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PDV-LC10
7.1.2 TROUBLE SHOOTING
� No Power ON � TFT is not turned ON � LCD indication is unusual
START
Power ON
Is TFT turn on ? Yes
No
� Check the DC voltage : DC 9V input (TP9) � Check the D1 and F2 on the PDVDM Assy. � Check each voltage (TP11: V5DR, TP12: V+5S, TP13: V+5A, TP14: V+5D, TP15: V+3D, TP16: V2.5V and TP17: V5SP). (If above voltage are not supplied, check the TP11, TP17-Q7, TP12-TP14: Q6, TP15-Q9, TP16-Q10.)
Is the indication of LCD normal ? Yes
No
� Check the connection between CN602 and CN2001. � Check the voltage of TP626: V+3V. � Check the voltage of IC2001-pin 68. � Check the voltage of CN2001-pins 12 and 13.
Is the spindle motor rotate ? Yes
No
� Check the connection between CN1 and CN120 of the Traverse Mechanism Assy. � Check the V+5S voltage on the PDVDM Assy. � Check the voltages of TP125, TP139 and TP140.
Do the video and sound come on ? Yes
No
� Check the connection between CN401 and TFT B1. � Check the switch of AV SELECT S850.
OK
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