER + – + – + – + – + – 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 26 27 28 29 30 31 32 33 34 37 38 39 40 24 25 PBFB2 PBRIN2 PBREF2 PBFIN2 35 36 PBGND VCT[...]

34 7-16. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC100 CXD2726Q-4 (DIGITAL SIGNAL PROCESSOR, DIGITAL FILTER, D/A CONVERTER) Pin No. Pin Name I/O Description 1 VSS1 — Ground terminal (digital system) 2 to 15 T.P I Input terminal for the test (fixed at “ L ” ) 16 to 21 TST0 to TST5 I Input terminal for the test (fixed at “ L ” ) 22 to 24[...]

35 Pin No. Pin Name I/O Description 60 REDY O Transfer enable signal output to the system controller (IC600) “ L ” : transfer prohibition 61 TRDT O Serial data output to the system controller (IC600) and liquid crystal display drive controller (IC800) 62 XLAT I Serial data latch pulse input from the system controller (IC600) 63 RVDT I Serial da[...]

36 • MAIN BOARD IC600 MB90574BPMT-G-265-BND (SYSTEM CONTROLLER) Pin No. Pin Name I/O Description 1N C O Not used (open) 2 AMSIN I Whether a music is present or not from CXA2510AQ (IC250) is detected at auto music sensor “ L ” : music is present, “ H ” : music is not present 3 AMSON O Tape auto music sensor control signal output to the CXA[...]

37 Pin No. Pin Name I/O Description 35 DSPLAT O Serial data latch pulse output to the CXD2726Q (IC100) 36 DSPRST O Reset signal output to the CXD2726Q (IC100) “ L ” : reset 37 NC O Not used (open) 38 DVCC — Power supply terminal (+5V) (for D/A converter) 39 DVSS — Ground terminal (for D/A converter) 40, 41 NC O Not used (open) 42 AVCC — P[...]

38 Pin No. Pin Name I/O Description 73 X1A O Sub system clock output terminal (32.768 kHz) 74 X0A I Sub system clock input terminal (32.768 kHz) 75 DAVN I Data transmit completed detection signal input from the RDS decoder (IC50) “ H ” active 76 CDON-ON I CD/MD on/off control signal input terminal (fixed at “ L ” in this set) 77 BU-IN I Bat[...]

39 Pin No. Pin Name I/O Description 111 CD MD I Setting terminal for the internal mechanism CD or MD “ L ” : CD, “ H ” : MD (fixed at “ L ” in this set) 112 NC I Not used (fixed at “ L ” ) 113 TUNON O Tuner system power supply on/off control signal output terminal “ H ” : tuner power on 114 NC O Not used (open) 115 REIN1 I Dial [...]

40 (1) GENERAL SECTION SECTION 8 EXPLODED VIEWS • Items marked “*” are not stocked since the y are seldom required for routine service. Some delay should be anticipated when ordering these items. • The mechanical parts with no reference num- ber in the exploded vie ws are not supplied. NO TE: • -XX and -X mean standardized parts, so they [...]

41 (2) FRONT P ANEL SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 3-041-004-01 BUTTON (1-6/D) ( o MODE. 1. 2. 3. 4. 5. 6) 52 3-040-987-02 BUTTON (OFF) 53 3-040-986-01 BUTTON (MENU/SOUND) 54 3-041-003-01 BUTTON (LIST/ENTER) (DSPL. LIST . ENTER) 55 3-040-980-01 BUTTON (SOURCE) 56 3-042-458-01 KNOB (VOL-DSO) * 59[...]

42 (3) MECHANISM DECK SECTION (MG-25G-136) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 161 3-933-346-01 CA TCHER 162 3-933-344-01 GUIDE (C) 163 3-014-798-01 SCREW (HEAD), SPECIAL 164 3-364-151-01 WASHER 165 A-3220-610-A MECHANISM DECK ASSY 166 3-017-302-01 BEL T (25) 167 3-936-853-01 FL YWHEEL (F) 168 3-701-437-21 WASH[...]

43 SECTION 9 ELECTRICAL P ARTS LIST KEY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark NO TE: • Due to standardization, replacements in the parts list may be dif f erent from the parts speci- fied in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may hav e some dif ferenc[...]

