24
Trouble shooting guide
Power on
A red indicator
lights?
Check power board, IR board, power manage
IC N601(P89LPC915) and power cord
A blue indicator
lights?
Check if CPU 42#, FLASH 26# is square
wave? Check the peripheral circuit of CPU
and FLSH/EEPROM.
No
No
Yes, turn the unit on
Panel is light
on?
No
Check the backlight board, CPU 72#
backlight control.
Yes
Yes
Check if the picture of each
channel is normal?
No
Check the signal inputted from the channel to
pin IC or IC and its peripheral circuit or the
output of LVDS is normal
Check if the sound of each
channel is normal?
No
Check if the signal inputted from the channel
to pin IC is normal or IC
(SGTV58xy/TPA3120) and its periphery is
normal.
Summary of Contents for LC-42HW36
Page 1: ...LCD TELEVISION LC 42 47HW36 ...
Page 14: ...12 Block diagram ...
Page 22: ...20 L6563 block diagram is below ...
Page 23: ...21 ...
Page 24: ...22 TEA1610T block diagram is below ...
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Page 49: ...APPENDIX Exploded view LC 42X36 ...
Page 51: ...APPENDIX B Exploded view LC 47X36 ...
Page 53: ...9242HW3614 Ver 1 0 ...