6
DRA-F101
ADJUSTMENT
IDLING CURRENT
Setup
1. Place the unit at an ordinary position avoiding direct air flow from an air-conditioner or fan. Do the adjustment at a
temperature between 15 °C (59 °F) and 30 °C (86 °F).
2. Set control as follows.
VOLUME control → fully counterclockwise ( min.)
SPEAKER terminals → open: do not connect the speakers, dummy load etc.
Adjustment
1. Remove top cover. And then connect DC voltmeter to the test points CX031 and CX032 of POWER P.W.B.
2. Connect power cord to AC230V (218 ~ 242V) wall outlet, and turn POWER switch "ON".
3. Right after power on, adjust VR351 and VR352 so that the DC voltmeter reads 10 ±1mV.
4. Then after 2 minutes warmup adjust VR351 and VR352 so that the DC voltmeter reads 10 ±1mV.
5. And after 10 minutes warmup adjust VR351 and VR352 so that the DC voltmeter reads 10 ±0.5mV.
CX031
CX032
VR351
VR352
LR
DC Voltmeter
Volume
Trans
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