Dc To Dc Converter Startup - Pioneer PDP-R03U Training Manual

DC to DC Converter Startup

Main Power Supply
10 volt supply to DC to DC Converter
AC In
Always on backup 5 volts
Relay
Driver
Q705
5 volt input
From system
Connector
SMPOW
Pin 5
SMPOW
SCL/SDA
10v
5v
SR
UP
5v
System
Connector
Pin 15
On Main
On Dc to Dc
150ms
Converter
Main Unit
DC to DC
Converter
IC1503
Expander IC
SCL
SDA
Main CPU
IC1
+2.5v
+3.3v
+5v
+5v
-5v
+35v
-12v
+9v
+8v
+5v CCKM
System
Connector
Pin 7
36.