[TechAssist] Re: Sony TV KV-1920 - Dead - Followup - 2nd Request
- From: Al Gutz <alg@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 09 May 2003 23:33:11 -0400
David
I have a copy of old RCC manual that has the 1920D, may be close enough
to help out.
Al G
David wrote:
> =
> Do any of our members have a service manual or partial schematic on thi=
s
> model please!?
> =
> David Lessard
> Alexandria Electronics
> Ontario-Canada
> mrfixit@xxxxxxxxxxx
> =
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of David
> Sent: Thursday, May 08, 2003 2:01 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Sony TV KV-1920 - Dead - Followup
> =
> Replaced shorted D806 with ECG552. Replaced fuse F650 (2.5A), this fuse=
is
> on a small board with an SCR (Q650), not sure but I think it's part of =
the
> regulator circuit. TV fired-up for about 20 seconds then died. F650 ope=
ned
> again, D806 still intact. Note: C807 which should be 330uf reads 380uf,=
not
> sure of its function or if this could be causing F605 to open. A servic=
e
> manual sure would come in handy here. Any input would greatly be apprec=
iate.
> =
> David Lessard
> Alexandria Electronics
> Ontario-Canada
> mrfixit@xxxxxxxxxxx
> =
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of David
> Sent: Thursday, May 08, 2003 12:57 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Sony TV KV-1920 - Dead
> =
> No problem Bob, it's just that the ECG552 is only a 600V diode and the
> ECG551 is a 1500V diode. I wasn't sure if the ECG552 would work too. Ag=
ain
> thanks, I'll try it and let you know how I make out. This sure is an ol=
d TV
> (1978).
> =
> David Lessard
> Alexandria Electronics
> Ontario-Canada
> mrfixit@xxxxxxxxxxx
> =
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Gemini Computer &
> TV
> Sent: Thursday, May 08, 2003 12:33 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Sony TV KV-1920 - Dead
> =
> >From the NTE cross reference program, the new part# 8-719-312-71 cross=
es to
> an NTE552 as follows:
> =
> Industry Number : 8-719-312-71
> NTE Device Number: NTE552
> RECTIFIER-SI,600 PRV,1A,DO-41
> =
> The RS3FS number does as well:
> =
> Industry Number : RS3FS
> NTE Device Number: NTE552
> RECTIFIER-SI,600 PRV,1A,DO-41
> =
> Bob Waterman, CET=AE #RI-28
> Master Technician License #9109
> Service Manager / Parts Manager
> Gemini Computer, TV, & Security Alarms
> (508)695-7302
> (508)695-7769 FAX
> geminitv@xxxxxxxxxxxxxxxx
> geminitv@xxxxxxx
> www.geminicomputertvsecurityalarms.com
> =
> ----- Original Message -----
> From: "David" <mrfixit@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, May 08, 2003 12:13 PM
> Subject: [TechAssist] Re: Sony TV KV-1920 - Dead
> =
> >
> > Bob, Is there an ECG equivalent? Do you think the ECG506 would be a
> suitable
> > replacement. Thanks for your opinion.
> >
> > David Lessard
> > Alexandria Electronics
> > Ontario-Canada
> > mrfixit@xxxxxxxxxxx
> >
> > -----Original Message-----
> > From: techassist-bounce@xxxxxxxxxxxxx
> > [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Gemini Computer =
&
> > TV
> > Sent: Thursday, May 08, 2003 11:58 AM
> > To: techassist@xxxxxxxxxxxxx
> > Subject: [TechAssist] Re: Sony TV KV-1920 - Dead
> >
> >
> >
> > The original part (SID30-15) was Sony part# 8-719-900-15. It is now
> replaced
> > by an RS3FS, Sony part# 8-719-312-71 which is in stock at Tritronincs=
for
> > $5.20 if this helps you.
> >
> > Bob Waterman, CET=AE #RI-28
> > Master Technician License #9109
> > Service Manager / Parts Manager
> > Gemini Computer, TV, & Security Alarms
> > (508)695-7302
> > (508)695-7769 FAX
> > geminitv@xxxxxxxxxxxxxxxx
> > geminitv@xxxxxxx
> > www.geminicomputertvsecurityalarms.com
> >
> > ----- Original Message -----
> > From: "David" <mrfixit@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, May 08, 2003 11:21 AM
> > Subject: [TechAssist] Sony TV KV-1920 - Dead
> >
> >
> > >
> > > Found D806 shorted (SID30-15). Crosses to ECG551 (discontinued). Do=
es
> > anyone
> > > know what I could sub this part with?
> > >
> > > Thanks in advance.
> > >
> > > David Lessard
> > > Alexandria Electronics
> > > Ontario-Canada
> > > mrfixit@xxxxxxxxxxx
> > >
> > >
> >
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