Technics SU-X301

ORDER NO. AD9002026C8
Service Manual
Amplifier
Stereo
Integrated
Amplifier
S
U
-
x
1
0
1
/
S
U
:
X
2 0
1
Color
|(K)...Black Type |
Area
Country Area
Code
Continental Europe
B Great Britain
F.R.Germany & Italy
Asia, Latin America,
(GC) Middle Near East and
Africa
SPECIFICATIONS
(DIN 45 500)
AMPLIFIER SECTION Muting —20 dB
DIN power output 2x40 W (8Q) (SU-X101) Super bass 70 Hz, O~ +10 dB
1kHz THD: 1% 2x50 W (8Q) (SU-X301) Output voltage
TAPE REC OUT 200 mV
Total
harmonic
distortion
Channel
balance,
AUX
250
Hz~6,300
Hz
+1.0
dB
rated
power
at
1
kHz
1%
(8
Q)
Channel
separation,
AUX
1
kHz
55
dB
Harmonic
distortion
Headphones
output
level
and
impedance
473
mV/330
Q
half power at 1 kHz 0.03 % (8Q) Load impedance
Residual
hum
and
noise
0.5
mV
MAIN
8Q~160
Damping
factor
30
(8
Q)
SURROUND
8O~160
Input sensitivity and impedance
PHONO 3 mV/47 kQ
TUNER, AUX, TAPE 200 mV/22 kQ W@ GENERAL
CD 300 mV/15 kQ
Maximum
input
voltage
(1
kHz,
RMS)
Power
consumption
330
W
PHONO 120 mV Power supply
S/N
(rated
power
8
©)
For
Great
Britain
and
Oceania:
AC
50
H2/60
Hz,
240
V
PHONO 73 dB (IHF, A: 79 dB) For continental Europe, F.R. Germany and Italy:
TUNER, CD, AUX, TAPE 84 dB (IHF, A: 83 dB) AC 50 Hz/60 Hz, 220 V
Frequency response For others: AC 50 Hz/60 Hz, 110 V/127 V/220 V/240 V
PHONO
RIAA
standard
curve
Dimensions
(W
x
H
x
D)
360
x
106.2
x
304
mm
oan
+0.8
dB
(30
Hz~15
kHz)
(14-3/16"
x
4-3/16"
x
12”)
:
ER,
CD,
AUX,
TAPE
15
Hz~50
kHz
(—3
dB)
Weight
5.3
kg
(11.7
Ib.)
one controls
BASS 50 Hz, +10 dB~—10 dB Note:
pRERSS SU ne ae wee Total harmonic distortion is measured by the digital spectrum
analyzer.
‘Technics
Matsushita
Electric
Industrial
Co.,
Ltd.
Central
P.O.
Box
288,
Osaka
530-91,
Japan

Technics SU-X301 Specifications

General

Input Sensitivity (line)	150 mV
Signal-to-Noise Ratio (line)	90 dB
Input Sensitivity (phono)	2.5 mV
Speaker Load Impedance	8 ohms
Dimensions	430 x 110 x 290 mm

Summary

Product Specifications

Amplifier Section Technical Specs

Detailed technical specifications for the amplifier section.

General Unit Specifications

General technical details including power supply, dimensions, and weight.

Service and Maintenance Information

Pre-Repair Procedures and Protection Circuitry

Procedures for servicing before repair and protection circuit details.

Unit Accessories

Lists included accessories and their regional variations.

Unit Layout and External Connectivity

Control and Terminal Identification

Identification of front/rear panel controls and connection terminals.

External Connectivity Guide

Guide for connecting audio sources, accessories, and power.

Internal Service and System Diagrams

Disassembly Instructions and Component Removal

Steps for disassembling unit components and removing PCBs.

System Diagrams and Component Guides

Block diagram, wiring, PCBs, terminals, and IC functions.

Parts and Service Aids

Replacement Parts List

Comprehensive list of replaceable parts for SU-X101/SU-X301.

Exploded View Assembly Diagram

Visual representation of unit components for assembly/disassembly.