Philips FWD186 Service Manual page 33

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CIRCUIT DIAGRAM MAIN AMPLIFIER (BOTTOM)
Q506 D6 R303 D1 R320 D3 R417
Q507 C7 R304 D1 R351 D2 R418
Q701 B3 R305 D2 R352 D2 R420
Q702 B4 R306 D2 R404 C6 R421
Q703 B4 R309 D2 R405 C6 R423
Q704 B4 R310 D2 R406 C6 R424
Q705 B3 R311 D2 R407 C6 R425
Q706 B3 R312 D2 R408 C6 R426
Q707 B3 R313 D2 R409 C6 R427
Q708 B5 R314 D2 R410 C6 R429
Q709 B5 R315 D4 R411 C6 R430
Q901 A3 R316 D4 R412 C6 R431
Q902 A4 R317 D4 R413 C6 R432
R301 D1 R318 D3 R415 C6 R433
R302 D1 R319 D4 R416 C7 R435
2 2 2
M 3
3
B
4 4
A
5
6
7
SW1
3
8
4 9
10
PL PL AY AY SW SW
CN10/20
PL PL AY AY RE C RE RE RE RE C RE RE C RE RE C RE C PL PL AY AY RE RE C
RB RB 703 703
5
6
R/ R/ R
7
REC R
8
T+12V
OSC VC OSC VC C 9
OSC VC OSC VC C 10
SW 2 SW
3
4
FF/ FF/ FW FW SW SW
B
B TAPE
DI DI N_ N_ CH CH K
DI DI N_CH N_CH K
T_MUTE T_MUTE
T_ T_ MU MU TE TE
PW M_01R PW M_01R C
PW M_01R PW M_01R
PW PW M_02L M_02L SL SL
PW PW M_02L M_02L
PW M_01L PW M_01L SR SR
PW M_01L PW M_01L
TA PE_B TA PE_B
TA PE TA PE _B _B
TA TA PE_A PE_A
RB904
TA PE TA PE _A _A
AUDI UDI O33V 33V
AUDI UDI O33V 33V 1
+17.5V/2A
AD 5V 5V AD GN GN D
2
GND
AD AD 5V 5V
3
-17.5V/2A
MI MI C_OUT C_OUT
MI MI C_OUT C_OUT GND 4
4052_L 4052_L OUT OUT +5 +5
5
+5V/1.5A
4052_L 4052_L OUT OUT
6
GND
4052_R 4052_R OUT OUT
4052_ROUT 4052_ROUT 7
MI MI C_CH C_CH K
8
+12.5V/1A
MI MI C_CH C_CH K
FF/ FF/ FW FW _M _M UT UT E
FB902 FB902
CN 8/ 8/ 25 25 CN
FF/ FW FF/ FW _MUT _MUT E
100 100
MI MI C_CL C_CL K
TO POWER SC H
MI MI C_CL C_CL K
MI MI C_CE C_CE
MI MI C_CE C_CE
ECHO_OFF ECHO_OFF
EC HO_OFF EC HO_OFF
LI LI NE NE _0 _0 L
LI LI NE NE _0 _0 L
CN3001
LI LI NE NE _0 _0 R
MI MI C_OUT C_OUT
LI LI NE NE _0 _0 R 6
MIC_OUT
PW M_02R PW M_02R SU B SU GN GN D
5
GND
PW M_02R PW M_02R
4 -12V 12V
-12V
PW PW M_03R M_03R FL FL
GN D GN
PW M_03R PW M_03R 3
GND
PW PW M_03L M_03L FR FR +12V 12V
2
+12V
PW M_03L PW M_03L
1 MI MI C_CH C_CH K
EA EA RP RP /W /W MIC CHK
EA RP EA RP /W /W
P_ P_ MUTE MUTE
A A
P_MUTE P_MUTE
CN 6/ 6/ 20 20 CN
MUTE MUTE
MU TE MU TE
AU TO_MUT AU TO_MUT E
AU AU TO TO _MUT _MUT E
4052B 4052B
CN CN 3002 3002
4052B 4052B
FF/ FW FF/ FW _M _M UT UT E
1
4052A 4052A MI MI C_ C_ DA DA TA TA
4052A 4052A 2 MI MI C_CL C_CL K
MI MI C_ C_ CL CL K
TU _D TU _D O
GN GN D
3
GN D GN
TU _D TU _D O
MI MI C_CE C_CE
4
TU _C TU _C K MI MI C_ C_ CE CE
TU TU _C _C K 5 ECHO_OFF ECHO_OFF
EC EC HO HO _O _O FF FF
TU TU _D _D A
TU _D TU _D A
CN 5/ 5/ 20 20 CN
TU _C TU _C E
TU TU _C _C E
ST _L _L ED ST ED
TO MIC SCH
ST _LED ST LED
TU TU _L _L ED ED
TU _LED TU LED
1
6-7
C7 R436 C8 R5006 B7 R509 A6
C7 R437 B6 R5007 B7 R510 A6
C7 R439 B8 R5008 B8 R511 A6
C7 R440 B8 R5009 B8 R512 A7
