HELP Hifonics Brutus BRZ1700D.1

[Gentech]

good day sir/mam
help with my power amp always protect removed driver board normal green lights when i come back protect again i change output as well as protect again
there are buyable protect driver boards do the driver board have parts what is the value of the parts



thanks in advance

 

[caraudioguy2100]

There are 2 transistors on the driver board that fail .

Take a pic of the driverboard and post it on here and I will tell you what 2 transistors you need to replace and give you the part numbers

 

[Gentech]

Collector - Base Voltage
VCBO
300
V
Collector - Emitter Voltage
VCEO
300
Emitter - Base Voltage
VEBO
5
Collector Current - Continuous
IC
500
mA
Collector Power Dissipation
PC
350
mW
Thermal Resistance Junction to Ambient
RθJA
357
°C/W
Junction Temperature
TJ
150
°C
Storage Temperature Range
Tstg
-55 to 150
■ Electrical Characteristics Ta = 25°C
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Collector-base breakdown voltage
VCBO
Ic= 100 μA， IE= 0
300
V
Collector- emitter breakdown voltage
VCEO
Ic= 1 mA， IB= 0
300
Emitter - base breakdown voltage
VEBO
IE= 100 uA， IC= 0
5
Collector-base cut-off current
ICBO
VCB=200V, IE=0
0.1
uA
Emitter cut-off current
IEBO
VEB= 5V , IC=0
0.1
Collector-emitter saturation voltage
VCE(sat)
IC= 20 mA, IB= 2mA
0.2
V
Base - emitter saturation voltage
VBE(sat)
IC= 20mA, IB= 2mA
0.9
DC current gain
hfe(1)
VCE= 10V, IC= 1mA
60
hfe(2)
VCE= 10V, IC= 10mA
100
300
hfe(3)
VCE= 10V, IC= 30mA
60
Transition frequency
fT
VCE= 20V, IC= 10mA, f=30MHz
50
MHz
■ Classification of hfe(2)
Type
MMBTA42 MMBTA42-L
Range
100-300 100-200
Marking
1D

 

[Gentech]

Thanks sir waiting to order 1D transistors

 

[Gentech]

Hello anyone have protect board driver 81013 V.1 schematic

 

[caraudioguy2100]

Remove the audio driverboard from the amp . Does that allow the amp to power up

 

[Gentech]

there is a power green when I remove the driverboard

 

[caraudioguy2100]

Then something else is defective on the driverboard of you replaced the 1 D transistors on the driver board all ready

 

[Gentech]

I replace 1D but no luck same problem

 

[Gentech]

Any one help me my driver board ��

 

[caraudioguy2100]

Are the outputs in or out of the amp ?

 

[MatthewS]

Any one help me my driver board ��

Post a photo of your driver board.

 

[Gentech]

Here the actual picture my driver board

 

[MatthewS]

I have circled the 2 transistors that typically (but not always) cause this condition. Did you replace them both?

 

[Gentech]

Yes i was replace both transistor but no luck

 

[Gentech]

I tired to find schematic of driver board

 

[Perry Babin]

The top op-amp sometimes fails.

The thread appeared to go offline with information being given off of the forum so I ignored it.

 

[Gentech]

Sir @perry babin may i know where the top op-amp thanks in advance

 

[Perry Babin]

See attached.

 

[Gentech]

I was replace that ic but no luck