Philips FW-C870 Service Manual page 98

AF8 BOARD - CIRCUIT DIAGRAM (PART 1)
21 G1 1505 J2 1529 G2 2513 F4 2524 D4 2535 D7 2545 I2 2564 H8
25 A1 1521 A2 1530 K9 2514 G4 2525 C4 2536 J7 2546 B4 2571 C11
27 G21 1522 A6 1539 E22 2515 F5 2526 D4 2537 C7 2547 I5 2572 J9
28 K18 1523 A2 1540 E22 2516 H5 2527 C3 2538 I7 2548 I4 2573 C11
29 J18 1525-A C2 1712-A J20 2517 G12 2528 D3 2539 J7 2549 C6 2574 J10
30 J19 1525-B D2 1712-B K20 2519 F4 2529 D1 2540 K13 2550 K6 2575 C11
1501 K11 1526-A I2 1714 L1 2520 G4 2531 H12 2541 D6 2551 K5 2576 J10
1502 K12 1526-B I2 2501 K11 2521 F4 2532 H12 2542 J6 2552 J4 2577 E8
1503 K11 1527 J20 2511 G3 2522 G4 2533 D7 2543 H3 2553 K5 2578 I8
1504 I21 1528 E21 2512 G3 2523 C4 2534 I7 2544 I3 2563 E8 2579 E14
1 2 3 4
DIPMATE
25
2
+12M
TAPE MOTOR
1
M TE00
A
-30V
FE-BT-VK-N FE-BT-VK-N
LT
1521 1523
5 7
6
4
TAPE_L
LTO
3 5
TAPE TAPE_R
2 4 +12A
a
B 1 3
a dd dd dd
2
a a
1
2525 a
3525 3521 CDR_L
3 1K 47K
C 1u
a
4 a
1525-A a a
AUX IN
3526 3522 CDR_R
1
1K 47K 1u
2526
2
a
a
a a
1525-B
D
2877
3691
AUX_L
39K 1u
a
a
a
2878
3690 AUX_R
39K
E 1u
a a
2521
TAPE_L 3517
1K 4u7
a 3689
F a
12K
3513 2513
CD_L
6K8 4u7
3515
a
5K6
a
3686
a
12K
TAPE_R 3518 4u7
21
3511 1K 2511
G
1
1K
2522
5513
TUNER 1529 100n
2
a 3688
a
2u2
1
a
3
2512 12K
9510
CD_R 3514 2514
4 5521 2u2 3512 1K
100n
3687 6K8 4u7
9595
a
DIPMATE
+12A 12K 3516
a
5K6
H
5
3527
3 1K
BC847B
7521
a
4 BC847B
LINE-OUT YKC21-3440 a
1526-A 7522
2547
5
3528
a 10p
1 1K
I
2548
3530
a
2
A YKC21-3440
a
2K2
a 10p
1526-B
+12A
9622
EH-B
MIC
1505
3579
3
2 4R7
K_OUT
1
J 17
a
surr_gnd
16
surr_out 3554
15 +12A
LCH 150R
14
LT
13
a
a
12 SA_IN
RT
11
RCH
10
K BC857B
7526
+12A 2551
9
7527
+8.5V
BC847B
8 100n
D
7
+5V
6
a a a
DPL_V_CLK
5
DPL_CLK
4
DPL_DATA
L 3
DPL_GND
2
4510
DPL_REQ DPL_REQ ALC_EN
1
ALC_EN
1714
DPL
FE-BT-VK-N
1 2 3 4
12-4
2580 H13 2597 C10 2609 E14 2619 C17 2636 H17 2650 F19 2665 K21 2675 F6 2871 E9
2581 I12 2598 J9 2610 G14 2620 H16 2637 D18 2651 G20 2666 I19 2676 H6 2872 H9
2582 I12 2601 F13 2611 E15 2621 K16 2638 G18 2652 H20 2667 B4 2677 F6 2873 E9
2583 I11 2602 F14 2612 G15 2625 E7 2639 H18 2656 G21 2668 I19 2678 K11 2874 H9
2591 D11 2603 D14 2613 F16 2626 J8 2640 H18 2657 G21 2669 I20 2679 I11 2877 D4
