|24-01-2009||smd transistor||Hi. I have a SMD transistor who has the number 3BXC3.Anyone knows what that is? It,s a SOT457 or TSOP6 package. Pleeeease help. :)|
|24-01-2009||Aiwa C201||I have an aiwa c201 Tv.When i poeron the TV it is giving high oscillation sound.Checked the H-Out and LOt found good,checked the yoke and found good.The powersupply is using STR 58041A STR.Then i checked the 115v from the power supply and it is not commin|
I have an AVR300RDS receiver. When I connected the receiver to power and press the power button it stays in standby mode and appears the message " **PROTECT" on the panel display.
What the possible reason for this problem and how can|
friend has this tv and the proble he is having is
the tv shuts off after few minutes, we can ussually turn it back on by unplugging from the outlet and plugging it back in, but again it will shut off.
sounds like a bad cap heating up or some ba|
|24-01-2009||[quote:2dede8ff98="jts1957"]Don't know if you've read:[/quote:2dede8ff98]
Yes, I seen that a few days ago.
This unit definitely has a problem that extends down to the
|24-01-2009||Next to impossible to decode the SMD markings on the device. There are way too many variations/packages. While there are some[url=http://www.tkb-4u.com/code/smdcode/indexsmdcode.php] databases[/url], it is by no means complete.
You'd have a better chanc|
|24-01-2009||Check for D817(R2M) and Q602(2SQ1555) are they short? if short release them, then turn on the TV and measure 115V, is it correct? if correct you can replace R2M and 2SQ1555 with new one.|
|24-01-2009||[quote:0eb07211d8="vtech"]Been a while & strictly working from memory;
I use to see this on a daily basis and am rather familiar with the problem. Yes, there were bulletins. Unfortunately I no longer have access to them but I can give you the follo|
|24-01-2009||What you are describing is identical to the issue which only affected the DVD operation cycle but I can not tell you for sure if there has been any change since 2007.
If it did not have the mod, I had a 98 percent success rate in fixing the lockup issu|
|24-01-2009||Well, I decided to purchase the service manual and man am I glad I did. There was so much more that I didn't realize I was missing and it didn't feel like I was blindly poking around in there.
I found the little blue button finally. It was tiny! I doub|
|24-01-2009||Yippee Iv'e found the fault!||After I don't know how many hours of cursing and head scratching I have fixed my oscilloscope. It was the bridge rectifier for the +12 volt supply. All the other supply lines use the +12 volt line as a reference so if that goes faulty then all hell breaks|
|24-01-2009||The two most common reasons: Speaker terminals shorted together or Shorted output transistor(s).|
|24-01-2009||JVC DV camcorder (gr-d728ek)||my JVC DV camcorder (gr-d728ek) tape deck wont open. the screen displays unit in safeguard mode
what does this mean? and how can i fix it?|
|25-01-2009||Philips Radio Manual||Does anyone know where I can download a copy of the manual for a Radiosat 6000?
Just fitted it and got it working,but cant figure out all the buttons!!
|25-01-2009||Pioneer SX-434 Service Manual||Hi,
I am looking for the Pioneer SX-434 Service Manual.
Thank you in advance
|25-01-2009||Service manual for Sansui A-H3 urgend need in Germany||Hi,
need the service manual for Sansui A-H3 Amplifier, Thanks in advance.
Please info to my e-mail: [email protected]|
|25-01-2009||Re: Service manual||Partial (boards) HERE:
|25-01-2009||I am still hesistant to replace IC805 . I input a external dc voltage 13.5 to pin1 of the regulator, output reads 12.1volt.IC806 input is being IC805
output,IC806 pin 2 reads 8.9volt, IC807 pin 2 reads 4.99volt. My power supply current meter reads 1.2a|
|25-01-2009||Hitachi tv Model CMT 2998||Will anyone provide me the schematic diagram.
It has power supply problem, 2SB1548A keeps overheating,it loosen
|25-01-2009||Re: Panasonic TC-29V50R||Presuming 15 volts is present at L822 ONLY when one side is of L822 is lifted (& drops to 8.46 volts when L822 is connected) ... I see ONLY three paths/possibilities looking at the schematic:
(There has to be a defect with at least one of the followi|
|25-01-2009||Re: Hitachi power supply schematic||Translating from Russian ... sounds like may be what you need.