— 2 —
SECTION 1
GENERAL
TABLE OF CONTENTS
1. GENERAL
...................................................................
2
2. TEST MODE
................................................................
3
3. ELECTRICAL ADJUSTMENT
..................................... 4
4. DIAGRAMS
4-1.
Waveforms .......................................................................... 7
4-2.
IC Block Diagrams ............................................................. 8
4-3.
Schematic Diagram — Main Section — ............................ 9
4-4.
Printed Wiring Board — Main Section — ....................... 13
4-5.
Printed Wiring Board — Power Board Section — ........... 15
4-6.
Schematic Diagram — Power Board Section — ............. 16
4-7.
Printed Wiring Board — Display Section — ................... 17
4-8.
Schematic Diagram — Display Section — ...................... 19
4-9.
IC Pin Function
• IC701 System Control (µPD780205GF) ....................... 21
5. EXPLODED VIEW
....................................................
23
6. ELECTRICAL PARTS LIST
....................................
24
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE
WITH MARK
!
ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
Location of Parts and Controls
4
5
6
7
8
10
9
11
12
13
1
3
2
1 POWER button
2 TUNING/SELECT– button
3 TUNING/ button
4 DISPLAY button
5 CHARACTER button
6 ANTENNA button
7 BAND button
8 MEMORY button
9 MENU ENTRY MENU button
10 MENU ENTRY RETURN button
11 MENU ENTRY ENTER button
12 TUNE MODE button
13 SHIFT button