Main Dac Unit - Denon AVR-1913 Service Manual

1 2
AE AF
AD
TO AI TO AB
TO AA
FROM
FROM
DM860A
DIR/PLD
N2401
4P(20010WS)
1 2 3 4
R2408
C2433
C2434
R2409
8 7 6 5 4 3 2 1
U2403
AK5358BET
9 10 11 12 13 14 15 16
R2403 33
DATAAD
FSDIR1
256FSDIR1
64FSDIR1
R2404 1K C2423 1N-K
ADC_RST
U2402
PQ033DNA1ZPH
1 3
IN OUT
NC
ON/OFF GND
C2408 4 C2421
1UF-K(1608) 2 5 1UF-K(1608)
R2503
OPEN
R2402
0
R2401
OPEN
20 19 18 17 16 15 14 13 12 11
U2401 PCM5100
1 2 3 4 5 6 7 8 9 10
R2406
R2407
MODEL AVR1913 AVR2113
R_NO E3 E3 E2
C2454,C2455,C2456,C2457
3900PF 3900PF CH)3900PF CH)3900PF
C2458,C2459,C2460,C2461
C2469,C2470,C2477,C2478 470PF 470PF CH)470PF
C2465,C2466,C2467,C2468
680PF 680PF CH)680PF
C2471,C2472,C2473,C2474
C2475,C2476,C2479,C2480
R2499,R2500 0 0 OPEN
U2406 AZ4580M AZ4580M NJM4565
GND GND POWER + POWER + POWER - POWER -
3
FROM
DIR/PLD
A/DIN_R.
A/DIN_L.
MUTEFLAG
C2448
100N-K
R2412 1K
DAC_RST
DAC64FS
DAC256FS
C2446 OPEN
C2447 4.7U(1608)
12 11 10 9 8 7 6 5
DATASB 13
DATAF 14
SDTI1
PIN13 : SDTI4
DATAC 15 SDTI2 PIN48 : ROUT1+
PIN47 : ROUT1-
DATAS 16
0(1608) SDTI3
DACFS 17 LRCK
OPEN(SMD)
A/DIN_L. U2404
18
I2C
OPEN(SMD) A/DIN_R. AK4358VQ
JT_TCK/AP_CK/DAC_CK
19 CCLK/SCL
0(1608)
JT_TDI/AP_DA/DAC_DA 20
CDTI/SDA
DAC_MS 21 CSN/CAD1
PIN24 : DSDR4
22 PIN37 : LOUT4-
DCLK
23 DSDL4
24
25 26 27 28 29 30 31 32
D2401
KDS181
1
3 DM860_DAC_MUTE
DAC_ETHER_MUTE
2
DM860_LRCK
DM860_DATA
DM860_BCLK
DM860_MCLK
470
DM860R
C2437 R2410
2N2-K 100K
C2438 R2411
2N2-K
100K
470
DM860L
JP E1C
3900PF
CH)470PF 470PF
CH)680PF 680PF
OPEN 0
NJM4565 AZ4580M
STBY POWER STBY POWER ANALOG AUDIO SIGNAL LINE
4 5
R2443
R2431
OPEN(1608)
C2462
OPEN(1608)
R2413
R2432
0(1608) OPEN(1608)
C2452
U2405:A
OPEN(1608) OPEN
C2453
U2405:B
OPEN(1608)
OPEN
R2414 R2433
0(1608) OPEN(1608)
C2463
OPEN(1608)
R2434
OPEN(1608)
R2444
C2454
R2416 R2454
3K9(1608) 3N9-K(1608) 220(1608)
FL+
FL-
R2415
3K9(1608)
R2417
3K9(1608)
FR+
R2455
220(1608)
FR-
C2455
R2418
4 3 2 1
3N9-K(1608)
3K9(1608)
48
47
LOUT2+ 46
45
LOUT2-
ROUT2+ 44
R2420 C2456 R2458
