Repair

LCD Backlight repair on a HP Pavillion N5350 laptop
My backlight just went out one day on my laptop. After browsing around, I found that it was most likely the inverter chip. I found a replacement one and put it in. The backlight worked great for about 1 day. During that time, I had taken the opportunity to fix a noisy CPU fan and clean out the dust from the hea... 15 May 2006 22:51

Harman Kardon receiver.
Model # AVR-35, turns on, & goes directly into shutdown. " PROTECT" shows up in the display. All outputs, & drivers check fine. Any common problems here with the protection circuit? Thanks, Dani. ... 11 May 2006 19:09

RCA Projo...dead.
I Got a call out of town on an RCA D52W15 ITC 222. Dead, power led flashes three times & won't start, customer says it sounds like it's trying to come on. Ideas? Thanks, Dani. ... 10 May 2006 22:18

RCA CTC203 blew up
Last night our RCA TV (25", F25441, chassis CTC203) was making loud popping noises every few minutes but was otherwise operating fine. I originally thought it was an extension cord so I unplugged all of it and replaced with a surge protector. Turn TV on, and it goes POP POP POP POP, with very bright visible flashe... 4 May 2006 12:36

Transformer information
Hi, I have a transformer with a primary winding blown, and can not find any info to get a replacement. The markings on the transformer are: 110V 230V 16V 25VA TPL60V003K TKP0228-394 Any ideas where I could get a replacement? Many thanks, Terry ... 3 May 2006 13:12

Sanyo DS25380 Vertical Problem
I have replaced the LA7841 vertical output ic and got the unit back up and going again, but the ic is getting too hot and vertical linearity is not good. The top part of the picture is fine, but the very bottom is a little compressed. Possibly yoke short? I did find some bad caps in vertical section and it did ... 3 May 2006 20:28

help on a dog?
RCA P61830BLLG1 chassis ptk195bt original doa. There is a 200 ohm ? 2 watt resistor? that develops the 130v B+ that was open. Replaced that and the diode for the B+ and the set ran 15 minutes shut down. Now it's dead but has two standby voltages and no obvious shorts. The 130v supply keeps burning up those res... 27 Apr 2006 04:06

Rowe MM1 Jukebox Schematics or advice
I have a Rowe MM1 Jukebox I'r repairing and while I get ample midrange volume the bass seem very weak I'm hoping that somebody can help me with a schematic or advise me on how the single woofer is connected to the stereo amp in this style amplifier ( Transistor with output transformers) . Alst there are about 1... 7 Apr 2006 01:43

CTC169 Woes...
First off, I'm new to this group, thanks for taking the time to read this. Now, this 35" RCA is driving me nuts and I'm questionning my ability here. The problem this set has is as follows. With any input, (rf, composite), the video is distorted, I mean, the image has what look like 60 cycle hum bars, not moving... 4 Apr 2006 11:54

Craftsman garage door opener schematic
Does someone have the schematic of the Craftsman Garage Door Opener model 139.5399011 (3/4 HP)? I am interested in the way the force is controlled. Thanks in advance. Jean-Marc ... 11 Apr 2006 11:04