Repair

2N60B substitute?
Any numbers i can substitute for this? From a compaq pc power supply and this supply is very expensive, so it's worth to try fixing. After fixing i test in an old PII so if it blows, i don't take the good machine down. Bart Bervoets ... 6 Jul 2006 16:33

Grundig TV MFW70-2410/7
When switched on: sound and picture appears. E/W amplitude is too small, Focus is not correct, HOT T504 (2SC5331) runs very hot, R536 (6.8R 1W) runs very hot. The TVset switches to SBY (protection mode) after aprox 6 seconds. When reapplying power the same event happens. Running the set on a ballast lamp with ... 27 Jun 2006 13:48

HP 54110D
Hi, I need schematics to repair a problem with no Blue Video stream to the CRT. Anyone have a set they can copy or email ? Regards, Dana. ... 21 Jun 2006 08:32

Need transistor sub
Hello, I'm fixing up an old HP 334A distortion analyzer and I'm looking for subs for a couple of its transistors. I have HP part numbers 1853-0010 and 1854-0019. Mfgr (Motorola) PN is SM4713 for the first, unknown for the second. Both have the Motorola logo along with markings, 3-010 7224 for the first and 5... 19 Jun 2006 07:57

Toshiba 329P8M Vertical Linearity Problem (Help!?)
There is no year indicated on this TV anywhere. It is a nice 32" with Surround Sound. The vertical linearity has become so poor now that it is no longer watchable, but otherwise the TV is great. There is a black band at the bottom of the screen and the bottom half of the picture is all squished. I read th... 17 Jun 2006 10:06

RCA 27" part value.
Model # F27650TX2 chassis # ATC113BB1 dead location # TP524 Part # 215496 surface mount transistor is burnt, I can't read it, & it's on back order. Is there a part I can use from a CTC 203 chassis? Thanks, Dani. ... 9 Jun 2006 10:59

36" RCA T.V.
T.V. works fine, but has minor noise in pix. It takes time for it to show up, but gets no worse, & comes & goes. You have to look close to see it! Looks like noise in the horizontal, throughout the whole pix, the words on info channels quiver, ever so slightly. I can't see it on my scope. It's an ATC113CA1. Any... 29 May 2006 22:44

RCA ITC222 convergence power supply question
Hi. Got an RCA D52W20B here. First off, to get it to run at all, I had to replace flyback, as it was shorted out internally. That made the tv run. However, the convergence power supply is not putting out. It has like 310 volts DC going into it, but nothing coming out, whether connected up or not. I replaced TP630 p... 15 May 2006 23:22

pnp/npn transistors
A high school teacher tells the class that pnp stands for positive, negative, positive and that npn stands for negative, positive,negative. Is he right? ... 16 May 2006 05:39

no powerup TopVision PT1503N monitor TFT
>I have recently been given a TopVision PT1503N monitor TFT that is in non-working condition. It appears to have a power supply problem that I can't get sorted out. The unit is completely dead. No power - no indication of power. The DC 12V is on the powerline inside, but it won't startup when the powe... 11 May 2006 18:38