Sony SRF-M97 User Manual

SERVICE MANUAL
FM STEREO/AM PLL SYNTHESIZED RADIO
US Model
AEP Model
E Model
Australian Model
Chinese Model
Tourist Model
SPECIFICATIONS
SRF-M97
Ver. 1.1 2004.12
9-879-289-02
2004L05-1
© 2004.12
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
Tourist model
Band Frequency range Channel step
FM 76 - 108 MHz 0.05 MHz
AM 531 - 1 710 kHz 9 kHz
530 - 1 710 kHz 10 kHz
Sony
* The supplied battery is for trial. We recommend you to
purchase a Sony alkaline LR03 (size AAA) battery.
R03 (size AAA) battery (1) (for trial*) (Tourist model)
Time display:
North and South American 12-hour system
countries/regions
Other countries/regions 24-hour system
Frequency range:
Model for North and South America
countries/regions
Band Frequency range Channel step
FM 87.5 - 108 MHz 0.1 MHz
AM 530 - 1 710 kHz 10 kHz
531 - 1 710 kHz 9 kHz
Model for Other countries/regions
Band Frequency range Channel step
FM 87.5 - 108 MHz 0.05 MHz
AM 531 - 1 602 kHz 9 kHz
530 - 1 610 kHz 10 kHz
Output:
i (headphones) jack
(ø3.5 mm, stereo minijack)
Power output:
2 mW + 2 mW (at 10 % harmonic distortion)
Power requirements:
1.5 V DC, one R03 (size AAA) battery
Auto Power off function:
Approx. 30 minutes, 60 minutes, 90minutes, 120
minutes, and off
Dimensions:
Approx. 37.4 × 84.6 × 21.6 mm (w/h/d)
(Approx. 1
1
/
2
× 3
3
/
8
×
7
/
8
inches)
incl. projecting parts and controls
Mass:
Approx. 58.5 g (2.06 oz.)
incl. battery and the headphones
Accessories supplied
Stereo headphones (1)
Design and specifications are subject to change
without notice.
Battery Life (Approx. hours) (JEITA*)
When using FM AM
Sony alkaline LR03 40 65
(size AAA)
Sony R03 16 30
(size AAA)
* Measured by JEITA (Japan Electronics and
Information Technology Industries Association)
standards. The actual battery life may vary
depending on the circumstance of the unit.

Sony SRF-M97 Specifications

General

Battery type	AAA
Battery life (max)	40 h
Battery level indicator	Yes
Number of batteries supported	1
Display type	LCD
Snooze function	No
Apple docking compatibility	Not supported
Product color	Silver
Radio type	Personal
Tuner type	Digital
AM band range	531 - 1602 kHz
FM band range	87.5 - 108 MHz
PLL synthesizer	-
Supported radio bands	AM, FM
Preset stations quantity	20
RMS rated power	- W

Weight and Dimensions

Depth	21.6 mm
Width	37.4 mm
Height	84.6 mm
Weight	58.5 g

Summary

Product Specifications

General Operation Guide

Setting the Clock

Step-by-step instructions for setting the device's clock.

Disassembly Instructions

Side Panel and Rear Cabinet Removal

Procedure for disassembling the side panel and rear cabinet assembly.

Main Board and Front Cabinet Removal

Procedure for disassembling the main board and front cabinet assembly.

Electrical Adjustment Procedures

AM Band Voltage and Tracking

Steps for adjusting AM band voltage and tracking.

FM Band Voltage and Tracking

Steps for adjusting FM band voltage and tracking.

Diagrams

Schematic Diagram

Detailed schematic of the main and amplifier boards.

Main Board Printed Wiring

Layout of components on the main board's component and conductor sides.

AMP Board Printed Wiring

Layout of components on the amplifier board's component and conductor sides.

IC Pin Function Descriptions

Detailed description of each pin's function for specific ICs.

IC Block Diagrams

Internal functional block diagrams for integrated circuits.

Exploded Views

Front Cabinet Components

Exploded view showing parts of the front cabinet assembly.

Rear Cabinet Components

Electrical Parts List

Capacitors

Resistors (Continued)

Capacitors and Filters

Transistors and Resistors

Resistors