Forum: Troubleshooting Audio Equipment
Today, 10:42 AM
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Replies: 10
Views: 754
Re: Mission MS8 Subwoofer
Here is a picture of a working unit, The cap is a 330nf 100v axial ceramic.
Kemet# C420C334K1R5TA or equivilant should work.
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Forum: Troubleshooting TVs and Video Sources
Yesterday, 05:13 PM
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Replies: 6
Views: 160
Re: Vizio E701i A3E no power
Check the power supply solder connections on the transformers, especially the pins with the rivets. If the connections are ok, it could be that an led in the panel went bad.
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Forum: General Computer & Tech Discussion
Yesterday, 03:04 PM
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Replies: 7
Views: 99
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Forum: Troubleshooting TVs and Video Sources
03-03-2021, 07:55 PM
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Replies: 1
Views: 44
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Forum: Troubleshooting Game Consoles & Other Weird Devices
03-03-2021, 09:28 AM
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Replies: 28
Views: 1,996
Re: Hitachi Refrigerator R-Z270AUN7KV not cold.
I don't know what the timer motor resistance will be, but it is likely fairly high, If it reads anything but open it is likely ok. You can replace it with a different duty cycle, it's not that...
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Forum: Troubleshooting Power Supplies and Power Supply Design
03-02-2021, 09:48 PM
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Replies: 12
Views: 370
Re: Delta DPS-200PB-185A Schematic
I was looking at your Scan0167, and I see you have the T351 transformer coil across the Drain and source of Q351, are you sure this is correct or could Q351 be shorted D~S? If the fet is shorted,...
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Forum: Troubleshooting Game Consoles & Other Weird Devices
03-02-2021, 06:34 PM
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Replies: 28
Views: 1,996
Re: Hitachi Refrigerator R-Z270AUN7KV not cold.
I believe the defrost timer in my fridge works like this, for every 6 hours of "compressor run time" the timer will then defrost for 25min.
The TMDFX05CD1 = for every 12H of run time it defrosts for...
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Forum: Troubleshooting Game Consoles & Other Weird Devices
03-02-2021, 10:48 AM
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Replies: 28
Views: 1,996
Re: Hitachi Refrigerator R-Z270AUN7KV not cold.
I don't know which one it is but if you look at the schematic, there are two, a thermal fuse and a defrost thermo (thermostat) , You said that when you turned the defrost timer so it would defrost...
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Forum: Troubleshooting TVs and Video Sources
03-01-2021, 12:21 PM
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Replies: 6
Views: 154
Re: LG 50ps60 Plasma Grainy/Fuzzy Horizontal
I would try re-seating the flex cables between the panel and the buffer boards, I would inspect them for damage incase the last person was not careful with them. That might clear up some of the...
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Forum: Troubleshooting Game Consoles & Other Weird Devices
03-01-2021, 11:02 AM
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Replies: 28
Views: 1,996
Re: Hitachi Refrigerator R-Z270AUN7KV not cold.
The schematic of this fridge is in post#11, You can see that the thermostat switches the a/c on and off to everything but the fridge lamp. The defrost timer only runs when the thermostat is closed,...
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Forum: Troubleshooting TVs and Video Sources
02-28-2021, 07:25 PM
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Replies: 13
Views: 346
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Forum: Troubleshooting TVs and Video Sources
02-28-2021, 07:03 PM
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Replies: 13
Views: 346
Re: Samsung LE37B530P7W 37" dead power supply
This snubber cap (CM806) is a common failure on these samsung boards, other models have the same problem, the cap shorts and the fuse opens. Sometimes the ic's output fet also shorts after the cap...
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