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5 Troubleshooting
NK15A*/NK17A*
5-5
CONFIDENTIAL
Does the signal appear at
Pin 67 (Tuner sound signal) and Pin
47, 48 (PC sound) and Pin 56, 57
(SCART1 sound) and Pin 53, 54
(SCART2) Pin 50, 51 (VCR) of
IC 919 (MSP3451)?
Check the CN403 (PC conector) and the
CN402 (CN001) and the CN200 (CN002)
and the CN888 (Tuner) and the CN702_1.
Yes
No
Does the signal appear at Pin 27,
28 of IC919 (MSP3451)?
Check the IC919 and
related circuit of IC919.
Yes
No
Does the signal appear
at L501 ~L504?
Check the IC501 (Audio amp) and
related circuit of IC501.
Yes
No
Replace the speaker.
5-4 No Sound
Содержание NK15A Series
Страница 14: ...4 Alignments and Adjustments NK15A NK17A 4 3 CONFIDENTIAL ...
Страница 15: ...Memo 4 Alignments and Adjustments 4 4 NK15A NK17A CONFIDENTIAL ...
Страница 21: ...Memo 5 Troubleshooting 5 6 NK15A NK17A CONFIDENTIAL ...
Страница 22: ...CONFIDENTIAL NK15A NK17A 6 1 6 Exploded View and Parts List 6 1 NK15A ...
Страница 23: ...6 2 NK17A 6 Exploded View Parts List 6 2 NK15A NK17A CONFIDENTIAL ...
Страница 105: ...8 Block Diagram 8 1 NK15A NK17A NK15A NK17A 8 1 CONFIDENTIAL ...
Страница 106: ...8 Block Diagrams 8 2 NK15A NK17A CONFIDENTIAL 8 2 NK15A NK17A ...
Страница 108: ...Memo 9 Schematic Diagrams 9 2 NK15A NK17A CONFIDENTIAL ...
Страница 112: ...CONFIDENTIAL 10 Schematic Diagrams 10 4 NK15A NK17A X201 4 ...
Страница 114: ...CONFIDENTIAL 10 Schematic Diagrams 10 6 NK15A NK17A IC801 2 1 IC805 1 2 ...