Table of Contents
Advertisement
Available languages
Available languages
QQ
3 7 63 1515 0
Section
SERVICE NOTE ...................................................................... 4
1.
Procedimientos iniciales ............................................... 1-1
Operaciones básicas ..................................................... 1-6
Operaciones adicionales ............................................... 1-10
Edición ........................................................................... 1-14
Información complementaria ......................................... 1-14
Índice de componentes y controles .............................. 1-14
2.
2-1.
Upper Case Removal .................................................... 2-1
2-2.
Rear Panel Removal ..................................................... 2-1
2-3.
PSM17-501 Board Removal ......................................... 2-1
2-4.
Front Panel Section Removal ........................................ 2-1
2-5.
Mechanism Deck Removal ............................................ 2-2
2-6.
MA-377 Board Removal ................................................ 2-2
2-7.
Internal Views ................................................................ 2-3
2-8.
Circuit Boards Location ................................................. 2-4
3.
3-1.
Overall Block Diagram ................................................... 3-1
3-2.
Video Block Diagram ..................................................... 3-3
3-3.
Servo/System Control Block Diagram .......................... 3-5
TE
3-4.
Audio Block Diagram ..................................................... 3-7
L 13942296513
3-5.
Tuner Block Diagram ..................................................... 3-9
3-6.
Mode Control Block Diagram ........................................ 3-11
3-7.
Power Block Diagram .................................................... 3-13
4.
PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
4-1.
Frame Schematic Diagram ............................................ 4-3
4-2.
Printed Wiring Boards and Schematic Diagrams ......... 4-5
MA-377 Printed Wiring Board ....................................... 4-5
MA-377 (Video, Audio) Schematic Diagram ................. 4-9
MA-377 (System Control) Schematic Diagram ............ 4-13
MA-377 (Servo Control) Schematic Diagram ............... 4-15
MA-377 (Hi-Fi Audio) Schematic Diagram .................... 4-17
MA-377 (Tuner) Schematic Diagram ............................ 4-19
MA-377 (I/O) Schematic Diagram ................................. 4-21
MA-377 (Mode Control) Schematic Diagram ................ 4-23
Schematic Diagrams ..................................................... 4-25
Schematic Diagrams ..................................................... 4-27
PSM17-501 Printed Wiring Board ................................. 4-29
PSM17-501 Schematic Diagram ................................... 4-31
5.
5-1.
System Control-Video Block Interface
(MA-377 BOARD IC101) ............................................... 5-1
5-2.
System Control-Servo Peripheral Circuit Interface
www
(MA-377 BOARD IC101) ............................................... 5-1
5-3.
System Control-Mechanism Block Interface
(MA-377 BOARD IC101) ............................................... 5-2
.
http://www.xiaoyu163.com
TABLE OF CONTENTS
Title
x
u163
2 9
8
Page
Section
5-4.
System Control-Audio Block Interface
(MA-377 BOARD IC101) ............................................... 5-3
5-5.
Servo/System Control,
OSD Microprocessor Pin Function
(MA-377 BOARD IC101) ............................................... 5-4
6.
7.
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 Tapes ....................................................... 7-1
Input/Output terminal ............................................... 7-1
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 ............................................. 7-2
2-3-1. RF Switching Position Adjustment ........................... 7-2
2-4.
Audio System Adjustments ........................................... 7-3
2-4-1. Hi-Fi Audio System Adjustment ............................... 7-3
1.
AF Switching Position Adjustment ........................... 7-3
2.
Frequency Response Check .................................... 7-3
3.
3
6 7
1 3
1 5
Distortion Factor Check ........................................... 7-4
4.
Overall S/N Check .................................................... 7-4
2-4-2. Normal Audio System Adjustment ........................... 7-4
1.
ACE Head Adjustment ............................................. 7-4
2.
E-E Output Level Check ........................................... 7-4
3.
Frequency Response Check .................................... 7-4
4.
Factor Check ............................................................ 7-5
5.
Overall S/N Check .................................................... 7-5
2-5.
Tuner System Adjustment ............................................. 7-5
2-5-1. Separation Adjustment ............................................. 7-5
2-6.
Parts Arrangement Diagram for Adjustments ............... 7-6
8.
8-1.
Exploded Views ............................................................. 8-1
8-1-1. Front Panel and Cabinet Assemblies ....................... 8-1
8-1-2. Chassis Assembly .................................................... 8-2
8-1-3. Mechanism Chassis Assembly (1) ........................... 8-3
8-1-4. Mechanism Chassis Assembly (2) ........................... 8-4
8-1-5. Mechanism Chassis Assembly (3) ........................... 8-5
8-2.
Electrical Parts List ....................................................... 8-6
co
.
- 3 -
9 4
2 8
Title
....................................................... 6-1
0 5
8
2 9
9 4
2 8
m
9 9
Page
9 9
Hide quick links:
Advertisement
Table of Contents
