Marantz NR1601 Service Manual page 83

A B C
1
D3.3V
19 18 17 16 15 14 13 12 11 10 9 8 7
L2501
BLM21PG221 20 PVIN VOUT
21 PVIN
VOUT
2 U2501
22 NC NC
L2502 23 NC
EX3AV NC
BLM21PG221
24 NC NC(SW)
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
3
D1.8V
19 18 17 16 15 14 13 12 11 10 9 8 7
L2503
4
BLM21PG221 20 PVIN VOUT
21 PVIN
VOUT
22 NC U2502 NC
L2504 23 NC
EX3AV NC
BLM21PG221
24 NC NC(SW)
25 PGND
NC(SW)
26 27 28 29 30 31 32 33 34 35 36 37 38
R2505
OPEN
C2508 R2508
5
C2511
OPEN OPEN
OPEN
D1.2V
19 18 17 16 15 14 13 12 11 10 9 8 7
6
L2505
BLM21PG221 20 PVIN VOUT
21 PVIN VOUT
U2503
22 NC NC
L2506
23 NC EX3AV NC
BLM21PG221
24 NC
NC(SW)
25 PGND NC(SW)
26 27 28 29 30 31 32 33 34 35 36 37 38
DA_POWER
R2506
7
OPEN
C2509 R2509
C2512
OPEN OPEN
OPEN
8
D5V
9
DGND
D3.3V NET3.3V DA3.3V
DGND
D1.8V NET1.8V
10
DGND
A B C
D E F
D3.3V
L2507
D5V
6 OPEN
2.57A 430mA D3.3V
5
Q2507
4 6
4 5
KRA104S
L2508
3
OPEN
2
1
3 1
2
R2519
Q2515
470K
D1.8V FDC608PZ
D1.8V
500mA
Q2508
4 5 6
NET_POWER KRA104S
R2549
1
3 2
OPEN R2520
470K Q2516
FDC608PZ
1.04A D3.3V
Q2509
R2550
5 6
L2509 4
KRA104S
4.7K
6 OPEN
2.42A
5
4
DA_POWER 3 2 1
L2510
3 R2521
OPEN Q2536 Q2517
470K
2
KRC102S FDC608PZ
1
Q2537
KRC104S
160mA D5V
Q2510
R2551
5 6
4
KRA104S
4.7K
DV_POWER1 3 2 1
Q2549 Q2518
KRC102S FDC608PZ
Q2550
200mA D3.3V KRC104S
Q2511
6
4 5
KRA104S
L2511
3 1
2
R2523
6 OPEN
820mA Q2519
470K
5
FDC608PZ
4
L2512
3
D1.8V
OPEN 1.2A
2
Q2512
1 R2552
4 5 6
KRA104S
4.7K
DV_POWER2 3 1
2
R2524
Q2540
470K Q2520
KRC102S
FDC608PZ
Q2541
KRC104S
0.9A D3.3V
Q2513
R2553
4 5 6
KRA104S
4.7K
1
CEC_POWER 3 2
R2525
Q2542 470K Q2521
KRC102S FDC608PZ
Q2543
720mA D1.8V KRC104S
4 5 6
Q2514
KRA104S
3 2 1
R2526
Q2522
470K
FDC608PZ
DV5V
DV3.3V
DA1.2V DV1.8V
D E F
G H I
500mA
D5V
TO
430mA
NET3.3V
500mA TCC8600 U2504
NET1.8V
PQ033DNA1ZPH
DGND
VOUT
VIN 3
1
NC
4
ON/OFF GND
2 5
SCPUPOWER
1.04A
TO
DA3.3V
820mA
DA1.2V AUDIO
DGND
PLD
U2505
PQ033DNA1ZPH
VOUT
VIN 3
1
NC
4
ON/OFF GND
2 5
160mA
DV5V
200mA
DV3.3V
TO
1.2A
DV1.8V
I/P
DGND
CPUPOWER
0.9A
CEC3.3 V
REMOTEPOWER
TO
720mA
CEC1.8 V
HDMI
DGND
RX
CEC3.3V M3.3V
CEC1.8 V SWM3.3V
SWM5V SCPU3.3V REMOTE3.3V
G H I
83
J K L M
L2513 BLM21PG221
L2514 BLM21PG221
L2515 BLM21PG221
L2516 11A121
SCPU3.3V
SCPU5V
Q2523 2SA1954
R2527 R2532
10K 3.3K
Q2528
KRC102S
SUB3.3V
SWM5V
M3.3V
2SA1954
Q2524
R2537
10K
R2528 R2533
10K 3.3K
R2538
Q2529 U2506
4.7K
BU4248F-TR
KRC102S
C2564
1/10
M3.3V
D2501
KDS160
D5.2V
C2561
0.1/10
MUTE3.3V
Q2525
DAN202 U
3
1
2
R2529 R2534
0 OPEN
Q2530
OPEN
SWM3.3V
Q2526 2SA1954
R2530 R2535
10K 3.3K
Q2531
KRC102S
REMOTE3.3V
2SA1954
Q2527
R2531 R2536
10K 3.3K
Q2532
KRC102S
D.SUPPLY/RESET
HDMI B'D(8/12)
8U-310052 DIGITAL_UNIT
SCHEMATIC DIAGRAMS (19/24)
J
K L M
N O
N2501
1
5P-BASE(SMW250)
D5.2V
1
D5.2V
2
DGND
3
DGND
4
MAINPOWER
5
2
SWM3.3V
M3.3V
DGND
MAINPOWER
M_RESET
BDOWN
3
D2502
RB521S
R2540 R2544
R2547
R2542
100K OPEN
22K
OPEN
4
R2541 R2545 R2548
100 OPEN 100
5
SCPU5V
SCPU3.3V
TO SUB CPU
DGND
SUBBDOWN
6
SWM3.3V
REMOTE3.3V
SWM5V
DGND
TO CPU
7
CEC_POWER
CEC_POWER
LEVEL CHG
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
8
MUTE3.3V
TO
REMOTE3.3 V 9
SWM3.3V DIGITAL
M3.3V
CONNECT
SWM5V
D5V
DGND
10
N O