MEX-BT2700/BT2707E/BT2750
MEX-BT2700/BT2707E/BT2750
28
28
4-5. PRINTED WIRING BOARD - KEY Board -
•
: Uses unleaded solder.
• See page 23 for Circuit Boards Location.
LED952
LSW903
IC971
LED931
LSW906
S901
LSW901
LSW904
LED951
LED941
R975
C971
LED953
LSW912
R944
R905
R904
R907
R908
LSW908
R971
R902
LSW909
LSW910
R942
LSW911
LSW905
LSW907
R915
R954
R953
LED944
LSW913
R947
R1942
R1943
LSW914
C991
C990
R946
LSW902
LCD901
LIQUID CRYSTAL DISPLAY
CAT
BTM
PTY
AF/TA
BTM
(BT2700: US, CND/BT2750: MX)
(BT2700: AEP, IT, UK/BT2707E)
(BT2750: E, EA, IND)
MODE
SEEK–
SEEK+
BT
LED951-953
(VOLUME)
SOURCE
OFF
J901
RE901
C921
C922
R922
R921
R979
R978
R977
R1944
R982
R974
D982
D981
R981
FB903
D993
R933
R931
R932
Q932
R909
D992
R913
R949
R914
R952
R950
D991
D994
IC901
R910
CN901
Q931
R934
R901
R992
D903
Q995
C986
C984
R986
C983
R985
R984
C981
R987
R951
R912
R948
R903
R1941
R945
R973
D985
D986
R990
C997
C999
C998
C995
C996
R911
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
(LCD BACK LIGHT)
A1
A2
K1
K2
S1
S2
LSW901 - 914
LED944
LED931, 941, 944,
LED951–953
A
K
A
K
A
K
A
K
A
K
–ALBUM
1
ALBUM+
2
REP
3
SHUF
4
MIC
5
PAUSE
6
LED941, S901
1-878-799-
11
(11)
KEY BOARD
(COMPONENT SIDE)
DSPL
SCRL
PUSH SELECT /
1
52
2
1
3
4
PUSH SELECT /
ROTARY ENCODER
RE901
(VOLUME)
AUX
1-878-799-
11
(11)
KEY BOARD
(CONDUCTOR SIDE)
3
4
5
2
1
A
B
C
D
E
1
2
3
4
5
6
7
8
9
10
11
DISC SLOT
ILLUMINATION
Ref. No. Location
• Semiconductor
Location
D903
F-8
D981
F-8
D982
E-7
D985
F-9
D986
F-9
D991
F-9
D992
F-9
D993
F-9
D994
F-9
IC901
F-6
IC971
C-11
LED931 B-10
LED941 B-2
LED944 B-6
LED951 B-3
LED952 C-4
LED953 C-3
Q931
F-10
Q932
F-10
Q995
F-3
Note:
Refer to the servicing notes “NOTE FOR REPLACEMENT OF THE
AUX JACK (J901)” (See page 5), if replacing the Ref. No. J901.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299