4-12. SCHEMATIC DIAGRAM - KEY Board -
1
2
3
KEY BOARD
A
FB902
B
J901
FB901
AUX
FB903
C
CN901
20P
USB_GND
1
USB_VBUS
2
D_GND
3
KEY_GND
4
AUX_L
5
D
AUX_R
6
AUX_GND
7
A
RE_0
8
RE_1
9
MAIN
KEY_1
10
BOARD
KEY_0
11
(2/5)
CN102
SIRCS
12
(Page 30)
LCD_DATA
13
E
LCD_CE
14
LCD_CLK
15
ILL
16
PANEL_SW
17
D–
18
D+
19
GND
20
F
L903
3
C911
1000p
CN903
4P
1
1
G
2
3
4
H
I
J
CDX-GT57UPW/GT62UMI/GT570UE/GT570UI/GT570UP/GT574UI/GT620UI/GT626UI
• See page 38 for IC Block Diagrams.
4
5
6
R931
R935
180 (GT570UE)
330 (GT570UE)
220 (GT570UI/GT570UP)
680 (GT570UI/GT570UP)
LED931, 933, 935, 937, 939, 941, 943, 945, 947,
680 (GT57UPW/GT62UMI/GT574UI/
820 (GT62UMI)
LED951, 953, 955, 957, 959, 961, 963, 965
GT620UI/GT626UI)
1K (GT57UPW/GT574UI/GT620UI/GT626UI)
SML-D12V8WT86TN (GT57UPW/GT574UI/GT620UI/GT626UI)
R933
R937
SML-D12P8WT86TK (GT570UE)
220 (GT570UE/GT570UI/GT570UP)
330 (GT570UE)
P1L015BC7TT86C (GT570UI/GT570UP)
680 (GT62UMI)
680 (GT570UI/GT570UP)
LNJ437W840S0 (GT62UMI)
820 (GT57UPW/GT574UI/
820 (GT62UMI)
GT620UI/GT626UI)
1.2K (GT57UPW/GT574UI/GT620UI/GT626UI)
R906
1k
R931
R935
LED931
LED935
OFF
SOURCE
SEEK+
LED933
LED937
SEEK–
MODE
C916
1000p
R933
R937
C912
0.1
R943
LED943
(ILLUMINATION)
LED945
R949
(ILLUMINATION)
DATA
CE
R945
R951
CLK
R943
R949
330 (GT570UE)
270 (GT570UE)
680 (GT570UI/GT570UP)
470 (GT570UI/GT570UP)
820 (GT62UMI)
1K (GT62UMI)
1K (GT57UPW/GT574UI/GT620UI/GT626UI)
1.2K (GT57UPW/GT574UI/GT620UI/GT626UI)
R945
R951
330 (GT570UE)
270 (GT570UE)
680 (GT570UI/GT570UP)
560 (GT570UI/GT570UP)
820 (GT62UMI)
1.2K (GT57UPW/GT62UMI/GT574UI/GT620UI/GT626UI)
1.2K (GT57UPW/GT574UI/GT620UI/GT626UI)
R953
R957
LED951
LED955
4
ALBUM
PTY
2
(GT57UPW)
LED957
CAT
PTY
(GT570UP)
PTY
GT570UE/
AF/TA
GT570UI/
GT574UI
LED953
ALBUM
1
R955
R959
R953
330 (GT570UE)
470 (GT570UI/GT570UP)
1K (GT57UPW/GT62UMI/GT574UI/GT620UI/GT626UI)
R955
330 (GT570UE)
470 (GT570UI/GT570UP)
1K (GT62UMI)
1.2K (GT57UPW/GT574UI/GT620UI/GT626UI)
R957
330 (GT570UE)
470 (GT570UI/GT570UP)
1K (GT57UPW/GT62UMI/GT574UI/GT620UI/GT626UI)
R959
330 (GT570UE)
470 (GT570UI/GT570UP)
1K (GT62UMI)
1.2K (GT57UPW/GT574UI/GT620UI/GT626UI)
CDX-GT57UPW/GT62UMI/GT570UE/GT570UI/GT570UP/GT574UI/GT620UI/GT626UI
7
8
9
10
R939
220 (GT570UE)
470 (GT570UI/GT570UP)
680 (GT57UPW/GT62UMI/GT574UI/
