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Rodek r2180a and protect
Rodek r2180a and protect
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Old 24th December 2017, 08:44 PM   #21
mladenke is offline mladenke
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tip41c on positive and tip42c on negative channel. sorry, you min on that resistor. Its mps 160 tipe. on resistor r154. On resistor r255 i can read what is on transtor becouse its noting there. To mutch heat or something. And one like that on postive channel next to tip41c. :S
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File Type: jpg IMG_20171224_224919.jpg (804.5 KB, 16 views)

Last edited by mladenke; 24th December 2017 at 08:54 PM.
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Old 24th December 2017, 08:48 PM   #22
Perry Babin is offline Perry Babin  United States
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Q254 and Q152
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Old 24th December 2017, 08:58 PM   #23
mladenke is offline mladenke
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mps 160.
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Old 24th December 2017, 09:00 PM   #24
Perry Babin is offline Perry Babin  United States
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That doesn't seem right.
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Old 24th December 2017, 09:12 PM   #25
mladenke is offline mladenke
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r155-q151-r167-q158 trace +channel. With no r155 only strange sound from speaker, but no protection.
r256-q254-r268-q259 - channel. without r256 got protection.
r254-q264-r285-q258 - channel without r254 got protection
r156-q154-r185-q159 + chanel. without r154 no protection

Last edited by mladenke; 24th December 2017 at 09:15 PM.
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Old 24th December 2017, 09:14 PM   #26
Perry Babin is offline Perry Babin  United States
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Post a photo of the faces of the transistors listed in #22.
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Old 24th December 2017, 09:41 PM   #27
mladenke is offline mladenke
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here
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Old 24th December 2017, 09:50 PM   #28
Perry Babin is offline Perry Babin  United States
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MPSA56. The resistor that you need to pull is on leg 3.
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Old 24th December 2017, 10:06 PM   #29
mladenke is offline mladenke
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than definitly i pullout wrong resistor.
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Old 24th December 2017, 10:20 PM   #30
mladenke is offline mladenke
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so, i am cofused right now. leg 3 on mpsa56 will be on right side of picture. Do you whant me to pullout transistor between q254 and q259, or do you whant me to pullout r256 on the left side of mpsa56, Leg 3 will be on the right side. :S

Last edited by mladenke; 24th December 2017 at 10:36 PM.
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