DRAGON-DAC Limited
3-4
2.
PARTS LOCATION FOR ELECTRICAL ADJUSTMENT
Fig. 2
3.
ELECTRICAL ADJUSTMENTS
1. Turn ON the power.
2. Adjust VR401 to obtain +9.0 V
±
0.1 V on the DC
voltmeter.
STEP
ITEM
OUTPUT
MODE
ADJUST-
REMARKS
CONNECTION
MENT
1
±
9 V
DC Voltmeter
—
DIF D-D P.C.B.
Adjustment
b9 V line
VR401
(+ terminal of C422)
and GND
(on DIF D-D P.C.B.)
or
between Q802L
collector and GND
(on DAC FA P.C.B.)
VR401
9.0V
DIF D-D P.C.B.
[ FRONT SIDE ]
C422
+9V LINE
GND
+
