CTX PV722E, Service Manual

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Service Manual
PV722i/PV722E
-13-
2. INPUT REQUIREMENTS
2.1 Input Power
2.1.1. Power Source
2.1.2. Power Consumption
For PV722E model (Audio + USB)
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,2.5
ψ
plug to monitor;
1.7
ψ
plug to USB hub)
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. Analog Input RGB Video
2.2.1.1 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
Analog Input Connection a. Detachable Mini D-sub 15 pin male in two ends signal
Normal operating mode 1.Audio Module and USB Hub are operating at full power
2.USB Hub all ports aren
’
t connected to any device, and
the audio module is operating at full power.
3. USB Hub all ports aren
’
t connected to any device,and
the audio module is operating at no audio signal input
≦
57W
≦
44W
≦
40W
Power saving mode 1. USB Hub is operating at full power, the number of active
Ports is 4 with 0.5A per port. Audio module is operating
At full power.
2. USB Hub all ports aren
’
t connected to any device, audio
module is operating at full power.
3. USB Hub all ports aren
’
t connected to any device, audio
module is operating at no audio signal input.
≦
25W
≦
9W
≦
4W
Power switch off 1. USB Hub upstream port isn
’
t connected to PC or PC off. ≦
2W