24
2.2. Raster, but no picture
Check if the unit button
and remote control
operation?
Check if the all channels
have no 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
XB201 11# on the TV
board?
Check if output IF
signal of TUNER1
(pin 11) is normal?
Replace TUNER1
Check IF (NZ100)
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-50HU31
Page 1: ...PDP TELEVISION PH 50HU31...
Page 10: ...8 6 Select the document then the window will appear as shown below Select...
Page 18: ...16...
Page 20: ...18...
Page 21: ...19 Pin description 1 7 L R input 19 14 L R output 6 10 mute control input...
Page 22: ......
Page 28: ...main board...
Page 29: ...main board...
Page 30: ...main board...
Page 31: ...main board...
Page 32: ...analog board...
Page 33: ...key board...
Page 34: ...IR board...
Page 35: ...AV board...
Page 36: ...Power board A...
Page 37: ...Power board B...
Page 39: ...APPENDIX A EXPLODED VIEW PH50x31...
Page 41: ...9350HU3123 Ver 1 0...