Sony ST-SB920 - SECTION 1 GENERAL

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1. GENERAL ······································································ 2
2. TEST MODE ·································································· 3
3. ELECTRICAL ADJUSTMENT································· 5
4. DIAGRAMS
4-1. Circuit Board Location ······················································· 8
4-2. Schematic Diagram – DISPLAY SECTION – ·················· 9
4-3. Printed Wiring Board – DISPLAY SECTION – ············· 11
4-4. Printed Wirng Board – TUNER SECTION – ················· 13
4-5. Schematic Diagram – TUNER SECTION (1/2) – ·········· 15
4-6. Schematic Diagram – TUNER SECTION (2/2) – ·········· 17
4-7. IC Pin Function ································································19
4-8. IC Block Diagram ····························································20
6. EXPLODED VIEWS
6-1. Front Panel and Case Section ··········································· 21
6-2. Panel and Display Section ················································22
7. ELECTRICAL PARTS LIST ··································· 23
TABLE OF CONTENTS
SECTION 1
GENERAL
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.
PARTS No. MODEL
MODEL IDENTIFICATION
— BACK PANEL —
4-998-494-0π
4-998-494-1π
AEP model
UK model
,,,,,,,,yyyyyyyy
PART NO.
1 POWER swtich (U)
2 SHIFT button
3 Numeric button
4 Display window
5 DIRECT button
6 TUNING/SELECT knob
7 DISPLAY button
8 PTY button
9 TA button
0 NEWS/INFO button
!¡ AUTO-BETICAL SELECT button
1 2 3 54 6
7890!¡ !™!£!¢!∞!§ !¶!•!ª@º @¡
Location of Controls
!™ MEMORY button
!£ BAND button
!¢ ON/OFF button
!∞ ANTENNA button
!§ FM MODE button
!¶ CHARACTER button
!• MENU button
!ª RETURN button
@º ENTER button
@¡ TUNING MODE button