Philips FWM452, Service Manual

Page: 28 / 31

CIRCUIT DIAGRAM - MCU BOARD
PART2
12-2 12-2
This GND
must be
use AGND
DCK-B
LRCLK-B
DATOUT-B
CD+8V
GND
GND
CD-L
GND
CD-R
MUX-SEL
GND
GND
GND
GND
GND
3CD-SW
DAC-mck
All modify in the circle
DAC-BCK
DAC-LRCK
DAC-DA
CD-16M
+3.3V
4094-DATA
4094-OE
4094-CP
3CD SW
LIMIT
GND
CD-SUBSYQ
CD_MCK
CD_DIN_OUT
CD-RW
CD-BUSY
SP+
SP-
SL+
SL-
TO PICK UP
VC
VCC
E
D
A
B
C
F
GND
LD
VR
PD
F+
T+
T-
F-
OP/CL/LM
R508
4R7
21
C503
100u/10v
C502
1n
R504 33K
R505 33K
R503 33K
R507 33K
R506 33K
R502
33K
X501
16.9344MHz
R532
1M
L902'
22UH
C506100n
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN501
49
XO
50
DGND2
51
TEST0
52
TEST1
53
DVDD2
54
AGND1
55
LDACO
56
VCDAC
57
RDACO
58
AVDD
59
AD-MONI0
60
AD-MONI1
61
ANA-MONI0
62
ANA-MONI1
63
RF
64
EQO
32
DGND0
31
XBUFO
30
RESET
29
CLK&
28
CLK
27
DGND
26
VDD_CORE
25
WFCK
24
SUBCK
23
SUBDATA
22
SUBSYQ
21
BUBY
20
R/W
19
DIN/OUT
18
MCK
17
DVDD
33
DVDD0
34
DOUTA
35
LRCK
36
DCK
37
VDD_CORE1
38
DFDIN
39
DFLRCK
40
DFDCK
41
DFSCK
42
DGND1
43
FLAG0
44
FLAG1
45
FLAG2
46
FLAG3
47
DVDD1
48
XI
16 CLVOUT
15 SDOUT
14
TDOUT
13 FDOUT
12 FCO
11 PCO
10 ASY
9 LD
8 PD
7 F
6 E
5 AGND
4
VBIAC
3 BD
2 AC
1 AVDD1
IC501
BU9543
R510
1K
R509
4K7
C501
100u/10v
R511
470R
C504
3U3/50v
C505
0.22U/50v
R530
220R
R512
3K3
R513
12K
R514
7K5
R515
3K3
2 1
C526
470u/16v
C527 100n
R522
10K
C511
680P
21
C513
100u/16v
C514
100n
C507 1n8 C508 1n8
C519
100u/16v
C520 100n
B
C
E
Q502
B772
R526
10R
C521
47u/16v
C523
47u/16v
C524
100n
C530 470u/16v
C529
100n
R524
10K
L1
22UH
C518 100n
EE
FE
TE
C512
100n
R523
47K
R501
OR
D502
IN4148
D501
IN4148
6
1
23
45
1
2
3
4
5
6
CN505
C510
100n
C515
100n
C522
100n
21
C525
47u/16v
C509
100n
H1
H2
1
VO1-
2
VO1+
3
IN1
4
RESET
5
REGB
6
REGOUT
7
MUTE
8
GND1
9
IN2.1
10
IN2.2
11
VO2+
12
VO2-
13
GND2
14
OPOUT
28
GND3
27
VO4-
26
VO4+
25
IN4.1
24
IN4.2
23
VR
22
VCC2
21
VCC1
20
IN3.2
19
IN3.1
18
VO3+
17
VO3-
16
RESET
15
OPIN
IC502
BA5826FP
C528
???
12
R525
10K
R518
33K
1
2
3
4
5
CN504
C517
15P
C516
15P
R529
2.2/1w
R583
220R
R557
4k7
R556
4k7
R555 4k7
R559
470k
R558
470k
R560
470k
R563
4k7
R562
4k7
R561
4k7
C555
330p
C556
330p
1
STORBE
2
DATA
3
CP
4
G0
5
G1
6
G2
7
G3
8
GND
16 VCC
15 OE
14 G4
13 G5
12 G6
11 G7
10 QS1
9 QS2
IC505
CD74HC4094
74HC4094
R588
100R
R571
5k6
R572
5k6
R570
5K6
C559
223
R574
47K
R573
47K
R567
5k6
R564
5k6
R565
5K6
C560
223
R569
47K
R568
47K
R545
22R
R546
22R
12
3
CON551
R547
2R2
R548
2R2
R549
0
R578
0
1 3
2 4
S1
1 3
2 4
S2
R577
8K2
R576
18K
L544 100UH
C546
104
C548
104
C547
220u/16v
+
C578
220u/16
Q12
SPD18P06P
C565
104 R582
100k
R584 2k2
3
1
2
Q522
c945
3
1
2
Q1523
c945
3
1
2 Q501
AT1504
C568
104
R599
10k
C534
470P
C533
470P
C535 3U3/50v
C536 3U3/50v
R537
3K3
R536
3K3
R531 2K2
R533
2K2
C531
470P
C532
470P
R534 2K2
R535 2K2
R544 NC R579 NC
R521 10K
R520 10K
R539 10K
6
1
2345
1
2
3
4
5
6
CN521
26
21
22
23
24
25
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
1
234
5
CON2
1
REVB
2
FORB
3
OUT2B
4
OUT1B
5
PVCCB
6
VCC
7
D1A
8
PVCCA
9
OUT1A
10
OUT2A
11
FORA
12
REVA
U532
FAN8100N
3CD1
3CD1
3CD0
OP/CL/LM
CD-16M
+3V
OP/CL/LM
3CD0
MUX-SEL
CD-R
CD-L
+3.3V
+3.3V
+3.3V
CD-R
CD-L
TRAY_IN1-
CD-16M
CD-POWER
T
TRAY_IN2-
T
TRAY_IN2-
T
T
TRAY_IN1-
CD-MUTE
CD-POWER
RESET
+3.3V
CD-MUTE
RESET
MUX-SEL