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DP-4X CHASSIS POWER SUPPLY SW +115V REGULATION CIRCUIT DIAGRAM
PPD3
From Relay RY102
AC
3
1
AC Ground Side
-
+
CP03
CP04
+
-
4
-
Hot
3
2
Ground
+
1
DP01
FP01
Start Up
4Amp
RP03
QP01
D
G
S
S
G
QP02
D
DP02
TP01
9
7
CP07
Primary
2 of 2
TP01
11
DP34
10
CP45
15
Secondary
3 of 3
PROT_OVP
See PROT_OVP,
PROT_OCP Shut Down Diagram
Deflection Power Supply
TP01
43.3Vp/p
5
Primary
1 of 2
3
Floating Ground
Pin 12, 14, 15, 16
All 58.5Khz
162V
14
F/B
Vc1
309V
18
VD
P Gnd
155V
16
VG (H)
Gnd
4.87V
VG (L)
12
151V
15
VS
0V
9
OCP
IP01
RP14
Driver IC
R911, 12, 13
0.22 Ohm
RP34
QP05
0.39 Ohm
RP36
CP46
DP36
DP37
DP38
CP20
42.5Vp/p
RP16
DP04
Run
RP19
1.83V
2
20.3V
8
CP13
0V
11
0V
5
1
2.53V
3
2.27V
4
2.52V
6
4.46V
B+ 115V
7
19V
10 10.3V
EP02
2 Amp
Deflection
RP35
B+ 115V
RP38
DP39
RP39
DP40
58.5Khz
Regulator
Photocoupler
IP02
4
FB
3
IP03
1
6
5
7
Regulator
LP37 0.85A
Hot Ground from pin 4 of
Bridge Rectifier DP01
Cold Ground from
pin 15 of TP01
SW +7V
RP30
1
RP31
2
RP32
CP47
DP35
CP48
SW +115V
PAGE 01-18
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