Sony ST-SE370 - Service Manual

SERVICE MANUAL
FM STEREO FM-AM TUNER
US Model
AEP Model
UK model
E Model
Australian Model
SPECIFICATIONS
ST-SE370
Ver 1.0 2001.04
9-873-833-11 Sony Corporation
2001D0500-1 Home Audio Company
C 2001.4 Shinagawa Tec Service Manual Production Group
FM tuner section
Frequency range 87.5 - 108.0 MHz
(U.S. models: 100 kHz
step, other models: 50 kHz
step)
Aerial terminals 75 Ω, unbalanced
U.S. models: F-TYPE
CONNECTOR,
other models: IEC-male
Intermediate frequency
10.7 MHz
Sensitivity at 26 dB quieting (mono)
10.3 dBf, 0.9 µV/75 Ω
at 46 dB quieting (stereo)
38.5 dBf, 23 µV/75 Ω
Usable sensitivity (IHF)
10.3 dBf, 0.9 µV/75Ω
S/N at 40 kHz deviation
74 dB (mono), 69 dB
(stereo)
Harmonic distortion 0.09% (mono),
0.18% (stereo)
Frequency response 30 Hz - 15 kHz
(+0.5/–1.0 dB)
Separation 45 dB at 1 kHz
Selectivity at 400 kHz
85 dB
at 300 kHz
70 dB
Output at 40 kHz deviation
600 mV
AM tuner section
Frequency range
MW:
U.S. models: 530 - 1,710 kHz
(10 kHz step*)
Singaporean and Australian models:
531 - 1,710 kHz
(9 kHz step)
Other models: 531 - 1,602 kHz
(9 kHz step)
LW: 144 - 288 kHz
(1 kHz step)
Intermediate frequency
450 kHz
Usable Sensitivity (with AM loop aerial)
MW: 200 µV/m
LW: 700 µV/m
Signal-to-noise ratio
MW: 54 dB
(50 mV/m, 999 kHz)
LW: 50 dB
(50 mV/m, 216 kHz)
Harmonic distortion 0.3% (50 mV/m,
400 Hz)
Selectivity 50 dB
General
Power requirements
U.S. models: 120 V AC, 60 Hz
Australian models: 230 V AC, 50 Hz
Other models: 230 V AC, 50/60 Hz
Power consumption 10 W
Dimensions 430 x 83 x 290 mm
(w/h/d)
Weight 2.5 kg
Supplied accessories
Audio cord (1)
AM loop antenna (1)
FM wire antenna (1)
* (U.S. models only.) You can change the AM tuning
interval to 9 kHz. After tuning in any AM station,
turn off the tuner. Hold down the numeric button 9
and press the POWER button. To reset the scale to
10 kHz, hold down the numeric button 0 and press
the POWER button to turn on the tuner. All preset
stations will be erased when you change the tuning
interval.
Design and specifications are subject to change
without notice.
Photo: Black model
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Summary

Product Specifications

FM Tuner Specifications

Details of FM tuner section including frequency range, sensitivity, and S/N.

AM Tuner Specifications

Details of AM tuner section including frequency range and selectivity.

Safety Check-out Procedures

AC Leakage Test

Procedure to test AC leakage current from exposed metal parts to ground.

Disassembly Instructions

Disassembly Flow Chart

Visual guide outlining the sequence for disassembling the unit.

Case Disassembly

Main Board Disassembly

Test Mode Operations

Display Tube and Key Check

Tests display tube and key input functionality.

Factory Preset Entry

Procedure to restore factory default settings and presets.

Circuit Check Mode

Enables diagnostics for FM, AM (MW, LW) reception modes.

Forced Reset Procedure

Electrical Adjustment Procedures

FM Signal Level Adjustment

Procedure to adjust FM signal level using RV201 for optimal reception.

Electrical Parts List

Capacitors, ICs, Transistors, Resistors

Switches and Additional Resistors

Connectors, Diodes, Transformers, Vibrators

Sony ST-SE370 Specifications

General

Brand	Sony
Model	ST-SE370
Category	Car Receiver
Language	English