CIRCUIT DIAGRAM - DIS
PLAY
BOARD
8-1
8-1
HEADPHONE
USB SOCKET
USB BOARD
TO MC
U
TO MAIN
STAND-BY
TO MAIN
TO MC
U
ECO
VR901
VR902
MODE
MAX SOUND
D914
BLUE
R951
10K
R900
47R
C954
47U/16V
1
2
3
VR903
C968
100P
C967
100P
L911
10uH(1.15
Ω
)
L912
10uH(1.15
Ω
)
L914
10uH(1.15
Ω
)
L917
10uH(1.15
Ω
)
Q903
MMBT8050
D917
3V
9
R962 1K2
C956
47U/16V
C955
100N
R963
2R2
L902
10uH
C949
100N
L910
10uH(1.15
Ω
)
54
32
1
1
2
3
4
5
CN904
L915
10uH(1.15
Ω
)
L913
10uH(1.15
Ω
)
L916
10uH(1.15
Ω
)
L918
10uH(1.15
Ω
)
L919
10uH(1.15
Ω
)
1
IP
2
V-
3
V+
IR901
FM-6038TM2-5A
1
2
3
4
5
6
7
CN910
HP JACK(3.5mm TC38-103-01)
V-
V+
D-
D+
1
2
3
4
5
6
CN905
KEY3
MIC-DET
VOL-
VOL+
1
2
3
4
5
6
7
CN908
HP JACK(3.5mm TC38-103-01)
1
2
3
4
5
6
7
CN909
HP JACK(3.5mm TC38-103-01)
R9001 47K
R9003
2K2
R9005
56K
R9009
330K
R9011
2K7
R9007
2K7
R9015 47R
Q972
BC847B
Q971
BC857B
R9013
47R
C9005
1N
C9003 2U2
C9001 100P
L9005
FB1k
C9007
10P
C9009 470N
Q975
BC847B
Q974
BC847B
C9011
1UF
R9019
1M
R9021
1K
D901
1N4148
R9017
1K
R9002
47K
R9004
2K2
R9006
56K
R9036
330K
R9010
2K7
R9008
2K7
R9014
47R
Q982
BC847B
Q981
BC857B
R9012
47R
C9006
1N
C9004
2U2
C9002
100p
L9006
FB1k
C9008
10P
C9010
470N
Q984
BC847B
Q983
BC847B
C9012
1UF
R9020
1M
R9022
1K
D902
1N4148
R9018
1K
R9023 10K
R9024 10K
C9013
0.47/50V
R9025
10K
R9026
1K
L9002
FB1k
L9001
FB1k
L9004
FB1k
L9003
FB1k
Q970
BC847B
R9038
NC
R9042
1K
R9040
1K
R9037
NC
J18
0R
C9014
100P
KEY0
KEY1
GND1
LCD-DATD
LCD-WR
LCD-CS
DATA-OUT
REMOCON
GND2
VDD3V3
NC
USB-VCC
D+
D-
USB-G
USB-G2
C961
220U/10V
R901 1K
R917 1K
R918 1K
R919 1K
R920 1K
R921 1K
R932 1K
R931 1K
R930
1K
R929 1K
R928
1K
R927
1K
R926
1K
R925
1K
R924 1K
R923 1K
R922 1K
R912
1K
R911
220R
R910 220R
R909
1R
R908
1K
R907
91R
R906
56K
R905
1K
R904
220R
R9031K
R902 1K
C902
104
C901
470P
R940 1K
R934 1K
R935 1K
R936 1K
R937 1K
R938 1K
R939 1K
R933 1K
R976
15K
R977
15K
J4 0R
C948 100N
L927
100MHZ/80R
12
CN936
R978
10K
R979
10K
14
12
10
8
6
4
15
13
11
9
7
5
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN901
1
2
3
50K x2
4
5
6
50K x2
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
LCD901
C909
47U/16V
2
4
3
5
1
CN911
2
4
3
5
1
CN914
Q909
PMBT3904
24
35
1
CN903
1
2
3
CON904
C904 1000P
C903
1000P
D903
5V1
C906
47U/
16V
C907
100N
Q901
PMBT3904
D904
WHITE
R953
100R
C905
47U/16V
R954
330R
R980 10K
R981
330R
C9017
10U/16V
1
CS
2
RD
3
WR
4
DATE
5
VSS
6
OSC1
7
VDD
8
VLCD
9
IRQ
10
BZ
11
BZ1
12
T1
13
T2
14
T3
15
COM0
16
COM1
17
