Read Sony CDX-GT680UI / CDX-GT686UI (serv.man2) Service Manual online
SERVICE MANUAL
SUPPLEMENT-1
9-889-308-81
Ver. 1.1 2008.11
File this supplement with the service manual.
CDX-GT680UI/GT686UI
E Model
CDX-GT680UI
Indian Model
CDX-GT686UI
Subject: Change the KEY board
Printed wiring board and schematic diagram of new type, and changed
parts list are described in this Supplement-1.
When performing service and inspection, check the suffi x of the part
number of the KEY board.
parts list are described in this Supplement-1.
When performing service and inspection, check the suffi x of the part
number of the KEY board.
DISCRIMINATION
KEY BOARD Part No.
Former: 1-877-076-11
New : 1-877-076-12
Former: 1-877-076-11
New : 1-877-076-12
— KEY BOARD (SIDE A) —
— KEY BOARD (SIDE B) —
CDX-GT680UI/GT686UI
2
•
A : B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• no mark : FM
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
L :
AUX
c :
USB
• (( )) : Page of Service Manual.
For schematic diagrams:
Note:
Note:
• All capacitors are in
μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specifi ed.
For Printed Wiring Boards:
Note:
•
•
X : Parts extracted from the component side.
•
Y : parts extracted from the conductor side.
•
a :
Through
hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• (( )) : Page of Service Manual.
CDX-GT680UI/GT686UI
CDX-GT680UI/GT686UI
3
3
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
B
SUB BOARD CN201
DSPL/
SCRL
SCRL
2/ALBUM +
1/ALBUM –
N
SEEK–
SEEK–
CN971
(USB)
S971
FRONT
PANEL
OPEN
DETECT
RE901
PUSH ENTER/
SELECT
(VOLUME)
1-877-076-
1-877-077-
(12)
11
(12)
12
(12)
12
1-877-076-
W0G
W0L
W0R
FB901
FB902
FB903
1
36
72
37
E C B
B C E
B C E
B C E
D975
D976
D977
D978
D979
IC982
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LED901
LED902
LED903
LED904
LED905
LED906
LED907
LED908
LED909
LED910
LED91
1
LED912
LED913
LED914
LED915
LED916
LED917
LED918
LED919
LED920
LED921
LED922
LED923
LED924
LED925
LED926
LED927
LED928
LED929
LED930
LED931
LED932
LED933
LED934
LED935
LED936
LED937
LED938
LED939
LED940
LED941
Q971
R918
R920
Q991
Q992
Q993
2
3
1
4
R938
LED991
LCD BACK
LIGHT-R
LED992
R940
C905
R957
R965
R966
R971
LED916
LED936
S959
LED915
6/PAUSE
LED935
S960
LED914
5/DM+
LED934
S961
LED913
4/SHUF
4/SHUF
LED933
S962
LED912
3/REP
LED932
S963
LED911
LED931
S964
LED910
LED930
S965
LED909
LED929
BTM
S966
S957
MODE
LED908
(RING ILLUMINATOR)
LED928
LED917-920,937-939,941
S958
LED906
LED926
S956
LED902
LED922
S951
OFF
LED901
LED921
LED905
LED925
S953
LED903
LED923
S954
ZAP
S952
SOURCE
LED907
LED927
S955
LED940
LED904
LED924
R972
CN971
R994
R995
R996
S951
S952
S953
S954
S955
S956
S957
S958
S959
S960
S961
S962
S963
S964
S965
S966
C991
RE901
C992
C993
10
1
20
11
D971
D972
5
6
4
1
D981
D982
IC971
IC981
W0G
W0L
W0R
Q901
Q921
L921
R900
R901
R902
R903
R904
R905
R906
R907
R908
R909
R910
R91
1
R912
R913
R914
R915
R916
R917
R919
CN901
R924
R925
R926
R929
R930
R931
R932
R933
R934
R935
R936
R937
R939
C901
E C B
B C E
C902
C903
C904
R942
R943
R944
R945
R946
R951
R952
R953
R954
R955
R956
R958
R959
C921
C922
R960
BRN
RED
ORG
BRN
RED
ORG
R961
R962
R963
R964
R973
R974
R975
R976
14
85
R977
R978
R981
R982
R983
R984
R985
R986
R987
R988
R991
R992
R993
R997
R998
D901
D902
D903
D904
D905
D906
D907
D908
D909
D910
D911
C981
C982
C983
61
80
40
21
60
41
1
20
C984
C985
C986
S971
C999
LCD BACK
LIGHT-L
.
SEEK+/
J901
AUX
1. PRINTED WIRING BOARDS – KEY Section –
•
: Uses unleaded solder.
