Pioneer PDP-5000EX - Power down; Block Diagram of the Power-Down Siganal

PDP-5000EX
81
5678
56
7
8
C
D
F
A
B
E
5.2 POWER DOWN
5.2.1 BLOCK DIAGRAM OF THE POWER-DOWN SIGANAL
SS
to
OR
to
OR
DRF_SW
FHD ADDRESS A ASSY
FHD DIGITAL ASSY
FHD POWER SUPPLY ASSY
FHD ADDRESS B ASSY
FHD X-DRIVE ASSY
FHD 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_PD1
DRF_B
PD_MUTE
PS_PD
EXT_PD
PD
PD_TRIGGER
D19D19
IC3705IC3705
IC3703IC3703
D3702D3702 D3706D3706
D3601D3601
D3 to D14
D16D16
D15D15
Y1Y1
X1X1
AD1AD1
AD1AD1
D3608D3608
Block diagram of the power-down siganal
Note: The figures 2 to - indicate the number of times the LED flashes when power-down occurs in the corresponding route.