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Joined: 9/19/2011(UTC)
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Does Placid HD-BP have four identical transistors or two pairs of identical?
I couldn't tune PSU and noted that on QN1 it's 1A19AA and then on QN2 it's 1A37AA but on other side they are in another order on QP1 it's 1A37AA and on QP2 it's 1A19AA.
Which pair I need to resolder?
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You want to look at the second line on the transistors. QN1/QN2 should be J5200 (short for FJPF5200) and QP1/QP2 should be J1943 (short for FJPF1943).
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Rank: Member
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Joined: 9/19/2011(UTC)
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Thank you!  It works now. :d/
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