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Sony SLV-SE720 User Manual

Sony SLV-SE720
96 pages
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VDE
vaes
SLV-SE220/SE420/SE620/SE720/
SE727/SE820/SX720/SX72
RMT-V405/V405A/V406/V406A/V406B/V407A/V407B/V407C
SERVICE
MANUAL
AEP
Model
SLV-SE220/SE620/SE720/SE727/
eas
SE820/SX720/SX727
UK
Model
SLV-SE220G/SE720G/SE820
Russian
Model
SLV-SE420K/SE620N/SE720N/
VHS
SE820N/SX720N
o
oO
wo
loelFa
SHOWVIEW’
[ud-4=
Photo
:
SLV-SE620D
(engi
(for
UK
model)
RMT-V406
TS-10
MECHANISM
|
Refer
to
the
SERVICE
MANUAL
of
VHS
MECHANI-
CAL
ADJUSTMENT
MANUAL
VII
for
MECHANICAL
ADJUSTMENTS.
(9-921-790-11)
The
abbreviations
of
SLV-SE220/SE420/SE620/SE720/SE727/SE820/SX720/SX727
contained
in
this
service
manual
are
indicated
when
these
models
are
common
to
all
their
corresponding
models
as
given
below.
Abbreviated
models
name
|SE220__|SE420__|SE620
_|SE720__|SE727_|SE820
_|$X720
AEP
models
SLV-
SE220B
|SE620B
|SE720B
|SE727E
|SE820B
|Sx720D
|$x727D
SE220D
SE620D_|
SE720D
SE820D
|SX720E
SE2201
SE620E
|
SE720E
SE820E
SE7201
UK
models
SLV-
SE220G
-
-
_|SE720G
-
_|SE820G
ae
“fk
Russian
models
SLV-
-
__|SE420K
|SE620N
|
SE720N
-
_|SE820N
|Sx720N
|
-
The
SLV-SE220D/SE620D/SE720D/SX720D/SX727D/SE820D
model
and
SLV-SE420K/SE620N/SE720N/SX720N/SE820N
model
that
have
destination
of
Germany,
Hungary
and
Austria
are
repaired
only
at
the
centralized
service
centers.
Send
these
model
to
the
centralized
service
centers
for
repair.
SPECIFICATIONS
System
LP:
PAL/MESECAM*
Rewind
time
Channel
coverage
11.70
mm/s
Approx.
|
min.
(with
E180
tape)
e
(recording/playback)
ee)
NTSC
16.67
mm/s
Inputs
and
outputs
se
Sane
f
69
(playback
only)
LINE-1
(EURO
AV)
Ra
eau
EP:
NTSC
11.12
mm/s
21-pin
CE
Se
ens
(playback
only)
Video
input:
pin
20
a)
ee
ice
*MESECAM:
for
B
model
Audio
input:
pins
2
and
6
UHF
channels
21-69
Maximum
recording/playback
time
Video
output:
pin
19
issues
10
hrs.
in
LP
mode
(with
E300
tape)
Audho
aut
putapine
Lands
75-ohm
asymmetrical
aerial
socket
2
SGeinied
onan
pase
Tape
speed
ee
VIDEO
CASSETTE
RECORDER
(recording/playback)
NTSC
33.35
mm/s
(playback
only)
SONY.

Table of Contents

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Sony SLV-SE720 Specifications

General IconGeneral
BrandSony
ModelSLV-SE720
CategoryVCR
LanguageEnglish

Summary

SPECIFICATIONS

System Specifications

Details on channel coverage, RF signal, tape speed, and I/O.

General Specifications

Power, Temperature, Dimensions, and Mass

Electrical power, operating/storage temperatures, physical dimensions, and weight.

SAFETY CHECK-OUT

Safety Checks Before Releasing Unit

Post-repair checks for safety, solder joints, wiring, parts, and voltages.

1. General

Getting Started and Model Identification

Unpacking, remote setup, model checking, and basic VCR connections.

Getting Started

Remote Commander Setup and TV Control

Inserting batteries, controlling TV, and TV code numbers for the remote.

Getting Started

VCR Connection Procedures

Connecting VCR to TV using Scart or aerial cables and SMARTLINK features.

Additional Connections

Stereo System and Tuner Connections

Connecting to stereo systems and satellite/digital tuners for improved audio/video.

Getting Started

Auto Set Up Function and TV System Selection

Automatic setup for language, channels, and selecting the correct TV system.

Selecting the TV system

Setting the clock

Time and Date Configuration

Setting the VCR clock for timer functions and auto-setting options.

Downloading TV tuner preset data

SMARTLINK TV Channel Data Transfer

Transferring TV tuner preset data via SMARTLINK for easier channel setup.

