Pioneer PDP-435PG - DIAGNOSIS WITH THE AID OF FACTORY MODE; POWER-DOWN LOG (INFORMATION-PANEL PD); SHUTDOWN LOG (INFORMATION-PANEL SD)

PDP-435PE
61
5678
56
7
8
C
D
F
A
B
E
S5201
A
(
(
A
IC5214 IC5215
OR
OR
IC5401
IC4
DC-DC
CONVERTER
OR
AD1 AD1
D5 - D8 D9 -D12
X1
Y1
D14 D13
D1
SCAN_PD
YDRIVE_PD
YDD_CNV_PD
YSUS_PD
SCAN_5V_PD
XDRIVE_PD
XDD_CNV_PD
XSUS_PD
ADR_PD
PD_MUTE
PS_PD
PD
DCC_PD
PD_TRIGGER
P2
8 0 9 - 3 4 5 6 7
=
~
2
ADDRESS ASSY (upper)
DIGITAL VIDEO ASSY
ADDRESS ASSY (lower) X DRIVE ASSY Y DRIVE ASSY
POWER SUPPLY UNIT
IC5208
PD-MUTE
circuit
• Block diagram of the power-down signal system
Note: The figures 1 - = indicate the number of times the LED flashes on the panel when power-down occurs in the corresponding route.
Relay control
Protection
circuit
IC5201
module
microcomputer
Flashes in a case of power-down other than power-supply-related power-down (Red LED:D5201)
Flashes in a case of power-supply-related power-down (Orange LED: D158)