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Samsung HCN553WX/XAC Service Manual page 16

Projection tv receiver
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5-3 No Raster
Check the input voltage of PWE CORD
Check the Standby
voltage of ICS802
Check MICOM VCC
Check the operating status
of MICOM POWER PORT
Check QS802
Check ICS801,PC811S
Check the voltage/waveform
of CN801,CN802,CN401
Check the input of D/W-MDL
Check the output from
D/W-MDL CN03
Samsung Electronics
Check the operating
status of remote control
and POWER S/W
Check the input voltage
Check IC831,PC801S
Check the circuits related to
MICOM VCC input
Check the circuits related to IR / MICOM
Check the circuits related to QS802
Check the circuits related to ICS801,PC811S
Check the circuits related to
CN801,CN802,CN401
Check the circuits related to
D/W-MDL input
Check the remote
control and
CONTROL ASSY
Check the input
voltage/waveform of
CRT-PCB CN501,CN504
Check the input/output
circuits of IC501,IC531,IC561
Check the voltage
of CRT,SCREEN
Troubleshooting
Check the circuits inside D/W-MDL
Check CONNECTOR WIRE
Check the circuits related to
the input/output of IC501,IC531,IC561
5-3

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