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1
A
Does not the picture of the composite video signal input to INPUT3 go out?
MAIN UNIT:
Is CVBS signal output from pin (6) in input terminal J901 to pin
(5) of connector P901?
TERMINAL UNIT:
Is the CVBS signal input from pin (5) of connector P501 to pin (3)
of IC506 (VIDEO SELECTOR)?
B
Is the composite video signal detection signal V3_PLUG signal
from pin (7) of the input terminal J901 normal?
s I
h t
e
V
3
_
P
L
U
G
s
g i
n
l a
n i
p
t u
Is video signal MAIN_Y/V output into pin (2) of connector SC501
C
from pin (52) of IC506?
MINI AV UNIT:
Is picture signal MAIN_Y/V input to pin (2) of connector SC1101?
Is picture signal MAIN_Y/V input to pin (Y4) of IC3301
(VIDEO_PROCESSOR)?
D
Refer to "The picture doesn't appear in all modes."
E
F
48
1
2
<When INPUT3 is used for external input> No picture on the display (7)
YES
YES
YES
o t
p
n i
(
) 2
f o
C I
5
0
6
?
YES
YES
YES
YES
2
3
NO
Check the line between J901 and P901.
NO
Check the line between P501 and IC506.
(Connector P901/P501, etc.)
NO
Check J901 or peripheral circuits.
N
O
C
heck the between V3_PLUG_LINE J901 and pin (2) of TERMI-
NAL UNIT's IC506. (ConnectorP901/P501,etc)
NO
Check the line between IC506 and SC501.
NO
Check the connector (SC501/SC1101)
NO
Check the line between SC1101 and IC3301.
KRL-46V
3
4
4
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