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This chip is a voltage regulator, not the audio amplifier. The part number i=
ndicates that it is a 5v fixed regulator.=20
Peace,=20
Pat
Pat Horne=20
We support Habitat for Humanity
On Feb 23, 2019, at 7:35 AM, Battmain via Shop-talk <shop-talk@autox.team.ne=
t> wrote:
I did look up that model, however, here is an example from this site...
MC7805CT Datasheet, PDF - Alldatasheet
MC7805CT Datasheet, PDF - Alldatasheet
alldatasheet.com
MC7805CT Datasheet, MC7805CT PDF, MC7805CT Data sheet, MC7805CT manual, MC78=
05CT pdf, MC7805CT, datenblatt, Elec...
They list multiple models of that chip. The one I think is closest is...
http://pdf1.alldatasheet.com/datasheet-pdf/view/82852/FAIRCHILD/MC7805CT.htm=
l
because of the variable output. The amp does have level/volume pot on it. T=
he other datasheets in the list do not show a variable output.
Brian
On Saturday, February 23, 2019, 6:30:21 AM EST, Jeff Scarbrough <fishplate@g=
mail.com> wrote:
How about LM7805CT?
On Sat, Feb 23, 2019 at 2:16 AM Battmain via Shop-talk
<shop-talk@autox.team.net> wrote:
>
> Finally got around to installing an amplified speaker I had sitting around=
for years. It was supposed to be a simple install, but looks like I fried s=
omething in the haste.
>
> I already picked up the capacitor in the picture, but I think the regulat=
or might be fried also based on the burn marks.Seems there are different mod=
els of that regulator. The amp is in a 12v application. Anybody have any i=
deas as to what model regulator it is? (or what I could substitute it with? W=
ill be getting it from that auction site. :) )
> Picture in the link...(that's the best I could get) https://i.imgur.com/FI=
fJA4O.jpg
>
> I figure if I throw $5 at it in parts, it wouldn't hurt to try.
>
>
> Brian
> _______________________________________________
>
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.96
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>
_______________________________________________
Shop-talk@autox.team.net
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">This chip is a voltage regulator, not the a=
udio amplifier. The part number indicates that it is a 5v fixed regulator.&n=
bsp;<div><br></div><div>Peace, </div><div>Pat<br><br><div id=3D"AppleMa=
ilSignature" dir=3D"ltr">Pat Horne <div>We support Habitat for Humanity=
</div><div><br></div></div><div dir=3D"ltr"><br>On Feb 23, 2019, at 7:35 AM,=
Battmain via Shop-talk <<a href=3D"mailto:shop-talk@autox.team.net";>shop=
-talk@autox.team.net</a>> wrote:<br><br></div><div dir=3D"ltr"><!--[if gt=
e mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:=
PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--><div class=3D"ydp=
2bbfaeyahoo-style-wrap" style=3D"font-family:Helvetica Neue, Helvetica, Aria=
l, sans-serif;font-size:16px;"><div></div>
<div>I did look up that model, however, here is an example from this=
site...</div><div><a href=3D"http://www.alldatasheet.com/view.jsp?Searchwor=
d=3DMC7805CT" rel=3D"nofollow" target=3D"_blank" class=3D"enhancr_card_13289=
80195">MC7805CT Datasheet, PDF - Alldatasheet</a><br></div><div><br></div><d=
iv id=3D"ydp3e0f82ebenhancr_card_1328980195" class=3D"ydp3e0f82ebyahoo-link-=
enhancr-card ydp3e0f82ebymail-preserve-class ydp3e0f82ebymail-preserve-style=
" style=3D"max-width: 400px; font-family: Helvetica Neue, Segoe UI, Helvetic=
