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AF9 BOARD - CIRCUIT DIAGRAM (PART 1)
1102 L10
1531 D1
2205 D6
2504 G3
2516 G8
2535 D4
2549 D11
2558 H13
2568 H10
1103 K10
1532 D2
2206 D8
2505 G6
2521 A4
2536 D4
2550 G11
2559 D13
2581 D16
1501 G1
1602 K22
2401 L16
2506 G8
2522 A4
2541 B9
2551 D12
2560 H13
2582 G16
1502 F4
1603 E21
2402 L16
2507 F8
2523 G7
2542 I9
2552 G12
2561 D14
2583 D16
1503 G1
1691 K2
2403 L16
2511 B5
2524 G7
2543 D10
2553 C13
2562 H14
2584 F16
1504 I1
2201 C7
2404 L15
2512 B5
2531 E4
2544 H10
2554 H12
2563 D15
2585 D16
1505 F5
2202 D7
2501 F2
2513 B4
2532 E5
2546 G10
2555 C13
2564 H15
2586 F16
1506 C1
2203 E8
2502 G2
2514 C4
2533 G6
2547 D10
2556 I12
2565 D10
2587 D16
1510 G1
2204 D6
2503 E3
2515 G6
2534 G7
2548 H10
2557 C14
2567 D10
2588 F16
1
2
3
4
3521
2521
TU_Left
1K
100n
P
A
A_TU
2522
3522
TU_Right
1K
100n
P
A_TU
2511
3511
CD_Left
820R
1u
B
+12V_M
9618
A_CD
A_CD
2512
3512
5403
CD_Right
P
EH-B
820R
1u
2u2
1506
2
9654
1
A_CD
A_CD
C
P
5404
2u2
SS_L
10n
GND_M
2535
3533
Line_L
GND_EMC
27K
4u7
+12V_A
only for
2536
3534
CDR
FE-BT-VK-N
Line_R
1532
1531
FE-BT-VK-N
27K
4u7
D
1
1
TP_REC_LEFT
SS_R
A_Tp
2
2
TP_REC_RIGHT
3
3
A_Tp
GND_A_Tp
4
4
A_Tp
TP_LEFT
3436
2532
5
5
+12V_A
2531
3435
1K
4u7
6
6
TP_RIGHT
1K
7
4u7
7
-CMOS
E
P
P
A_Tp
A_Tp
A_Tp
A_Tp
-CMOS
3501
3503
2503
1502
4K7
12K
1u
#
3507
1
1
10K
2
2
A_Aux
#
3508
F
4
3
A_Aux
A_Aux
3
10K
2
A_Aux
4
1505
SS_R
EH-B
3502
3504
1
5
SS_L
only for
4K7
12K
#
Game Sound Port
FE-BT-VK-N
2504
3
1u
1501
# only for
YKC21-3418
SOLID STATE
AUX IN
A_Aux
A_Aux
A_Aux
G
1510
1503
FE-BT-VK-N
FE-BT-VK-N
1
1
+12V_A
2
2
3
3
4
4
MIC_DET
MIC_DET
A_Mic
5
A_Mic
H
2661
3661
LINE_L
4.6V
1u
2K7
3665
BC847B
P
7661
GND_A
470R
1V
3663
3667
-Vkk
2K2
1M
2663
4
GND_A
1n
2
I
GND_A
3666
1
BC847B
7663
7662
1V
470R
3664
BC857B
5.6V
3
2K2
0V
1504
2664
3668
YKC21-3418
+5V6
GND_A
LINE OUT
4K7
1n
GND_A
10K
GND_A
Mute2
GND_A
3669
J
2662
4.6V
3662
LINE_R
2K7
1u
4813
2921
2698
100n
100n
GND_EMC
GND_A
K
1
2696
3699
5.9V
SUB_W
2
470R
22u
3
YKC21-3416
1691
GND_A
GND_A
0V
GND_A
0V
3690
MUTE_SW_FR
1K
7693
L
BC817-25
GND_A
SUBWOOFER
OUT
1
2
3
4
12-4
2589 B10
2604 F16
2621 B16
2654 B21
2681 H7
2771 K20
3201 C7
3409 K13
3504 F3
2590 J10
2605 D17
2622 H18
2661 H3
2682 I7
2772 K20
3202 D6
3410 J13
3505 F3
2591 A11
2606 G17
2623 G20
2662 J3
2683 I6
2902 K10
3401 L17
3435 E3
3506 G3
2592 J11
2607 D17
2624 G20
2663 I3
2691 B17
2904 I1
3402 L17
3436 E4
3507 F3
2593 A11
2608 F17
2625 I20
2664 J3
2696 K3
2905 I20
3403 L16
3437 E3
3508 F3
2594 J11
2609 E17
2626 I18
2665 I2
2697 K3
2908 F13
3404 J15
3438 E4
3511 B3
2601 D16
2610 F17
2641 E14
2666 I2
2698 J1
2921 J1
3405 K15
3501 E2
3512 B3
2602 G16
2611 D18
2642 G14
2667 I1
2707 F12
2922 D21
3406 K15
3502 F2
3513 B4
2603 D16
2612 F18
2653 A21
2669 F1
2708 F12
2923 C1
3408 K14
3503 E3
3514 C4
5
6
7
8
9
D 3541
DPL_R
1K
GND_A
3201
+IS
S
3545
820R
5K6
GND_A
7201
+9.1V
BC847B
11.7V
+12V_A
9.1V
6201
9.8V
10K for S
3547
GND_A
1N4148
LINE_L
GND_A
3K3
GND_A
GND_A
7501
TDA7468
GND_A
GND_A
7
8
4.6V
A_Aux
27
A_Mic
VREF
VOLUME I
1
POWER
SUR.
