Pioneer PDP-502MX Service Manual page 69

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 9) White balance adjustment
When replaced
3) (Procedure 9) White balance adjustment
MAIN POWER ASSY
When repaired
1) (Procedure 3) VSUS/VADR/STB5V/+14V voltage adjustment
2) (Procedure 4) VSUS UBP/+B voltage adjustment
3) (Procedure 5) VFZ voltage adjustment
When replaced
1) (Procedure 3) VSUS voltage adjustment
(Adjust the voltage to the voltage value mentioned on the
"Drive voltage label")
DIGITAL VIDEO ASSY
When replaced
1) (Procedure 6) 5V/3.3V voltage adjustment
When replaced
No adjustment required.
Y DRIVE ASSY
When repaired
1) (Procedure 7) VOFS/VH/VRN/IC5V voltage adjustment
When replaced
1) (Procedure 7) VOFS voltage adjustment
(Adjust the voltage to the voltage value mentioned on the
"Drive voltage label")
UCOM ASSY
When replaced
Remove IC3601, EEPROM (24LC64(1)SN-TBB) from the
defect ASSY and replace it with the one on the new ASSY.
Position of Drive Voltage Label
PDP-502MX, PDP-502MXE
Drive Voltage Label
69