44 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LSW908 1-771-610-11 SWITCH, T ACTILE (WITH LED) ( o MODE) (C7500R) LSW908 1-771-883-11 SWITCH, T ACTILE (WITH LED) ( o MODE) (C7500RX) LSW909 1-762-737-11 SWITCH, KEYBOARD (LED) (DSO) LSW910 1-762-620-21 SWITCH, KEY BOARD (WITH LED) (T A) (C7500R) LSW910 1-771-476-11 SWITC[...]

45 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark KEY MAIN < SWITCH > S901 1-771-884-11 SWITCH, T ACTILE (WITH LED) (SEEK/AMS – . m ) S902 1-771-884-11 SWITCH, T ACTILE (WITH LED) (DISC +, PRST +) S903 1-771-884-11 SWITCH, T ACTILE (WITH LED) (SEEK/AMS + > M ) S904 1-771-884-11 SWITCH, T ACTILE (WITH LED) (DISC[...]

46 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN C171 1-164-004-11 CERAMIC CHIP 0.1uF 10% 25V C172 1-131-353-00 T ANT ALUM 10uF 10% 35V C174 1-131-353-00 T ANT ALUM 10uF 10% 35V C201 1-124-234-00 ELECT 22uF 20% 16V C204 1-117-370-11 CERAMIC CHIP 10uF 10V C205 1-164-004-11 CERAMIC CHIP 0.1uF 10% 25V C206 1-164-004-11[...]

47 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN C613 1-163-235-11 CERAMIC CHIP 22PF 5% 50V C614 1-163-235-11 CERAMIC CHIP 22PF 5% 50V C616 1-162-968-11 CERAMIC CHIP 0.0047uF 10% 50V C617 1-164-004-11 CERAMIC CHIP 0.1uF 10% 25V C620 1-164-004-11 CERAMIC CHIP 0.1uF 10% 25V C650 1-107-826-11 CERAMIC CHIP 0.1uF 10% 16V[...]

48 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark FB103 1-469-152-11 FERRITE 0uH FB104 1-469-152-11 FERRITE 0uH FB601 1-469-152-11 FERRITE 0uH FB602 1-469-152-11 FERRITE 0uH FB603 1-469-152-11 FERRITE 0uH FB604 1-469-152-11 FERRITE 0uH FB605 1-469-152-11 FERRITE 0uH < IC > IC10 8-759-653-27 IC TDA7402TR IC41 8-759-9[...]

49 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R27 1-216-809-11 MET AL CHIP 100 5% 1/16W R28 1-216-298-00 MET AL CHIP 2.2 5% 1/10W R29 1-216-001-00 MET AL CHIP 10 5% 1/10W R30 1-216-295-00 SHORT 0 R41 1-216-001-00 MET AL CHIP 10 5% 1/10W R50 1-216-113-00 MET AL CHIP 470K 5% 1/10W R51 1-216-821-11 MET AL CHIP 1K 5% 1/16[...]

50 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R431 1-216-845-11 METAL CHIP 100K 5% 1/16W R432 1-216-835-11 METAL CHIP 15K 5% 1/16W R433 1-216-864-11 METAL CHIP 0 5% 1/16W R434 1-216-025-00 RES-CHIP 100 5% 1/10W R435 1-216-081-00 METAL CHIP 22K 5% 1/10W R437 1-216-837-11 METAL CHIP 22K 5% 1/16W R439 1-216-821-11 METAL [...]

51 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R661 1-216-089-00 RES-CHIP 47K 5% 1/10W R662 1-216-085-00 METAL CHIP 33K 5% 1/10W R663 1-216-857-11 METAL CHIP 1M 5% 1/16W R664 1-216-809-11 METAL CHIP 100 5% 1/16W R671 1-216-809-11 METAL CHIP 100 5% 1/16W R672 1-216-809-11 METAL CHIP 100 5% 1/16W R673 1-216-821-11 METAL [...]

52 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark XR-C7500R/C7500RX ************** HARDWARE LIST ************** #1 7-685-793-09 SCREW +PTT 2.6X8 (S) #2 7-621-772-20 SCREW +B 2X5 #3 7-685-792-09 SCREW +PTT 2.6X6 (S) #4 7-627-553-28 SCREW , PRECISION +P 2X2.5 #5 7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S #6 7-624-104-04 STOP R[...]