8.3.2.5 ACER_LCD_A211H/A221HQ(1A1D)_SCHEMATICS_INTERFACE BOARD_SCALER:
PCB No.
L9137-1M
CLK
CE
SDOUT
SDIN
CE
RESETB
SO
G
0
AH
S
0
CLK
SDIN
RESETB
CE
SDOUT
WP_PRO
EESDA
EESCL
ATTN
KEY_POWER
DVI_CABLE_DET
WP_PRO
EESDA
EESCL
VGA_CABLE_DET
V
G
A_
C
A
BL
E
_
D
ET
D
VI
_
C
A
BL
E
_
D
ET
WP
WP
WP
GREEN
AMBER
AHS0
EESCL
EESDA
KEY_ADC1
KEY_ADC2
KEY_POWER
GREEN
AMBER
LV
_
B[
0
..
9
]
LV
_
B0
LV
_
B1
LV
_
B8
LV
_
B7
LV
_
B2
LV
_
B3
LV
_
B6
LV
_
B5
LV
_
B4
LV
_
B9
LV
_
A[
0
..
9
]
LV
_
A5
LV
_
A0
LV
_
A1
LV
_
A2
LV
_
A3
LV
_
A4
LV
_
A8
LV
_
A9
LV
_
A7
LV
_
A6
WP_PRO
ATTN
KEY_ADC2
KEY_ADC1
V33P
V33TMDS
V33SDRAM
V12C
P3P3V
V33P
V33SDRAM
V33P
P3P3V
V33P
P3P3V
P3P3V
P3P3V
V12ADC
P1P2V
P1P2V
V12C
V12ADC
V33TMDS
P5V
P5V
V12C
V33SDRAM
V33P
P3P3V
V33P
V12C
P3P3V
V33TMDS
V33TMDS
P3P3V
2,6
P1P2V
2
BKLT_ADJ
2
BKLT_EN
2
V
G
A_
C
A
BL
E
_
D
ET
3
D
VI
_
C
A
BL
E
_
D
ET
4
DVI_HOT_PLUG
4
DDC_SDA_DVI
4
DDC_SCL_DVI
4
H
SY
N
C
3
VS
YN
C
3
R
IN
3
SO
G
3
G
N
D
R
3
G
N
D
G
3
G
IN
3
G
N
D
B
3
BI
N
3
D
R
X
0
P
4
D
R
X
1
P
4
D
R
X
1
N
4
D
R
X
2
P
4
D
R
X
C
N
4
D
R
X
C
P
4
D
R
X
2
N
4
D
R
X
0
N
4
STANDBY_CTRL
2
LED_AMBER
6
LED_GREEN
6
P5V
2,3,4,6
KEY_ADC1
6
KEY_ADC2
6
KEY_POWER
6
AUDIO_EN
2
DDC_W Pn
3,4
MUTE
2
USB_DET
6
USB_EN
6
DDC_SDA_VGA
3
DDC_SCL_VGA
3
LV
_
B[
0
..
9
]
6
LV
_
A[
0
..
9
]
6
VOLUME
2
PANELVCC_EN
2
ATTN
6
POWER_KEY_EN
6
1
2
C346
SCD1U16V2ZY-2GP
C346
SCD1U16V2ZY-2GP
1
2
R397
(NC)6K2R2F-GP
R397
(NC)6K2R2F-GP
1
2
C350
SC10U6D3V5MX-3GP
C350
SC10U6D3V5MX-3GP
1
2
R364
100R2J-2-GP
R364
100R2J-2-GP
1
2
R362
(NC)4K7R2J-2-GP
R362
(NC)4K7R2J-2-GP
C
B
E
Q314
MMBT3906-4-GP
Q314
MMBT3906-4-GP
1
2
R354
100KR2J-1-GP
R354
100KR2J-1-GP
T
M
DS
_V
DD
1
T
M
DS
_RE
X
T
2
RE
S
E
R
V
E
D#3
3
RE
S
E
R
V
E
D#4
4
RE
S
E
R
V
E
D#5
5
RE
S
E
R
V
E
D#6
6
RE
S
E
R
V
E
D#7
7
RE
S
E
R
V
E
D#8
8
RE
S
E
R
V
E
D#9
9
RE
S
E
R
V
E
D#1
0
1
0
T
M
DS
_G
ND
1
1
RX
2P
_1
1
2
RX
2N_
1
1
3
RX
1P
_1
1
4
RX
1N_
1
1
5
RX
0P
_1
1
6
RX
0N_
1
1
7
RX
CP
_
1
1
8
RX
CN_1
1
9
T
M
DS
_V
DD
2
0
A
V
S
0
2
1
A
HS
0
2
2
A
DC_V
DD
2
3
B
0-
2
4
B
0+
2
5
G
0
-
2
6
G
0
+
2
7
S
O
G
0
2
8
R0
-
2
9
R0
+
3
0
G
P
I#
31
3
1
G
