Actfil Board Adjustment - Icom IC-PW1 Service Manual

4-6 ACTFIL BOARD ADJUSTMENT

ADJUSTMENT ADJUSTMENT CONDITION
OVERVOLTAGE 1 • Pre-set R52 and R53 to maxi-
DETECTION mum counterclockwise position.
2
ACTFIL UNIT
MEASUREMENT
UNIT LOCATION
ACTFIL Connect a DC volt-
meter between EP3
and EP4.
Connect a DC volt-
meter between IC6
and EP4.
DC voltmeter
EP3, EP4
Overvoltage detection
check point
4 - 11
ADJUSTMENT
VALUE
UNIT
380 V ACTFIL
210.0 V
R53
R52
Overvoltage detection
adjustment
DC voltmeter
IC6, EP4
Overvoltage detection
check point
POINT
ADJUST
R52
R53