Signal Interface - BenQ Q7T4-FP71G Service Manual

Q7T4-FP71G LCD Monitor Service Guide
Item
Input Voltage range
Input Current range
Power Consumption
DPMS
Inrush Current
Earth Leakage Current
Hi-Pot
Power Line Transient
CCFL operation range
CCFL Frequency
Power cord

2.2 Signal interface

Item
Signal Cable
Pin assignment
Video input
Sync input
Note-1: The pin assignment of 15-pin D-sub connector is as below,
Condition
Universal input full range
90 ~ 264VAC
Normal "On" operation
DPMS "Off" state
110 VAC
220 VAC
264 VAC/50Hz
1. 1500VAC, 1 sec
2. Ground test: 30A, 1sec
IEC1000-4-4
IEC1000-4-5 (Surge)
90 ~ 264VAC
90 ~ 264VAC
Condition
15-pin D-Sub
24-pin DVI-D
15-pin D-sub connector
24-pin DVI-D connector
Signal type
Level
Impedance
Signal type
Level
Impedance
Sync Pulse Width (SPW)
1
6
11
Confidential
Engineering Specification
Spec
90~264VAC /47~63Hz
< 2.0 Arms
< 40 W
< 1 W in power preferred
mode, 115V
< 2 W, 230V
< 30 A (peak)
< 60 A (peak)
< 3.5 mA
Without damage
< 0.1 ohm
1KV
Common: 2KV,
Differential: 1KV
3 mA ~8mA
40KHz ~ 80KHz
Color: Black
+/- 5
Length: 1500 0 mm
Spec
Color: Black
+/-
Length: 1500 30 mm
Color: Black
+/-
Length: 2000 50 mm
See Note-1
See Note-2
Separate analog R/G/B
700 mV (peak to peak)
75 Ohms +/- 1.5 Ohms
Separate H/V-sync
Composite H/V-sync
(Positive/Negative)
Logic High: 2.4V ~ 5.5V
Logic Low: 0V ~ 0.5V
(TTL level)
Minimum 2.2K Ω(pull down)
0.7 μ s < H-SPW
1H < V-SPW
5
10
15
OK N.A Remark
√
√
√
LED: Green
√
LED: Amber
√
Cold-start
√
(on-line test)
√
(in-lab test)
√
√
Panel Spec.
√
3.0 ~ 8.0mA rms
Panel Spec.
√
40KHz ~ 80KHz
√
OK N.A Remark
√
√
√
For 15-pin D-sub
√
For 24-pin DVI-D
√
For 15-pin D-sub
√
√
√
For 15-pin D-sub
Refer to VESA VSIS
√
Standard V1R1
√
Ω
10K for application
√
4