P
I#
32
3
2
A
DC_G
ND
3
8
G
P
I#
37
3
7
G
P
I#
36
3
6
RE
S
E
R
V
E
D#3
5
3
5
G
P
I#
34
3
4
G
P
I#
33
3
3
GPIO#45
45
GPIO#44
44
A_ADC0/GPIO#50
50
A_ADC1/GPIO#51
51
A_ADC2/GPIO#52
52
A_ADC3/GPIO#53
53
GPIO#54
54
TCON0_5/PWM1#55/PWM5#55/GPIO#55
55
TCON1_4/IICSCL#56/GPIO#56
56
GPIO#41/TCON5#41
41
TCON9_11#57/IICSDA#57/GPIO#57
57
TCON7_10/DDCSCL1/GPIO#58
58
TCON3_5/DDCSDA1/GPIO#59
59
VCCK
60
PGND
61
PVCC
62
TCON1_8/PWM2#63/GPIO#63
63
TCON0_7/GPIO#64
64
GPIO#47
47
PWM0#48/GPIO#48
48
A
B
L
U7#
66
/T
CO
N4
_2
/G
P
I#
66
/G
P
O
#6
6/
B
B
3N
6
6
A
B
L
U6#
67
/T
CO
N5
_9
#6
7/
G
P
I#
67
/G
P
O
#
6
7/B
B
2P
6
7
A
B
L
U5#
68
/T
CO
N1
3_
3/
G
P
I#6
8
/G
P
O
#
68
/B
B
2
N
6
8
IICSCL#42/GPIO#42
42
A
B
L
U4#
69
/T
CO
N7
_3
/G
P
I#
69
/G
P
O
#6
9/
IICS
CL
#6
9/
B
B
1P
6
9
A
B
L
U3#
70
/T
CO
N9
_1
1#
70
/G
P
I#7
0/
G
P
O
#
70
/II
CS
D
A
#7
0
/B
B
1N
7
0
A
B
L
U2#
71
/T
CO
N1
0_
8/
G
P
I#7
1
/G
P
O
#
71
/P
W
M
1#
71
/P
W
M
5#
7
1/B
CL
K
P
7
1
T
CO
N6_
12
/G
P
I#7
2/
G
P
O
#
72
/P
W
M
3
#
72
/B
CLK
N
7
2
V
CCK
7
3
A
B
L
U1/
G
P
I#7
4
/G
P
O
#
74
/A
B
L
U7
#7
4/
T
X
O
3+
_
8B
/B
G
3
P
7
4
A
B
L
U0/
G
P
I#7
5
/G
P
O
#
75
/A
B
L
U6
#7
5/
T
X
O
3-
_
8B
/B
G
3
N
7
5
A
G
RN7
#7
6/
G
P
I#
76
/G
P
O
#
7
6/A
B
LU5
#7
6/
T
X
O
C+
_8
B
/B
G
2P
7
6
A
G
RN6
#7
7/
G
P
I#
77
/G
P
O
#
7
7/A
B
LU4
#7
7/
T
X
O
C-
_8
B
/B
G
2N
7
7
GPIO#46
46
P
V
CC
8
4
P
G
ND
8
5
A
RE
D7
#8
6/
A
G
RN3#
8
6/TX
E
3+
_
8B
/B
R1
P
8
6
IICSDA#43/GPIO#43
43
G
P
I#
99
/G
P
O
#9
9/
P
W
M
3
#9
9
/T
CO
N1
1
_6
/A
G
2
N
9
9
RESERVED#40
40
LS_ADC_VDD
49
TCON7/GPI#108/GPO#108/AR1P
108
GPI#39
39
XO
127
XI
128
T
CO
N7_
1/
G
P
I#
65
/G
P
O
#
6
5/P
W
M
1#
6
5/B
B
3P
6
5
A
G
RN5
#7
8/
G
P
I#
78
/G
P
O
#
7
8/A
B
LU3
#7
8/
T
X
O
2+
_
8B
/B
G
1
P
7
8
A
G
RN4
#7
9/
G
P
I#
79
/G
P
O
#
7
9/A
B
LU2
#7
9/
T
X
O
2-
_
8B
/B
G
1
N
7
9
A
G
RN3
#8
0/
G
P
I#
80
/G
P
O
#
8
0/A
G
RN
7#
80
/T
X
O
1
+
_8
B
/B
R3
P
8
0
A
G
RN2
#8
1/
G
P
I#
81
/G
P
O
#
8
1/A
G
RN
6#
81
/T
X
O
1
-_8
B
/B
R3
N
8
1
A
G
RN1
/G
P
I#
82
/G
P
O
#8
2/
A
G
RN5#
8
2/T
X
O
0
+
_8
B
/B
R2
P
8
2
A
G
RN0
/G
P
I#
83
/G
P
O
#8
3/
A
G
RN4#
8
3/T
X
O
0
-_8
B
/B
R2
N
