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2. Vertical HEIGHT·
Check 24V Line
L..-_ _ --..-_ _
---J
( Measure by 7 pin of IC402 )
on the DEF PWB PWE-173A
Low
SW, REG, UNIT
OK
t-'-'--'-----'-'--'----------------"i.
(See item
0)
Check 12V Li ne
Low
OK
( Measure by 20 pin of IC501 )
on the DEF PWB PWE-173A
V.SIZE
Limitter
Circuit
V.SIZE
Correction
Circuit
V DEF
Circuit
Readjust
-49-
IC501, ZD401, R401
C401 Failure
IC442, IC443
Failure
TR440, TR441 , TR449
IC440,IC441
LINE MODE Circuit
V.MODE Circuit
Failure
IC501, 1C401, IC402
DY, C410
Failure
V HEIGHT VR440, VR441
V R3
See AI ignment
procedure
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