4 - 10
4-5 SUBREG BOARD ADJUSTMENT
OUTPUT
VOLTAGE
LIMITTER
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
POINT
UNIT
LOCATION
UNIT
ADJUST
1
1
2
• Pre-set R12 and R15 to maxi-
mum counterclockwise position.
• Connect a variable load-resistor
between J1, pin 1 and pin 6.
SUBREG
SUBREG
Connect a DC volt-
meter between J1,
pin 1 and pin 6.
Connect an amme-
ter between J1, pin
1 and variable load-
resistor.
Connect a DC volt-
meter between J1,
pin 1 and pin 6.
13.6 V
6.2 A
Below 13.3 V
SUBREG
SUBREG
R12
R15
Variable load-
resistor
4-4 PX-1981 PREPARATION
‘
‘
REQUIRED TEST EQUIPMENT
NOTE:
All adjustments must be input 200 V AC except a part of CONV-CTRL ADJUSTMENT.
EQUIPMENT
DC voltmeter
Variable load-resistor
GRADE AND RANGE
Input impedance
: 50 k
Ω
/DC or better
Power capacity
: 2800 W or more
EQUIPMENT
Ammeter
GRADE AND RANGE
Mesurement
: 0.1–100 A
capability
R12
Pre-set to maximum counter-clockwise
Output voltage adjustment
R15
Pre-set to maximum counter-clockwise
Limitter adjustment
J1 pin 1, pin 6
Output voltage check point
Limitter check point
Limitter adjustment only
Load-resistor
DC voltmeter
Ammeter
SUB-REG UNIT
Summary of Contents for IC-PW1
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Page 24: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 16 Jun 2010 ...
Page 42: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 16 VOLTAGE DIAGRAM 18 Apr 2010 ...
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