Technics SE-CH530 Service Manual

Amplifier
SB-CH530A SB-CH530A
SL-CH530 ST-CH530
Remote Control RS-CH730 SE-CH530
Transmitter
Because of unique interconnecting cables, when a component
requires service, send or bring in the entire system.
Specifications
Power output
[For (E), (EG) and (EP) areas]
DIN 1 kHz, THD 1%, both channel driven
2x35 W (6 Q)
[For (EB) area]
RMS 1 kHz, THD 10%, both channel driven
2x 48 W (6 Q)
Total harmonic distortion
Rated power at 1 kHz 1% (6 Q)
Half power at 1 kHz 0.09% (6 Q)
Load impedance 6Q-—-82
S/N
(rated
power)
90
dB
Frequency
response
40
Hz
—
30
kHz
Tuner/sound processor
Compact
disc
player
Amplifier
Cassette
deck
ORDER NO. AD9505126C2
Service Manual
Amplifier
SE-CH530
Colour
(K) : Black
Areas
Suffix for Area Colour
Modei No.
(K)
(EG) Germany and italy
Eastern Europe and
System: SC-CH530
@ General
Power consumption
Power supply
[For (E), (EG) and (EP) areas] 230 V, AC 50/60 Hz
[For (EB) area] 230 — 240 V, AC 50/60 Hz
Dimensions (W x H x D) 270X 118.5 x 341.5 mm
Weight 4.2kg
114 W
Notes:
Specifications are subject to change without notice.
Weight and dimensions are approximate.
Total harmonic distortion is measured by the digital
spectrum analyzer.
*
SB-CH530A
= Made in PAES
RS-CH730
/A\WARNING |
This
service
information
is
designed
for
experienced
repair
technicians
only
and
is
not
designed
for
use
by
the
general
public.
It
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
to
service
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 Industrial Co., Ltd.
All rights reserved. Unauthorized copying
and distribution is a violation of law.
a Se al i ee fe SO, Le en i ae ne es

Technics SE-CH530 Specifications

General

Type	Stereo amplifier
Power Output	40 watts per channel into 6Ω (stereo)
Frequency Response	20Hz to 20kHz
Total harmonic distortion	0.8%
Input Sensitivity	3mV (MM), 200mV (line)
Dimensions	270 x 118.5 x 336mm
Weight	5.5kg
Speaker load impedance	16 ohms

Summary

Specifications Overview

Power Output Specifications

Specifies power output in Watts (RMS/DIN) for different regions and load impedances.

Total Harmonic Distortion Ratings

Details total harmonic distortion ratings at rated and half power.

General System Information

Power Consumption and Supply Details

Pre-Repair Procedures

Safety Precautions Before Repair

Instructions for safely discharging capacitors and checking voltage before initial power-up.

Protection Circuit Operation

Circuit Triggers and Reset Method

Explains protection circuit triggers (no sound, stops) and the reset procedure.

AC Mains Lead Safety Precautions

EB Area Model Specific Warnings

Specific safety warnings for the AC mains lead in the EB area.

Fuse Replacement Procedure

Step-by-step instructions for safely replacing the fuse in the plug.

System Connectivity Guide

Flat Cable Connection Instructions

Cable Connection Safety Warning

Warnings against connecting/disconnecting cables while the unit is powered on.

Speaker Cable Installation

Connection Procedure and Notes

Speaker Compatibility Warning

Warning to use only recommended speakers to prevent unit damage.

AC Power Connection Guide

Power Cord and Adapter Usage

External Device Connectivity

External Device Connection Types

Operation Checks and Component Replacement

Printed Circuit Board Operation Checks

Steps for checking the operational status of printed circuit boards.

Main Component Replacement Procedures

Overview of procedures for replacing major internal components.

Power Source ON/OFF Functionality

Power ON/OFF Operation Verification

Circuit Schematic Diagrams

Schematic Diagram Index

Printed Circuit Board Diagrams

Main PCB Layout

Wiring Connection Diagrams

Printed Circuit Board Wiring

System Block Diagrams

Block Diagrams of Key Sections

Service Parts List

Electronic Component Parts