Pioneer PDP-4270XA Service Manual page 96

1
A
X Drive PD system
Resonance center
electric potential
16.5V
B
VRN
VF15V
C
Y Drive PD system
Resonance center
electric potential
IC5V
D
SCAN bridge (upper)
connector disconnection
detection
SCAN bridge (lower)
connector disconnection
detection
VOFS
E
VPrst
VH
F
96
1
2
Reference voltage
comparison
Increase or decrease
voltage detection
Operation detection
(Increase or decrease
voltage detection)
Reference voltage
comparison
Increase or decrease
voltage detection
Voltage
detection
Increase or decrease
voltage detection
Overvoltage
detection
Increase or decrease
voltage detection
PDP-427XD
2
3
XSUS_PD
XDRIVE_PD
Detects disconnection
of flexible cables.
XDD_PD
YSUS_PD
SCN5V_PD
Y_DD_PD
SCAN_PD
3
4
4