Sony XR-C7220 Скачать руководство пользователя

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MICROFILM

SERVICE MANUAL

US Model

Canadian Model

XR-C7220

E Model

XR-C7300/C7300W

Model Name Using Similar Mechanism

XR-C5100

Tape Transport Mechanism Type

MG-25G-136

SPECIFICATIONS

XR-C7220/C7300/C7300W

For RM-X4S (Remote Commander),
please refer to RM-X4S Service Manual
(9-925-698-

∏

) previously issued.

– Continued on next page –

FM/AM (MW/SW)

CASSETTE CAR STEREO

Photo: XR-C7300

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

are trademarks

of Dolby Laboratories Licensing Corporation.

Содержание XR-C7220

Страница 1: ...ATIONS XR C7220 C7300 C7300W For RM X4S Remote Commander please refer to RM X4S Service Manual 9 925 698 previously issued Continued on next page FM AM MW SW CASSETTE CAR STEREO Photo XR C7300 Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol aare trademarks of Dolby Laboratories Licensing Corporation ...

Страница 2: ...rd MAIN Board Component Side 25 6 6 Printed Wiring Board MAIN Board Conductor Side 27 6 7 Printed Wiring Boards PANEL Section 29 6 8 Schematic Diagram PANEL Section 31 6 9 IC Pin Function Description 35 7 EXPLODED VIEWS 39 8 ELECTRICAL PARTS LIST 42 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...

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

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Страница 8: ...e disassembly procedure in the numerical order given SECTION 2 DISASSEMBLY 3 claw 3 two claws 1 screw PTT2 6 8 5 sub panel ass y 2 five screws PTT2 6 8 4 connector CN500 3 flexible flat cable CN301 4 mechanism deck MG 25G 136 1 screw PTT2 6 6 2 connector CN302 ...

Страница 9: ... 9 MAIN BOARD HEAT SINK 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 ...

Страница 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 ...

Страница 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 ...

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

Страница 13: ...ation Constant speed Adjustment Location See page 16 See the adjustment location from on page 15 for the adjustment 0 dB 0 775 V TAPE DECK SECTION Speed checker Frequency counter 1 5 to 2 5 2 955 to 3 075 Hz Mode Tension Meter Meter Reading Forward CQ 403A more than 90 g more than 3 18 oz Reverse CQ 403R more than 90 g more than 3 18 oz Tape Tension Measurement 1 Clean the following parts with a d...

Страница 14: ...epair Note Adjust the tuner section in the sequence shown below 1 FM Auto Scan Stop Level Adjustment 2 FM Stereo Separation Adjustment 3 MW Auto Scan Stop Level Adjustment FM Auto Scan Stop Level Adjustment Setting SOURCE button FM FREQUENCY SELECT switch FM200 k Procedure 1 Set to the test mode See page 13 2 Push the SOURCE button and set to FM Display 3 Adjust with the volume RV2 on TU1 so that ...

Страница 15: ...tion 45 sub 1 kHz 33 75 kHz deviation 45 19 kHz pilot 7 5 kHz deviation 10 0 01 µF set antenna jack J1 AUDIO OUT REAR jack CNJ151 level meter 10 kΩ MW Auto Scan Stop Level Adjustment Setting SOURCE and MODE buttons MW FREQUENCY SELECT switch MW 10 k AM RF signal generator Carrier frequency 1000 kHz 30 amplitude modulation by 1 kHz signal Output level 33 dB 44 7 µV 50 Ω set AM dummy antenna 30 Ω 15...

Страница 16: ...TP DOLBY R Dolby Level Adjustment TP GND TP DOLBY L Tape Speed Adjustment RV201 R CH RV101 L CH Dolby Level Adjustment TU1 XR C7300 C7300W only RV1 MW Auto Scan Stop Level Adjustment RV2 FM Auto Scan Stop Level Adjustment RV4 FM Stereo Separation Adjustment ...

Страница 17: ...not indicated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified indicates tolerance internal 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...

