MEX-BT2700/BT2707E/BT2750
MEX-BT2700/BT2707E/BT2750
29
29
4-6. SCHEMATIC DIAGRAM - KEY Board -
R992
R975
R901
R902
R903
R904
R905
R907
R908
R909
R911
R910
R912
R913
R914
R915
R986
R981
R982
Q932
D98
1
R987
LED931
S901
Q931
IC971
D903
D982
R922
CN901
R934
LSW912(1/2)
D994
D993
D991
C971
R984
C983 C984
R985
R921
C921
C922
LSW913(1/2)
LSW914(1/2)
LSW904(1/2)
LSW905(1/2)
LSW906(1/2)
LSW907(1/2)
LSW908(1/2)
LSW909(1/2)
LSW910(1/2)
LSW911(1/2)
LSW903(1/2)
LSW902(1/2)
R974
FB903
C986
R979
R978
R977
C981
D992
J901
LCD901
R973
R971
LED951
LED952
LED953
R990
Q995
C999
R931
R932
R933
R1941
R1942
C990
R1943
C991
R942
R1944
C997
C995
C998
D986
D985
LED944
LED941
LSW901(2/2)
LSW902(2/2)
R945
R943
R947
R949
LSW903(2/2)
LSW914(2/2)
LSW912(2/2)
LSW913(2/2)
LSW904(2/2)
R950
R951
R954
LSW905(2/2)
LSW909(2/2)
LSW908(2/2)
LSW910(2/2)
R953
R944
R946
R948
LSW906(2/2)
LSW907(2/2)
LSW911(2/2)
R952
RE901
C996
LSW901(1/2)
0
100
820
1k
1k
1.2k
1.5k
820
1k
1k
1.5k
1.2k
1.8k
2.2k
3.3k
3.9k
1k
150
150
RT1N436C-TP-1
MAZ
8051GMLS0
1M
NESW505CT-
SKRPACE010
RT1N140C-TP-1
IC RS-470
MAZ8180GMLS0
MA2J1110GLSO
0
15P
1.2k
MAZ8068GMLS0
MAZ8068GMLS0
MAZ8068GMLS0
0.1
1k
0.1
0.1
1k
0
1000p
1000p
100
0
0.47
100
100
100
0.1
MAZ8068GMLS0
180
180
SL-194S-WS-SD
SL-194S-WS-SD
SL-194S-WS-SD
33k
2SC3052
1000p
220
220
220
470
1k
0.1
1k
0.1
680
470
1000p
0.1
1000p
MAZ8068GMLS0
MAZ8068GMLS0
CL197HB1E-D-T
CL197HB1E-D-T
390
470
680
390
680
220
680
390
330
680
390
180
0.1
CE
CLK
DATA
CE
CLK
DATA
COM1
COM2
COM3
COM4
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S16
S17
S18
S19
S20
S37
S38
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S22
COM
1
COM
2
COM
3
COM
4
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S15
OFF
SOURCE
KEY-1
KEY-0
DATA-LCD
CE-LCD
PANEL
MODE
SOURCE
OFF
D-GND
RE-0
RE-1
(LCD BACK LIGHT)
KEY-DND
MODE
SIRCS
GND2
BT
LIQUID CRYSTAL DISPLAY
REMOTE CONTROL
RECEIVER
PAUSE
6
SEEK+
SEEK-
BTM
PTY
AF/TA
CAT
BTM
(BT2750:E,EA,IND)
BT2700:US,CND/
BT2750:MX
BT2700:AEP,IT,UK
/BT2707E
1
-ALBUM
2
ALBUM+
SHUF
4
REP
3
MIC
5
BT
PUSH SELECT/
(VOLUME)
LED951-953
PUSH SELECT/
(VOLUME)
ROTARY ENCODER
LED DRIVE SWITCH
DIMMER SWITCH
AUX
AUX-LCH
AUX-RCH
AUX-GND
+B
CLK-LCD
DISC SLOT
ILLUMINATION
SCRL
DSPL
BTM
PTY
AF/TA
CAT
BTM
(BT2750:E,EA,IND)
BT2700:US,CND/
BT2750:MX
BT2700:AEP,IT,UK
/BT2707E
2
ALBUM+
PAUSE
6
1
-ALBUM
REP
3
SHUF
4
MIC
5
SCRL
DSPL
SEEK+
SEEK-
LED DRIVE
• See page 30 for IC Block Diagrams.
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
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299