Schematic Diagram - Key Board - Sony MEX-BT31PW Service Manual

MEX-BT31PW/BT3100P/BT3100U/BT3150U/BT3153U

2-10. SCHEMATIC DIAGRAM - KEY Board -

1 2 3
KEY BOARD
A
LED931, 933, 935, 937, 947, 951, 953, 955,
LED957, 959, 961, 963, 965, 967, 969
P1L015BC7TT86C (BT31PW/BT3100P)
SML-D12V8WT86TN (BT3100U/BT3150U/BT3153U)
R906
1k
FB902
B
J901
FB901
AUX
FB903
C
CN901
20P
USB_GND 1
USB_VBUS 2
C912
D_GND 3
KEY_GND 4
AUX_L 5
D
AUX_R 6
AUX_GND 7
RE_0 8
A
RE_1 9
MAIN KEY_1 10
BOARD
KEY_0 11
(2/5)
CN102 SIRCS 12
(Page 7) DATA
LCD_DATA 13
CE
E
LCD_CE 14
CLK
LCD_CLK 15
ILL 16
PANEL_SW 17
D– 18
D+ 19
GND 20
F
L903
3 4
C911
1000p
CN903 1 2
1
4P
2
G
3
4
H
I
J
MEX-BT31PW/BT3100P/BT3100U/BT3150U/BT3153U
4 5 6 7
R931 R933 R935
220 (BT31PW/BT3100P) 220 (BT31PW/BT3100P) 680 (BT31PW/BT3100P)
680 (BT3100U/BT3150U/BT3153U) 820 (BT3100U/BT3150U/BT3153U) 1k (BT3100U/BT3150U/BT3153U)
R931 R935
LED931 LED935
OFF
SOURCE
SEEK+
BT3100U/
BT3150U/
LED933 BT3153U LED937
R930 R934
SEEK–
220 680
MODE
C916
LED930
1000p
P1L015BC7TT86C
OFF
SOURCE
0.1
LED932
P1L015BC7TT86C
MODE
R933 R932 R937 R936
220 680
R943 R947 R942
330
LED969 LED947 LED942
P1L015BC7TT86C
(ILLUMINATION) (ILLUMINATION)
R949
R945 R951 R944
470 470
LED951
R953 R957
BT31PW/BT3150U/ LED955
PTY
BT3153U
ALBUM
CAT 2
PTY
(BT3100P)
LED957
PTY
AF/TA
(BT3100U)
3
BT3100U/ BT3100U/
LED953
BT3150U/ BT3150U/
BT3153U BT3153U
ALBUM
1 R952 (BT3100U) R956
470 470
LED950
P1L015BC7TT86C
LED954
BT3150U/
PTY
P1L015BC7TT86C
BT3153U
ALBUM
PTY
2
AF/TA
(BT3100U)
LED956
LED952
P1L015BC7TT86C
P1L015BC7TT86C
ALBUM
1
3
R955 R954 R959 R958
470 470
R943 R947
R949, 955, 959, 963, 977 R951
330 (BT31PW/BT3100P) 330 (BT31PW/BT3100P)
470 (BT31PW/BT3100P) 560 (BT31PW/BT3100P)
470 (BT3100U/BT3150U/BT3153U) 1.2K (BT3100U/BT3150U/BT3153U)
1.2K (BT3100U/BT3150U/BT3153U) 1.2K (BT3100U/BT3150U/BT3153U)
8 9 10 11
R937 R939 R941
680 (BT31PW/BT3100P) 220 (BT31PW/BT3100P) 270 (BT31PW/BT3100P)
1.2k (BT3100U/BT3150U/BT3153U) 470 (BT3100U/BT3150U/BT3153U) 470 (BT3100U/BT3150U/BT3153U)
R916
R939
820
S901 S909
LED967
DSPL
CALL
R923
820
R917
1k
S902 S910
BT3100U/
BT3150U/
OFF PAUSE
BT3153U
SOURCE
BT3100U/
R924
BT3150U/
1k
BT3153U
R918
1k
R938
S911
220
S903
LED934
MIC/ZAP
P1L015BC7TT86C
LED938
P1L015BC7TT86C R925
SEEK+
1k
R919
SEEK+ CALL
1.2k
S904 S912
LED936
SHUF
