12-4
12-4
AF9 BOARD - CIRCUIT DIAGRAM (PART 1)
88
88
8
CHIP
SELECT
I
2
C BUS
TRANSCEIVER
I/O POR
T
DA
T
A
LA
TCHES
PWR
RES
OUT
I/O
IN
SHIFT
REG
8
VOLUME I
RIGHT
SUR.
SOURCE
SUPPLY
POWER
SELECTOR
TREBLE
LEFT
VOLUME II
LOGIC
LEFT
REC
IIC BUS
BASS ALC
BASS
LEFT
VOLUME I
LEFT
SUR.
TREBLE
RIGHT
VOLUME II
RIGHT
BASS
RIGHT
P
P
P
P
P
P
P
P
J
K
L
A
B
C
D
E
F
G
H
I
J
K
L
1102 L10
1103 K10
1501 G1
1502 F4
1503 G1
1504 I1
1505 F5
1506 C1
1510 G1
1531 D1
1532 D2
3K3
AUX IN
#
SUBWOOFER
P
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
P
W
FULL I.S.
10n for S
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
A
B
C
D
E
F
G
H
I
P
P
P
1602 K22
1603 E21
1691 K2
2201 C7
2202 D7
2203 E8
2204 D6
2205 D6
2206 D8
2401 L16
# only for
W
P
P
P
P
P
2K2
OUT
3K9 for W
C500/37 C780/37 C380/21 P750/37
2402 L16
2403 L16
2404 L15
2501 F2
2502 G2
2503 E3
2504 G3
2505 G6
2506 G8
2507 F8
2511 B5
2512 B5
2513 B4
2514 C4
2515 G6
2516 G8
2521 A4
P...provision
TAPO
P...provision
18K for S
1K
2522 A4
2523 G7
2524 G7
2531 E4
2532 E5
2533 G6
2534 G7
2535 D4
2536 D4
2541 B9
2542 I9
2543 D10
2544 H10
2546 G10
2547 D10
2548 H10
2549 D11
2550 G11
2551 D12
2552 G12
2553 C13
2554 H12
2555 C13
2556 I12
2557 C14
2558 H13
2559 D13
P
P
15K
CDR
P
P
P
Game Sound Port
W
C380/37
P
P...provision
2560 H13
2561 D14
2562 H14
2563 D15
2564 H15
2565 D10
2567 D10
2568 H10
2581 D16
2582 G16
2583 D16
2584 F16
2585 D16
2586 F16
2587 D16
2588 F16
2589 B10
2590 J10
2591 A11
2592 J11
D...for DPL
SIMPLE I.S.
6K8
HighPower / ALC Enable
W
W
2593 A11
2594 J11
2601 D16
2602 G16
2603 D16
2604 F16
2605 D17
2606 G17
2607 D17
2608 F17
2609 E17
2610 F17
2611 D18
2612 F18
2621 B16
2622 H18
2623 G20
2624 G20
2625 I20
2626 I18
2641 E14
2642 G14
2653 A21
2654 B21
2661 H3
#
W
P
3644
W
2662 J3
2663 I3
2664 J3
2665 I2
2666 I2
2667 I1
2669 F1
2681 H7
2682 I7
2683 I6
2691 B17
2696 K3
2697 K3
2698 J1
2707 F12
2708 F12
2771 K20
2772 K20
2902 K10
2904 I1
2905 I20
2908 F13
2921 J1
2922 D21
2923 C1
3201 C7
P
W
SIMPLE I.S.
10K for S
FULL I.S.
