Sanyo PLV-Z2 Service Manual page 38

■ Troubleshooting
No Picture
Refer to Schematic Diagram or Block Diagram (P34), find out the part of trouble.
In advance check the setting mode or connections according to Owner's Manual.
All Mode?
No
Composite Video
S-Video
Component Video (480i/575i)
RGB (SCART)
DVI-D (Digital)
Component Video (Others)
RGB (Others)
Component Video (All)
RGB (Analog)
Component Video (480i/575i)
Component Video (Others)
Yes
See page 34
for checking signal lines.
Check:
Parts arround IC301, IC9401, IC401, IC501, IC1501, IC2501
Signal of Test Point: TPV1R, TPV1G, TPV1B, TP35R, TP35G, TP35B
(RGB, S&H signal)
DC Voltage Line: 15.5V
Check:
Parts arround IC101 (Video Decoder)
Check:
Parts arround IC8201, IC8251
DVI-D is OK.
Check:
Parts arround IC5201 (Signal Switch)
Check:
Q6231 (Cb), Q6241 (Y), Q6251 (Cr)
Check:
Q6201 (Cb), Q6211 (Y), Q6221 (Cr)
-38-
Check:
Parts arround IC5361, IC5341, IC5321