Pioneer SD-P452 Big Screen

[Larry Davison]

HV comes on 1 second then off. Need power supply diagram or help.
davisontv@hotmail.com

 

[john]

ESR every Filter cap ...

kip

--
"Watch the return E-Mail addy its false"
"Larry Davison" <davisontv@starband.net> wrote in message
news:Hv5fb.531$lJ4.250328201@twister2.starband.net...

HV comes on 1 second then off. Need power supply diagram or help.
davisontv@hotmail.com

 

[Shoreline Electronics]

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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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PIONEER SDP452

Common Problems On Convergence Board:

Osage Tv On The 2 Series (Sdp402 / 452 / 502)

Q755/Q765/Q775/Q785//Q795 2sd1276a, Q756/Q766/Q776/Q796 2sb950a,
R458/468/478/488/455/456 6.8-1w, R465/466/475/476/485/486/495/496 2.7 Ohm 1w

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PIONEER SDP452

Common Problems On Signal Board

Osage Tv On The 2 Series (Sdp402 / 452 / 502)

Tuner Axf1021, Ic101 Pa0028

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PIONEER SDP452

Crt'S Weak; To Boost

High Tech Audio Video Kux1c Chassis

This Set Is Very Difficult To Boost The Crt Voltage. It Can Be Done By
Changing D641 Zener From 5.1v To 5/6v 1/2w On Fly Pcb

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PIONEER SDP452

Horiz/Hv Problems On Deflection Board:

Osage Tv On The 2 Series (Sdp402 / 452 / 502)

R360 3.9 Ohm 1/2w, Ic554 On3161-Q, Q584 2sd1555, R283 6.8-2w Audio Ic
Ta8200ah

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PIONEER SDP452

Pix & sound inop. Osd ok seemed to be in signal panel

dorman@gate.net

Found leaky Q624 & D646 on power-deflection board in 5v supply

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PIONEER SDP452

Vertical Problems On Deflection Board:

Osage Tv On The 2 Series (Sdp402 / 452 / 502)

Q577 2sd1276a, Q578 2sb950a, Q579 2sd1276a, R181 1 Ohm 1w, R182 1 Ohm 1w,
R186 1 Ohm 1w

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--
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@snet.net
========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd


"Larry Davison" <davisontv@starband.net> wrote in message
news:Hv5fb.531$lJ4.250328201@twister2.starband.net...

HV comes on 1 second then off. Need power supply diagram or help.
davisontv@hotmail.com