Hitachi P50XR01E, Service Manual

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31
P50XR01U/E P60XR01U/E
[Picture: composite & S-video troubleshooting]
[Picture: RGB (SCART) & component troubleshooting]
Composite and s-video
Does the fault appear
if you change a RCA or Mini
DIN cable?
Change MAIN P C B
Yes
Change RCA or Mini DIN cable
No
f
No
Are waveforms at
Pin2(CV output) of IM06 of MAIN P C B
normal?
Yes
Change MAIN P C B
If no improvement,
exchange Terminal P C B
RGB (SCART)
Are waveforms at
Pin5(R output), 6(G output),
3(B output) of IM04 of MAIN
P C B normal?
Yes
No
g
Does the fault appear
if you change a SCART
cable?
Change MAIN P C B
Yes Change SCART cable
No
Change MAIN P C B
If no improvement,
exchange Terminal P C B
Component
Are waveforms at
Q002 (Pb output)/Q003 (Pr
output)/Q005 (Y output) of MAIN
P C B normal?
Yes
No
h
Does the fault appear
if you change a RCA cable?
Yes Change RCA cable
No
Change MAIN P C B
Change MAIN P C B
If no improvement,
exchange Terminal P C B