8
3
A
RE
D6
#8
7/
A
G
RN2#
8
7/TX
E
3-
_
8B
/B
R
1N
8
7
A
RE
D5
#8
8/
A
RE
D7#
8
8/
T
X
E
C+
_
8
B
/A
B
3P
8
8
A
RE
D4
#8
9/
A
RE
D6#
8
9/
T
X
E
C-
_
8
B
/A
B
3N
8
9
A
RE
D3
#9
0/
A
RE
D5#
9
0/
T
X
E
2+
_
8B
/A
B
2
P
9
0
A
RE
D2
#9
1/
A
RE
D4#
9
1/
T
X
E
2-
_
8B
/A
B
2
N
9
1
A
RE
D1
/A
RE
D3
#9
2/
T
X
E
1+
_
8B
/A
B
1
P
9
2
A
RE
D0
/A
RE
D2
#9
3/
T
X
E
1-
_
8B
/A
B
1
N
9
3
DE
NA
/TX
E
0+
_
8B
/A
CL
K
P
9
4
DHS
/T
X
E
0
-_
8
B
/A
CL
K
N
9
5
DCL
K
/G
P
I#9
6/
G
P
O
#
96
/P
W
M
0#
96
/A
G
3
P
9
6
D
V
S
/G
P
I#9
7/
G
P
O
#
97
/P
W
M
1#
97
/A
G
3
N
9
7
G
P
I#
98
/G
P
O
#9
8/
P
W
M
2
#9
8
/A
G
2P
9
8
G
P
I#
10
0
/G
P
O
#
10
0
/P
W
M
4
#
10
0/
T
CO
N1
2_
3
/A
G
1P
1
00
G
P
I#
10
1
/G
P
O
#
10
1
/P
W
M
5
#
10
1/
T
CO
N0
/A
G
1
N
1
01
T
CO
N10
/G
P
I#
1
02
/G
P
O
#
1
02
/P
W
M
0
#
10
2/
A
R3
P
1
02
TCON8/GPI#103/GPO#103/IICSCL#103/PWM1#103/AR3N
103
TCON5#104/GPI#104/GPO#104/IRQB#104/IICSDA#104/AR2P
104
TCON9/GPI#105/GPO#105/AR2N
105
PVCC
106
PGND
107
TCON3/GPI#109/GPO#109/AR1N
109
TCON2_6_7/GPIO#110
110
TCON4_7/GPIO#111
111
TCON5_9#112/GPIO#112
112
TCON1_11/GPIO#113
113
TCON0_13/PWM4#114/GPIO#114
114
SPI_SCLK/SDIO
115
SI/MCU_SCLK
116
SO/SCSB
117
CEB/IRQB#118
118
GPIO#119/PWM5#119
119
VCCK
120
DDCSCL3/GPIO#121
121
DDCSDA3/GPIO#122
122
DDCSCL2/GPIO#124
124
DDCSDA2/GPIO#123
123
RESET#
125
GPIO#126/PWM1#126
126
I310
RTD2281
I310
1
2
R401
(NC)4K7R2J-2-GP
R401
(NC)4K7R2J-2-GP
1
2
C352
SCD1U16V2ZY-2GP
C352
SCD1U16V2ZY-2GP
1
2
R393
10KR2J-3-GP
R393
10KR2J-3-GP
1
2
R374
(NC)1MR2J-1-GP
R374
(NC)1MR2J-1-GP
1
2
R365
100R2J-2-GP
R365
100R2J-2-GP
1
2
R371
10KR2J-3-GP
R371
10KR2J-3-GP
1
2
L310
PBY160808T-301Y-N-GP
L310
PBY160808T-301Y-N-GP
1
2
R368
22R2J-2-GP
R368
22R2J-2-GP
1
2
R386
(NC)100KR2J-1-GP
R386
(NC)100KR2J-1-GP
1
2
L307
PBY160808T-301Y-N-GP
L307
PBY160808T-301Y-N-GP
1
2
R369
22R2J-2-GP
R369
22R2J-2-GP
1
2
L311
PBY160808T-301Y-N-GP
L311
PBY160808T-301Y-N-GP
1
2
R395
1KR2J-1-GP
R395
1KR2J-1-GP
1
2
C356
SCD1U16V2ZY-2GP
C356
SCD1U16V2ZY-2GP
1
2
R367
22R2J-2-GP
R367
22R2J-2-GP
1
2
C360
SC22P50V2J N-4GP
C360
SC22P50V2J N-4GP
1
2
L308
PBY160808T-301Y-N-GP
