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Sony M-740V Service Manual Download Page 18

Ref. No.

Part No.

Description

Remarks

Ref. No.

Part No.

Description

Remarks

17

SECTION 7

ELECTRICAL PARTS LIST

NOTE:

•

Due to standardization, replacements in the
parts list may be different from the parts
specified in the diagrams or the components
used on the set.

•

-XX, -X mean standardized parts, so they
may have some difference from the original
one.

•

Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.

•

CAPACITORS:
uF: 

µ

F

•

RESISTORS
All resistors are in ohms.
METAL: metal-film resistor
METAL OXIDE: Metal Oxide-film resistor
F: nonflammable

•

COILS
uH: 

µ

H

•

SEMICONDUCTORS
In each case, u: 

µ

, for example:

uA...: 

µ

A... , uPA... , 

µ

PA... ,

uPB... , 

µ

PB... , uPC... , 

µ

PC... ,

uPD..., 

µ

PD...

M-740V

MAIN

A-3021-220-A MAIN BOARD, COMPLETE

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

3-036-882-01 SPACER (JACK)

< CAPACITOR >

C101

1-163-989-11 CERAMIC CHIP

0.033uF

10%

25V

C102

1-110-501-11 CERAMIC CHIP

0.33uF

10.00% 16V

C103

1-110-501-11 CERAMIC CHIP

0.33uF

10.00% 16V

C104

1-163-017-00 CERAMIC CHIP

0.0047uF

5%

50V

C105

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C106

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C107

1-107-823-11 CERAMIC CHIP

0.47uF

10.00% 16V

C108

1-126-209-11 ELECT CHIP

100uF

20.00% 4V

C109

1-113-690-11 ELECT CHIP

220uF

20.00% 4V

C110

1-135-201-11 TANTALUM CHIP 10uF

20%

4V

C111

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C112

1-164-182-11 CERAMIC CHIP

0.0033uF

10%

50V

C113

1-163-037-11 CERAMIC CHIP

0.022uF

10%

25V

C114

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C115

1-163-251-11 CERAMIC CHIP

100PF

5.00%

50V

C116

1-164-346-11 CERAMIC CHIP

1uF

16V

C119

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C120

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C121

1-164-346-11 CERAMIC CHIP

1uF

16V

C122

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C123

1-164-005-11 CERAMIC CHIP

0.47uF

25V

C124

1-135-201-11 TANTALUM CHIP 10uF

20%

4V

C125

1-104-912-11 TANTAL. CHIP

3.3uF

20.00% 4V

C126

1-164-489-11 CERAMIC CHIP

0.22uF

10.00% 16V

C127

1-164-489-11 CERAMIC CHIP

0.22uF

10.00% 16V

C128

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C129

1-126-246-11 ELECT CHIP

220uF

20%

4V

C130

1-163-251-11 CERAMIC CHIP

100PF

5.00%

50V

C131

1-163-017-00 CERAMIC CHIP

0.0047uF

5%

50V

C132

1-163-038-11 CERAMIC CHIP

0.1uF

25V

C133

1-164-005-11 CERAMIC CHIP

0.47uF

25V

C134

1-124-778-00 ELECT CHIP

22uF

20%

6.3V

C135

1-164-505-11 CERAMIC CHIP

2.2uF

16V

C136

1-124-778-00 ELECT CHIP

22uF

20%

6.3V

C137

1-107-725-11 CERAMIC CHIP

0.1uF

10.00% 16V

C138

1-163-989-11 CERAMIC CHIP

0.033uF

10%

25V

C139

1-135-201-11 TANTALUM CHIP 10uF

20%

4V

C140

1-107-823-11 CERAMIC CHIP

0.47uF

10.00% 16V

C141

1-164-161-11 CERAMIC CHIP

0.0022uF

10%

100V

C142

1-164-005-11 CERAMIC CHIP

0.47uF

25V

C143

1-163-038-11 CERAMIC CHIP

0.1uF

25V

C144

1-163-017-00 CERAMIC CHIP

0.0047uF

5%

50V

C145

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C146

1-163-001-11 CERAMIC CHIP

220PF

10%

50V

C147

