![Toshiba 15VL56B Service Manual Download Page 38](http://html.mh-extra.com/html/toshiba/15vl56b/15vl56b_service-manual_427930038.webp)
- 38 -
No Sound
(ALL MODE)
No Sound
(Only VIDEO 1 or PC mode)
Check the speaker wire
Change source
input
Check short circuits
of Main B/D
Chang IC 702
Re-soldering or
Change IC200
Re-soldering or
Change IC600
Change
speaker
Check the Input
source
Check the R750 Level
Video1 : High
PC : Low
Fail
Check the Input/Output
of IC200 of Main
Check Input / Ouput
& 12V Of IC 702
Check the input/output
of IC600 of Main
Pass
Pass
Pass
Pass
Pass
Pass
Fail
Fail
Fail
Fail
Fail
Check the speaker
Ref.6
Sound Input :
IC600 (Audio AMP), #3, 5
Ref.6
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 ...