Digital Unit (4/14) - Denon AVR-4520CI Service Manual

1 2
DAC3.3V1
L403
L401
U401 PQ033DNA1ZPH
BLM21PG221
0
100mA
VOUT 3
1 VIN
NC
4
ON/OFF GND
L404
L402 2 5
OPEN
OPEN
DAC_CCS1
DAC_CDATA
DA_POWER
DAC_CCLK
DAC3.3V2 DACRST1
L407
L405
U402 OPEN
OPEN
OPEN
100mA
VOUT 3
1 VIN
NC
4
ON/OFF GND
L408
L406 2 5
OPEN
OPEN
DA_POWER
CH
DAC_CCS1
TO CG
DAC_CDATA
DAC3.3V2 DAC_CCLK
DACRST1
DA_POWER
DA_POWER
DAC_CCLK
DAC_CCLK
DAC_CDATA
DAC_CDATA
DAC_CCS1
DAC_CCS1
TO CF DAC_CCS2
DAC_CCS2
DACRST1
DACRST1
DACRST2
DACRST2
CE
DAC256fs_1
DAC256fs_1
DAC64fs_1
DAC64fs_1
DACDATA_F
DACDATA_F DAC_CCS1
DACfs_F
DACfs_F DAC_CDATA
DZFFR
DZFFR DAC_CCLK
DZFFL
DZFFL
DACRST1
DACDATA_CSW1
DACDATA_CSW1
DACfs_CSW1
DACfs_CSW1
DZFSW1
DZFSW1
DZFC
DZFC
DACDATA_S
DACDATA_S
DACfs_S
DACfs_S
DZFSR
DZFSR
DZFSL
DZFSL
DACDATA_SW2-
DACDATA_SW2-
DAC_CCS1
DACfs_SW2-
DACfs_SW2-
DAC_CDATA
TO BU DZFSW2
DZFSW2
DAC_CCLK
DZF-
DZF-
DACRST1
DAC256fs_2
DAC256fs_2
DAC64fs_2
DAC64fs_2
DACfs_SB
DACfs_SB
DACDATA_SB
DACDATA_SB
DZFSBR
DZFSBR
DZFSBL
DZFSBL
DACfs_FH
DACfs_FH
DACDATA_FH
DACDATA_FH
DZFFHR
DZFFHR
DZFFHL
DZFFHL
DAC_CCS2
DAC_CDATA
DACDATA_FW
DACDATA_FW
DAC_CCLK
DACfs_FW
DACfs_FW
DZFFWR
DZFFWR DACRST2
DZFFWL
DZFFWL
DGND
BV
DAC_CCS2
DAC_CDATA
DAC_CCLK
DACRST2
DAC_CCS2
DAC_CDATA
DAC_CCLK
DACRST2
GND POWER + POWER -
3 4
47/6.3
C426 C430 47/6.3
L409 11A121
U403
C431 4.7u
PCM1795DBR
NJM4565M
DZFFL C432 4.7u
ZEROL VCC2L U410
DZFFR R404
ZEROR AGND3L
2
C427 100P 10K
MSEL IOUTL- 3
DACfs_F
LRCK IOUTL+
DACDATA_F
DATA AGND2 5
DAC64fs_1 C433 4.7u
BCK VCC1 6
U410
DAC256fs_1 C434 100P
SCL VCOML
NJM4565M
C436
C428 4.7u 47/6.3
DGND VCOMR
NJM4565M
R405 10K
VDD IREF U411
MS AGND1
2
MDI IOUTR- 3
MC IOUTR+
MDO AGND3R 5
R403 1K C435 4.7u
RST VCC2R 6
U411
L410
C429 NJM4565M
11A121
1000P
U404
C444 4.7u
PCM1795DBR
NJM4565M
DZFC C440 4.7u
ZEROL VCC2L
U413
DZFSW1 R407
ZEROR AGND3L
2
C437 100P 10K
MSEL IOUTL-
3
DACfs_CSW1
LRCK IOUTL+
DACDATA_CSW1
DATA AGND2 5
DAC64fs_1 C441 4.7u
BCK VCC1 6
U413
DAC256fs_1 C442 100P
SCL VCOML
NJM4565M
C445
C438 4.7u 47/6.3
DGND VCOMR
NJM4565M
R408 10K
VDD IREF
U414
MS AGND1
2
MDI IOUTR-
3
MC IOUTR+
MDO AGND3R 5
R406 1K C443 4.7u
RST VCC2R 6
U414
L411
C439 NJM4565M
11A121
1000P
U405
C449 4.7u
PCM1795DBR
NJM4565M
DZFSL C450 4.7u
ZEROL VCC2L
U416
DZFSR R410
ZEROR AGND3L
2
C446 100P 10K
MSEL IOUTL-
3
DACfs_S
LRCK IOUTL+
DACDATA_S
DATA AGND2 5
DAC64fs_1 C451 4.7u
BCK VCC1 6
U416
DAC256fs_1 C452 100P
SCL VCOML
NJM4565M
C447 4.7u C454 47/6.3
DGND VCOMR
NJM4565M
R411 10K
VDD IREF
U417
MS AGND1
2
IOUTR-
MDI 3
IOUTR+
MC
AGND3R 5
MDO
R409 1K C453 4.7u
VCC2R 6
RST U417
C448 NJM4565M
1000P L412
U406 11A121
PCM1795DBR
NJM4565M
