PDP-436SXE
108
1
2
3
4
1
2
3
4
C
D
F
A
B
E
7.1.3 DIAGNOSIS OF PD (POWER-DOWN)
D15–D18
ADR_PD1
EXT_PD
PD
PS_PD
AD1
8
9
0
-
43 ADDRESS
ASSY
D3051
D3052
OR
43 XDRIVE
ASSY
43 YDRIVE
ASSY
X1
Y1
D19
D21
OB DIGITAL ASSY
Power Down Signal Block Diagram
POWER SUPPLY ASSY
XDRIVE_PD
XDD_CNV_PD
XSUSTN_PD
3
4
5
D20
SCAN_PD
PD_MUTE
OR
SCN5V_PD
YDRIVE_PD
6
7
2
YDD_CNV_PD
YSUSTN_PD
SQ_PD
~
IC3401
SQ_ASIC
IC3151
Module ucom
RELAY
Control
Protection
Circuit
IC3155
PD
MUTE
Circuit
PD_TRIGGER
Note:
The figures
1
-
~
indicate the number of times
the LED flashes when shutdown occurs in the
corresponding route.