Sony XR-C7350X Service Manual Download

Page: 21 / 34

XR-C7350X

IC301

CXA2510AQ-T4

+
–

–

+ –

8 9 10

PBFB2

PBRIN2

PBREF2

PBFIN2

PBGND

VCT

PBFIN1

PBREF1

PBRIN1

PBFB1

PBEQ2

PBOUT2

VCC

TAPEIN2

AUXIN2

MSLPF

LINEOUT2

TCH2

PLAY

MSTC

DGND

MSOUT

NRSW

INSW

TAPESW

MSMODE

DRSW

MSSW

TCH1

LINEOUT1

DIREF

AUXIN1

TAPEIN1

PBEQ1

PBOUT1

GND

120

VCT

120

OFF/B

LPF

VCC

DETECT

MS ON/

OFF

MODE

FWD/RVS

TAPE EQ

TAPE/AUX

NR BIAS

MODE

OFF/B

IC331

TDA7402TR

IC351

LB1930M-TLM

1
2

VCC

IN2

S-GND

IN1

OUT2

P-GND

OUT1

CONTROL

CIRCUIT

MOTOR

DRIVE

CIRCUIT

BUFFER

IC611

BA4908-V3

IC581

BA8270F-E2

4
5

BUS ON

SWITCH

RESET

SWITCH

BATTERY

SWITCH

BUS ON

RST

BATT

CLK

VREF

DATA

GND

VCC

RST
BUS ON

CLK IN

BU IN

DATA IN

DATA OUT

7-9.

IC BLOCK DIAGRAMS

–

OVER VOLTAGE

PROTECT

REGULATOR

2 3 4

TUNER8.7 ANT SW

TUNER5.6 SW

STB

VDD5.6V

AMP

VCC

ANT

COM8.7V

TUNER5.6V

TUNER8.7V

GND

33 32 31

24 23

1 2

3 4 5 6

7 8 9 10

INPUT

MULTIPLEXER

MAIN SOURCE

SELECTOR

MIXING

SELECTOR

SECOND SOURCE

SELECTOR

MAIN

PHONO

MAIN

CH0

AUX

IN-GAIN

+AUTO ZERO

LOUDNESS

SOFTMUTE

VOLUME

TREBLE

BASS

COMPANDER

VOICE

BANDPASS

MUTE

IN-GAIN

LOUDNESS

DIGITAL CONTROL

IIC-BUS

HIGH-CUT

S&H

25kHz

DEMODULATOR

+STEREO ADJUST

+STEREO BLAND

MULTIPATH

DETECTOR

D/A

CONVERTER

PILOT

CANCELATION

PIL DET

PLL

AM/FM

NOISE BLANKER

BEEP

80kHz

PULSE

FORMER

QUAL

SUPPLY

SECOND

MAIN

ACIN

MONO-

FADER

MONO-

FADER

MONO-

FADER

MONO-

FADER

MONO-

FADER

MONO-

FADER

SUBWOOFER

+PHASE

CONTROL

MIXER

OUTPUT

SELECTOR

FRONT

REAR

VDD

SCL

SDA

GND

QUAL

MPOUT

MPIN

LEVEL

MPX

AMIF

SEL

SER

FD1L+

FD1L

–

FD1R+

FD1R

–

FD2L+

FD2L

–

FD2R+

FD2R

–

ACINLF

SWINR

SWINL

ACOUTR

ACOUTL

CREF

MUX

MD1

MD1G

MD2

MD2G

ACINLR

ACINRF

ACINRR

OUTLF

OUTLR

OUTRF

OUTRR

OUTSWL

OUTSWR

OUTSSL

OUTSSR

IC811, 812

NJM2160AM-TE2

REFERENCE

VCCL

+L IN

CRPL

-L IN

-R IN

CRPL

+R IN

VCCR

CL+

CL–

GND L

L OUT

R OUT

GND R

CR–

CR+

w w w . x i a o y u 1 6 3 . c o m

Q Q 3 7 6 3 1 5 1 5 0

T E L

1 3 9 4 2 2 9 6 5 1 3

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for XR-C7350X

Page 1: ... Tape Transport Mechanism Type MG 25F 136 SPECIFICATIONS XR C7350X www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 2: ...DED VIEWS 25 9 ELECTRICAL PARTS LIST 28 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 within 3 times Be careful not to apply force on the conductor when soldering or unsoldering Notes on chip component replacement Never reuse a disconnected chip component Notice t...

