Synchronization Signals - Hyundai HQL320WR Service Manual

Hyundai ImageQuest LCD TV HQL260WR/320WR
NTSC/PAL/
AUDIO
1-10 DISTORTION
RESPONSE
AUDIO
FREQ.
1-11
RES-
PONSE
AUDIO OUTPUT
1-12
LEVEL
7.7 Analog R.G.B Input (PC)
The input signal shall be applied to the display device through a signal cable, which must be
intended as part of the monitor. A signal connector shall be a shielded 15pin D- Sub connector and
signal cable shall be Black or White, 1.50±0.05 meter long.
The interfacing method described above requires 7 input lines :
1 - Red
2 - Green
3 - Blue
4 - H Sync
5 - V Sync
6 - SDA
7 - SCL
The reference video controller (the device used for adjustment and test) will guarantee the
performances described below (measured on the output connector).
- Video signals on 75 ohm termination to the ground
Red, Green & Blue Video (refer to Fig.3.1)
Level : 0 to 0.7 Vp-p
2.74mV
Blanking

- Synchronization signals

Polarity : Positive or Negative
* This monitor shall not be damaged by improper sync timing and pulse duration, absence of sync,
or abnormal input amplitude (video and/or sync too large too small).
7.7.1
Timing
This monitor shall be capable of displaying following video timing chart.
- 0.6
50Hz
- 3 0
10KHz - 4 - 1
0.3 .06
(red video)
(green video)
(blue video)
(horizontal synchronization)
(vertical synchronization)
Polarity : Positive
Fig. 3.1 - Video Signal
* 1KHz±50KHz Dev.
* Standard Color Bar : 87.5% Mod.
3.5 %
* De-emphasis ON
* 50Hz ~ 10KHz
+ 3
1KHz±50KHz Dev
*
dB
*Standard Color Bar
+ 3
* De-emphasis ON
1KHz±50KHz Dev
*
.08 Vrms
* Standard Color Bar : 87.5% Mod.
700mV
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