Marantz NA7004/N1B Service Manual page 41

1 2
+5V CPU
Q301
GND D1
D301
SHIELD
FLASHER IN RPM6936
IC32
s L504 OPEN R306 220 +5V CPU
R374 OPEN
R300 0 R307 220
R375 0
D302
ROUT GND Vcc
KDS160RTKP 1 2 3
KRA102S
Q304
GND D1
D303
RC-5
IN/OUT
JK32 GND D1
TO POWER PCB
CHGND8
POWER ON/OFF
DC PROTECT1
GND D1
P DOWN
GND POWER + POWER -
3
TO D-IN BLOCK
D IN
+6V CPU
+3 3V CPU
+18V OLED
GND D1
C337 0 01uF
C336 0 1uF
+18V
C335 1000P
+18V
GND
GND
OLED BOOT
OLED BOOT
ISEL B ISEL B
ISEL A ISEL A
EL RESET EL RESET
UART MISO
UART MISO
UART MOSI
UART MOSI
YOBI
YOBI
EL CS EL CS
EL CLK EL CLK
EL MOSI EL MOSI
EL MISO EL MISO
KEY3
KEY3
KEY2 KEY2
KEY1
KEY1
REMOTE
OLED CPU POWER
OLED CPU POWER
LED CONT5 LED CONT5
+3 3V CPU
LED CONT4 LED CONT4
LED CONT3
LED CONT3
LED CONT2
LED CONT2
LED CONT1 LED CONT1
GND
+3 3V
+5V
GND
DC PROTECT2
K LL R
GND +3 3V CPU
+3 3V CPU
R600
10K
RC IN
Q303
2SC2458
47K
R303
D313
+5V CPU
IC35PQ050DNA12PH
3 1
GND D1
4 GND 2
5
REMOTE
5VCPU ON/OFF
REMOTE
GND D1
RC IN
RC IN
OLED
MX RC-5
K LL R
* NA7004 MODEL SELECT
NA7004 R330 R332 R334 R336 R338 R331 R333 R335 R337 R339
1K 150 180 270 OPEN OPEN OPEN OPEN 0 OPEN
* RESION SELECT
R329 R341 R343 R345 R347 R340 R342 R344 R346 R348
OPEN OPEN OPEN OPEN OPEN 1K OPEN OPEN OPEN OPEN
E3/NA
E3/EU 1K 150 180 270 OPEN OPEN OPEN OPEN 0 OPEN
150 1K
K1/CN 1K 180 270 OPEN OPEN OPEN OPEN 0
1K OPEN OPEN OPEN OPEN OPEN
JP OPEN OPEN OPEN OPEN
RS232C
C340
220P
C341 0 1uF
C342 1000P
D308 OPEN
C313 0 01uF
+5V CPU
C314 0 1uF
C315 1000P
D307 OPEN
GND D1
C318 1000P
C317 0 1uF
C316 0 01uF
+12V A
C343
C319 220P
0 01uF
C344 0 1uF
C320 0 1uF
C345 1000P
C321 1000P
-12V A
GND A
4 5
TO TUNER BLOCK
TO CODEC BLOCK
DAB TUNER
LED CONT1
LED CONT2
LED CONT3
R317 OPEN
R318 OPEN
+3 3V CPU
R319
10K
5VCPU ON/OF
FAULT FLAG
108 0 06 05 04 0 02 01 00 99 98 97 96 95 94 93 92 91
ISEL A 109 P10/D8
HVBUS CTL1 110 P7/D7
PLAY/PAUS 111 P6/D6
NEXT 112 P5/D5
SUSPEND P4/D4
113
P114
114
ISEL B
115 P113
R322 33
RDS DAT 116 P112/RXD8
R320 117 P111
10K
118 P110/TXD8
119 P03/D3
R170 10K
USB RES D02/D2
120
PREVIOUS
121 D01/D1
STOP 122 P00/D0 IC31
P157
DAC RST 123
CVIR5F64169DFD
124 P156
125 P155/RXD6
