|[CLD-99] Does not turn on
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|Author:||elara [ 30 Jul 2021, 01:33 ]|
|Post subject:||[CLD-99] Does not turn on|
Hello to all, please your help. I am only a hobbyist of electronics and I have basic knowledge. I pulled out the VWR1200-D power board from the equipment and I could see that the F1 fuse was blown and the Q1 transistor was shorted. I replaced the transistor with exactly the same one and the fuse (foolishly) with the only fuse I had, a 5 amp one and the equipment ran for 10 minutes and then failed again. Now the power board has the same Q1 transistor shorted but besides the filter coil at the input of the primary badly overheated.
I have the service manual but I cannot find the model of the L1 coil to replace it. (really I cant find any spec´s for the electronic elements in the manual for power board)
Any idea about the possible source of the problem?
Will there be a friend who can share with me the specs for the electronic elements of the VWR1200-D power card, SYPS Board in manual?
Please your valuable help.
Greetings to all.
|Author:||elara [ 31 Jul 2021, 01:23 ]|
|Post subject:||Re: [CLD-99] Does not turn on|
the coil has printed 4D-123 51M and Zener seems to indicate the 272 number.
Any idea what there are meanning?
Thanks in advanced.
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