Technics SE-CH610 - Service Manual

ORDER NO. AD9412357C3
Service
Manual
Amplifier
SB-CH610 SB-CH610
SL-CH610 ST-CH610
Remote Control
Transmitter
SE-CH610
RS-CH510
Because of unique interconnecting cables, when a component
requires service, send or bring in the entire system.
Specifications
Power output
DIN 1 kHz, THD 1%, both channel driven
2x 50 W (6Q)
Total harmonic distortion
Rated power at 1 kHz 1% (622)
Half power at 1 kHz 0.09% (62)
Load impedance 6Q
S/N (rated power) 84 dB
Frequency response 40 Hz — 30 kHz
System Tuner/sound processor
SC-CH610
ST-CH610
Compact disc changer Amplifier Cassette deck
Amplifier
SE-CH610
Colour
(K) : Black
Areas
Suffix for Area Colour
Model No.
Asia, Latin America,
Middie East and Africa
System: SC-CH610
m@ General
Power consumption 166 W
Power supply
110/127/220/230 — 240 V, AC 50/60 Hz
Dimensions (W x H x D) 270 X118.5x329.5 mm
Weight 4.4 kg
Notes:
Specifications are subject to change without notice.
Weight and dimensions are approximate.
Total harmonic distortion is measured by the digital
spectrum analyzer.
/\WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public. t does not
contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt tos ervice or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
‘Technics
© 1995 Matsushita Electric Industra | Co., Ltd.
All rights reserved. Unauthorized ;opying
and distribution is a violation of law

Technics SE-CH610 Specifications

General

Brand	Technics
Model	SE-CH610
Category	Amplifier
Language	English

Summary

Specifications

Before Repair

Protection Circuitry

Explains the protection circuit's function and reset procedure.

Accessories

Stacking the Components

Connections

System Connections

Details how to connect the system components using flat cables.

FM Indoor Antenna Connection

Guides installation of the FM indoor antenna for optimal reception.

AM (MW;LW) Loop Antenna Connection

Details connecting the AM/LW loop antenna for best reception.

Speaker and AC Power Connections

Provides instructions for connecting speaker cables and the AC power cord.

Optional Antenna Connections

Covers optional outdoor antenna connections and using antenna plugs.

External Unit Connection

Location of Controls

Operation Check and Main Component Replacement Procedures

Checking Procedure for each P.C.B.

Outlines steps for checking the operation of major printed circuit boards.

Main Component Replacement Procedures

Details procedures for replacing key components like ICs, transistors, and fan motors.

Power Source ON;OFF of This Unit

Operation Check

Describes how to perform an operation check after power is supplied.

Schematic Diagram

Operation Circuit

Details the schematic for the operation circuit.

Headphones Jack Circuit

Details the schematic for the headphones jack circuit.

Mic Jack Circuit

Details the schematic for the microphone jack circuit.

Main Circuit

Details the schematic for the main circuit.

Power Transformer Circuit

Details the schematic for the power transformer circuit.

Voltage Selector Circuit

Details the schematic for the voltage selector circuit.

AC Input Terminal Circuit

Details the schematic for the AC input terminal circuit.

Printed Circuit Board Diagram

Operation P.C.B.

Illustrates the component layout for the Operation P.C.B.

Headphones Jack P.C.B.

Illustrates the component layout for the Headphones Jack P.C.B.

Mic Jack P.C.B.

Illustrates the component layout for the Mic Jack P.C.B.

Main P.C.B.

Illustrates the component layout for the Main P.C.B.

AC Input Terminal P.C.B.

Illustrates the component layout for the AC Input Terminal P.C.B.

Power Transformer P.C.B.

Illustrates the component layout for the Power Transformer P.C.B.

Voltage Selector P.C.B.

Illustrates the component layout for the Voltage Selector P.C.B.

Wiring Connection Diagram

Function of IC Terminals

Block Diagram

Replacement Parts List

Cabinet Parts List

Accessories

Lists various accessories included with the unit.

Packing Materials

Details the packing materials used for shipping the unit.

Cabinet Parts Location

Packaging