Question about RCA HDLP50W151 50" Rear Projection HDTV

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Hd50lpw175x7 I made sure to check to make sure they have same polarity up and same uf rating. I know I'm not very electrical sound but what do you mean by unsolder and solder? j

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The capacitors are solderd into the circuit board so you have to melt the solder with a solder Iron to remove the legs of the capacitors from the circuit. Then you have to install the new capacitors in the same pin holes and resolder the legs. Be sure that the negative side of the capacitor goes back in the correct hole like the old one was.

Posted on May 30, 2008

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Need instructions of 55"t.v model ws55513 d m board with capacitors

  • Try going To http;/ It Suppose Load up about Nine Pages of Stuff on how to fix the (DM Module Board) If you Can't Fine The 1000 uf 35 wvdc Operating temperature 105 C: Electrolytic capacitor Try The Radio Shack one It Rated At 40 To+ 85 C It Will Work If You Can 'Fine The Other one !05 Deg. C Type -----Check Out This One Too 78 Pages ( -Green-Light-Repair-Procedures.(Ps) It Want Hurt To check The Ones In the power supply area,other Area .Too You might Have Change them All If You Have All The 1000 uf Check If they Showing Under Less Then The are Rated at Then It Want Hurt To Them All

May 27, 2014 | Mitsubishi WS-55513 55" Rear Projection...

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Samsung HL-S6168W DLP is making a popping (cackling) sound and beeping noise. Audio on television goes up and down, sometimes the voice audio is loud and background is low and then vice versa. Sometimes...

I would check the speakers see if the anything is getting hot, take back cover off make sure you dont look at lamp. Tape down switch to lamp door and see whats making noise.

Jun 02, 2010 | Samsung HL-S6168WX DLP TV

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The audio on my Samsung HL-S6188W DLP TV is completely out--no sound from TV speakers in any input mode (ATSC built-in tuner, component-in, etc.). Furthermore, the optical-digital audio out does not...

Check your mute on /off status through your remote. If it is changing status & no sound,
It looks like sound circuit problem.Contact service center for assistance.

Apr 21, 2010 | Samsung HL-S6188W 61" HDTV

1 Answer

RCA HD56w66 turns on and off three times... replaced cap 114 120 and 150 turned on tv it turned on and off and then popped cap 120. What can i do?

Was cp120 installed with the correct polarity? Also was the microfarads the same as the original? Voltages can be higher but the Microfarad (uf) rating has to be exactly the same.

Oct 30, 2009 | RCA D52W19 52" Rear Projection Television

1 Answer


Ballast Verification Process
1. Short out door switch (SP001)
2. Apply AC power and wait till DM module boots
3. Press power switch and observe spark gap on ballast
4. If spark gap arcs, suspect Lamp. If color wheel starts but ballast won’t strike
lamp, go to next step.
5. Measure BP252 on AC IN CBA for +300Vdc. If missing check door switch, cable
from AC IN CBA to switch and AC IN PCB. If correct go to next step.
6. Monitor pin 2 of BT251 for Ballast ON command from Light Engine. If present
suspect Ballast. If missing suspect Light Engine. Pin 5 of BT251 starts at 3.3V
after power switch is pressed and drops to .18V when the Light Engine sends the
start command. No change on pin 5 indicates Light Engine is suspect, change
on pin 5 with no ballast start, ballast is suspect.

Note: Lamp may arc but not start. Pin 5 of BT251 is "LAMP LIT" and goes to 1.48V
when lamp is lit. If ballast strikes lamp but lamp won’t stay lit, suspect Lamp.

Jun 09, 2008 | RCA HDLP50W151 50" Rear Projection HDTV

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it should either be secured with screws or plastic clips that need to be pressed in to release the board

Jun 04, 2008 | RCA HDLP50W151 50" Rear Projection HDTV

1 Answer


You have to unsolder the old capacitors and then solder in the new capacitors. You have to make sure to observe the correct polarity and install the new ones the same way as the old ones one side is marked negative dont mix them up do one at a time and notice which side is marked negative on the old one and install the new one the same way. also make sure they have the same uf ratings as the old ones.

May 30, 2008 | RCA HDLP50W151 50" Rear Projection HDTV

1 Answer


The power supply is what provides all the standbye voltages that get routed to the various other boards. The capacitors have to be unsolderd and the replacements solderd in.

May 29, 2008 | RCA HDLP50W151 50" Rear Projection HDTV

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Mitsubishi rear projection tv won't turn on

know problem of bad caps.
replace DM

Picture of bad caps

The DM board is the one with the digital connectors on the back panel. If you already have it appart, you may as well check the caps on all of the boards. The caps that go bad are typically Jamicon brand caps in 1000 uF and 330 uF values. There are also a couple of 3300 uF caps in the PS that cause problems.

Jan 08, 2008 | Mitsubishi WS-55511 55" Rear Projection...

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