3-24
YES
NO
(C)
Check input stream existence.
Any problem?
Any problem in selecting ATSC?
Any decoding problem?
End
NO
NO
check VSB(IC203 ) block.
FIG. 05
YES
YES
OK
Check voltage of IC203(23) => 3.3V
Check signal strength. If OK, check
system clock 27MHz. IC300(9)
Check HD 2 chip Interrupt
FIG. 06
YES
NO
(B)
Check whether analog mute ON?
Check analog buffers. IC303 for 480i, IC302
for component YPbPr or RGB analog
Jump to (A) flow
OK
No OSD is not a problem.
Check DVI output.
YES
Check wA12V is supplied.
Содержание LST-3100A
Страница 17: ...3 8 Fig 01 12 2880MHz clock Fig 02 48KHz clock Fig 04 Analog Audio Signal Fig 03 Data Signal ...
Страница 19: ...3 10 Fig 06 Analog Audio Signal ...
Страница 22: ...3 13 Fig 07 Digital Audio Signal Fig 08 Coaxial Digital Audio Signal ...
Страница 31: ...3 23 FIG 04 V sync signal FIG 03 H sync signal ...
Страница 33: ...3 25 FIG 05 Input Stream to IC203 FIG 06 Interrupt Signal ...
Страница 34: ...3 26 ...
Страница 35: ...3 27 ...
Страница 36: ...3 28 YES D Check analog buffers IC303 for 480i Jump to A flow ...
Страница 50: ...3 50 3 51 2 CPU AUDIO POWER CIRCUIT DIAGRAM ...
Страница 51: ...3 52 3 53 3 HD2 TUNER DVI CIRCUIT DIAGRAM ...
Страница 52: ...3 54 3 55 4 ATSCII STB CIRCUIT DIAGRAM ...
Страница 53: ...3 56 3 57 5 FRONT CIRCUIT DIAGRAM ...
Страница 54: ...3 58 3 59 PRINTED CIRCUIT DIAGRAMS 1 DIGITAL MAIN P C BOARD BOTTOM LOCATION GUIDE ...
Страница 55: ...3 60 3 61 2 DIGITAL MAIN P C BOARD TOP ...
Страница 56: ...3 62 3 63 3 FRONT P C BOARD 4 POWER P C BOARD LOCATION GUIDE ...
Страница 57: ......