Kenwood KA-3050R Service Manual

STEREO
INTEGRATED
AMPLIFIER
KENWOOD
KA-2050R/3050R
SERVICE
MANUAL
©1992-6 PRINTED
IN
JAPAN
B51 -4546-00 (S)
2349
(KA-2050R)
Panel ass'y
(A60-021
9-02)
Knob
(K29-4384-04)
Metallic
cabinet
(A01
-2932-02)
Knob
(K29-4384-04)
Phone jack
(El
1-0208-05)
Knob
(K29-4382-04)
Foot
(J02-1
034-05)
Knob
(K29-4215-04)
AC power
cord*
Phono
jack
(El
Phono jack
Miniature
phone
jack
Phono jack
(El
3-0634-05)
Screw
terminal
board
Power cord
bushing
(E70-0018-05):
E,
X,
M,
P,T
(J42-0083-05)
(E70-001
9-05):
L
outlet*
C
&3-)
Slide
switch
(S3
1-2322-05)

Kenwood KA-3050R Specifications

General

Frequency Response	10Hz to 70kHz
Input Sensitivity	2.5mV (MM), 200mV (line)
Signal-to-Noise Ratio	76dB (MM), 100dB (line)
Dimensions	440 x 137 x 349mm
Weight	8.2kg
Total Harmonic Distortion	0.09% (8 ohms, 20Hz - 20kHz)
Speaker Impedance	4Ω to 16Ω
Signal to noise ratio	76dB (MM), 100dB (line)

Summary

Adjustment Procedures

Reglages

Abgleich

Wiring Diagram

PC Board Component Views

Audio Unit Component View

Component layout for the audio section of the amplifier.

Control Unit Component View

Component layout for the control section of the amplifier.

Schematic Diagram

DC Voltages and Measurement Precautions

DC Voltages

Details on measuring DC voltages on circuit boards for diagnostics.

Safety Precautions for Measurements

Critical safety advice for handling voltage measurements.

Remote Control Operation

Exploded View

Parts List

KA-2050R Specific Parts

List of parts specific to the KA-2050R model.

Audio Unit Parts

List of parts for the audio unit assembly.

Control Unit Parts

List of parts for the control unit assembly.

Specifications (UK & Europe)

Specifications (Other Countries)