Section
SERVICE NOTE ...................................................................... 5
1.
Getting Started .............................................................. 1-1
Basic Operations ........................................................... 1-4
Additional Operations .................................................... 1-8
Editing ............................................................................ 1-9
Additional Information ................................................... 1-10
2.
2-1.
2-2.
2-3.
2-4.
2-5.
2-6.
2-7.
2-8.
Internal Views ................................................................ 2-3
2-9.
3.
BLOCK DIAGRAMS
3-1.
Overall Block Diagram .................................................. 3-1
3-2.
Servo/System Control Block Diagram .......................... 3-3
3-3.
Video Block Diagram ..................................................... 3-5
3-4.
Audio Block Diagram ..................................................... 3-9
3-5.
Tuner Block Diagram ..................................................... 3-11
3-6.
Mode Control Block Diagram ........................................ 3-13
3-7.
Power Block Diagram .................................................... 3-15
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-323 Printed Wiring Board ....................................... 4-5
MA-323 (Head Amp) Schematic Diagram .................... 4-7
MA-323 (Video, Audio) Schematic Diagram ................. 4-11
MA-323 (System Control) Schematic Diagram ............ 4-15
MA-323 (Servo Control) Schematic Diagram ............... 4-18
MA-323 (Hi-Fi Audio) Schematic Diagram .................... 4-21
MA-323 (IO) Schematic Diagram .................................. 4-23
MA-323 (Tuner) Schematic Diagram ............................ 4-25
MA-323 (Mode Control) Schematic Diagram ............... 4-27
MA-323 (FL Driver) Schematic Diagram ....................... 4-29
MA-323 (Power Supply) Schematic Diagram ............... 4-31
SE-73 Printed Wiring Board and
Schematic Diagram ....................................................... 4-33
DS-80, NK-11 Printed wiring Board and
Schematic Diagram ....................................................... 4-36
DM-76, MF-312, RJ-80
Printed Wiring Board and Schematic Diagram ............. 4-39
HS-921SF/921SF1 Schematic Diagram ....................... 4-43
HS-921SF/921SF1, SR-708/718
Printed Wiring Board ..................................................... 4-45
SR-708/718 Schematic Diagram .................................. 4-47
5.
INTERFACE, IC PIN FUNCTION DESCRIPTION
5-1.
System Control-Video Block Interface
(MA-323 board IC161) .................................................. 5-1
5-2.
System Control-Servo Peripheral Circuit Interface
TABLE OF CONTENTS
Title
Page
Section
(MA-323 board IC161) .................................................. 5-1
5-3.
System Control-Mechanism Interface
(MA-323 board IC161) .................................................. 5-2
5-4.
System Control-Audio Block Interface
(MA-323 board IC161) .................................................. 5-3
5-5.
Servo/System/Tuner/Timer Control Microprocessor
Pin Function (MA-323 board IC161) ............................. 5-4
5-6.
NICAM Processor Pin Function (NK-11 board IC1) ..... 5-5
6.
7.
7-1.
7-2.
2-1.
2-1-2. Connection ............................................................... 7-1
2-2.
2-3.
2-4.
1.
2.
3.
4.
1.
2.
3.
4.
Factor Check ............................................................ 7-5
5.
Overall S/N Check .................................................... 7-5
2-5.
8.
8-1.
Exploded Views ............................................................. 8-1
(ED1/ED2/EZ1) ........................................................ 8-1
8-2.
- 4 -
Title
.......................................................... 6-1
Page