Digital Unit (9/15) - Marantz AV7701 Service Manual

1 2
TO CA
PAGE 20_E5 PAGE 17_E1
CB
TO SUB CPU
TO AUDIO PLD
D_AUDIO
DATAAD
FSDIR1
256FSDIR1
64FSDIR1
ADC
ADCRST
MUTEFLAG
DACRST
DAC64FS
DAC256FS
DATASB
DATAF
DATACSW
DATAS
DACFS
DACMC
DACMDI
DACMS
MCU_DATA
GND POWER + POWER -
3 4
TO BM
BN
C4491 0.1
C4492 0.1
C4493 1000P
C4494 1000P
C4495 OPEN
C4496 OPEN
C4497 1000P
C4498 1000P
C4499 1000P
C4581 1000P
C4582 OPEN
C4583 1000P
C4584 1000P
C4585 1000P
C4586 1000P
C4587 1000P
C4588 1000P
C4589 1000P
C4590 1000P
C4591 1000P
C4592 OPEN
C4593 1000P
R4503
OPEN
C4507
10/16V R4501
0
C4505
R4507
4700P
OPEN
8 7 6 5 4 3 2 1
9 10 11 12 13 14 15 16
R4508
C4506
4700P OPEN
R4515
33 IC451
R4502
C4508
AK5358BET 0
10/16V
R4504
OPEN
C4516
R4516
1k 1000P
R4402
1k C4402
0.1
C4404 4.7/6.3V
C4405 4.7/6.3V
C4409
12 11 10 9 8 7 6 5 4 3 2 1
SDTI4
13 ROUT1+ 48
SDTI1
14 ROUT1- 47
15 SDTI2 LOUT2+ 46
16 SDTI3 45
LOUT2-
17 LRCK ROUT2+ 44
IC441
18 I2C ROUT2- 43
AK4358VQ
19 CCLK/SCL LOUT3+ 42
20 CDTI/SDA 41
LOUT3-
21 CSN/CAD1 ROUT3+ 40
22 DCLK ROUT3- 39
23 DSDL4 LOUT4+ 38
24 DSDR4 LOUT41 37
25 26 27 28 29 30 31 32 33 34 35 36
C4410
C4409, C4410
SR7007 : 680P
DIGITAL AUDIO SIGNAL LINE
STBY POWER
5 6
R4517 open
open
R4518
R4417 OPEN
R4421 4.7K
R4427
R4425 C4425
R4413 3.9K 220 100
680P
R4411 3.9K R4423
C4429
100/16V
220
R4415 5 6 7 8
OPEN
R4416 4 3 2 1
OPEN
C4430
100/16V
R4412 3.9K R4424
220
R4428
R4414 3.9K C4426 100
R4426 220
680P
R4422 4.7K
R4418 OPEN
R4437 OPEN
4.7K
R4441
R4447
C4445 100
R4433 3.9K R4445 220
680P
R4431 3.9K R4443
220
R4435
5 6 7 8
OPEN
4 3 2 1
R4444
R4432 3.9K
R4448
180
100
R4446 180 C4446
R4434 3.9K
680P
R4442 12K
R4438 39K
R4457 150K
R4461 6.8K
R4467
R4453 3.9K C4465 100
R4465 220
470P
R4451 3.9K R4463
220
5 6 7 8
4 3 2 1
R4452 3.9K
R4464
220
R4468
R4454 3.9K C4466 100
R4466 220
470P
R4462 6.8K
150K
R4458
R4477 OPEN
R4481 4.7K
R4473 3.9K C4485 R4487
R4485 220
680P 100
R4471 3.9K R4483
220
R4475
5 6 7 8
OPEN
R4476
4 3 2 1
OPEN
R4472 3.9K R4484
220 R4488
C4486 100
R4474 3.9K 220
R4486
680P
R4482 4.7K
R4478 OPEN
ANALOG AUDIO SIGNAL LINE
156
7 8
DA+5V
DA-8V
DA+8V
ADINL
ADINR
DAGND
FL
C4521,C4522
SR7007_U/N/K : 680p
FR
DACRTNGND
CEN DAFL
DAFR
DAC
DASW
DASL
DASR
DASBL
DASBR
C4523,C4524
SR7007U/N/K : 680p
SUB
SL
C4525,C4526 1000P
C4537
SR7007_U/N/K : 680p
C4538 1000P
C4539 OPEN
C4540 1000P
C4541
1000P
SR
C4542 1000P
C4543 OPEN
C4544 1000P
DGND DAGND
BSL
C4527,C4528
SR7007_U/N/K : 680p
BSR
SCHEMATIC DIAGRAMS (19/31)

DIGITAL UNIT (9/15)

A
P
B
C
D
E
F