Selecting a language

On-Screen Display Language Settings

Changing the on-screen display language from the Auto Set Up selection.

Presetting channels

Manual Channel Tuning and Setup

Manually tuning and naming TV channels not preset by the Auto Set Up function.

Changing/disabling programme positions

Managing Programme Positions and Station Names

Changing channel order, disabling unwanted channels, and editing station names.

Setting the Canal Plus decoder

Connecting and Setting Up Decoder Channels

Connecting a Canal Plus decoder and setting its channels for viewing/recording.

Basic Operations

Playing a Tape

Inserting tape, basic playback controls, and additional playback tasks.

Basic Operations

Recording TV Programmes

Basic recording procedures, stopping, checking remaining time, and watching other programs.

Basic Operations

Recording Management and TV Direct Rec

Saving recordings, preventing erasure, and direct recording from TV.

Dial Timer Recording

Setting timer recordings using the Dial Timer function for up to eight programs.

Basic Operations

Dial Timer Recording

Advanced Dial Timer features, cancellation, and demonstration mode usage.

ShowView® System Recording

Using ShowView codes for simplified timer recording of TV programs.

Basic Operations

Timer Recording Functions

Timer recording patterns (daily/weekly), VCR usage after timer setting, and Auto Tape Speed.

Auto Tape Speed Function

Automatic adjustment of tape speed (SP to LP) during recording to conserve tape.

Additional Operations

Playing and Searching at Various Speeds

Viewing and searching tape content at different playback speeds and using shuttle ring.

Shuttle Ring Operation Modes

Using the shuttle ring for normal and jog mode playback operations.

Additional Operations

Setting Recording Duration Time

Automatically stopping recording after a specified duration.

Timer Settings Management

Checking, changing, or cancelling existing timer recordings.

Stereo and Bilingual Recording

Recording stereo and bilingual programs using ZWEITON and NICAM systems.

Additional Operations

NICAM System Sound Recording

Recording NICAM stereo and bilingual programs, selecting sound modes.

Index Function Search

Finding specific recordings using automatically generated index signals.

Additional Operations

Picture Adjustment

Adjusting tracking, sharpness (Smart Trilogic), and picture quality.

Power Consumption Reduction

Turning off display indicators to minimize VCR power consumption in standby mode.

Changing Menu Options

Modifying settings via USER SET and EASY OPERATION menus.

Editing

Connecting to External Audio/Video Systems

Connecting VCR to other VCRs or stereo systems for recording and dubbing.

Basic Editing and Audio Dubbing

Performing basic editing and audio dubbing functions on recorded tapes.

Additional Information

Troubleshooting Common Issues

Solutions for common problems related to power, clock, picture, sound, recording, and remote control.

2. Disassembly

2-1 Mono Models Disassembly

Step-by-step guide for disassembling mono model VCRs, focusing on cabinet and bottom covers.

2. Disassembly

2-2 Hi-Fi Models Disassembly

Step-by-step guide for disassembling Hi-Fi model VCRs, covering cabinet, covers, and PCBs.

4. Schematic Diagrams

Main PCB Block Identification

Overview of functional blocks on the VCR's main printed circuit board.

4-1 S.M.P.S. (A)

Power Supply Schematic

Schematic diagram for the Switched-Mode Power Supply (SMPS) for specific models.

4-2 S.M.P.S. (B)

Power Supply Schematic

Schematic diagram for the Switched-Mode Power Supply (SMPS) for specific models.

4-3 Power (A)

Power Drive Block Schematic

Schematic diagram of the power drive block for specific VCR models.

4-4 Power (B)

Power Drive Block Schematic

Schematic diagram of the power drive block for specific VCR models.

4-5 System Control/Servo (A)

System Control and Servo Circuit Schematic

Schematic for system control and servo functions in specific VCR models.

System Control/Servo (B)

System Control and Servo Circuit Schematic

Schematic for system control and servo functions in specific VCR models.

4-7 Audio/Video

Audio and Video Signal Processing Schematic

Schematic diagram illustrating audio/video signal paths for recording and playback.

4-8 Hi-Fi (Option)

Hi-Fi Audio Processing Schematic

Schematic for Hi-Fi audio processing circuits in optional configurations.

4-9 TM-Block

TM Block Schematic Diagram

Schematic diagram of the TM block, handling video and audio signals.

4-10 OSD/VPS/PDC

OSD/VPS/PDC Circuit Schematic

Schematic for On-Screen Display, VPS, and PDC signal processing.

4-11 OSD/VPS/PDC (B)

OSD/VPS/PDC Circuit Schematic

Schematic for On-Screen Display, VPS, and PDC signal processing for specific models.