43 3K9(1608) 3N9-K(1608) 220(1608)
ROUT2-
CEN+
LOUT3+ 42
41
LOUT3-
CEN-
ROUT3+ 40
R2419
39 3K9(1608)
ROUT3-
LOUT4+ 38
37
33 34 35 36
R2421
3K9(1608)
SW+
R2459
180(1608)
SW-
C2457
R2422
3N9-K(1608)
3K9(1608)
R2424 C2458
R2462
3K9(1608)
3N9-K(1608) 180(1608)
SL+
SL-
R2423
3K9(1608)
R2425
3K9(1608)
SR+
R2463
180(1608)
SR-
C2459
R2426
3K9(1608) 3N9-K(1608)
R2428 C2460 R2466
3K9(1608) 3N9-K(1608) 220(1608)
SBL+
SBL-
R2427
3K9(1608)
R2429
3K9(1608)
SBR+
R2467
220(1608)
SBR-
C2461
R2430
3N9-K(1608)
3K9(1608)
DIGITAL AUDIO SIGNAL LINE
132
6 7
0(1608)
R2485
OPEN(1608)
C2481
R2486
10/16(RV2)
OPEN(1608)
2
1
4 3
C2464
OPEN
8 5
C2482
7 R2487
10/16(RV2)
OPEN(1608)
6
R2488
OPEN(1608)
0(1608)
R2499 0(1608)
R2500 0(1608)
DA-7V
U2406:A
AZ4580M
[FL]
3 4 R2489
100(1608)
R2453 1
220(1608)
2
C2473 680P-J(1608)
C2487 C2488
OPEN(1608) 100/16(RV2)
R2470 4K7(1608)
R2469 OPEN(1608)
U2406:B
C2486
C2485
AZ4580M
OPEN(1608) 100/16(RV2)
[FR]
5 8 R2490
100(1608)
R2456
7
220(1608)
6
DA+7V
C2474 680P-J(1608)
R2471 4K7(1608)
R2472 OPEN(1608)
DA-7V
U2407:A
AZ4580M
3 4 [CEN]
R2491
100(1608)
R2457
1
220(1608)
2
C2475 680P-J(1608)
R2474 4K7(1608)
R2473 OPEN(1608)
AZ4580M
[SW] R2492
5 8
100(1608)
R2460 7
180(1608)
6 U2407:B
DA+7V
C2476 680P-J(1608)
R2475 12K(1608)
R2476 39K(1608)
DA-7V
U2408:A
AZ4580M
[SL] R2493
3 4
100(1608)
R2461 1
180(1608)
2
C2477 470P-J(1608)
R2478 6K8(1608)
R2477 150K(1608)
U2408:B
AZ4580M
[SR]
5 8 R2494
100(1608)
7
R2464
180(1608)
6
DA+7V
C2478 470P-J(1608)
R2479 6K8(1608)
R2480 150K(1608)
DA-7V
U2409:A
AZ4580M
[SBL]
3 4 R2495
100(1608)
R2465
1
220(1608)
2
C2479 680P-J(1608)
R2482 4K7(1608)
R2481 OPEN(1608)
DA+7V
U2409:B
AZ4580M
5 8 [SBR] R2496
100(1608)
R2468
7
220(1608)
6
C2480 680P-J(1608)
R2483 4K7(1608)
R2484 OPEN(1608)
SCHEMATIC DIAGRAMS (8/26)

MAIN DAC UNIT

8
A
MAIN DAC
AG
A/DIN_R
B
DAGND
A/DIN_L
DAGND
DACRTNGND
DAGND
DAFL
DAGND
DAFR
DAGND
DAC
DAGND TO BD
DASW
DAGND
DASL
TO DIGITAL CNT
DAGND
DASR
DAGND
DASBL
C
DAGND
DASBR
DM860L
DAGND
DM860R
DA+5V
DA+7V
DA-7V
D
E
F