15
2. Raster, but no picture
Check if the unit button
and remote control
operation?
Check if the all
channels have signal?
Replace
main board
Enter factory-menu,
initialization EEPROM,
then turn off the TV,
turn on again, display
picture?
Adjust main board
again
Which is no signal
of channels
Replace
main board
Check if 1VPP signal
and noise wave of
X405(PIN 8) in the
TV board?
Check if output
IF signal of
TUNER1(pin
11) is normal?
Replace TUNER1
Check N404 and
its periphery
no
yes
yes
HDMI/VGA/YPRPB
TV
yes
no
no
no
yes
Does display OSD
menu in screen when
press menu button?
yes
no
yes
no
Summary of Contents for PH-50HU31S
Page 1: ...PDP TELEVISION PH 50HU31S...
Page 12: ...10...
Page 14: ...12...
Page 15: ...IF adjust Wiring diagram 13...
Page 19: ...page 1 of 4...
Page 20: ...page 2 of 4...
Page 21: ...page 3of 4...
Page 22: ...page 4 of 4...
Page 23: ...interface connector...
Page 24: ...KEY board...
Page 25: ...IR receiver board...
Page 26: ...TV board...
Page 27: ......
Page 28: ......
Page 30: ...APPENDIX EXPLODED VIEW PH50X31...
Page 32: ...9350HU3111 Ver 1 0...