Service manual
Schematic Diagrams
B - 28 DP Switch SN75DP128
B.Schematic Diagrams
DP Switch SN75DP128
DP_D_AUX
DP_D_AUX#
DP_D_AUX21
DP_D_AUX#21
C901
0.1u_16V_Y5V_04
C902
0.1u_16V_Y5V_04
BRIGHTNESS25,28
C899
0.1u_16V_Y5V_04
5VS
HDMI_S121,24
R694
6.49K_1%_04
J_3DLCD1
*88242-3001
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21
23
25
27
29
22
24
26
28
30
EDP_D0
EDP_D0#
EDP_D1
EDP_D1#
EDP_D2#
EDP_D2
EDP_D3
EDP_D3#
R693 10K_04
5VS
EDP_AUX#
EDP_AUX
3VS7..9,12,13,15..26,28,30..34,36,37,40,41
LEDPL_VIN25
LCDVCC25
3VS
EDP_HPD
PANEL_EN
PANEL_EN25
LCDVCC
BRIGHTNESS
LEDPL_VIN
C9000.1u_16V_Y5V_04
HDMI_D1 24
HDMI_D#0 24
HDMI_D0 24
HDMI_D2 24
HDMI_D#1 24
HDMI_DCLK# 24
HDMI_DCLK 24
HDMI_D#2 24
HDMI_DHPD 24
HDMI_D_SDA 24
HDMI_D_SCL 24
5VS
FOR 3D PANEL
DP
PORTB
DP
PORTA
U58
SN75DP128
AUX(P)
36
AUX(N)
35
GND
5
LP#
30
VDD
2
GND
11
VDD
8
GND
20
DPVadj
1
ML_IN0(P)
3
ML_IN0(N)
4
VDD
14
ML_IN1(P)
6
ML_IN1(N)
7
GND
27
ML_IN2(P)
9
ML_IN2(N)
10
VDD
17
ML_IN3(P)
12
ML_IN3(N)
13
GND
42
HPD
37
CAD
39
Priority
29
HPD_A
40
AUX_A(N)
43
AUX_A(P)
45
ML_A3(N)
46
ML_A3(P)
47
VDD
23
ML_A2(N)
49
ML_A2(P)
50
GND
44
ML_A1(N)
52
ML_A1(P)
53
VDD
34
ML_A0(N)
55
ML_A0(P)
56
VDD*1
38
HPD_B
32
AUX_B(N)
26
AUX_B(P)
28
ML_B3(N)
15
ML_B3(P)
16
VDD
48
ML_B2(N)
18
ML_B2(P)
19
GND
51
ML_B1(N)
21
ML_B1(P)
22
VDD
54
ML_B0(N)
24
ML_B0(P)
25
CAD_A
41
CAD_B
33
GND
31
HDMI_D0
HDMI_D#0
HDMI_D1
HDMI_D#1
HDMI_D2
HDMI_D#2
5VS12,17,18,21..24,26,31..34,36,41
HDMI_DCLK
NC7 *NC_04
HDMI_DCLK#
HDMI_D_SCL
HDMI_D_SDA
HDMI_DHPD
EDP_D0
EDP_D0#
EDP_D1
EDP_D1#
EDP_D2
EDP_D2#
EDP_D3
EDP_AUX
EDP_D3#
EDP_AUX#
DP_DHPD
DP_D#3
DP_D0
DP_D#2
DP_D1
EDP_HPD
DP_D2
DP_D#1
DP_D3
DP_D#0
DP_DHPD21
DP_D#021
DP_D021
DP_D#121
DP_D121
DP_D#221
DP_D221
DP_D#321
DP_D321
Sheet 27 of 52
DP Switch
SN75DP128