Technics SU-C800UM2

Control Amplifier
System: SU-A900DM2
SU-C800UM2
SE-A900SM2
System: SU-A800DM2
SU-C800UM2
Specifications (DIN 45 500)
Total harmonic distortion 20 Hz — 20 kHz
input sensitibity/impedance
0.01 % (Vol. Max.)
PHONO 2.5 mV/47 kQ
TUNER, CD, AUX, TAPE 1, TAPE 2 200 mV/27 kQ
Phono maximum input voltage (1 kHz, RMS) 150 mV
S/N
PHONO 76 dB (77 dB, IHF '66)
TUNER, CD, AUX, TAPE 1, TAPE 2
Frequency response
PHONO RIAA standard curve +1 dB (30 Hz - 15 kHz)
TUNER, CD, AUX, TAPE 1, TAPE 2
90 dB (97 dB, IHF ’66)
3 Hz — 80 kHz (+0, — 3 dB}
+0 dB, — 0.3 dB (20 Hz — 20 kHz)
Tone controls
BASS 50 Hz, +10 dB, -10 dB
TREBLE 20 kHz, +10 dB, -10 dB
Service
Manu
Remote Control
ae Transmitter
Because of unique interconnecting cables, when a component
requires service, send or bring in the entire system.
ORDER NO, AD9707103C2
al
Amplifier
Colour
».
Remote
Control
(K)......Black
Type
Transmitter
oe: Area
(E) ........ Europe.
System: SU-A900DM2
Control amplifier SU-C800UM2
Power amplifier SE-AS00SM2
System: SU-A800DM2
Contro! amplifier . $§U-C800UM2
Power amplifier SE-A800SM2
Muting — co
Output voltage
TAPE 1, TAPE 2, REC OUT 200 mV
PRE OUT1, 2 1V
Channel balance (AUX, 250 Hz — 6.3 kHz) +1dB
Channel separation (AUX, 1 kHz) 50 dB
@ GENERAL
Dimensions (W x Hx D) 430 x 69.3 x 307 mm
Weight 2.7 kg
Notes:
1. Specifications are subject to change without notice.
Weight and dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
ZA\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
© 1997 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying
and distribution is a violation of law.

Technics SU-C800UM2 Specifications

General

Brand	Technics
Model	SU-C800UM2
Category	Amplifier
Language	English

Summary

Specifications

Front Panel Controls

Operation Check and Component Replacement Procedures

PCB Removal Procedures

Power Supply Configuration and Operation Check

Power Supply to Main Circuit

Details for supplying power to the control amplifier when used standalone.

Operation Check

Procedure to check unit operation by inputting signals and checking outputs.

IC Terminal Functions and Circuit Overview

IC Terminal Functions

Lists pin functions for IC701 (M37470M2362S) with I/O and descriptions.

Schematic Diagram Overview

References to detailed circuit schematics for various sections of the amplifier.

Main Circuit Schematic Diagram

Various Circuit Schematic Diagrams

Tone, Volume, and Balance Circuit Schematics

Detailed schematics for the Tone Switch, Volume control, and Balance VR circuits.

Power Switch and Operation Circuit Schematics

Detailed schematics for the Power Switch and Operation control circuits.

Main Circuit Schematic Diagram (Continued)

Main Circuit Schematic Diagram (Continued)

Printed Circuit Board (PCB) Layout Diagrams

Tone, Volume, Power Switch PCB Layouts

PCB layout diagrams for the Tone Switch, Volume, and Power Switch assemblies.

Balance VR and Operation PCB Layouts

PCB layout diagrams for the Balance VR and Operation assemblies.

Main PCB Layout Diagram

Component Illustrations and Wiring Diagram

Component Type Illustrations

Visual representations of common ICs, transistors, and diodes used in the unit.

Wiring Connection Diagram

Diagram showing external and internal wiring connections for the system components.

System Block Diagram

Electrical Parts List

Integrated Circuits and Transistors Parts

List of part numbers and descriptions for integrated circuits and transistors.

Diodes, Switches, and Connectors Parts

List of part numbers and descriptions for diodes, switches, and connectors.

Cabinet Parts List

Cabinet Components and Hardware

List of cabinet parts, screws, knobs, buttons, and cables for assembly.

Resistor and Capacitor List

Cabinet Parts Location