Philips MCD298 Service Manual page 25

CIRCUIT DIAGRAM - MAIN BOARD - EQ PART
R416 C418 R417
R401
R403
22K
DVD R
6.8K
100K 470 22K
2
3
1
DVD L
R402 R404
100K
6.8K
R426
15K
102
C416
CN401
TU STEREO
R432 1K
2
MUX
1 MUX
TU CLK
C410
3
TU DA
104
2 TU DA
TU DATA
TU CL
3 TU CL
TU MUX
TU MUX R427
4 TU ST
15K
5
C417
102
1K
R433
6 6
C411
7 5
104
8
TO TUNER
104
C422
C401
ZD401
100U/16V
12V
L401
R443
L-10UH
22
TDA7648 CLK
7 CL
7 CL
TDA7468 DATA
7 DA
7 DA
DVD CTL BMUTE
DV CT
DV CT
TUNEF CTL
TU CTL
TU CTL
D808 1N4148
AMUTE
BMUTE
AMUTE
POWER CTL
PO CTL
PO CTL
MCU+5V
MCU+5V
MCU+5V
GND
ECO CTL
ECO CTL
ECO
AMP CLSD
CLSD1
CLSD1
DC12V
DC12V
+12VA
IC524
KA7812
L588
3 1
OUT IN
100MHZ/80R
C548
C599
C578
470U/25V
104 100U/16V
6800U/25V
8 - 7
C491
332
C440 10U/16V
C441 10U/16V
10U/16V
C442
IC401
C425
C447
104 TDA7468
10U/16V
EQ8V
C443
10U/16V
10U/16V
C444
IC402A
C445
1
2.2U/16V
4558
C474
R478
10U/16V
IC402B
C446
47K
7 CN402
3
2.2U/16V
2
4558
1
R405
LIN OUT
R479
10K
104 C475
R406 47K
C402
10K
100U/16V C423
10U/16V
Q401
8550
L402
+12VA
10UH
Q405
R407
TU CTL
10K
3904
L405
10UH
D404
F302 1N4001
AC12.5V
T2AL/250V
C403
C450
AC 12.5V
100U/16V
104
C901 C903
D901 D903
104 104
1N4001 1N4001
C905
C909
104
C902 C904
D902 D904
104 104
1N4001 1N4001
C805
C427
4.7U/16V
333
Q807
R801
1K
C491
102
R458 4.7K
BC817
7 DA
R459
4.7K
C468
100P
7 CL
C453
102
C429
0
Q808
1K R802
BMUTE
R437
1.5K
BC817
C802
R460
R464
C476 4.7U/16V
4.7K
12K
150
IC406A
R463 R461
2
1
1K 5.6K
3 C489
470
4558
R461
R465
C477
4.7K
12K
150
R462
IC406B
6
7
5.6K
4558
5 C472
470
R471 1K
C473
Q407
104
8050
C405
100U/16V
R453
220
ZD402
C432
12V
104
Q406
Q402
8550
8050
L406
+12V
10UH
C451
C404
104
C434
C449
R452
470U/16V 104
220
R438
ZD403
1K
9.1V
Q410
3904
8 - 7
BMUTE
R428 18K
C488 150
L403 10UH
R439
IC403A
1K
2
C469 R497 4.7 L404 10UH
1
C412
3
220U/16V
470
R422 C471
4558
22K 102
R429
18K
150
C419
R440
R423
C498
1K 22K
6
IC403B C470
R496 102
7
C414
5
10K
220U/16V R414
470 4.7
4558
R410
C435 R415
10K R411 R485
104 56K
C437 10K
10K
104
R430 C420 150
36K
IC404A
R441
R
2
C463 C482
R476
1
1K
3
18K
C415
4.7U/16V 100U/16V
470
4558
R472
18K
R431
36K
C421 150
R442
1K
IC404B L
6
C464 C485 D402 1N4148
R477
7
C413
5
18K
470 4.7U/16V 100U/16V
4558
R475
18K
R412
10K
C436 R413
10K
104
A12V
C433
104
Q409
R455 C810
BC817
1K
4.7U/16V
C811
4.7U/16V ECO CTL
Q408
1K R454
BC817
+12VA
R409
PO CTL
10K
1
2
3
4
D403 1N4148
Q411
3904
C439
104
R474
D4011N4148
18K
D443
C481
Q421 1N4148
BC817
2.2U/16V
R482
R473
10k
220K
CN404
1
L LIN
9
MCU+5V
2
R+ 10
R Lin 3
11
ECO CTL
4
CLASSD1
12
AC12.5V
5
MT
AC 12.5V 13
+12VA 6
L+ 14
7
VOL ALC
RGND 15
LGND 8
TO SUB