Kenwood KRF-V6060D Service Manual page 15

KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/6070
QQ
3 7 63 1515 0
ITEM
No.
AUDIO SECTION
<1> IDLE CURRENT
Idling Current Adjustment
All power amplifier stage need idling current adjustment after the installation of TRAIT transistor.
1. Connect a voltmeter to CN11 with the correct polarity as indicated by the PCB silk print.
2. Adjust the preset, VR1 to get 8.8mV (Idling current = 20mA ) at the voltmeter reading.
3. Repeat step 1 and 2 for all other channels.
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15
ADJUSTMENT
INPUT
SETTINGS SETTINGS
SPEAKER : A
CN11, FL ch.
CN10, FR ch.
CN14, SL ch.
CN13, SR ch.
CN12, C ch.
CN15, SW ch.
X09(A/4)
x ao
y
. i
OUTPUT RECEIVER
SETTINGS
(FRONT 2ch
MODE)
Volume:
Minimum
Q Q
3 6 7
u163
2 9 9 4
8
ALIGNMENT
ALIGN FOR
POINTS
VR1(FL)
VR2(FR) Adjust every
potentiometer
VR3(SL)
10 minutes later
VR4(SR)
VR5(CENTER) after turned
the power on.
VR6(SUB WOOFER)
X09(A/4)
1 3 1 5 0 5 8 2 9
m
co
.
2 8
9 9
FIG.
9 4 2 8 9 9