Touch Panel Control - EUROCOM T890M Service Manual

Schematic Diagrams

Touch Panel Control

Sheet 19 of 31
Touch Panel Control
B - 20 Touch Panel Control
COMPORT IT8709E
D02 112 6
3 . 3V S
3. 3V
R 4 1 7 R 4 1 6
D 02 1 126 0 _0 4 *0 _ 04 U 1 5
S 3 . 3 V S 1 4 8
2 V S S A V C C 4 7
S 3 . 3V S V S T B Y C LK I N
3 4 6
D C D # / G P I O2 1 / C I R 1T X A V S S
R 1 9 4 4 4 5
TO GPS
D S R # / GP I O 2 2 / C I R 1 R X C L K R U N # / G P I O2 0
5 4 4
20 G P S _ R X D 1
S I N / C I R 0T X / GP I O2 3 L P C P D # / G P I O1 7
4 . 7K _0 4 6 4 3
7 R TS # / C I R 0 R X / G P I O2 4 S E R I R Q 4 2
20 G P S _ TX D 1
S O U T / W U I N T R # / GP I O 2 5 LP C R S T #
8 4 1
C TS # / G P I O2 6 / E D 1 L A D 3
D02 121 0 9 4 0
R I # / G P I O2 7 / E D 0 L A D 2
GP I O 30 10 3 9
D TR # / GP I O 30 / B A D D R L A D 1
11 3 8
F I R R X / GP I O3 1 L A D 0
UP 164E /164 F 12 3 7
F I R TX / G P I O3 2 L F R A ME #
LOW 2E/ 2F 13 3 6
V S S V C C
R 1 9 6 14 3 5
15 F I R R X 2 (B W )/ GP I O 3 3 L P C C L K 3 4
V C C V S S
*5 6 0 _0 4 16 3 3
E R R # / GP I O 3 4 L D R Q#
17 3 2
S L C T / G P I O3 5 P E / G P I O1 6
18 3 1
S T B # / GP I O 0 0 B U S Y / G P I O1 5
19 3 0
P D 0 / GP I O0 1 A C K # / G P I O1 4
20 2 9
P D 1 / GP I O0 2 S L I N # / G P I O1 3
21 2 8
P D 2 / GP I O0 3 A F D # / G P I O1 2
22 2 7
23 P D 3 / GP I O0 4 I N I T # / G P I O1 1 2 6
P D 4 / GP I O0 5 P D 7 / G P I O1 0
24 2 5
P D 5 / GP I O0 6 P D 6 / G P I O0 7
I T 8 70 9 E
3. 3V S 3. 3 V S 3. 3 V S
U 1 2
D 1 7 D 1 8 D 2 0
1
N S
Z 2 01 8 2
B A V 9 9 B A V 99 B A V 99 N G
3
P D
U R _ Y N U L_ X N W I P Z 2 03 3
A C A C A C A O 76 0 0
Z 2 01 7
Z 2 01 6
2 3 TP _T X D
2 3 T P _ R X D
D 02 1 020
U 10
2 1 U S B _T P _ P P 2
2 1 U S B _ T P _ P N 2
1 21
N C V R E F
2 20 Z 2 0 1 4
E E P _D I O E E P _ C S
V C 33 3 19 Z 2 0 1 3
G N D E E P _ C LK
U S B _T P _ P P 3 4 18 Z 2 0 2 1
D + W I P
U S B _ T P _P N 3 5 17 Z 2 0 1 2
D - U L _ S E N
V C 3 3
R 3 37 *0 _ 04 6 16
3. 3 V S V D D L L _ C N
7 15
R E GI N LL _ C P
C 3 9 9 C 40 0
. 1 U _ 1 0V _ X 7 R _ 04
10 U _6 . 3 V _ X5 R _0 6
R C S 11 0 0
R 41 8 *0 _ 0 4 5 V _ T P
5V
R 41 9 0 _0 4 C 3 8 8 C 39 1
5 V S
. 1 U _ 1 0V _ X 7 R _ 04
10 U _6 . 3 V _ X5 R _0 6 D02 102 7
D02 1126
V C 3 3 R 1 4 8 2 0 K _ 1% _ 04
3 . 3 V S 3 . 3 V S Z 20 0 9
C 1 5 3
. 1 U _1 0 V _ X7 R _ 0 4
U 2 5
D 21 D 1 9
