Hitachi H972 Service Manual page 15

High resolution color display monitor
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Sync on Green
Sync
H/V Separate
Priority
or
Control
Composite Sync
H/V sync
Front
Keys
DDC
Video
Connector
FIG. 12 MICROPROCESSOR CIRCUIT
H/V sync
H/V sync
Polarity
Detect
H.sync
V Sync
Separator
V.sync
Sync Processor
Central
Processing
Unit
ROM
RAM
port
Selector
H/V
Dummy
Sync
Generator
H/V
Frequency
Counter
DAC
I101
I102
EEPROM
Microprocessor Circuit
 15 
1.H/V Size
2.H/V Position
3.Pincushon
4.Trapezoid
Deflection
5.Pin.Balance
6.Parallelogram
7.Top/Bottom corner Pin.
OSD
Video
Mute
Freq.
Select
Power
Save
Function
2
I
C BUS
Rotation Control
Horizontal
drive
correction
Moiré
8.H/V
9.Dynamic Focus
10.V.Linearity
11.V.L.Balance
12.Hemisphere
1.Contrast
2.Brightness
3.Color BKG R/G/B
4.Sub BKG
5.C-Contrast
6.ACL
1.Color Gain R/G/B
2 Sub Contrast
1.S-Fig. Cap select
2.LIN.Coil select
1.Main power supply
On/Off
2.CRT heater
On/Off
1.H.SIZEC
2.f
to V
H

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