Forum: Troubleshooting TVs and Video Sources
06-22-2022, 12:37 AM
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Replies: 1,269
Views: 419,339
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Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices
06-21-2022, 05:20 AM
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Replies: 5
Views: 185
Re: NEED DUMP FOR CANON LBP252dw
dump canon lbp 252dw 25c16
Quote from the forum: unfortunately this dump will not work on another same 252dw will fall into error E196-3001 (mismatch with eMMC Board)
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Forum: Troubleshooting TVs and Video Sources
06-20-2022, 05:34 AM
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Replies: 3
Views: 200
Re: PHILIPS 42PFL4606H/58 NO backlights
Checking the health of the PFC node is carried out by measuring the DC voltage on the capacitor of the mains rectifier. In operating mode, it should be about 380V, in standby mode, about 300V.
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Forum: Troubleshooting TVs and Video Sources
06-19-2022, 02:28 PM
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Replies: 23
Views: 269
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Forum: Troubleshooting TVs and Video Sources
06-19-2022, 12:59 PM
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Replies: 23
Views: 269
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Forum: Troubleshooting TVs and Video Sources
06-19-2022, 12:06 PM
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Replies: 23
Views: 269
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Forum: Troubleshooting TVs and Video Sources
06-19-2022, 11:51 AM
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Replies: 23
Views: 269
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Forum: Troubleshooting TVs and Video Sources
06-19-2022, 11:45 AM
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Replies: 23
Views: 269
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Forum: Troubleshooting TVs and Video Sources
06-19-2022, 11:19 AM
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Replies: 23
Views: 269
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Forum: Troubleshooting TVs and Video Sources
06-19-2022, 11:12 AM
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Replies: 23
Views: 269
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Forum: Troubleshooting TVs and Video Sources
06-19-2022, 10:56 AM
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Replies: 23
Views: 269
Re: Sanyo DP55441 - No brightness control
If you see microcircuits on the board 24Cxx, then this is Eeprom, if there are 25Xxx, then this is Spi flash, but the markings are not visible in the photo, rather these are DC / DC converters in the...
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Forum: Troubleshooting TVs and Video Sources
06-19-2022, 09:32 AM
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Replies: 23
Views: 269
Re: Sanyo DP55441 - No brightness control
If you have a programmer, then you need to unsolder this spi flash (from the photo of your motherboard, I no longer saw other Eeprom and spi flash). Read the contents in your memory and save the...
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Forum: Troubleshooting TVs and Video Sources
06-19-2022, 08:31 AM
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Replies: 23
Views: 269
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Forum: General Electronics Technical Discussion
06-17-2022, 06:21 PM
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Replies: 2
Views: 120
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Forum: Troubleshooting Computer Displays
06-17-2022, 11:23 AM
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Replies: 6
Views: 172
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Forum: Troubleshooting TVs and Video Sources
06-17-2022, 02:53 AM
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Replies: 9
Views: 351
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Forum: Troubleshooting TVs and Video Sources
06-14-2022, 12:30 PM
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Replies: 22
Views: 540
Re: LG 43UM6910PUA backlight on, but no picture
Check the resistance at these test points (CLK...) against ground (ground) on a non-working bar, they should not be low and short circuit.
If there is low resistance on any of these lines, then the...
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Forum: Troubleshooting Audio Equipment
06-13-2022, 11:14 AM
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Replies: 4
Views: 123
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Forum: Troubleshooting TVs and Video Sources
06-11-2022, 06:07 PM
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Replies: 10
Views: 186
Re: td system k32dlm7h firmware tv
I meant to write a dump to another (new or removed from some kind of donor) not exactly like your original, but from a different company.
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Forum: Troubleshooting TVs and Video Sources
06-11-2022, 04:31 PM
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Replies: 10
Views: 186
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Forum: Troubleshooting TVs and Video Sources
06-11-2022, 04:07 PM
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Replies: 10
Views: 186
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