Samsung VP-L900, Training Manual

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Troubleshooting
8-6 Samsung Electronics
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NO IMAGE OF CAMERA MODE
Check power of camera bolck
CAM3V,CAM5V,CAMDV,
CCD15V,CCD-7.5V
Repare or change
Power supply block
Check DSP output signal.
Y-out:DSP109, QPO1
C-out:DSP105, QPO2
Check CCD output signal
CNPO1-4pin, RA03, CA04,
ICA01-26pin
Check IRIS is open?
Check CCD H,V-DRIVE
pulse V1,V2,V3,V4&H1,H2
of CCD,CNP01
Check CCD-output
CCD-7pin, QC01
Check CNCO1-4pin
Check VTR block
Check the samling and clamp
pulse of ICA01, and check of
AD-OUT & DSP INPUT
ICA01-2~11pin, DSP-6~15pin
Check IRIS & HALL block
ICL01, ICL03, QA01, QA02, CNPO2
Check ICPO2, DSP26~31pin
Replace CCD or CCD BOARD