DZFSW2 C458 4.7u
ZEROL VCC2L
U419
DZF- R413
AGND3L
ZEROR 2
C455 100P 10K
IOUTL-
MSEL 3
DACfs_SW2-
IOUTL+
LRCK
DACDATA_SW2-
AGND2 5
DATA
C459 4.7u
DAC64fs_1 VCC1 6
BCK U419
C460 100P
DAC256fs_1 VCOML
SCL NJM4565M
C456 4.7u C461 47/6.3
VCOMR
DGND OPEN
R414 10K
IREF
VDD U420
AGND1
MS 6
IOUTR-
MDI 5
IOUTR+
MC
AGND3R 3
MDO
R412 1K C462 4.7u
VCC2R 2
RST U420
C457 OPEN
1000P
L413
U407
11A121
PCM1795DBR
NJM4565M
C466 4.7u
DZFSBL ZEROL VCC2L
U422
R416
DZFSBR AGND3L
ZEROR 2
C463 100P 10K
IOUTL-
MSEL 3
DACfs_SB IOUTL+
LRCK
DACDATA_SB AGND2 5
DATA
C467 4.7u
DAC64fs_2 VCC1 6
BCK
U422
C468 100P
DAC256fs_2 VCOML
SCL NJM4565M
C464 4.7u C469 47/6.3
VCOMR
DGND NJM4565M
R417 10K
DAC3.3V1 IREF
VDD U423
AGND1
MS 6
MDI IOUTR- 5
MC IOUTR+
3
MDO AGND3R
1K C470 4.7u
R415 2
RST VCC2R
U423
C465 NJM4565M
L414
1000P
U408 11A121
PCM1795DBR
NJM4565M
C474 4.7u
DZFFHL
ZEROL VCC2L U425
R419
DZFFHR
ZEROR AGND3L 2
C471 100P 10K
MSEL IOUTL- 3
DACfs_FH
LRCK IOUTL+
DACDATA_FH 5
DATA AGND2
C475 4.7u
DAC64fs_2 6
BCK VCC1
U425
C476 100P
DAC256fs_2
SCL VCOML NJM4565M
C472 4.7u 47/6.3
C477
DGND VCOMR NJM4565M
R420 10K
VDD IREF U426
MS AGND1
6
MDI IOUTR- 5
MC IOUTR+
3
MDO AGND3R
C478
R418 1K 4.7u 2
RST VCC2R
U426
C473 NJM4565M
1000P L415
U409 11A121
PCM1795DBR
NJM4565M
DZFFWL C482 4.7u
ZEROL VCC2L U428
R422
DZFFWR
ZEROR AGND3L
2
C479 10K
100P
MSEL IOUTL- 3
DACfs_FW
LRCK IOUTL+
DACDATA_FW 5
DATA AGND2
DAC64fs_2 C483 4.7u 6
BCK VCC1
U428
DAC256fs_2 C484 100P
SCL VCOML
NJM4565M
C485 47/6.3
C480 4.7u
DGND VCOMR
NJM4565M
R423 10K
VDD IREF U429
MS AGND1
6
MDI IOUTR- 5
MC IOUTR+
3
MDO AGND3R
R421 1K C486 4.7u 2
RST VCC2R
U429
NJM4565M
C481
1000P
AUDIO SIGNAL LINE
STBY POWER
5
R442 OPEN
R424 820 R443 1.5K
R428 R432 R438
C487 2200P FL - C497 820P
8
820 820 1.2K
FL
2
C491 C493 R439
1
4 1
1500P 1500 P 1.2 K (1/2)
7 R446
3 8
U412
C488 2200P 100
R429 R433 R436
FL + NJM4565M
R425 820 820 820 C495
1.5K
820P
R426 820
R437 C496
C489
2200P FR + R430 R434 1.5K U412
820P
8 R447
820 820
NJM4565M
100
5 4
C492 C494 R440
1
4 7
1500P 1500P 1.2K (2/2)
7
6 FR
C490 2200P R441
R431 R435
FR -
1.2K
R427 820 820 820 C498 820P
R444 1.5K
R445 OPEN
R466 OPEN
R448 820 R467 1.5K
C501
2200P C - R452 R456 R462 C511 820P
8
820 820 1.2K
C
2
C505 C507 R463
1
4 1
1.2K (1/2)
1500P 1500 P
7 R470
3 8
U415
C502 2200P 100
R453 R457 R460
C + NJM4565M
R449 820 820 820 C509
1.5K
820P
R450 820
R461
C510
2200P
C503 SW1 + R454 R458 2.7K U415
2200P
8 R471
820 820
NJM4565M
100
5
4
C506 C508 R464
1
4 7
1.2K (2/2)
2200P 2200P
7
6 SW1
C504 2200P R465
R455 R459
SW1 -
R451 820 820 820 1.2K C512 2200P
R468 2.7K
R469 OPEN
R490 39K
R472 820 R491 2.2K
