Pioneer PDP4360HD Product Training Manual page 33

Assumed symptom from PD mode
Blinking PD circuit Check portion
2 Power PD Power Supply
Scan Ass'y
Y Drive Assy
3 SCAN PD
X Drive Assy
SCAN Ass'y
4 IC5V PD
Y Drive Assy
5 Y-DRIVE PD
6 Y DCDC PD Y Drive Assy
7 Y SUS PD Y Drive Assy
8 Address PD Address Assy
9 X-DRIVE PD X Drive Assy
10 X DCDC PD X Drive Assy
11 X SUS PD X Drive Assy
Main symptom
Short between VH and GNDH, Scan IC
Malfunction of DC/DC converter, for VH
Short between VSUS, SUSOUT, or SUSGND, Mask
Module
Disconnect connector between Y Drive and Power
Supply, or Digital Assy.
Short between VSUS, SUSOUT, or SUSGND, Mask
Module
Short between IC5V and GNDH, Scan IC
Disconnect bridge connector, between Scan Assy and
Y Drive,
R2352 open （16.5V line resistor)
Malfunction of DC/DC converter, for IC5V
Delete detection circuit
Short between PSUS and MSKS, Mask Module
Short between MSKS and SUSOUT, Mask Module
Malfunction of DC/DC converter, for VOFS
Malfunction of Regulator of Vprst
Malfunction of DK module
Control signal line problem
Disconnect Flexible cable, between Digital Assy and X
Drive
Disconnect connector between X Drive and Power
Supply
Malfunction of DC/DC converter, for VRN
R1204 open （16.5V line resistor)
Malfunction of DK module
Control signal line problem
33
Remarks
PD with panel briefly flashing
PD with panel briefly flashing
PD without panel flashing
PD without panel flashing
PD without panel flashing
PD without panel flashing
PD with panel briefly flashing
PD without panel flashing