Haier L22B1120, Service Manual

Page: 27 / 57

7-2. Circuit Diagram
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5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
IPOD_IN_L
RESET_CP
IPOD_CVBS IPOD_Y
IPOD_IN_R IPOD_Y IPOD_C IPOD_IN_L IPOD_CVBS
MODE0
MODE1
RESET_CP
+3.3V
IPOD_IN_R
IPOD_C
+5V
+3.3V
+3.3V
+3.3V
I2C-SDA
4
I2C-SCL
4
IPOD_RX
4
IPOD_TX
4 IPOD_DETECT
4
IPOD_CVBS_IN
4
IPOD_SV-Yin
4
IPOD_SV-Cin
4
IPOD-Rin
4
IPOD-Lin
4
CP_RESET
4
MODE1
--
--
0
Write
Read
I2C ADDR
MODE0
pin
Communication Mode
0
1
0x21
0x20
0
1
I2C slave SPI slave
0x23
0x22
1
DESIGN:George Guo MODEL: MSAV3207-K3
TITLE: IPOD IF
CHECKED:
Date: Feb. 3,2010 APPRD:
SHEET: 9 OF 9
VER:1.0
R96
33R
R96
33R
C30
47nF
C30
47nF
C504 0.1uF C504 0.1uF
R123
75R
R123
75R
R126
12K
R126
12K
R125
75R
R125
75R
R902
100R
R902
100R
C48
560pF
C48
560pF
R918
100R
R918
100R
R905 100R R905 100R
R115 22K R115 22K
R98
33R
R98
33R
R167 1K R167 1K
R114 22K R114 22K
R163 1K R163 1K
R919
10K
R919
10K
C31
47nF
C31
47nF
Q9
3904
Q9
3904
1
2 3
C32
47nF
C32
47nF
C503
0.1uF
C503
0.1uF
C66
560pF
C66
560pF
U25
NC/CP_2.0B
U25
NC/CP_2.0B
NC1
1
MODE1
2
NC2
3
NRESET
4
VCC
5
NC3
6
NC4
7
NC5
8
NC7
9
NC8
10
VSS
11
I2C_SCL
12
I2C_SDA
13
MODE0
14
NC9
15
NC10
16
NC11
17
NC12
18
NC13
19
NC14
20
GND
21
GND
22
GND
23
GND
24
R903 10K R903 10K
R127
12K
R127
12K
C526
2.2uF
C526
2.2uF
CN8
DIP-14(2
*
7)
CN8
DIP-14(2
*
7)
1
1
3
3
5
5
7
7
9
9
11
11
13
13
2
2
4
4
6
6
8
8
10
10
12
12
14
14
R124
75R
R124
75R
R901
100R
R901
100R
C527
2.2uF
C527
2.2uF
R97
33R
R97
33R