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Table Of Contents - Sony SLV-ED8KR Service Manual

Video cassette recorder
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Section
SERVICE NOTE ...................................................................... 4
1.
Getting Started .............................................................. 1-1
Basic Operations ........................................................... 1-5
Additional Operations .................................................... 1-8
Editing ............................................................................ 1-11
Additional Information ................................................... 1-12
2.
2-1.
Upper Case Removal .................................................... 2-1
2-2.
RJ-79, NK-11 Board Removal ....................................... 2-1
2-3.
Rear Panel Removal ..................................................... 2-1
2-4.
Front Panel Section Removal ....................................... 2-1
2-5.
Removal (ED9) .............................................................. 2-2
2-6.
Control Switch Block Removal (ED9) ........................... 2-2
2-7.
2-8.
Mechanism Deck Removal ........................................... 2-2
2-9.
Power Block Removal ................................................... 2-3
2-10. PS-414, MA-325 board Removal .................................. 2-3
2-11. Internal Views ................................................................ 2-4
2-12. Circuit Boards Location ................................................. 2-5
3.
3-1.
Overall Block Diagram .................................................. 3-1
3-2.
Video1 Block Diagram ................................................... 3-4
3-3.
Video2 Block Diagram ................................................... 3-5
3-4.
Servo/System control Block Diagram ........................... 3-7
3-5.
Audio Block Diagram ..................................................... 3-9
3-6.
Tuner Block Diagram ..................................................... 3-11
3-7.
Mode Control Block Diagram ........................................ 3-13
3-8.
Power Block Diagram .................................................... 3-15
4.
4-1.
Frame Schematic Diagram ........................................... 4-3
4-2.
Printed Wiring Boards and Schematic Diagrams ......... 4-5
MA-325 (Head Amp) Schematic Diagram .................... 4-5
MA-325 Printed Wiring Board ....................................... 4-9
MA-325 (Bias, CTL) Schematic Diagram ..................... 4-19
MA-325 (Hi-Fi Audio) Schematic Diagram .................... 4-21
MA-325 (OSD) Schematic Diagram .............................. 4-23
MA-325 (IO) , RJ-79 Schematic Diagrams and
RJ-79 Printed Wiring Board .......................................... 4-25
MA-325 (Tuner) Schematic Diagram ............................ 4-27
NK-11 Printed Wiring Board and
Schematic Diagram ....................................................... 4-29
DM-77, IO-64 Printed Wiring Boards and
Schematic Diagrams ..................................................... 4-31
FR-137, SW-307 Printed Wiring Boards ....................... 4-33
FR-137, SW-307 Schematic Diagram .......................... 4-35
PS-414 Printed Wiring Board ........................................ 4-37
PS-414 Schematic Diagram .......................................... 4-39
SR-718 Printed Wiring Board ....................................... 4-41
SR-718 Schematic Diagram ......................................... 4-43

TABLE OF CONTENTS

Title
Page
Section
5.
INTERFACE, IC PIN FUNCTION DESCRIPTION
5-1.
(MA-325 board IC161) .................................................. 5-1
5-2.
(MA-325 board IC161) .................................................. 5-1
5-3.
(MA-325 board IC161) .................................................. 5-2
5-4.
Interface (MA-325 board IC161) ................................... 5-3
5-5.
(MA-325 board IC161) .................................................. 5-3
5-6.
(MA-325 board IC161) .................................................. 5-4
5-7.
(FR-137 board IC301) ................................................... 5-5
5-8.
KOREAN Processor Pin Function
(NK-11 board IC1) ......................................................... 5-6
6.
7.
7-1.
Mechanical Adjustments ............................................... 7-1
7-2.
Adjustments ................................................................... 7-1
2-1.
EEP ROM Initial Data Input .......................................... 7-1
7-3.
Electrical Adjustments ................................................... 7-1
3-1.
Pre-Adjustment Preparations ........................................ 7-1
3-1-1. Instruments to be Used ............................................ 7-1
3-1-2. Connection ............................................................... 7-1
3-1-3. Set-up of Adjustment ............................................... 7-2
3-1-4. Alignment Tapes ....................................................... 7-2
Input/Output Terminal ............................................... 7-2
3-1-6. Adjusting Sequence ................................................. 7-2
3-2.
Power Supply Adjustment ............................................. 7-2
3-2-1. Power Supply Check ................................................ 7-2
3-2-2. +6 V Adjustment ....................................................... 7-2
3-3.
Servo System Adjustment ............................................. 7-3
3-3-1. RF Switching Position Adjustment ........................... 7-3
3-4.
Audio System Adjustments ........................................... 7-3
3-4-1. Hi-Fi Audio System Adjustment ............................... 7-3
1.
AF Switching Position Adjustment ........................... 7-3
2.
Frequency Response Check .................................... 7-4
3.
Distortion Factor Check ........................................... 7-4
4.
Overall S/N Check .................................................... 7-4
3-4-2. Normal Audio System Adjustment ........................... 7-5
1.
ACE Head Adjustment ............................................. 7-5
2.
E-E Output Level Check ........................................... 7-5
3.
Frequency Responce Check .................................... 7-5
4.
Factor Check ............................................................ 7-5
5.
Overall S/N Check .................................................... 7-5
3-5.
Video System Adjustment ............................................. 7-5
3-6.
8.
8-1.
Exploded Views ............................................................. 8-1
8-1-3. Chassis Assembly .................................................... 8-3
8-1-4. Mechanism Chassis Assembly (1) ........................... 8-4
8-1-5. Mechanism Chassis Assembly (2) ........................... 8-5
8-1-6. Mechanism Chassis Assembly (3) ........................... 8-6
8-2.
Electrical Parts List ........................................................ 8-7
- 3 -
Title
.......................................................... 6-1
Page

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