2592 J10 2604 G14 2614 H16 2631 D17 2641 K14 2659 I16 2670 E11 2680 H8 2878 E4
2593 D10 2605 D14 2615 D16 2632 F16 2642 K20 2661 I18 2671 E9 2681 B3 2879 D4
2594 K9 2606 G14 2616 G16 2633 D17 2647 D19 2662 J17 2672 H9 2868 E11 2880 E4
2595 C10 2607 D15 2617 E16 2634 G17 2648 F19 2663 I18 2673 E9 2869 D10 2881 E8
2596 J9 2608 F15 2618 G16 2635 C17 2649 E19 2664 I18 2674 H9 2870 I10 2885 D20
5 6 7 8 9
1522
1 RTO
2
a
3 LTO
RT 4
a TAPE
5
+12A
6 LT
RTO
7
a
8
RT
FE-BT-VK-N
3561
LCH
1K2
a
2549
3543
LT
3K3
4u7
3535
a
120K
2537
K_OUT
47p
a 4 2
2541
3541
1
L_OLEFT 7512-A
1u 1K 3 3531
NJM4560M
2K2
8
B_ref2 a
3533
BREF
a
a
100K
# 4511
a
7511
TDA7437 21 20 12 44 22 23
16
STEREO_1L
AUX_L 17
STEREO_2L
LEFT VOLUME
TREBLE MIDDLE
CHANNEL
CDR_L 18 LOUDNESS
STEREO_3L
IN GAIN
15 STEREO_4L
14
DIFF_L
2675
a 13
DIFF_GND_L
4u7
2677
MONO LOGIC CONTROL
11
a
10n
8
STEREO_1R
AUX_R 9
STEREO_2R
CDR_R
10 STEREO_3R
7
STEREO_4R
IN GAIN
RIGHT- VOLUME
TREBLE MIDDLE
CHANNEL LOUDNESS
6
DIFF_R
2676
a 5
DIFF_GND_R
4u7
a
3 2 4 1 31 30
L_OLEFT
# 4512
a a
BREF K_OUT
a
4596
7529
BC857B
+5v
+8.5V
3536
8
3550 120K 5
2538 NJM4560M
4K7
7
47p 7513-B
a 4 6 6
2542 4
MUTE_LO 3542 7
a
7512-B
3592
1K
1u 5
22K
NJM4560M
8
2598
B_ref2
470p
a
BREF
a
a
+12A
2550
RT 3544
3551 3519 LT
4u7 3K3
150K 33K
3552 3520 3562 1530
a
150K 33K 1K2
RT 1
RCH RT-01T
a
4524
a a
dd
5 6 7 8 9
2886 C20 3518 G3 3528 I3 3538 I7 3548 B5 3561 B7 3573 C11 3583 D10 3593 H17
2887 B3 3519 K5 3529 I5 3539 J7 3549 A4 3562 K7 3574 J10 3584 I10 3594 I17
2888 J21 3520 K5 3530 I4 3540 J5 3550 I5 3563 C7 3575 D14 3585 B11 3595 H17
3511 G2 3521 C3 3531 D7 3541 D6 3551 K5 3564 K8 3576 H14 3586 I10 3596 H17
3512 G2 3522 C3 3532 J7 3542 J6 3552 K5 3565 D9 3577 F12 3587 B11 3597 I16
3513 F4 3523 C4 3533 D7 3543 C7 3553 K4 3566 I9 3578 F12 3588 K10 3598 I15
3514 G4 3524 D4 3534 J7 3544 K7 3554 J4 3569 J13 3579 J3 3589 D10 3599 E11
3515 F4 3525 C3 3535 C7 3545 B5 3555 J4 3570 K13 3580 I12 3590 J9 3600 I14
3516 H4 3526 C3 3536 I7 3546 B5 3556 K4 3571 C11 3581 D10 3591 C10 3601 F13
3517 F3 3527 H3 3537 D7 3547 B5 3557 K4 3572 J9 3582 I10 3592 J9 3602 G13
10 11 12 13 14
Variations table for AF8 Board
FW-C80/22/34/37
