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Search: Posts Made By: lotas
Forum: Troubleshooting TVs and Video Sources Yesterday, 03:11 PM
Replies: 19
Views: 128
Posted By lotas
Re: LG TV 49LW5700 does not power no Standby Voltage(PSU EAX62865401)

You will not have power on the diode bridge until the relay turns on (transition to operating mode), now power is supplied through these diodes D501-D504 (standby mode).
Forum: Troubleshooting TVs and Video Sources Yesterday, 02:33 PM
Replies: 19
Views: 128
Posted By lotas
Forum: Troubleshooting TVs and Video Sources Yesterday, 01:49 PM
Replies: 19
Views: 128
Posted By lotas
Re: LG TV 49LW5700 does not power no Standby Voltage(PSU EAX62865401)

Power Supply LG LGP4247-11SLPB
EAX62865401/8 EAY62169801
Forum: Troubleshooting Computer Displays Yesterday, 11:21 AM
Replies: 17
Views: 352
Posted By lotas
Re: Acer G236HL, constant restart after energy star logo.

The closest one is 25x40 (4M-BIT), try it.
Look on aliexpress, there you will find yours as you need.
Forum: Troubleshooting Computer Displays Yesterday, 09:15 AM
Replies: 17
Views: 352
Posted By lotas
Re: Acer G236HL, constant restart after energy star logo.

Try W25P20, W25X20,... (x25x20), any brand on 2M-BIT.
Forum: Troubleshooting TVs and Video Sources Yesterday, 07:56 AM
Replies: 5
Views: 137
Posted By lotas
Re: Polaroid TV TQL48R4PR003 switch off after logo display

Only available with the same motherboard, but the panel is different (Polaroid TQL39R4PR001 CV9203H-A42 T390XVN01.0)
Forum: Troubleshooting Computer Displays Yesterday, 02:41 AM
Replies: 17
Views: 352
Posted By lotas
Re: Acer G236HL, constant restart after energy star logo.

This is the SPI Flash where the firmware resides. Replace with a new one, preprogramming it.
Forum: Troubleshooting TVs and Video Sources 05-27-2022, 01:42 PM
Replies: 1,243
Views: 403,132
Posted By lotas
Re: Eeprom dump thread!

Samsung LT22D390EW/EN Dump
Forum: Troubleshooting TVs and Video Sources 05-26-2022, 11:01 AM
Replies: 5
Views: 137
Posted By lotas
Forum: General Electronics Technical Discussion 05-25-2022, 04:03 PM
Replies: 4
Views: 113
Posted By lotas
Forum: Troubleshooting TVs and Video Sources 05-25-2022, 04:17 AM
Replies: 4
Views: 120
Posted By lotas
Re: Samsung UE55JU6050U Update

https://www.samsung.com/ie/support/model/UE55JU6050UXZG/#downloads
Forum: Troubleshooting Audio Equipment 05-24-2022, 10:54 AM
Replies: 9
Views: 241
Posted By lotas
Re: ZLX12P , Electro Voice monitor speaker schematic please

01A - 101 = 100 Om, and about which one you wrote that it was at 150 Om.
Forum: Troubleshooting Audio Equipment 05-24-2022, 08:37 AM
Replies: 9
Views: 241
Posted By lotas
Forum: Troubleshooting Audio Equipment 05-24-2022, 05:13 AM
Replies: 14
Views: 183
Posted By lotas
Re: Pioneer DDJ-SZ XLR right is distorting

Check the transistor switches (mute), if there is no oscilloscope, then try to transfer the input from the left channel to the right one, this will determine the problem in the output stage or in the...
Forum: Troubleshooting TVs and Video Sources 05-21-2022, 05:34 PM
Replies: 5
Views: 133
Posted By lotas
Forum: Troubleshooting TVs and Video Sources 05-21-2022, 01:07 PM
Replies: 114
Views: 10,594
Posted By lotas
Forum: Troubleshooting TVs and Video Sources 05-20-2022, 05:23 PM
Replies: 114
Views: 10,594
Posted By lotas
Re: Sharp LC-60SQ15U TV DPS-167CP - No power

Remove this supervisor IC7902, it sometimes brings problems with starting (the power supply works without it).
Forum: Troubleshooting TVs and Video Sources 05-19-2022, 12:03 PM
Replies: 5
Views: 161
Posted By lotas
Forum: Troubleshooting Computer Displays 05-19-2022, 10:43 AM
Replies: 17
Views: 352
Posted By lotas
Re: Acer G236HL, constant restart after energy star logo.

Well, if all the supply voltages are in order and without ripples, the buttons do not short, there are no short circuits anywhere, then what remains is either the firmware is damaged or the processor...
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 05-19-2022, 03:41 AM
Replies: 1
Views: 78
Posted By lotas
Re: need dump Canon LBP6020B

Canon i-sensys MF3010
Forum: Troubleshooting Power Supplies and Power Supply Design 05-19-2022, 02:34 AM
Replies: 4
Views: 107
Posted By lotas
Forum: Troubleshooting Power Supplies and Power Supply Design 05-19-2022, 01:58 AM
Replies: 4
Views: 107
Posted By lotas
Forum: Troubleshooting TVs and Video Sources 05-18-2022, 04:50 PM
Replies: 15
Views: 454
Posted By lotas
Re: LG 50PA4500 Plasma Troubleshooting

And how are you going to install such a transistor if it has a different case (TO-3P) and it is not insulated (metal)?
Forum: Troubleshooting TVs and Video Sources 05-18-2022, 02:32 PM
Replies: 29
Views: 400
Posted By lotas
Re: samsung tv ue43ru7400u dark screen problem help

Why only one, you have two cables connected 1 - main, 2 - led.
Forum: Troubleshooting TVs and Video Sources 05-18-2022, 09:18 AM
Replies: 10
Views: 322
Posted By lotas
Re: Restore tv ALL STAR ASSTV3220HDS

There is no SPI Flash, it has eMMC.
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