Pioneer G-5 Product Update Manual page 46

Outline of Power On Sequence for G-5 Series
REM
Sensor
Circuit
:Signal name for each line
1: Remote signal or key sginal is input to IF Ucom on AV board.
2: IF Ucom supplys power to Main Ucom on Main board and Module Ucom on D. Video board
3: IF Ucom communicates remote control (or KEY ) info to Main Ucom.
4: Main Ucom outputs starting up command to Module Ucom.
5: Module Ucom turns on power lines in panel by controlling relay on power supply board on panel.
6: Main Ucom turns on power lines in MR by controlling relay on power supply board on MR.
Side
Key
Ucom
46
MOD Ucom
Main Ucom
Power Supply
STB control
Power Supply
Relay control
Power Supply
Relay control