W...Provision for Woox only
3202 D6
3401 L17
3402 L17
3403 L16
3404 J15
3405 K15
3406 K15
3408 K14
3409 K13
3410 J13
3435 E3
3436 E4
3437 E3
3438 E4
3501 E2
3502 F2
3503 E3
3504 F3
3505 F3
3506 G3
3507 F3
3508 F3
3511 B3
3512 B3
3513 B4
3514 C4
W
For VCD sets only
P
P
3K9 for W
3521 A4
3522 A4
3523 A4
3524 A4
3531 D3
3532 D3
3533 D4
3534 D4
3541 A8
3542 K8
3543 B9
3544 J9
3545 C9
3546 I9
3547 D9
3548 G9
3549 C10
3550 H10
3551 D12
3552 G12
3553 D12
3554 G12
3555 D12
3556 G12
3557 D13
3558 H13
3559 D14
P
P
W
For CDR sets only
only for
3560 G14
3561 D14
3562 G15
3563 B12
3564 H12
3565 C12
3566 H11
3567 C12
3568 I11
3569 C13
3570 I12
3571 C14
3572 H13
3581 C17
3582 G17
3591 B11
3592 J11
3593 B11
3594 J11
3601 D17
3602 G17
3605 E16
3606 E16
3607 E16
3608 F16
3609 E17
3610 E17
3611 D19
S
S
only for
10K for S
3612 F19
3613 E19
3614 F19
3615 D20
3616 F20
3619 L22
3620 L21
3621 I16
3622 I17
3623 H17
3624 H17
3625 H18
3626 I18
3627 G20
3628 H20
3629 I20
3630 E19
3631 C20
3633 B16
3634 B16
3635 C18
3636 B17
3637 C16
3638 B17
3639 A18
3640 C21
3641 E14
3642 F14
SOLID STATE
S...for simple I.S.
3643 E12
3644 K6
3651 A19
3652 C19
3653 A19
3654 B19
3655 A20
3656 B20
3657 A20
3658 B20
3659 E18
3660 F18
3661 H4
3662 J4
3663 H3
3664 I3
3665 H2
3666 I2
3667 H4
3668 J4
3669 J4
3671 J21
3672 J21
3673 K21
3674 J21
3675 J20
3676 J20
3677 K19
3678 J19
3683 I6
LINE OUT
For DVD sets only
3684 I6
3686 I6
3687 I7
3688 H7
3689 H7
3690 L3
3692 I6
3694 K14
3699 K3
3700 K2
3707 F12
3708 F12
3711 J14
3712 J3
4403 K15
4404 L14
4405 L14
4406 L14
4407 I21
4501 G6
4811 E16
4812 F16
4813 J1
5401 L16
5403 B2
5404 C2
5621 G20
6201 D7
6202 D7
6401 L15
#
6641 E13
6642 F13
6771 J20
6772 J19
6774 B18
6775 J20
7201 C7
7401 J14
7402 K13
7403 J16
7485 D14
7488 H15
7501 D8
7585 C13
7586 I12
7601-A F18
7601-B D18
7603 E20
7604 F20
7621 H18
7622 H18
7623 I17
7635 A17
7636 C16
7651 A21
7652 B21
7653 A19
7654 B19
7661 H3
7662 I3
7663 I4
10n for S
7681 I7
7682 I7
7693 L3
7803 A16
9401 J13
9402 L14
9599 L10
9618 B2
9654 C2
8K2
FRONT
10K
FROM / TO VC
4K7
18K for S
3572
8K2
A_Tp
3686
82K
aa
2568
3555
8K2
2524
2698
100n
15K
3505
15K
3582
GND_A
3677
10M
3506
15K
3651
1K
GND_M
GND_A
7403
SCL
2
SDA
3
SO
1
VDD
13
7803
BC847B
3610
27K
VC_OUT_RIGHT
27K
3534
GND_A
+5V
2505
100p
GND_A
DPL_L
GND_A
VCD_ON
3626
4K7
MUTE_SW_FR
1K
3633
GND_D
22n
2206
1K
3644
A_HP
GND_A
3
1501
YKC21-3418
1
2
4
1K
3561
A_CD
GND_A
1K
3653
-Vkk
GND_A
GND_D
10K
DVD_ON
3571
4406
8K2
3615
33R
GND_A
3502
4K7
470p
2564
I2C_Clk
3548
3K3
A_Aux
1K5
3532
GND_A
A_HP
GND_A
100n
