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ZP94/95 STBY POWER SUPPLY (Low Voltage) SHUT-DOWN CIRCUIT
D902
R905
R906
AC
4
Vin
I901
R960
Power
IC
D944
R909
Q901
C910
R198
Sw +2.5V
D015
Sw +9V
D014
Sw +5V
D016
Sw +3.3V
Stby +3.3V
D032
Stby +5V
D007
Stby +9V
Stby +7V
Stby +11V
CIRCUIT DESCRIPTION
R908
D904
C907
D921
I903
4
R911
3
R910
Q905
PQS2
D957
Protect 1
Pin 10
D943
Sw +5V
D944
Sw +12V
Q903
On/Off
Off
On
PQS2
R014
D959
Protect 2
Pin 11
D955
D952
R968
R967
T901
D905
28V
8
11
C908
9
12
R945
D936 D935
D933 D932
1
2
C947
R955
D958
Q909
R960
R959
C949
D945
R957
On
Off
R958
+28V
D960
Q912
R960
R969
C956
D954
D956
D953
Sw +12V
Sw +5V
D941
Stby +11V
D938
Stby +7V
D946
Q908
D951
33
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