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CAS-1
CAS-1
6
6
2-2. SCHEMATIC DIAGRAM - MAIN Board (1/5) -
0
0
0
3.2
3.2
0.9
0.3
5.1
5.1
2.2
0
0
0
0
5.1
5.1
JL921
MTK-1.2V-EN
MTK-AUDIO-BCLK3
JL922
MTK-UART-TXD
DGND
MTK-CA7EN
MTK-STATUS
MTK-UART-RXD
JL906
JL907
USB-OE
USB-SEL
MTK-AUDIO-LRCK3
MTK-BUSY
JL916
JL902
JL920
MTK-A-BUSY
JL918
JL908
JL919
MTK-RESET
JL909
JL911
MTK-AUDIO-DIN3
JL905
JL915
JL900
JL901
JL913
JL912
80P
CN900
1
3.3V
2
3.3V
3
I2C_SDA
4
I2S_MCK_O
5
I2C_SCL
6
Reserved(BUSY_I)
7
I2S_DATA_O
8
I2S_BCK_O
9
I2S_LRCK_O
10
Mute_Request_O
11
Reserved(JTAG_DO)
12
Reserved(JTAG_CLK)
13 Reserved(JTAG_DI)
14
Reserved(JTAG_SEL)
15 BUSY_O
16
UART_RXD
17 UART_TXD
18
JIG-MODE1
19 JIG-MODE0
20
GND
21 WoNetwork_O
22
ETH_TXVP_0
23 GND
24
ETH_TXVN_0
25 GND
26
GND
27 GND
28
ETH_TXVP_1
29 GND
30
ETH_TXVN_1
31 GND
32
GND
33 GND
34
USB0_D–
35 GND
36
37 GND
38
GND
39 GND
40
GND
41 GND
42
GND
43 GND
44
GND
45 Reserved(I2S_LRCK_I)
46
Reserved(I2S_DATA_I)
47 STBY_3.3V
48
STBY_3.3V
49 Reserved(I2S_MCK_I)
50
Reserved(I2S_BCK_I)
51 Reserved(USB_OC1#)
52
STBY_CA7EN_EXINT
53 XRESET
54
GND
55 UATXD(MTK Tool)
56
STBY_STATUS_O
57 UARXD(MTK Tool)
58
Reserved(USB_EN1#)
59 GND
60
GND
61 GND
62
63 GND
64
USB1_D-
65 1.2VLDOON
66
GND
67 NC
68
3.3V
69 1.5V
70
1.5V
71 1.5V
72
1.5V
73 1.5V
74
1.5V
75 1.2V
76
1.2V
77 1.2V
78
1.2V
79 1.2V
80
1.2V
JL917
VDD_1.5V_MTK
VDD_1.8V_MTK
VDD_STBY3.3V_MTK
JL910
TPS2560DRCR
IC901
GND
1
IN_2
2
IN_3
3
EN1
4
EN2
5
FAULT2
6
ILIM
7
OUT2
8
OUT1
9
FAULT1
10
USB_5V
VBUS-OE
VBUS-OVR-DET
5P
CN902
1
GND
2
D+
3
D-
4
VBUS
5
SHIELD BUS
7P
CN901
STBY3.3V
1
GND
2
UART_JIG/SET
3
UART_SET/JIG
4
5
JIG_MODE1
JIG_MODE0
6
7
N.C.
BD11600NUX-E2
IC900
1D+
1
1D–
2
2D+
3
2D–
4
GND
5
OE
6
D–
7
D+
8
S
9
VCC
10
JL923
JL924
JL925
JL926
JL927
JL929
JL930
JL931
JL932
JL933
JL934
JL935
JL936
JL937
JL938
JL939
SL900
SL901
0
R915
4.7k
R917
4.7k
R916
0
R923
0
R922
0
R937
4.7k
R911
0
R920
4.7k
R907
4.7k
R912
0
R921
4.7k
R908
0
R919
4.7k
R909
0
R918
4.7k
R910
4.7k
R913
4.7k
R914
CL901
CL902
CL903
CL904
CL905
CL900
4.7k
R930
4.7k
R954
0
R927
0
R926
0
R933
4.7k
R928
4.7k
R929
0
R925
0
R934
0
R935
0
R938
0
R932
0
R931
0
R936
4.7
C917
4.7
C910
FB902
0
R945
0
R946
CL907
CL908
CL909
CL910
CL906
0
R952
0
R951
0
R956
100
R957
100k
R944
0.1
C913
0.1
C914
100
R949
22k
R948
100
R950
22k
R947
0.1
C915
22
C911
0.1
C912
0
R955
100
R940
FB903
0
R901
0
R900
0
R906
0
R905
10
R904
0
R902
10
R903
FB900
FB901
0.1
C909
4.7
C900
0.047
C903
0.1
C905
4.7
C907
0.1
C908
0.1
C904
0.047
C902
4.7
C906
4.7
C901
MTK-MUTE-REQ
VDD_3.3V_MTK
VDD_3.3V_SYS
VDD_3.3V_SYS
MTK-AUDIO-DIN3
MTK-MUTE-REQ
MTK-AUDIO-BCLK3
MTK-AUDIO-BCLK3
MTK-UART-TXD
JIG-MODE1
MTK-CA7EN
MTK-MUTE-REQ
UATXD_MTKTOOL
MTK-BUSY
MTK-A-BUSY
UARXD_MTKTOOL
MTK-STATUS
MTK-AUDIO-LRCK3
MTK-AUDIO-DIN3
JIG-MODE0
MTK-UART-RXD
UARXD_MTKTOOL
MTK-AUDIO-LRCK3
MTK-RESET
MTK-A-BUSY
MTK-STATUS
MTK-BUSY
JIG-MODE0
MTK-CA7EN
MTK-UART-TXD
MTK-UART-RXD
MTK-RESET
MTK-1.2V-EN
MTK-1.2V-EN
UATXD_MTKTOOL
JIG-MODE1
IC901
VBUS SWITCH
IC900
USB SWITCH
(1/5)
MAIN BOARD
BOARD
MAIN
(4/5)
>001S
BOARD
MAIN
(5/5)
>002S
BOARD
MAIN
(4/5)
>003S
BOARD
MAIN
(2/5)
>004S
(NC)
CN162
>01S
USB
BOARD
NETWORK
BOARD
10
11
12
13
14
15
G
F
1
C
D
6
E
2
B
3
A
4
5
7
8
9
Refer to page
service manual
45 on original
Refer to page
service manual
40 on original
(Page 7)
(Page 9)
(Page 10)
(Page 9)
Note:
IC901 on the MAIN board cannot replace with single. When
this part is damaged, replace the complete mounted board.
Summary of Contents for CAS-1
Page 34: ...CAS 1 34 MEMO ...
Page 97: ...MEMO CAS 1 17 ...