Pioneer PDP-5010FD

PDP-5010FD
63
5678
56
7
8
C
D
F
A
B
E
5.3 DIAGNOSIS OF PD (POWER-DOWN)
5.3.1 BLOCK DIAGRAM OF THE POWER-DOWN SIGNAL
Block Diagram of the Power-Down Signal
S
S
S
OR
ADDRESS S ASSY
DIGITAL ASSY
POWER SUPPLY UNIT
X DRIVE ASSY
Y DRIVE ASSY
Relay
Control
Protection Circuit
Module Microcomputer
PD
MUTE Circuit
YSUS_PD
YDD_PD
YDRV_PD
SCN5V_PD
SCAN_PD
XDRV_PD
XDD_PD
XSUS_PD
ADR_PD1
DIGI_DCDC_PD
DRF_SW
DRF_SW
PD_MUTE_B
PS_PD
EXT_PD
PD_TRIG_B
D23
IC3604
12
IC3801
DCDC
Converter
IC3601
D3601
to
D3605, D3608,
D3612
D3501
to
D3504
D13 to D20
D22 D21
Y1Y1 X1
AD1AD1
Note: The figures  to  indicate the number of times the LED flashes when power-down occurs in the corresponding route.
OR
S
S
ADDRESS L ASSY
AD1AD1