Ref. No. Location
• Semiconductor Location
Ref. No. Location
(D901) H-9
(D902) H-9
(D903) H-10
(D904) H-10
(D905) H-10
(D906) G-10
(D907) H-11
(D908) H-10
(D909) H-9
(D904) H-10
(D905) H-10
(D906) G-10
(D907) H-11
(D908) H-10
(D909) H-9
(D910) G-11
(D911) G-11
(D971) G-12
(D972) G-12
D975
(D911) G-11
(D971) G-12
(D972) G-12
D975
C-11
D976
B-11
D977
B-12
D978
B-12
D979
C-11
(D981) G-7
(D982) H-7
(IC971) G-11
(IC981) H-8
IC982
B-5
LED901 B-2
LED902 C-3
LED903 B-3
LED904 C-2
LED905 B-3
LED906 D-2
LED907 B-3
LED908 C-3
LED909 D-6
LED910 D-7
LED911 D-7
LED912 D-8
LED913 D-9
LED914 D-9
LED915 D-10
LED916 D-11
LED917 B-4
LED916 D-11
LED917 B-4
LED918 C-4
LED919 C-5
LED920 D-4
LED921 B-2
LED922 C-3
LED923 B-3
LED924 C-2
LED925 B-2
LED926 D-3
LED927 B-3
LED928 C-3
LED929 D-6
LED930 D-7
LED931 D-7
LED932 D-8
LED933 D-8
LED934 D-9
LED935 D-10
LED936 D-10
LED937 B-4
LED936 D-10
LED937 B-4
LED938 C-4
LED939 C-5
LED940 C-2
LED941 D-4
LED991 C-11
LED992 C-6
LED992 C-6
(Q901) G-4
(Q921) H-4
Q971
B-12
Q991
C-5
Q992
B-5
Q993
B-5
( ): SIDE B
((Page 21))
CDX-GT680UI/GT686UI
CDX-GT680UI/GT686UI
4
4
2. SCHEMATIC DIAGRAM – KEY Section –
• See page 5 for IC Block Diagram.
C
A
10
12
14
7
H
1
3
F
2
13
J
4
D
8
G
5
E
11
15
9
6
B
I
IC B/D
SUB
BOARD
CN201
B
5.1
5.1
0
0
0
0
5.1
5.1
0.6
5.1
0
5.7
5.7
0
5.7
0
8.9
0
10.5
9.8
10.5
4.9
4.8
4.8
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
0
5.7
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
5.7
3.2
1.6
3.2
1.6
2.4
2.5
0.3
3.1
2.5
0.3
3.1
3
5.7
5.7
5.7
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
LCD901
LIQUID CRYSTAL DISPLAY PANEL
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
1
4
3
2
44
40 39 38 37
41
42
43
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
LC75876WH-US-E
IC981
P3/S3
P4/S4
P5/S5
P6/S6
P7/S7
P8/S8
S9
S10
S1
1
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
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
S64
S65
S66
COM1
COM2
COM3
COM4
S67
VDD
VDD1
VDD2
VSS
S68/OSCI
INH
CE
CL
DI
P1/S1
P2/S2
S64
S65
S66
COM1
COM2
COM3
COM4
S67
VDD
VDD1
VDD2
VSS
S68/OSCI
INH
CE
CL
DI
P1/S1
P2/S2
3
1
2
4
L921
8765
4
3
2
1
SN74LVC2G66DCUR
IC971
1Y
1Z
2E
GND
2Y
2Z
1E
VCC
S951
S952
S953
S954
S955
S956
S957
S958
S959
S960
S961
S962
S963
S964
S965
S966
RT1N141C-TP-1
Q993
RING ILLUMI LED CONTROL
RT1P141C-TP-1
Q971
USB ON/OFF CONTROL
NESW505CT
-AST
LED991
(R)
NESW505CT
-AST
LED992
(L)
R992
220
ISA1235AC1TP-1EF
Q992
0.1
C981
0.1
C982
0.022
C983
MA2J1110GLS0
D982
MAZ8062GMLS0
D981
2.2
C986
SML-310PTT86
LED927
SML-310PTT86
LED928
SML-310PTT86
LED935
SML-310PTT86
LED936
SML-310PTT86
LED925
SML-310PTT86
LED926
SML-310PTT86
LED933
SML-310PTT86
LED934
SML-310PTT86
LED923
SML-310PTT86
LED924
SML-310PTT86
LED931
SML-310PTT86
LED932
SML-310PTT86
LED921
SML-310PTT86
LED929
SML-310PTT86
LED930
SML-310PTT86
LED939
SML-310PTT86
LED937
SML-310PTT86
LED938
SML-310PTT86
LED941
MA2J1110GLS0
D978
SML-310PTT86
LED922
150
R937
150
R939
150
R925
150
R935
150
R933
150
R931
150
R929
R991
220
R993
0
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
R958
3.3k
R966
100k
R995
10k
R996