FW-C85/30/37
FW-C870/37
FW-C85/21/21M
FW-C870/21
FW-C85/22/34
FW-C83/22
FW-C90/22
FW-P88/37
FW-P880/37
3587 FW-P900/37
BC857B
FW-P88/22
7523 150K
+8.5V
3585
NJM4560M 8 3
47K
1
7513-A
2
4
2575
a
3591
220n
22K
2597
470p
a a
2593
3589
a
47u 2K2
3583
220R
a
a
D
3599
100n +8.5V
a
100R
2868 2670
D
100n
24 25 34 36 41
DGND DVDD 2609
DIGITAL SUPPLY
470n
MUTE
VOLUME 2 3601
BASS REAR_L 32
FADER
3K3
40
ADDR
3577 I2C_DATA
37
DATA
470R 3578
38
CLK
470R I2C_CLK
28
SMEXT
35
PAUSE
2517
19
CSM a
100n
3602
29
VOLUME 2 REAR_R
BASS
MUTE FADER
REF 3K3
2610
2531
39
CREF
470n
ANALOG SUPPLY
22n
AGND AVDD
2532
26 27 33 43 42
a
10u 3576
a
+8.5V 220R
7525
+12A
BC547B
a
7528
BC847B
a a a a a
3586 3584
a
47K 220R
a
2576
+12A
220n 4588
+12A
aa a
D
a a M
7524 +12 6513 BREF HPREF
+12M
BC857B
1N4003
9513
a a
3588 M
a a
150K
1 2501
1
1503 100n
1501
1502
a
RT-01T RT-01T
1
RT-01T
3653
3669
D
1K ALC_EN
1K
10 11 12 13 14
12-4
3603 D14 3613 E14 3623 D16 3634 G17 3644 J20 3659 C20 3673 H19 3684 I20 3853 C19
3604 G14 3614 G14 3624 G16 3635 C17 3645 D18 3660 C21 3674 I18 3686 G2 4510 L3
3605 D14 3615 F15 3625 D16 3636 H17 3646 G19 3661 C19 3675 I18 3687 H2 4511 D8
3606 G14 3616 H14 3626 F16 3637 D17 3647 D19 3662 E19 3676 J18 3688 G3 4512 H8
3607 C15 3617 E15 3627 D16 3638 G17 3648 F19 3663 F19 3677 I18 3689 F3 4513 K19
3608 F15 3618 G15 3628 G16 3639 D18 3649 G19 3665 F21 3678 D21 3690 E4 4524 L9
3609 D15 3619 F15 3629 K16 3640 G18 3650 H19 3666 F21 3679 C21 3691 D4 4569 D20
3610 G15 3620 H15 3631 C17 3641 H18 3651 G20 3669 L14 3681 H19 3701 D4 4588 J11
3611 F13 3621 D15 3632 G17 3642 J14 3652 H20 3671 G19 3682 J19 3702 E4 4596 I7
3612 F14 3622 G15 3633 D17 3643 K14 3653 L11 3672 H19 3683 I20 3852 C21 4618 B5
15 16 17 18 19
2619 3639 3543 3561 5521 9555
1527 1712 2865 3680 4620 4596
2620 3640 3544 3562 5522 9595
-- 4u7 12k 3k3 -- IN USE
IN USE 1n 22k -- IN USE --
IN USE -- 4u7 10n 12k 3k3 -- -- IN USE IN USE -- IN USE
IN USE IN USE
IN USE -- 0u47 10n 10k 3k3 -- -- -- --
IN USE -- 10n 10k 3k3 -- IN USE IN USE IN USE
4u7 -- --
IN USE -- 4u7 10n 10k 3k3 -- -- IN USE IN USE -- IN USE
IN USE -- 10n 10k 3k3 IN USE IN USE
4u7 -- -- IN USE --
-- IN USE 4u7 10n 10k -- 1k2 -- IN USE IN USE -- IN USE
