Philips FWM998/55, Service Manual

Page: 20 / 29

CIRCUIT DIAGRAM - AMP BOARD
9-1 9-1
RL-CH
RR-CH
L-
SU
B
FRO
N
T-R
TO MAIN PB TO SMPS PB
250W
150W
150W
250W
+
-
+
-
RR+
RR-
RL+
RL-
+
-
+
-
+
-
+
-
SUB+
SUB-
SUB+
SUB-
30HZand 120HZ -3DB
R-S
UB
250W
FRO
N
T-R
250W
Noise
Noise Noise
Noise
Frequency Response
Noise
L13 100MHZ 80R
+
C26
470UF/50V
R7
30K
R8
30K
+
C58
3300UF/50V
+
C59
3300UF/50V
C64
100N
C65
100N
R85
10R
R86
10R
L8 100MHZ 80R
R90
10R
+
C197
470UF/50V
R91
10R
+
C198
470UF/50V
+
C199
470UF/50V
L5 100MHZ 80R
R99
10R
+
C232
470UF/50V
R108
10R
+
C233
470UF/50V
+
C50
0.47UF/16V
R15
8K2
C51
100N
C52
100N
C53
100P
R16
18K
+
C54
10UF/50V
R17
10K
R18
NC C57
224
R23
12K
C62
224
R24
6K8
C63
153
R25
56K
C66
100N
R26
1K
+
- 2
3
1
4
U4-A
D4558
+
- 6
5
7
8
U4-B
R35
NC
C67
224
R34
47K
R36
10K
+
C69
0.47UF/16V
R37
8K2
C70
100N
C71
100N
C72
100P
R38
18K
+
C73
10UF/50V
R39
10K
R40
NC
C78
224
R44
12K
C79
224
R45
6K8
C80
153
R48
56K
C81
100N
R49
1K
+
- 2
3
1
4
U5-A
D4558 +
-
6
5
7
8 U5-B
R50
NC
C82
224
R51
47K
R52
10K
L15
100MHZ 80R
L16
100MHZ 80R
L18 100MHZ 80R
C1
330PF
1
VSSA
2
SGND
3
VDDA
4
IN2-
5
IN2+
6
MODE
7
OSC
8
IN1+
9
IN1-
10
DIAG1
11
OSCREF
12
DIAG2
13
PROT
14
VDDP1
15
BOOT1
16
OUT1
17
VSSP1
18
STAB1
19
NC
20
VSSP2
21
OUT2
22
BOOT2
23
VDDP2
24
VSSD
U1
TDA8954CTH
C3
330PF
C6
100N
C7 100N
C8
100N
C9
15N
C10
15N
R1
10R
R2
10R
C11
220P
C12
220P
C14 100N
R3
22R
C16
100N
R4
22R
L2
15UH
L3
15UH
SPK5
4 OHM
C17
100N
C18
100N
C19 100N
C20
474
C21
47PF
C22
220N
C23
220N
C24
470N
C25 470N
R5
5.6K
R6
5.6K
R46
5.6K
R47
5.6K
C74
470N
C75
470N
C97
220P
C98
220P
+
C99
47UF/100V
C181
100N
C182
100N
+
C184
47UF/100V
C185
220P
C186
220P
SPK8
3 OHM
1
VSSA
2
SGND
3
VDDA
4
IN2-
5
IN2+
6
MODE
7
OSC
8
IN1+
9
IN1-
10
DIAG1
11
OSCREF
12
DIAG2
13
PROT
14
VDDP1
15
BOOT1
16
OUT1
17
VSSP1
18
STAB1
19
NC
20
VSSP2
21
OUT2
22
BOOT2
23
VDDP2
24
VSSD
U3
TDA8954TH
C187
330PF
C190
100N
C193
100N
C196
100N
C200
15N
C201
15N
R62
10R
R63
10R
C203
220P
C204
220P
C206
100N
R64 22R
C208
100N
R65
22R
L10
15UH
L11
15UH
C209 100N
C210
100N
C211
100N
C212
474
C213
47P
C214
220N
C215
220N
C217
470N
R67
5.6K
C27
100N
C28
100N
+
C30
47UF/100V
C31
220P
C32
220P
SPK7
6 OHM
1
VSSA
2
SGND
3
VDDA
4
IN2-
5
IN2+
6
MODE
7
OSC
8
IN1+
9
IN1-
10
DIAG1
11
OSCREF
12
DIAG2
13
PROT
14
VDDP1
15
BOOT1
16
OUT1
17
VSSP1
18
STAB1
19
NC
20
VSSP2
21
OUT2
22
BOOT2
23
VDDP2
24
VSSD
U2
TDA8954TH
C1010
330P
C36
100N
C37
100N
C38
100N
C39
15N
C40
15N
R10 10R
R11
10R
C41
220P
C42
220P
C44
100N
R12
22R
C46
100N
R13
22R
L6
15UH
L7
15UH
C47 100N
C48
100N
C49
100N
C87
474
C88
47PF
C91
220N
C95
220N
C96
470N
R14
5.6K
1
1A
2
1Y~
3
2A
4
2Y~
5
3A
6
3Y~
7
GND
8
4Y~
9
4A
10
5Y~
11
5A
12
6Y~
13
6A
14
VCC
U7 74CTO4
Y1
600KHZ
C83
1N
R73 47K
C84
1N
R74
47K
Q7
BC857
R75
47K
R76
10K
R77
1K
C85
1N
R78
6.8K
R79 1M
R80
OPEN
R81
47K
R82 10K
C86
33PF
Y2
700KHZ
C92 100P
R83 10K
R84
1K
+
C93
22UF/50V
C226 100N
C228
100P
R87
0R
C229
10p
C231
102
R27
1.
