Read Sony ICF-CD73W Service Manual online
ICF-CD73W
2
1.
SERVICING NOTES
............................................. 3
2. GENERAL
.................................................................. 6
3. DISASSEMBLY
3-1. Disassembly
Flow
........................................................... 7
3-2. Cabinet (Front) Block ..................................................... 7
3-3. Cabinet (Upper) Block .................................................... 8
3-4. Chassis
3-3. Cabinet (Upper) Block .................................................... 8
3-4. Chassis
(Main)
Block
...................................................... 8
3-5. LCD
Board
...................................................................... 9
3-6. Optical Pick-up Block (KSM-900AAA) ........................ 9
3-7. Speaker (5 cm) (SP101)/(SP201) .................................... 10
3-7. Speaker (5 cm) (SP101)/(SP201) .................................... 10
4.
TEST MODE
............................................................ 11
5. ELECTRICAL
ADJUSTMENTS
........................ 14
6. DIAGRAMS
6-1. Block Diagram - CD Section - ........................................ 16
6-2. Block Diagram - TUNER Section - ................................ 17
6-3. Block Diagram - MAIN Section - ................................... 18
6-4. Printed Wiring Boards - CD Board - .............................. 20
6-5. Schematic Diagram - CD Section - ................................. 21
6-6. Printed Wiring Boards - TUNER Board - ....................... 22
6-7. Schematic Diagram - TUNER Board - ........................... 23
6-8. Printed Wiring Boards - MAIN Section - ....................... 24
6-9. Schematic Diagram - MAIN Section - ........................... 25
6-10. Printed Wiring Boards - POWER Section - .................... 26
6-11. Schematic Diagram - POWER Section - ........................ 27
6-2. Block Diagram - TUNER Section - ................................ 17
6-3. Block Diagram - MAIN Section - ................................... 18
6-4. Printed Wiring Boards - CD Board - .............................. 20
6-5. Schematic Diagram - CD Section - ................................. 21
6-6. Printed Wiring Boards - TUNER Board - ....................... 22
6-7. Schematic Diagram - TUNER Board - ........................... 23
6-8. Printed Wiring Boards - MAIN Section - ....................... 24
6-9. Schematic Diagram - MAIN Section - ........................... 25
6-10. Printed Wiring Boards - POWER Section - .................... 26
6-11. Schematic Diagram - POWER Section - ........................ 27
7.
EXPLODED VIEWS
7-1. Overall
Section
............................................................... 32
7-2. Cabinet (Front) Section ................................................... 33
7-3. Chassis
7-3. Chassis
(Main)
Section
................................................... 34
7-4. Cabinet (Upper) Section ................................................. 35
7-5. CD
7-5. CD
Lid
Section
............................................................... 36
7-6. Optical Pick-up Block Section (KSM-900AAA) ........... 37
7-7. Cabinet (Rear) Section .................................................... 38
7-7. Cabinet (Rear) Section .................................................... 38
8.
ELECTRICAL PARTS LIST
.............................. 39
TABLE OF CONTENTS
SAFETY-RELATED COMPONET WARNING!
COMPONENTS IDENTIFIED BY MARK
0 OR DOTTED LINE
WITH MARK
0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
Notes on chip component replacement
•
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
aged by heat.
Flexible Circuit Board Repairing
•
•
Keep the temperature of soldering iron around 270 °C during
repairing.
repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering
or unsoldering.
or unsoldering.
CAUTION
Use of controls or adjustments or performance of procedures other than
those specifi ed herein may result in hazardous radiation exposure.
Use of controls or adjustments or performance of procedures other than
those specifi ed herein may result in hazardous radiation exposure.
About CD-Rs/CD-RWs
This unit is compatible with CD-Rs/CD-RWs but playback capa-
bility may vary depending on the quality of the disc,the recording
device and application software
This unit is compatible with CD-Rs/CD-RWs but playback capa-
bility may vary depending on the quality of the disc,the recording
device and application software
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