This amp powers up and idles fine ..
Problem I'm having is if I measure the resistance from rca shield ground to Amps main ground terminal I get 468 ohms ..
When I power the amp up if I place the black meter probe on Amps ground terminal and red prob on rca shield ground I get 13.89 volts ..
If I plug in a rca cable and measure resistance from Amps rca shield ground to the case of the head unit I get 0.03 ohms ..
This amp has already taken out 1 headunit on my bench by blowing the shield ground inside the headunit to the point where it was unrepairable and has also taken out another amp I use on my test bench for the mods and highs ..
I can't seem to locate the problem ..
Anyone have any ideas on where to start
Problem I'm having is if I measure the resistance from rca shield ground to Amps main ground terminal I get 468 ohms ..
When I power the amp up if I place the black meter probe on Amps ground terminal and red prob on rca shield ground I get 13.89 volts ..
If I plug in a rca cable and measure resistance from Amps rca shield ground to the case of the head unit I get 0.03 ohms ..
This amp has already taken out 1 headunit on my bench by blowing the shield ground inside the headunit to the point where it was unrepairable and has also taken out another amp I use on my test bench for the mods and highs ..
I can't seem to locate the problem ..
Anyone have any ideas on where to start
The deck was a kenwood ..
RCA cables are brand new and top of the line cables not cheap ..
I know there is something wrong with he amp since it took out another amp in the test bench and I asked my friend what it did in his car and it burnt rca ground shield in his car as well in a alpine head unit and took out one of his amps
RCA cables are brand new and top of the line cables not cheap ..
I know there is something wrong with he amp since it took out another amp in the test bench and I asked my friend what it did in his car and it burnt rca ground shield in his car as well in a alpine head unit and took out one of his amps
It sounds like it has a shorted transformer. Twist/push/pull while measuring the voltage from ground to shield to see if it varies.
I twisted the transformer and can get it to drop to .50 volts..
Is the .50 volts still an issue should i get it closer to 0.00 volts
Is the .50 volts still an issue should i get it closer to 0.00 volts
0.5v is likely OK. Now you have to find the short. It's likely where the terminal windings meet the main body of windings.
Found the shirt and fixed it ..
Now I have another problem ..
The display that tells you the voltage is not working ..
Do these displays burn out or is it more likely another part of the circuit that's causing it not to work ..
The display is blank
Now I have another problem ..
The display that tells you the voltage is not working ..
Do these displays burn out or is it more likely another part of the circuit that's causing it not to work ..
The display is blank
Yes it has 13.8 volts
I'm wondering if the display went bad or the ic went bad
The IC is
Samsung
s3p7324xzz
I'm wondering if the display went bad or the ic went bad
The IC is
Samsung
s3p7324xzz
Ok wondering if you know if the voltages posted are correct ..
This is at the wire connector from main board to display board
They are marked like this and here's the voltages I get
L:1.09
R:0.80
+B:13.89
RE:11.80
PT:0.00
G:0.00
This is at the wire connector from main board to display board
They are marked like this and here's the voltages I get
L:1.09
R:0.80
+B:13.89
RE:11.80
PT:0.00
G:0.00
- Status
- Not open for further replies.