PDP-427XD
168
1
2
3
4
1
2
3
4
C
D
F
A
B
E
10.6 PROCESSING IN ABNORMALITY
Power supply and DC-DC converter
SW_REG
POWER
SW
DC/DC Converter
MODULE_Ucom
Inverter
RST4
RST3
PSW1
RST2
ACTIVE
AC shutdown
detection
Voltage
detection
Voltage
detection
DC_DC Converter
output control
PON/POFF
Command
Startup
Main ucom
Command
MAIN_UCOM
V+12V
IF_UCOM
POWER SUPPLY Unit
DIGITAL ASSY
MAIN Assy
Circuit diagram
Specifications for port monitoring
Port Name
SD/PD Indication Assigned Pin
Active
A_NG_B
AUDIO
Shutdown with L
Specifications for port monitoring
Port Name
SD/PD Indication Assigned Pin
Active
RST2
ASIC power
Shutdown with L
RST3
AC power
AC_OFF with H
RST4
MAIN power
Shutdown with L
Speaker short-circuit
A_NG_B
A_NG_B
MAIN_UCOM
PULL_D
PULL_U
V+3.3V_D
V+3.3V_UCOM
V+5.1V
RELAY
PULL_U
MAIN Assy
AUDIO Assy
POWER
AMP IC
Circuit diagram
V+12V
PULL_D
PULL_U