CTX P922E, Service Manual

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Service Manual
P922E
5
2. INPUT REQUIREMENTS
2.1 Input Power
2.1.1. Power Source
2.1.2. Power Consumption
2.1.3. AC Line Drop Out
2.1.4. AC Wave Distortion
2.1.5. In-rush Current
2.1.6. Power Cord
2.1.7 DC Power cable
100 ~ 240 Vac, + -10%, 50/60 Hz (60W,3.0
ψ
plug to
monitor.)
Picture must not disappear while AC 100 V input drop out
(10ms, 100%)
10% max. permitted
50 A max at 240 Vac cold start
Detachable, 3P with ground type.
Detachable from display unit and captive with AC/DC
adapter.
2.2 Display Input
2.2.1. RGB Video
2.2.2 Sync Signal
Analogue, 0.0 to 0.7 V peak to peak
Separate RGB
Input impedance 75 Ohm
Positive polarity
Separate horizontal & vertical sync (3.3V & 5V)
Low level 0.8 V maximum
High level 2.0 V minimum
Positive or negative polarity
2.2.3 Analog Input Connection a. Detachable Mini D-sub 15 pin male in two ends signal
cable.
Normal operating
mode 1.Audio function and USB 2.0 module are operating at full
power
2.USB 2.0 module all ports aren’t connected to any device,
and the audio module is operating at full power.
3. USB 2.0 module all ports aren’t connected to any
device,and
the audio function is operating at no audio signal input.
≦
57W
≦
42W
≦
Power saving
mode 1. USB 2.0 module is operating at full power, the
number of active Ports is 4 with 0.5A per port. Audio
function is operating at full power.
2. USB 2.0 module all ports aren’t connected to any
device, audio function is operating at full power.
3. USB 2.0 module all ports aren’t connected to any
device, audio function is operating at no audio signal
input.
≦
22W
≦
9W
≦
5W
Power switch off 1. USB 2.0 module upstream port isn’t connected to PC or PC off.
≦
2W