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CDX-GT66UPW
4-13. SCHEMATIC DIAGRAM - KEY Board -
1
2
3
4
KEY BOARD
A
B
R998
FB901
4.7k
C
J901
FB902
AUX
R997
FB903
4.7k
D
C903
R978
C993
0.1
100
CN901
C995
20P
1000p
C904
AUX-R
1
1000p
E
AUX-GND
2
KEY1
3
KEY0
4
KEYGND
5
LCD-DATA
6
LCD-CE
7
GND-USB
8
B
VBUS-USB
9
F
GND-LCDLED
10
SUB
GND-LCDLED
11
BOARD
CN201
D- (USB)
12
(Page
D+ (USB)
13
24)
LCD-CLK
14
SIRCS
15
RE0
16
RE1
17
G
DOORSW
18
+B-LCDLED
19
0.5
AUX-L
20
Q971
RT1P141C-TP-1
SWITCH CONTROL
D976
CN971
RKZ6.8B2KGP1
H
D975
RKZ6.8B2KGP1
D978
DA2J10100L
4
3
2
1
D979
RKZ6.8B2KGP1
I
S971
FRONT PANEL
C905
OPEN/CLOSE DETECT
4.7
CDX-GT66UPW
• See page 27 for IC Block Diagrams.
5
6
7
LED988
SMLV56RGB1U1
(LCD BACKLIGHT)
LED990
SMLV56RGB1U1
(RING ILLUMINATION)
R918
R919
56
10
R916
R933
R934
R920
R935
Q972
56
10k
Q973
10k
Q974
33
10k
RT3CLLM
RT3CLLM
RT3CLLM
RT3CLLM
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
-1
-2
-1
-2
-1
-2
R926
R947
R928
R958
R930
R967
R932
1
56
120
56
56
39
120
56
D901
D902
D903
D904
RKZ6.8B2KGP1
RKZ6.8B2KGP1
RKZ6.8B2KGP1
RKZ6.8B2KGP1
D911
D910
RKZ6.8B2KGP1
RKZ6.8B2KGP1
D971
D972
R977
R976
RKZ6.8B2KGP1
RKZ6.8B2KGP1
10
10
5.1
L921
5
1
3
2
4
IC B/D
IC971
USB BUS SWITCH
IC971
74LVC2G66DC-125
0.3
5.1
1
1Y
VCC
8
0.3
5
2
1Z
1E
7
5
0.3
3
2E
2Z
6
0.3
4
GND
2Y
5
R972
R971
10k
10k
8
9
10
11
LED989
SMLV56RGB1U1
(KEY ILLUMINATION)
R900
82
R910
R911
R912
68
10
33
LED986
SMLV56RGB1U1
(KEY ILLUMINATION)
R940
R901
R902
Q975
10k
Q976
10k
Q977
10k
RT3CLLM
RT3CLLM
LED DRIVE
LED DRIVE
-1
-2
-1
-2
-1
-2
R968
R937
R989
R939
R990
270
56
56
39
120
D905
D908
D907
D909
RKZ6.8B2KGP1
RKZ6.8B2KGP1
RKZ6.8B2KGP1
RKZ6.8B2KGP1
R974
470
LCD-DATA
R973
470
LCD-CE
R975
470
LCD-CLK
R951
R952
R953
R954
R955
820
1k
1k
1.2k
1.5k
S951
S952
S953
S954
S955
SOURCE
SEEK+
ZAP
OFF
3
MODE
5
R999
10
2
S959
S960
S961
S962
S963
SCRL
PAUSE
5
SHUF
REP
DSPL
6
4
4
1
RE901
ROTARY
ENCODER
PUSH ENTER/
R959
R960
R961
R962
SELECT
820
1k
1k
1.2k
(VOLUME)
26
26
12
13
14
15
R983
R988
100
100
IC984
60
59
R984
100
REMOTE CONTROL
RECEIVER
S59
2.5
R985
IC984
61
S63
100
RS-470
S60
2.5
62
4.9
S64
VCC
GND1
S61
2.5
1
3
63
R986
4.7
S65
220
OUT
GND2
S62
2.5
2
4
64
S66
COM1
2.5
65
COM1
COM2
2.5
R987
C986
66
COM2
1k
2.2
COM3
2.5
67
COM3
COM4
2.5
68
COM4
S63
2.5
R981
69
S67
100
5.9
70
VDD
3.3
71
VDD1
1.7
72
VDD2
73
VSS
R982
S64
2.5
1.5M
74
S68/OSCI
2.5
75
INH
LCD-CE
0
76
CE
LCD-CLK
3.2
C985
C984
C983
C982
C981
77
CL
1
0.47
1
0.1
0.1
LCD-DATA
2.9
78
DI
79
P1/S1
80
P2
IC B/D
1
2
R956
R957
1.8k
2.2k
S956
S957
SEEK-
COLOR
S964
S965
S966
ALBUM
ALBUM
3
2
1
PTY
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
R963
R964
R965
1.5k
1.8k
2.2k
72
71
70
69
68
67
66
65
64
63
62
61
R966
3.3k
Note: Refer to the servicing notes "NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN971) AND THE AUX JACK (J901)"
(See page 4), if replacing the Ref. No. CN971 and the Ref. No. J901.
16
17
18
58
57
56
55
54
53
51
48
47
46
45
44
42
41
52
50
49
43
2.5
S40
S42
40
2.5
S39
39
S41
2.5
S38
38
S40
2.5
S37
37
S39
2.5
S36
36
S38
2.5
S35
35
S37
2.5
S34
34
S36
2.5
S33
33
S35
2.5
S32
IC981
32
S34
2.5
S31
31
S33
LIQUID CRYSTAL DISPLAY DRIVER
2.5
S30
30
S32
IC981
2.5
S29
LC75879PT-US-H
29
S31
2.5
S28
S30
28
2.5
S27
S29
27
2.5
S26
S28
26
2.5
S25
25
S27
2.5
S24
24
S26
2.5
S23
23
S25
2.5
S22
22
S24
2.5
S21
21
S23
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
LCD901
LIQUID CRYSTAL DISPLAY
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40 39 38 37
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