PDP-6071PU
103
5678
56
7
8
C
D
F
A
B
E
5.2 POWER DOWN
5.2.1 BLOCK DIAGRAM OF THE POWER-DOWN SIGNAL
Block Diagram of the Power-Down Signal
Block Diagram of the Power-Down Signal
SS
OR
ADDRESS ASSY
DIGITAL ASSY
POWER SUPPLY UNIT
X DRIVE ASSY
Y DRIVE ASSY
Relay
Control
Protection
Circuit
Module Microcomputer
PD
MUTE
Circuit
YSUSTN_PD
YDD_CNV_PD
YDRIVE_PD
SCN5V_PD
SCAN_PD
XDRIVE_PD
XDD_CNV_PD
XSUSTN_PD
ADR_PD
DRF_B
PD_MUTE
PS_PD
EXT_PD
PD
PD_TRG_B
D21
P4
IC3155
IC3151
D3151
to
D3162
D3501
to
D3504
D5 to D8
D16 to D19
D9
D10
Y1Y1
X1X1
AD1AD1
Note:
The figures 2 to - indicate the number of
times the LED flashes when power-down
occurs in the corresponding route.
OR