Sony XR-C6120 Page 1 Service Manual Download

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MICROFILM

SERVICE MANUAL

FM/AM CASSETTE CAR STEREO

US Model

Canadian Model

Model Name Using Similar Mechanism

XR-C5100

Tape Transport Mechanism Type

MG-25F-136

SPECIFICATIONS

XR-C6120

Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol

are trade-

marks of Dolby Laboratories Licensing Corporation.

Summary of Contents for XR-C6120

Page 1: ...e Using Similar Mechanism XR C5100 Tape Transport Mechanism Type MG 25F 136 SPECIFICATIONS XR C6120 Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol a are trade marks of Dolby Laboratories Licensing Corporation ...

Page 2: ...MAIN Board 1 2 19 6 4 Schematic Diagram MAIN Board 2 2 21 6 5 Printed Wiring Board KEY Board 23 6 6 Schematic Diagram KEY Board 25 6 7 IC Pin Function Description 30 7 EXPLODED VIEWS 33 8 ELECTRICAL PARTS LIST 36 Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur ing repairing Do not touch the soldering iron on the same conductor of the circuit board withi...

Page 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...

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Page 9: ...DISASSEMBLY 1 three screws PTT2 6 8 2 sub panel 3 connector CN351 5 screw PTT2 6 6 6 mechanism deck MG 25F 136 4 flexible flat cable CN301 1 three screws PTT2 6 8 3 two ground point screws 5 three screws PTT2 6 8 5 two screws PTT2 6 10 1 screw PTT2 6 8 5 three screws PTT2 6 8 6 heat sink 2 rubber cap 25 1 two screws PTT2 6 8 4 main board ...

Page 10: ...bending the claw 6 Fit projection on D part 4 Fit claw on B part 3 Put the housing under A part 5 Fit projection on C part 1 Install the catch to the hanger 2 Install the hanger onto two claws of the housing 7 Holder the hanger by bending the claw hanger housing 2 Move the arm suction in the arrow direction and fit on projection 1 Fit the arm suction on the shaft projection ...

Page 11: ...A shaft B 2 Fit the lever 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 polyethylene washer 2 tension spring LD 2 2 tension spring LD 1 gear LDG FB lever LDG A hole hole 4 Align hole in the gear LDG D with hole the lever LDG A 3 Move the lever LDG B in the arrow direction 1 ...

Page 12: ... 12 GUIDE C 2 guide C 1 three claws two precision screws P2 2 capstan reel motor M901 30 MOUNTING POSITION OF CAPSTAN REEL MOTOR M901 ...

Page 13: ...z inch FF REW CQ 201B 60 200 g cm 0 83 2 78 oz inch TEST MODE Set the Test Mode 1 Set the power select switch S501 is A ON position 2 Turn ON the regulated power supply All LEDs on the set lights up and the clock is displayed Note Press the OFF button if the clock is not displayed 3 Push the preset 4 button 4 Push the preset 5 button 5 Press the preset 1 button for more than two seconds 6 Then the...

Page 14: ...on See page 15 Dolby Level Adjustment Setting SHIFT button ON Preset 3 PLAY MODE and 4 buttons NR OFF SOUND BAS button Center SOUND TRE button Center SOUND BAL button Center SOUND FAD button Center SOUND VOL button Maximum D BASS control OFF The tuner section has no adjustment set test tape P 4 D400 400Hz 0dB MAIN board level meter MAIN board TP GND L CH TP DOLBY L R CH TP DOLBY R ...

Page 15: ... 15 Adjustment Location SET UPPER VIEW Tape Speed Adjustment RV201 R CH RV101 L CH Dolby Level Adjustment MAIN BOARD Conductor Side TP DOLBY R IC301 Dolby Level Adjustment TP GND TP DOLBY L ...

Page 16: ... 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 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 TAPE PLAYBACK Impossible to...

Page 17: ...3 K 2 D704 K 3 D705 K 5 D706 K 5 D707 K 5 D708 K 5 D709 K 5 D710 J 3 D711 K 5 D712 K 5 D713 K 5 D721 D 8 Ref No Location Ref No Location Semiconductor Location D722 D 8 D723 D 8 D724 D 9 D731 B 7 D732 D 7 D733 D 7 D734 B 7 D781 D 13 IC21 E 3 IC301 H 4 IC331 E 5 IC351 I 12 IC501 I 7 IC551 J 12 IC552 K 11 IC581 C 14 IC611 D 13 IC751 B 7 Q51 E 11 Q52 E 11 Q121 G 4 Q151 G 6 Q171 A 4 Q181 A 3 Q251 G 6 ...

