22
(4) with sound but no picture
(5) S-Video or AV no picture
With sound but no picture
Display OSD MENU?
Display LOGO?
Yes
Yes
No
If there is no picture
in all channels?
Check if the crystal in data processing board starts,
DDR clock and DDR SDRAM are normal?
Yes
No
Check N100 and
its peripheral circuit
Refer to (6), (7), (8), (9), (10),
(11), (12) checking procedure
Check if CB106 and CB49 input signals? (AV IN)
Check if LB7, LB8 input signals? (S-Video)
Yes
No
Yes
No
Check if pin20 of NB8
outputs signals?
Check N105/N106 and the circuit
from AV terminal to N104
Check N100, CB153 and
their periphery circuit
Check NB8 and its
periphery circuit
Check the power supply of N100
on the image processing board
Check the power supply of N100 (on digital
processing board) and DDR and their periphery.
Yes
No
Summary of Contents for PH-50HA31
Page 1: ...PDP TELEVISION PH 50HA31...
Page 14: ...12 IC block diagram 1 ZR39760...
Page 16: ...14...
Page 27: ...602 L37HA37 01 11...
Page 28: ...602 32HA37 01 602 32HA37 01 602 32HA37 01 602 L37HA37 01 11...
Page 29: ...602 L37HA37 01 11...
Page 30: ...602 L37HA37 01 11...
Page 31: ...602 L37HA37 01...
Page 32: ...602 L37HA37 01 11...
Page 33: ...602 L37HA37 01 11...
Page 34: ...602 L37HA37 01 11...
Page 35: ...602 L37HA37 01...
Page 36: ...602 L37HA37 01 11...
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Page 40: ...APPENDIX EXPLODED VIEW PH50X31...
Page 42: ...9350HA3110 Ver 1 0...