Samsung VP-L900 Training Manual page 167

Troubleshooting
NO IMAGE OF CAMERA MODE
Check power of camera bolck
CAM3V,CAM5V,CAMDV,
CCD15V,CCD-7.5V
Check DSP output signal.
Y-out:DSP109, QPO1
C-out:DSP105, QPO2
Check CCD output signal
CNPO1-4pin, RA03, CA04,
Check IRIS is open?
Check CCD H,V-DRIVE
pulse V1,V2,V3,V4&H1,H2
Check CCD-output
CCD-7pin, QC01
Check CNCO1-4pin
8-6
No
Yes
Yes
No
Yes
ICA01-26pin
No
No
Yes
No
of CCD,CNP01
Yes
No
Yes
Repare or change
Power supply block
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
Samsung Electronics