Page 3: ...om instruction manual www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 4: ...3 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 5: ...3 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 6: ...3 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 7: ...3 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 8: ...screws PTT2 6 6 3 Screw PTT2 6 6 0 Mechanism deck MG 25F 136 7 Flexible flat cable CNP301 5 Rubber cap 25 1 Eight screws PTT2 6 8 2 Two screws PTT2 6 12 6 Ground screw 7 Two ground screws 4 Ground plate TU 3 Heat sink 8 Main board 9 Insulated plate www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 1394...

Page 9: ...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 hanger housing 2 Move the arm suction in the arrow direction and fit on projection 1 Fit the arm suction on the shaft projection www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 89249...

Page 10: ...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 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu...

Page 11: ... two precision screws P2 2 capstan reel motor M901 30 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 12: ... 06 oz inch 5 89 19 61 mN m FF REW CQ 201B 60 200 g cm 0 83 2 78 oz inch set test tape WS 48A 3 kHz 0 dB AUDIO OUT jack J331 10 kΩ speed checker or frequency counter TUNER SECTION 0 dB 1 µV The tuner section has no adjustment Adjustment Location SET UPPER VIEW Tape Speed Adjustment SECTION 6 ELECTRICAL ADJUSTMENTS 6 1 TEST MODE Set the Test Mode 1 Set the OFF mode 2 Push the preset 4 button 3 Push...

Page 13: ...IC751 FRONT L 9 FRONT R 4 FRONT R 12 REAR L 2 REAR L 10 REAR R 3 REAR R 11 13 MUTING Q171 MUTING Q271 MUTING Q181 STNBY MUTE MUTING Q281 R CH R CH CAPSTAN REEL MOTOR DRIVE Q354 CMON BATT B M M901 CAPSTAN REEL MOTOR TAPE REGULATOR DRIVE Q352 LMEJ TAPON LMLOD VCC B 8 5V BATT B IN2 IN1 OUT2 OUT1 LOADING MOTOR DRIVE IC351 M 7 9 MOTOR DRIVE 4 3 1 TAPE REGULATOR Q351 LOADING TAPE OPERATION MOTOR TESTIN ...

Page 14: ... B CLK RESET 3 7 6 5 4 2 RST 3 BATT UN5 UN4 UN3 UN1 UN2 BUIN UN5 UN4 UN3 UN1 SIR UN2 BUIN BATTERY SWITCH 10 B U C 28 19 44 UNICKO 43 UNISI 42 UNISO 29 SIRCS 20 33 TH501 D582 D581 RESET SYSRST BUIN BUSON S551 RESET FOR SONY BUS CN581 BUS CONTROL IN DSTSEL 6 ACCESSORY CHECK Q571 ANT B TU B 8V REGULATOR IC611 COM8V TU B 5V TUNER 5 6 TUNER 8 7 STB 18 BATT ANT REM 6 CN781 2 2 POWER CONNECTOR COM 8V AUD...

Page 15: ...oted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM f AM MW SW E TAPE PLAYBACK For printed wiring boards Note X parts extracted from the component side Y parts extracted from the conductor side 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 the Cond...

Page 16: ... 11 D584 B 12 D585 B 12 D586 B 12 D587 F 9 D601 I 12 D610 D 9 D611 D 9 D613 C 9 D614 D 9 D621 D 5 D622 D 6 D624 D 7 D701 J 4 D702 J 4 D703 J 5 D704 J 5 D705 I 3 D706 J 5 D707 I 3 D708 I 2 D709 I 3 D710 J 4 D781 C 11 IC301 H 4 IC331 D 4 IC351 H 12 IC501 G 7 IC551 J 10 IC581 D 10 IC611 E 12 IC751 B 7 Q11 E 2 Q21 E 2 Q31 F 6 Q171 C 4 Q181 C 4 Q271 C 5 Q281 C 5 Q351 G 11 Q352 H 11 Q353 G 11 Q354 G 11 ...

