PDP-436SXE
117
5
6
7
8
5
6
7
8
C
D
F
A
B
E
No component video picture displayed
No component video picture
displayed
Yes
Is the function corresponding
to selected signal input
selected?
No Select the input select
function corresponding to
the signal being input.
Check between the pinjack
and IC4806.
Yes
Yes
No
Are the signals output from
IC4806?
(pin 41), (pin 43), (pin 45)
Check around IC4806 and
communication between
IC4806 and the
microcomputer.
No
Yes
Are communications
between the microcomputer
and each IC on the OBE
MAIN Assy OK?
Check the IC with a
communication failure and
around the microcomputer.
Yes
No
Does the symptom
disappear after the OBE
MAIN Assy is replaced?
Failure in the panel
Yes
No
Finished
Yes
14
13
12
Are the signals detected at
IC6201?
(pin 43), (pin 48), (pin 54)
Check between IC4806 and
IC6201.
No
17
16
15
Are the signals detected at
IC4806? (pin 94), (pin 96),
(pin 98)
20
19
18