Service manual
CDX-GT65UIW
CDX-GT65UIW
2121
4-8. SCHEMATIC DIAGRAM - KEY Board -
• See page 22 for IC Block Diagrams.
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN971) AND THE AUX JACK (J901)”
(See page x), if replacing the Ref. No. CN971 and the Ref. No. J901.
CN201
BOARD
B
SUB
IC B/D
IC B/D
4.9
4.7
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5.9
3.3
1.7
2.5
2.5
0
3.2
2.9
0.5
5.1
5
0.3
5
0.3
5.1
5
0.3
0.3
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
31
24
L921
8
7
6
54
3
2
1
74LVC2G66DC-125
IC971
1Y
1Z
2E
GND 2Y
2Z
1E
VCC
RT1P141C-TP-1
Q971
100
R983
100
R984
100
R985
220
R986
820
R951
820
R959
1k
R960
1k
R961
1k
R953
1k
R952
1.2k
R954
1.2k
R962
1.5k
R955
1.5k
R963
1.8k
R956
1.8k
R964
2.2k
R957
2.2k
R965
3.3k
R966
470
R973
470
R974
470
R975
1k
R987
R972
10k
R971
10k
RB501V-40TE-17
D977
100
R978
1000p
C904
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20P
CN901
AUX-R
AUX-GND
KEY1
KEY0
KEYGND
LCD-DATA
LCD-CE
GND-USB
VBUS-USB
GND-LCDLED
GND-LCDLED
D- (USB)
D+ (USB)
LCD-CLK
SIRCS
RE0
RE1
DOORSW
+B-LCDLED
AUX-L
0.47
C984
1.5M
R982
1
C993
R998
4.7k
R997
4.7k
LCD901
567891011121314151617181920212223242526272829303132333435361432
44 40 39 38 3741424345464748495051525354555657585960616263646566676869707172
FB901
FB902
FB903
VCC
OUT
GND1
GND2
RS-470
IC984
1
2
3
4
1000p
C995
RKZ18B2KGP1
D906
RKZ6.8B2KGP1
D911
RKZ6.8B2KGP1
D910
RKZ6.8B2KGP1
D908
RKZ6.8B2KGP1
D907
RKZ6.8B2KGP1
D909
RKZ6.8B2KGP1
D901
RKZ6.8B2KGP1
D902
RKZ6.8B2KGP1
D903
RKZ6.8B2KGP1
D904
RKZ6.8B2KGP1
D905
RKZ6.8B2KGP1
D971
RKZ6.8B2KGP1
D972
RKZ6.8B2KGP1
D975
RKZ6.8B2KGP1
D976
RKZ6.8B2KGP1
D979
RKZ6.2B2KGP1
D981
RE901
100
R988
RT3CLLM
Q972
RT3CLLM
Q973
RT3CLLM
Q974
RT3CLLM
Q975
RT3CLLM
Q976
RT3CLLM
Q977
10k
R934
10k
R933
10k
R935
10k
R940
10k
R901
10k
R902
10
R911
1
2
3
4
CN971
56
R926
56
R932
120
R967
120
R990
100
R981
10
R999
120
R947
39
R930
56
R928
56
R958
56
R937
56
R989
39
R939
82
R900
33
R912
68
R910
270
R968
SMLV56RGB1U1
LED988
SMLV56RGB1U1
LED986
SMLV56RGB1U1
LED989
SMLV56RGB1U1
LED990
J901 56
R918
56
R916
10
R919
33
R920
LC75879PTH-US-H
IC981
1
P3
2
P4
3
S5
4
S6
5
S7
6
S8
7
S9
8
S10
9
S11
10
S12
11
S13
12
S14
13
S15
14
S16
15
S17
16
S18
17
S19
18
S20
19
S21
20
S22
21
S23
22
S24
23
S25
24
S26
25
S27
26
S28
27
S29
28
S30
29
S31
30
S32
31
S33
32
S34
33
S35
34
S36
35
S37
36
S38
37
S39
38
S40
39
S41
40
S42
41
S43
42
S44
43
S45
44
S46
45
S47
46
S48
47
S49
48
S50
49
S51
50
S52
51
S53
52
S54
53
S55
54
S56
55
S57
56
S58
57
S59
58
S60
59
S61
60
S62
61
S63
62
S64
63
S65
64
S66
65
COM1
66
COM2
67
COM3
68
COM4
69
S67
70
VDD
71
VDD1
72
VDD2
73
VSS
74
S68/OSCI
75
INH
76
CE
77
CL
78
DI
79
P1/S1
80
P2
0.1
C903
0.1
C982
0.1
C981
C905
4.7
2.2
C986
DA2J10100L
D978
DA2J10100L
D982
22
R977
22
R976
0.1
C985
0.022
C983
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S40
S39
S41
S58
S57
S56
S55
S54
S53
S52
S51
S50
S49
S15
S14
S48
S47
S42
S43
S44
S45
S46
S20
S19
S18
S17
S16
S13
S12
S11
S2
S3
S4
S5
S12
S14
S15
S16
S17
S18
S19
S20
S28
S26
S24
S23
S22
S21
S25
S27
S11
S10
S9
S8
S7
S6
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
S49
S50
S51
S52
S53
S54
S55
S56
S57
S58
S59
S60
S61
S62
S63
COM4
COM3
COM2
COM1
S1
S29
S30
S33
S31
S59
S60
S61
S62
COM1
COM2
COM3
COM4
S63
S64
S13
S32
LCD-DATA
LCD-CLK
LCD-CE
S64
LCD-CLK
LCD-CE
LCD-DATA
LIQUID CRYSTAL DISPLAY
COLOR
S957
SEEK+ SEEK-
S956
ZAP
S955S954
MODE
S953S952
OFF
S951
SOURCE
S965S964S963S962S961S960S959
ROTARY
ENCODER
USB BUS SWITCH
IC971
KEY BOARD
REMOTE CONTROL
IC984
LIQUID CRYSTAL DISPLAY DRIVER
IC981
RECEIVER
LED DRIVELED DRIVELED DRIVELED DRIVE LED DRIVELED DRIVE
S971
FRONT PANEL
OPEN/CLOSE DETECT
SWITCH CONTROL
AUX
(KEY ILLUMINATION)
(KEY ILLUMINATION)
(RED)
(GRN)
(BLU)
(RED)
(BLU)
(GRN)
(RED)
(BLU)
(GRN)
(RED)
(BLU)
(GRN)
(LCD BACKLIGHT)
(RING ILLUMINATION)
5
2
4
1
3
SELECT
PUSH ENTER/
(VOLUME)
1
ALBUM
2
ALBUM
3
REP
4
SHUF5
6
PAU SE
DSPL
SCRL
168
I
142 1512
A
D
5
B
7
C
176113
H
F
13
G
9
E
101 184
-2-1-1 -2-1 -2-1 -2-1 -2-1 -2
S966
PTY
CAT
(Page
19)