Table of Contents
Troubleshooting charts
No Sub Picture(CVBS & Y/C)
Check Mode (CVBS or YC/RGB)
Check Input Signal/Terminal
Check External CVBS(RF:AV)
CVBS
Check Switched Video output
IC201 #43
Check Digital RGB
RGB(IC302 #31~34, #37~40)
Picture RGB/H/V
IC500 #27 #28 #29 #34 #35
Check RGB/ H / V
IC708 #16 #13 #11
IC710 #4 #10
Check D-SUB cable
AV1 (IC201 #54)
AV2 (IC201 #4)
AV3 (IC201 #56)
AV4 (IC201 #55)
O.K.
YC/RGB
No Sub Picture(YC/RGB)
Replace Terminal and cable
Check path
Check Sub RF CVBS(AV/RF)
Sub Tuner (T301 #19)
Check External Y/C
IC302 #71#72
Repair or Replace IC201
Main Input Port Change
Main Tuner (IC500 #183)
Repair or Replace IC302
Repair or Replace IC500
Repair or Replace IC708
IC710
Change cable
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