Pioneer PRO-141FD Service Manual page 86

1
A
Power supply and DC-DC converter
Circuit configuration
POWER SUPPLY Unit
MAIN
POWER
SW
B
SW_REG
OR
MODULE_Ucom
DIGITAL ASSY
C
Specifications for port monitoring
Port Name SD/PD Indication Determination Condition
DC_IN Failure in Power
D
E
F
86
1
2
MAIN Assy
MSW_DET
AC_DET
V+6.5V
DC/DC Converter
RELAY1
Shutdown occurs when the signal
is "L."
for 27 sec after Power is turned
ON.
2
3
Command
Monitoring Conditions
• Panel screen ON
PRO-141FD
3
4
MAIN_UCOM
POWER SW
detection
AC shutdown
detection
DC_IN
DD converter
output monitor
RELAY
PON/POFF
Command
Operation
Shutdown occurs immediately
Blue LED flashes 13 times
4