-- IN USE 1k2 IN USE IN USE
4u7 10n 10k -- -- IN USE --
-30V
+IS
3635 a
NJM4556AM
HPREF
B_ref3
10K
2619
+IS 3631
3 8
2647
3645
2607 820R
4u7 1
7515-A
2631
100n 3633 47R
2 22u
4
a
4u7 5K6
3637 2637
3623 HPREF
7531
47K
47p
BC847B
47K 3639
2615
10K
220p
BC817-25
a a a
7535
3662
7533
1K
a
BC847B
a
2611
3613 3617
5K6 8K2 3663
1n8
3615 1K
5K6 +IS
a a
+IS
MUTE_SW
2608 2632
100n 4u7
3624 3640
7532
47K 10K
BC847B
2616
HPREF 3638 2638
220p
47K 47p
3634
6 4 a
a a a
5K6
7534 7
7515-B 3671
BC847B
3614 2612 3618 3632
a a 5
NJM4556AM
220K
8 2640
5K6 1n8 8K2 820R 3672
3616 B_ref3 220K
47u
3673
a a
5K6 22n
a
2K7
HPREF
2639
a
3641
6519 +12A
10R
1N4148
a
3675
2661
1N4148 6518
3598
3K3
6521 470K 1u
1N4148
2664
2663 3677
a a a
10p 1u 150R
3674 7543
BC817-25
330K
7541
BC847B
a a
MUTE_SW
29 30
8
7
NTC
+12A
3629
28 6 7
+IS
+VCD
820R 6
5 5
STANDBY
5
4 4
F1
4
a 3
Det 3
F2
3
2 2
-30V
2
1 1
PW_DN
1
AB
POWER
15 16 17 18 19
4619 B5 6513 J12 7513-B J9 7528 I14 7543 I19
4621 B20 6516 F19 7515-A D18 7529 I5 7544 C21
4622 C20 6518 I16 7515-B G18 7531 D15 7545 C20
4623 C20 6519 H16 7521 H4 7532 G15 9510 G2
5511 H18 6520 I15 7522 I4 7533 E15 9511 J7
5512 F21 6521 I14 7523 B11 7534 G15 9513 K12
5513 G2 7511 E6 7524 J10 7535 E19 9595 H2
5521 G2 7512-A D7 7525 H11 7536 E19 9622 I3
6511 B4 7512-B J7 7526 K4 7539 C19
6512 I11 7513-A C10 7527 K4 7541 J18
20 21 22
# : Provision
: Refer to Variations table for correct value.
Note : Some values may varies, see respective parts list
A
for correct value.
B
# 4621
+5v
7545
7539
BC847B
BC857B
+5V6
C
3852 3679
5K6 1K
# 4623
3660
7544
INV_MUTE
3647
BC847B
D 10K
47R
D
D D D
# 4569
FE-BT-VK-N
1539 1540
Lhp 1 1
aa aa
FE-BT-VK-N 2 E
2
a
1528
3
1 L 3
2 4
4
BC817-25 a 5
aa 3 5
7536 a
4 6
R 6
a
5 Rhp 7 7
5512
8
6 DPLsw
FE-BT-VK-N
2u2
F
3665
+5V6
HEADPHONE
15K
3666
HP_DET
5K6
D D
G
27
3649
9
47R 8
aa
7
aa
3650 aa AMP_ON 6
47R
5
a +12A POWER
4
a H
aa aa 3
+12M
2
+12A
M
1
3681
+5V6
DIPMATE
22R
a
2669 1504
1
100n
I
1
3683
2
470R SUB-WOOFER OUT
3
YKC21-3416
a a a
1527
2888
100n 5
J
3 SURROUND OUT
a
4
YKC21-3440
1712-A
surr_out 3644
5
1K
1
SUB-WOOFER OUT
2
YKC21-3440
K
1712-B
surr_gnd
L
3139 118 53190...86340 for...3425 pt3 dd wk0038
20 21 22