Denon AVR-1911 Service Manual page 86

1 2
D3.3V
19 18 17 16 15 14 13 12 11 10 9 8 7
L2501
6
BLM21PG221 20 PVIN VOUT
21 PVIN 5
VOUT
22 NC U2501 NC 4
L2502
23 NC EX3AV NC 3
BLM21PG221
24 NC NC(SW) 2
1
25 PGND NC(SW)
26 27 28 29 30 31 32 33 34 35 36 37 38
D5V_POWER
R2504
OPEN
C2507 R2507
C2510
OPEN
OPEN
OPEN
D1.8V
19 18 17 16 15 14 13 12 11 10 9 8 7
L2503
BLM21PG221 20 PVIN 6
VOUT
21 PVIN VOUT 5
U2502
22 NC NC 4
L2504
23 NC EX3AV NC 3
BLM21PG221
24 NC 2
NC(SW)
25 PGND 1
NC(SW)
26 27 28 29 30 31 32 33 34 35 36 37 38
R2505
OPEN
C2508 R2508
C2511
OPEN OPEN
OPEN
D1.2V
19 18 17 16 15 14 13 12 11 10 9 8 7
L2505
BLM21PG221 20 PVIN VOUT 6
21 PVIN VOUT 5
U2503
22 NC NC 4
L2506 23 NC 3
EX3AV NC
BLM21PG221
24 NC 2
NC(SW)
25 PGND NC(SW) 1
26 27 28 29 30 31 32 33 34 35 36 37 38
DA_POWER
R2506
OPEN
C2509 R2509
C2512
OPEN OPEN
OPEN
D5V
DGND
D3.3V DA3.3V
NET3.3V
DGND
D1.8V NET1.8V
DGND
3
AVR1911/791 ONLY
D3.3V
L2507
D5V
OPEN
D3.3V
430mA
Q2507
4 5 6
KRA104S
L2508
OPEN
3 2 1
R2519
Q2515
470K
D1.8V FDC608PZ
D1.8V
500mA
Q2508
5 6
4
NET_POWER KRA104S
R2549
3 2 1
OPEN
R2520
470K Q2516
FDC608PZ
D3.3V
Q2509
R2550
L2509 5 6
4
KRA104S
4.7K
OPEN
DA_POWER 3 2 1
L2510
R2521
Q2536
OPEN 470K Q2517
KRC102S FDC608PZ
Q2537
KRC104S
D5V
160mA
Q2510
R2551
6
4 5
KRA104S
4.7K
DV_POWER1 3 1
2
Q2549 Q2518
KRC102S FDC608PZ
Q2550
200mA D3.3V KRC104S
Q2511
4 5 6
KRA104S
L2511
1
3 2
OPEN R2523
820mA Q2519
470K
FDC608PZ
L2512
D1.8V
OPEN 1.2A
Q2512
R2552
4 5 6
KRA104S
4.7K
DV_POWER2 3 2 1
R2524
Q2540 Q2520
470K
KRC102S
FDC608PZ
Q2541
D3.3V KRC104S
0.9A
Q2513
R2553
5 6
4
KRA104S
4.7K
CEC_POWER 3 2 1
R2525
Q2542
470K Q2521
KRC102S FDC608PZ
Q2543
KRC104S
720mA D1.8V
6
4 5
Q2514
KRA104S
3 1
2
R2526
470K Q2522
FDC608PZ
DV5V
DV3.3V
DA1.2V DV1.8V
4 5
500mA
D5V TO
430mA
NET3.3V
500mA TCC8600
U2504
NET1.8V
PQ033DNA1ZPH
DGND
VIN VOUT
3
1
NC
ON/OFF GND 4
2 5
TO
1.04A
DA3.3V
820mA
AUDIO
DA1.2V
DGND
PLD
U2505
PQ033DNA1ZPH
VOUT
VIN 3
1
NC
GND 4
ON/OFF
2 5
DV5V
DV3.3V
TO
DV1.8V
I/P
DGND
CEC3.3V
TO
CEC1.8V
HDMI
DGND
RX
M3.3V
CEC3.3V
CEC1.8V SWM3.3V
SWM5V SCPU3.3V
86
6 7
L2513
L2514
L2515
L2516
SCPU3.3V
SCPU5V
Q2523 2SA1954
R2527 R2532
3.3K
10K
SCPUPOWER
Q2528
KRC102S
SUB3.3 V
SWM5V
M3.3V
2SA1954
Q2524
R2528 R2533
10K 3.3K
Q2529 U2506
BU4248F-TR
KRC102S
M3.3V
D5.2V
C2561
0.1/1 0
MUTE3.3V
Q2525
DAN202U
2
1
3
R2529 R2534
OPEN
0
Q2530
OPEN
SWM3.3V
Q2526 2SA1954
R2530
R2535
3.3K
10K
CPUPOWER
Q2531
KRC102S
REMOTE3.3V
Q2527 2SA1954
R2531 R2536
10K 3.3K
REMOTEPOWER
Q2532
KRC102S
REMOTE3.3V
8U-310052(8/12)
DIGITAL_UNIT
D.SUPPLY/RESET
SCHEMATIC DIAGRAMS (18/23)
8
PAGE 18
BLM21PG221
BLM21PG221
BLM21PG221
N2501
5P-BASE(SMW250)
D5.2V
1
D5.2V
2
DGN D
3
DGN D
4
11A121 MAINPOWER
A
5
SWM3.3V
M3.3V
DGND
MAINPOWER
M_RESET
BDOWN
B
D2502
RB521S
R2537 R2540
R2544
R2547
R2542
10K 100K OPEN
22K
OPEN
R2538
R2541 R2545 R2548
4.7K
100 OPEN 100
C2564
1/10
D2501
KDS160
C
SCPU5V
SCPU3.3V
TO SUB CPU
DGND
SUBBDOWN
SWM3.3V
REMOTE3.3V
SWM5V
DGND
TO CPU
CEC_POWER
CEC_POWER LEVEL CHG
D
DV_POWER2
DV_POWER2
DV_POWER1
DV_POWER1
DA_POWER
DA_POWER
REMOTEPOWER
REMOTEPOWER
CPUPOWER
CPUPOWER
SCPUPOWER
SCPUPOWER
NET_POWER
NET_POWER
D5V_POWER
D5V_POWER
TO
MUTE3.3V
E
REMOTE3.3 V
DIGITAL
SWM3.3V
M3.3V
CONNECT
SWM5V
D5V
DGND
F
s