53
13VT-N100
13VT-N150
13VT-CN10
FLOW CHART NO.2-5
FLOW CHART NO.2-7
NO SOUND
FLOW CHART NO.2-6
NO PLAYBACK PICTURE
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
Is there a signal at pin
(55) of IC401?
Check the TV:
TROUBLESHOOTING
"NO SOUND".
NO
NO
NO
NO PLAYBACK SOUND
Check IC401 and
adjacent parts.
Check the VCR:
TROUBLESHOOT-
ING "NO SOUND".
FLOW CHART NO.2-8
Does the infrared remote control
function?
Is 5V applied at pin (2) of the
remote control receiver?
Is fluorescent lighting enough away
from the set?
Is there short-circuit in the key input
or IC2001?
Check IC2001.
Check the 5V and GND lines.
Check key input terminals.
Replace the infrared remote control
as required.
Check pin (14) of IC2001 and /or
receiver.
Reposition the set not to be
exposed to strong light.
Is "L" pulse given out of pin (1) of
the receiver and received at pin (14)
of IC2001, when the infrared remote
control is activated?
No operation is possible from the
infrared remote control.
Does waveform appear
at pin (2) of IC351?
Check IC351 and
adjacent parts.
Check IC401 and
adjacent parts.
Check AT8V Line and
C361.
Does approx. 8V appear
at pin (5) of IC351?
Check IC401 and
adjacent parts as same
as "NO PICTURE".
Does waveform appear
at pin (54) of IC401?
NO
NO
NO
NO
NO
NO
NO
Check the VCR:
TROUBLESHOOT-
ING "NO
PLAYBACK".
Is there a signal at pin
(39) of IC401?
INFRARED R/C TROUBLESHOOTING
Summary of Contents for 13VT-CN10
Page 69: ...83 6 5 4 3 2 1 A B C D E F G H 13VT N100 13VT N150 13VT CN10 PWB C POWER Unit Wiring Side ...
Page 70: ...84 6 5 4 3 2 1 A B C D E F G H 13VT N100 13VT N150 13VT CN10 PWB A MAIN Unit Wiring Side ...
Page 71: ...85 6 5 4 3 2 1 A B C D E F G H 13VT N100 13VT N150 13VT CN10 PWB A MAIN Unit Chip Parts Side ...
