A.audio/Video Unit (3/7) - Denon AVR-4520CI Service Manual

1 2
TO VOLUME
TO 8U-210119-1(2/4)
.PREOUT_SW1
.PREOUT_SW2
.PREOUT_SBR
.PREOUT_SBL
.PREOUT_FHR
.PREOUT_FHL
.PREOUT_FWR
.PREOUT_FWL
AH
GND POWER + POWER -
3
8U-210119-1(3/4)
A.AUDIO/VIDEO_UNIT
TO AC
TO AUDIO/VIDEO CONNECT
AD
TO 8U-210119-1(1/4)
A+7V
A-7V
H/PIN_FL
H/PIN_FL
H/PIN_FR
H/PIN_FR
PREGND
PREOUT_Z2R
PREOUT_Z2R
PREOUT_Z2L
PREOUT_Z2L
PREOUT_Z3R
PREOUT_Z3R
PREOUT_Z3L
PREOUT_Z3L
.PREOUT_FR
.PREOUT_FR
.PREOUT_FL
.PREOUT_FL
.PREOUT_SR
.PREOUT_SR
.PREOUT_SL
.PREOUT_SL
.PREOUT_C
.PREOUT_C
.PREOUT_SW1
.PREOUT_SW2
.PREOUT_SBR
.PREOUT_SBL
.PREOUT_FHR
.PREOUT_FHL
.PREOUT_FWR
.PREOUT_FWL
STBY POWER
4 5
U3501
C3538 R3577
NJM4556AD
220P
H/PIN_FR
3 8
R3578
C3536 1
[2/2]
10/63 C3540
2
R3534
100/16
R3532
R3526 R3528 R3530
2.2K
1K
220K 220K
R3527 R3529 R3531
220K 220K 1K R3533
2.2K C3541 R3579
100/1 6
C3537
6
R3535
10/63
[1/2]
7
H/PIN_FL
5 4
C3539 R3580
U3501
220P
NJM4556AD
C3519
10/63
PREOUT_Z3R
S3502
R3509
BC3/12V 13
100K
9 11
R3510 8 6
C3520 100K
BC3/12V
10/63
PREOUT_Z3L
S3502 4
C3521
PREOUT_Z2R 10/63
S3503
R3511
BC3/12V 13
100K
9 11
R3512
6
8
100K
C3522
BC3/12V
10/63
PREOUT_Z2L
S3503 4
C3523
.PREOUT_FR 10/63
S3504
R3513
BC3/12V 13
100K
9 11
R3514
6
8
100K
C3524
BC3/12V
10/63
.PREOUT_FL
S3504 4
C3525
10/63
.PREOUT_SR
S3505
R3515
BC3/12V 13
100K
9 11
R3516 6
8
C3526 100K
BC3/12V
10/63
.PREOUT_SL
S3505 4
C3527
10/63
.PREOUT_C
S3506
R3517 S3506
4
13
100K BC3/12V BC3/12 V
8 6 11 9
C3528
.PREOUT_SW1 10/63 S3507
R3518 BC3/12V S3507
13
100K 4
BC3/12V
8 6 11 9
C3529
10/63
.PREOUT_SW2
R3519 S3508 S3508
4
13
100K BC3/12V BC3/12 V
8 9
6 11
C3530
10/63
.PREOUT_SBR
S3509
R3520
BC3/12V
13
100K
9 11
R3521
8 6
C3531 100K
BC3/12V
.PREOUT_SBL 10/63
4
S3509
C3532
10/63
.PREOUT_FHR
S3510
R3522
BC3/12V
13
100K
9 11
R3523
8 6
C3533 100K
BC3/12V
.PREOUT_FHL 10/63
4
S3510
C3534
10/63
.PREOUT_FWR
S3511
R3524
BC3/12V 13
100K
9 11
R3525
8 6
C3535 100K BC3/12V
10/63
.PREOUT_FWL 4
S3511
KRA105S KRA105S KRA105S KRA105S KRA105S KRA105S KRA105S KRA105S
Q3502 Q3504 Q3506 Q3508 Q3510 Q3512 Q3514 Q3516
Q3501 Q3503 Q3505 Q3507 Q3509 Q3511 Q3513 Q3515
KRC102S KRC102S KRC102S KRC102S KRC102S KRC102S KRC102S KRC102S
AUDIO SIGNAL LINE
154
6 7
100
N3501
OPEN
100
OPEN
100
S3501
4
BC3/12V
8 6
9 11
S3501
100 BC3/12V 13
100
PREOUT
100
Z3R
2
R3540 C3542 R3557
100K 470P 1
220
Z3R/Z3L
R3541 C3543
100K 470P R3558
UNDER
220 5
Z3L
6
Z2R
2
R3542 C3544 R3559
1
100K 470P 220
Z2R/Z2L
R3543 C3545
100K 470P R3560 RCA-637-00-04 UNDER
220 K3105 5
Z2L
C3559 0. 1
6
C3560
1000P
FR
4
R3544 C3546 R3561
100K 470P 220
FR/FL
R3545 C3547
100K 470P R3562 TOP
220
FL
8
SR
3
R3546 C3548 R3563
100K 470P 220
SR/SL
R3547 C3549
100K 470P R3564
RCA-637-00-04 MID
220 K3301
SL
7
C
4
R3548 C3550 R3565
100K 470P 220
TOP
SW1
3
R3549 C3551
R3566
100K 470P
220 MID
K3302
RCA-349BF-00-07
SW2
2
R3550 C3552
R3567
100K 470P 220 1
UNDER
SBR
4
R3551 C3553
R3568
100K 470P 220 TOP
SBR/SBL
R3552 C3554
100K 470P
R3569
220
SBL
8
FHR
3
R3553 C3555
R3570
100K 470P 220
FHR/FHL
C3556
R3554
MID
100K 470P
R3571
220
FHL
7
2 FWR
R3555 C3557 R3572
100K 470P 220 1
FWR/FWL
R3556 C3558
100K 470P R3573 RCA-637-00-04 UNDER
220 K3303
5
FWL
6
KRA105S KRA105S KRA105S
Q3518 Q352 0 Q3522
Q3517 Q3519 Q3521
KRC102S KRC102S KRC102S
SCHEMATIC DIAGRAMS (9/36)

A.AUDIO/VIDEO UNIT (3/7)

8
A
B
C
D
E
F