Service Manual
PA246Q
20
Pin
Signal Assignment
Pin
Signal Assignment
1
Lane0 P
11
Ground
2
Ground
12
Lane3 N
3
Lane0 N
13
Ground
4
Lane1 P
14
EDID WP
5
Ground
15
AUX_CH P
6
Lane1 N
16
Ground
7
Lane2 P
17
AUX_CH N
8
Ground
18
Hot Plug Detect
9
Lane2 N
19
Return
10
Lane3 P
20
DP_PWR
3.3 Input Video Signal Performance Requirement
Item
Condition
Spec
OK N.A Remark
Max. support Pixel rate
193.25 MHz
√
DVI only 165 MHz
Max. Resolution
1920 x 1200@60Hz
√
Rise time + Fall time
(for D-sub input)
< 2.509 ns
(50% of minimum pixel
clock period)
√
1920x1200 @ 60Hz
(max. support timing)
Settling Time after
overshoot /undershoot
< 5% final full-scale value
√
Refer to VESA VSIS
Standard V1R1
Overshoot/Undershoot
< 12% of step function
voltage level over the full
voltage range
√
Refer to VESA VSIS
Standard V1R1
3.4 Scan range
Item
Condition
Spec
OK N.A Remark
Horizontal
31 ~ 83 KHz
√
Vertical
50 ~ 76 Hz
√
Without Frame buffer
3.5 Plug & Play DDC2B Support
Item
Condition
Spec
OK N.A Remark
DDC channel type
DDC2B / DDC-CI
√
Refer to Q212 S/W
spec document to see
the detailed DDC-CI
command list.
EDID
Version 1.3
√
Refer to Rebel Q212
S/W spec document
to see the detailed
EDID data definition.
Summary of Contents for PA246Q
Page 8: ...Service Manual PA246Q 11 2 8 User s hardware control definition ...
Page 22: ...Service Manual PA246Q 25 5 Schematic Diagram 5 1 Power Board ...
Page 23: ...Service Manual PA246Q 26 5 2 Control Board ...
Page 24: ...Service Manual PA246Q 27 5 3 Interface Board ...
Page 25: ...Service Manual PA246Q 28 ...
Page 26: ...Service Manual PA246Q 29 ...
Page 27: ...Service Manual PA246Q 30 ...
Page 28: ...Service Manual PA246Q 31 ...
Page 29: ...Service Manual PA246Q 32 6 PCB layout 6 1 Power Board ...
Page 30: ...Service Manual PA246Q 33 6 2 Control Board 6 3 Interface Board ...
Page 35: ...Service Manual PA246Q 54 11 3 Check Scalar ...
Page 36: ...Service Manual PA246Q 55 11 4 Check LCD Module ...
Page 40: ...Service Manual PA246Q 59 11 8 Check PFC Function ...
Page 41: ...Service Manual PA246Q 60 12 Exploded View ...
Page 42: ...Service Manual PA246Q 61 ...
Page 45: ...Service Manual PA246Q 64 Photos of Recommended Parts List 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...