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D BOARD POWER SUPPLY SECTION
Power Supply Electrical Circuit
Operation Modes
AC Input
Degauss Circuit
Primary Circuitry
Operation Modes
Mode
Off
Active Off
Active On
Failure 1
Failure 2
Failure 3
Aging/Self Test
CIRCUIT DESCRIPTION
Secondary Circuitry
Protection Circuits
Troubleshooting
USB/Audio Power Circuit
Syncs
N/A
No H and/or V
Low Power, Heater Off
H and V Present
Phase Locked, Normal Operation
N/A
N/A
H Stop, V Stop, S Cap Failure
N/A
No H and V
Aging Raster or Test Pattern
Output
Off
180V (B+)
0V
80V
0V
+15V
0V
-15V
0V
+12V
0V
5V
0V
Heater
0V
STBY 5V
0V
Condition
Power Switch Off
HV Failure
ABL Failure
Active Off
Active On
+13V
+6V
+1V
-1V
0V
0V
0V
+5V
-
-
2
LED
Off
Amber
Green
Amber 0.5s<-->Off 0.5s
Amber 1.5s<-->Off 0.5s
Amber 0.5s<-->Off 1.5s
Amber 0.5s<-->Off 0.5s
Green 0.5s<-->Off 0.5s
Amber 0.5s<-->Off 0.5s
+179V
+79V
+15V
-15V
+12V
+5V
+6.3V
+5V
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