126 P156/TXD6
R311 10K
LED CONT4
127 P153
LED CONT5
128 P152/RXD7
R312 10K 129 P151/CLK7
130 VSS
131 P150/TXD7
132 VCC
P107/AN7
133
KEY3 P106/AN6
134
KEY2
135 P105/AN5
KEY1 136 P104/AN4
P103/AN3
137
138 P102/AN2
139 P101/AN1
AVCC
AVSS
140
P97/RXD4
141 P100/AN0
142 VREF
143
144
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
47K
GND D1
R327 R499
R373 100K
100K
GND D1
GND D1
DC PROTECT1
P DOWN
POWER CONT
MODEL SEL R357 OPEN
R332 R334 R336 R338
0 1uF
C354
150 180 270 390
C353 10/50V
1 NC VCC 5
R341 R343 R345 R347
2 SUB
REGION SEL 150 180 270 390
4
3 GND VOUT
IC36
BD4730G
+3 3V CPU
R349 OPEN
C348
10/50V
C389 0 1uF
IC34 ST3232ECDR
C349
R350
C1+
VCC
0 1uF 10K
V+
GND
L308
R352 1K C1
T1OUT
0
Q310
L309 C351
R353 232CPOWER
1K C2+ 232CPOWER
R1IN
0
0 1uF
KRC102S
C2
R1OUT
C350
V
T1IN
0 1uF
R407 1K T2OU
T2IN
R354
R2IN
R2OUT
1K
GND D1
41
6 7
TO DSP BLOCK
4683
DSP
DAC
+3 3V CPU
R395
4 7K
R396
4 7K
232CPOWER
8 7 6
IC37
CVIR1EX24256ASAS0A
1 2 3
90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73
72
71
P45/A21
P46/A22 70
P47/A23 69
P44/A20D8
P125
68
P126
67
P127 66
R392 33
P50/WR0/WR/CE 65 CE M
P51/WR1/BC1 64
10K
R52/RD 63
R494
P53/BCLK 62
P130
61
R397
33
P131 60
R391 10K
VCC 59 R398 10K
P132
58
VSS 57
P133 56
P54/HLDA 55
R321 10K
JTAG
EPM M
P55/EPM 54
R390
4 7K
ALE 53
R389
4 7K
RDY 52
P134/TSTXD2 51
P135/ISRXD2 50 OLED CPU POWER
P136/ISCLK2 49 OLED BOOT
R388 10K
P137
48 R387 10K
P60/CTS0
47
P61/CLK0 46
P62/RXD0 45
P63/TXD0
44
R386 33 BUSY M/STEREO
P64 43
P67/TXD1 R385 33
P65/CLK1 42 SCLK M
P70/TXD2
BUSY M/STEREO
VSS
41
R384
33 RXD/232CMI
P66/RXD1 40
VCC 39
R383 33
38 TXD/232CMO
37
+3 3V D1
R372
100K
R367
R381 OPEN
OPEN
R382 OPEN
X302 OPEN
GND D1
X202
+3 3V CPU
10K
R601
+3 3V CPU
CN24
RESET
+3 3V CPU
TXD CO
RXD CO
GND
CNVSS CO
EPM CO
CE CO
NSD CO
BUSY CO
SCLK CO
OPEN
S100
GND D1
SCHEMATIC DIAGRAMS (3/12)
8
TO ETHER BLOCK
CN32
22 20 18 16 14 12 10 8 6 4 2
23 21 19 17 15 13 11 9 7 5 3 1
GND D1
A
2
VBUS CONT
B
5
4
DAC SDA
DAC SCL
DAC F MUTE
AUTO STB
VBUS MONI
DAB-P CONT
T MUTE
TUNED
C
E POWER CONT
OPT COAX
E TXDM EO
E RXDMOEI
D
ETHER
C375 0 1
C376 0 01
C377 1000P
GND D1 CHGND10
E
s F