EN 81
7.
LX7500R
Circuit Diagrams and PWB Layouts
-
+
-
+
REFGND
LPFLT
AOUTB1
AOUTA1
CCLK
CDOUT
CDIN
CS
-
FILT+
VQ
MUTEC
-
+
-
VLC
AD0
AD1
SCL
RST
SDOUT
3
2
1
LRCK
SCLK
VA
2
RMCK
2
1
1
0
OMCK
GPO
ADCIN
ADC
DAC
SDIN
AINR
AINL
AOUTB4
AOUTA4
AOUTB3
AOUTA3
AOUTB2
AOUTA2
AGND
DGND
+
-
+
-
+
-
+
-
+
-
+
+
NC
SDA
INT
4
SCLK
LRCK
VD
VLS
3
4
5
6
2508 A5
2509 A6
2510 A6
2511 A7
2512 B12
2513 B13
2514 B13
2515 B12
2516 B13
1
2
3
4
8
9
10
11
12
H
2454 H6
2455 H4
2456 H3
2457 H1
2500 A9
2501 A10
2502 A3
2503 A10
2504 A9
2505 A11
2506 A4
2507 A5
2517 B5
2518 B5
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
Reset
13
14
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
2549 E2
2550 E9
2551 E10
2519 B6
2520 B6
2521 B9
2522 B10
2523 C10
2524 C9
2525 C11
2526 C12
2527 C13
2528 C5
2529 C13
2530 C4
2531 C12
2532 D13
2533 D9
2534 D10
2535 D10
2569 G5
2570 G1
2571 G6
2572 G6
2573 G9
2574 G9
2575 G9
2536 D9
2537 D11
2538 E12
2539 E13
2540 E13
2541 E2
2542 E12
2543 E13
2544 E3
2545 E7
2546 E7
2547 E8
2548 E8
3501 A10
3502 A14
3503 A10
2552 F4
2553 F4
2554 F7
2555 F10
2556 F8
2557 F9
2558 F11
2559 F12
2560 F13
2561 F13
2562 F2
2563 F3
2564 F3
2565 F4
2566 F12
2567 G13
2568 G5
CODEC
COMBI BOARD
3524 C4
2576 G9
2577 G9
2578 G10
2579 G10
2580 G12
2581 G12
2582 G12
2583 G13
2584 G13
2585 G13
2586 G13
2587 G3
2588 H4
2589 H5
3123 C3
3124 C3
3500 A9
3542 D13
3504 A3
3505 A12
3508 A13
3510 A10
3511 A14
3512 B12
3513 B9
3514 B10
3515 B13
3516 B12
3517 B13
3518 B9
3519 B10
3520 B14
3521 B10
3522 C4
3523 C4
3560 D14
3561 E4
3562 E7
3525 C4
3526 C4
3527 C12
3528 C13
3529 C4
3530 C10
3531 C14
3532 C4
3533 C12
3534 C9
3535 C10
3536 C4
3537 C3
3538 D13
3539 D4
3540 D4
3541 D12
Connect close to CODEC
3580 E4
3581 E14
3582 E3
3583 E4
3584 E10
3543 D4
3544 D9
3545 D10
3546 D4
3547 D14
3548 D4
3549 D4
3550 D10
3551 D4
3552 D4
3553 D4
3554 D4
3555 D4
3556 D12
3557 D13
3558 D4
3559 D10
3602 G12
3603 G13
3604 G6
3605 G8
3606 G12
3607 G1
3563 E12
3564 E4
3565 E9
3566 E10
3567 E1
3568 E4
3569 E4
3570 E1
3571 E2
3572 E4
3573 E13
3574 E12
3575 E13
3576 E1
3577 E3
3578 E9
3579 E10
5401 A6
5404 A3
7400-1 A11
7400-2 A13
7402-1 B11
7402-2 C13
3585 E4
3586 F4
3587 F8
3588 F4
3589 F12
3590 F13
3591 F10
3592 F14
3593 F12
3594 F9
3595 F10
3596 F4
3597 F2
3598 F4
3599 G13
3600 G2
3601 G3
F417 C3
F418 C3
F419 C3