A_Tp
A_HP
SUPPLY
LEFT
28
A_CD
A_TU
A_DPL
GND_A
GND_A
3
4
SOURCE
5
SELECTOR
LOGIC
6
2507
2
100n
23
24
VOLUME I
25
SUR.
26
RIGHT
22
21
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
3548
LINE_R
3K3
10K for S
3689
+12V_A
150R
GND_A
SS_L
SA_IN
S
3546
3.9V
5K6
3.2V
7681
BC857B
2683
7682
BC847B
100n
0.6V
SS_R
GND_A
GND_A
GND_A
GND_A
D 3542
DPL_L
1K
3644
1K
GND_EMC
C380/37
C500/37 C780/37 C380/21 P750/37
3644
1K
2K2
3K3
4K7
6K8
8K2
10K
15K
CD_PORE
5
6
7
8
9
3521 A4
3542 K8
3551 D12
3560 G14
3569 C13
3594 J11
3611 D19
3622 I17
3631 C20
3522 A4
3543 B9
3552 G12
3561 D14
3570 I12
3601 D17
3612 F19
3623 H17
3633 B16
3523 A4
3544 J9
3553 D12
3562 G15
3571 C14
3602 G17
3613 E19
3624 H17
3634 B16
3524 A4
3545 C9
3554 G12
3563 B12
3572 H13
3605 E16
3614 F19
3625 H18
3635 C18
3531 D3
3546 I9
3555 D12
3564 H12
3581 C17
3606 E16
3615 D20
3626 I18
3636 B17
3532 D3
3547 D9
3556 G12
3565 C12
3582 G17
3607 E16
3616 F20
3627 G20
3637 C16
3533 D4
3548 G9
3557 D13
3566 H11
3591 B11
3608 F16
3619 L22
3628 H20
3638 B17
3534 D4
3549 C10
3558 H13
3567 C12
3592 J11
3609 E17
3620 L21
3629 I20
3639 A18
3541 A8
3550 H10
3559 D14
3568 I11
3593 B11
3610 E17
3621 I16
3630 E19
3640 C21
10
11
12
13
14
2591
2593
330n
470n
GND_A
GND_A
3563
+IS
10K
7585
FULL I.S.
BC847B
SIMPLE I.S.
GND_A
GND_A
GND_A
GND_A
3559
3551
33K
5K6
2549
2551
2561
3553
3555
5K6
8K2
470n
1n8
220p
2565
4n7
GND_A
GND_A
9
10
11
GND_A
TREBLE
BASS
VOLUME II
12
LEFT
LEFT
LEFT
ALC_LEVEL
P
16
3643
P
BASS ALC
GND_A
12K
14
3707
I2C_Clk
IIC BUS
1K
15
3708
P
13
I2C_Data
REC
1K
2908
100n
VOLUME II
GND_A
GND_D
3642
TREBLE
BASS
17
220R
RIGHT
RIGHT
RIGHT
20
19
18
GND_A
2546
4n7
P
2550
2552
3552
470n
5K6
1n8
3554
3556
3560
5K6
8K2
33K
+IS
2562
220p
GND_A
GND_A
2558
3572
GND_A
SIMPLE I.S.
100n
8K2
7586
BC847B
FULL I.S.
