| Subject | Text |
| Dead Dell 1025HE | I'm attempting to repair a Dell 1025HE 17" monitor (essentially a Nokia 447S) for a friend.
sympt |
| Hi
Don’t think about the colors (values) of the resistances, be sure.
The resistor 1 is 560 Ohms & |
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| IBM 6551-63N (SCC-L30DA SONY chassis) | Hi everyone...I have this problem with few monitors with same sony chassis...screen flickers horizon |
| need part number for Toshiba cx28519 | Greetings to all,
Could anyone can send me the part number for a transistor that goes into Q404
o |
| cpt101 | Q 330 is the muting transistor (KRC103) which goes faulty also change the jumper wire JW307 to a 47 |
| Sony KV-35v65 hv short | Many people distribute a parts kit for this model of television. It
includes a dual power supply t |
| Speakers and wiring are good. The distortion is there regardless of input - whether internal (tuner) |
| ak19 | [b:d7090ddf95][i:d7090ddf95] :D firstl check the 2,2 ohms fusible for oc,(ew circuit),check c630 for |
| I Need Circuit daigram of (LODESTAR DC Power Supply PS-305D) | I have a (LODESTAR DC Power Supply Model PS-305D) some electronic parts are missing especially power |
| @Larry | Larry, thanks for the remark. I will check the connections of the ON4409 (horizontal output driver) |
| Sony TV KV 32TS46 | Sony KV-32TS46 TV , Q601 , Q602 (2SC4834) replaced, Q591 (2SC4927) HOT replaced. Now only have sound |
| Zenith | The most likely cause is that the horizontal output transistor has shorted and blown the power fuse. |
| Sony | Since the TV clicks, it indicates that the standby power supply is OK. Unfortunately, one blink is |
| [quote:b7fd1e38c8="jts1957"]Try electrolytic in power source that feeds the coil of that relay (usua |
| repair it | A short circuit is the most probable cause t o this problem,
I have the same problem with my KA-V75 |
| Hello,
i found something: there is an irish site offering the Q330 transistor which is obviously re |
| I did't find a scheme of amp., but I checked parameters of the transistors. You can use IRFZ44 witho |
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| Transistors with 2N marking and so low numbers are really old (early-mid sixties), so in a ballast f |
| testing crt and line transformer | hi there,
to check the line transformer you need first to get his pinout and with an ohmeter check |
| Re: monitor trouble | [quote:75dcb63558="gogo"]I have a problem with my monitor - the red color turned black and the green |
| hitachi problems switching off | a message to all you people with these problems with your hitachi tvs take the back off you set chec |
| Hi Ed,
I had a similar situation with a '70's Pioneer amp using similar NEC transistors. Over her |
| KV-27HFR | AFTER AN ELECTRICAL STORM MY SONY KV-27HFR DIED. I GET 64 VOLT INSTEAD OF 135 VOLTS FROM THE POWER |
| aiwa cx-nwkt10hr | need for schematic diagram or service manual of aiwa audio system by
7-ch audio out and transistor |
| have you checked the hot transistor.i should also check diodes etc on secondary side of chopper tran |
| Check if you have 340Vdc across the big capacitor. It is just rectified ac. Maybe it will be more li |
| i have a problem on Samsung cw336kq | :oops: i have a problem on SAMSUNG CW336KQ
There is no osciation but there is 110v in H.out transi |
| Need help identifying components please. | I have a Creative Labs Inspire 6700 6.1 speaker system for my computer. I turned it on the other day |
| Philips 29PT6231 Dead with stdby light blinking | Initially, Philips 29PT6231 set completely dead. No picture, no stdby light, no sound except for tic |
| Based on your description, the diode in question is perfectly fine. I have never heard of it being c |