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Now downloading free:Pioneer Pioneer PDP scan IC removal replacement repair tips

Pioneer Pioneer PDP scan IC removal replacement repair tips free download

Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information

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File name:Pioneer_PDP_scan_IC_removal_replacement_repair_tips.pdf
[preview Pioneer PDP scan IC removal replacement repair tips]
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Model:Pioneer PDP scan IC removal replacement repair tips 🔎
Original:Pioneer PDP scan IC removal replacement repair tips 🔎
Descr: Pioneer Monitor Pioneer_PDP_scan_IC_removal_replacement_repair_tips.pdf
Group:Electronics > Computer equipment > Monitors
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File name Pioneer_PDP_scan_IC_removal_replacement_repair_tips.pdf

Pioneer Plasma Scan Board & IC Troubleshooting Scan IC Removal & Reinstallation Guide Technical Training Department 1925 E. Dominguez Street Long Beach, CA 90810 Contents Topic Page Checking drives and 4~5 Scan IC's Removing and 6 reinstalling scan IC's using nozzle type soldering station Removing and 7 reinstalling scan IC's using Chipquick Removing blue glue 8~10 from scan IC's Blue glue model list 11 3 HVxxx Psus, Gndh Vh Checking drives and scan ICs Use static precautions. Do not operate with any connectors unplugged. Replacing scan ICs in home is NOT recommended. If scan board is disconnected, be sure to isolate buss bar also. Discharge all scan board connections including buss before reconnecting. Unplug power connector from X or Y drive. Perform diode check with DVM from Vsus to ground. Should check as a diode. If Y drive shorted, next unplug Scan PCBs. If short goes away, check Scan ICs. If still shorted, replace drive. With Scan PCB unplugged, perform diode check from Vh to Psus (buss bar). Should check as a diode. If shorted, check resistance from Vh and Gndh (buss bar) to HVxxx (each IC has 2 test pads). Should measure 3 to 5 meg ohm (varies by DVM). Remove IC (see SK-D04003) that measures different from others and recheck. If all check the same, but Vh is still shorted, you must check all 64 HV pins of each IC. Remove side rail and 32 feed throughs are accessible near the panel connection. If nothing shows up, loosen Scan PCB and flip over to access all 64 connections. 4 output pins To check for defective scan ICs. First determine which scan board has the problem by doing a diode check between VH and GNDH after you disconnect the ribbon cable between the Y drive and the upper and lower scan assy. The assy that shows a short is the one with the bad scan IC In some panels you must remove the blue glue by using flux remover or acetone. Measure (diode check) between the output pins on the scan ICs and the bus bar on the scan board using either an analog meter or a digital meter in the manual mode. All outpins on all bus bar scan ICs should measure about the same resistance. (~300-600 ohms). If not, that IC is

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