31
Check F output.
(
4.8V
)
( 1 14- 16)
※
4.32V
〜
.28V
Check -32V output.
・
Voltage check.
-32V DC (non-switched) voltage is O. .
( 1
12)
2. DISPLAY UNIT
2.1. FL TUBE doesn t light.
Check VCC 3.3V output.
・
Voltage check.
3.3V DC (non-switched) voltage is O. .
( 1
18)
Check parts (surrounding) and soldering.
・
U (PT6302)
・
1
(20 1 W OUSIN )
and other circuits.
Check parts (surrounding) and soldering.
・
U3 (MR-662 UYB)
POWER UNIT
・
T1 (EER28(SW TRANS))
・
D19 (FR307)
・
1
(20 1 W OUSIN )
and other circuits.
Check parts (surrounding) and soldering.
・
U (PT6302)
POWER UNIT
・
T1 (EER28(SW TRANS))
・
D4 (FR107)
・
1
(20 1 W OUSIN )
and other circuits.
N.G.
N.G.
N.G.
O. .
O. .
Check parts (surrounding) and soldering.
・
U (PT6302)
・
U3 (MR-662 UYB)
・
1
(20 1 W OUSIN )
POWER UNIT
・
P3 (20PIN FFC 1.0mm)
・
P4 (1 PIN FFC 1.0mm)
MAIN UNIT
・
U100D (MT8 30 DDR2)
and other circuits.
O. .
END
O. .