Repair

NEC MT1040 Calibration software
This is a shot in the dark but just thought I would ask. Ive got a NEC MT1040 projector that needs to be calibrated. I understand that special software is needed to do this. I also understand that its proprietary software from NEC. My problem is that my colors are off. I think its called convergence. The pro... 10 Dec 2006 00:45

Packard Bell Tft Monitor FT500 Problem
in english: also I have the same problem, black screen and the key power that it is ignited and is extinguished. it could be the local power supply? in italian: anche io ho lo stesso problema ,schermo nero ed il tasto power che si accende e si spegne. potrebbe essere l' alimentatore? stuart2z9sl ha scritto: ... 9 Dec 2006 05:07

RCA TV F25216BC, ch CTC185AB3, Won't Turn On
Hi, I have in my service shop an RCA TV model F25216BC chassis CTC185AB3 (mfg. 03/99) that won't turn on. I have a partial schematic from a service magazine. I checked many parts and found +7.6V "standby" missing (0V) at pin 20 of U1001. However there is +12V present at emitter of Q4115 and it's base,... 4 Dec 2006 12:39

Treadmill, Proform J8Li (Model # 831.297990)
John: I repaired a motor controller board for a Sears treadmil a few months ago. I don't think it was the same model. My board had about 5 SCRs on a heat sink that wrapped around the board. Two of the SCRs were bad; replaced them and that fixed the problem. Some of the SCRs were used as diodes to convert the i... 30 Nov 2006 16:26

Repairing a Sony Tape Deck
Hi Everyone, I have a dual deck Sony tape player. I put a tape in the other night and it wouldnt play. When I tried to eject the tape, it felt like there was resistance on the eject button. I opened it up and looked at it. The ejector itself is somewhat stuck but can be pushed very hard on the inside to eject ... 5 Dec 2006 19:48

Panasonic PC-33XF20A
Just got this TV and it worked for 2 days, on the 3rd day I turned it on and the screen went black. Turned it off and on again and it did the same thing. This happend 3 times and now it has no picture at all. Can someone give me some ideas? Thanks.... -- Ratchetman ... 28 Nov 2006 19:23

Trying to identify part -- Teac AG-V3020
Hello everyone, I've got an old Teac AG-V3020 receiver that I'm attempting to repair. If you happen to have a parts list and can identify R602, or have a circuit diagram to confirm that R602 is on the back left of the board with the AC power in, I would sincerely appreciate it. A resistor on the main power input... 27 Nov 2006 03:17

Need help finding LCD PCD Manufacturer
I have a KDS Rad-9g LCD and I think the analog to digital board is pooched (inverter tested fine so its the only board left :)) Anyways, not having any luck finding who makes the board. Information on board is as follows top center: BTI. DS-1 94V-0 200-100-8XXX-E ... 19 Nov 2006 17:25

LCD monitor inverter alternatives
The old CCFL inverter board is too FUBAR to repair. So I decided to use a couple of cheap 12V dual ccfl inverters (like the kind used for pc-mods, ect) to power the four backlights. The power supply board inside the monitor provided the 12v for them to work and everything works great except...THEY NEVER SWITCH O... 20 Nov 2006 21:21

Nokia TV MP255A2 Hotel Mode??
I have just been given a Nokia tv model number mp255a2 complete with remote control. My problem is that, despite my best efforts, I cannot bring up the on screen menu which would allow to install the channels etc. A bit of searching around ( and the fact I got this through a friend who was given it from the hotel h... 18 Nov 2006 08:44