MEX-BT31PW/BT3100P/BT3100U/BT3150U/BT3153U
MEX-BT31PW/BT3100P/BT3100U/BT3150U/BT3153U
41
41
5-12. SCHEMATIC DIAGRAM - KEY Board -
• See page 42 for IC Block Diagrams.
Note:
Refer to the servicing notes “NOTE FOR REPLACEMENT
OF THE USB CONNECTOR (CN903) AND THE AUX
JACK (J901)” on page 6, if replacing CN903 and J901.
0
0
2.6
0
3.3
0
5
2.6
1.7
3.4
5.2
2.6
2.6
2.6
2.6
2.6
2.6
5.2
5.2
5.2
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.2
5.2
5.2
0
5.2
5.2
C912
0.1
FB903
FB901
FB902
1k
R906
RKZ6.8B2KGP1
D907
RKZ6.8B2KGP1
D909
RKZ6.8B2KGP1
D908
RKZ18B2KGP1
D906
C916
1000p
C911
1000p
20P
CN901
1
USB_GND
2
USB_VBUS
3
D_GND
4
KEY_GND
5
AUX_L
6
AUX_R
7
AUX_GND
8
RE_0
9
RE_1
10
KEY_1
11
KEY_0
12
SIRCS
13
LCD_DATA
14
LCD_CE
15
LCD_CLK
16
ILL
17
PANEL_SW
18
D–
19
D+
20
GND
D935
RKZ5.1B2KGP1
1
2
3
4
4P
CN903
0
R975
0
R996
DA2J10100L
D936
PNJ4813M01S0
IC902
1
2
3
100
R973
R955
R923
820
R924
1k
R925
1k
R927
1.5k
R928
1.8k
R929
2.2k
NHSW157AT
(LCD BACK LIGHT)
LED901
LED935
LED931
LED937
LED933
LED953
LED941
LED939
LED951
LED945
LED963
LED955
LED957
LED947
LED959
LED943
LED961
R953
R957
R959
R961
R963
RE901
2
4
5
3
1
6
7
J901
R977
R967
LTC014TUBFS8TL
Q901
LTC914TUBFS8TL
Q931
LED965
L903
3
1
2
4
LCD901
1
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
52
2
4
49
51
3
50
53
R935
R937
R945
R951
R931
R933
R941
R939
R943
R947
R949
R916
820
R917
1k
R918
1k
R919
1.2k
R920
1.5k
R921
1.8k
2.2k
R922
R926
1.2k
R971
150
R972
150
R968
120
R969
120
R970
120
C928
0.1
C922
0.47
1M
R995
C923
0.1
0.1
C921
C924
0.1
C926
18p
C927
18p
C925
18p
470
R997
470
R999
470
R998
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49 SEG4
50 SEG3
51 COM4
52 COM3
53 COM2
54 COM1
55 SEG2
56 VDD
57 VDD1
58 VDD2
59 VSS
60 SEG1
61 INH
62 LCD_CE
63 LCD_CLK
64 LCD_DATA
S[1]
S[2]
COM[1]
COM[2]
COM[3]
COM[4]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[1
1]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
S[1]
S[2]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[1
1]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
S[37]
S[38]
S[39]
S[40]
S[41]
S[42]
S[43]
S[44]
S[45]
S[46]
S[47]
S[48]
COM[4]
COM[3]
COM[2]
S[48]
S[47]
S[46]
S[45]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
CE
DATA
CLK
S[44]
COM[1]
S[49]
CE
DATA
CLK
S[49]
S901
S902
S903
S904
S905
S906
S907
S909
S910
S911
S912
S913
S914
S915
S916
(ILLUMINATION)
6
