Sony ICFC-290 Service manual

ICF-C290/C290L
SERVICE MANUAL
Ver 1.1 1998. 10 With SUPPLEMENT 1 (9-925-745-81)
Photo: ICF-C290
SPECIFICATIONS
AEP Model
ICF-C290/C290L
UK Model
Austr alian Model
ICF-C290
MICROFILM
ICF-C290
FM/AM CLOCK RADIO
ICF-C290L
FM/LW CLOCK RADIO
2

SERVICING NOTES

HOW TO CHANGED THE CERAMIC FILTERS
This model is used two ceramic filters of CF2 and CF3. You must used same type of color marked ceramic filters in order to meet same specifications. Therefore, the ceramic filter must changed two pieces together since it's supply two pieces in one package as a spare parts.
Mark Center frequency
CF
mark
red 10.70 MHz
blue 10.67 MHz
orange 10.73 MHz
CF3
black 10.64 MHz
white 10.76 MHz
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.
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.
– 2 –
SECTION 1

GENERAL

This section is extracted from instruction manual.
– 3 –
SECTION 2
t

SETTING

SETTING THE POWER CORD
Set the power cord as illustrated below, then install the lower cabinet.
lower cabine
KNOB SETTING
5
MAIN board
7
claws
A
power cord
3
Turn shaft of CV1 to the arrow A direction fully.
4
B
Turn RV1 to the arrow B direction fully.
6
claw
– 4 –
2
Turn the knob (VOL) to the arrow B direction fully.
1
Turn the knob (tuning) to the arrow A direction fully.
Loading...
+ 9 hidden pages