Pioneer PDP-502MX Service Manual page 58

PDP-502MX, PDP-502MXE
Procedure Adjusting Item
Base Pulse
number
10
Adjustment
(502MX only)
Note) If unnecessarily adjusted, power consumption is changed and the panel is damaged.
ABL Level Value
11
Adjustment
(502MX only)
Note) If unnecessarily adjusted, power consumption is changed and the panel is damaged.
ABL Level Offset
12
adjustment
Note) If unnecessarily adjusted, power consumption is changed and the panel is damaged.
Pulse Number
13
Offset adjustment
Note) If unnecessarily adjusted, power consumption is changed and the panel is damaged.
VR851
(IC5V)
TP851
TP854
(IC5V)
(PSUS)
VR750
( VH )
TP753
(PSUS)
TP751
(VH)
58
Input signal Adjusting Point
SUB VIDEO mode
in Factory mode
Any input
PULSE NUMBER
........."8" Key
Adjust only in case of necessity.
SUB VIDEO mode
in Factory mode
Any input
ABL LEVEL ...."9" Key
Adjust only in case of necessity.
REFERENCE 1
in Factory mode
Any input
ABL LEV OFFSET
........."BS9" Key
Adjust only in case of necessity.
REFERENCE 1
in Factory mode
Any input
PLS NUM OFFSET
........."BS11" Key
Adjust only in case of necessity.
TP703
(SUS GND)
VR700
(VOFS)
TP705
(VOFS)
Y DRIVE ASSY
Adjusting points and Measuring points
Adjusting Method
Set to the indicated value with the keys on the remote control unit.
(refer to SUB VIDEO mode)
Set to the indicated value with the keys on the remote control unit.
(refer to SUB VIDEO mode)
Adjust to the ABL value mentioned on the "Drive voltage label" at the
chassis of the glass panel.
Set to the indicated value with the keys on the remote control unit.
(refer to REFERENCE 1 mode)
TOP
DIGITAL VIDEO ASSY
TOP
TP553
(+5V)
VR552
(+5V)
TP554
(DGND)
TP601 TP602
VR602
(+3.3V) (DGND)
(+3.3V)