RN15
Prevents CRT Burn
DP-85 SWEEP & AC LOSS DETECTION CIRCUIT
DN01
DN02
12V
RN04
DN03
CN02
CN01
RN01
V. Blk.
24V P/P
H. Blk.
CN04
RN11
RN12
DN06
RN13
RN09
CN03
DN05
DN04
RN06
RN07
12V
RN08
DN09
DN11
CN05
11.6V P/P
12V
SPOT
RN02
RN03
RN05
RN10
DN10
Vertical
Blanking
From
Pin 9 I601
Horizontal
Blanking
From
Q755 Emitter
Page 04-03
QN05
QN03
QN04
QN02
QN01
IH02
13 Error Out
12 Error In
1
14 Reference
Feed Back
7 Drive
High Voltage
Driver IC
Q610
PSD
2
2
3
Cut Off
Stops High Voltage
Drive Signals From
being produced
during 13V start up
1 0 V P /
P
RN16
DN07
0V
RN17
CN06
DN08
RN18
ACK 5V
8.57V
8.57V
RN14
From I906 Pin 3
AC Photo Coupler
9.72V
QN06
RN17
I601
4
Non Invert
Input
5
Invert Input
Q601
Q602
Vertical
Output IC
R605
R602
Vert SAW
R604
5V
Spot Inhibit
From Pin 9
of Micro I001
QN07
Horz. 13V Loss/
Start Up Spot Killer
RH40
QH02
DN16
DN14
Stops Vertical Drive
during Cut Off
adjustment, I
2
C