need help with this chip

Irwind Kee · 14th August 2010, 01:29 AM

hello guy, can someone help me with this chip that i get from old toyota stock cd player, i dont know if this chip is amp chip or what, i try googling and no information about this chip

on this chip printed something like this

HFE701F
010X3
MURATA
D23

and if this is amp chip can someone give the data about this chip
Thanks

Minion · 14th August 2010, 04:09 PM

How many Pins does it have ?? Can you post a pic ??

Irwind Kee · 14th August 2010, 06:30 PM

it has 14 pin, i will post pic of it letter

Irwind Kee · 21st August 2010, 01:50 AM

gootee · 21st August 2010, 11:00 PM

It looks more like a small PCB than a chip. It looks like there are components on it, with an epoxy or other coating over the whole thing.

Irwind Kee · 29th August 2010, 03:32 PM

you rigth mr.gootee, it a small PCB covered with epoxy. i try find its model no. via google, nothing found. even i search from murata site the result nothing

pjp · 29th August 2010, 04:21 PM

Without any form of heatsinking its not likely to be a (power) amp.

Murata used to use that sort of (ceramic?) packaging for their filter subassemblies.

14th August 2010, 01:29 AM	#1
Irwind Kee diyAudio Member Join Date: Dec 2006 Location: Kota Kinabalu	need help with this chip hello guy, can someone help me with this chip that i get from old toyota stock cd player, i dont know if this chip is amp chip or what, i try googling and no information about this chip on this chip printed something like this HFE701F 010X3 MURATA D23 and if this is amp chip can someone give the data about this chip Thanks

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14th August 2010, 04:09 PM	#2
Minion diyAudio Member Join Date: May 2006	How many Pins does it have ?? Can you post a pic ??

14th August 2010, 06:30 PM	#3
Irwind Kee diyAudio Member Join Date: Dec 2006 Location: Kota Kinabalu	it has 14 pin, i will post pic of it letter

21st August 2010, 01:50 AM	#4
Irwind Kee diyAudio Member Join Date: Dec 2006 Location: Kota Kinabalu

21st August 2010, 11:00 PM	#5
gootee diyAudio Member Join Date: Nov 2006 Location: Indiana Blog Entries: 1	It looks more like a small PCB than a chip. It looks like there are components on it, with an epoxy or other coating over the whole thing.

29th August 2010, 03:32 PM	#6
Irwind Kee diyAudio Member Join Date: Dec 2006 Location: Kota Kinabalu	you rigth mr.gootee, it a small PCB covered with epoxy. i try find its model no. via google, nothing found. even i search from murata site the result nothing

29th August 2010, 04:21 PM	#7
pjp diyAudio Member Join Date: Nov 2006 Location: under the rainclouds	Without any form of heatsinking its not likely to be a (power) amp. Murata used to use that sort of (ceramic?) packaging for their filter subassemblies.

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