a, Arial, sans-serif; position: relative;" data-url=3D"http://www.alldatashe=
et.com/view.jsp?Searchword=3DMC7805CT" data-type=3D"YENHANCER" data-size=3D"=
MEDIUM" contenteditable=3D"false"><a href=3D"http://www.alldatasheet.com/vie=
w.jsp?Searchword=3DMC7805CT" style=3D"text-decoration:none !important;color:=
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id;border-color:rgb(224, 228, 233);border-radius:2px"><tbody><tr><td class=3D=
"ydp3e0f82ebcard-primary-image-cell" background=3D"https://s.yimg.com/lo/api=
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gcolor=3D"#000000" valign=3D"top" height=3D"175" style=3D"background-color: r=
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h0cmFjdA--/http://other.alldatasheet.com/company_logo/105MOTOROLA.GIF.cf.jpg=
"/></v:rect><![endif]--><table border=3D"0" class=3D"ydp3e0f82ebcard-overlay=
-container-table ydp3e0f82ebyahoo-ignore-table" cellpadding=3D"0" cellspacin=
g=3D"0" style=3D"width:100%"><tbody><tr><td class=3D"ydp3e0f82ebcard-overlay=
-cell" background=3D"https://s.yimg.com/cv/ae/nq/storm/assets/enhancrV21/1/e=
nhancr_gradient-400x175.png" bgcolor=3D"transparent" valign=3D"top" style=3D=
"background-color: transparent; border-radius: 2px 2px 0px 0px; min-height: 1=
75px;"><!--[if gte mso 9]><v:rect fill=3D"true" stroke=3D"false" style=3D"wi=
dth:396px;height:175px;position:absolute;top:-18px;left:0;"><v:fill type=3D"=
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nhancrV21/1/enhancr_gradient-400x175.png"/><v:textbox inset=3D"0,0,20px,0"><=
![endif]--><table border=3D"0" class=3D"ydp3e0f82ebyahoo-ignore-table" heigh=
t=3D"175" style=3D"width: 100%; min-height: 175px;"><tbody><tr><td class=3D"=
ydp3e0f82ebcard-richInfo2" style=3D"text-align:left;padding:15px 0 0 15px;ve=
rtical-align:top"></td><td class=3D"ydp3e0f82ebcard-actions" style=3D"text-a=
lign:right;padding:15px 15px 0 0;vertical-align:top"><div class=3D"ydp3e0f82=
ebcard-share-container"></div></td></tr></tbody></table><!--[if gte mso 9]><=
/v:textbox></v:rect><![endif]--></td></tr></tbody></table></td></tr><tr><td>=
<table border=3D"0" align=3D"center" class=3D"ydp3e0f82ebcard-info ydp3e0f82=
ebyahoo-ignore-table" cellpadding=3D"0" cellspacing=3D"0" style=3D"backgroun=
d:#fff;position:relative;z-index:2;width:100%;max-width:400px;border-radius:=
0 0 2px 2px;border-top:1px solid rgb(224, 228, 233)"><tbody><tr><td style=3D=
"background-color:#ffffff;padding:16px 0 16px 12px;vertical-align:top;border=
-radius:0 0 0 2px"></td><td style=3D"vertical-align:middle;padding:12px 24px=
16px 12px;width:99%;font-family:Helvetica Neue, Segoe UI, Helvetica, Arial,=
sans-serif;border-radius:0 0 2px 0"><h2 class=3D"ydp3e0f82ebcard-title" sty=
le=3D"font-size: 14px; line-height: 19px; margin: 0px 0px 6px; font-family: H=
elvetica Neue, Segoe UI, Helvetica, Arial, sans-serif; color: rgb(38, 40, 42=
);">MC7805CT Datasheet, PDF - Alldatasheet</h2><p class=3D"ydp3e0f82ebcard-r=
ichinfo-primary" style=3D"font-size:12px;line-height:16px;margin:0 0 4px 0;c=
olor:#979ba7">alldatasheet.com</p><p class=3D"ydp3e0f82ebcard-description" s=
tyle=3D"font-size: 12px; line-height: 16px; margin: 0px; color: rgb(151, 155=
, 167);">MC7805CT Datasheet, MC7805CT PDF, MC7805CT Data sheet, MC7805CT man=
ual, MC7805CT pdf, MC7805CT, datenblatt, Elec...</p></td></tr></tbody></tabl=
e></td></tr></tbody></table></td></tr></tbody></table></a><div class=3D"load=
