3-9
Fig. 05 Analog Audio Signal
NO
NO
NO
YES
YES
(2) Check IC112 and Surroundings
(3) Check Q102, Q103, Q109, Q110 and Surroundings
(4) Check Output Jack and Surroundings
59V is supplied to IC112(8)?
Analog audio signal is output from
IC112(1, 7)? Fig. 05
Analog audio signal is output from
Q102, Q103, Q109, Q110(1)? Fig. 06
9V is supplied to Q102, Q103,
Q109,Q110(3)?
Check CN300(VARIABLE_ L, VARIABLE_ R, MONITOR_ L, MONITOR_ R)
And their surroundings
Check Power Supply Part
Check IC112 and surroundings
NO
Check Power Supply Part
Check Q102, Q103, Q109, Q110 and
surroundings
Summary of Contents for LST-3100A
Page 17: ...3 8 Fig 01 12 2880MHz clock Fig 02 48KHz clock Fig 04 Analog Audio Signal Fig 03 Data Signal ...
Page 19: ...3 10 Fig 06 Analog Audio Signal ...
Page 22: ...3 13 Fig 07 Digital Audio Signal Fig 08 Coaxial Digital Audio Signal ...
Page 31: ...3 23 FIG 04 V sync signal FIG 03 H sync signal ...
Page 33: ...3 25 FIG 05 Input Stream to IC203 FIG 06 Interrupt Signal ...
Page 34: ...3 26 ...
Page 35: ...3 27 ...
Page 36: ...3 28 YES D Check analog buffers IC303 for 480i Jump to A flow ...
Page 50: ...3 50 3 51 2 CPU AUDIO POWER CIRCUIT DIAGRAM ...
Page 51: ...3 52 3 53 3 HD2 TUNER DVI CIRCUIT DIAGRAM ...
Page 52: ...3 54 3 55 4 ATSCII STB CIRCUIT DIAGRAM ...
Page 53: ...3 56 3 57 5 FRONT CIRCUIT DIAGRAM ...
Page 54: ...3 58 3 59 PRINTED CIRCUIT DIAGRAMS 1 DIGITAL MAIN P C BOARD BOTTOM LOCATION GUIDE ...
Page 55: ...3 60 3 61 2 DIGITAL MAIN P C BOARD TOP ...
Page 56: ...3 62 3 63 3 FRONT P C BOARD 4 POWER P C BOARD LOCATION GUIDE ...
Page 57: ......
