3-6
YES
YES
NO
(4) No 12VA
Is there about 13V
at the IC155 pin1?
Is there about 3.3V~5V
at the IC155 pin4?
Check the IC155
and Replace
Check or Replace
the D109
NO
Check the ‘PWR CTL
“H”’ signal from µ-com
YES
YES
YES
YES
NO
NO
NO
(6) No VFD
No VFD
Is The R123
Normal?
Is The D107
Normal?
Is The ZD102
Normal?
Check and
Replace the D108
Replace the R123
Replace the R107
Replace the ZD102
YES
YES
NO
(5) No 30VA
No 30VA
Is The ZD110
Normal?
Check and
Replace the D110
Replace the ZD101
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: ......