Sony ICF-M1W Service Manual

SERVICE MANUAL
Frequency range
Scan step
Antennas
Speaker
Output
Power output
Power requirements
Battery life
Dimensions
Weight
Supplied accessories
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MICROFILM
SPECIFICATIONS
FM: 87.5-108 MHz
AM: 531- 1,602 kHz
FM: 0.05* MHz
AM: 9 KHz
* The frequency display is raised or lowered by
steps of 0.1 MHz. (Example: Frequency
88.05 MHz is displayed as '88.0 MHz''.)
FM: Earphone cord antenna
AM: Built-in ferrite bar antenna
3.6 cm (17/6 inches) dia.
Earphone jack
80 mW (at 10% harmonic distortion)
3 V DC, two RO3 (size AAA) batteries
Using Sony batteries UM-4 (NU)
Approx. 11 hours
Using speaker
FM .
Approx. 57.8 x 96.0 x 17.2 mm (w/h/d)
(23g x 37% x 1/4 inches)
incl. projecting parts and controls
Approx. 82 g (2.90 02)
incl. batteries
Sony batteries UM-4 (NU) (2)
Dynamic earphone {open-air type, 1)
Ear adaptor (1)
Soft case (1)
Cad "AEP Model
Pal
FEATURES
* An FM/AM 2-band pocketable radio with quartz-controlled PLL
(Phase Locked Loop) synthesizer system.
¢Up to 14 stations (7 for each band) can be memorized for
button-touch tuning (memory preset tuning).
e The tuned frequency is digitally displayed to make searching of
the desired station easier.
* Power saving features — power goes off automatically in about
90 minutes.
Specifications
Features
TABLE OF CONTENTS
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Radio-Operation: ony aug aca ew A a ES a aes 2
Memory Preset Tuning................., 3
SECTION 1 DISASSEMBLY ............. 4
SECTION 2 ELECTRICAL ADJUSTMENTS... 5
SECTION 3 DIAGRAMS 8
3-1. Mounting Diagram 8
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3-2. Schematic Diagram .............., l
SECTION 4 EXPLODED VIEW AND
PARTS LIST .............. 14
SECTION 5 ELECTRICAL PARTS LIST.... 15
FM/AM 2 BAND
PLL SYNTHESIZED RECEIVER
SONY.
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