Страница 18: ... 18 Waveforms MAIN Board 1 IC1 2 OSC OUT 2 IC501 X0A 3 IC501 X0 KEY Board 1 IC901 º OSC 1 2 Vp p 0 1 µs 3 6 Vp p 30 µs 4 1 Vp p 270 ns 2 7 Vp p 27 µs ...

Страница 19: ...XR C7220 C7300 C7300W 19 20 6 2 SCHEMATIC DIAGRAM MAIN Section 1 3 See page 18 for Waveforms See page 33 for IC Block Diagrams Page 23 Page 21 ...

Страница 20: ...XR C7220 C7300 C7300W 21 22 6 3 SCHEMATIC DIAGRAM MAIN Section 2 3 See page 18 for Waveforms See page 33 for IC Block Diagrams Page 20 Page 23 ...

Страница 21: ...XR C7220 C7300 C7300W 23 24 6 4 SCHEMATIC DIAGRAM MAIN Section 3 3 Page 20 Page 22 Page 31 ...

Страница 22: ... 5 D617 C 7 D618 C 5 D621 A 10 D622 A 11 D623 A 11 D624 B 11 D625 A 9 D626 A 12 D631 J 4 D653 G 7 D661 E 5 D662 E 4 D671 D 3 D672 E 2 D673 E 2 D674 E 3 Ref No Location Ref No Location D675 H 1 D701 D 2 D702 B 1 D703 B 1 D704 C 1 D705 C 1 D706 C 1 D707 C 5 IC1 E 12 IC301 H 10 IC361 H 2 IC401 E 8 IC501 H 6 IC651 I 3 IC652 J 3 IC701 C 1 Q52 E 7 Q71 C 11 Q81 D 11 Q82 D 10 Q121 G 8 Q151 F 9 Q171 D 8 Q1...

Страница 23: ...6 6 PRINTED WIRING BOARD MAIN Board Conductor Side Semiconductor Location Ref No Location D141 C 11 D171 C 11 D172 C 10 D568 K 13 D569 K 13 D601 D 4 D602 B 4 D603 B 5 D651 G 2 D708 B 3 IC611 A 7 IC671 E 1 Q631 J 3 Q632 J 3 Page 30 ...

Страница 24: ...ion KEY Board Component Side Ref No Location IC951 C 11 LED901 C 2 LED902 B 1 LED903 A 2 LED904 C 3 LED905 A 3 Semiconductor Location KEY Board Conductor Side Ref No Location D901 A 10 D902 A 9 D903 A 9 D904 A 10 D951 B 9 D952 B 5 D953 B 5 IC901 B 6 LED910 A 9 LED911 A 5 Q945 C 3 Page 27 ...

Страница 25: ...XR C7220 C7300 C7300W 31 32 6 8 SCHEMATIC DIAGRAM PANEL Section See page 18 for Waveform Page 24 ...

Страница 26: ... PBOUT1 GND F2 120µ 70µ X1 X1 VCT F1 120µ 70µ NR OFF B F3 LPF VCC DETECT MS ON OFF NR MODE FWD RVS TAPE EQ TAPE AUX NR BIAS NR MS MODE OFF B T2 T1 1 2 3 4 5 6 7 8 9 10 GND IN1 VCC IN2 GND N C OUT2 VS OUT1 N C CONTROL LOGIC SE3L SE3R MUTE SDA SCL PAUSE OUT FL OUT FR OUT RL OUT RR SUBOUT SUBOUT VDD GND CREF SE1L SE1R MD MD CDL CDL CDR CDR PDR PDGND PDL SE2L SE2R INPUT GAIN AUTO ZERO PAUSE DETECT INP...

Страница 27: ...1 H active 17 UNISI I Serial data input from the SONY bus interface IC701 18 UNISO O Serial data output to the SONY bus interface IC701 19 UNICKO O Serial data transfer clock signal output to the SONY bus interface IC701 20 SD IN I Station detector detect input from the FM AM tuner unit TU1 Stop level for SEEK BTM etc is determined SD is present at input of H 21 to 23 NCO O Not used open 24 SIRCS ...