ingSpinnerContainer" style=3D"position: absolute; top: 0px; width: 100%; hei=
ght: 100%; display: flex; align-items: center; justify-content: center; back=
ground-color: rgba(255, 255, 255, 0.3);"><div class=3D"D_F F_n gl_C ab_C H_6=
MGW o_h"><div class=3D"W_6MGW H_6MGW D_X ah_1PEzoz" data-test-id=3D"loading_=
indicator"><svg class=3D"W_6MGW H_6MGW ah_Zq6hUs" viewBox=3D"0 0 24 24" widt=
h=3D"24" height=3D"24"><path class=3D"cdPFi_n cZ13pKbK_Z2aVTcY cZ1XO2Ji_dRA c=
2abBOT_EY cZ1vNhDV_rd cZV8aCd_pI ah_14s73" d=3D"M12,22C6.477,22,2,17.523,2,1=
2S6.477,2,12,2"></path><path class=3D"cdPFi_n cZ13pKbK_Z2aVTcY cZ1XO2Ji_dRA c=
2abBOT_EY cZ1vNhDV_rd cZV8aCd_pI ah_14s73" d=3D"M12,2c5.523,0,10,4.477,10,10=
s-4.477,10-10,10"></path></svg></div></div></div></div><div><br></div><div><=
br></div><div>They list multiple models of that chip. The one I think is clo=
sest is...</div><div><a href=3D"http://pdf1.alldatasheet.com/datasheet-pdf/v=
iew/82852/FAIRCHILD/MC7805CT.html" rel=3D"nofollow" target=3D"_blank">http:/=
/pdf1.alldatasheet.com/datasheet-pdf/view/82852/FAIRCHILD/MC7805CT.html</a><=
br></div><div>because of the variable output. The amp does have level/=
volume pot on it. The other datasheets in the list do not show a variable ou=
tput.</div><div><br></div><div>Brian</div><div><br></div><div><br></div>
=20
</div><div id=3D"ydpbf13efe9yahoo_quoted_1895949275" class=3D"ydpbf1=
3efe9yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, sa=
ns-serif;font-size:13px;color:#26282a;">
=20
<div>
On Saturday, February 23, 2019, 6:30:21 AM EST, Jeff Sca=
rbrough <<a href=3D"mailto:fishplate@gmail.com";>fishplate@gmail.com</a>&g=
t; wrote:
</div>
<div><br></div>
<div><br></div>
<div><div dir=3D"ltr">How about LM7805CT?<br clear=3D"none">=
<div class=3D"ydpbf13efe9yqt8133710530" id=3D"ydpbf13efe9yqtfd96835"><br cle=
ar=3D"none">On Sat, Feb 23, 2019 at 2:16 AM Battmain via Shop-talk<br clear=3D=
"none"><<a shape=3D"rect" href=3D"mailto:shop-talk@autox.team.net"; rel=3D=
"nofollow" target=3D"_blank">shop-talk@autox.team.net</a>> wrote:<br clea=
r=3D"none">><br clear=3D"none">> Finally got around to installing an a=
mplified speaker I had sitting around for years. It was supposed to be=
a simple install, but looks like I fried something in the haste.<br clear=3D=
"none">><br clear=3D"none">> I already picked up the capacitor in the p=
icture, but I think the regulator might be fried also based on the bur=
n marks.Seems there are different models of that regulator. The amp is=
in a 12v application. Anybody have any ideas as to what model regulat=
or it is? (or what I could substitute it with? Will be getting it from that a=
uction site. :) )<br clear=3D"none">> Picture in the link...(that's the b=
est I could get) <a shape=3D"rect" href=3D"https://i.imgur.com/FIfJA4O.jpg"; r=
el=3D"nofollow" target=3D"_blank">https://i.imgur.com/FIfJA4O.jpg</a><br cle=
ar=3D"none">><br clear=3D"none">> I figure if I throw $5 at it in part=
s, it wouldn't hurt to try.<br clear=3D"none">><br clear=3D"none">><br=
clear=3D"none">> Brian</div><br clear=3D"none">> ____________________=
___________________________<br clear=3D"none">><br clear=3D"none">> <a=
shape=3D"rect" href=3D"mailto:Shop-talk@autox.team.net"; rel=3D"nofollow" ta=
rget=3D"_blank">Shop-talk@autox.team.net</a><br clear=3D"none">> Donate: <=
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</div>
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