– 4 –
Feature Difference ................................................................... 3
SERVICE NOTE ...................................................................... 5
1.
GENERAL
Getting Started .............................................................. 1-1
Basic Operations ........................................................... 1-7
Additional Operations .................................................... 1-11
Additional Information ................................................... 1-14
2.
DISASSEMBLY
2-1.
Upper Case Removal .................................................... 2-1
2-2.
Front Panel Removal ..................................................... 2-1
2-3.
Rear Panel Removal ..................................................... 2-1
2-4.
DS-78, FI-14 Boards Removal ...................................... 2-1
2-5.
ETXNY 165E1D Block Removal ................................... 2-2
2-6.
Mechanism Deck Removal ............................................ 2-2
2-7.
MA-314 Board Removal ................................................ 2-2
2-8.
Internal Views ................................................................ 2-3
2-9.
Circuit Boards Location ................................................. 2-4
3.
BLOCK DIAGRAMS
3-1.
Overall Block Diagram ................................................... 3-1
3-2.
Video Block Diagram ..................................................... 3-4
3-3.
Servo/System Control Block Diagram .......................... 3-7
3-4.
I/O, C+ Block Diagram ................................................... 3-9
3-5.
Audio Block Diagram ..................................................... 3-11
3-6.
Tuner Block Diagram ..................................................... 3-12
3-7.
Mode Control Block Diagram ........................................ 3-15
3-8.
Power Block Diagram .................................................... 3-17
4.
PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
4-1.
Frame Schematic Diagram ............................................ 4-1
4-2.
Printed Wiring Boards and Schematic Diagrams ......... 4-4
MA-314 Printed Wiring Board ....................................... 4-5
MA-314 (Head Amp) Schematic Diagram .................... 4-7
MA-314 (Secam) Schematic Diagram .......................... 4-11
MA-314 (Video, Audio) Schematic Diagram ................. 4-13
MA-314 (Servo/System Control) Schematic Diagram .. 4-18
MA-314 (FL Driver, OSD, VPS/PDC)
Schematic Diagram ....................................................... 4-21
MA-314 (IO) Schematic Diagram .................................. 4-26
MA-314 (Tuner) Schematic Diagram ............................ 4-29
MA-314 (Power Supply) Schematic Diagram ............... 4-31
DS-78, FI-14 Printed Wiring Board and
Schematic Diagram ....................................................... 4-33
ETXNY 165E1D Printed Wiring Board .......................... 4-35
ETXNY 165E1D Schematic Diagram ........................... 4-37
5.
INTERFACE, IC PIN FUNCTION DESCRIPTION
5-1.
System Control-Video/RP Block Interface
(MA-314 board IC161) .................................................. 5-1
5-2.
System Control-Servo Peripheral Circuit Interface
(MA-314 board IC161) .................................................. 5-1
5-3.
System Control-Mechanism Interface
(MA-314 board IC161) .................................................. 5-2
5-4.
System Control-System control Peripheral circuit
Interface (MA-314 board IC161) ................................... 5-3
5-5.
System Control-Audio Block Interface
(MA-314 board IC161) .................................................. 5-3
5-6.
Servo/System/Tuner/Timer Control Microprocessor
Pin Function (MA-314 board IC161) ............................. 5-4
6.
ERROR CODE
.......................................................... 6-1
7.
ADJUSTMENTS
7-1.
Mechanical Adjustments ............................................... 7-1
7-2.
Electrical Adjustments ................................................... 7-1
2-1.
Pre-Adjustment Preparations ........................................ 7-1
2-1-1. Instruments to be Used ............................................ 7-1
2-1-2. Connection ............................................................... 7-1
2-1-3. Set-up of Adjustment ............................................... 7-1
2-1-4. Alignment Tape ......................................................... 7-1
2-1-5. Specified I/O Level and Impedance ......................... 7-2
2-1-6. Adjusting Sequence ................................................. 7-2
2-2.
Power Supply Adjustment ............................................. 7-2
2-2-1. Power Supply Check ................................................ 7-2
2-3.
Servo System Adjustment ............................................. 7-3
2-3-1. Switching Position Adjustment ................................. 7-3
2-4.
Video System Adjustment ............................................. 7-3
2-4-1. Playback Y signal Level Check ................................ 7-3
2-4-2. Recording Chroma Level Check .............................. 7-4
2-4-3. Sync. AGC Check ..................................................... 7-4
2-4-4. X’tal Oscillation Frequency Check ........................... 7-4
2-5.
Audio System Adjustment ............................................. 7-5
2-5-1. Normal Audio System Adjustment ........................... 7-5
1.
ACE Head Adjustment ............................................. 7-5
2.
E-E Output Level Check ........................................... 7-5
3.
Recording Bias Adjustment ..................................... 7-5
4.
Overall Level Characteristic and Distortion
Factor Check ............................................................ 7-5
5.
Overall S/N Check .................................................... 7-5
2-6.
Parts Arrangement Diagram for Adjustments ............... 7-6
8.
REPAIR PARTS LIST
8-1.
Exploded Views ............................................................. 8-1
8-1-1. Front Panel and Cabinet Assemblies ....................... 8-1
8-1-2. Chassis Assembly .................................................... 8-3
8-1-3. Mechanism Chassis Assembly (1) ........................... 8-4
8-1-4. Mechanism Chassis Assembly (2) ........................... 8-5
8-1-5. Mechanism Chassis Assembly (3) ........................... 8-6
8-2.
Electrical Parts List ....................................................... 8-7
TABLE OF CONTENTS
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Содержание SLV-E130AE1
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