Sony MEX-1GP Service Manual ▷ View online
29
29
MEX-1GP
MEX-1GP
3-13. PRINTED WIRING BOARD — SUB SECTION —
• Refer to page 22 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
CN904
22
1
LED920
LED919
D941
D940
CN501
S901
R1023
KEY BOARD
CN902
C
MAIN BOARD
CN602
B
LED919, S901
(DISC IN)
Z
1-868-870-
(11)
11
1-868-870-
(11)
11
(Page 30)
(Page 25)
30
30
MEX-1GP
MEX-1GP
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
LED922
C905
R1100
Q904
R1012
C909
R1011
LF1001
R1010
C920
C929
R1009
R990
R992
R951
R1041
R955
R957
R959
R910
D919
R971
R973
R984
R986
R985
R987
R991
R993
R995
R997
R998
R974
R972
R994
R950
R901
R953
R961
R962
R963
R960
R958
LED921
R975
R976
R1008
R940
R977
R911
S912
R978
R979
R980
R981
R982
R983
CN901
LED916
LSW902
LSW908
LSW904
LSW905
LSW906
LSW903
LSW907
S915
S902
S903
S904
S905
C946
S906
S907
S908
S909
S911
S910
LED903
LED914
C941
LED913
LED901
LED902
LED904
LED905
LED906
LED907
LED910
LED915
LED912
LED911
LED909
R1013
R1017
C969
D938
C971
R937
R938
D916
LSW901
IC912
R1055
LED908
R1056
LED917
LED917
(LCD BACK LIGHT)
LED916
(LCD BACK LIGHT)
LED908,909,911,912
(VOL ILLUMINATION)
(VOL ILLUMINATION)
LCD901
(LIQUID CRYSTAL DISPLAY PANEL)
1
31
62
32
R954
TP903
X1002
R902
R903
R918
C912
C915
C917
C914
C926
IC905
R935
R1007
R933
R936
R1042
IC907
C901
R904
FB903
R1030
FB904
C927
R1039
IC914
IC904
C922
E1002
IC913
E1001
FB1000
L901
C902
C903
X1003
IC908
C968
D921
R914
C908
VDR901
C910
IC906
IC916
C957
C977
D904
C916
C918
C921
R923
C933
C919
D917
C936
C940
Q903
FB905
FB902
FB901
C911
IC915
C904
R916
C924
C937
C935
4
3
1
6
Q905
R964 R965
R966
R967
R968 R969
R970
R932
R1053
R1026
IC910
R996
RB1003
R906
R1018
R1000
D939
R1022
Q906
R1020
R1019
R921
R1003
R909
R1043
R1033
R1034
FB907
FB906
D923
C967
C925
R948
RB1004
FB911
IC911
C931
R907
R908
R919
R920
C949
C950
C952
C953
R1038
C954 C955
C961
C962
C966
C963
C960
R1027
R1028
C943
R1029
R1054
R1040
IC902
D920
D902
RB1005
R913
RB1002
RB1001
IC901
C928
C938 C939
C934
C932
R924
R925
R926
R927
R927
R928
R931
C945
C958
C959
R1021
C964
R1037
C930
R1002
R1001
R946
R945
R944
R943
R942
R947
R949
C942
C944
C947
R912
CN902
R1052
FB912
FB910
FB909
FB914
FB913
FB908
C975
D903
IC903
4
6
3
1
D922
C906
R1035
R1036
C978
R1005
R1057
R1058
R1059
R1061
R1062
R1060
RE901
R1032
R922
R915
C923
D905
D908
D907
D906
D912
D911
D913
60
61
80
1
20
21
40
41
C974
C972
C973
C970
96
97
128
1
32
33
64
65
48
45
24
1
SUB BOARD
CN501
C
LSW901
OFF
LSW908
LSW905
GP/ALBM
IC912
AEP,UK,E MODEL
US,CND MODEL
LSW907
BTM/CAT
PTY
LED903,S910
DSO
S912
OPEN
LED915,
LED922,S902
US,CND
MODEL
MODEL
AEP,UK,E
MODEL
MODEL
AEP,UK,E
MODEL
MODEL
US,CND
MODEL
MODEL
SOURCE
LED910,S902
MODE
LED921
DATA
RE901
VOL/PUSH SELECT
SEEK–
. m
/
SEEK+
M >
/
LED904,S906
3/REP
LED902,S907
4/SHUF
LED901,S908
5/BBM MP
LED913,S909
6/PAUSE
LED914, S911
EQ3
LSW902
DSPL
LED906,S904
1
LED905, S905
2
LED907,S903
SCRL
AF/TA
LSW906
SENS
SENS/BTM
1-860-869-
(11)
11
1-860-869-
(11)
11
3-14. PRINTED WIRING BOARD — KEY SECTION —
• Refer to page 21 for Circuit Boards Location.
: Uses unleaded solder.
(Page 29)
D916
D-3
D917
G-11
D919
D-4
D920
H-11
D921
G-2
D922
G-2
D923
I-11
D938
B-4
D939
G-9
Ref. No.
