DB audio power trans always busted
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arkin
Electro
zandertech
Lenaren
8 posters
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DB audio power trans always busted
Mga master help po... may ni-rerepair akong amplifier sabog ang isang pares na tranny... 2SA1943 at 2SC5200.... ang problem po pag pinalitan ko OK sya .... normal ang init ng heat sink... may konting lagatik ung sound output nya... akala ko normal lang... pero kinaumagahan nung paandarin ko ulit.... ayaw ng gumana... sobrang init ng heat sink nya... hanggang sa sumabog ung 1 pares na tranny at 2 fuse...
san po kaya master ang problem nito? Bagong palit po lahat ng mga resistor kasi kinalawang na ang mga paa... Ung problem nito dati master ayaw mag-on ung relay... nung pinalitan ko ung mga resistor naging OK kaso ito ung naging problem...
Salamat!
san po kaya master ang problem nito? Bagong palit po lahat ng mga resistor kasi kinalawang na ang mga paa... Ung problem nito dati master ayaw mag-on ung relay... nung pinalitan ko ung mga resistor naging OK kaso ito ung naging problem...
Salamat!
Lenaren- C Battery
- Posts : 294
Join date : 2012-02-26
Location : Iloilo
Re: DB audio power trans always busted
boss check mo ung mga driver transistors tsaka ung bias transistor kung meron man nakahilera un sa mga output transistor kadalasan nakadikit din sa heatsink tag isa bawat channel,.and may naexperience pla ko nyan ung ilalim ng leads ng driver tansistors may leak at corrosion kaya sya lumalagatik,.check mo rin
zandertech- D Battery
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Electro- 24V BATTERY
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Re: DB audio power trans always busted
cguro leak na bias transistor nyan,replace lng muna tapos check mo f equal ba or exact lng yong bias voltage nyan.mkikita mo ang bias trans sa heat sink mismo ng power trans.prang c828 package nyan.DB amp yan,cguro s9014 value nyan.
arkin- D Battery
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Mcdo Scout- AAA Battery
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Re: DB audio power trans always busted
agreed... kong sobrang init ng mga tranny at hinaan lng dahil tumutunog nmn ang speaker hanggang na busted ang power tranny. ay sa bias nga yan... e set mo muna sis...
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ultrasonic™- 24V BATTERY
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Re: DB audio power trans always busted
my dc offset yan...try e chik yong sa kabilang chanel sis para may idea po ka U...yong bias at sata driver...palitan mo nalang yan sis para ewas kabog..
DJFEL- 24V BATTERY
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Re: DB audio power trans always busted
kng my dc offset amp mo,d tatagal ng isang minuto speaker mo.matutusta ito:D mas malaki ang tsansa na mataas bias ng amp mo.
arkin- D Battery
- Posts : 446
Join date : 2011-12-02
Re: DB audio power trans always busted
Update lng... ok na po pla ito....
mga salarin...
leak na 2SA1943 (2 pcs), A940, C2383, at A1913....
tanong lng po... alin po dito ang driver trans?
Thanks! 1 + po kyong lahat
mga salarin...
leak na 2SA1943 (2 pcs), A940, C2383, at A1913....
tanong lng po... alin po dito ang driver trans?
Thanks! 1 + po kyong lahat
Lenaren- C Battery
- Posts : 294
Join date : 2012-02-26
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Re: DB audio power trans always busted
grabe shotgun method ata yan jajajjajaja... pero ok na rin atleast na solve sis ^_^
kng power driver - ung a1943 at c5200
kng vas driver maybe ung c2883 at a1913 ata ung kasi ang binulong ni sir danny sakin ^_^
kng power driver - ung a1943 at c5200
kng vas driver maybe ung c2883 at a1913 ata ung kasi ang binulong ni sir danny sakin ^_^
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former 2nd member
im always walking on the rain so that no one could see me crying
ultrasonic™- 24V BATTERY
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Re: DB audio power trans always busted
sis ultra
350W @8 ohms in the making
matatagalan pero ok lang hehehe
350W @8 ohms in the making
matatagalan pero ok lang hehehe
Re: DB audio power trans always busted
ok lng sir.. sulit din nmn ang pghihintay kng mapa publish na sa public ^_^
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6th member of STTM
former 2nd member
im always walking on the rain so that no one could see me crying
ultrasonic™- 24V BATTERY
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Age : 38
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