phongsan
Newbie level 1
I own a Leader LBO-315 40MHz, that is not working and need a schematic to repair it.
I have the manual book, but not the circuit diagram, :-( :-(.
The switching power supply (84-240 VAC) area, for crt tube, I have saw the card T-3974B-P1, that R1 was burnt, Q1 ia C3503, just want to repair, what cause that resistor burnt, instead of only changing resister, which I have split measure out as 12K ohm.
If anyone has the schematic and could scan it or copy it it would highly appreciated.
thanks,
phongsan.mike@aol.com
I have the manual book, but not the circuit diagram, :-( :-(.
The switching power supply (84-240 VAC) area, for crt tube, I have saw the card T-3974B-P1, that R1 was burnt, Q1 ia C3503, just want to repair, what cause that resistor burnt, instead of only changing resister, which I have split measure out as 12K ohm.
If anyone has the schematic and could scan it or copy it it would highly appreciated.
thanks,
phongsan.mike@aol.com