Страница 28: ...open 58 TESTIN I Setting terminal for the test mode L test mode Normally fixed at H 59 DOOR IND O LED drive signal output of the tape window illumination and 6 indicators LED801 LSW801 H LED on H is output to turn on LED when front panel is opened 60 EVOL MUTE O Muting control signal output to the electrical volume IC401 Volume minimum output H active 61 COLR SW I Setting terminal for the illumina...

Страница 29: ...tch S502 input terminal L AM 9 kHz FM 50 kHz step H AM 10 kHz FM 200 kHz step Used for the XR C7300 C7300W only 101 NCO O Not used open 102 NCO I Not used open 103 AMSIN I Whether a music is present or not from CXA2510AQ IC301 is detected at auto music sensor L music is present H music is not present 104 REEL I Rotation detect signal input from supply reel sensor and take up reel sensor on the dec...

Страница 30: ...MUTE O Tape muting on off control signal output to the CXA2510AQ IC301 H muting on Active at ATA FF REW mode 118 AMP ON O Standby on off control signal output to the power amplifier IC611 L standby mode H amp on 119 VSS Ground terminal 120 POWON O Main system power supply on off control signal output to the BA3918 IC671 H power on 1 Loading tape operation motor control STOP LOADING FORWARD EJECT R...

Страница 31: ...SCREW GROUND POINT 12 3 012 859 01 CAP 25 RUBBER 13 3 937 650 01 PLATE C GROUND 14 1 776 207 72 CORD WITH CONNECTOR POWER 15 3 935 014 01 CUSHION U 16 A 3317 359 A MAIN BOARD COMPLET C7220 16 A 3317 360 A MAIN BOARD COMPLET C7300 C7300W 17 3 031 828 01 BRACKET REG IC 18 3 018 390 01 BRACKET IC 19 3 031 023 01 HEAT SINK 20 3 031 049 01 CHASSIS F801 1 532 877 11 FUSE BLADE TYPE AUTO FUSE 10A Items m...

Страница 32: ...300W 56 3 031 064 01 BUTTON D F D DISC LIST DSPL 57 3 031 088 01 BUTTON M S MODE SOUND 58 3 031 047 01 LEVER S A C7220 C7300 58 3 031 047 11 LEVER S A C7300W 59 3 031 326 01 PLATE A GROUND 60 1 694 507 11 CONDUCTIVE BOARD CONNECTION 61 3 031 092 01 SHEET REFLECTOR 62 3 034 309 01 PLATE LIGHT GUIDE 63 3 034 310 01 HOLDER LCD 64 3 031 046 01 BUTTON SOURCE 65 3 031 045 01 KNOB VOL C7220 C7300W 65 3 0...

Страница 33: ... 341 753 11 WASHER POLYETHYLENE 158 3 020 533 01 HOUSING 159 3 020 532 01 ARM SUCTION 160 3 020 534 01 HANGER 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 168 3 701 437 21 WASHER HP901 1 500 196 21 HEAD MAGNETIC PLAYBACK M901 A 3291 665 A MOTOR ASSY ...

Страница 34: ...LSW925 1 762 619 21 SWITCH KEY BOARD WITH LED DSPL LSW926 1 762 619 21 SWITCH KEY BOARD WITH LED LIST LSW928 1 762 619 21 SWITCH KEY BOARD WITH LED 6 LSW929 1 762 619 21 SWITCH KEY BOARD WITH LED 5 ENTER LSW930 1 762 619 21 SWITCH KEY BOARD WITH LED 4 LSW931 1 762 619 21 SWITCH KEY BOARD WITH LED 3 PLAY MODE LSW932 1 762 619 21 SWITCH KEY BOARD WITH LED 2 SET UP LSW933 1 762 619 21 SWITCH KEY BOAR...

