Front_Front - Marantz NR1504 /U1B Service Manual

1 2 3
A
R4403 R4410
U 0 0
N/K/F 1R2 1R2
R4409 -
R4400 R4410 0
100
R4403 0
FIL2
R4401
OPEN 100
R4404 -
FIL1
B Q4400
OPEN
F4400 KTC1027Y
Vkk GND
1N4007 1N4007 R4402
6125FF500-R
OPEN
D4400 D4401 4R7(1)
Vkk R4415 R4416
C4405 4K7 4K7
100N(EB)-100V
C4408
100/63
C4411
C4406
1/50
100N(EB)-100V
C
A+7V
C4400
10/16(3*5)
C4401
10/16(3*5)
A-7V
M3.3V
D/MGND
SWM3.3V
A+7V FLDATA
A-7V FLCLK
D
NC(VAUXV) FLCE1
MICGND
MICGND
MICGND C4407 C4409
10/50
100N-K
MIC MIC
D/MGND
H/PGND
H/PGND H/PGND
H/PL H/PL
H/PR H/PR FLRST
FRONT_IRIN FIRIN
E
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
S.BY_GRN_LED S.BY_G_LED
NC(3DGRN)
NC(3DRED)
F P-DIRECTLED P_DIRECTLED
MICDET MICDET
H/PDET H/PDET
NC(DOORDET)
KEY1 KEY1
KEY2 KEY2
KEY3 KEY3
ISELA ISELA
ISELB ISELB
VSELA VSELA
VSELB VSELB
G D/MGND
NC(FOPT)
CP4400
CP4400
1.0-11S-40PW
FROM DIGITAL
Q4401
RT1P141C
FIRIN
H
LUG4402
R4406 R4412
4K7 100
J
B
3
C
A
R4407 R4413
4K7 100
R4408 R4414
4K7 100
K
B
3
C
A
R4405 R4411
4K7 100
L
M
GND LINE POWER+ LINE POWER- LINE
1 2 3
4 5 6
NR FRONT B`D
dts
AUTO HDMI DIGITAL ANALOG S.BACK
C4418
1/50
1 2 3 4 5
U4400
Q4403
C4421 2SC3052
R4428
100N-K
Q4405
2SC3052
100
R4419
100
C4422
100N-K
R4420 R4425
R4429 R4431
100K 39K 100K 39K
LED4400 M-DAX
BLBUF4V5K
RED
R4430
R4424
220
1K
P-DIRECT
LED4401
M-DAXLED
BLUE
BZ-BB43V4V
Q4402
RT1N141C
Q4404
P_DIRECTLED
RT1N141C
R4421 R4426
100 150
KEY1
RMC4400
R34ES9A
1504: SLEEP DISPLAY PURE DIRECT
DISPLAY PURE DIRECT
1604: ZONE2 ON/OFF
R4422 R4427
100 150
KEY2
1504:
STATUS PRESET CH+ M-DAX
1604: STATUS M-DAX
INTERNET RADIO
R4423
100
ISELB KEY3
1504: SOUND MODE
PRESET CH-
SOUND MODE
1604: ZONE2_SELECT
ISELA
VSELA POWERKEY
VSELB
STBY
ANALOG AUDIO DIGITAL1 AUDIO TMDS SIGNAL
4 5 6
7 8 9 10
AUDYSSEY TUNED STEREO RDS SLEEP
dB
MUTE
PCM Z2
DIG. ANA.
6 7 8 9 10 11 12 13 14 15 16
R4440 -
R4441 39K
R4442
10
R4435 100
R4436 100
R4437 100
MICDET
R4438 -
MIC
R4460
0
Q4407
RT1N441C
H/PDET
H/PL
H/PR
A-7V
A+7V
LED4402
WEJ3290W-R2H0-BA
(･ﾕ 3.0)
GRN RED
R4433 R4439
390 300
Q4406
RT1N141C
Q4408
RT1N141C
VIDEO SIGNAL COMPONENT(Y) SIGNAL
7 8 9 10
125
11 12 13
17
C4432
100N-K
C4433
100N-K
R4451
100
R4446
4 3
100
1
2
IC4400:A
C4436
R4445 AZ4580MTR
C4434
- 47K
100N-K
R4447 18K
R4448
-
C4437 82P-J
IC4400:B
AZ4580MTR
6
C4435
7
100N-K
8 5
CN4400
300MM/8P
SCHEMATIC DIAGRAMS (19/25)

FRONT_FRONT

11 12 13
14 15 16
FRONT 1/1
A
REF: 4400-4599
B
C
D
Mic, H/P B'D
R4453 R4454
560 2K2
E
ZD4406 C4446
ZJ5.1B
10/16(3*5)
JACK4400
R4456
100
PJ-323A-4
C4449
1/50(3*5)
MIC
C4452
100N-K
F
D4414
LBAS16HT1G
+7V
D4415
MICDET
LBAS16HT1G
MIC
MICGND
C4451 100N-K
H/PDET PLT4401
D4412 LBAS16HT1G
H/PL
D4413 LBAS16HT1G
H/PGND
H/PR
G
CP4403 C4443
20010WS-08 100P-J
R4444
C4444
0
100P-J
H/P
JACK4401
PJ-612A-9
USB B'D
H
CP4402
USBAS-00401BANB
CN4401
CN4401
570MM/5P
BD4402
5
BD221T
VBUS VBUS
BD4400
-DATA -DATA
J
0 R4457
+DATA +DATA
0
GND GND
L1_T4400
6 GND
-
BD4401 R4458
0
0
K
L
M
H
14 15 16