Sony MEX-BT39UW Manual de serviço - Página 28

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Sony MEX-BT39UW Manual de serviço
MEX-BT39UW/BT3900U/BT3950U
5-8.

PRINTED WIRING BOARD - KEY Board -

1
2
3
LED906, 907, 931, 932, 935, 936
A
(ILLUMINATOR)
LED914, 915,
S902
OFF
SOURCE
A
A
LED910, 911,
S902
S903
R920
K
K
S4
S3
S1
SEEK+
S2
S1
S903
LED932
S2
>
K
LED914
S4
A
K
A
R942
K
A
M
K
S3
K K
A
A
A
K
K
LED915
B
LED906 LED907
LED931
LED939, 940,
A
A
S904
MODE
S904
S3
S1
S4
S3
LED939
K
K
K
K
A
K
LED918-921,
A
K
S906
A
A
A
A
LED940
S2
S1
S4
S2
A
A
LED912, 913,
LED908 LED909
LED933
S905
C
A
K
A
A
A
K
S1
K
K
K
K
S2
A
m
LED917
K
A
K
R927
LED916
S905
LED934
.
S4
S3
S4
SEEK–
S3
K K
S2
S1
S907
A A
LED916, 917,
S907
BT
D
LED908, 909, 933, 934, 937, 938
(ILLUMINATOR)
E
1
2
IC902
F
3
R901
R923
R926
R903
R977
R902
R912
G
R936
R953
R918
VDR906
R952
R919
VDR908
H
MEX-BT39UW/BT3900U/BT3950U
• See page 23 for Circuit Boards Location.
•
: Uses unleaded solder.
4
5
6
1
R983
R984
D921
K
A
R956
A
A
LED923
LED929
LSW912
LED928
LED926
K
K
K
K
S1
A
A
K K
A1
A2
A
A
K1
K2
LED924
LED925
S1
S2
S2
LED923-926, 928, 929
LSW912
(BT39UW/BT3900U: US, CND)
(RING ILLUMINATOR)
CAT
PTY
(BT3900U: AEP, RU, UK)
PTY
AF/TA
(BT3950U)
PTY
R969
R975
R998
1
2
3
R999
R944
E C B
Q904
RE901
6
7
ROTARY ENCODER
R982
4
5
RE901
PUSH ENTER/
SEL/
(VOLUME)
7
8
9
LSW905 – 912
A1
K1
LED904, 905
S1
DISC SLOT
INDICATOR
A
A
LED904
LED905
K
K
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LSW911
LSW910
LSW909
LSW908
A1
A1
R966
A1
A1
K1
S1 K1
S1 K1
S1 K1
K2 A2
K2 A2
K2 A2
K2 A2
S2
S2
S2
LSW911
LSW910
LSW909
LSW908
REP
SHUF
ALBUM –
ALBUM +
1
2
3
4
R931
R932
C904
C901
C903
C902
R917
C911
R906
64
49
R908
1
48
IC901
R940
R909
16
33
17
32
28
28
10
11
12
S901 – 907
A2
LED901-926, 928,
LED901
LED929, 931-940
S1
S2
K2
A
K
A
K
S3
S4
S2
52
LSW907
LSW906
A1
A1
S1 K1
S1 K1
LSW905
A1
A2
K1
K2
K2 A2
K2 A2
S2
S2
R961
R960
S1
S2
LSW907
LSW906
LSW905
MIC/ZAP
PAUSE
SCRL
5
6
DSPL
(Page 24)
MAIN BOARD
CN102
A
R930
R929
19
1
CN901
20
2
D902
R946
R945
C912
Note: Refer to the servicing notes "NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN902) AND THE AUX JACK (J901)"
(See page 5), if replacing the Ref. No. CN902 and the Ref. No. J901.
13
LED902,903,
S901
Z
S2 S4
A
A
R979
K K
S1 S3
R996
LED901
K
LCD BACK
LIGHT
A
11
1-882-750-
(11)
J901
AUX
CN902
FB901
FB902
11
1-882-750-
(11)