Sony ICF-M760L Service Manual ▷ View online
MICROFILM
SERVICE MANUAL
AEP Model
UK Model
SPECIFICATIONS
ICF-M760L
FM/MW/LW PLL SYNTHESIZED RADIO
Time display:
24-hour system
Frequency range:
Band
Channel step
FM
87.5 – 108 MHz
0.05 MHz (0.1 MHz)*
MW
531 – 1,602 kHz
9 kHz
LW
153 – 279 kHz
9 kHz
* channel step when the control knob is turned to or
Speaker:
12 cm (4
3
/
4
inches) 8 ohm
Power output:
400 mW (at 10% harmonic distortion)
Output:
@ (earphone) jack (minijack)
Power requirements:
220 – 230 V AC, 50 Hz
6 V DC, four R20 (size D) batteries
6 V DC, four R20 (size D) batteries
Dimensions:
Approx. 269.8
×
153
×
69.4 mm (w/h/d)
(Approx. 10
5
/
8
×
6
1
/
8
×
2
3
/
4
inches) not incl.
projecting parts and controls
Mass:
Approx. 1420 g (31b 2 oz) incl. batteries
Supplied accessories:
AC power cord (1)
Design and specifications are subject to change
without notice.
without notice.
– 2 –
SERVICING NOTES
HOW TO CHANGED THE CERAMIC FILTERS
This model is used two ceramic filters of CF102 and CF103.
Therefore, the ceramic filter must change two pieces together since
it's supply two pieces in one package as a spare parts.
Therefore, the ceramic filter must change two pieces together since
it's supply two pieces in one package as a spare parts.
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.
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.
TABLE OF CONTENTS
1.
GENERAL
................................................................... 3
2.
DISASSEMBLY
......................................................... 5
3.
ELECTRICAL ADJUSTMENTS
......................... 7
4.
DIAGRAMS
4-1.
Printed Wiring Boards ..................................................... 9
4-2.
Schematic Diagram ......................................................... 13
4-3.
IC Pin Function Description ............................................ 18
5.
EXPLODED VIEW
................................................... 19
6. ELECTRICAL PARTS LIST
................................ 20
– 3 –
SECTION 1
GENERAL
This section is extracted from
instruction manual.
– 4 –