Sanyo PDP-63XR7HB Service Manual

Contents

214.5 No picture of D-SUB channel4.6 No picture of HDMINote: in order to display HDMI picture properly (especially when use the DVD with HDCP information),first, make sure to flash write NA01, NA02, NA03 (DDC chip of HDMI interface) accurately, and the busline between NA01, NA02, NA03, NA04 and HDMI is well. Second, make sure that HOTPLUG circuit (it’shigh voltage when play normally) and HDMI control signal are well (NA04 pin21-23, when switch to acertain HDMI channel, the corresponding pin is high voltage, while other pins are low voltage).Check if NA04 has digital signal outputCheck if NA04 has digitalsignal inputCheck the peripheral circuit ofNS01, crystal and power supplyYes NoCheck if CS12, CS13, CS14have signal inputIs there synchronous signal output from N801 pin4,8 ?Check the circuitbetween VGAsocket and NS01Yes NoYes NoCheck NS01Check if the Pin1, 5 of NB01have sync signal inputYes NoCheck the peripheralcircuit of NB01 andpower supplyCheck the circuitbetween VGAsocket and NB01Check the circuit betweenHDMI socket and NA04Check the peripheral circuit of NA04 (IIC, HOTPLUG andNA04 pin21-23 HDMI channel switch control signal)Yes No