HP Pro 3420 PC Maintenance & Service Guide - Page 48
Converter Board
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Converter Board Description Converter board Spare part number 665466-001 The converter board is located on the left side of the computer (viewed from behind). It is secured with two screws and has two connectors. When replacing a converter board or display panel, make sure the jumper on the converter board is set correctly for the display panel. CAUTION: Failure to properly set the converter board jumpers can result in damage to the converter board. Determining panel manufacturer Remove the rear cover to determine the panel manufacturer by looking at the cable that connects from the panel to the converter board as follows: (1) FFC cable = LG panel (2) Wired cable = Samsung panel 40 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis
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