Philips FWM462 Service Manual page 16

CIRCUIT DIAGRAM - DISPLAY BOARD
VCC10V
CN908
6
5 L9005
L9001
FB1k
FB1k
C9003 2U2
7
R9003
2
2K2
3
4
L9003
1
FB1k
R978
HP JACK(3.5mm TC38-103-01) R979
10K
10K
VCC10V
Q975
BC847B
MIC-DET
Q970
BC847B
R9042 AGND AGND
1K
R9008
VCC10V
2K7
CN909
6
R9004
5 L9006
L9002
2K2
FB1k
FB1k
7
2
R9002
3
47K
4
L9004
1
FB1k
HP JACK(3.5mm TC38-103-01)
Q984
BC847B
AGND
AGND
R904 220R
LCD-CLK
R910 220R
SERIAL
LCD-DATE
R911 220R
L927
100MHZ/80R
GND-D
GND
8-1
C9013
R9023 10K 0.47/50V
5
C9009 470N
R9007
6 4
2K7 R9011
VR901
R9025
2K7 Q971
R9009 50K x2
C9007 10K
BC857B
330K
10P
AGND
Q972
BC847B
R9024 10K
VCC10V
R9021
1K
D901
1N4148
Q974
BC847B
C9011 R9019
1UF 1M
C9010
R9010
2
470N
2K7
3 1
VR902
R9036
50K x2
C9008
330K
10P
AGND
C9004 Q981
VOL+IN
BC847B
2U2 BC857B
Q982
VOL-IN
C968
100P
J18
VCC10V
0R
R9022
1K
Q983
BC847B
D902
1N4148
1
CS SEG19
2
RD SEG18
3
WR SEG17
4
DATE SEG16
5
VSS SEG15
6
OSC1 SEG14
7
VDD SEG13
8
VLCD SEG12
IC901
9
IRQ SEG11
ET8662Q
10
BZ SEG10
11
BZ1 SEG9
12
T1 SEG8
13
T2 SEG7
14
T3 NC
15
COM0 NC
16
COM1 NC
C9065 4N7
C9017
MIC-OUT
R9026
1K 10U/16V
C9014
100P
AGND
VR903
1
2
3
C967
100P
DGND-I DGND-I
48
R917 1K
47 27
R918 1K
26
46
R919 1K
25
45
R920 1K
24
44
R921 1K
23
43
R922 1K
42 22
R923 1K
41 21
R924
1K
40 20
R925 1K
39 19
R926
1K
38 18
R927 1K
37 17
R928 1K
36 16
R929 1K
35 15
R930 1K
14
34
R931 1K
13
33
R932 1K
12
R933 1K
11
R934 1K
10
R935 1K
9
R936 1K 10uH
8
R937 1K
7
R938 1K
CPU/VCC
6
R963
Q903
R939 1K
5
MMBT8050
R940 1K
4
R901 1K
3
R902 1K
2
R903 1K R962 1K2
1
R900
47R
3V3
8-1
KEY1
SW901
SW911
SW921
STOP POP
DISPAY
SW902 SW912
SW922
TECHNO
SLEEP/TIME
TUNER
SW913
SW923 SW903
USB RECORD
MP3 LINE/AUX CLOCK
SW905
SW904 SW914
MODE
DISC
MAX SOUND
SW906 SW915
SW910
DBB
PROG USB
SW916
SW919
SW907
OPTIMAL
POWER
PLAY/PAUSE
SW920 SW917
SW908
JAZZ
DSC1
NEXT
SW918
SW924
SW909
USB DELETE
DISC CHANGE
ALUUM/PRESET+
SW929
SW926
ALBUM/PRESET-
DSC2
SW925
SW927
PREVIOUS
OPEN/CLOSE
SW928
DSC3
DGND-I
DGND-I
VCC10V
3V3
R983
100R
L902
R914
R954
330R
330R
R953
100R
BLUE
D914
2R2 D904
WHITE
Q901
Q909
PMBT3904
PMBT3904
DIM
R980
10K
Q9101
PMBT3904
C905
47U/16V
IR901
FM-6038TM2-5A
REMOTE-INT
USB BOARD
L910
CN905 C949
100N 10uH(1.15Ω)
V+ 6
USB-VCC
D- 4
3 D+
D+
1
2
V-
C961 D-
1 2
5 3 USB-G
220U/10V
4
USB-G2
5
CN904
R976 R977
15K 15K
CN910
HEADPHONE
6
5
LIN-IN-R
7
3
2
2
1
3
LINE-IN-L
4
1
HP JACK(3.5mm TC38-103-01)
5 3 1
4 2
4 2
5 3 1
15 MIC-DET
MIC-DET
VOL-
14
VOL-O
13 VOL+
VOL+O
J4 0R
KEY3
12
KEY3
L919 10uH(1.15Ω)
KEY0
11
KEY0
L918
10uH(1.15Ω)
KEY1
10
KEY1
L916
10uH(1.15Ω)
GND1
9
GND-D
10uH(1.15Ω)
L913
LCD-DATD
8
LCD-DATE
10uH(1.15Ω)
L915
LCD-WR
7
SERIAL
L914 10uH(1.15Ω)
LCD-CS
6
LCD-CLK
DATA-OUT
5
DAT-OUT
L912 10uH(1.15Ω)
REMOCON
4
REMOTE-INT
L911 10uH(1.15Ω)
GND2
3
L917 10uH(1.15Ω)
VDD3V3
2
3V3
NC
1
CN901
R951
10K
DIM
VCC10V
ECO_POWER
CN903
R9103
4K7
C957
1UF