Pioneer PDP-427XD - DIAGNOSIS OF PD (POWER-DOWN); 5.2.1 POWER-DOWN SIGNAL BLOCK DIAGRAM

PDP-427XD
93
5678
56
7
8
C
D
F
A
B
E
5.2 DIAGNOSIS OF PD (POWER-DOWN)
5.2.1 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
IC3155
IC3151
D3151
to
D3162
D3501
to
D3502
D15 to D18
D19
D20
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