F420 C3
F421 C14
F422 C3
F423 C3
F424 C3
F425 C5
3608 G7
3609 G3
3610 G4
3611 G1
3612 H3
3613 G4
3614 G6
3615 H4
3616 H5
3617 H4
3618 H5
3619 F2
3620 F3
3621 G4
3622 G6
4401 A3
5400 A5
F429 E3
F430 E8
F431 E3
F432 E8
F433 E7
F434 E4
F435 F7
F436 F14
F437 F6
F438 F6
F439 G6
F440 G10
F441 G13
F446 G7
7404-1 D11
7404-2 D13
7405 C5
7408 E1
7409 E2
7410-1 E11
7410-2 F13
7412-1 G3
7412-2 G2
7414-1 H5
7414-2 H6
F410 A14
F411 A5
F412 A6
F413 A14
F415 B6
F416 B14
GND_ACS
F426 D3
F427 D14
F428 D14
330p
3K3
3505
3540
2525
10K
100n
2520
3538
3K9
100K
3582
GND_A
GND_AC S
2543
330p
BC847BW
7409
3556
3K3
3534
3K3
3602
3K3
3514
3K9
GND_A S
GND_A
2511
47u
16V
3K9
3503
100n
2507
D
3
2
1
8
4
7404-1
LM833D
8
4
100R
3568
7400-2
LM833D
5
6
7
3K9
3563
F422
D
5401
3K9
3557
GND_ALR
GND_A
330p
2513
2586
100n
100n
2579
2501
330p
2500
1n5
2589
3618
3K3
100p
2550
1n5
330p
2505
GND_ALR
GND_A S
3500
3K3
GND_AS
F426
F415
D
1n5
2559
F435
F446
3515
F427
3K9
LM833D
7400-1
3
2
1
8
4
F424
100p
2568
3611
3K3
2556
680p
2554
2n7
3593
3K9
5400
3
2
1
8
4
7402-1
LM833D
F418
50V
10u
2547
3572
100R
3569
100R
330p
2522
50V
470n
2544
3610
4K7
3K3
3594
3560
220R
1n5
2542
3K9
D
50V
3573
2565
4u7
3K9
3603
10K
3525
2517
100n
10K
3523
41
4
51
6
53
17
38
49
50
54
59
19
55
12
7
8
24
18
48
47
46
45
44
43
42
11
39
21
20
3
2
1
64
63
62
5
52
33
28
29
22
23
35
34
31
30
27
26
25
40
15
16
14
13
36
37
32
7405
CS42418-C
Q
CODEC
Φ
10
9
58
57
60
61
56
GND_ALR
100R
3586
3K3
3513
50V
4u7
2572
3K3
3541
2567
330p
2566
1n5
3583
100R
100R
3536
F419
F433
GND_AS
3508
3K9
GND_ALR
3595
3K9
3502
220R
1n5
2512
LM833D
7404-2
5
6
7
8
4
10n
GND_AS
2509
2540
470p
3598
220R
3596
220R
330p
2558
GND_AS
GND_ACS
330p
2532
10K
3607
2529
470p
470p
F423
2523
3524
10K
2503
470p
F438
330p
2560
3558
GND_ALR
10R
3570
1K0
F416
D
D
3519
3K9
3592
220R
3581
220R
GND_A
3547
220R
3520
220R
2569
4u7 50V
5404
3591
3K9
LM833D
7410-1
3
2
1
8
4
F412
3550
3K9
F439
2536
1n5
3K9
3533
100R
3585
47u
2506
GND_A
3587
10K
16V
330p
2571
3511
220R
100n
2576
F429
100n
2575
3K9
3K9
3599
3K3
3512
GND_ALR
3565
2526
1n5
GND_A
2510
100n
GND_A
3608
220R
3604
220R
1n5
2521
3612
3K3
100p
2570
4
GND_ALR
3K9
3579
LM833D
7412-1
3
2
1
8
1n5
2531
D
470p
2535
3K9
3530
3537
100R
3521
3K9
10R
10R
3548
3546
F436
GND_ALR
100n
2583
100n
100n
2582
2584
D
GND_ALR
470p
2514
D
3615
10K
470p
