Kenwood KA-770D Service Manual

STEREO INTEGLATED AMPLIFIER
A-770D
SERVICE MANUAL
C1987-7 PRINTED IN JAPAN
B51-3275-00(T)2227
Panel ass'y Knob (Button) Knob
(A20-5303-03) (K29-2684-04) x 5 (K29-2689-04}
Knob ass’y (Button) Metallic cabinet © Knob (Button)
mane
(K29-2687-14)
x3
(AQ1-1553-01)
(K29-2727-04)
(K29-1822-04) x 2
KENWOOD erewe wrajmarac semen 14-770)
Knobass’y (Button)
(K29-2687-14)x2
Knob ass’y (Button) Phone jack
(K29-2724-04) (E11-0174-05)
Knob Knob ass‘y (Button)
(K29-2077-03) x 3 (K29-2685-14) x4
Phono jack (6P)
(E13-0630-05) x 3
AC outlet*
Binding post
Powe cord bushing
(NO8-O 128-35)
(J4240 83-05)
Foot*
(JO2-) x 4 Slide switch*
($31-2083-05)
AC ower cord*
Phono
jack
(2P)
(E3¢)
(E13-0235-05}
Screw
terminal
board
({E20-)
* Refer to parts list page 26.

Kenwood KA-770D Specifications

Power

power output per channel	80 W
maximum continuous power output	120 W
dynamic power per channel at 4 ohms	190 W
power consumption	260 W

Audio Performance

total harmonic distortion at 8 ohms	0.055%
intermodulation distortion	0.055%
damping factor	600

Input/Output Specifications

input sensitivity/impedance phono (MM)	2.6 mV/47 kohms
input sensitivity/impedance phono (MC)	0.2 mV/100 ohms
output level/impedance tape rec	150 mV/220 ohms

Signal to Noise Ratio

signal to noise ratio phono (MM)	86 dB
signal to noise ratio phono (MC)	66 dB
signal to noise ratio tuner/aux/tape	108 dB

Dimensions and Weight

width	440 mm
height	143 mm
depth	343 mm
weight	9.2 kg