2908
3435
1K
CD_Left
+5V6
100n
2921
3631
1K
2581
47n
GND_A
GND_A
A_Tp
A_CD
5K6
3409
2403
100n
BC847B
7662
YKC21-3416
1691
1
3
2
3654
1K
GND_D
AMP_LEFT
1K
3619
1K
3658
150K
3683
100K
3712
GND_A
2624
22n
3707
1K
1n
5621
2u2
10K
3569
2556
470p
3692
330K
3570
10K
BC847B
7488
GND_D
1K
3613
GND_A
4M7
3630
7652
BC817-25
BC857B
7622
470R
GND_A
VC_OUT_LEFT
AMP_RIGHT
3665
GND_A
470p
2607
47u
2203
GND_A
100p
2605
FE-BT-VK-N
1510
1
2
3
4
5
4K7
3668
GND_D
GND_EMC
10K
3669
2557
100n
7663
BC857B
27K
3609
3636
4K7
3n3
2547
1n
2560
3642
220R
2548
3n3
1n
2601
GND_A
12K
3643
GND_A
2534
100p
A_Mic
3708
1K
2665
4n7
A_Aux
GND_D
2707
100p
820R
3511
3563
10K
2562
220p
GND_D
A_HP
GND_A
1K
3620
4K7
3628
3552
5K6
BC847B
7636
A_HP
MUTE_SW
470R
3666
SA_IN
2593
470n
A_Aux
A_Aux
15
9
20
1
2608
470p
5K6
3593
3
26
4
25
5
24
6
23
8
21
2
7
22
12
17
14
7501
TDA7468
16
10
19
11
18
27
13
28
3553
5K6
GND_EMC
3625
4K7
0u47
2542
+12V_A
3n3
2553
3641
220R
1u
2512
3K3
3660
VC_OUT_RIGHT
6641
1N4148
FE-BT-VK-N
1603
1
2
3
4
7603
BC817-25
1K
D 3541
BC857B
7635
GND_A
A_Aux
3612
47R
GND_D
3551
5K6
SS_R
10K
3507
3533
27K
2669
100n
+12V_A
+5V_CD
GND_EMC
2922
100p
5403
2u2
2923
10n
9618
9654
2u2
5404
GND_A
4812
1K2
GND_A
470n
2587
371
1
5K6
3687
GND_D
2691
100p
22u
2202
2K2
3694
+12V_A
I2C_Clk
10K
3405
MUTE_SW_FR
2552
1n8
2
3
4
5
6
7
100n
2507
3512
820R
1531
FE-BT-VK-N
1
1
3546
5K6
1103
1
1102
1K
3404
2902
470n
2583
470n
3602
12K
+5V
+5V6
AmOn
2641
1n
3406
1K
+12V_A
GND_A
4n7
2546
A_HP
3557
8K2
GND_A
GND_A
3K3
3513
3564
A_Tp
220n
3606
1K
2589
A_HP
A_Mic
SUB_W
10K
3408
A_Tp
4403
470R
3699
GND_A
7201
BC847B
100R
3403
GND_A
A_Mic
A_Aux
GND_A
7693
BC817-25
1K
3522
2K7
3662
SUB_W
A_Tp
3562
1K
BC847B
7402
3594
5K6
A_Tp
+12V_A
1K
3652
3689
150R
GND_A
47n
2585
5K6
3640
2536
4u7
MUTE_SW
3
4
5
6
7
GND_A
A_Aux
GND_D
A_CD
1532
FE-BT-VK-N
1
2
GND_D
1N4148
6201
1u
2503
33R
3616
2610
180p
2622
100p
GND_A
3607
6K8
BC817-25
7651
3503
+12V_M
3639
4M7
Line_L
A_Aux
12K
3558
8K2
2541
0u47
1K
3605
VC_OUT_LEFT
GND_A
CD_Right
+5V6
3568
220K
3508
10K
+12V_A
BC327-25
7401
I2C_Data
2586
47n
2502
100p
3554
5K6
GND_D
470K
3678
GND_A
470n
2584
BC847B
2626
10u
1
2
3
4
5
GND_A
7623
100p
GND_A
1502
FE-BT-VK-N
+5V
I2C_Data
5K6
3634
MIC_DET
6K8
3608
GND_A
2554
3n3
BZX55-C9V1
6202
8K2
3592
2606
100p
TU_Right
7485
BC847B
GND_D
220K
3567
GND_A
2772
0u47
VCD_ON
2565
4n7
Line_R
A_TU
7621
BC847B
GND_A
GND_A
CDR_On
DPL_Req
22u
2612
2549
470n
4K7
3438
+5V_CD
2590
220n
3601
3627
10R
2551
1n8
GND_A
12K
3437
4K7
1n
2513
2588
470n
A_Tp
GND_A
3655
1K
3K3
3700
3674
27K
A_HP
A_DPL