5k
+
C60
1UF/50V
R28
47K
R29
1K
R30
39K
R31 1K
R32
4K7
R33
47K
R53 1K
+
C104
22UF/50V
R54
1K
R57
1K
+
C176
10UF/50V
+
C179
10UF/50V
+
C180
10UF/50V
Z1
5V6 SMD
R94
24K
C238
153
C241
100N
C242
10P
R95
1K5
R181
6K8
C250
100P
R188
22K
R207
220
C237
683
R98
82K
R208
4K7
R209
1K5
R211
NC
R55
24K
C89
153
C90
100N
C236
10P
R56
1K5
R93
6K8
C247
100P
R96
22K
R169
220
C248
683
R170
82K
R171
4K7
R183
1K5
R212
NC
C249
100N
D14
1N4002
D15
1N4002
LT5
6TS:6TS
SPK6
4 OHM
C224
100N
D16
1N4002
D17
1N4002
LT6
6TS:6TS
LT8
6TS:6TS
D18
1N4002
D19
1N4002
LT2
6TS:6TS
D20
1N4002
D21
1N4002
C55
474N
R41 5K6
C56
474N
R42
5K6
1
2
3
456
7
8
J33
SPK8P(Pink/Green)
R238
220
R239
220
D4
1N4002
D5
1N4002
R241
220
R242
220
R243
220
R244
220
C4
330PF
C5
330PF
C243
680N
C13
680N
C15
680N
C43
680N
C45
680N
C205
680N
3
2
1
Q8
BC847
3
2
1
Q5
BC847
3
2
1 Q6
BC847
D1
1N4002
D2
1N4002
+
C34
100UF/25V
C35 100N
C207
100N
+
C246
100UF/25V
+
-
2
3
1
4
U8-A
D4558
+
-
6
5
7
8
U8-B
R9
8K
2
R1005
6K8
R20 0E
R21
0E
R22
0E
+
C61
10UF/25V
R271
68k
R272
68k
3
2
1
Q20
BC847
3
2
1
Q21
BC847
+
C281
100UF/25V
R273
68k
R274
120k
R275
68k
R276
120k
R277
68k
R278
120k
R205
220
Z2
5V6
C235 100N
C282
1N
L341
FB1K8
L342
FB1K8
C2
330PF
R1010
6K8
R19
8K
2
SPK1
3 OHM
LT1
6TS:6TS
SPK2
6 OHM
LT7
6TS:6TS
C1005
330P
C1003
470N
C1004
470N
R1003
5.6K
R1004
5.6K
C1002
100P
R1001
220
R1002
220
C1008
470N
C1009
470N
R1008
5.6K
R1009
5.6K
C1007
100P
R1006
220
R1007
220
C1001
100P
C1006
100P
1
2
3
4
5
6
CON1
6PINS 3.96x180C
9
8
7
6
5
4
3
2
1
10
CON2
10Px2.0x180C
R43 1K
C154
330
C155
330
VDDP1
VSSP1
VSSA1
VDDA1
VSSP2
VSSA2
VDDA2
VDDP2
VDDA3
VSSP3
VDDP3
+40V
-40V
-12V
+12V
LIN
-12V
+12V
VSSP1
VDDP1
VDDP1
VSSP1
VSSA1 VDDA1
VSSA1
VDDP1
VSSP1
VDDP1 VSSP1
OSC
VSSP3
VDDP3
VSSP3 VDDP3
VSSP3
VDDP3
VDDP3
VSSP3
VSSA3
VDDA3 VSSA3
MODE1
MODE3
VSSP2
VDDP2
VSSP2
VDDP2
VSSP2
VDDP2
VDDP2
VSSP2
VSSA2
VDDA2 VSSA2
MODE2
DIG-CLK
AMP-ON
MODE1
MODE2
MODE3
VSSA3
-12V
+12V
RIN
LIN
RIN
+40V
-40V
+40V
-40V
-40V +40V
-40V
+40V
-40V
+40V
SPK11
SPK12
SPK13
SPK14
SPK15
SPK16
SPK10
SPK10
SPK12
SPK11
SPK13
SPK14
SPK16
SPK15
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+40V
-40V
GND
GND
GND
SPK9
SPK9
-40V
+40V
DCOFFSET
VSS
VDD
DCOFFSET
DCOFFSET
DCOFFSET
DCOFFSET
DCOFFSET-CTL
DCOFFSET
DCOFFSET
+12V
GND
VSSA3
OSC
+40V
SPK10
SPK9
SPK12
SPK11
OSC
VSSA1
VSSA2
LIN
RIN
LIN
AGND
RIN
+12V
DIC-CLK
AMP-ON
-12V
DCOFFSET-CTL
SUB-ON/OFF-CTL
SUB-ON/OFF-CTL
OSC