Schematic Diagrams - Denon Home 250 Service Manual

SCHEMATIC DIAGRAMS

SCH01 MAIN DSP
A0
(PAGE 1)
A1
(PAGE 1)
A2
TO 2A
A3
TO 3A
A4
TO 4A
0A TO A0
A5 TO 5A
A6
TO 6A
A7
TO 7A
FROM SUN MOD ULE
(PAGE 4)
BOOT _FLASH /I2C
R1015
10K
GND
SN74CBT LV3257PW R
GND
GND LINE POWER+ LINE POWER- LINE ANALOG AUDIO
D 1001
TO D SP
R1001 10 R1002 49.9K/F
T EMP_COM
R1050
TO 0A
100K
TO D SP
RESET _D AEN
R1003
TO 1A
100K
GND
73
R1008 33 SCLK3(SC20)
PLD _BCLK
R1009 33 SDIN3(SRD2)
PLD _D AT A
R1010 33
TO PLD LRCK3(SC21)
PLD _LRCK
R1011 33 SCLK4(SCK2)
VOICE_BCLK
(PAGE 8)
R1063 33
VOICE_D AT A SDIO4(STD2)
33
R1064
VOICE_LRCK LRCK4(SC22)
SCLK12(SCK3)
R1069 33
FROM AD C SDIN2(STD3)
AUX _D SP_BCLK
R1070 33
LRCK12(SC32)
AUX _D SP_D AT A
(PAGE 3) R1071 33
AUX _D SP_LRCK
SDIN1(SRD3)
CVDD
CGND
RGND
RVDD
SPI_SCK SCK
R1065 33
TO D SP
T EMP_COM TIO1/NTC
R1066 33
SPI_MISO MISO
(PAGE 1)
R1067 33
SPI_MOSI MOSI
R1012 10K
R1017
R1013 10K
R1014 10K
OPEN
GND
33
R1018
R1019 33
C1029
10V/0.1uF
IC1002
S VCC
1B1 OB
1B2 4B1
1A 4B2
1A
TO D SP
2B1 4A RESET _D AEN
(PAGE 1)
2B2
3B1
A8
D 2-D AE_RST N
TO SUN MOD ULE
2A 3B2 I2C1_SD A
(PAGE 4)
I2C1_SCL
GND 3A
DIGITAL AUDIO STBY POWER
DSP
2 1
3
50V/12pF
R1026 + 1.8V_D
0 C1028
+ 3.3V_D
5A
50V/12pF
C1027
220R/2A
L1002
SPI_MISO
220R/2A
L1003
C1022 L1001
10V/2.2uF
220R/2A
C1023
C1021
C1025
10V/2.2uF
10V/2.2uF
10V/0.1uF
C1024
C1026
10V/0.1uF 10V/0.1uF
R1051
PWM0
R1052
PWM1
R1053
PWM2
R1054
PWM3
PWMGND
R1055
PWM4
R1056
PWM5
R1057
PWM6
R1058
IC1001
PWM7
R1059
D 2-92683-QR-T PWM8
R1060
PWM9
R1061
PWM10
R1062
PWM11
CVDD
CGND
RGND
RVDD
PROTECT2
R1077
10K
C1011 R1021 C1013
C1009
10V/0.1uF 10V/0.1uF 10K
C1010
C1008
C1012
R1022
10V/2.2uF
10V/2.2uF
10K
B2
TO 2B
B3 B4
TO 3B TO 4B
TO A1
TO 8A
9
+ 3.3V_D
IC1003
W 25X 40CLSNIG
TO D SP
CS
CS VCC
(PAGE 1)
TO A5
SO HOLD
4A
TO A4
WP SPI_SCK
SCK
6A
TO A6
GND SPI_MOSI
SI
GND
B0
33
CH 1A
33
CH 1B TO 0B
33
CH 2A
TO D AMP
33
CH 2B
(PAGE 2)
B1
33
CH 3A
33
CH 3B TO 1B
33
CH 4A
33
CH 4B
OPEN
OPEN
OPEN
OPEN
A9
R1023
OVRT 1N
0 TO D AMP
(PAGE 2)
R1024
SD 1N
TO 9A
0
+ 3.3V_D
T 1001T 1002
GND
SPI_MISO MISO
CS
CS
VCC
SPI_MOSI MOSI
GND
SPI_SCK SCK
T 1003T 1004
GND