Product Safety Notice; Specifications - Hitachi H972 Service Manual

High resolution color display monitor
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PRODUCT SAFETY NOTICE

Many electrical mechanical parts in the color monitor
units have special safety related characteristics.
These are often not evident from visual inspection nor
can the protection afforded by them necessarily be
obtained by using replacement components rated for
higher voltage, wattage, etc. Replacement parts which
have these special safety characteristics are identified in
this Service Manual.
Electrical components having such features are identified
by marking with
on the schematics and on the parts
list in this Service Manual.
The use of a substitute replacement component which
does not have the same safety characteristics as the
manufacturer recommended replacement one, shown in
the parts list in this Service Manual, may create shock,
fire, X-radiation, or other hazards.
Productions are issued from time to time. For the latest
information, always consult this Service Manual.

SPECIFICATIONS

Model Name
Destination
Rated Voltage
Power Consumption
Color Display Tube
(CDT)
Horizontal
Rated
Frequency Vertical
Resolution Horizontal
Vertical
Signal Inputs
User Controls
Environmental
Condition
Dimensions
Weight
CM771U
CM771ET
North America
AC 100-120 / 200-240 V, Automatically select.
Provided with Power Circuit.
19 inches diagonal, 0.22 mm horizontal dot pitch,
Invar shadow mask, Black matrix, Anti-Reflection coat, Short persistence phosphors.
31 - 96 kHz
31 - 96 kHz
Up to 1600 dots
Up to 1600 dots
Up to 1280 lines
Up to 1280 lines
Red, Green and Blue analog video
H/V separate, H/V composite or Sync. on Green sync.
Power Switch
Rotation
Degauss
Pincushion
Language Select
Trapezoid
Contrast
Pin.Balance
Brightness
Parallelogram
H. Position
H. Moiré
H. Size
V. Moiré
V. Position
Color Select
V. Size
Red, Green, Blue
Temperature
:
Humidity
:
448(W)  442 (H)  450 (D) mm, Including Tilt & Swivel base.
24.0 kg
DC VOLT METER
(10 V range)
V
To
CHASSIS
GROUND
FIG. 2 CHECKING CIRCUIT USING JIG
CM772U
Europe
North America
98 W nominal
31 - 106 kHz
50 - 160 Hz
Up to 1600 dots
Up to 1280 lines
DMS Mode
OSD H-Position
OSD V-Position
Dynamic Focus
V.Linearity
V.L. Balance
Hemisphere
Total Reset
Single Recall
Operation
5  to 35 
10 % to 80 %
 3 
R793
R792
DEF BOARD ASSEMBLY
CM772ET
Europe
31 - 106 kHz
Up to 1600 dots
Up to 1280 lines
Top Corner Pin.
Bottom Corner Pin.
Storage
20  to 60 
10 % to 90 %
VARIABLE
RESISTER
300 k -B (1/2 W)
Clockwise
RESISTER
68 k (1/2W)

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