Page 18: ...XR C6120 19 20 6 3 SCHEMATIC DIAGRAM MAIN Board 1 2 See page 29 for Waveforms See page 27 for IC Block Diagrams ...

Page 19: ...XR C6120 21 22 6 4 SCHEMATIC DIAGRAM MAIN Board 2 2 See page 28 for IC Block Diagrams Page 25 ...

Page 20: ...emiconductor Location Component Side Ref No Location D902 B 12 D903 B 12 D904 B 11 D951 C 9 IC951 B 10 Q945 C 2 6 5 PRINTED WIRING BOARD KEY Board Semiconductor Location Conductor Side Ref No Location IC901 C 8 Page 17 ...

Page 21: ...XR C6120 6 6 SCHEMATIC DIAGRAM KEY Board See page 29 for Waveform 25 26 Page 22 ...

Page 22: ...BWOOFER OUT FADER SUBWOOFER LP IIC BUS DIGITAL CONTROL CIRCUIT POWER SUPPLY FRONT FADER FRONT FADER REAR FADER REAR FADER VOICE BANDPASS HP LP SDA SCL 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 IC351 LB1930M TLM 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 IC611 BA3918 V2 OVER VOLTAGE PROTECT REGUL...

Page 23: ... 29 Waveforms MAIN Board 1 IC21 1 XT OUT 2 IC501 XT IN 3 IC501 OSC IN 0 2 Vp p 97 6 ns 1 7 Vp p 30 5 µs 1 3 Vp p 54 2 ns 2 7 Vp p 27 µs KEY Board 1 IC901 º OSC ...

Page 24: ...20 BUS ON O Bus on off control signal output to the SONY bus interface IC581 L bus on 21 UNISO O Serial data output to the SONY bus interface IC581 22 UNISI I Serial data input from the SONY bus interface IC581 23 UNICKO O Serial data transfer clock signal output to the SONY bus interface IC581 24 UNICKI I Serial data reading clock signal input for the SONY bus interface Not used open 25 NCO O Not...

Page 25: ...l signal output to the CXA2510AQ IC301 METAL on at H output 54 TAPE MUT O Tape muting on off control signal output to the CXA2510AQ IC301 H muting on Active at ATA FF REW mode 55 DOLON I O Dolby control in out terminal At initial mode valid invalid selection input of dolby function valid at L input At normal mode dolby on off control signal output to the CXA2510AQ IC301 dolby on at H output 56 AMS...

Page 26: ...tor on 92 POWON O Main system power supply on off control signal output to the BA3918 IC611 H power on 93 FM ON O FM system power supply on off control signal output to the BA3918 IC611 L AM power on H FM power on 94 TU ON O Tuner system power supply on off control signal output to the BA3918 IC611 H tuner power on 95 to 100 NCO O Not used open Tape position EJECT FF REW REV FWD mode detect input ...

Page 27: ...LANCE WHITE RED Parts Color Cabinet s Color Ref No Part No Description Remark Ref No Part No Description Remark 1 3 031 022 01 PANEL SUB 2 3 935 003 01 SPRING TORSION 3 3 027 437 21 DOOR CASSETTE 4 X 3367 636 1 LOCK ASSY 5 3 033 846 01 INSULATED PLATE 6 A 3317 392 A MAIN BOARD COMPLETE 7 3 915 923 01 SCREW GROUND POINT 8 X 3373 270 1 COVER ASSY 9 1 776 207 31 CORD WITH CONNECTOR POWER 10 3 018 390...

Page 28: ...URCE 57 3 030 830 01 KNOB VOL 58 3 030 832 01 LEVER S A 59 3 030 834 01 BUTTON M S MODE SOUND 60 3 031 033 01 BUTTON D F D 6 DISC FILE DSPL 61 3 031 024 01 LENS 62 3 030 840 01 PLATE B GROUND 63 3 030 839 01 SHEET REFLECTOR 64 3 030 824 01 PLATE LIGHT GUIDE 65 1 694 508 11 CONDUCTIVE BOARD CONNECTION 66 3 030 825 01 HOLDER LCD 67 3 030 827 01 PANEL FRONT BACK LCD901 1 803 495 11 DISPLAY PANEL LIQU...

Page 29: ...ANGER Ref No Part No Description Remark Ref No Part No Description Remark 3 MECHANISM DECK SECTION MG 25F 136 160 161 162 164 165 166 167 151 168 168 159 158 155 156 157 154 153 152 163 HP901 M901 6 7 A A 161 3 933 346 01 CATCHER 162 3 933 344 01 GUIDE C 163 3 014 798 01 SCREW HEAD SPECIAL 164 3 364 151 01 WASHER 165 A 3301 267 A CHASSIS ASSY G 166 3 017 302 01 BELT 25 167 3 936 853 01 FLYWHEEL F ...