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C148

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

C149

1-163-035-00 CERAMIC CHIP

0.047uF

50V

C150

1-115-583-11 ELECT CHIP

10uF

20.00% 4V

C151

1-104-847-11 TANTAL. CHIP

22uF

20.00% 4V

C152

1-104-847-11 TANTAL. CHIP

22uF

20.00% 4V

C154

1-135-201-11 TANTALUM CHIP 10uF

20%

4V

C155

1-164-222-11 CERAMIC CHIP

0.22uF

25V

C156

1-163-251-11 CERAMIC CHIP

100PF

5.00%

50V

C157

1-107-725-11 CERAMIC CHIP

0.1uF

10.00% 16V

C158

1-163-038-11 CERAMIC CHIP

0.1uF

25V

C601

1-164-344-11 CERAMIC CHIP

0.068uF

10.00% 25V

C602

1-164-344-11 CERAMIC CHIP

0.068uF

10.00% 25V

C603

1-164-344-11 CERAMIC CHIP

0.068uF

10.00% 25V

C604

1-164-489-11 CERAMIC CHIP

0.22uF

10.00% 16V

C605

1-163-809-11 CERAMIC CHIP

0.047uF

10%

25V

C606

1-104-915-11 TANTALUM CHIP 2.2uF

20%

10V

C607

1-107-823-11 CERAMIC CHIP

0.47uF

10.00% 16V

C608

1-163-017-00 CERAMIC CHIP

0.0047uF

5%

50V

C609

1-163-009-11 CERAMIC CHIP

0.001uF

10%

50V

< CONNECTOR >

CN101

1-580-372-21 JACK,DC(POLARITY UNIFIED TYPE)(CN IN 3V)

< DIODE >

D101

8-719-977-03 DIODE   DTZ5.6B

< FERRITE BEAD >

FB101

1-414-235-11 FERRITE

0uH

< IC >

IC101

8-759-492-49 IC   LA4168ML-TE-L

IC601

8-759-566-10 IC   LB1877V-TLM

< JACK >

J101

1-785-791-11 JACK (MIC)

J102

1-785-790-11 JACK (EAR)

< TRANSISTOR >

Q101

8-729-800-37 TRANSISTOR

2SD1048-X7

Q102

8-729-402-84 TRANSISTOR

XN4601

Q103

8-729-230-72 TRANSISTOR

2SA1362YG

Summary of Contents for M-740V

Page 1: ... Hz with TAPE SPEED switch at 2 4 cm s Input Microphone input jack minijack PLUG IN POWER sensitivity 0 22 mV for 3 kilohms or lower impedance microphone Output Earphone jack minijack for 8 300 ohms earphone Power output at 10 harmonic distortion 250 mW Power requirements 3 V DC batteries R6 size AA 2 External DC 3V power sources Dimensions w h d Approx 62 2 120 5 25 5 mm 21 2 43 4 11 16 in incl p...

Page 2: ...p component Notice that the minus side of a tantalum capacitor may be dam aged by heat 1 GENERAL 3 2 DISASSEMBLY 2 1 Lid Assy Cassette 4 2 2 Lid Battery Case 4 2 3 Cabinet Rear Assy 5 2 4 Speaker Assy Microphone 5 2 5 Main Board 6 2 6 Mechanism Deck 6 2 7 LED Unit 7 2 8 Head Creamic HRPE901 902 7 3 MECHANICAL ADJUSTMENTS 8 4 ELECTRICAL ADJUSTMENTS 8 5 DIAGRAMS 5 1 Block Diagram 11 5 2 Printed Wiri...

Page 3: ... COUNTER CUE MARKER MIC PLUG IN POWER REC lamp M 830V Indicador REC M 830V REC BATT lamp M 740V Indicador REC BATT M 740V FAST PB EAR nN PAUSE CUE REVIEW xZ TAPE SPEED FAST PB Tape direction indicators Indicadores de sentido de la cinta DIR DIR This section is extracted from instruction manual ...

Page 4: ...rocedure in the numerical order given 2 1 LID ASSY CASSETTE 2 2 LID BATTERY CASE Set Lid assy cassette Head ceramic HRPE901 902 LED unit Lid battery case Cabinet rear assy Main board Mechanism deck Speaker Microphone MIC901 Lid assy cassette 2 axis 3 axis 4 claw 5 1 Zp Eject Stop button Lid battery case 1 claw 1 claw 2 ...

Page 5: ...ches 2 4 SPEAKER MICROPHONE MIC901 2 Four screws B1 7 16 1 Screw B1 7 5 3 Claw 5 Cabinet rear assy 4 Claws Switch TAPE SPEED Switch PAUSE Knob PAUSE Knob FR 4 Unsolder 2 places 1 Unsolder 2 places 2 Two screws B2 2 5 3 Speaker 8 Microphone MIC901 5 Holder MIC 6 7 Mic cushion ...

