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45
CIRCUIT
DESCRIPTION
Off
Power On/Off
ZP-94/95 SERIES "POWER ON & OFF" DIAGRAM
I001
Microprocessor
53
PQS1
8
R958
D946
To Gate of Q914
(Shutdown SCR)
R959
6 Shutdown
Inputs,
Active Low
Power
On/Off
+28V
C948
SW+5V
Sub Power PWB
Signal PWB
RP36
CP44
HVcc
C964
Power/Deflection PWB
I701
H Drive IC
15
8
Def.B+
Hoz. Out
Signal Sub PWB
C544
2.5V
I907
SW+5V
Reg IC
5
1
I908
SW+12V
Reg IC
1
5
2
2
3
3
VDD
5V
L004
Q026
R029
D034
1
C074
STBY+5V
3.3V
3.9V
61
54
Reset
I006
Reset
2
3
1
SBY11V
3.3V
3.3V
C032
R053
I905
STY+7V
2
D035
Q002
I008
STBY
+5V
1
3
2
SYB
+7V
PQS2
D928
D948
SW+12V
R949
R950
+28V
D947
PQD2
1
DP21
RP38
RP37
QP04
DP35
DP36
3
L701
I906
STY+11V
2
2
3
Q909
Q908
R957
D945
Q903
R951
Off
On
On
C949
C075