[TechAssist] Re: Sony PTV: KP46S15 instant shut down at turn on,P.S.cycles
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 17 Oct 2002 19:33:48 -0400
Check the 12 volt supply to the relay drive circuit first. If that's okay
then these are from WINSTIPS:
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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SONY KP46S15
Press Pwr-Hv,Click-Click,Timer/Sandby Lght Blnks Twice,Shuts Dn
Bruce A-1 Tv Van.Wa. 9/99
On E Brd Pull Cn802,If Starts;Ic 701,731,761=Vid.Drive=Tda6106 (all 3) No
Start;Pull Cn624 On Pwr Brd,If Starts=Audio Out=Ic230=Tda7265 See Next Tip
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SONY KP46S15
Press Pwr-Hv,Click-Click,Timer/Sandby Lght Blnks Twice,Shuts Dn Cont:
Bruce A-1 Tv Van.Wa. 9/99
If Still No Start;Remove 3 Anode Leads From Tripler(Push Down & Turn) Also
Remove 3 Crt Brds If Starts Suspect Shorted Crt,To Ident;Remove 1 Anode
Lead/Crt Brd At A Time. Note:Don't Remove Hv Xfrmr Lead At Trip.
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SONY KP46S15
Press Pwr-Hv,Click-Click,Timer/Sandby Lght Blnks Twice,Shuts Dn Cont:
Bruce A-1 Tv Van.Wa. 9/99
No Start;D Brd=Conv.Pull Cn1757 If Starts,Chk Glass Fuses,If Either
Open=Conv Ic=Stk392-010 If Fuses Ok Sus.Ic1803,04,07,08 B+ Reg Also
Assoc.Filter Caps Poss.Leaky (See Next Tip)
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SONY KP46S15
Intermitent Dead
Dan Mundy, Cet/Csm
Ic 1102 9v Regulator On U Board Slow To Come Up After Set Had Been On For
Some Time Causing Power Down To Trip. This Ic Is Not On Schematic And Takes
The Place Of The 9v Line Supplied To That Board.
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SONY KP46S15
Dead
Jnm
D669 # 871991119 & C663 # 112694811 100/35v G Pcb
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SONY KP46S15
Dead. Loud Noise, Smoke, Then Dead With Blinking Led
Bryn Mawr Tv
Ic230 Shorted On A Cba (Tda7265)
Q601, Q602 Shorted (2sc4834) D651 (D4sbs4-F) Open R606 (0.1 Ohm 1/2w
Fusible)
C667 (470uf/25v) On G Cba
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Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
----- Original Message -----
From: "Phil Bader" <philbad@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 17, 2002 11:19 AM
Subject: [TechAssist] Sony PTV: KP46S15 instant shut down at turn
on,P.S.cycles
>
> This 46 inch Sony will power up with HV, instantly shut down.
> Disconnected the HV splitter block, no help.Same. The SMPS seems to
> continue to cycle as if trying to come on. Helping a fellow tech.
> Phil Bader
> --
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: philbad@xxxxxxxxxx
>
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