Hitachi 61HDX98B Manual page 29

DP-85 DEFLECTION POWER SUPPLY SHUTDOWN
IP01
ShutDown Pin (7)
on Power Supply
Driver &
Output IC
220V Short Det.
Heater
Short Det.
13V
Short Det.
28V Short Det.
BLOCK DIAGRAM
Deflection B+ (130V)
Excessive Current Det.
QP05
IP06
ShutDown
Photocoupler
S.C.R.
QP06
DP25
Heater Too
High Det.
-M13V
Loss Det.
-M28V
Loss Det
Deflection
Transformer
Failure Det.
Side Pin
Failure Low
Det.
Deflection B+ (130V)
Excessive Voltage Det.
DP23
DP34
X-RAY
PROTECT
Flyback
Excessive
Current Det.
Heater Loss
Det.
Side Pin
Failure High
Det.
Q754
Excessive
High Voltage
Det.
High Voltage
Stability Too
High Det.
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