Page 6: ...6 M 740V 2 6 MECHANISM DECK 2 5 MAIN BOARD 1 Unsolder 8 places 4 Two screws 2 Unsolder 6 places 6 Main board 3 Unsolder 4 places 5 6 4 Mechanism deck Button EJECT STOP Button PLAY Button REC 2 1 3 ...

Page 7: ... 740V 2 7 LED UNIT 2 8 HEAD CERAMIC HRPE901 902 Blacket LED Claw LED unit 1 Three screws 1 7 2 3 tapping 2 1 Claw 3 M1 4 special head 4 M1 4 special head 2 Arm pinch roller assy 5 Head ceramic HRPE901 902 ...

Page 8: ...ECTRICAL ADJUSTMENTS 2 Turn the adjustment screw to obtain the maximum reading on level meter Note Several peaks may appear but the maximum First remove the cover AZ EAR jack J102 set 16 Ω test tape S 2 A030A 3 kHz 20 dB level meter Remove the cover AZ Head azimuth adjustment screw FWD REV Tape Tension Measurement Mode Forward Reverse Fast Forward Rewind Torque Meter CQ 102M CQ 102MR CQ 201M CQ 20...

Page 9: ...lind 1 Tape Speed 2 4 cm s Playback WS 24 tape center part and adjust RV601 so that reading on the digital frequency counter becomes 3 000 Hz 2 Tape Speed 1 2 cm s Playback WS 24 tape center part and adjust RV602 so that reading on the digital frequency counter becomes 3 000 Hz 0000 EAR jack J102 digital frequency counter set 16 Ω test tape WS 24 tape speed 1 2 2 4cm s 3 kHz 10 dB Remove the plate...

Page 10: ... MIC IN Vref OUT MIC VCC R F OUT LED DRIVE R P SW PAUSE P R MUTE GVN CONT GVN Vref Vs GVN GND GVN OUT PRE NF PRE OUT REG IN REG OUT ALC CONT VOX CONT VOX DELAY GNV SPEED UP AUT STOP CONT AUT STOP IN PWR IN PWR OUT1 PWR GND PWR OUT2 Vcc UOUT DR VCC LB FC OUT VSP IN VREF S S 20 19 18 17 16 15 14 13 12 11 VOUT WOUT P GND WB VB UB OSC COM GND RI 1 2 3 4 5 6 7 8 9 10 DRIVER STARTUP DIR LOGIC STARTUP DE...

Page 11: ... PB REC OFF L H S102 VOR RV101 VOL 24 11 14 PWR IN PWR OUT2 12 16 1 13 11 14 15 19 2 20 22 PWR OUT1 GVM OUT GVN VREF GVN CONT POWER AMP IC101 2 2 LED DRIVE 23 P R SW P R PAUSE M B 3V M901 MOTOR S101 4 4 REC PB J102 EAR SP901 SPEAKER LED UNIT B B DRY BATTERY SIZE AA IED DESIGNATION R6 2PCS 3V DC IN 3V CN101 S103 POWER S604 DIR Signal path PB REC REC MUTE Q120 MUTE SWITCH Q119 Q108 VREF MUTE SWITCH ...

Page 12: ... A the pattern face are indicated Parts face side Parts on the parts face side seen from SIDE B the parts face are indicated IC601 IC101 cm cm 1 A B C D E F G H 2 3 4 5 6 7 8 9 10 11 12 13 Ref No Location D101 B 3 IC101 E 4 IC601 C 4 Q101 G 4 Q102 F 3 Q103 E 5 Q104 D 5 Q105 C 9 Q106 D 5 Q107 D 6 Q108 G 11 Q109 D 6 Q111 E 3 Q112 E 3 Q116 D 5 Q117 F 11 Q118 G 6 Q119 D 6 Q120 F 11 Q603 D 11 Semicondu...

Page 13: ...wise specified C panel designation A B Line H adjustment for repair Power voltage is dc 3 V and fed with regulated dc power supply from battery terminal Voltage is dc with respect to ground under no signal condition no mark PB REC Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path E PB a REC Refer to page 10 for IC B...

