Adjustment - Pioneer GM-X1024 Service Manual

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3 7 63 1515 0

6. ADJUSTMENT

No. Item
1 Idling current
(adjustment)
2 DC-DC Converter Input ; adjust 30 seconds after 1kΩ terminate
voltage
(adjustment)
- Connection Diagram
TE
L 13942296513
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Conditions
Input ; adjust 30 seconds after 1kΩ terminate
power is switched on, and within 20
seconds.
power is switched on, and within 20
seconds.
+14.4V
DC Regulated
Power Supply
mV Meter
Q215
(1)
Q216
mV Meter
Q115
(1)
Q116
+
mV Meter
AMP UNIT
(3)
GND
+
mV Meter
(2)
GND
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2 9
8
Adjustment point
Q Q
3 6 7 1 3
VR951
VR952
E
C
VR201 VR401
E
E
E
E
C
VR101 VR301
E
E
C
E
BR AR
1kΩ 1kΩ
1kΩ
1kΩ
BL AL
.
GM-X1024,GM-X924
9 4 2 8
Specifications
VR101(A Lch) mV Meter(1) : 20±6mV
VR201(A Rch)
VR301(B Lch)
VR401(B Rch)
VR951 mV Meter(2) : +29±3V
VR952 mV Meter(3) : –29±3V
4Ω
(2W)
SPEAKER A
OUTPUT
4Ω
(2W)
4Ω
(2W)
SPEAKER B
OUTPUT
4Ω
(2W)
1 5 0 5 8 2 9 9 4
Q415
mV Meter
Q416
(1)
Q315
mV Meter
Q316
(1)
m
co
Fig. 12
9 9
2 8 9 9
25