2555
50V
4u7
2563
3578
3K3
GND_AC S
D
2562
100p
2564
330p
2516
330p
2537
330p
330p
D
3597
2539
4K7
3616
3K3
2528
10u
16V
100n
2530
2541
10n
100n
2581
10R
GND_ALR
3549
3601
3K3
3K3
3609
10R
3605
F434
F425
3580
100R
2578
100n
5
6
7
84
3R3
7414-2
LM833D
D
3606
3K3
3617
3542
3K9
100R
3543
82K
3600
1n5
2557
F430
3K3
3518
3K9
3584
2524
1n5
GND_ALR
2580
25V
100u
1n5
2533
8
4
F428
LM833D
7402-2
5
6
7
F441
GND_ACS
2519
GND_ALR
10n
10n
2549
220K
3577
3555
10R
3K3
3614
GND_A
GND_ALR
5
6
7
84
D
7412-2
LM833D
GND_ALR
3K3
3589
3545
3K9
3559
F431
3K9
3564
100R
2527
330p
10K
2553
3522
16V
10u
F432
F410
3561
10R
3K9
3528
2585
2502
100n
100n
3504
100R
2561
470p
3590
3K9
2518
10n
3501
3527
3K3
3K9
BC847BW
7408
1n5
2504
330p
2534
25V
2573
100u
8
4
3K9
3566
7410-2
LM833D
5
6
7
2588
100p
3562
10K
100p
2456
2551
330p
GND_ALR
100p
2455
100p
2457
10R
3554
10n
2508
3510
3K9
F417
3532
10K
10K
3529
3526
10K
100R
3588
1K0
3622
1K0
3621
1K0
3620
3619
2545
1K0
3K9
16V
100u
3575
2548
100n
100n
2546
D
1K0
3571
3551
100R
3K9
3535
3613
82K
100p
2454
100R
3123
2538
1n5
3K3
3544
D
F437
F411
10R
3552
3553
10R
3576
100K
F413
3K3
3574
100R
3124
3531
220R
4401
2574
100n
100n
2577
F421
GND_A
F420
3K9
3517
3
2
1
84
GND_ALR
LM833D
7414-1
3567
47K
F440
2552
100n
GND_ACS
1K0
3539
2515
1n5
2587
100p
3516
3K3
+OP_DAC
CODEC_INT
DAC_L
DAC_R
DAC_SL
DAC_SR
DAC_Center
DAC_SUB
DOWNMIX_L
DOWNMIX_R
SPDIF_MCLK01
SPDIF_MCLK02
-OP_DAC
+OP_DAC
+OP_DAC
-OP_DAC
+3V3
+5V
ADC_IN_L
+5V_A
+OP_DAC
+OP_DAC
-OP_DAC
-OP_DAC
+OP_DAC
IIS_OUT_BCLK_RC
IIS_OUT_WS_RC
-OP_DAC
-5V_A
+3V3
+5V_A
+3V3
+OP_DAC
-OP_DAC
+OP_DAC
-OP_DAC
+OP_DAC
-OP_DAC
+OP_DAC
-OP_DAC
+OP_DAC
-OP_DAC
+OP_DAC
-OP_DAC
+OP_DAC
-OP_DAC
IIS_OUT_BCLK
IIS_OUT_WS
DSP_CLK
ADC_IN_R
CODEC_RST
IIS_OUT_SDA4
IIS_OUT_SDA3
IIS_OUT_SDA2
IIS_OUT_SDA1
IIS_IN_SDA1
+5V
CODEC_SCL
CODEC_SDA
-OP_DAC
# for provision only
Combi board LX7500R, 221104
EVM
V
DC voltages measured in Stop mode
with no audio output.
...V
5V
5V
5V
3,3V
0V
0V
-5,2V
1,5V
1,5V
5V
-5,2V
-5,2V
-5,2V
2,7V
4,8V
4,8V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
2,7V
5V
1,5V
1,5V
1,5V
1,5V
1,5V
1,5V
5V
5V
5V
1,5V
5V
-5,2V
1,5V
1,5V
5V
-5,2V
1,5V
1,5V
5V
-5,2V
1,5V
1,5V
5V
-5,2V
1,5V
1,5V
5V
-5,2V
1,5V
1,5V
5V
-5,2V
1,5V
1,5V
5V
-5,2V
1,5V
1,5V
5V
-5,2V
1,5V
-5,3V
-5,2V
5V
5V
5V
1,6V
1,6V
3,2V
3,3V
3,3V
5V
5V
1,2V