L308
PBY160808T-301Y-N-GP
1
2
R363
0R2J-2-GP
R363
0R2J-2-GP
1
2
C359
SCD1U16V2ZY-2GP
C359
SCD1U16V2ZY-2GP
1
2
R358
10KR2J-3-GP
R358
10KR2J-3-GP
1
2
R366
22R2J-2-GP
R366
22R2J-2-GP
1
2
R391
10KR2J-3-GP
R391
10KR2J-3-GP
1
2
R389
(NC)100KR2J-1-GP
R389
(NC)100KR2J-1-GP
1
2
R375
0R2J-2-GP
R375
0R2J-2-GP
1
2
C345
E10U50VM-25-GP-U
C345
E10U50VM-25-GP-U
1
2
R370
22R2J-2-GP
R370
22R2J-2-GP
1
2
R353
100KR2J-1-GP
R353
100KR2J-1-GP
1
2
R372
(NC)100KR2J-1-GP
R372
(NC)100KR2J-1-GP
1
2
R378
10KR2J-3-GP
R378
10KR2J-3-GP
C
B
E
Q313
MMBT3906-4-GP
Q313
MMBT3906-4-GP
1
2
R394
1KR2J-1-GP
R394
1KR2J-1-GP
1
2
L309
PBY160808T-301Y-N-GP
L309
PBY160808T-301Y-N-GP
1
2
C349
SCD1U16V2ZY-2GP
C349
SCD1U16V2ZY-2GP
1
2
C357
SCD1U16V2ZY-2GP
C357
SCD1U16V2ZY-2GP
1
2
C347
SCD1U16V2ZY-2GP
C347
SCD1U16V2ZY-2GP
1
2
C355
SCD1U16V2ZY-2GP
C355
SCD1U16V2ZY-2GP
1
2
C351
SCD1U16V2ZY-2GP
C351
SCD1U16V2ZY-2GP
1
2
C354
SCD1U16V2ZY-2GP
C354
SCD1U16V2ZY-2GP
1
2
R376
4K7R2J-2-GP
R376
4K7R2J-2-GP
1
2
X301
XTAL-14D31818MHZ-7-GP
X301
XTAL-14D31818MHZ-7-GP
1
2
R355
(NC)100KR2J-1-GP
R355
(NC)100KR2J-1-GP
1
2
R385
(NC)100KR2J-1-GP
R385
(NC)100KR2J-1-GP
CE#
1
SO
2
WP#
3
GND
4
SI
5
SCK
6
HOLD#
7
VCC
8
I311
PM25LV020-100SCE-GP
I311
PM25LV020-100SCE-GP
1
2
R379
(NC)10KR2J-3-GP
R379
(NC)10KR2J-3-GP
1
2
C361
SC22P50V2J N-4GP
C361
SC22P50V2J N-4GP
1
2
C353
SCD1U16V2ZY-2GP
C353
SCD1U16V2ZY-2GP
1
2
R392
4K7R2J-2-GP
R392
4K7R2J-2-GP
1
2
R359
10KR2J-3-GP
R359
10KR2J-3-GP
1
2
R373
560R2J-3-GP
R373
560R2J-3-GP
1
2
R357
10KR2J-3-GP
R357
10KR2J-3-GP
1
2
C362
(NC)E10U50VM-25-GP-U
C362
(NC)E10U50VM-25-GP-U
1
2
R387
(NC)100KR2J-1-GP
R387
(NC)100KR2J-1-GP
1
2
R377
6K2R2F-GP
R377
6K2R2F-GP
1
2
C382
SC10U6D3V5MX-3GP
C382
SC10U6D3V5MX-3GP
1
2
R396
4K7R2J-2-GP
R396
4K7R2J-2-GP
E0
1
E1
2
E2
3
VSS
4
VCC
8
WC#
7
SCL
6
SDA
5
I309
M24C16-WMN6-1GP
I309
M24C16-WMN6-1GP
1
2
R352
100KR2J-1-GP
R352
100KR2J-1-GP
1
2
C358
SCD1U16V2ZY-2GP
C358
SCD1U16V2ZY-2GP
1
2
C348
SC10U6D3V5MX-3GP
C348
SC10U6D3V5MX-3GP
1
2
R356
10KR2J-3-GP
R356
10KR2J-3-GP
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
A
B
C
D
E
F
G
75
ACER A211H/A221HQ