Punch 45HD and 150HD cards

Dr Zeus · 09:10 PM

Ive got three Punch 45HDs and one Punch 150HD. The Punch 150HD seems to be working OK. The three Punch 45HDs all have sounding problems. Of the 3 amps, theyr either play lots of static or have very bad loud-output 'farting' distortion.

On at least one of the 45HDs, I found TL072C directly behind the left RCA partially unsoldered, likely from a leaking 10uf/16v cap just next to it. I'm sure the other amps have similar problems with their sound boards as well.

HBPIM is the board type

Is there any good way to repair these boards properly or do I need to search for replacements?

Thanks!

seankane · 30th October 2011, 12:42 AM

You can repair them depending on how bad the fluid has leaked from the 10uf/16v caps. If they have leaked badly alot of times they will eat through alot of traces. You can hard wire in place of the traces.

PM me and I can get you new ones very reasonable but I am extremely busy and it might take me awhile.

Dr Zeus · 31st October 2011, 02:20 AM

I can try hard-wiring most of the components, but what I found is the square/black patches appear to all be resistors of varying values. Does anyone have a scematic of the HBPIM board?

Perry Babin · 31st October 2011, 07:25 AM

Email me for the diagram.

babin_perry@yahoo.com

seankane · 1st November 2011, 05:05 AM

Perry could I get a copy of that schematic?

seankane89@hotmail.com

29th October 2011, 08:52 PM	#1
Dr Zeus diyAudio Member Join Date: Oct 2010	Punch 45HD and 150HD cards Ive got three Punch 45HDs and one Punch 150HD. The Punch 150HD seems to be working OK. The three Punch 45HDs all have sounding problems. Of the 3 amps, theyr either play lots of static or have very bad loud-output 'farting' distortion. On at least one of the 45HDs, I found TL072C directly behind the left RCA partially unsoldered, likely from a leaking 10uf/16v cap just next to it. I'm sure the other amps have similar problems with their sound boards as well. HBPIM is the board type Is there any good way to repair these boards properly or do I need to search for replacements? Thanks! Last edited by Dr Zeus; 29th October 2011 at 09:10 PM.

30th October 2011, 12:42 AM	#2
seankane diyAudio Member Join Date: May 2010 Location: Washington State	You can repair them depending on how bad the fluid has leaked from the 10uf/16v caps. If they have leaked badly alot of times they will eat through alot of traces. You can hard wire in place of the traces. PM me and I can get you new ones very reasonable but I am extremely busy and it might take me awhile. __________________ Pyramid 52 Amp Power Supply----Fluke 787 Processmeter----Tektronix 465 Scope----Velleman HPS40 Scope----Soldering Iron----Desoldering Iron----Hejet HJ 500-S Heatgun----DM4070 Digital LCR Meter----Propane Torch

31st October 2011, 07:25 AM	#4
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	Email me for the diagram. babin_perry@yahoo.com __________________ Links >> Basic Car Audio Amp Repair * Basic Car Audio Electronics * New Site * Basic Switching Power Supply Design * Basic Computer Skills << Links

1st November 2011, 05:05 AM	#5
seankane diyAudio Member Join Date: May 2010 Location: Washington State	Perry could I get a copy of that schematic? seankane89@hotmail.com __________________ Pyramid 52 Amp Power Supply----Fluke 787 Processmeter----Tektronix 465 Scope----Velleman HPS40 Scope----Soldering Iron----Desoldering Iron----Hejet HJ 500-S Heatgun----DM4070 Digital LCR Meter----Propane Torch

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31st October 2011, 02:20 AM	#3
Dr Zeus diyAudio Member Join Date: Oct 2010	I can try hard-wiring most of the components, but what I found is the square/black patches appear to all be resistors of varying values. Does anyone have a scematic of the HBPIM board?

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