4.7k
R998
4.7k
R997
470
R973
470
R974
470
R975
1k
R987
10
R976
10
R977
R972
10k
R971
10k
RB501V-40TE-17
D977
MAZ8068GMLS0
D905
MAZ8068GMLS0
D904
MAZ8068GMLS0
D903
MAZ8068GMLS0
D902
MAZ8068GMLS0
D901
MAZ8068GMLS0
D972
MAZ8068GMLS0
D971
MAZ8068GMLS0
D975
MAZ8068GMLS0
D976
MAZ8068GMLS0
D907
MAZ8068GMLS0
D908
MAZ8068GMLS0
D909
1000p
C901
1000p
C921
1000p
C991
1000p
C992
0.1
C922
0.1
C902
1.8k
R994
100
R978
100
R988
150
R981
0.1
C903
1000p
C904
LTC614TKFP8T146
Q901
BLUE LED DRIVER
LTC614TKFP8T146
Q921
GREEN LED DRIVER
LTC614TKFP8T146
Q991
DIMMER CONTROL
VCC
OUT
GND1
GND2
RS-470
IC982
R938
120
R940
120
R924
220
R926
0
R936
120
R934
120
R932
120
R930
120
1234
CN971
56
R942
0
R943
150
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
KEY0
KEYGND
LCD-DATA
LCD-CE
GND-USB
VBUS-USB
GND-LCDLED
GND-LCDLED
GND-LCDLED
D- (USB)
D+ (USB)
LCD-CLK
LCD-CLK
SIRCS
RE0
RE1
RE1
DOORSW
+B-LCDLED
AUX-L
S971
41
2
3
2
45
3
1
67
C905
4.7
MAZ8180GMLS0
D906
0.47
C984
0.1
C985
470
R917
470
R918
470
R920
470
R919
470
R900
470
R901
470
R903
R904
220
470
R905
R906
220
470
R907
470
R908
470
R944
470
R945
470
R946
470
R915
R916
220
470
R913
R914
220
470
R911
R912
220
470
R909
R910
220
R902
220
1.5M
R982
W0L
W0G
W0R
MAZ8068GMLS0
D910
MAZ8068GMLS0
D911
LED940
SML-310PTT86
MAZ8068GMLS0
D979
0.1
C993
SCM015BC7TT86P
LED917
SCM015BC7TT86P
LED918
SCM015BC7TT86P
LED920
SCM015BC7TT86P
LED919
SCM015BC7TT86P
LED901
SCM015BC7TT86P
LED903
SCM015BC7TT86P
LED904
SCM015BC7TT86P
LED905
SCM015BC7TT86P
LED906
SCM015BC7TT86P
LED907
SCM015BC7TT86P
LED908
SCM015BC7TT86P
LED902
SCM015BC7TT86P
LED915
SCM015BC7TT86P
LED916
SCM015BC7TT86P
LED913
SCM015BC7TT86P
LED914
SCM015BC7TT86P
LED91
1
SCM015BC7TT86P
LED912
SCM015BC7TT86P
LED909
SCM015BC7TT86P
LED910
1000p
C999
W0G
J901
FB901
W0L
W0R
FB902
FB903
LCD-DA
TA
LCD-CLK
LCD-CE
BLUE
GREEN
RING
DIMMER
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
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
S1
1
S2
S3
S4
S5
S12
S14
S15
S16
S17
S18
S19
S20
S28
S26
S24
S23
S22
S21
S25
S27
S1
1
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
S64
COM4
COM3
COM2
COM1
S1
S29
S30
S33
S31
S59
S60
S61
S62
COM1
COM2
COM3
COM4
S63
S60
S61
S62
COM1
COM2
COM3
COM4
S63
S64
S13
S32
RING
DIMMER
GREEN
BLUE
LCD-DATA
LCD-CE
LCD-CLK
AUX-L
AUX-R
AUX-G
AUX-R
AUX-G
AUX-L
AUX-L
AUX-GND
AUX-R
OFF
SOURCE
MODE
ZAP
/SEEK–
OFF
5/DM+
6/PAUSE
MODE
DSPL/SCRL
ZAP
SOURCE
2/ALBUM +
SEEK+/
3/REP
4/SHUF
PUSH ENTER/SELECT
FRONT
PANEL
OPEN
DETECT
A
E
B
D
C
VBUS-USB
GND-USB
D+
D–
D–
LCD DRIVER,
LED CONTROL
IC981
REMOTE CONTROL
SIGNAL RECEIVER
IC982
KEY BOARD
JACK BOARD
IC971
USB SELECT SWITCH
AUX-GND
AUX-L
AUX-R
1/ALBUM –
(VOLUME)
ROTARY ENCODER
RE901
CN971
6P
(USB)
Q992
RING ILLUMI
LED DRIVER
LED DRIVER
LED917-920,937-939,941
(RING ILLUMINATOR)
LED901,921
SEEK+/
/SEEK–
5/DM+
6/PAUSE
DSPL/SCRL
2/ALBUM +
3/REP
4/SHUF
1/ALBUM –
LED904,924,940
LED903,923
LED905,925
LED906,926
LED907,927
LED908,928
LED902,922
LED910,930
LED909,929
LED912,932
LED911,931
LED913,933
LED914,934
LED915,935
LED916,936
LED991,992
(LCD BACK LIGHT)
AUX
1
2
3
4
BTM
S971
BTM
((Page 22))