GT620UI/GT626UI)
R941
220 (GT570UE)
470 (GT570UI/GT570UP)
680 (GT62UMI)
820 (GT57UPW/GT574UI/GT620UI/GT626UI)
R939
R916
(LCD BACK LIGHT)
820
S901
S909
SCRL
DSPL
LED939
R923
820
R968
R917
120
ZAP
1k
S902
S910
OFF
PAUSE
R969
SOURCE
6
LED941
120
R924
1k
R918
1k
R970
S911
120
S903
5
R925
SEEK+
1k
R941
R919
1.2k
S904
S912
SHUF
MODE
4
R947
270 (GT570UE)
R926
330 (GT570UI/GT570UP)
1.2k
1K (GT62UMI)
R920
1.2K (GT57UPW/GT574UI/
1.5k
S905
S913
GT620UI/GT626UI)
SEEK–
LED947
3
R927
1.5k
R921
1.8k
S906
S914
ALBUM
2
R928
1.8k
R922
2.2k
S907
S915
ZAP
ALBUM
1
R929
2.2k
S916
(GT57UPW/GT62UMI/GT620UI/GT626UI)
PTY
CAT
PTY
R961
(GT570UP)
PTY
LED965
GT570UE/
AF/TA
LED959
GT570UI/
GT574UI
SCRL
SHUF
DSPL
2
4
LED961
LED963
5
PAUSE
3
6
RE901
3
1
ROTARY
ENCODER
7
6
PUSH ENTER/MENU
R967
(VOLUME)
5
2
4
PUSH ENTER/MENU/
R963
R977
(VOLUME)
R961
330 (GT570UE)
470 (GT570UI/GT570UP)
1K (GT57UPW/GT62UMI/GT574UI/GT620UI/GT626UI)
R963
330 (GT570UE)
470 (GT570UI/GT570UP)
1K (GT62UMI)
1.2K (GT57UPW/GT574UI/GT620UI/GT626UI)
R967
330 (GT570UE)
470 (GT570UI/GT570UP)
1K (GT57UPW/GT62UMI/GT574UI/GT620UI/GT626UI)
R977
330 (GT570UE)
470 (GT570UI/GT570UP)
1K (GT62UMI)
1.2K (GT57UPW/GT574UI/GT620UI/GT626UI)
37
37
11
12
13
R973
100
IC902
LED901
NHSW157AT
1
3
2
REMOTE CONTROL
RECEIVER
R971
IC902
150
PNJ4813M01S0
R972
150
S[4]
2.6
R995
R996
49 SEG4
1M
0
S[3]
2.6
50 SEG3
COM[4]
2.6
C928
51 COM4
0.1
COM[3]
2.6
52 COM3
COM[2]
2.6
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
57 VDD1
1.7
58 VDD2
C924
59 VSS
0.1
S[1]
2.6
C922
60 SEG1
0.47
5
61 INH
CE
0
62 LCD_CE
R997
3.3
470
63 LCD_CLK
0
64 LCD_DATA
R998
470
CLK
R999
IC B/D
470
DATA
C925
C926
C927
18p
18p
18p
0
5.2
LTC014TUBFS8TL
LED DRIVE
GT57UPW/
0
GT570UP
5.2
APP
GT62UMI/GT570UE/
Q931
GT570UI/GT574UI/
LTC914TUBFS8TL
GT620UI/GT626UI
LED DRIVE
R975
0
53
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
LCD901
LIQUID CRYSTAL DISPLAY PANEL
Ver. 1.1
14
15
16
17
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
2.6
S[21]
SEG21
32
2.6
S[22]
SEG22
31
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
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Note: Refer to the servicing notes "NOTE FOR REPLACEMENT
OF THE USB CONNECTOR (CN903) AND THE AUX
JACK (J901)" on page 5, if replacing CN903 and J901.