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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Pioneer SD-P452 Big Screen
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Pioneer SD-P452 Big Screen
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Pioneer SD-P452 Big Screen
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Pioneer SD-P452 Big Screen
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Text pasted from WinSTIPS 2.0 http://www.ServiceSoftware.com --------------------------------------------------------------- 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 --------------------------------------------------------------- PIONEER SDP452 Common Problems On Signal Board Osage Tv On The 2 Series (Sdp402 / 452 / 502) Tuner Axf1021, Ic101 Pa0028 --------------------------------------------------------------- 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 --------------------------------------------------------------- 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 --------------------------------------------------------------- PIONEER SDP452 Pix & sound inop. Osd ok seemed to be in signal panel Found leaky Q624 & D646 on power-deflection board in 5v supply -------------------------------------------------------------- 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 --------------------------------------------------------------- -- ========================== Jeff Stielau Shoreline Electronics Repair 344 East Main Street Clinton,CT 06413 860-399-1861 860-664-3535 (fax) ======================== "If you push something hard enough it will fall over." Fudd's First Law of Opposition - Sir Sidney Fudd "Larry Davison" wrote in message ... HV comes on 1 second then off. Need power supply diagram or help. |
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Pioneer SD-P452 Big Screen
---------------------------------------------------------------
Text pasted from WinSTIPS 2.0 http://www.ServiceSoftware.com --------------------------------------------------------------- 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 --------------------------------------------------------------- PIONEER SDP452 Common Problems On Signal Board Osage Tv On The 2 Series (Sdp402 / 452 / 502) Tuner Axf1021, Ic101 Pa0028 --------------------------------------------------------------- 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 --------------------------------------------------------------- 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 --------------------------------------------------------------- PIONEER SDP452 Pix & sound inop. Osd ok seemed to be in signal panel Found leaky Q624 & D646 on power-deflection board in 5v supply -------------------------------------------------------------- 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 --------------------------------------------------------------- -- ========================== Jeff Stielau Shoreline Electronics Repair 344 East Main Street Clinton,CT 06413 860-399-1861 860-664-3535 (fax) ======================== "If you push something hard enough it will fall over." Fudd's First Law of Opposition - Sir Sidney Fudd "Larry Davison" wrote in message ... HV comes on 1 second then off. Need power supply diagram or help. |
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