24
2.3. No sound
(Use TV input as an example)
Check if PIN 3, 13
voltage of NV12 is
normal?
Check power supply
Check the waveform
of PIN 4, 12 of
NV12
Check N3 PIN 24
waveform.
Check TUN1 PIN 11
waveform.
Check TUN1 and its
periphery
Check NV12 and
its periphery
Check NS2 and its
periphery
Check N3 and its
periphery
no
yes
no
yes
yes
yes
no
no
Summary of Contents for LC-19HU56S
Page 1: ...LCD TELEVISION LC 19HU56S...
Page 11: ...9 6 Select the document then the window will appear as shown below Select...
Page 18: ...16 2 TDA7266SA The TDA7266SA is a dual bridge amplifier...
Page 20: ...18...
Page 27: ...Main Board Schematic diagrams Page 1 total 8 pages 25...
Page 28: ...Main Board Schematic diagrams Page 2 total 8 pages 26...
Page 29: ...Main Board Schematic diagrams Page 3 total 8 pages 27...
Page 30: ...Main Board Schematic diagrams Page 4 total 8 pages 28...
Page 31: ...Tuner Board Schematic diagrams Page 5 total 8 pages 29...
Page 32: ...IR Key Board Schematic diagrams Page 6 total 8 pages 30...
Page 33: ...Power Board Schematic diagrams Page 7 total 8 pages 31...
Page 34: ...Back light Board Schematic diagrams Page 8 total 8 pages 32...
Page 36: ...APPENDIX B Exploded view LC 19X56 34...
Page 38: ...9219HU5610 Ver 1 0...