C7 R442 B8 R501 D5 R513 A7
C7 R443 C6 R5010 B8 R514 A7
C7 R444 C6 R5011 B6 R515 A7
C7 R450 D7 R5013 B6 R516 A7
B7 R473 C8 R5014 B6 R517 A6
C8 R474 C8 R502 A5 R518 A6
C8 R5001 B6 R503 D5 R519 A6
C8 R5002 B6 R504 A5 R520 A6
C8 R5003 B7 R506 A6 R521 A6
C8 R5004 B7 R507 A6 R522 A6
C8 R5005 B7 R508 A6 R523 D5
16 RF AIN1
VDD VDD C720 720
C721 721
9
15 15 47U 47U /16V /16V
6 C R707 707 6
IN IN H 10 10 NF1
7 B 4
100U 100U /16V
VE VE E 11 11 R_OUT R_OUT 1
8 A
VS S VS
R708 708 220 220 7
R_IN1
C708 708 104 104 104 104
C709 709
R719 719 330 330
272 272
C710 710
R721 2K4
ZD701 ZD701
R711 711 68K 68K
5V 5V 1
C723 723 C724 104
562 562
M102 M102
C713 713
R713 713 18K 18K
+12V 12V
D701 1N4148
R715 715
33 33
R714
Q705 2SA952
+12V
T701 701 22 1/4W
4 3
R742
Q701 701
5 2
M882 M882 1K
C725 725
2SC 945 2SC 945
R745 745
R728 728 150 150
3K 3K 3
6 1
Q706 706
R722 722 6K 6K 8
2SC 2SC 1623 1623
OS C OS
R744 4K7
VD33
C726 726
C727 727
M153 M153 R743 15K Q707 707
100U /16V 100U /16V TAPE_A
2SC 1623 2SC 1623
FB901 FB901
100 100 +17. 17. 5V 5V
C901 901 R908 908 0 +12V 12V
104 104 Q902 2SD882
TU TU 12V 12V R901 901 R902 902 10 10 1/ 1/ 2W 2W
Q903 903 OPEN OPEN
2. 2. 2 2 1/ 1/ 4W 4W
R907 907
R903 903
820 820
OPEN OPEN
C912 912 C913 913
C905 905 C906 906
2200U /25V 2200U /25V 104 104 220U 220U /16V /16V
104 104
R909 909
OPEN OPEN
FB903 FB903
-17. 17. 5V 5V
100 100
R904 904 10 10 1/ 1/ 4W 4W Q901 901 2SB 772 2SB 772
FB904 FB904
+5 +5 V
R905 905
100 100
820 820
C909 909 C910 910
104 104 470U /10V 470U /10V
2 3
R524 D5 R540 D6 R709 C2 R727 B4
R525 D5 R541 A5 R710 C2 R728 B3
R526 D5 R542 A5 R711 B2 R729 B3
R527 D5 R543 D6 R712 B2 R730 C5
R528 D6 R544 C7 R713 B2 R731 C5
R529 D6 R545 C7 R714 B3 R734 C8
R530 D5 R546 C8 R716 C3 R735 C8
R531 D5 R701 B1 R717 C3 R736 B4
R532 D6 R702 C2 R719 C3 R737 B4
R534 D6 R703 C2 R720 C3 R738 B4
R535 D6 R704 C2 R721 B3 R739 B4
R536 D6 R705 C3 R722 B2 R740 B4
R537 D6 R706 C3 R724 C4 R741 A5
R538 D6 R707 C3 R725 C4 R742 B3
R539 D6 R708 C3 R726 C4 R743 B3
16
VDD VDD
9
C 6
C731 731
10 10 IN IN H
-5 -5 V
B 7
11 11 VE VE E
A 8
22U /16V 22U /16V VS VS S
IC IC _4053 _4053
C734 734 C735 735
PW PW M_02R M_02R
104 104 104 104
PLAY
TAPE_A L
TAPE_B
TAPE_B H H
T+12V
R736 736 R737 737
10K 10K 4K 4K 7
ABC BU4053
Q702 702
KTC 3875 KTC 3875
H PLAY: Ay By Cy
FF/ FF/ FW FW _M _M UT UT E
Q703 703 R740 740 R747 747 1K 1K
KTC 3875 KTC 3875 10K 10K L REC: Ax Bx Cx
R738 738
T_MUTE T_MUTE
10K 10K
R748 748 1K 1K
R739 739
47K 47K
R746 746 47 47
+12V 12V
+12V 12V P_+12V P_+12V
AD5V AUDIO33V
R541 541 56 56 C549 549
C424 424
100U 100U /16V /16V
R906
AD5V 220U 220U /16V /16V
PW PW M_03L M_03L
330 1/6W
-12V 12V P_-12V P_-12V
C425 425 R542 542 56 56 C550 550
100U 100U /16V /16V
220U 220U /16V /16V
