LG 27UL600 Service Manual page 4

2. Signal Timing (Resolution)
2.1. Signal (Video & Sync)
V i d e o
S y n c
6.1.1 Signal (Video & Sync) – DisplayPort/USB-C
DOT
Mode section polarity CLOCK
[MHz]
H(Pixels) -
1 25.175
V(Lines) -
H(Pixels) +
2 40
V(Lines) +
H(Pixels) -
3 65
V(Lines) -
H(Pixels) +
4 79.99
V(Lines) +
H(Pixels) +
5 74.250
V(Lines) +
H(Pixels) -
6 83.5
V(Lines) +
H(Pixels) +
7 108
V(Lines) +
H(Pixels) +
8 108.00
V(Lines) +
H(Pixels) +
9 148.5
V(Lines) -
H(Pixels) +
10 277.25
V(Lines) -
H(Pixels) +
11 241.50
V(Lines) -
H(Pixels) +
12 266.64
V(Lines) -
H(Pixels) +
13 533
V(Lines) -
13)  Recommended Timing

C
D E F
Frequency Total Display
[kHz]/[Hz] Period(E) (A)
31.469 800 640
59.94 525 480
37.879 1056 800
60.317 628 600
48.363 1344 1024
60 806 768
54.347 1472 1152
60.05 905 864
45.00 1650 1280
60.00 750 720
49.702 1680 1280
59.810 831 800
63.981 1688 1280
60.02 1066 1024
60.00 1800 1600
60.00 1000 900
67.5 2200 1920
60 1125 1080
133.32 2080 1920
60 2222 2160
88.79 2720 2560
59.95 1481 1440
66.66 4000 3840
30 2222 2160
133.32 4000 3840
60 2222 2160
B
A
Front Sync. Back
Resolution
Porch(D) (C) Porch(B)
16 96 48
640 x 480
10 2 33
40 128 88
800 x 600
1 4 23
24 136 160
1024 x 768
3 6 29
32 96 192
1152 x 864
1 3 37
110 40 220
1280 x 720
5 5 20
72 128 200
1280 x 800
3 6 22
48 112 248
1280 x 1024
1 3 38
24 80 96
1600 x 900
1 3 96
88 44 148
1920 x 1080
4 5 36
48 32 160
1920 x 2160
54 5 3
48 32 80
2560 x 1440
3 5 33
8 144 8
3840 x 2160
54 5 3
8 144 8
3840 x 2160
54 5 3
Measurement Result Remark
PC : Display
Checked
Resolution
Information
Checked
Checked
Checked
Checked
Checked
Checked
Checked
Checked
Not support
Checked
Checked
Checked