Pioneer PDP-424MV Service Manual page 65

* Top view of the power unit (Adjustment VR location)
P
V
Adjustment
of 5V
P
RV3
M
D+3.3 ADJ
P
N
P
A
AC
PD
CH1 CH3
D.GND Vcc
CH4
Vd
RV5
D+70 ADJ
RV2
RV6
D+5 ADJ
D+170 ADJ
Adjustment of
the Vd voltage
PH
CH2
Vs
9-3
Adjustment of
the Vs voltage
65