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Picture doesn't appear only in the video system
Picture doesn't appear
only in the video system.
Check that the
correct signal input
to the MAIN Assy.
No
Check that the
power supply
is correct.
Yes
Check that the
judgment of Assy's
present/absent
is correct.
Yes
Check that the
S input detection
is correct.
Yes
Check that reset
signal is flow.
Yes
Check that I
data is correct.
Yes
Replace the
VIDEO Assy
End
Yes
CK1350
R
CK4015 (K4007)
CK1349
G
CK4017 (K4006)
CK1348
B
CK4019 (K4005)
CK1347 CS
CK4021 (K4014)
CK1346 HS
CK4022 (K4008)
(CN1302 on the (CN4005 on the
MAIN Assy)
VIDEO Assy)
In this case, it usually
becomes PD.
No
CK1343
13.2V
CK1345
6V
CK1341 10V(STB)
(CN1301-pins 1, 3 and 5 on the
MAIN Assy)
No
CK1339
CK4033
(CN1301-pin 11
(CN4002-pin 11
on the MAIN Assy)
on the VIDEO Assy)
GND is correct.
No
CK1337
CK4032(K4013)
(CN1301-pin 10
(CN4002-pin 10
on the MAIN Assy)
on the VIDEO Assy)
+12V at S input and GND at C.V input
are correct.
No
Check that CK4029 turns to GND
in a moment at power ON.
(CN4002-pin 7 on the VIDEO Assy)
2
No
C
CK1335
CK4030(K4011)
CK1337
CK4031(K4012)
(CN1301-pins 8, 10 (CN4002-pins 8, 9
on the MAIN Assy)
on the VIDEO Assy)
Some data are being sent in the
amplitude of 5V.
RVD-XG10, RVD-XG10ED, RVA-VK10
Replace the
MAIN Assy
Check that
lead wires are
correctly connected and
connector does not dis-
connected. B1-A4
(CN4002-CN1301),
B2-A5 (CN4005
CK4023
-CN1302)
CK4025
CK4027 10V(STB)
(CN4002-pins 1, 3 and 5 on the
Yes
VIDEO Assy)
Replace the
DC POWER
SUPPLY Assy
Replace the
MAIN Assy
13.2V
6V
89
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