Akai UCU 2 Service Manual

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Akai UCU 2 Service Manual

Extracted text from Akai UCU 2 Service Manual (Ocr-read)


Page 2

FM AM STEREO TUNER

MODEL [JG-[(2

STEREO INTEGRATED AMPLIFIER

MODEL UC-U2
STEREO CA SSETTE DECK
MODEL UC-MZ
ALSO APPLICABLE TO BLACK PANEL MODEL

TAB LE OF CONTENTS

SECTION 1 MODEL UC—KZ ........................ 3
SECTION 2 MODEL UC-U2 ........................ [5
SECTION 3 MODEL UC-M2 ........................ 29
SECTION 4 PARTS LIST .......................... 47

SECTION 5 SCHEMATIC DIAGRAM ................ 78

Page 8

V. VOLTAGE CONVERSION

‘vimiels 2:} Canada, USA Augrmlia
ire rim eqiizpped with this familitv _
sci to 110V: l’ZOV, 220V m 240\’ “I: zequned l
machine is preset at the factory according [Li desliiiat ;
HoweVer. if voltage change 18 necessary: this can we
accomplished by a qualified service personnel as i‘ollows’
. Disconnect power cord
V Loosen holdingscrews and remme top panel.
With a flat bladed screwdiivei rotate the seleetm:
lucated on the left hand side (Puwer Switch Sidei
until the arrow points to the desired mltage,


m w w

i'ersmn ill“? Model)

0

$5

Page 24

2. LEVEL METER ADJUSTMENT

Fig. 7 Level Meter Adjustment

AC VOLTMETER
Lch R ch

AUDIO UC -U2
OSCILLATOR

I

<5

I

‘i’?

(tKHzl RL = (30th

Fig. 8 Instrument Connections

Feeding in l kllz from audio oscillator, adjust the
VOLUME Knob until the voltage at both ends of RL
(8 ohms) is 630 mV.

Also_ adjust R302 (1 kB‘ belt) and R252 (1 kB,
R-Cltl In the p0ltHWl10K} the 0.05 watts indicator will
start lighting up.

23