Read Sony ICF-CD873L Service Manual online
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TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
3
2.
GENERAL
...................................................................
4
3.
DISASSEMBLY
.........................................................
5
4.
POWER CORD SETTING
...................................
7
5.
ELECTRICAL ADJUSTMENTS
Tuner Section ..................................................................
8
CD Section ......................................................................
9
Main Clock Section ......................................................... 11
6.
DIAGRAMS
6-1. Block Diagram – CD Section – ..................................... 13
6-2. Block Diagram – TUNER Section – ............................. 15
6-3. Block Diagram – MAIN Section – ................................ 17
6-4. Printed Wiring Boards – MAIN Section – .................... 22
6-5. Schematic Diagram – MAIN Section – ......................... 25
6-6. Schematic Diagram – POWER SUPPLY Section – ...... 30
6-7. Printed Wiring Boards
6-2. Block Diagram – TUNER Section – ............................. 15
6-3. Block Diagram – MAIN Section – ................................ 17
6-4. Printed Wiring Boards – MAIN Section – .................... 22
6-5. Schematic Diagram – MAIN Section – ......................... 25
6-6. Schematic Diagram – POWER SUPPLY Section – ...... 30
6-7. Printed Wiring Boards
– POWER SUPPLY Section – ...................................... 33
6-8. IC Pin Function Description ........................................... 39
7.
EXPLODED VIEWS
................................................ 41
8.
ELECTRICAL PARTS LIST
............................... 45
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 PUB-
LISHED BY SONY.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
other than those specified herein may result in hazardous ra-
diation exposure.
This appliance is classified as a CLASS 1 LASER product.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
exceeding the limit for Class 1.
The following caution label is located inside the unit.
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