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RY32
RY35
ABL
CY21
DY01
Signal PWB
PPD1
RH30
11
ABL Cont
RH40
ABL switches QH03 slightly reduce the
overall operational point of ABL due
to the loss of overall brightness levels.
PDS2
ABL
3
DP-4X Chassis A.B.L. Circuit Diagram
QY09
SW +9.3V
RY48
RY44
CY22
RY49
SW +115V
RH29 120K
QH03
ABL Switch
RH35
2.2K
Clamp
As Brightness goes Up, ABL Voltage
goes Down. (Inverse Proportional)
75
Rainforest
DY02
RY58
ABL
78
CY25
CY24
Deflection PWB
RH27 30K
To QH01
Collector of High Voltage
Output Transistor
RH27 & RH28
ABL Pull-Up
Resistors
RH28 39K
[ Current Path ]
Sw +10V
DH16
RD30EB4
6.8K
RH31
CH18
Sub Deflection PWB
IY04
IC
29
SDA2
SCL2
30
FBT
LH06
TH01
DH13
B+
7
50P
9
RH23
1 Gnd
C
To
10
Anodes
To Focus
ABL
8
LH01
CH14
CH21
RH21
RH25 18K
RH32
180K
RH24
DH15
43K
HZ22-2L
IB01
SDA
13
SCL
14
2
Center DAC
CH17
Stops
H. Drive
IH01
OVP
7
DH14
RH26
RH09 CH10
XRay Protect
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