Energy 220ws8fb/00, Service Manual

Page: 61 / 77

7. ELECTRICAL SPECIFICATION
7.1 Power Specification
7.1.1
AC-DC converter
Input voltage 90- 240 V
Frequency range 50/ 60
±
2 Hz
Inrush current Shall be less than the ratings of critical components
(including fuse, rectifiers and surge limiting device)
for all conditions of line in voltage.
Maximum power
consumption: <50W maximum, <45W ( typ.)
7.1.2 Power Management
Mode H-Sync V-Sync Color of
Power LED
Power Consumption Recovery
Time
On Active Active Green < 50 Watts --
Off Inactive Inactive Amber < 1 Watts < 3s
DC Power off LED off < 1 Watts
Remark: At first power on w/o signal LED will be orange bl message on screen.
7.2 Standard Test conditions
Unless otherwise specified, this specification is defined under the following conditions.
(1) Input signal : As defined in Timing table, 1680 x 1050
non-interlaced mode (1680X1050@60Hz 146.25MHz), signal
sources must have 75 ohm output impedance.
(2) Luminance setting : controls to be set to 300 nits with
full screen 100 % duty cycle white signal
(3) Warm up: more than 30 minutes after power on with signal supplied.
(4) Ambient light: 400 – 600 lux.
(5) Ambient temperature: 20 ± 5
°
C
7.3 Test equipment
‰
Personal computer with Windows 98/2000/XP
‰
Luminance meter Minolta CA110
‰
Videogenerator: Chroma 2000, 2135, 2250 or equivalent
‰
Colour analyzer: Minolta or Chroma
‰
10 times magnifier
‰
Ruler / Template
‰
Thickness gauge
‰
Watt / Power Meter
7.4 Video Generator test sequence
Will be defined by TVI or its subcontracted quality providers.
7.5 Analog input
Analog input R,G,B level: 0 - 850 mV max.
Polarity: positive, negative
Impedance: 75
Ω
± 1%
Sync: HV separate sync, composite sync,
61 220WS8 LCD