Page 17: ...FL IN RL IN FR IN RR IN FL OUT RL OUT FR OUT RR OUT A Refer to PREOUT Page 15 RV201 DOLBY RV101 DOLBY w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 18: ...RN1441 A RN1441 A RN1441 A TDA7560 1 Page 20 Q622 2SC2412K QR MUTING CONTROL SWITCH JW81 2 2k 1 4W B w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 19: ... 676 603 12 1 KEY BOARD CN901 1 2 3 4 5 6 7 8 9 1011121314 A SIDE Page 16 Semiconductor Location D901 C 11 D902 B 10 D903 B 10 D904 B 10 D951 A 4 D952 B 6 IC901 B 8 Ref No Location Semiconductor Location IC951 A 6 Ref No Location w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892...

Page 20: ...S9J3M 1SR LS9J3M 1SR Page 18 B w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 21: ... 23 22 21 20 19 18 16 15 14 13 12 1 2 3 4 5 6 7 8 9 10 11 INPUT MULTIPLEXER MAIN SOURCE SELECTOR MIXING SELECTOR SECOND SOURCE SELECTOR MAIN PHONO MAIN CH0 AUX AM FM IN GAIN AUTO ZERO LOUDNESS SOFTMUTE VOLUME TREBLE BASS HP LP COMPANDER VOICE BANDPASS MUTE IN GAIN LOUDNESS DIGITAL CONTROL IIC BUS HIGH CUT S H 25kHz LP DEMODULATOR STEREO ADJUST STEREO BLAND MULTIPATH DETECTOR D A CONVERTER PILOT CA...

Page 22: ...IN I 39 TESTIN I 43 UNISI I 41 UNICLI I 42 UNISO O Pin No Pin Name I O Function 7 10 IC PIN FUNCTION IC501 MASTER MICRO COMPUTER MN101C49KTA1 MAIN Board 2 VSM I 3 FMAGC I 7 RCIN0 I 18 NOSESW I 19 BUSON O 20 SYSRST O 21 LCDSO O 22 LCDCE O 23 LCDCKO O 25 RAMBU I 1 VREF Reference voltage side of AD conversion FM AM common signal meter A D conversion input terminal AM MW SW LW FM S meter voltage detec...

Page 23: ... H during mute on when the EQ IC is connected Dolby control input output Sets the presence absence of the Dolby function during the input mode during initialization Switches DOLBY to ON or OFF in the output mode normally DOLBY is ON when L is input Outputs H during DOLBY ON Sound presence absence detection input during AMS Detects if tape audio sound is present or absent Sound is present when L is...

Page 24: ...I Loading motor control output Loading direction Rotates the loading motor in the normal direction using the tape control terminal Loading motor control output Ejection direction Rotates the loading motor in the reverse direction using the tape control terminal Becomes active together with il LMLOD and brakes the loading motor TAPE power supply control output Capstan motor control output os CMON L...

Page 25: ...OMPLETE 2 3 040 994 01 CHASSIS 3 3 045 878 01 PLATE TU GROUND 4 X 3377 621 3 LOCK ASSY 5 3 040 990 01 BUTTON EJECT 6 1 676 603 11 SUB BOARD 7 3 027 437 12 DOOR CASSETTE 8 3 935 003 01 SPRING TORSION 9 3 045 877 01 CUSHION TU 10 X 3376 699 2 GEAR ASSY 11 3 030 909 02 DAMPER OIL 12 3 713 786 51 SCREW P 2X3 13 3 045 828 01 INSULATED PLATE 14 3 040 996 21 HEAT SINK 2P 15 3 012 859 01 CAP 25 RUBBER 16 ...

Page 26: ... DIR ENTER 59 3 040 986 01 BUTTON MENU SOUND 60 3 040 997 01 PLATE LCD GROUND 61 3 041 371 01 SHEET REFLECTOR 62 3 040 993 01 PLATE LCD LIGHT GUIDE 63 1 694 660 11 CONDUCTIVE BOARD CONNECTION 64 3 040 992 01 HOLDER LCD 65 X 3378 398 1 PANEL ASSY FRONT BACK 66 3 045 596 01 CUSHION OFF 67 X 3378 397 1 PANEL SUB ASSY LCD901 1 803 907 31 DISPLAY PANEL LIQUID CRYSTAL www xiaoyu163 com QQ376315150 9 9 2...

Page 27: ...01 267 A MECHANISM DECK ASSY 166 3 017 302 01 BELT 25 167 3 936 853 01 FLYWHEEL F 168 3 701 437 21 WASHER HP901 1 500 157 21 HEAD MAGNETIC PLAYBACK M901 A 3291 665 A MOTOR ASSY MAIN CAPSTAN REEL 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 7 8 A A not su...

