Schematic Diagram - Key Board - Sony CDX-GT575UE Service Manual

4-12. SCHEMATIC DIAGRAM - KEY Board -

1 2
KEY BOARD
A
B
FB903
C
J901
FB902
AUX
FB901
D
CN901 R974
20P 1k
USB_GND 1
USB_VBUS 2
GND 3
E
KEY_GND 4
AUX_L 5
AUX_R 6
AUX_GND 7
A RE_0 8
RE_1 9
KEY_1 10
MAIN
BOARD
KEY_0 11
(2/5)
F
CN102 SIRCS 12
(Page 24)
LCD_DATA 13
LCK_CE 14
LCK_CLK 15
ILL 16
PANEL_SW 17
D- 18
D+ 19
G
GND 20
L901
3
1
CN971
H 4P
4
3
2
1
I
CDX-GT575UE/GT575UI/GT575UP
• See page 32 for IC Block Diagrams.
3 4 5 6
R900 R903 R905
120 120 120
B
LED900 R G
SMLVN6RGB1U1
(LCD BACK RIGHT)
R901 R904 R906
100 68 82
R984 R922 R923
100 10k 10k
-1 -2 -1 -2 -1 -2
Q900 Q901
RT3CLLM RT3CLLM
LED DRIVE LED DRIVE
R931 R932 R933 R934 R935 R936
68 68 56 47 39
C901
0.1
R949
820
D903
RKZ6.8B2KGP1
D904
RKZ6.8B2KGP1
S951
LCD-DATA
D905
RKZ6.8B2KGP1
LCD-CE
LCD-CLK D900 R956
RKZ18B2KGP1 820
R967
0
1
RE901 S959
5
ROTARY
SCRL
ENCODER
DSPL
2
PUSH ENTER/MENU
4
(VOLUME)
(GT575UP)
4
2
PUSH ENTER/MENU/
3
APP
(VOLUME)
(GT575UE/GT575UI)
C911
0.001
53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34
C900
0.001
7 8 9
R907 R909 R910
180 120 150
B
LED902 R G
SMLVN6RGB1U1
(RING ILLUMINATION)
R908 R982 R983
220 220
R924 R985 R925 R926
10k 220 10k 10k
-1 -2 -1 -2
Q902 Q903 Q904
RT3CLLM RT3CLLM RT3CLLM
LED DRIVE LED DRIVE LED DRIVE
R937 R938 R939 R940 R941
82 120 100 100 68 68
R950 R951 R952 R953 R954 R955
1k 1k 1.2k 1.5k 1.8k 2.2k
S952 S953 S954 S955 S956 S957
OFF MODE ZAP
SEEK+
SOURCE
SEEK–
R957 R958 R959 R960 R961 R962
1k 1k 1.2k 1.5k 1.8k 2.2k
S960 S961 S962 S963 S964 S965
PAUSE 5 SHUF ALBUM ALBUM
6 4 3 2 1
33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
LCD901
LIQUID CRYSTAL DISPLAY PANEL
31 31
10 11 12
R980
100
R911 R914 R916 R975
120 120 120 150
R976
150
B
LED903 R G
SMLVN6RGB1U1
(KEY ILLUMINATION)
R912 R915
220 150 68
R927 R913 R928 R929
10k 10k 10k
150
-1 -2 -1 -2 -1 -2
Q905 Q906 Q907
RT3CLLM RT3CLLM RT3CLLM
LED DRIVE LED DRIVE LED DRIVE
R942 R943 R944 R945 R946
120 82 82 56 47
16 15 14 13
S[36] 2.6
17 SEG36
S[35] 2.6
18 SEG35
S[34] 2.6
19 SEG34
S[33] 2.6
20 SEG33
S[32] 2.6
21 SEG32
S[31] 2.6
22 SEG31
S[30] 2.6
23 SEG30
S966 S[29] 2.6
24 SEG29
S[28] 2.6
CAT 25 SEG28
PTY
S[27] 2.6
26 SEG27
(GT575UP)
S[26] 2.6
27 SEG26
PTY
S[25] 2.6
AF/TA 28 SEG25
S[24] 2.6
(GT575UE/GT575UI)
29 SEG24
S[23] 2.6
30 SEG23
S[22] 2.6
31 SEG22
S[21] 2.6
32 SEG21
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
8 7 6 5 4 3 2 1
CDX-GT575UE/GT575UI/GT575UP
13 14 15
IC902
REMOTE CONTROL
RECEIVER
1 3 2
IC902
PNJ4813M01S0
R986
0
D981 D982 R981
RKZ5.1B2KGP1 DA2J10100L 1M
C905 C906 C907 C908
0.1 1 0.47 1
R917
82
R930
10k
-1 -2
Q908
RT3CLLM
LED DRIVE
R947 R948
39 82
C912
R965
470 18p
LCD-CE
C913
R966
18p
470
LCD-CLK
C914
R964
18p
470
LCD-DATA
IC B/D
12 11 10 9 8 7 6 5 4 3 2 1
0
LCD_DATA 64
3.3
LCD_CLK 63
0
LCD_CE 62
5
INH 61
2.6 S[1]
SEG1 60
VSS 59
IC901
C910 0.1
1.8
VDD2 58
C909 0.1
3.6
LIQUID CRYSTAL DISPLAY DRIVER VDD1 57
5.2
IC901
VDD 56
PT16512-LQ
2.6 S[2]
SEG2 55
2.6 COM[1]
COM1 54
2.6 COM[2]
COM2 53
2.6 COM[3]
COM3 52
2.6 COM[4]
COM4 51
2.6 S[3]
SEG3 50
2.6 S[4]
SEG4 49
Note: Refer to the servicing notes "NOTE FOR REPLACEMENT
OF THE USB CONNECTOR (CN971) AND THE AUX
JACK (J901)" on page 5, if replacing CN971 and J901.