P1L015BC7TT86C
MODE
SEEK– R926
1.2k
R941 R940 R920
270 1.5k
S905 S913
SEEK–
R927
1.5k
R921
R946
1.8k
S906 S914
330
ALBUM
LED946
SML-D12D8WT86TQ R928
1.8k
R922
2.2k
S907 S915
R948
CALL ALBUM
470
R929
R950 2.2k
560
BT3100U/
BT3150U/
BT3153U
LED965
R961
AF/TA
LED959 SCRL
DSPL
SHUF
4 LED963
LED961
PAUSE
6
MIC/ZAP
5
BT3100U/ BT3100U/
BT3150U/ BT3150U/
BT3153U BT3153U
(BT3100U) R960 LED964
470 P1L015BC7TT86C
SCRL
LED958
DSPL
P1L015BC7TT86C
LED962
SHUF
3 1
P1L015BC7TT86C
4
PAUSE
LED960
6
P1L015BC7TT86C 7
R967 R966
470
5
5 2 4
R963 R962 R977 R976
470 470
R953, 957, 961, 967
470 (BT31PW/BT3100P)
1K (BT3100U/BT3150U/BT3153U)
53
12 12
12 13 14
R973
100
IC902
LED901
NHSW157AT
1 3 2
REMOTE CONTROL
(LCD BACK LIGHT)
RECEIVER
R971
IC902
SCRL 150
PNJ4813M01S0
R968 R972
120 150
S[4] 2.6
R969 R995 R996
6 49 SEG4
120 1M 0
S[3] 2.6
50 SEG3
COM[4] 2.6
C928
51 COM4
R970 0.1
COM[3] 2.6
120
52 COM3
COM[2] 2.6
5 53 COM2
C921
COM[1] 2.6
0.1
54 COM1
S[2] 2.6
55 SEG2
5.2
C923
56 VDD
0.1
3.4
4 57 VDD1
1.7
58 VDD2
C924
59 VSS
0.1
S[1] 2.6
C922
60 SEG1
0.47
5
3 61 INH
CE 0
62 LCD_CE
R997 3.3
470 63 LCD_CLK
0
64 LCD_DATA
R998
470
2 CLK
R999
470
DATA
C925 C926 C927
1
18p 18p 18p
S916
BT31PW/BT3150U/
PTY
BT3153U
CAT
PTY
(BT3100P)
PTY
(BT3100U)
BT3100U/
BT3150U/
BT3153U
0
Q930
5.2
LTC914TUBFS8TL
LED DRIVE
RE901
ROTARY
0
ENCODER
(BT31PW) 5.2
PUSH ENTER/
MENU
LTC014TUBFS8TL
6
(VOLUME) LED DRIVE
0
BT3100P/BT3100U/
BT3150U/BT3153U 5.2
PUSH ENTER/MENU/ Q931
APP LTC914TUBFS8TL
LED DRIVE
(VOLUME)
R975
0
52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24
LCD901
LIQUID CRYSTAL DISPLAY PANEL
Note: Refer to the servicing notes "NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN903) AND THE AUX JACK (J901)"
on page 6 on original service manual, if replacing CN903 and J901.
15 16 17 18
35
48 47 46 45 44 43 42 41 40 39 38 37 36 34 33
2.6 S[21]
SEG21 32
2.6 S[22]
31
SEG22
2.6 S[23]
SEG23 30
2.6 S[24]
SEG24 29
2.6 S[25]
SEG25 28
2.6 S[26]
SEG26 27
2.6 S[27]
IC901
SEG27 26
2.6 S[28]
SEG28 25
LIQUID CRYSTAL DISPLAY DRIVER 2.6 S[29]
SEG29 24
IC901
2.6 S[30]
PT16512-LQ
SEG30 23
2.6 S[31]
SEG31 22
2.6 S[32]
SEG32 21
2.6 S[33]
SEG33 20
2.6 S[34]
SEG34 19
2.6 S[35]
SEG35 18
2.6 S[36]
SEG36 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Q901
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1