C519 2200P SL - R476 R480 R486 C529 680P
8
1.2K
820 820 SL
2
C523 C525 R487
1
4 1
1.2 K (1/2)
1500P 1500 P
7 R494
3 8
U418
C520 2200P 100
R477 R481
SL + R484 NJM4565M
R473 820 820 820 C527
2.2K
680P
R474 820
R485
C528
C521 2200P SR + R478 R482 2.2K U418
680P
8 820 820 R495
NJM4565M
5 100
4
C524 C526 R488
1
4 7
(2/2)
1500P 1500P 1.2K
7
6 SR
C522 2200P
R479 R483 R489
SR -
R475 820 820 820 1.2K C530 680P
R492 2.2K
R493
39K
OPEN
R514
R496 820 R515 2.7K
C533 2200P SW2 - R500 R504 R510 C543 2200 P
8 820 820 1.2K
SW2
2
C537 C539
1 R511
4
1
2200P 2200 P 1.2K (1/2)
7 R518
3 8 U421
C534 2200P 100
R501 R505
SW2 + R508
NJM4565M
R497 820 820 820 C541
2.7 K
2200P
R498 OPEN
R509
C542
C535 OPEN RSV R502 R506 U421
+ OPEN 0
8 OPEN OPEN
NJM4565M R519
5 4 OPEN
C538 C540 R512
7
4
7
OPEN OPEN OPEN (2/2) (2/2)
1
6
C536 OPEN RSV
R503 R507 R513
RSV -
R499 OPEN OPEN OPEN OPEN C544 0
R516 OPEN
R517 OPEN
R538 OPEN
R520 820 R539 1.5K
C547 2200P SBL - R524 R528 R534 C557 820P
8 820 820 1.2K
SBL
2
C551 C553
R535
4 1
1
1500P 1500 P 1.2K (1/2)
R542
7
3 8 U424
C548 2200P 100
R525 R529
SBL + R532
NJM4565M
R521 820 820 820 C555
1.5K
820P
R522 820
R533
C556
C549 2200P SBR + R526 R530
1.5K 820P U424
8 820 820
NJM4565M R543
5 4
C552 C554 100
R536
4 7
7
1500P 1500P 1.2K (2/2)
1 SBR
6
C550 2200P
R527 R531 R537
SBR -
R523 820 1.2K C558 820P
820 820
R540 1.5K
R541 OPEN
R562 OPEN
R544 820 R563 1.5K
C561 2200P FHL - R548 R552 R558 C571 820P
8
820 820 1.2K FHL
2
C565 C567
R559
4 1
1
1500P 1500 P 1.2K (1/2)
R566
7
3 8 U427
C562 2200P 100
R549 R553
FHL + R556
NJM4565 M
R545 820 820 C569
820
1.5K
820P
R546
820 R557
C570
2200P FHR + R550 R554
C563 1.5K 820P U427
8
820 820 R567
NJM4565M
5 4
C566 C568 100
R560
4 7
7
1500P 1500P 1.2K (2/2)
1 FHR
6
2200P
C564 R551 R555 R561
FHL -
R547 820 820 1.2K C572 820P
820
R564 1.5K
R565 OPEN
R586 OPEN
R568 R587
820 1.5K
FWL - R582 C585
C575 2200P R572 R576 820P
8
820 820 1.2K FWL
2
C579 C581 R583
4 1
1
1500P 1500 P 1.2K (1/2)
R590
7
3 8 U430
C576 2200P R573 R577 100
FWL +
R580 NJM4565M
R569 820 C583
820 820
1.5K
820P
R570
820
R581 C584
FWR +
C577 2200P R574 R578 1.5K U430
820P
8
820 820 NJM4565M
R591
5 4
100
C580 C582 R584
4 7
7
1500P 1500P 1.2K (2/2)
1 FWR
6
C578 2200P R585
FWR - R575 R579
1.2K 820P
R571 820 820 820 C586
R588
1.5K
R589 OPEN
171
6 7
REF:401
DA+5V
DACGND
A+7V
A-7V
DACFL
DACFR
DACC
DACSW1
10/16
C499
DACSL
C500 10/16
DACSR
DACSW2
DACRSV
DACSBL
DACSBR
DACFHL
DACFHR
DACFWL
DACFWR
N2103
OPEN
1
2
10/16
C517
C518 10/16
C531 10/16
C532 10/16
C545 1u
C546 1u
C559 1u
C560 1u
C573 1u
C574 1u
C587
1u
C588
1u
SCHEMATIC DIAGRAMS (26/36)

DIGITAL UNIT (4/14)

8
A
GI
B
C
D
E
F