Pioneer PDP-502MX Service Manual page 53

Adjustments required when the set is repaired or replaced
VIDEO ASSY
When repaired
1) (Procedure 1) Color difference (R-Y/B-Y) adjustment
(502MX only)
2) (Procedure 2) Sub-Contrast/Sub-Bright adjustment
3) (Procedure 8) White balance adjustment
When replaced
3) (Procedure 8) White balance adjustment
MAIN POWER ASSY
When repaired
1) (Procedure 3) VSUS/VADR/STB5V/+14V voltage adjustment
2) (Procedure 4) VSUS UVP/+B voltage adjustment
When replaced
1) (Procedure 3) VSUS voltage adjustment
(Adjust the voltage to the voltage value mentioned on the
"Drive voltage label")
Caution: Setting of SW, S111 at MAIN POWER ASSY
PDP-502MXE Only: Set the SW, S111 to AC220V side.
Otherwise the power will shutdown.
PDP-502MX/505HD: Set the SW, S111 to AC100V side.
DIGITAL VIDEO ASSY
When replaced
1) (Procedure 5) 5V/3.3V voltage adjustment
When replaced
No adjustment required.
Y DRIVE ASSY
When repaired
3) (Procedure 6) VOFS/VH/IC5V voltage adjustment
When replaced
1) (Procedure 6) VOFS voltage adjustment
(Adjust the voltage to the voltage value mentioned on the
"Drive voltage label")
U-COM ASSY
When replaced
Remove IC3601, EEPROM (24LC64(1)SN-TBB) from the
defect ASSY and replace it with the one on the new ASSY.
Drive Voltage Label
Position of Drive Voltage Label
PDP-502MX, PDP-502MXE
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