Pioneer PDP-424MV Service Manual page 51

(8) No pictures [(Caution) The voltage outputs of Vs = 170V and Vd = 64V, 5Vdc are always generated, but the LED is
not flashing or lighting for alarming. However, the voltage values can differ according to the MODULE.]
No picture is displayed.
Make the setting of OFF → ON
for the main power supply.
Does the priming glimpse?
NO
YES
When the AD connector is disconnected, is
the LVDS signal normally output to each
pin of the AD connector? (For more details
of the signal, refer to the descriptions about
the connector pins.)
YES
The AD connector or the PDP is fault.
(Refer to P7-1 "HOW TO DIAGNOSE THE PDP MODULE".)
The PDP is fault.
(Refer to P7-1 "HOW TO DIAGNOSE THE PDP MODULE".)
NO
The MAIN PWB is fault.
8-15
51