Repair manual

2-57
THEORY OF OPERATION
Figure 2-5. Monitor P.C. Board Simplified Block Diagram
Horizontal
Lineraity
Control
Horizontal
Output
Driver
Cathode
Driver
Horizontal
Controls
Horizontal
Processor
COS4
Controls
Luma
Processor
Vertical
Processor
Vertical
Controls
Luminance
Controls
Luma
Output
Drive
-130
H.V.
Transformer
(Flyback)
+7KV
+850
+35
Focus
Horizontal
Yoke
Vertical
Yoke
Anode
Cathode
CRT
Heater
Cathode
Driver
VDEFLECT
(Vertical Deflection)
LUMA_CTL
(Luminance)
MONHS
(HSYNC)
VIDEO
E1
E2
CRT
Anode
E3
E4
E5
E6
Each control listed in Table 2-12 is used in conjunction with the provided Digital
Palette Test Software (Test Diskette) for its applicable adjustment. Refer to the
Calibration and Adjustment Section in this Service Manual for a detailed
description on how each control is used in conjunction with the provided Test
Diskette.