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