| Subject | Text |
| Alek (or anyone)
Not built in. What needs replacing?? Can anyone describe what to replace - if tran |
| Based on your description, the diode in question is perfectly fine. I have never heard of it being c |
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| My Heathkit AR-15 lapses in and out of distortion | Does anyone have any suggestions about where to look in investigating the reason why this 40 year ol |
| Sony KP53S25 | It was a neon lamp instead of a cap. I figured out it was going into protect mode, the fault was ma |
| AIWA NSX F9 | I too have this problem, and need the service manual.
I have found two shorted Qs a PNP and NPN in |
| Thanks!! :D
I already replaced the two resistors RP30 & RP31; RP32 is actually a big-fat 3w r |
| thats a transistor. if it were me I would look for where it came from.
look for a spot that has a |
| As far as SMD diodes, it is next to impossible to determine the exact part numbers without the docum |
| KR-A4030 intermittent sound both channels | Can someone help?
My KR-A4030 has an annoying intermittent loss of sound in both channels. It's not |
| Channel out on old Technics | Thanks RiffMaster, you were right! It's been quite awhile since I tried to trace circuits and then i |
| enclosed pictures | The 1st time the replacement transistor was fitted the insulating washer must not of been fitted cor |
| hk amplifier low level speaker output | I have a harman kardon avr 130 amp that has a very distorted and low left surround level speaker out |
| PARTS FOR SELL MORE THAN 1600 references | Transistors, mos, IC's, opto, high power modules, new and used worldwide shipping .send email adress |
| Hi!
First what comes to mind is that power supply had gone bad. And so it
can be 2 cases:
1)The |
| repairing an old sansui amplifier | hello every one ,
new member here and also newby in the electronic repair
i have an old sansui |
| Zenith ZB4683RK convergence problem | Hello, If you look at the pics at
http://webpages.charter.net/jenglish_tnx/
you will see what I s |
| In search of service manual Harman/Kardon AVR45 | want to do it myself, already know what transistors I need, need to know where they go once I get th |
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| DSP-AX620 AV | Hi,
There could be some problems with your output transistors. It is the overcurrent protection who |
| Unknow parts in Hyundai imagequest L90D+ | Hi
I need help for this monitor- Hyundai imagequest L90D+.
(type no:L19C0D072)
The inverter b |
| check your output transistors |
| Pioneer SA-508 | Hi!
I need some help with this amplifier from pioneer. Since I can´t find service manual or |
| [quote:543dba5244="jts1957"]
Since you've already jumpered the fuse on the 'invertor,' and it ran a |
| The excessive heat, probably from the output stages is likely due to excess current through the driv |
| If it is an inverter issue, you should still be able to see a dark image or better yet shine a flash |
| Thanks again Richard,
Thanks for both teaching me that the K indicates tolerance and to simply |
| re | Thank you, SteveW. :D
Unfortunately, it's still not that one. Mine has a control board with 2 x 8 |
| Schematic and/or service manual for Yamaha M-80 Amp | I have a project for college and it is to fix a Yamaha M-80 amp and I require a schematic unit is lo |
| Sony | Bad solder joints are a common problem with Sony TVs. Look for cracked joints around any heat produc |
| thanks i also found [url=http://www.ebay.com/itm/Pair-of-Complementary-2SC3181N-and-2SA1264N-AF-Powe |
| Sony RA-1 chassis KP-53S25 H.O.T. | So, with my trusty service manual and schematic, I have found out that both of my convergance I.C.s |