Read Sony ICF-C795RC Service Manual online
MICROFILM
SERVICE MANUAL
FM/AM RADIO CONTROLLED CLOCK RADIO
AEP Model
SPECIFICATIONS
ICF-C795RC
Ver 1.0 1999. 08
– 2 –
TABLE OF CONTENTS
1.
GENERAL
...................................................................
3
2.
DISASSEMBLY
.........................................................
5
3.
ELECTRICAL ADJUSTMENTS
.........................
7
4.
DIAGRAMS
4-1. Block Diagram ................................................................
9
4-2. Schematic Diagram ......................................................... 13
4-3. Printed Wiring Boards .................................................... 15
4-4. IC Pin Function Description ........................................... 18
4-3. Printed Wiring Boards .................................................... 15
4-4. IC Pin Function Description ........................................... 18
5.
EXPLODED VIEWS
................................................ 19
6.
ELECTRICAL PARTS LIST
............................... 21
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
• Notice that the minus side of a tantalum capacitor may be dam-
aged 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 PUB-
LISHED BY SONY.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
CF2
CF3
mark
Mark
Center frequency
red
10.70 MHz
blue
10.67 MHz
orange
10.73 MHz
black
10.64 MHz
white
10.76 MHz
HOW TO CHANGED THE CERAMIC FILTERS
This model is used two ceramic filters of CF2 and CF3.
You must use same type of color marked ceramic filters in order
to meet same specifications.
Therefore, the ceramic filter must be changed two pieces together
since it’s supply two pieces in one package as a spare parts.
You must use same type of color marked ceramic filters in order
to meet same specifications.
Therefore, the ceramic filter must be changed two pieces together
since it’s supply two pieces in one package as a spare parts.
– 3 –
SECTION 1
GENERAL
This section is extracted from
instruction manual.
instruction manual.
– 4 –