planet audio vx2200d repair questions - Page 4

Perry Babin · 24th December 2011, 10:32 PM

IS the 220 ohm resistor just behind the RCA jacks within tolerance?

grandam88 · 25th December 2011, 10:26 PM

yes, reads fine.

Perry Babin · 26th December 2011, 12:23 AM

Do you read 0 ohms between one end of R101 and the RCA shields?

Do you read 0 ohms from the negative speaker terminal to the other end of R101?

grandam88 · 26th December 2011, 12:40 AM

from one end of the resistor to shields of rcas(measurement taken from front side of rca's and entrance of r101 resitor) got a "no reading" BUT from back side of the rcas(meaning the pin running into the board) i get 57k ohms and climbing.

on negative terminal to resistor i get 0 ohms.

as previously stated, amp appears to have been dropped on the rcas, as the end cap is dented there, and also rcas had come loose from the board and i had to re solder them.

Perry Babin · 26th December 2011, 01:49 AM

It sounds like the ground pin for the RCAs is broken or the trace is broken. Remove the RCA jacks and see if you can determine where the problem is.

For a quick, temporary fix, you can solder a jumper wire from the metal tab at the top of the RCA jacks (inside the amp) to the resistor (the end not connected to the speaker terminal).

In the future, instead of saying that you get no reading, say that you have an open circuit, infinite resistance, no continuity or the meter displayed OL (if that's what your meter reads with the probes open). No reading would mean that the meter's display went blank.

grandam88 · 26th December 2011, 03:32 AM

yeah they were bad, i pulled them from the board and they fell apart, i now have readings in resistance on the rcas to the resistor.

IFixAudio · 26th December 2011, 02:57 PM

Let me know if you can not get new RCA's from the manufacturer.
I have a bucket full of them. One of them might fit.
Post a photo of them.

grandam88 · 26th December 2011, 04:02 PM

i got some from a graveyard planet audio bb650.1 amp works good now.

24th December 2011, 10:32 PM	#31
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	IS the 220 ohm resistor just behind the RCA jacks within tolerance? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

26th December 2011, 12:23 AM	#33
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	Do you read 0 ohms between one end of R101 and the RCA shields? Do you read 0 ohms from the negative speaker terminal to the other end of R101? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

26th December 2011, 01:49 AM	#35
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	It sounds like the ground pin for the RCAs is broken or the trace is broken. Remove the RCA jacks and see if you can determine where the problem is. For a quick, temporary fix, you can solder a jumper wire from the metal tab at the top of the RCA jacks (inside the amp) to the resistor (the end not connected to the speaker terminal). In the future, instead of saying that you get no reading, say that you have an open circuit, infinite resistance, no continuity or the meter displayed OL (if that's what your meter reads with the probes open). No reading would mean that the meter's display went blank. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

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25th December 2011, 10:26 PM	#32
grandam88 diyAudio Member Join Date: Jan 2011 Location: houston, tx	yes, reads fine.

26th December 2011, 12:40 AM	#34
grandam88 diyAudio Member Join Date: Jan 2011 Location: houston, tx	from one end of the resistor to shields of rcas(measurement taken from front side of rca's and entrance of r101 resitor) got a "no reading" BUT from back side of the rcas(meaning the pin running into the board) i get 57k ohms and climbing. on negative terminal to resistor i get 0 ohms. as previously stated, amp appears to have been dropped on the rcas, as the end cap is dented there, and also rcas had come loose from the board and i had to re solder them.

26th December 2011, 03:32 AM	#36
grandam88 diyAudio Member Join Date: Jan 2011 Location: houston, tx	yeah they were bad, i pulled them from the board and they fell apart, i now have readings in resistance on the rcas to the resistor.

26th December 2011, 02:57 PM	#37
IFixAudio diyAudio Member Join Date: Jan 2007 Location: Detroit	Let me know if you can not get new RCA's from the manufacturer. I have a bucket full of them. One of them might fit. Post a photo of them.

26th December 2011, 04:02 PM	#38
grandam88 diyAudio Member Join Date: Jan 2011 Location: houston, tx	i got some from a graveyard planet audio bb650.1 amp works good now.

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