PDP-R03U
51.
No picture (1)
NO
Check IC1301 and its
peripheral circuits.
Are there MAIN-R/G/B signal inputs at pins (5), (7) and
(9) of IC810 (6.7MHz L.P.F.), respectively?
YES
YES
NO
Check IC810 and its
peripheral circuits.
Are there MAIN-R/G/B signal outputs at pins (13), (11)
and (10) of IC810, respectively?
NO
Check between
IC803 and IC810.
YES
NO
Check the line between
IC7001 and IC801.
YES
YES
YES
Are there MAIN-Y and MAIN-C signal inputs at pins (1)
and (48) of IC801 (MAIN VIDEO CHROMA) respectively?
NO
Check the line between
IC402 and IC802.
Are there SUB-Y and SUB-C signal input at pin (44) and
(1) of IC802 (SUB VIDEO CHROMA), respectively?
YES
NO
Check IC801 and its
peripheral circuits.
YES
Are there MAIN-Component-Y/Cb/Cr signal outputs
at pins (21), (22) and (23) of IC801, respectively?
NO
Check IC802 and its
peripheral circuits.
Are there SUB-Y/Cb/Cr signal outputs at pins (21),
(22) and (23) of IC802, respectively?
NO
Check IC7001 and its
peripheral circuits.
Is there video signal input at pin (88) of IC7001 (Y/C
Spearate)?
NO
Check IC402 and its
peripheral circuits.
Is there video signal at pins (2) and (1) of IC402
(Sub Comb Filter)?
YES
NO
Check the line between
IC801 and IC803.
YES
Are there MAIN-Component-Y/Cb/Cr signal inputs at pins
(69), (68) and (67) of IC803 (RGB DECODER), respectively?
NO
Check the line between
IC802 and IC810.
Are there SUB-Y/Cb/Cr signal inputs at pins (5), (9)
and (7) of IC810 (6.7MHz L.P.F.), respectively?
YES
NO
Check IC803 and its
peripheral circuits.
YES
YES
Are there MAIN-R/G/B signal outputs at pins (35),
(37) and (39) of IC803, respectively?
NO
Check IC810 and its
peripheral circuits.
Are there SUB-R/G/B signal outputs at pins (13),
(11) and (10) of IC810, respectively?
YES
No external input <INPUT1>
NO
Is "INPUT1" selected
on the Input Select
menu screen?
Select "INPUT1" on
the menu screen.
YES
NO
Is there AV signal
input at pin (1) of
IC1301 (AV
SWITCH)?
Check the line
between pin (23) of
J1003 and pin (1) of
IC1301.
YES
No external input <INPUT2>
NO
Is "INPUT2" selected
on the Input Select
menu screen?
Select "INPUT2" on
the menu screen.
YES
NO
Is there AV signal
input at pin (8) of
IC1301 (AV
SWITCH)?
Check the line
between pin (20) of
J1003 and pin (8)
of IC1301.
YES
No external input <INPUT3>
NO
Is "INPUT3" selected
on the Input Select
menu screen?
Select "INPUT3" on
the menu screen.
YES
NO
Is there AV signal
input at pin (15) of
IC1301 (AV
SWITCH)?
Check the line
between pin (23) of
J1104 and pin (15)
of IC1301.
YES
No external input <INPUT4>
NO
Is "INPUT4" selected
on the Input Select
menu screen?
Select "INPUT4" on
the menu screen.
YES
NO
Is there AV signal
input at pin (22) of
IC1301 (AV
SWITCH)?
Check the line
between pin (7) of
J3401 and pin (22)
of IC1301.
Are there MAIN and SUB video signal outputs at pins (56) and (44) of IC1301, respectively?
Check the PC I/F unit.
<MAIN system>
<SUB system>
C
A
D
F
B
E