Location
D902
G-11
D903
I-11
D904
I-10
D905
I-12
D906
I-12
D907
I-12
D908
I-12
D911
G-12
D912
G-12
D913
G-12
• Semiconductor Location
Ref. No.
Location
IC901
I-3
IC902
G-4
IC903
H-2
IC904
G-2
IC905
G-3
IC906
H-8
IC907
H-4
IC908
H-8
IC910
G-6
IC911
H-7
Ref. No.
Location
Ref. No.
Location
IC912
B-4
IC913
H-10
IC914
G-5
IC915
H-5
IC916
H-5
LED901
D-11
LED902
D-10
LED903
B-13
LED904
D-10
Ref. No.
Location
LED905
D-9
LED906
D-8
LED907
D-7
LED908
B-3
LED909
B-4
LED910
D-6
LED911
C-3
LED912
C-4
LED913
D-12
LED914
D-13
Ref. No.
Location
LED915
D-5
LED916
C-13
LED917
C-6
LED921
D-3
LED922
D-5
Q903
G-3
Q904
B-14
Q905
F-6
Q906
F-6
IC907 in the key board is not supplied.
The IC907 cannot be replaced. The complete key board
should be replaced.
The IC907 cannot be replaced. The complete key board
should be replaced.
31
31
MEX-1GP
MEX-1GP
3-15. SCHEMATIC DIAGRAM — KEY SECTION (1/2) —
TP903
D902
D903
D904
D905
D906
D907
D908
D911
D912
D913
D917
D920
R1009
R1018
R1019
R1020
R968
R969
R970
R982
R983
R951
R955
R957
R959
R971
R973
R986
R992
R984
R990
R995
R994
R997
R998
R1008
C969
R1013
R1017
C970
R908
C974
R1012
R1011
R1010
R1026
R1027
R1039
R1028
R1029
R991
R993
R987
R974
R960
R953
R950
R958
R972
R985
LSW901(1/2)
R961
R962
LSW902(1/2)
R975
R963
R964
S912
R976
R965
R938
R966
LSW906(1/2)
R977
LSW903(1/2)
R978
R967
LSW907(1/2)
R979
R980
LSW908(1/2)
R981
LSW904(1/2)
LSW905(1/2)
RE901
IC912
R1022
R1021
C973
C972
C957
D938
C971
LSW907(2/2)
LSW903(2/2)
LSW906(2/2)
LSW908(2/2)
LSW902(2/2)
LSW901(2/2)
LSW904(2/2)
LSW905(2/2)
S915
S902
S903
S904
S905
S906
S907
S908
S909
S911
S910
D923
LCD901
Q906
Q905
Q904
CN904
R1023
D940
D941
LED919
LED920
CN902
CN501
S901
LED909
LED908
LED912
LED902
LED911
LED901
LED905
LED907
LED904
LED906
LED910
LED914
LED903
LED913
LED922
LED917
LED916
LED915
D939
IC913
(Page 28)
(Page 32)
32
32
MEX-1GP
MEX-1GP
C942
C945
FB1000
FB901
FB902
FB903
FB904
FB905
FB906
L901
LF1001
Q903
R1030
R1040
R1041
R1042
R1043
R912
R915
R922
R936
R940
R948
R996
VDR901
R919
R1053
R1054
R1055
C923
C932
C922
C977
C925
C928
C938
C939
R925
R924 R928
R926
IC906
C944
C943
C947
R1032
C903
C902
C901
CN901
C911
R901
C909
R902
R903
C912
R911
R907
R918
R921
R920
C927
R937
R1100
C920
C914
C905
C975
R913
C935
R935
C946
C941
IC914
C929
C931
X1003
C926
C930
R910
C915
C917
R914
R916
C924
C940
C937
C906
C908
C910
R904
C916
C918
C919
C921
R923
C933
C936
IC910
R927
C934
R931
R942
R943
R944
R945
R946
R947
R949
R932
R933
FB908
FB909
FB910
FB911
FB912
FB913
FB914
R1057
R1058
R1060
C953
C952
C954
C955
C964
C961
C960
C959
C958
R1038
R1037
R1059
R1033
R1034
C950
R1035
R1036
R1056
C949
R1007
R1003
R1005
R1000
C966
C963
R1002
C962
R1001
X1002
C967
C968
R1062
R1061
C978
R906
R909
FB907
IC911
IC901
IC903
IC904
D922
E1001
E1002
IC907
RB1001
RB1002
D921
IC905
D919
D916
C904
LED921
RB1005
IC902
IC916
IC915
RB1004
RB1003
IC908
R1052
3-16. SCHEMATIC DIAGRAM — KEY SECTION (2/2) —
• Refer to page 21 for Waveforms.
• Refer to page 40 for IC Pin Descriptions.
• Refer to page 40 for IC Pin Descriptions.
(Page 31)
IC907 in the key board is not supplied.
The IC907 cannot be replaced. The complete key board
should be replaced.
The IC907 cannot be replaced. The complete key board
should be replaced.
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