Table Of Contents; Service Note - Sony XT-100DAB Service Manual

TABLE OF CONTENTS

1. SERVICE NOTE
................................................................ 2
2. GENERAL
Connections ............................................................................. 3
3. ELECTRICAL ADJUSTMENTS ...............................
4. DIAGRAMS
4-1. Block Diagram -RF Section- ............................................. 7
4-2. Block Diagram -Audio Section- ........................................ 9
4-3. IC Pin Descriptions ........................................................... 11
4-4. Printed Wiring Board ........................................................ 21
4-5. Schematic Diagram -Main Board (1/4)- .......................... 25
4-6. Schematic Diagram -Main Board (2/4)- .......................... 27
4-7. Schematic Diagram -Main Board (3/4)- .......................... 29
4-8. Schematic Diagram -Main Board (4/4)- .......................... 31
5. EXPLODED VIEW ....................................................
6. ELECTRICAL PARTS LIST ....................................

SERVICE NOTE

The XT-100DAB cannot be operated alone.
When performing voltage check and electrical adjustments, the set
should be connected to a master unit such as CDX-C90R or XES-
Z50 as shown below.
SONY BUS
CONTROL OUT
5
XT-100DAB
B +
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
37
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
38
- 2 -
SECTION 1
regulated
BUS CONTROL
DC power
IN
supply (14.4V)
master unit
BATT, ACC