Denon HOME 250 Service Manual

SCHEMATIC DIAGRAMS
SCH01 MAIN DSP
STBY POWER ANALOG AUDIO DIGITAL AUDIO GND LINE POWER- LINE POWER+ LINE
SC L K 3 (SC20)
SD IN3(SRD 2 )
LR C K 3 (SC21)
SC L K 4 (SCK2)
SD IO4(ST D2)
LR C K 4 (SC22)
SC L K 12( SCK3)
SD IN2(ST D 3)
LR C K 12( SC32)
SD IN1(SRD 3 )
CVDD
CGND
RGND
RV D D
SC K
TIO 1/NTC
MISO
MOSI
SD A1
SC L 1
SP D IFR X 0
SP D IFT X TEST
IRQA
IRQB IRQC IRQD
CVDD
CGND RGND
RV D D
PRO T E C T 3
PRO T E C T 4
PRO T E C T 5
PRO T E C T 6 /nMUTE
PRO T E C T 7 /nOVRT
PRO T E C T 2
RV D D
RGND
CGND
CVDD
PWM11
PWM10
PWM9
PWM8
PWM7
PWM6
PWM5
PWM4
PWMGND
PWM3
PWM2
PWM1
PWM0
PWMVD D
PLLAGND
XTALI
XTALO
PLLAV D D
nSS
RV D D
RGND CGND
CVDD
SC K 1 / M C LK
nR ST O U T
nR ESET
TIO 0/PSSYNC
PRO T E C T 1
PRO T E C T 0
SD A0/T E M PREF SC L 0 /T EMP
S
1B1 OB
1B2
4B1
1A 4B2
2B1
4A
2B2
3B1
2A 3B2
GND
3A
VCC
CS
SO
W P
GND
SI
SC K
HO LD
VCC
TO PLD
TO D SP
(PAGE 8)
(PAGE 1)
TO D SP
(PAGE 1)
TO SUN MODULE
(PAGE 4)
TO D AMP
(PAGE 2)
TO D SP
(PAGE 1)
TO D SP
(PAGE 1)
TO D SP
(PAGE 1)
TO D AMP
(PAGE 2)
DSP
FROM SUN MODULE
(PAGE 4)
73
GND
SCK
GND
MOSI
VCC
CS
MISO
GND
1.00mm FFC
MP : OPEN
FROM AD C
(PAGE 3)
123456789
101112131415161718
19 20 21 22 23 24 25 26 27 28 29
30 31 32
33 34
35 36
37 38 39 40 41 42 43 44 45 46 47 4 8 4
9 50 51 52 53 54
55 56 57 58
59 60 61 62 63 64 65
67
66 68 69 70 71 72
IC1001
D2-92683-QR-T
C1006
10V/2 .2uF
C1004
10V/2 .2uF
C1007
10V/0 .1uF
C1005
10V/0 .1uF
C1010
10V/2 .2uF
C1008
10V/2 .2uF
C1011
10V/0 .1uF
C1009
10V/0 .1uF
C1015
10V/2 .2uF
C1017
10V/2 .2uF
C1014
10V/0 .1uF
C1016
10V/0 .1uF
C1023
10V/2 .2uF
C1025
10V/2 .2uF
C1024
10V/0 .1uF
C1026
10V/0 .1uF
R1008
33
R1009
33
R1010
33
R1011
33
16151413121110
9
8 7 6 5 4 3 2 1
IC1002
SN 74C B T L V 3257P W R
C1029
10V/0 .1uF
R1015
10K
R1012
10K
R1013
10K
R1014
10K
R1018
33
R1019
33
L1001
220R/ 2 A
C1019
6.3V/220uF
C1020
10V/0 .1uF
C1018
6.3V/220uF
C1022
10V/2 .2uF
C1021
10V/0 .1uF
R1007
10K
R1006
10K
C1003
C1002
R1004
10K
R1005
47
C1040
R1002
49.9K /F
R1050
100K
C1001
25V/0 .01uF
R1001
10
R1003
100K
X1001
24.576MH z
R1025
1M
C1027
50V/12p F
C1028
50V/12p F
R1026
0
R1017
OPEN
R1021
10K
R1023
0
C1013
R1022
10K
C1012
R1024
0
R1020
33
C1041
10V/0 .1uF
R1030
10K
R1031
10K
R1032
10K
R1027
10K
R1028
10K
R1029
10K
R1051
33
R1052
33
R1053
33
R1054
33
R1055
33
R1056
33
R1057
33
R1058
33
R1059
OPEN
R1060
OPEN
R1061
OPEN
R1062
OPEN
L1002
220R/ 2 A
L1003
220R/ 2 A
3
12
D1001
R1063
33
R1064
33
R1065
33
R1066
33
R1067
33
7
6
5
4
3
2
1
CN1001
T1003T1004
T1001T1002
8765
4 3 2 1
IC1003
W 25X 40C LSNIG
7
6
5
4
3
2
1
CN1002
R1069
33
R1070
33
R1071
33
R1072
33
T1011
T1012 T1013
R1075
10K
R1076
10K
R1077
10K
PLD _B CL K
V
OICE_BCLK
PLD _D ATA
PLD _L RCK
VOICE_DATA
VOICE_LR C K
SP I_SC K
TEMP _ C O M
SP I_MISO
SP I_MO S I
D2-D AE _ RSTN
RE SET_DAEN
I2C1_SDA
I2C1_SCL
BOOT_FL A SH /I2 C
SD _WARN
PDN_AMPN
OVTMP_WARN
CH1A
CH1B
CH2A
CH2B
CH3A
CH3B
CH4A
CH4B
RE SET_DAEN
TEMP _ C O M
CS
+ 3.3 V _ D
+ 1.8 V _ D
OVRT 1N
SD 1N
+ 3.3 V _ D
CS
SP I_MISO
SP I_SC K
SP I_MO S I
GND
GND
GND
GND
SP I_MISO
CS
SP I_MO S I
SP I_SC K
GND
+ 3.3 V _ D
AUX_DSP_LR CK
AUX_DSP_DATA
AUX_DSP_BCLK
A0
TO 0A
0A
TO A0
A1
TO 1A
1A
TO A1
A2
TO 2A
A3
TO 3A
A4
TO 4A
4A
TO A4
A5
TO 5A
5A
TO A5
A6
TO 6A
6A
TO A6
A7
TO 7A
A8
TO 8A
A9
TO 9A
B0
TO 0B
B1
TO 1B
B2
TO 2B
B3
TO 3B
B4
TO 4B
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
9

Denon HOME 250 Specifications

General

Product color	White
Volume control	Touch
Recommended usage	Tablet / Smartphone
Remotely operated	Yes
Remote control type	Wireless
Speaker type	-
Woofer diameter	100 mm
Tweeter diameter	19 mm
Number of drivers	4
Speaker placement	Tabletop/bookshelf
Audio output channels	2.0 channels
Number of tweeter drivers	2
RMS rated power	- W
Amplifier class	D
Connectivity technology	Wired & Wireless
Ethernet LAN (RJ-45) ports	1
Cables included	AC
Package depth	192 mm
Package width	385 mm
Package height	323 mm
Package weight	4800 g
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz

Weight and Dimensions

Depth	120 mm
Width	295 mm
Height	216 mm
Weight	3700 g