Table Of Contents; Servicing Notes - Sony ICF-CD820 Service Manual

TABLE OF CONTENTS

1. SERVICING NOTES
2. GENERAL
................................................................. 4
3. DISASSEMBLY
......................................................... 6
4. ELECTRICAL ADJUSTMENTS
Tuner Section .................................................................. 9
CD Section ...................................................................... 11
5. DIAGRAMS
5-1. Printed Wiring Boards .................................................... 15
5-2. Schematic Diagram ......................................................... 19
5-3. IC Pin Function Description ........................................... 29
6. EXPLODED VIEWS
7. ELECTRICAL PARTS LIST
............................................... 2
................................................ 31
............................... 34

SERVICING NOTES

MODEL IDENTIFICATION
S
US, Canadian models: AC: 120 V
Other models: AC: 220 - 230 V
• HOW TO CHANGED THE CERAMIC FILTERS
This model is used two ceramic filters of CF2, CF3.
You must use same type of color marked ceramic filters in order
to meet same specifications.
Therefore, the ceramic filter must change two pieces together since
it's supply two pieces in one package as a spare parts.
mark
mark
CF2
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.
ATTENTION AU COMPOSANT AYANT RAPPORT
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE !
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
- 2 -
SECTION 1
ICF-CD820/CD820L
® MODEL NO.
MADE IN MALAYSIA
60 Hz 15 W
50 Hz 15 W
mark
frequency
CF3
red 10.70 MHz
blue 10.67 MHz
orange 10.73 MHz
black 10.64 MHz
white 10.76 MHz
À LA SÉCURITÉ!
center