SLV-SE740B, SLV-SE740D, SLV-SE740E, SLV-SE740G, SLV-SE740I, SLV-SE740N, SLV-SE747E, SLV-SE840B, SLV-SE840D, SLV-SE840E, SLV-SE840G, SLV-SE840N, SLV-SX740D, SLV-SX740E, SLV-SX740N - Sony VCR Service Manual (repair manual). Page 3

— 3 —

◆ Mode Switch (Program Switch) Assembly Point ························· 4
◆ How to eject the cassette tape

(If the tape is stuck in the unit) ··············································  4

Getting Started

Index to parts and controls ················································· 1-1
Step 1 : Unpacking ····························································· 1-2
Step 2 : Setting up the remote commander ························· 1-3
Step 3 : Connecting the VCR ············································· 1-4
Step 4 : Setting up the VCR with the Auto

Set Up function ····················································· 1-5

Downloading the TV tuner’s preset data ···························· 1-5
Selecting a language ··························································· 1-5
Presetting channels ····························································· 1-6
Changing/disabling programme positions ·························· 1-6
Setting the clock ································································· 1-8

Basic Operations

Playing a tape ····································································· 1-8
Recording TV programmes ················································ 1-9
Recording TV programmes using the Dial Timer ············ 1-10
Recording TV programmes using
the VIDEO Plus+

R

 system ················································ 1-11

Setting the timer manually ··············································· 1-12

Additional Operations

Playing/searching at various speeds ································· 1-13
Setting the recording duration time ·································· 1-13
Synchronized Recording ·················································· 1-14
Checking/changing/cancelling timer settings ··················· 1-14
Recording stereo and bilingual programmes ···················· 1-15
Searching using the index function ·································· 1-15
Adjusting the picture ························································ 1-16
Reducing the VCR’s power consumption ························ 1-16
Changing menu options ···················································· 1-16

Editing

Connecting to a VCR or stereo system ····························· 1-17
Basic editing ····································································· 1-17
Audio dubbing ·································································· 1-17

Additional Information

Troubleshooting ································································ 1-18
Index ················································································· 1-19

Quick Start Guide ······································································· 1-19

2-1

Cabinet and PCB

2-1-1 Cabinet Top ······································································· 2-1
2-1-2 Cover Bottom ···································································· 2-1
2-1-3 Ass’y Panel Front ······························································ 2-2
2-1-4 Ass’y Jack PCB ································································· 2-2
2-1-5 Ass’y Main-PCB, Deck ····················································· 2-3
2-2

VCR Deck Parts Locations

2-2-1 Top View ··········································································· 2-4
2-2-2 Bottom View ······································································ 2-6
2-3

VCR DECK

2-3-1 Holder FL Cassette Ass’y Removal ·································· 2-7
2-3-2 Lever FL Door Removal ··················································· 2-7
2-3-3 Slider FL Drive, Gear FL Cam Removal ·························· 2-8
2-3-4 Lever FL Arm Ass’y Removal ·········································· 2-8
2-3-5 Gear Worm Wheel Removal ·············································· 2-9
2-3-6 Cable Flat Removal ··························································· 2-9
2-3-7 Motor Loading Ass’y Removal ······································· 2-10
2-3-8 Bracket Gear, Gear Joint 2, 1 Removal ··························· 2-10

2-3-9 Gear Loading Drive, Slider Cam,

Lever Load S, T Ass’y Removal ····································· 2-11

2-3-10 Gear Loading Drive, Slider Cam,

Lever Load S, T Ass’y Assembly ···································· 2-11

2-3-11 Lever Pinch Drive, Lever Tension Drive Removal ·········· 2-12
2-3-12 Lever Tension Ass’y, Band Brake Ass’y Removal ·········· 2-12
2-3-13 Lever Brake S, T Ass’y Removal ···································· 2-13
2-3-14 Gear Idle Ass’y Removal ················································ 2-13
2-3-15 Disk S, T Reel Removal ·················································· 2-14
2-3-16 Holder Clutch Ass’y Removal ········································· 2-14
2-3-17 Lever Up Down Ass’y, Gear Center Ass’y Removal ······ 2-15
2-3-18 Guide Cassette Door Removal ········································ 2-15
2-3-19 Lever Unit Pinch Ass’y, Plate Joint,

Spring Pinch Drive Removal ··········································· 2-16

2-3-20 Lever #9 Guide Ass’y Removal ······································ 2-16
2-3-21 FE Head Removal ··························································· 2-17
2-3-22 ACE Head Removal ························································ 2-17
2-3-23 Slider S, T Ass’y Removal ·············································· 2-18
2-3-24 Plate Ground Deck, Cylinder Ass’y Removal ················· 2-18
2-3-25 Belt Pulley Removal ························································ 2-19
2-3-26 Motor Capstan Ass’y Removal ······································· 2-19
2-3-27 Post #8 Guide Ass’y Removal ········································· 2-20
2-3-28 Level Head Cleaner Ass’y Removal ······························· 2-20
2-3-29 How to Eject the Cassette Tape ······································· 2-20
2-4

The Table Of Cleaning, Lubrication and
Replacement Time About Principal Parts ······················· 2-21

3-1

Main PCB ··········································································· 3-3

3-2

Dial Timer PCB ·································································· 3-7

3-3

Front A/V PCB ··································································· 3-9

◆ Block Identification of Main PCB ············································ 4-3
4-1

S.M.P.S. ·············································································· 4-5

4-2

Power ·················································································· 4-7

4-3

System Control/Servo ························································· 4-9

4-4

Audio/Video ····································································· 4-11

4-5

Hi-Fi ················································································· 4-13

4-6

TM-Block ········································································· 4-15

4-7

OSD/VPS/PDC ································································· 4-17

4-8

SECAM (SE740B/SE840B) ············································· 4-19

4-9

A2/NICAM ······································································· 4-21

4-10 Input-Output (2 Scart Jack) ·············································· 4-23
4-11 Function ············································································ 4-25

5-1

VCR Adjustment ································································ 5-1

5-1-1 Location of adjustment button of remote control ··············· 5-1
5-1-2 Test point location for adjustment mode setting ················ 5-2
5-2

Head Switching Point Adjustment ····································· 5-3

5-3

NVRAM Option Setting ····················································· 5-3

5-4

VCR Mechanical Adjustment ············································· 5-5

5-4-1 Tape Transport System and Adjustment Locations ············ 5-5
5-4-2 Tape Transport System Adjustment ···································· 5-6
5-4-3 Reel Torque ······································································ 5-11

6-1

Exploded Views ·································································· 6-2

6-1-1 Instrument Assembly ·························································· 6-2
6-1-2 Mechanical Parts (Top Side) ·············································· 6-3
6-1-3 Mechanical Parts (Bottom Side) ········································· 6-4
6-2

Electrical Parts List ···························································· 6-5