Read Sony ICF-CD843L Service Manual online
2
ICF-CD843L
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
other than those specified herein may result in hazardous radiation
exposure.
SAFETY-RELATED COMPONENT 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 WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
3
2.
GENERAL
...................................................................
4
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
5
3-2.
Rear Cabinet Assy ...........................................................
6
3-3.
CD Lid .............................................................................
6
3-4.
Upper Cabinet Assy .........................................................
7
3-5.
MAIN Board ....................................................................
7
3-6.
CD Block .........................................................................
8
3-7.
Optical Pick-up (KSS-213R) ...........................................
8
4.
ELECTRICAL ADJUSTMENTS
Tuner Section ...................................................................
9
CD Section ...................................................................... 11
5.
DIAGRAMS
5-1.
Block Diagram – CD Section – ...................................... 12
5-2.
Block Diagram – TUNER Section – .............................. 13
5-3.
Block Diagram – MAIN Section – ................................. 14
5-4.
Printed Wiring Board – CD Board – .............................. 16
5-5.
Schematic Diagram – CD Board – ................................. 17
5-6.
Printed Wiring Board – MAIN Board – ......................... 18
5-7.
Printed Wiring Boards – POWER Section – .................. 19
5-8.
Schematic Diagram – MAIN section (1/2) – .................. 20
5-9.
Schematic Diagram – MAIN section (2/2) – .................. 21
5-10. Printed Wiring Boards – PANEL Section – .................... 22
5-11. Schematic Diagram – PANEL Section – ........................ 23
5-11. Schematic Diagram – PANEL Section – ........................ 23
6.
EXPLODED VIEWS
6-1.
Cabinet Section ................................................................ 27
6-2.
Upper Cabinet Section ..................................................... 28
6-3.
Front Cabinet Section ...................................................... 29
6-4.
Rear Cabinet Section ....................................................... 30
6-5.
Optical Pick-up Section (KSM-213RDP) ....................... 31
7.
ELECTRICAL PARTS LIST
................................ 32
About CD-Rs/CD-RWs
This unit is compatible with CD-Rs/CD-RWs but
playback capability 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 capability may vary depending on the
quality of the disc, the recording device and
application software.
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