Sch21_Front - Marantz NR1606/U1B Service Manual

1 2 3
A
R4403 R4410
U 0 0
N/K/F 1R2 1R2
R4409 OPEN
R4400 R4410 0
100
C4410
B
OPEN
R4403 0
FIL2
R4401
OPEN 100
R4404 OPEN
FIL1
D4400 D4401
R4402
OPEN
1N4007 1N4007 4R7(1)
Vkk GND
OPEN
F500mAL/125V
Vkk R4415 R4416
4K7 4K7
C4405
100N(EB)-100V
C4404 ZD4400
10/50 ZJ6.8B
C4408 C4411
C4406
C 100/63 1/50
100N(EB)-100V
A+7V
C4400
10/16(3*5)
CP4400
C4401
10/16(3*5)
A-7V
M3.3V
D/MGND
D
SWM3.3V
A+7V FLDATA
A-7V FLCLK
NC(VAUXV) FLCE1
MICGND
MICGND
C4407 C4409
MICGND
10/50 100N-K
MIC MIC
D/MGND
H/PGND
H/PGND H/PGND
E
H/PL H/PL
H/PR H/PR FLRST
FRONT_IRIN FIRIN
SWM5V(MZ)
POWERKEY POWERKEY
S.BY_RED_LED S.BY_R_LED
FLCLK FLCLK
FLDATA FLDATA
FLCE1 FLCE1
M-DAX_LED M-DAXLED
FLRST FLRST
F S.BY_GRN_LED S.BY_G_LED
NC(3DGRN)
NC(3DRED)
P-DIRECTLED P_DIRECTLED
MICDET MICDET
H/PDET H/PDET
NC(DOORDET)
KEY1 KEY1
KEY2 KEY2
KEY3 KEY3
ISELA ISELA
ISELB ISELB
G
VSELA VSELA
VSELB VSELB
D/MGND
NC(FOPT)
CP4400
1.0-11S-40PW
FROM
DIGITAL_CNT
R4418
100
Q4401
H TO N1017
RT1P141C
FIRIN
R4417
C4419
OPEN 100/10
R4406
J
4K7
R4412 100
C4412
470P-J
C4413
470P-J
R4413 100
R4407
4K7
R4408
K
4K7
R4414 100
C4414
470P-J
C4415
470P-J
R4411 100
R4405
4K7
L
M
GND LINE POWER+ LINE POWER- LINE ANALOG AUDIO
1 2 3
4 5 6
NR1606 FRONT B`D
C4418
1/50
R4419 Q4403 R4428
Q4405
C4421
100 2SC3052 2SC3052
100
100N-K
C4422
100N-K R4425 D4404 R4429 D4405
D4402 R4420 D4403
OPEN OPEN
100K 39K 100K
OPEN OPEN
R4430
220
M-DAX
LED4400
RED
BL-BUF4V5K-1-HS-AV
LED4401 C4423 R4432
BZ-BB43V4V
R4424 OPEN OPEN
1K
M-DAXLED
Q4402
RT1N141C
Q4404
P_DIRECTLED
RT1N141C
R4421 R4426
100 150
KEY1
ZONE2
DIMMER PURE DIRECT
ON/OFF
R4422 R4427
100 150
KEY2
C4420
100N-K
INTERNET
STATUS M-DAX
RADIO
R4423
100
ISELB KEY3
C4453
10N-K
C4454
10N-K
SOUND ZONE2
MODE SOURCE
ISELA
VSELA POWERKEY
C4416
10N-K
C4417
10N-K
VSELB
STBY
DIGITAL AUDIO TMDS SIGNAL VIDEO SIGANL COMPONENT (Y)
4 5 6
7 8 9 10
R4440 OPEN
R4441 39K
C4432
100N-K
C4433
R4431
100N-K
39K
R4442 10
R4435 100
R4436 100
R4437 100
MICDET
R4434
10K
R4438 OPEN
R4460 0
MIC
C4424
10N-K
Q4407
RT1N441C
H/PDET
H/PL
H/PR
A-7V
A+7V
LED4402
WEJ3290W-R2H0-BA
(¥Õ 3.0)
GRN RED
R4433
R4439
390 300
Q4406
RT1N141C
Q4408
RT1N141C
7 8 9 10
125
11 12 13
R4451
100
R4446
100
ZD4404
C4439
C4434 ZJ5.1B R4445
C4436
18K 100P-J
R4447
100N-K OPEN 47K
OPEN
R4448
ZD4405
ZJ5.1B C4437 82P-J
C4438
100/10(6.3*5)
C4435
100N-K
+7V
MICDET
MIC
MICGND
H/PDET
H/PL
H/PGND
H/PR
CN4400 CP4403
300MM/8P
20010WS-08
CP4402
USB_YS-UA-002-13
VBUS
-DATA
+DATA
GND
SCHEMATIC DIAGRAMS (21/26)

SCH21_FRONT

11 12 13
14 15 16
A
B
C
D
Mic, H/P B'D
E
R4453 R4454
560 2K2
C4446
ZD4406
ZJ5.1B 10/16(3*5)
JACK4400
R4456
PJ-323A-4
100
5
C4449 4
1/50(3*5)
2
MIC
1
F
C4452
100N-K
D4414
LBAS16HT1G
D4415
LBAS16HT1G
C4451 100N-K
LBAS16HT1G
D4412
G
D4413 LBAS16HT1G
C4443
1N-J
R4444
C4444 0
1N-J
H/P
H
USB B'D
CN4401
CN4401
540MM/6P
BD4402
VBUS J
CB05YTYH221
VBUS
BD4400
-DATA
0
+DATA
GND
GND
TO N1008
BD4401
0
K
L
s
M
14 15 16