53
13VT-N200
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
Содержание 13VT-N200
Страница 54: ...55 13VT N200 54 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H PWB A CHASSIS LAYOUT PWB C PWB B PWB D ...
Страница 55: ...57 13VT N200 56 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM OF TV SECTION ...
Страница 57: ...61 13VT N200 60 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SERVO PROCESS BLOCK DIAGRAM ...
Страница 58: ...62 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 13VT N200 Ë SYSTEM CONTROL BLOCK DIAGRAM 6 5 4 3 2 1 A B C D E F G H ...
Страница 59: ...63 17 16 19 18 15 14 13 12 11 10 13VT N200 Ë SAFETY DEVICE BLOCK DIAGRAM 6 5 4 3 2 1 A B C D E F G H ...
Страница 60: ...65 13VT N200 64 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë VIDEO SIGNAL FLOW BLOCK DIAGRAM ...
Страница 61: ...67 13VT N200 66 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë AUDIO BLOCK DIAGRAM ...
Страница 62: ...69 13VT N200 68 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL SCHEMATIC DIAGRAM ...
Страница 64: ...71 17 16 19 18 15 14 13 12 11 10 13VT N200 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit ...
Страница 65: ...73 13VT N200 72 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 1 Unit TV Section ...
Страница 66: ...75 13VT N200 74 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 2 Unit TV Section ...
Страница 68: ...79 13VT N200 78 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 3 Unit VCR Section ...
Страница 69: ...81 13VT N200 80 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 4 Unit VCR Section ...
Страница 71: ...83 13VT N200 6 5 4 3 2 1 A B C D E F G H PWB C POWER Unit Wiring Side ...
Страница 72: ...84 13VT N200 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side ...
Страница 73: ...85 13VT N200 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...