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Search: Posts Made By: petehall347
Forum: Troubleshooting TVs and Video Sources Today, 04:44 AM
Replies: 15
Views: 8,474
Posted By petehall347
Forum: General Electronics Technical Discussion Yesterday, 10:07 AM
Replies: 6
Views: 96
Posted By petehall347
Re: Can someone help me with this small circuit. Photo Attached

remove the bridge thats on it then remove component from old board and put in place on new board
Forum: General Electronics Technical Discussion 03-05-2021, 01:48 PM
Replies: 13
Views: 193
Posted By petehall347
Re: Mains isolating transformer advice please

yellow plugs and sockets are 110v . blue is 220v . same with external wire colours . plugs and sockets are keyed to try and stop you putting in wrong holes
Forum: Troubleshooting Audio Equipment 03-05-2021, 12:48 PM
Replies: 4
Views: 228
Posted By petehall347
Re: Repairing Alesis M1 MK2 Monitor Speakers

stereo can also be used for balanced which xlr generally is
Forum: Troubleshooting TVs and Video Sources 03-05-2021, 05:06 AM
Replies: 3
Views: 103
Posted By petehall347
Re: Telefunken Model: D32F289M4CWI has sound but no picture

https://www.youtube.com/watch?v=uPI1QBE0CxI
Forum: Troubleshooting Audio Equipment 03-04-2021, 11:59 AM
Replies: 4
Views: 530
Posted By petehall347
Forum: Troubleshooting TVs and Video Sources 03-02-2021, 07:11 AM
Replies: 2
Views: 66
Posted By petehall347
Re: how to reset lamp hours on acer x117h projector

Resetting the projector lamp timer
1 Open the MAIN MENU. Press ENTER.
2 Scroll down to the MANAGEMENT menu. Press ENTER.
3 Scroll down to the Lamp Hour reset option.
4 Press the right arrow.
The...
Forum: Troubleshooting Audio Equipment 03-02-2021, 05:04 AM
Replies: 1
Views: 513
Posted By petehall347
Re: onkyo essay c-55

power it up with 110v and measure with your meter
Forum: Troubleshooting Power Supplies and Power Supply Design 03-01-2021, 07:36 PM
Replies: 11
Views: 233
Posted By petehall347
Re: Moding a 120vAC smps to work with 220vAC

https://cdn.aws.toolstation.com/images/141020-UK/800/66768.jpg
we use these things .. or the 110v or 120v or 115v off a generator .
Forum: Troubleshooting Audio Equipment 02-28-2021, 02:05 PM
Replies: 9
Views: 365
Posted By petehall347
Re: Both right channels dead on dual deck JVC KD-W110 cassette player

most likely the record switch needs cleaning
Forum: Troubleshooting Audio Equipment 02-28-2021, 03:11 AM
Replies: 4
Views: 530
Posted By petehall347
Re: Display panel not working - Sony STR-DN1080

first pic far left bottom looks like cracked solder joints
Forum: General Computer & Tech Discussion 02-27-2021, 05:42 PM
Replies: 5
Views: 279
Posted By petehall347
Forum: Troubleshooting TVs and Video Sources 02-27-2021, 04:23 PM
Replies: 19
Views: 382
Posted By petehall347
Re: technica led 40 e271 not storing channels

send an email explaining what is the problem and model number ask for the files ..if tv not quite right after update ask them for a better file .. i had to try 3 times before it was right one . ...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 02-27-2021, 05:21 AM
Replies: 16
Views: 574
Posted By petehall347
Forum: Troubleshooting TVs and Video Sources 02-26-2021, 05:55 PM
Replies: 11
Views: 401
Posted By petehall347
Re: What would cause a TV to do this? (Old Sony)

was like that here .. not even worth repairing back then . but now lots want them for gaming .
Forum: Troubleshooting TVs and Video Sources 02-26-2021, 07:00 AM
Replies: 11
Views: 401
Posted By petehall347
Re: What would cause a TV to do this? (Old Sony)

have you checked recent prices of old crt tv.s and monitors ?
Forum: General Electronics Technical Discussion 02-25-2021, 08:52 AM
Replies: 16
Views: 380
Posted By petehall347
Re: Help substituting avalanche diode

this looks like it ...
https://elektrotanya.com/hitachi_ct2043b_chassis_g0xu_sm.pdf/download.html
Forum: General Electronics Technical Discussion 02-25-2021, 08:40 AM
Replies: 16
Views: 380
Posted By petehall347
Re: Help substituting avalanche diode

. cant make sense out of the board numbers yet .. maybe there are more numbers or a sticker
Forum: General Electronics Technical Discussion 02-24-2021, 07:56 PM
Replies: 8
Views: 202
Posted By petehall347
Re: How to read PCB symbol for 6 pin push-pull switch?

it would have been easier to just ignore the silk screen .
Forum: General Electronics Technical Discussion 02-24-2021, 05:34 PM
Replies: 8
Views: 202
Posted By petehall347
Re: How to read PCB symbol for 6 pin push-pull switch?

worst that might happen is the switch will operate backwards
Forum: General Electronics Technical Discussion 02-24-2021, 04:53 PM
Replies: 8
Views: 202
Posted By petehall347
Re: How to read PCB symbol for 6 pin push-pull switch?

normally closed will go to where its marked as switch closed on the pcb
Forum: General Electronics Technical Discussion 02-24-2021, 04:50 PM
Replies: 8
Views: 202
Posted By petehall347
Re: How to read PCB symbol for 6 pin push-pull switch?

test switch with your meter .or look at its diagram
Forum: Troubleshooting Power Supplies and Power Supply Design 02-22-2021, 07:12 PM
Replies: 10
Views: 351
Posted By petehall347
Re: Modding Two PSUs to Output 12V

you could add a 12v regulator after the 36 or 48v outputs .
the design of the circuit would depend on how much current you actually need
Forum: Troubleshooting Game Consoles & Other Weird Devices 02-21-2021, 05:45 AM
Replies: 10
Views: 1,115
Posted By petehall347
Re: Muskoka MH25BL-1 Electric Fireplace no power

http://kiloohm.info/smd3-resistor/395#:~:text=The%203%20digit%20SMD%20resistor,three%20point%20nine%20Megaohms%20resistance.
Forum: Troubleshooting Game Consoles & Other Weird Devices 02-20-2021, 08:08 PM
Replies: 10
Views: 1,115
Posted By petehall347
Re: Muskoka MH25BL-1 Electric Fireplace no power

39 then 5 zeros ..3900000 ohms ...three point nine Megaohms
Showing results 1 to 25 of 500

 
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