Date | Header | Text |
20-10-2008 | D52W20 turns on and off | I have a D52W20 that stopped working. I was in the service menu (not the main menu) just looking (no changes made yet ) and the tv just shut off. I tried turning it back on and all I got was a high pitched squeal and the power light comes on for 2 sec, go |
21-10-2008 | | The high pitch squeal is usually a shorted horizontal output transistor. It's on the heat sink by the flyback. Also check the caps for mushroomed tops in the power supply. You have to read the HOT out of circuit. |
21-10-2008 | | Thanks for the quick response.
No mushroomed tops on the power supply board.
I will check the transistor. Were would I find the replacement part number? |
21-10-2008 | Horizontal lines | I have a Zenith projection TV PVY5265DT. I have good sound. The screen displays stationary horizontal lines. The top and bottom of the screen are concave. I changed R5102 on all three CRT boards. I'm open for suggestions. Thanks. |
21-10-2008 | | Well, Acer doesn't have a big assortment of 22 inch monitors, it shouldn't be too difficult for you to figure out which one you have.
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21-10-2008 | | Looks like another OS Commerce knock-off
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21-10-2008 | Datasheet for Sony Vaio laptop power supply PCGA-AC19V3 | I have this mentioned power supply, which, it seems, was damaged from the "lightning".
Since I want to fix it, I'm looking for a plan of it. So I kindly asking anyone to help me. At least I asking to know where can I find this plan.
Thanks i |
21-10-2008 | | Convergence IC's. Post a picture. |
21-10-2008 | | 2SDXXXX. Post the numbers listed on the transistor. |
21-10-2008 | | [quote:2be1234afc="airhead_1"]Good morning - The problems on all of the P30/P35's that I have fixed were due to poor soldering. Behind the LCD connection on the motherboard, pins 14 and 15 had bad connections. I hit them with a fine point soldering iron |
21-10-2008 | mINOLTA ep1054 | Hi , I got one of these photocopiers for my daughters school from a friend.She said it was working fine but its just not coping.There are no lights coming on and its functioning ok from a mecanically view point but nothing coming out on the paper.Does an |
21-10-2008 | eltax ICE CR-440 | HELLO,I LOOK FOR SCHEMATIC DIAGRAM FOR CAR AUDIO ELTAX ICE CR-440. MAYBYE CAN SOMEBODY HELP ME!THE AMPLIFIER IS DAMAGE AND I CANT SEE NUMBER OF THIS INTEGRATED CIRCUIT.i
I ONLY NOW IT IS 4x40W.Thank You! :cry: |
21-10-2008 | | [quote:97a86a0d2c="minnie"]Does it happen with more than just one CD?[/quote:97a86a0d2c]
yes somtimes it happens faster with the same cd sometimes the sl-p playes the cd normal, it happens with alot of my cd's. the cd's ar clean and don't have a a co |
21-10-2008 | | Clean the 'eye' with a q-tip and isopropyl alcohol. |
21-10-2008 | | This Parts & Service manual can now be purchased for $11.77 and downloaded immediately after payment from http://www.justmanuals.com
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21-10-2008 | hyundai hlt-3711 dead? | ive got this hyundai that does nothing at switch on ,no led's.when i have checked the psu (without main board connected)i get all the correct voltages.when connected to main board the only voltage present is 5v standby.one of the pins from psu to mainboar |
21-10-2008 | Hitachi TV 50EX10B | Picture is having lot of Horizental lines
sometimes pictures comes fine but then again horizental lines cover the whole screen and the picture is very fade
Could I solve this problem myself
I am quite a handy man[/code] 1928 |
21-10-2008 | Re: Hitachi vertical wavy lines | [quote="Anonymous"]Hi,
check the voltage to this vertical ic, change the rectifire(high freequency) and smoothig capacior from the lot, check the deflection coil have any short
I have a Hitachi monitor PC-DC1552. I have a problem when I t |
21-10-2008 | | I would start by replacing the electrolytic capacitors in the power supply. |
21-10-2008 | Toshiba Satellite A65 Problem | I have a problem with my Toshiba satellite A65-S1062 laptop. When I plugin the wall ac adapter the light comes on as it should. But when I power it on the lights go off, and nothing happens after that. |
22-10-2008 | LG DA3620 CD/DVD RECEIVER | Good Morning Gentlemen
can somebody help me? I'm looking for the schematics of the LG CD/DVD Receiver DA3620.
In partucilar, the switching power supply diagram.
Thanks in advance, Serfle |
22-10-2008 | i need manuals denon | hi.
I am in BG .my english is not very weel
I need a manuals for my sistems:
amp - denon pma500v 2x90w 6om / 2x70w 8om
tuner - denon tu450
cd - denon dcd820
deck - denon dr-m22
try to find a way of free dowlnload this user manuals.
I buy my sist |