Hitachi VK-S274R Service Manual page 24

Troubleshooting > Trouble Diagnosis
3
OK
TL1347 to 1350:
Pulses
NG
NG
IC1302-2,4,24:3V
OK
NG
Check the 7.2V (VM)
IC1302-10,15:7.2V
line
OK
NG
TL1312 :Pulse
OK
NG
IC1302-23:Pulse
OK
NG
IC1302-20:Pulse
OK
NG
IC1302-5:Pulse
OK
IC1302 faulty.
Lens unit faulty.
Check the 3V line
I C 1 2 0 1 f a u l t y .
I C 1 2 0 1 f a u l t y .
I C 1 2 0 1 f a u l t y .
I C 1 2 0 1 f a u l t y .
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