Table Of Contents - Sony ICF-CD823L Service Manual
Fm/mw/lw cd clock radio
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Also See for ICF-CD823L:
- Operating instructions (2 pages) ,
- Service manual (30 pages) ,
- Operating instructions (3 pages)
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TABLE OF CONTENTS
········································································ 4
2-1. CABINET, LOWER ······················································ 5
2-2. MAIN BOARD ····························································· 6
2-3. PANEL (FRONT) SUB ASSY ······································ 6
2-4. OPTICAL PICK-UP BOLCK (KSM-213CDM) ·········· 7
2-5. TRANSFORMER BOARD ··········································· 7
3. TEST MODE ·······························································
4. ELECTRICAL ADJUSTMENTS ························
5-1. BLOCK DIAGRAM ··················································· 11
5-2. CIRCUIT BOARDS LOCATION ······························· 13
5-3. SCHEMATIC DIAGRAM
- MAIN SECTION (1/2) - ·········································· 14
5-4. SCHEMATIC DIAGRAM
- MAIN SECTION (2/2) - ·········································· 17
5-5. PRINTED WIRING BOARD
- MAIN SECTION - ·················································· 20
5-6. PRINTED WIRING BOARD
- PANEL SECTION - ················································· 23
5-7. IC PIN FUNCTION DESCRIPTION ························· 25
5-8. IC BLOCK DIAGRAMS ············································ 26
6-1. LOWER CABINET SECTION ··································· 29
6-2. UPPER CABINET SECTION ···································· 30
(KSM-213CDM) ························································· 31
7. ELECTRICAL PARTS LIST ·································
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.
8
10
32
Note 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.
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