Страница 35: ...AMIC CHIP 100PF 5 50V C18 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C19 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C20 1 124 234 00 ELECT 22uF 20 16V C21 1 163 091 00 CERAMIC CHIP 8PF 0 5PF 50V C22 1 163 231 11 CERAMIC CHIP 15PF 5 50V C23 1 163 089 00 CERAMIC CHIP 6PF 0 5PF 50V C24 1 163 133 00 CERAMIC CHIP 470PF 5 50V C25 1 124 233 11 ELECT 10uF 20 16V C26 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C27 ...

Страница 36: ...11 CERAMIC CHIP 100PF 5 50V C611 1 126 157 11 ELECT 10uF 20 16V C612 1 126 157 11 ELECT 10uF 20 16V C613 1 109 982 11 CERAMIC CHIP 1uF 10 10V C614 1 124 589 11 ELECT 47uF 20 16V C616 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C617 1 164 506 11 CERAMIC CHIP 4 7uF 16V C621 1 124 589 11 ELECT 47uF 20 16V C622 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C623 1 109 982 11 CERAMIC CHIP 1uF 10 10V C631 1 164 4...

Страница 37: ... 50 IC BA3918 V3 IC701 8 759 449 89 IC BA8270F E2 JACK J1 1 764 808 21 JACK ANT FM AM ANTENNA J501 1 566 822 41 JACK REMOTE IN SHORT JC1 1 216 295 00 SHORT 0 C7220 JC2 1 216 295 00 SHORT 0 JC3 1 216 295 00 SHORT 0 JC181 1 216 295 00 SHORT 0 JC621 1 216 295 00 SHORT 0 JC622 1 216 295 00 SHORT 0 JC623 1 216 295 00 SHORT 0 JC651 1 216 295 00 SHORT 0 JC672 1 216 295 00 SHORT 0 COIL L1 1 410 989 11 IND...

Страница 38: ... 1 10W R301 1 208 812 11 RES CHIP 18K 2 1 10W R302 1 216 065 00 RES CHIP 4 7K 5 1 10W R303 1 216 077 00 METAL CHIP 15K 5 1 10W R304 1 216 105 00 RES CHIP 220K 5 1 10W R305 1 216 001 00 METAL CHIP 10 5 1 10W R306 1 216 073 00 METAL CHIP 10K 5 1 10W R307 1 216 073 00 METAL CHIP 10K 5 1 10W R361 1 216 049 11 RES CHIP 1K 5 1 10W R362 1 249 389 11 CARBON 4 7 5 1 4W R363 1 249 389 11 CARBON 4 7 5 1 4W R...

Страница 39: ...00W S503 1 692 431 21 SWITCH TACTILE RESET S504 1 771 540 11 SWITCH PUSH 1 KEY NOSE DETECT THERMISTOR POSITIVE THP701 1 801 792 21 THERMISTOR POSITIVE TUNER UNIT TU1 A 3220 689 A FM AM TUNER UNIT TUX 010 2 E C7220 TU1 A 3220 695 A FM AM TUNER UNIT TUX 011 EA C7300 C7300W VIBRATOR X1 1 781 246 21 VIBRATOR CRYSTAL 10 25MHz X501 1 767 833 21 VIBRATOR CERAMIC 3 68MHz X502 1 567 098 41 VIBRATOR CRYSTAL...

Страница 40: ... 506 3 916 161 31 FRAME ASSY 507 3 031 048 01 COLLAR C7220 C7300 507 3 031 048 11 COLLAR C7300W 508 3 934 325 01 SCREW K 5X8 TAPPING 509 1 776 207 72 CORD WITH CONNECTOR POWER 501 502 503 504 FRAME ASSY 1 505 506 POWER CORD 1 PLATE BRACKET 1 FITTING SUPPORT ND 1 KEY 1 KTP3 12 1 CLAMP LOW TYPE 1 BUSHING 1 COLLAR 1 K5 8 1 507 508 XR C7220 T4 12 1 P4 6 1 XR C7300 C7300W KEY 1 FITTING SCREW 1 509 XR C...

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