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5
Image for the component or RGB signals is not displayed
Image for the component or
RGB signals is not displayed
No
Is the function corresponding
No Select the corresponding
to selected signal input
selected?
Yes
Has the signal arrived at
No
IC8005?
B
Yes
Which signal is not output,
Subsignal
main or subsignal?
Main signal
Is a signal output from
IC8005?
No
(43), (44), (46), (Pr, Pb, Y)
B
16
17
18
Yes
Has the signal arrived at
No
IC6401?
(1), (5), (25), (Y, Pb, Pr)
A
22
23
24
Yes
Has the signal arrived at
No
IC6402?
TP6402, 6403, 6404
A
28
29
30
Yes
Is the communication
No
between each IC on the
MR MAIN BOARD Assy and
the microcomputer normal?
Yes
Has the symptom been
No
settled when the MR MAIN
BOARD Assy is replaced?
Yes
Finishing troubleshooting
5
6
signal with the Input selector.
Check the communication
between the jack and
IC8005.
Check around IC8005 and
check the communications
between IC8005 and the
microcomputer.
Check the communications
between IC8005 and
IC6401.
Check the communications
between IC6401 and
IC6402.
Check around the IC that is
found to have a failure in
communication and the
microcomputer.
The panel is defective.
PDP-R04E
6
7
Image from the PC card is
not displayed
No
Is the Function correspond-
ing to selected signal input
selected?
Yes
Is a signal input to IC8005?
(48), (50), (52)
B
13
14
15
Yes
Is a signal output from
No
IC8005?
(35), (36), (38),(Pr, Pb, Y)
B
19
20
21
Yes
Has the signal arrived at
IC6601?
(1), (5), (25), (Y, Pb, Pr)
A
25
26
27
Yes
Has the signal arrived at
IC6602?
TP6604, 6605, 6606
A
31
32
33
Yes
7
8
No Select the corresponding
signal with the Input selector.
Check the communication
No
between CN8660 and
IC8005, and CN8660 and
the microcomputer.
Check the communications
No
between IC8005 and
IC6601.
Check the communications
No
between IC8005 and
IC6601.
8
A
B
C
D
E
F
131
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