PAUSE
SHUF
4
REMOTE CONTROL
IC902
RECEIVER
LIQUID CRYSTAL DISPLAY PANEL
4
SHUF
5
MIC/ZAP
6
PAUSE
KEY BOARD
LED958
LED960
R960
R962
4
SHUF
5
470
P1L015BC7TT86C
P1L015BC7TT86C
470
LED946
R950
R946
R948
560
470
330
SML-D12D8WT86TQ
LED940
LED938
R940
R938
P1L015BC7TT86C
P1L015BC7TT86C
470
470
MODE
SOURCE
OFF
LED930
LED932
R930
R932
220
P1L015BC7TT86C
P1L015BC7TT86C
220
MODE
SOURCE
OFF
SEEK+
OFF
SOURCE
SEEK–
SEEK+
MODE
(ILLUMINATION)
LED944
LED942
R944
R942
(ILLUMINATION)
680
680
P1L015BC7TT86C
P1L015BC7TT86C
(ILLUMINATION)
SCRL
DSPL
1
ALBUM
ALBUM
2
3
DSPL
SCRL
LED962
R976
R966
LED964
6
PAUSE
470
470
P1L015BC7TT86C
P1L015BC7TT86C
DSPL
SCRL
3
ALBUM
2
LED954
LED956
R956
R958
470
P1L015BC7TT86C
P1L015BC7TT86C
470
3
ALBUM
2
1
ALBUM
PTY
AF/TA
PTY
AF/TA
(VOLUME)
ROTARY
ENCODER
PUSH ENTER/
LED DRIVE
LED DRIVE
LTC914TUBFS8TL
Q930
LED DRIVE
AUX
SML-D12V8WT86TN (BT3100U/BT3150U/BT3153U)
LED951, 953, 955, 957, 959, 961, 963, 965
P1L015BC7TT86C (BT31PW/BT3100P)
LED931, 933, 935, 937, 939, 941, 943, 945, 947,
1k (BT3100U/BT3150U/BT3153U)
680 (BT31PW/BT3100P)
R935, 943
1.2k (BT3100U/BT3150U/BT3153U)
680 (BT31PW/BT3100P)
R937, 945
820 (BT3100U/BT3150U/BT3153U)
470 (BT31PW/BT3100P)
R941
680 (BT3100U/BT3150U/BT3153U)
470 (BT31PW/BT3100P)
R939
R931
220 (BT31PW/BT3100P)
680 (BT3100U/BT3150U/BT3153U)
220 (BT31PW/BT3100P)
820 (BT3100U/BT3150U/BT3153U)
R933
I
6
H
15
1
C
12
13
5
F
16
17
18
8
2
B
D
G
11
10
E
J
9
A
4
3
7
14
SEEK–
LED934
LED936
R934
R936
P1L015BC7TT86C
P1L015BC7TT86C
680
680
SEEK+
SEEK–
R954
LED952
R952
470
P1L015BC7TT86C
470
1
ALBUM
(BT3100U)
(BT3100U)
(BT3100P)
(BT3100U)
LED950
P1L015BC7TT86C
1.2K (BT3100U/BT3150U/BT3153U)
470 (BT31PW/BT3100P)
R949, 955, 959, 963, 977
1.2K (BT3100U/BT3150U/BT3153U)
560 (BT31PW/BT3100P)
R951
1K (BT3100U/BT3150U/BT3153U)
470 (BT31PW/BT3100P)
R953, 957, 961, 967
PTY
CAT
CALL
CALL
5
MIC/ZAP
MENU
(VOLUME)
PUSH ENTER/MENU/
APP
1.2K (BT3100U/BT3150U/BT3153U)
330 (BT31PW/BT3100P)
R947
CALL
BT3153U
BT3150U/
BT3100U/
BT3153U
BT3150U/
BT3100U/
BT3153U
BT3150U/
BT3100U/
BT3153U
BT3150U/
BT3100U/
PTY
PTY
BT3150U/
BT3153U
BT3100P/BT3100U/
BT3150U/BT3153U
(BT31PW)
BT3153U
BT3150U/
BT3100U/
BT3153U
BT3150U/
BT3100U/
BT3153U
BT3150U/
BT3100U/
BT3153U
BT3150U/
BT3100U/
BT3153U
BT3150U/
BT3100U/
BT31PW/BT3150U/
BT3153U
PTY
AF/TA
(BT3100P)
(BT3100U)
PTY
CAT
PTY
BT31PW/BT3150U/
BT3153U
(BT3100U)