B A V 9 9 B A V 9 9 1
N S
6-0 6-000 99-0 11 6-06-00099-011 2
N G
3
A C L L _Y P A C L R _ X P P D
A O 76 0 0
D 02 1126
S 3. 3 V S
OS C 1
3 2
Note for pi n 2:
OU T GN D
If needs to support power on from IT8305
A V C C 4 1
V C C O E
CIR, please connect pin2 fo r "VSTBY".
48 M H z-D S O7 5 1 S V
C L K I N If don't ne ed to support pow er on from
6-P 22 -48 R0 0- 1BA
A V S S
A V S S
IT8305 CIR, please connect p in2 for
C L K R U N # R 20 6 1 0 0 _1 % _ 04
C L K _ R U N # 6 , 23
LP C P D # R 20 5 4 . 7 K _ 0 4
S 3 . 3 V S "V33".
I N T _ S E R I R Q 6 , 2 3
P C I R S T # 12 , 1 4 . . 17 , 2 3
11 /20
LP C _ A D 3 6 , 23
D02 112 6
LP C _ A D 2 6 , 23
S 3 . 3V S A V C C
LP C _ A D 1 6 , 23
L 2 8 H C B 1 00 5 K F -1 21 T 2 0
LP C _ A D 0 6 , 23
.
L P C _ F R A ME # 6 , 2 3
S 3 . 3 V S
C 23 4 C 2 3 5
L P C _ C L K 6
L D R Q#
R 20 1 4 . 7 K _ 0 4 . 0 0 1 U _ 50 V _ X 7R _ 04 . 1 U _1 0 V _ X7 R _0 4
S 3 . 3 V S
D0 2 11 26 R 20 7 5 60 _ 0 4
A V S S
TOUCH PANEL RCS1100
V C 33
10 Mil s
6 Z 2 0 3 2 R 3 4 9 5 . 1 _ 1% _ 04 Z 2 0 31 R 17 5 0 _ 0 4 U R _ Y N
N D
5
P G
4
P S C 1 9 1
R 1 6 5 5 . 1 _ 1% _ 04
. 01 U _5 0 V _ X7 R _ 0 4
R 3 4 8 1 0 0 _1 % _0 4
V C 3 3
R 3 38 20 K _ 1 %_ 0 4
R 3 39 20 K _ 1 %_ 0 4
R 1 7 6
Z 2 0 23 0 _ 0 4 U L _ X N
C 1 9 2
. 01 U _5 0 V _ X7 R _ 0 4
10 Mils
10 Mi ls
10 Mils
Z 2 0 24 W I P
R 3 5 2 1 0 0_ 1 % _0 4 R 1 77 0 _0 4
R 3 5 9 1 0 0_ 1 % _0 4 C 1 9 3
. 0 1U _ 50 V _ X 7R _0 4
10 Mil s 10 Mils
D02 11 07
Z 2 0 25 L L_ Y P
R 3 5 7 5 . 1 _ 1% _ 04 R 17 8 0_ 0 4
R 3 5 8 5 . 1 _ 1% _ 04
R 3 5 6 1 0 0_ 1 % _0 4 C 1 9 4 L R _ X P
. 0 1U _5 0 V _ X7 R _0 4
0 91 1
V C 3 3
R 17 9 *0 _0 4
U 2 7
1 6 Z 2 0 2 7
N S N D
Z 20 1 1 2 5 R 16 4 *0 _0 4
N G P G
3 4
P D P S
A O7 6 00 Z 2 0 2 8
Z 20 1 0 Z 2 0 26 R 1 6 8 0 _0 4
R1 78,R 168 FOR E LO T YPE
R1 79,R 164 FOR 3 M TY PE
V C 33
10 Mil s
6 Z 2 0 2 9 R 3 6 0 5 . 1 _ 1% _ 04
N D
5
P G
4
P S
10 Mils
Z 2 0 3 0 R 3 4 6 5 . 1 _ 1% _ 04
R 3 4 7 1 0 0_ 1 % _0 4 C 1 80
. 01 U _ 5 0 V _X 7 R _ 0 4
UL UR
UR
UL
WIP
LL
LR
LL
LR
J _ T P 1
J_TP 1
U R _Y N
1
U L _ XN 2
1
W I P
3
L L_ Y P 4
L R _ XP 5
5
8 52 0 2 -05
08 21 F OOR PRIN T OK
3 . 3 V 3, 7 , 9 , 1 3. . 1 5 , 1 7, 1 8 , 2 1, 2 3 , 2 5. . 27
3 . 3 V S 2, 6 , 7 , 9 , 11 . . 1 8 , 20 . . 2 3 , 2 5, 2 6 , 2 8
5 V 9, 1 3 , 1 4, 2 0 , 2 1, 2 4 . . 2 8
5 V S 9, 1 3 , 1 6, 1 8 , 2 0, 2 1 , 2 5