Read Sony MEX-BT2800 / MEX-BT2807E / MEX-BT2850 Service Manual online
MEX-BT2800/BT2807E/BT2850
MEX-BT2800/BT2807E/BT2850
26
26
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
4-5. PRINTED WIRING BOARD - KEY Board -
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
IC902
SEEK +
SEEK –
LED947, S903
BT
LSW906
LSW905
LSW904
LSW902
LSW903
LED948, S901
LED960, 961
(ILLUMINATION)
LED946, S905
SCRL
DSPL
DSPL
MIC
5
LSW908
LSW907
1-880-258-
(41)
41
1-880-258-
(41)
41
PUSH/SELECT/
(VOLUME)
S909
LED940, S907
AUX
J901
LED949, 950, 955, 956
LED945, S904
LED951, S902
MODE
LED952, S906
SOURCE
OFF
M >
. m
LED931
(LCD BACK LIGHT)
Z
LCD901
LIQUID CRYSTAL DISPLAY PANEL
3
4
5
1
2
1
52
LSW902
LSW903
LSW904
LSW905
LSW906
LSW907
LSW908
LED940
LED944
LED944
(DISC SLOT ILLUMINATION)
LED945
LED946
LED947
LED948
LED949
LED950
LED951
LED952
LED955
LED956
LED960
LED961
S901
S902
S903
S904
S905
S906
S907
S909
R988
R989
IC902
ECB
1
16
17
32
33
48
49
64
D982
D983
D985
D986
D991
D992
D993
D994
Q931
Q932
FB901
FB902
FB903
R901
R902
R903
R904
R905
R906
R907
R908
R910
R911
R912
R919
CN901
R921
R922
R922
R931
R933 R934
R935
R941
R942
R959
R960
R961
R962
R963
R964
R965
R966
R972
R973
R974
R975
R977
R978
R979
R980
R981
R982
R982
R983
R987
R990
R991
R992
R993
R995
R996
R997
D903
C971
C981
IC901
C983
C984
C986
14
2
15
1
A
MAIN BOARD CN701
ECB
A1
A2
K1
K2
S1
S2
1
3
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
PAUSE
6
REP
3
SHUF
4
ALBUM –
1
ALBUM +
2
PTY
CAT
PTY
PTY
(BT2800: US, CND)
(BT2850)
(BT2800: AEP, UK/BT2807E)
PTY
AF/TA
A
K
A
K
(ILLUMINATION)
A
K
A
K
A
K
S1
S2
S3
S4
A1
A2
K1
K2
S1
S2
LSW902 – 908
S901 – 907
LED940, 944 – 952,
LED955, 956, 960, 961
A
K
S1
S2
S3
S4
LED931
A
K
K
A
K
A
K
A
K
A
K
A
S1
S2
S3
S4
S1
S2
S3
S4
S1
S2
S3
S4
S1
S2
S3
S4
S1
S2
S3
S4
S1
S2
S3
S4
KEY BOARD
(COMPONENT SIDE)
KEY BOARD
(CONDUCTOR SIDE)
A
K
A
K
A
K
A
K
A
K
C919
D995
R976
R937
B
C
E
Q933
ROTARY
ENCODER
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT
OF THE AUX JACK (J901)” (See page 5), if replacing the
Ref. No. J901.
Ref. No. J901.
(Page 22)
Click on the first or last page to see other MEX-BT2800 / MEX-BT2807E / MEX-BT2850 service manuals if exist.