2515
100p
GND_A
1M
3667
3661
2K7
GND_A
1N4148
6401
7586
BC847B
3623
1K
GND_A
BC817-25
7604
GND_D
2521
100n
2683
100n
5
6
7
8
4
2532
4u7
GND_D
NJM4556AM
7601-B
3565
2205
2n2
680K
100n
2904
3676
680K
47n
2582
GND_A
BC817-25
7653
VCDorCDRon
470p
2697
22u
2621
2591
330n
1505
EH-B
1
2
3
2661
1u
2642
1n
-Vkk
3621
10K
TU_Left
GND_D
3544
47K
2681
3591
8K2
GND_A
DPL_Req
47u
390R
3688
A_CD
D 3542
1K
22n
2905
GND_D
470R
3401
CD_PORE1
GND_A
2604
22u
33n
2543
2602
1n
GND_A
YKC21-3418
1504
1
2
4
3
1K
3521
GND_A
2667
100n
100n
2404
2511
1u
5K6
GND_A
100n
2522
GND_A
A_HP
3549
GND_A
BC847B
7585
2611
22u
3635
10K
4404
47K
3672
A_Tp
2504
1u
15p
-Vkk
1
2
aa
2682
A_TU
1506
EH-B
5401
2u2
47K
3543
+5V_VCD
GND_A
A_HP
3K3
3675
GND_A
GND_A
22u
2603
4811
2567
1n
3629
4K7
3566
680K
aa
A_HP
4K7
3523
1N4148
6775
220p
2561
7601-A
NJM4556AM
3
2
1
8
4
3684
GND_A
3638
4K7
2533
100p
A_HP
150K
6772
1N4148
M62320FP
16
CS0
CS1
15
CS2
14
D0
4
5
D1
D2
6
D3
7
D4
9
D5
10
D6
11
D7
12
GND
8
+12V_A
GND_A
33n
2544
4407
A_CD
1
2
3
4
5
6
CDR_On
4405
1602
FE-BT-VK-N
3673
27K
2514
1n
2653
100p
GND_A
1
2
3
4
9401
FE-BT-VK-N
1503
2563
470p
6771
1N4148
BC857B
7681
A_TU
820R
3201
2501
100p
3504
12K
5K6
3550
DPL_R
1N4148
6642
100p
2654
3531
1K5
7661
BC847B
2R2
3410
1K
+5V6
GND_A
CD_PORE
2623
47u
3690
15K
3581
CD_PORE1
4u7
2531
4K7
3501
2506
100p
100p
2402
-CMOS
470R
3402
1u
2662
2516
100p
GND_D
GND_A
3656
1K
3663
2K2
GND_A
GND_A
3659
3K3
470p
2555
1n
2664
3671
47K
150R
4501
GND_A
3202
7654
BC817-25
3556
8K2
3624
5K6
0u47
2771
1n
2559
2592
3560
33K
2708
100p
330n
2550
470n
7682
BC847B
+5V6
3637
10K
3657
1K
22u
2696
9402
33K
3559
3524
4K7
100u
2201
180p
2609
5K6
3545
3514
3K3
4813
2535
GND_A
3436
1K
4u7
2K2
3664
GND_D
A_HP
47R
3611
2401
100p
3547
3K3
1N4148
6774
4n7
2666
100u
2625
2594
470n
3614
1K
2663
1n
9599
2204
220u
SS_L
100n
100p
2523
GND_A
10K
3622
2558
ALC_Enable
VREF
HP_in_L
HP_in_R
ALC_LEVEL
HPREF
MIC_DET
VC_LEFT
VC_RIGHT
SS_L
SS_R
TP_REC_LEFT
TP_REC_RIGHT
GND_A_Tp
TP_LEFT
+12V_A
TP_RIGHT
-CMOS
HP_DET
LINE_R
ALC_LEVEL
ALC_Enable
+IS
B_REF3
B_REF3
LINE_L
Mute1
Mute2
+IS
+IS
Mute1
SS_L
SS_R
VREF
+IS
HPREF
HPREF
HPREF
HPREF
VC_RIGHT
VC_LEFT
B_REF3
LINE_L
LINE_R
Mute2
+IS
3139 118 53770...88340 for...3435 pt2 dd wk0048
Note : Some values may varies, see respective
parts list for correct value.
+9.1V
5.9V
5.9V
5.9V
5.9V
5.9V
5.9V
0.7V
0.2V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
11.7V
9.1V
9.8V
0.6V
3.2V
4.6V
0V
5.6V
4.6V
5.9V
0V
0V
1V
5.4V
4.8V
0.2V
0.7V
5.9V
0V
0V
0V
5.4V
0V
0.2V
0.7V
11.6V
4.6V
3.9V
5.4V
1V
4.9V