Page 28: ... 5 LSW914 1 771 883 11 SWITCH TACTILE WITH LED 4 LSW915 1 771 883 11 SWITCH TACTILE WITH LED 3 LSW916 1 771 883 11 SWITCH TACTILE WITH LED SHUF 2 LSW917 1 771 883 11 SWITCH TACTILE WITH LED REP 1 RESISTOR R901 1 216 647 11 METAL CHIP 680 0 5 1 10W R902 1 216 647 11 METAL CHIP 680 0 5 1 10W R903 1 216 647 11 METAL CHIP 680 0 5 1 10W R904 1 216 651 11 METAL CHIP 1K 0 5 1 10W R905 1 216 655 11 METAL ...

Page 29: ...63 263 11 CERAMIC CHIP 330PF 5 50V C102 1 163 263 11 CERAMIC CHIP 330PF 5 50V C103 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C104 1 164 489 11 CERAMIC CHIP 0 22uF 10 16V C105 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C106 1 109 982 11 CERAMIC CHIP 1uF 10 10V C109 1 163 227 11 CERAMIC CHIP 10PF 0 50PF 50V C110 1 163 227 11 CERAMIC CHIP 10PF 0 50PF 50V C111 1 163 227 11 CERAMIC CHIP 10PF 0 50PF 50V C112 ...

Page 30: ... 506 11 CERAMIC CHIP 4 7uF 16V C757 1 124 233 11 ELECT 10uF 20 16V C759 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C781 1 107 885 31 ELECT 3300uF 20 16V C782 1 163 077 00 CERAMIC CHIP 0 1uF 10 25V C783 1 163 077 00 CERAMIC CHIP 0 1uF 10 25V C784 1 163 077 00 CERAMIC CHIP 0 1uF 10 25V CONNECTOR CN301 1 766 260 11 CONNECTOR FFC FPC ZIF 7P CN351 1 506 995 11 PIN CONNECTOR PC BOARD 13P CN581 1 580 907 3...

Page 31: ...R5 1 216 295 00 SHORT 0 R11 1 216 295 00 SHORT 0 R12 1 216 089 00 RES CHIP 47K 5 1 10W R21 1 216 057 00 METAL CHIP 2 2K 5 1 10W R22 1 216 085 00 METAL CHIP 33K 5 1 10W R31 1 216 001 00 METAL CHIP 10 5 1 10W R32 1 216 037 00 METAL CHIP 330 5 1 10W R102 1 216 109 00 METAL CHIP 330K 5 1 10W R103 1 216 077 00 RES CHIP 15K 5 1 10W R104 1 216 079 00 METAL CHIP 18K 5 1 10W R141 1 216 073 00 METAL CHIP 10...

Page 32: ...13 1 216 073 00 METAL CHIP 10K 5 1 10W R514 1 216 025 00 RES CHIP 100 5 1 10W R515 1 216 097 00 RES CHIP 100K 5 1 10W R516 1 216 097 00 RES CHIP 100K 5 1 10W R517 1 216 105 00 RES CHIP 220K 5 1 10W R520 1 216 049 00 RES CHIP 1K 5 1 10W R521 1 216 049 00 RES CHIP 1K 5 1 10W R522 1 216 049 00 RES CHIP 1K 5 1 10W R523 1 216 049 00 RES CHIP 1K 5 1 10W R524 1 216 049 00 RES CHIP 1K 5 1 10W R526 1 216 0...

Page 33: ...NEOUS 17 1 776 207 61 CORD WITH CONNECTOR POWER 63 1 694 660 11 CONDUCTIVE BOARD CONNECTION F781 1 532 877 11 FUSE BLADE TIPE AUTO FUSE 10A HP901 1 500 157 21 HEAD MAGNETIC PLAY BACK LCD901 1 803 907 31 DISPLAY PANEL LIQUID CRYSTAL M901 A 3291 665 A MOTOR ASSY MAIN CAPSTAN REEL SUB HARDWARE LIST 1 7 621 772 20 SCREW B2X5 2 7 685 792 09 SCREW PTT 2 6X6 S 3 7 685 793 09 SCREW PTT 2 6X8 S 4 7 685 647...

Page 34: ...ted in Japan 2000 4 Published by ME General Engineering Dept www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

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