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No Raster on video Signall
(Video3 , S-video)
Check cable
and Jack
Check short circuits of Main B/D
& side B/D
Check short circuits of Main B/D
& JACK B/D
Check short circuits of Main B/D
circuitsor change the defect part
Check short circuits of Main B/D
or Change IC500
Repeat Process A
Fail
Check the Input
source
Check R212
1.Video2 : HIGH
2.s-video : LOW
Fail
Fail
Fail
Pass
Pass
Pass
Pass
Pass
Pass
Check the Input/Output
of IC200
Check the Input/Output
of IC500
Ref.5
ITU656 Clock Out :
IC200(VCTI), #83
Ref.5
Summary of Contents for 15VL56B
Page 49: ... 49 MAIN BOARD TOP COMPONENT SIDE ...
Page 54: ......
Page 58: ... 54 8 2 BLOCK DIAGRAM 20VL56B G ...
Page 59: ... 55 8 3 BLOCK DIAGRAM 15VL56B ...
Page 61: ... 57 15VL56B 20VL56B G TUNER 1 17 The information contained in this section subjects to model ...
Page 62: ... 58 15VL56B 20VL56B G VCTI 2 17 ...
Page 63: ... 59 15VL56B 20VL56B G INPUT 3 17 ...
Page 64: ... 60 15VL56B 20VL56B G 3D COMB 4 17 ...
Page 65: ... 61 15VL56B 20VL56B G S W ROM 5 17 ...
Page 66: ... 62 15VL56B 20VL56B G AMP 6 17 ...
Page 67: ... 63 15VL56B 20VL56B G SCALER 7 17 ...
Page 68: ... 64 15VL56B 20VL56B G INTERFACE 8 17 ...
Page 69: ... 65 15VL56B 20VL56B G POWER 9 17 ...
Page 70: ... 66 15VL56B 20VL56B G COMPONENT JACK 10 17 ...
Page 71: ... 67 15VL56B 20VL56B G D JACK 11 17 ...
Page 72: ... 68 15VL56B 20VL56B G SCART JACK 12 17 ...
Page 73: ... 69 15VL56B 20VL56B G KEY 13 17 ...
Page 74: ... 70 15VL56B 20VL56B G HEADPHONE 14 17 ...
Page 75: ... 71 15VL56B 20VL56B G LED IR 15 17 ...
Page 76: ... 72 20VL56B G SIDE 16 17 ...
Page 77: ... 73 15VL56B SIDE 17 17 ...