Mitsubishi Electric PD-5010 Service Manual page 22

No presentation of pictures and
ON-screen display (P6)
Are pulses of 3Vp-p available at Pins 38, 39, and
40 of the AD connector?
Are the horizontal/vertical sync signals of 3Vp-p
available at Pins 27/28 of IC8701, and a clock
signal at Pin 31?
50KHz 60Hz
Are the signals of 3Vp-p (signal name: REV_LVDS,
RODD_LVDS, etc.) available at the signal input
pin of IC8701?
Is normal display available when the AD, PD, or
PH cable is replaced?
Is normal display available when the MAIN PWB
is replaced?
Are 170V, 64V, and D+5V of the POWER unit
normally output?
The plasma display module is out of order.
Are the specified voltages available at the
connectors below? (Power source check)
Connector name Pin No.
PN
PM
The POWER unit is out of order.
YES
40MHz
YES
YES
NO
NO
YES
Voltage
1 3.3Vdc
1 7Vdc
7 5Vdc
9 14Vdc
NO
NO
NO
NO
YES
Each cable is defective.
YES
The MAIN PWB is out of order.
NO
See "Power cannot be ON."
YES
The MAIN PWB is out of order.
11