View previous topic :: View next topic |
Author |
Message |
bozzy2006 Guest
|
Posted: Sun Mar 11, 2007 9:55 pm Post subject: Philips 42" plasma - Chassis LC4.9E AA - need help |
|
|
Model: 42PF5320/10
Blows 4A fuse at powerup - no picture - audio ok.
I need servicemanual or schematics
thanks in advice.
Jesper |
|
Back to top |
|
|
SDS Guest
|
Posted: Thu Jul 05, 2007 5:04 pm Post subject: Any help? |
|
|
Sorry but i don't have shematics either.
I have the same model with the same fault, blows 4A fuse on the left plasma supply board.
Short circuit on the +195V, i tracked it down to the hybrid module IC15 under the biggest heatsink.
On this LG hybrid module (YPPD-J014A) that is hell to get off the board the 2 power transistors Q1 and Q4 are shorted, going by the look of the transistors chips and the diodes next to them i'd say they are both N-MOS, i'll try cutting their silver wires and connecting external isolated transistors attached to the original heatsink as the gate drive does not seem to have burnt out. |
|
Back to top |
|
|
crackjack Guest
|
Posted: Wed Jul 11, 2007 9:14 am Post subject: Re: Philips 42" plasma - Chassis LC4.9E AA - need help |
|
|
bozzy2006 wrote: | Model: 42PF5320/10
Blows 4A fuse at powerup - no picture - audio ok.
I need servicemanual or schematics
thanks in advice.
Jesper |
for this kind of problem. the only sure way to repair is to replace the whole module. |
|
Back to top |
|
|
crackjack Guest
|
Posted: Wed Jul 11, 2007 9:19 am Post subject: Re: Any help? |
|
|
SDS wrote: | Sorry but i don't have shematics either.
I have the same model with the same fault, blows 4A fuse on the left plasma supply board.
Short circuit on the +195V, i tracked it down to the hybrid module IC15 under the biggest heatsink.
On this LG hybrid module (YPPD-J014A) that is hell to get off the board the 2 power transistors Q1 and Q4 are shorted, going by the look of the transistors chips and the diodes next to them i'd say they are both N-MOS, i'll try cutting their silver wires and connecting external isolated transistors attached to the original heatsink as the gate drive does not seem to have burnt out. |
yup there is high failure rate on this board called the ysus board. you need to replace the whole board. never tried replacing the IC15. it's better to repair at board level. |
|
Back to top |
|
|
blacky Guest
|
Posted: Wed Dec 12, 2007 2:20 pm Post subject: Re: Any help? |
|
|
yup there is high failure rate on this board called the ysus board. you need to replace the whole board. never tried replacing the IC15. it's better to repair at board level.[/quote]
hi...got the same problem... where to get the whole board.. headache looking in singapore and malaysia.. anybody could help....? |
|
Back to top |
|
|
|
|
|
You can post new topics in this forum You can reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum
|
eServiceInfo on FB -
Service Manuals Free Download -
Service Diagrams
Free TV Schematics Download -
HARDW.net -
Pinout Master -
Jabse Service Manual Search -
Jabse.InK -
onTap.bg
SnimkiOt.com -
Poblizo.com : пътешествия
Latest Service Manuals :
22sk1464 2 • Panel SAMSUNG LTA550HQ16 0 [DS] . Variou • 071323500 (Oct 2014)(8020-RES-KIT) Keith • 1700xl Compaq-HP • BM369 TESLA • KX-TCD230 PANASONIC • PM-66 MARANTZ • panasonic tc-14z88rq ch gp3 sm panasonic • 34980-90059 34959A Breadboard Module - U • Panel HITACHI TX31D37VM0CAA 2 [DS] . Var •
|