49
13VT-N100
13VT-N150
13VT-CN10
SOUND E-E MODE TROUBLESHOOTING
FLOW CHART NO.1-15
FLOW CHART NO.1-16
No E-E signal
YES
YES
YES
YES
NO
YES
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Are there the I
2
C bus data
and clock signal at pins (8)
and (7) of IC2201?
Check circuits around the audio output
circuit in IC401 and parts around the audio
inputs jack (J401).
Check between pins (8) and (7) of IC2201
and all the way thru to pins (72) and (71) of
IC2001.
NO
NO
NO
NO
SOUND RECORDING MODE TROUBLESHOOTING
No record.
Check PC 5V line.
Is there "H" level at pin (72) of IC2201?
Check A-MUTE (H)
Line. (IC2201 pin (72)~
IC2001 pin (29)).
Replace
IC2201.
Check the I
2
C
bus data and
clock signal line.
Replace
IC2201.
Is there a signal at pin (87) or
(91) of IC2201?
Is the supply voltage of 5V
feed to pin (84) of IC2201?
Is there a signal at pin (85) of
IC2201?
Check between pin (85) of IC2201 and pin (1) of IC402.
Is voltage of pins (86) and (88) of IC2201
normal?
Is there "H" level at pin (70) of
IC2201?
Check BIAS CTL (H) line.
Check PC 9V line.
Is there a signal at pin (81) of
IC2201?
Is there "H" level at pin (2) of
T6601?
Is there a signal (Bias) at pin (6) of
T6601?
Check T6601, Q6603, Q6604 and
their peripheral parts.
Is there a signal (Bias+Audio sig.) at
pin (4) of connector AA?
Check the signal line between pin
(4) of connector AA and pin (81) of
IC2201, and pin (6) of T6601.
NO
YES
After there the I
2
C bus data and
clock signal at pins (8) and (7) of
IC2201?
Check FFC MH-AA and A/C head.
Содержание 13VT-CN10
Страница 55: ...57 13VT N100 13VT N150 13VT CN10 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 61: ...69 13VT N100 13VT N150 13VT CN10 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 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 ...
Страница 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 ...
Страница 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 ...