Power Mode Circuit Activity - Sony CPD-G400 Training Manual

Power Mode Circuit Activity

The front panel combination green/orange LED identifies the lack of H or V sync input. The monitor power operating modes relating to the circuitry is
summarized this chart:
Power Mode Power
after one Indicators *
minute
1. Normal Green ON
2. Standby Green = ON
Orange =
blinks
3. Suspend Green = ON
Orange = ON
4. Active Green = ON
Off
Orange = ON
Monitor Mode Details
AC Power Video
Consumption * Blanking
140W (1.16A.) Unblanked
Nominal. Surge
to 6 amps.
15W (0.115 A. Blanked
measured)
15W (0.115 A. Blanked
measured)
3W (0.052 A. Blanked
measured)
11
Main CRT Surge Resistor
Power Heater Bypass Relay
Supply
IC610 RY602
Active Active Relay energized.
Resistor
bypassed.
Active Active Relay energized.
Resistor
bypassed.
Active Active Relay energized.
Resistor
bypassed.
Bursts OFF Relay OFF
only
5V Standby IC1001
Regulator 5V
CPU input
IC605 IC609
Regulator Active H & V input
ON sync.
Regulator Active No H sync
OFF input.
Regulator Active No Vertical
OFF Sync input.
Regulator Active No Vertical or
OFF Horizontal Sync.