Page 30: ... LSW902 1 762 619 21 SWITCH KEY BOARD WITH LED SOURCE LSW903 1 762 619 21 SWITCH KEY BOARD WITH LED MODE LSW905 1 762 619 21 SWITCH KEY BOARD WITH LED SOUND LSW906 1 771 609 11 SWITCH TACTILE WITH LED SHIFT LSW921 1 762 619 21 SWITCH KEY BOARD WITH LED 6 LSW922 1 762 619 21 SWITCH KEY BOARD WITH LED DISC PRESET LSW923 1 762 619 21 SWITCH KEY BOARD WITH LED DISC PRESET LSW925 1 762 619 21 SWITCH KE...

Page 31: ...CERAMIC CHIP 100PF 5 50V C31 1 163 251 11 CERAMIC CHIP 100PF 5 50V C32 1 163 017 00 CERAMIC CHIP 0 0047uF 5 50V C33 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C34 1 109 982 11 CERAMIC CHIP 1uF 10 10V C35 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C36 1 163 251 11 CERAMIC CHIP 100PF 5 50V C37 1 124 233 11 ELECT 10uF 20 16V C38 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C39 1 163 133 00 CERAMIC CHIP 470PF...

Page 32: ...C CHIP 4 7uF 16V C582 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C583 1 165 319 11 CERAMIC CHIP 0 1uF 50V C584 1 163 077 00 CERAMIC CHIP 0 1uF 10 25V C601 1 164 346 11 CERAMIC CHIP 1uF 16V C602 1 164 346 11 CERAMIC CHIP 1uF 16V C611 1 124 233 11 ELECT 10uF 20 16V C612 1 124 233 11 ELECT 10uF 20 16V C614 1 124 233 11 ELECT 10uF 20 16V C615 1 124 233 11 ELECT 10uF 20 16V C616 1 124 233 11 ELECT 10uF 2...

Page 33: ... SHORT 0 JC21 1 216 296 00 SHORT 0 JC22 1 216 295 00 SHORT 0 JC25 1 216 296 00 SHORT 0 JC26 1 216 295 00 SHORT 0 JC31 1 216 296 00 SHORT 0 JC32 1 216 296 00 SHORT 0 JC52 1 216 295 00 SHORT 0 JC121 1 216 295 00 SHORT 0 JC151 1 216 295 00 SHORT 0 JC152 1 216 295 00 SHORT 0 JC173 1 216 296 00 SHORT 0 JC181 1 216 296 00 SHORT 0 JC182 1 216 295 00 SHORT 0 JC191 1 216 296 00 SHORT 0 JC192 1 216 296 00 S...

Page 34: ... 1 10W R175 1 216 085 00 METAL CHIP 33K 5 1 10W R181 1 216 033 00 METAL CHIP 220 5 1 10W MAIN R182 1 216 065 00 RES CHIP 4 7K 5 1 10W R184 1 216 129 00 METAL CHIP 2 2M 5 1 10W R185 1 216 085 00 METAL CHIP 33K 5 1 10W R191 1 249 429 11 CARBON 10K 5 1 4W R192 1 216 105 00 RES CHIP 220K 5 1 10W R202 1 216 109 00 METAL CHIP 330K 5 1 10W R203 1 216 077 00 METAL CHIP 15K 5 1 10W R204 1 216 079 00 METAL ...

Page 35: ... 15 5 1 4W R603 1 216 186 00 RES CHIP 330 5 1 8W R621 1 249 425 11 CARBON 4 7K 5 1 4W R622 1 216 073 00 METAL CHIP 10K 5 1 10W R701 1 216 025 00 RES CHIP 100 5 1 10W R702 1 216 025 00 RES CHIP 100 5 1 10W R703 1 216 025 00 RES CHIP 100 5 1 10W R704 1 216 295 00 SHORT 0 R705 1 216 295 00 SHORT 0 R706 1 216 049 11 RES CHIP 1K 5 1 10W R707 1 216 049 11 RES CHIP 1K 5 1 10W R708 1 216 198 00 RES CHIP 1...

Page 36: ...34 325 01 SCREW K 5X8 TAPPING 504 3 924 961 01 SUPPORT ND FITTING 505 3 018 384 01 COLLAR 506 1 776 207 31 CORD WITH CONNECTOR POWER 501 502 503 504 FITTING SUPPORT ND 1 FRAME ASSY 1 KEY 1 505 506 T4 12 1 COLLAR 1 POWER CORD 1 P4 6 1 K5 8 4 XR C6120 Sony Corporation Personal Mobile Communication Company 9 926 415 11 99A0519 1 Printed in Japan 1999 1 Published by Quality Assurance Dept ...

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