NC
18
NC
19
COM2
20
COM3
21
COM4
22
COM5
23
COM6
24
COM7
25
SEG0
26
SEG1
27
SEG2
28
SEG3
29
SEG4
30
SEG5
31
SEG6
32
NC
33
NC
34
NC
35
NC
36
SEG7
37
SEG8
38
SEG9
39
SEG10
40
SEG11
41
SEG12
42
SEG13
43
SEG14
44
SEG15
45
SEG16
46
SEG17
47
SEG18
48
SEG19
49
NC
50
NC
51
SEG20
52
SEG21
53
SEG22
54
SEG23
55
SEG24
56
SEG25
57
SEG26
58
SEG27
59
SEG28
60
SEG29
61
SEG30
62
SEG31
63
NC
64
NC
IC901
ET8662Q
C9065 4N7
R9103
4K7
R983
100R
Q9101
PMBT3904
C957
1UF
R942
820
R947
0
R915
390
R9
1
6
510
SW921
DISPAY
SW903
CLOCK
SW904
DISC
SW906
PROG
R941
560
SW910
USB
SW901
STOP
R964
0
R965
390
SW902
SLEEP/TIME
SW923
MP3 LINE/AUX
SW922
TUNER
SW919
POWER
SW920
DSC1
SW924
DISC CHANGE
SW905
R9
6
8
1k5
R9
6
1
1K2
R
960
1K
R9
4
6
820
R966
510
R967
560
R959
1k5
R958
1K2
R957
1k
R956
820
R9
1
3
0R
SW917
JAZZ
SW914
SW912
TECHNO
SW927
OPEN/CLOSE
SW911
POP
SW913
USB RECORD
SW916
OPTIMAL
SW918
USB DELETE
R948
390
R949
510
R955
560
R9
6
9
2k2
SW915
DBB
SW926
DSC2
R9
7
0
3K6
R9
7
4
3K6
SW907
PLAY/PAUSE
SW925
PREVIOUS
R9
4
3
1K
R9
4
4
1K2
SW909
ALUUM/
SW908
NEXT
SW929
ALBUM/PRESET-
R
945
1k5
R9
7
3
2k2
SW928
DSC3
R9
7
1
5K
6
D905
2V
7
R914
330R
ECO_POWER
3V3
REMOTE-INT
REMOTE-INT
LCD-DATE
SERIAL
KEY1
VCC10V
VOL-O
VOL+O
VOL+IN
VOL-IN
3V3
LCD-CLK
VCC10V
VCC10V
VCC10V
VCC10V
MIC-OUT
AGND
AGND
AGND
AGND
AGND
AGND
AGND
VCC10V
MIC-DET
KEY3
DAT-OUT
GND-D
GND
DGND-I
DGND-I
CPU/VCC
VCC10V
GND-D
3V3
DG
ND-
I
MIC-DET
AGND
VCC10V
DET
LCD-CLK
SERIAL
LCD-DATE
GND
KEY0
LIN-IN-R
LINE-IN-L
KEY0
DIM
DIM
DET
VCC10V
GND
KEY0
DG
ND-
I
KEY0
KEY3
DGND-I
DGND-I
KEY1
Summary of Contents for FWM452
Page 12: ...LAYOUT DIAGRAM MAIN BOARD TOP SIDE 6 2 6 2 ...
Page 13: ...LAYOUT DIAGRAM MAIN BOARD BOTTOM SIDE 6 3 6 3 ...
Page 15: ...PCB LAYOUT AC BOARD 7 2 7 2 ...
Page 17: ...LAYOUT DIAGRAM DISPLAY BOARD TOP SIDE 8 2 8 2 ...
Page 18: ...LAYOUT DIAGRAM DISPLAY BOARD BOTTOM SIDE 8 3 8 3 ...
Page 20: ...PCB LAYOUT AMP BOARD TOP SIDE 9 2 9 2 ...
Page 21: ...PCB LAYOUT AMP BOARD BOTTOM SIDE 9 3 9 3 ...
Page 22: ...CIRCUIT DIAGRAM TUNER BOARD 10 1 10 1 ...
Page 23: ...LAYOUT DIAGRAM TUNER BOARD 10 2 10 2 ...
Page 24: ...CIRCUIT DIAGRAM CD BOARD 11 1 11 1 ...
Page 25: ...LAYOUT DIAGRAM CD BOARD TOP SIDE 11 2 11 2 ...
Page 26: ...LAYOUT DIAGRAM CD BOARD BOTTOM SIDE 11 3 11 3 ...
Page 29: ...PCB LAYOUT MCU BOARD TOP SIDE 12 3 12 3 ...
Page 30: ...PCB LAYOUT MCU BOARD BOTTOM SIDE 12 4 12 4 ...
Page 31: ...SET EXPLODED VIEW 13 1 13 1 ...
