Timing Chart - LG STUDIOWORKS 77M Service Manual

VIDEO
SYNC
MODE
MARK
Sync Polarity
H
O
Frequency
kHz
R
Total Period
µs
I
Z
Video Active Time
µs
O
Blanking Time
µs
N
T
Front Porch
µs
A
Sync Duration
µs
L
Back Porch
µs
Sync Polarity
Frequency
V
Hz
E
Total Period
ms
R
Video Active Time
T
ms
I
Blanking Time
ms
C
Front Porch
A
ms
L
Sync Duration
ms
Back Porch
ms
Resolution
Recall
* Mode 1~Mode 4: Basic Mode

TIMING CHART

B
C
F
D
MODE 1 MODE 2 MODE 3
+
— +
37.50 46.88 53.68
26.67 21.33 18.63
E
A 20.32 16.16 14.22
6.35 5.17 4.41
B
C 0.51 0.32 0.57
D 2.03 1.62 1.14
F 3.81 3.23 2.70
— + +
74.99 75.01 85.07
E 13.335 13.331 11.755
A 12.802 12.798 11.178
B 0.533 0.533 0.577
0.026 0.021 0.018
C
D 0.080 0.064 0.056
0.427 0.448 0.503
F
640 800 800
x x x
480 600 600
75Hz 75Hz 85Hz
Yes Yes Yes
(Mode 5~Mode 11: Default Mode)
A
E
FACTORY PRESET MODE
MODE 4 MODE 5 MODE 6
+ — —
68.677 31.47 31.47
14.561 31.78 31.78
10.836 25.42 25.42
3.725 6.36 6.36
0.508 0.64 0.64
1.016 3.81 3.81
2.201 1.91 1.91
+ + —
85.00 70.08 59.94
11.764 14.269 16.684
11.182 12.712 15.254
0.582 1.557 1.430
0.014 0.414 0.318
0.044 0.063 0.063
0.524 1.080 1.049
1024 640 640
x x x
768 400 480
85Hz 70Hz 60Hz
Yes Yes Yes
MODE 7 MODE 8 MODE 9
— — —
37.88 43.27 49.75
26.40 23.11 20.10
20.00 17.78 14.52
6.40 5.33 5.58
1.00 0.89 0.55
3.20 1.33 1.12
2.20 3.11 3.91
+ — —
60.32 85.01 74.95
16.579 11.763 13.407
15.840 11.093 12.542
0.739 0.670 0.865
0.026 0.023 0.021
0.106 0.069 0.060
0.607 0.578 0.784
800 640 832
x x x
600 480 624
60Hz 85Hz 75Hz
Yes Yes Yes
MODE 10 MODE 11
+ +
60.02 63.98
16.66 15.63
13.00 11.85
3.66 3.78
0.20 0.44
1.22 1.04
2.24 2.30
+ +
75.03 60.02
13.328 16.661
12.795 16.005
0.533 0.656
0.017 0.015
0.050 0.047
0.466 0.594
1024 1280
x x
768 1024
75Hz 60Hz
Yes Yes