Acer G225HQ Service Manual page 74

A
J5
1
1
2
2
TP70
3
3
4
4
5
5
6
6
7
7
4
8
8
9
9
10
10
C47
2K61185110
Canael GND to GND bead
3
L E D _ O RG
L E D _ G R N
2
1
A
B
TP32
TP33
TP34
L8
TP35
Z30
TP36
L9 Z220
TP37
C49
C48
C84
+
4 7 U 2 5V
0 . 1 U K
0 .1 U K
0 .1 U K
ADC KEY R105~1 07,R219
R216~R218,R220~223
TOUCH KEY R105~1 07,R219
R216~R218,R220~223
+5V
R42
2 N3 906S
L E D _ O RG B
Q4
R43
10K J
R44
2 N3 906S
L E D _ G R N
B
Q5
R45
10K J
B
C
B R T _ ADJ
B L _ O N
R220
4.7K J
V O L _ O N
V O L _ ADJ
+5V S C L _ T O UC H
S D A _ T O UC H
+3.3V
C50 C51 C52
0 . 1 U K
0 . 1 U K 0 .1 U K
EMI solution
L10 Z220
150
Z220
L11
150
C53 C54
0 . 1 U Z 0 . 1 U Z
C
D
R216 0
+5V
R221 J3
4.7K J G2
7
6
R217 0 J
5
R218 0 J
4
3
2
1
G1
2KK2087007
Del R219(0 ohm)
Add L4 (0 ohm)
Z220
L4
R105 2K J
A D C _ K E Y1
R106 2K J
A D C _ K E Y2
R107 2K J
A D C _ K E Y3
C72 C73
4 7 0 P J 4 7 0 P J
Qisda Corporation
Pro j ec t C o de
Title
Connector
S iz e
PC B P/N
< S i z e >
4H.0K401.S01
M o n d a y , F e b r u a r y 0 9 , 2 0 0 9
D a te:
Prep a red By
Lo ui s Yang
D
E
4
+3.3V
R222
4.7K J
R223 0 J
P O W E R _ K E Y
3
Z D 9
B/V J3
X J6
2K62095107
TP26
7
TP27 6
TP28 5
TP29
4
TP30
3
TP31
2
1
J6
2
C74
Z D 6 Z D 7 Z D 8
4 7 0 P J
M o del Na me O E M / O D M Mo del Na me
OEM
1
PC B Rev. D o c umen t Number Rev.
0
S 0 1
< D o c >
S h eet 5 o f 6
R e v iew ed By A p p ro ved By
B l i gh t Hsu A l l en PC Lee
E