Read Sony WX-GT90BT / WX-GT90BTE / WX-GT99BT / WX-GT99BTM Service Manual online
WX-GT90BT/GT90BTE/GT99BT/GT99BTM
WX-GT90BT/GT90BTE/GT99BT/GT99BTM
38
38
5-13. SCHEMATIC DIAGRAM - KEY Board -
• See page 39 for IC Block Diagrams.
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF THE USB CONNECTOR
(CN971) AND THE AUX JACK (J901)” on page 6, if replacing CN971 and J901.
CN102
(2/5)
MAIN
BOARD
A
IC B/D
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
0
3.3
0
5
2.6
1.8
3.6
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
0.47
C907
RT3CLLM
Q900
RT3CLLM
Q901
RT3CLLM
Q902
RT3CLLM
Q903
RT3CLLM
Q904
RT3CLLM
Q905
RT3CLLM
Q906
RT3CLLM
Q907
J901
RE901
(VOLUME)
2
4
5
3
1
6
7
1
2
3
4
4P
CN971
1000p
C900
1000p
C911
0
R967
R
G
B
SMLVN6RGB1U1
LED900
R
G
B
SMLVN6RGB1U1
LED902
R
G
B
SMLVN6RGB1U1
LED903
R911
120
68
R915
RKZ5.1B2KGP1
D981
C914
18p
C913
18p
C912
18p
1
C906
1
C908
DA2J10100L
D982
0.1
C901
0.1
C905
0.1
C909
0.1
C910
VCC
OUT
GND
PNJ4813M01S0
IC902
1
2
3
20P
CN901
1
USB_GND
2
USB_VBUS
3
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
LCK_CE
15
LCK_CLK
16
ILL
17
PANEL_SW
18
D–
19
D+
20
GND
R
G
B
SMLVN6RGB1U1
LED901
R
G
B
SMLVN6RGB1U1
LED904
RT3CLLM
Q908
56
R901
R903
10
10
R909
56
R908
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
PT16512-LQ
IC901
1
R
2
G
3
B
4
NCO
5
SEG48
6
SEG47
7
SEG46
8
SEG45
9
SEG44
10 SEG43
11 SEG42
12 SEG41
13 SEG40
14 SEG39
15 SEG38
16 SEG37
17
SEG36
18
SEG35
19
SEG34
20
SEG33
21
SEG32
22
SEG31
23
SEG30
24
SEG29
25
SEG28
26
SEG27
27
SEG26
28
SEG25
29
SEG24
30
SEG23
31
SEG22
32
SEG21
33
SEG20
34
SEG19
35
SEG18
36
SEG17
37
SEG16
38
SEG15
39
SEG14
40
SEG13
41
SEG12
42
SEG11
43
SEG10
44
SEG9
45
SEG8
46
SEG7
47
SEG6
48
SEG5
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_DA
TA
L901
3
1
2
4
120
R907
27
R910
120
R912
82
R913
R914
82
33
R918
R916
100
100
R917
R905
27
R900
120
10k
R925
10k
R924
10k
R927
10k
R928
10k
R930
10k
R926
10k
R922
10k
R923
10k
R929
56
R937
56
R943
56
R931
82
R938
82
R944
82
R932
39
R939
39
R945
39
R933
68
R940
68
R946
68
R934
33
R941
33
R947
33
R935
120
R942
120
R948
120
R936
1M
R981
150
R975
150
R976
820
R949
1k
R950
1k
R951
1.2k
R952
1.5k
R953
1.8k
R954
2.2k
R955
2.2k
R962
1.8k
R961
1.5k
R960
1.2k
R959
1k
R958
1k
R957
820
R956
0
R986
1k
R974
100
R980
FB901
FB902
FB903
470
R964
470
R966
470
R965
LCD-DA
TA
LCD-CE
S[37]
S[34]
S[19]
S[38]
S[33]
S[39]
S[32]
S[40]
S[31]
S[8]
S[41]
S[30]
S[42]
S[9]
S[48]
S[47]
S[46]
S[45]
S[5]
S[44]
S[29]
S[6]
S[17]
S[28]
S[7]
S[27]
S[8]
S[26]
S[25]
S[10]
S[2]
S[24]
S[11]
S[3]
S[23]
S[12]
S[4]
S[22]
S[13]
S[5]
S[43]
S[43]
S[14]
S[6]
S[44]
S[42]
S[15]
S[7]
S[45]
S[41]
S[16]
S[46]
S[40]
S[17]
S[47]
S[39]
S[18]
S[38]
S[19]
S[37]
S[20]
S[36]
S[21]
S[35]
S[20]
S[9]
S[12]
S[10]
S[14]
S[15]
S[1
1]
S[16]
S[13]
S[18]
LCD-DATA
LCD-CE
LCD-CLK
S[48]
COM[4]
COM[3]
COM[2]
COM[1]
S[1]
S[1]
COM[2]
COM[1]
S[2]
COM[3]
COM[4]
S[3]
S[4]
LCD-CLK
S[36]
S[35]
S[34]
S[33]
S[32]
S[31]
S[30]
S[29]
S[28]
S[27]
S[26]
S[25]
S[24]
S[23]
S[22]
S[21]
IC901
LIQUID CRYSTAL
IC902
REMOTE CONTROL RECEIVER
SOURCE
OFF
SEEK –
S951
S952
S953
S954
S955
S956
S957
S959
PAUSE
6
MIC/ZAP
5
S960
S961
S962
S963
ALBUM
2
1
ALBUM
S964
S965
PTY
S966
ENCODER
ROTARY
KEY BOARD
LIQUID CRYSTAL DISPLAY
(KEY ILLUMINATION)
(RING ILLUMINATION)
LED901, 902
(LCD BACK LIGHT)
LED900, 904
AUX
-2
-1
-2
-1
-2
-1
-2
-1
-2
-1
-2
-1
-2
-1
-2
-1
-2
-1
SEEK +
MODE
CALL
3
4
PTY
CAT
(GT90BT: US, CND)
(GT90BT: E, EA/GT99BT/GT99BTM)
(GT90BT: AEP, UK/GT90BTE)
SCRL
DSPL
I
6
H
15
1
C
12
K
13
5
F
16
8
2
B
D
G
11
10
E
17
J
9
A
4
3
7
14
DISPLAY DRIVER
PUSH ENTER/MENU/
APP
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
AF/TA
PTY
(Page 30)
Ver. 1.2
Click on the first or last page to see other WX-GT90BT / WX-GT90BTE / WX-GT99BT / WX-GT99BTM service manuals if exist.