4-12 SECAM

SECAM Signal Processing Schematic

Schematic diagram for SECAM signal processing for specific models.

4-13 A2/NICAM

A2/NICAM Audio System Schematic

Schematic for A2/NICAM audio systems, commonly found in Hi-Fi models.

4-14 Input-Output (2 Scart Jack)

2-Scart Jack Input/Output Schematic

Schematic illustrating connections and signal flow for the 2-Scart jack.

4-15 Input-Output (1 Scart Jack)

1-Scart Jack Input/Output Schematic

Schematic illustrating connections and signal flow for the 1-Scart jack on specific models.

4-16 Sub

Sub-Circuit Schematics

Schematic diagrams for various sub-circuits including RF, TM, and others.

Block Identification of Main PCB

Component Side Layout

Diagram showing the layout of functional blocks on the main PCB's component side.

5-1-3 SW7T21 (TEST) location for adjustment mode setting

Test Button Location on Function PCB

Identifies the SW7T21 test button on the Function PCB for adjustment mode entry.

5. Alignment and Adjustment

Mechanical Adjustment Procedures

Procedures for mechanical adjustments including test points, ACE head position, and tilt.

5. Alignment and Adjustment

Head Switching Point and NVRAM Settings

Adjusting head switching points and configuring NVRAM options for model compatibility.

6. Repair Parts List

Exploded Views of Component Assemblies

Visual breakdown of VCR parts for identification and ordering.

Electrical Parts List

Comprehensive list of electrical components with part numbers and specifications.

1. Disassembly and Reassembly

Deck Parts Locations and Top View

Identifying major parts on the deck's top view for disassembly.

1. Disassembly and Reassembly

Deck Parts Locations and Bottom View

Identifying major parts on the deck's bottom view for disassembly.

1. Disassembly and Reassembly

Main Deck Disassembly Steps

Detailed steps for removing front panel components like levers and cassette holders.

1. Disassembly and Reassembly

Main Deck Component Removal

Procedures for removing slider drives, cams, levers, and arms from the main deck.

1. Disassembly and Reassembly

Gear Worm Wheel and Motor Loading Removal

Steps to remove the gear worm wheel and motor loading assembly.

1. Disassembly and Reassembly

Gear Assemblies and Loading Drive Removal

Procedures for removing bracket gears, gear joints, loading drive, and related lever assemblies.

1. Disassembly and Reassembly

Loading Drive, Slider Cam, and Lever Removal

Steps for assembling loading drives and removing pinch/tension drive components.

1. Disassembly and Reassembly

Lever Tension, Band Brake, and Brake S/T Removal

Procedures for removing tension levers, band brakes, and brake assemblies.

1. Disassembly and Reassembly

Gear Idle and Reel Removal

Steps for removing gear idle assemblies and disk reels.

1. Disassembly and Reassembly

Holder Clutch and Lever Up Down/Gear Center Removal

Procedures for removing the holder clutch and lever up/down assemblies.

1. Disassembly and Reassembly

Guide Cassette Door and Pinch Drive Removal

Steps for removing the guide cassette door and pinch drive components.

1. Disassembly and Reassembly

#9 Guide and FE Head Removal

Procedures for removing the #9 guide assembly and the FE head.

1. Disassembly and Reassembly

ACE Head and Slider S/T Removal

Steps for removing the ACE head assembly and slider S/T assemblies.

1. Disassembly and Reassembly

Plate Ground Deck, Cylinder, Belt Pulley, and Head Cleaner Removal

Procedures for removing deck plates, cylinders, pulleys, and head cleaner assemblies.

1. Disassembly and Reassembly

Capstan Damper and Eject Mechanism Removal

Steps for removing damper capstan, motor capstan, and eject mechanism.

1. Disassembly and Reassembly

Part Clearing, Lubrication, and Replacement Times

Table detailing maintenance intervals for principal parts, including cleaning and lubrication.

1. Disassembly and Reassembly

Required Tools and Fixtures for Service

List of specialized tools and fixtures needed for servicing the VCR.

2. Alignment and Adjustment

Tape Transport System Locations and Adjustment Overview

Identifies key points for tape transport alignment and outlines when adjustments are needed.

2. Alignment and Adjustment

ACE Head Assembly Adjustments

Detailed procedures for ACE head height, tilt, azimuth, and X-point adjustments.

2. Alignment and Adjustment

Linearity Adjustment and Transitional Checks

Adjusting guide rollers for linearity and checking video envelope during tape transitions.

2. Alignment and Adjustment

Envelope, Wrinkle Checks, and Reel Torque

Performing envelope checks, tape wrinkle checks, and measuring reel torque.

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