-12V 12V R741 741 330 330 -5 -5 V
R504 504
PW PW M_03R M_03R
-12V 12V
4 5
6-7
R744 B3 ZD302 D3
R746 B4 ZD501 C7
R747 B5 ZD701 B3
R748 B5 ZD702 A5
R901 A3 ZD901 A3
R902 A3 ZD902 A4
R904 A3 ZD903 A4
R905 A3
R906 A4
R907 A3
R908 B3
RB703 C1
RB904 B1
T701 B2
ZD301 D3
C412
AM AMP _ MU P_MUTE
104 104
R469 469 OPEN OPEN
R413 413 22K 22K
10U 10U /16V /16V R416 416 470 470
C416 416
C408 408 22P 22P
R406 406
C405 405
2 IC IC 402A 402A
R409 409 2K 2K 2 R410 410 3K 3K 3 1
4. 4. 7U 7U
2K 2K 2
3
JR JR C4558 4558
C420 420
682 682
-12V 12V
C421 421
R437 437 56 56
104 104
REC STOP
L H
R5003 5003 4K 4K 7
H- H- MU MU TE TE
R5013 5013 8k2 8k2
L H H
C5015 5015 47P 47P
R5011 5011 10K 10K 2SC 2SC 1623
IC IC 5001 5001
2
-
1 AP A3541K AP 3541K
3
JR JR C4558 4558
IC IC 5002A 5002A R5001 5001 4. 4. 7U 7U
PHONE_ PHONE_ R C5002 5002
5
P_-12V P_-12V
2K 2K 2
C5013 5013 104 104
R5005 5005
47K 47K
R5014 5014 8k2 8k2
C5004 5004
6
C5014 5014 47P 47P
10U /50V 10U /50V
R5007 5007
R5012 5012 10K 10K
47K 47K
6
R5002 5002 C5006 5006
PHONE_ PHONE_ L
7 3
5
IC IC 5002B 5002B 4. 4. 7U 7U
2K 2K 2
JR JR C4558 4558
P_+12V P_+12V
C5012 5012 104 104
C548 548
0. 0. 47U 47U /50V /50V
TDA 7265 TDA 7265
R506 506
R502 502 R507 507 15k 15k C506 506 100P 100P
C505 505 R512 512 2k2 2k2
R_ AM R_ AM P 7
IC IC 502A 502A
C507 507 4. 4. 7U 7U
4. 4. 7U 7U
2k2 2k2
2K 2K 2 JRC RC 4558 4558
2
1
R508 508 3K 3K 3
C508 508 3
C516 516
103 103
330P 330P
P_-12V P_-12V
C509 509 104 104
9
R514 514
2K 2K 2 C510 510 4. 4. 7U 7U R509 509 2k2 2k2 R510 510 15k 15k C511 511 100P 100P
820 820
C517 517
IC IC 502B 502B
330P 330P
6 JRC RC 4558 4558
R515 515 2k2 2k2
L_AM AM P
7 11 11
C512 512 R511 511 3K 3K 3
5
C513 513 4. 4. 7U 7U
103 103
MU MU TE TE
P_+12V P_+12V
C514 514 104 104
ST ST AR AR T: T: LO LO W( W( 0- 0- 5V 5V )
MU TE: MU TE: H=VC H=VC C
6 7
It`s Free
TE
Q410 410 2SA 2SA 733 733 R474 474 1K 1K
JK JK 402B 402B
FB403 FB403
R433 433 1K 1K
10 10
100 100
R427 427
Q406 406
R439 439 1K 1K
39K 39K
R442 442 op op en en
op op en en
R441 441
op op en en
D5001 5001 IN IN 4148 4148
Q5001 5001
2SC 1623 2SC 1623
Q5002 5002
CN 5001 CN 5001
4
C5001 5001
1623
3
2
100U 100U /16V /16V
1 B
L5001 5001
R5004 5004
10K 10K
C5003 5003 10U 10U H
7
L5002 5002
1uH 1uH
220U /16V 220U /16V
C5010 5010
104 104
R5006 5006 10K 10K
C5011 5011
220U /16V 220U /16V L5003 5003 1uH 1uH
C5005 5005 104 104
1
C5007 5007 104 104 EA RP EA RP /W /W
AD AD 5V 5V
104 104
C515 515
IC IC 503 503
L501 501 R
1UH UH
+
R517 517
4
18K 18K
-
R519 519 JK JK 501 501
8
4
560 560
3
R520 520 2
10 10
560 560
1
- R521 521 JK JK _SP_2C _SP_2C H
2
18K 18K
+
L502 502 L
A
1UH UH
C518 518 104 104
PO WE PO WE R_MUTE R_MUTE
D501 501 1N 4148 1N 4148
R516 516
100K 100K
8