Page 14: ... items XX and X mean standardized parts so they may have some difference from the original one Accessories and packing materials are given in the last of this parts list 6 1 CABINET SECTION 1 2 9 39 4 47 5 45 46 33 34 14 44 36 37 23 21 22 35 19 26 25 27 28 29 30 40 31 32 24 18 38 17 16 41 20 42 12 11 10 7 MIC901 SP901 not supplied 6 1 A 2 X 4 3 0 5 3 0 6 3 6 7 3 0 9 3 0 10 1 4 11 3 0 12 3 3 14 3 0...

Page 15: ...23 3 831 441 01 SPACER KNOB 24 A 3021 220 A MAIN BOARD COMPLETE 25 X 3380 123 2 CABINET REAR ASSY 26 3 037 004 01 PAPER A SHIELD 27 3 031 660 01 KNOB FR 28 3 035 255 11 SCREW 1 7X16 29 3 358 363 81 PLATE BLIND 30 3 318 203 72 SCREW B1 7X5 TAPPING 31 3 031 662 22 LID BATTERY CASE 32 3 914 930 11 CUSHION BATTERY CASE LID 33 3 328 319 01 STRAP HAND 34 3 037 193 01 CUSHION SP 35 3 037 146 01 CUSHION A...

Page 16: ... 01 WASHER A 70 3 028 967 01 LEVER PAUSE RELEASE 71 3 028 954 01 SPRING SW LEVER TENSION 72 3 321 813 71 RING RETAINING 73 3 028 928 01 LEVER EJECT 74 3 028 964 01 SPRING SLIDER TORSION 75 4 926 562 01 WASHER STOPPER 76 3 028 927 01 LEVER STOP 77 X 3378 643 1 LEVER REVERSE SWITCH ASSY 78 X 3376 236 1 LEVER CLAW DETECTION R ASSY 79 3 029 635 01 SPRING LEVER DIR TORSION 80 3 029 639 01 SPRING TENSIO...

Page 17: ...rt No Description Remark Ref No Part No Description Remark 114 3 028 922 01 BRACKET N HEAD 115 X 3376 234 1 BRACKET R ASSY HEAD 116 3 028 962 01 SPRING TORSION 117 3 028 910 01 GUIDE R TAPE 118 3 028 921 01 LEVER HEAD ROTARY 119 3 029 808 01 BRACKET MOTOR 120 3 365 053 01 SHEET BA ADHESIVE 121 3 704 197 71 SCREW M1 4X4 5 M901 1 763 236 11 MOTOR DC REEL CAPSTAN WITH PULLY HRPE9011 500 593 11 HEAD C...

Page 18: ...ERAMIC CHIP 0 001uF 10 50V C129 1 126 246 11 ELECT CHIP 220uF 20 4V C130 1 163 251 11 CERAMIC CHIP 100PF 5 00 50V C131 1 163 017 00 CERAMIC CHIP 0 0047uF 5 50V C132 1 163 038 11 CERAMIC CHIP 0 1uF 25V C133 1 164 005 11 CERAMIC CHIP 0 47uF 25V C134 1 124 778 00 ELECT CHIP 22uF 20 6 3V C135 1 164 505 11 CERAMIC CHIP 2 2uF 16V C136 1 124 778 00 ELECT CHIP 22uF 20 6 3V C137 1 107 725 11 CERAMIC CHIP 0...

Page 19: ... METAL CHIP 10K 5 1 10W R134 1 216 081 00 METAL CHIP 22K 5 1 10W R135 1 216 097 11 RES CHIP 100K 5 1 10W R137 1 216 009 00 RES CHIP 22 5 1 10W R138 1 216 009 00 RES CHIP 22 5 1 10W R139 1 216 053 00 METAL CHIP 1 5K 5 1 10W R140 1 216 013 00 METAL CHIP 33 5 1 10W R141 1 216 009 00 RES CHIP 22 5 1 10W R142 1 216 073 00 METAL CHIP 10K 5 1 10W R143 1 216 073 00 METAL CHIP 10K 5 1 10W R144 1 216 089 11...

Page 20: ...NUAL INSTRUCTION ENGLISH SPANISH ITALIAN PORTUGUESE E 3 229 699 51 MANUAL INSTRUCTION ENGLISH CHINESE HUNGARIAN RUSSIAN Chinese EastEuropean 3 229 699 61 MANUAL INSTRUCTION FRENCH SLOVAK POLISH CZECH EastEuropean 3 229 699 71 MANUAL INSTRUCTION ENGLISH CHINESE E Ref No Part No Description Remarks ...

Page 21: ...cking the version allows you to jump 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 0 2001 02 New M 740V ...

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