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AVC-30/30U/AV-34
li DISASSEMBLY
PROCEDURES
1. Removal of Top Cover
Remove 5 screws ( @ ).
2. Removal of Bottom Cover
Remove 10 screws ( © ).
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<
с
^
О
X
о
е
с
EN
3. Remove of Front Panel
Remove 6 screws ( (9) ).
Bottom Cover
Front Panel
ADJUSTMENTS
@ Idling Adjustment
€
Dolby Surround Distortion Factor Adjustment
To stabilize operation of the amplifier, turn ON the
With
INPUT
BALANCE
and VOLUME
set to their
power in the no-signal state and wait for two minutes
maximum, apply а 1kHz, 150mV signal.
before the adjustment.
Adjust REAR
LEVEL so that 1.5V REAR
output is
Adjust VR601
(Lch) and VR602
(Rch) so that the
obtained, then adjust VR603 so that the distortion
voltage at both В587 (Lch) and В588 (Rch) becomes
. factor of the REAR output becomes less than 196.
DC3mV to 4mV.
ППП
rf
rpm rrr
гиге
ыч
Main Circuit Board (1)
и-СОМ Circuit Board (1)
4587
VR601
С |
т
R588
nay
P
VR603
Main Circuit Board (3)
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