GND_A
GND_A
GND_A
2592
2594
330n
470n
7401
BC327-25
P
3410
+5V_CD
+5V6
2R2
5.4V
ALC_Enable
9401
4.8V
GND_A
GND_A
VCD_ON
0.2V
0.7V
3694
7402
BC847B
2K2
2902
1103
Mute2
TAPO
1
470n
GND_D
GND_D
1102
FRONT
1
For DVD sets only
4404
DVD_ON
DPL_Req
9402
+5V_VCD
+5V_CD
9599
CD_PORE1
For VCD sets only
4405
VCDorCDRon
VCD_ON
For CDR sets only
4406
CDR_On
10
11
12
13
14
12-4
3641 E14
3656 B20
3665 H2
3675 J20
3689 H7
3712 J3
4813 J1
6642 F13
7485 D14
3642 F14
3657 A20
3666 I2
3676 J20
3690 L3
4403 K15
5401 L16
6771 J20
7488 H15
3643 E12
3658 B20
3667 H4
3677 K19
3692 I6
4404 L14
5403 B2
6772 J19
7501 D8
3644 K6
3659 E18
3668 J4
3678 J19
3694 K14
4405 L14
5404 C2
6774 B18
7585 C13
3651 A19
3660 F18
3669 J4
3683 I6
3699 K3
4406 L14
5621 G20
6775 J20
7586 I12
3652 C19
3661 H4
3671 J21
3684 I6
3700 K2
4407 I21
6201 D7
7201 C7
7601-A F18
3653 A19
3662 J4
3672 J21
3686 I6
3707 F12
4501 G6
6202 D7
7401 J14
7601-B D18
3654 B19
3663 H3
3673 K21
3687 I7
3708 F12
4811 E16
6401 L15
7402 K13
7603 E20
3655 A20
3664 I3
3674 J21
3688 H7
3711 J14
4812 F16
6641 E13
7403 J16
7604 F20
15
16
17
18
19
MUTE_SW_FR
-Vkk
3651
1K
0V
P
BC817-25
7803
7635
7653
BC847B
BC857B
0V
0V
+5V6
0V
aa
3634
BC817-25
5K6
7654
MUTE_SW
0V
0.2V
VC_OUT_RIGHT
GND_D
7636
GND_D
BC847B
0.7V
GND_D
GND_D
3635
10K
W
3581
15K
A_HP
HPREF
W
2581
B_REF3
47n
NJM4556AM
2603
W
2585
7601-B
5
8
2611
5.9V
22u
47n
7
W
2583
W
2587
5.9V
6
22u
7485
BC847B
5.9V
4
470n
470n
4811
A_HP
-Vkk
3607
2609
GND_A
GND_A
HPREF
3641
6K8
180p
P...provision
220R
3605
3609
P
VC_LEFT
1K
27K
3606
3610
VC_RIGHT
1K
27K
2610
3608
HPREF
SUB_W
6K8
180p
4812
A_HP
NJM4556AM
W
2584
W
2588
5.9V
7601-A
4
2612
2
5.9V
470n
470n
2604
1
W
2586
22u
5.9V
8
22u
3
47n
W
2582
B_REF3
47n
+IS
A_HP
GND_A
HPREF
3582
W
15K
7621
7622
+5V6
0V
BC857B
5.4V
BC847B
MUTE_SW
0V
7488
BC847B
0V
0V
3624
GND_A
GND_A
5K6
0.2V
3621
7623
Mute1
BC847B
10K
0.7V
GND_D
GND_D
GND_D
GND_D
M62320FP
+5V
7403
1
ALC_LEVEL
SO
4
P
CD_PORE1
D0
5
6772
CDR_On
ALC_Enable
P
D1
6
1N4148
470K
HighPower / ALC Enable
D2
7
Mute1
D3
9
14
DPL_Req
D4
CS2
10
15
AmOn
GND_D
D5
CS1
11
16
D6
CS0
12
D7
GND_D
4403
P
3406
8
13
3
2
+5V
1K
3401
D...for DPL
I2C_Clk
470R
GND_D
P
5401
S...for simple I.S.
3402
2u2
I2C_Data
P...provision
6401
3403
4.9V
470R
+5V6
W...Provision for Woox only
1N4148
100R
Note : Some values may varies, see respective
parts list for correct value.
GND_D
GND_D
GND_D
GND_D
15
16
17
18
19
7621 H18
7661 H3
9599 L10
7622 H18
7662 I3
9618 B2
7623 I17
7663 I4
9654 C2
7635 A17
7681 I7
7636 C16
7682 I7
7651 A21
7693 L3
7652 B21
7803 A16
7653 A19
9401 J13
7654 B19
9402 L14
20
21
22
VC_OUT_LEFT
3655
A
AMP_LEFT
1K
0V
3653
3657
0V
7651
BC817-25
0V
1K
1K
aa
3654
3658
0V
B
7652
0V
BC817-25
1K
1K
0V
3656
AMP_RIGHT
1K
C
3640
+5V
5K6
3631
HP_DET
1K
D
GND_D
3611
3615
33R
47R
1603
FE-BT-VK-N
3613
7603
1
HP_in_L
BC817-25
1K
2
A_HP
E
3
HP_in_R
4
A_HP
3614
7604
BC817-25
1K
F
3612
3616
47R
33R
11.6V
3627
5621
B_REF3
+12V_A
2u2
10R
G
A_HP
H
+12V_A
5.9V
HPREF
P
4407
I
A_HP
A_HP
A_HP
aa
VREF
P
6775
3672
P
P
47K
1N4148
J
P
P
3678
GND_A
P
P
P
6771
3671
P
1N4148
47K
P
P
K
GND_A
GND_A
GND_A
GND_A
FROM / TO VC
1602
P...provision
FE-BT-VK-N
1
VC_LEFT
2
VC_RIGHT
3
A_HP
3620
4
VC_OUT_RIGHT
L
1K
3619
5
VC_OUT_LEFT
1K
6
+12V_A
3139 118 53770...88340 for...3435 pt2 dd wk0048
20
21
22
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