March 20th, 2020, 19:41
March 20th, 2020, 20:45
March 22nd, 2020, 17:52
March 22nd, 2020, 22:20
March 23rd, 2020, 10:50
March 23rd, 2020, 16:22
March 25th, 2020, 11:30
fzabkar wrote:It appears that someone has resoldered (?) the "ROM" at U12. Are you sure it hasn't been damaged?
If you have a multimeter, measure the voltages between ground and each of L1, L2 and D2 (above the SMOOTH chip). Use a screw hole as your ground reference.
Also check the TVS diodes.
TVS Diode FAQ:
http://www.hddoracle.com/viewtopic.php?f=100&t=86
March 28th, 2020, 9:09
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