Denon HOME 250 Service Manual

SCH02 MAIN DAMP
STBY POWER ANALOG AUDIO DIGITAL AUDIO GND LINE POWER- LINE POWER+ LINE
BST _ C
GV DD_ B
OTW
SD
PW M_A
RE SET _A B
PW M_B
OC_A D J
GND
AGND
VREG
M3
M2
M1
PW M_C
RE SET _C D
PW M_D
VDD
GV DD_ C
GV DD_ A
BST _ A
PV DD_ A
OUT_A
GND_A
GND_B
OUT_B
PV DD_ B
BST _ B
PV DD_ C
OUT_C
DGND _ C
DGND _ D
OUT_D
PV DD_ D
BST _ D
GV DD_ D
NC
NC
NC
PV DD_ A
NC
NC
NC
PV DD_ D
BST _ C
GV DD_ B
OTW
SD
PW M_A
RE SET _A B
PW M_B
OC_A D J
GND
AGND
VREG
M3
M2
M1
PW M_C
RE SET _C D
PW M_D
VDD
GV DD_ C
GV DD_ A
BST _ A
PV DD_ A
OUT_A
GND_A
GND_B
OUT_B
PV DD_ B
BST _ B
PV DD_ C
OUT_C
DGND _ C
DGND _ D
OUT_D
PV DD_ D
BST _ D
GV DD_ D
NC
NC
NC
PV DD_ A
NC
NC
NC
PV DD_ D
A C
GND
B Y
VCC
FROM SU N MOD ULE
(PAGE 4)
FROM SU N MOD ULE
(PAGE 4)
FROM D SP
(PAGE 1)
FROM D SP
(PAGE 1)
FROM D SP
(PAGE 1)
TO D SP
(PAGE 1)
DAMP
RCH_T W +
RCH_T W -
RCH_W O +
RCH_W O -
LCH_T W +
LCH_T W -
LCH_W O+
LCH_W O-
C2003
50V/1 uF
C2004
16V/10u F
C2008
50V/0 .1 uF
C2029
50V/0 .033u F
C2026
50V/0 .033u F
C2025
50V/0 .033u F
C2024
50V/0 .033u F
C2030
50V/0 .68u F
C2032
50V/0 .1 uF
C2031
50V/0 .1 uF
R2027
3.3
C2034
50V/0 .01u F
R2026
3.3
C2033
50V/0 .01u F
C2016
50V/0 .1 uF
C2017
50V/0 .1 uF
R2025
3.3C2018
50V/0 .01u F
R2024
3.3
C2019
50V/0 .01u F
C2012
50V/0 .1 uF
C2005
25V/470u F
R2013
10
C2036
50V/1000p F
C2035
50V/1000p F
C2021
50V/1000p F
C2020
50V/
1000pF
C2006
50V/0 .01u F
R2014
3.3
C2028
50V/0 .1 uF
C2027
50V/0 .1 uF
C2022
50V/0 .1 uF
C2023
50V/0 .1 uF
C2007
50V/0 .1 uF
R2012
10
R2011
OPE N
R2010
OPE N
44434241403938373635343332313029282726252423
22 21 20 19 18 17 16 15 14 13 12 1 1 1 0
9 8 7 6 5 4 3 2 1
IC2001
TAS 5342A DDVR
C2011
50V/0 .1 uF
R2015
10K
R2016
10K
R2017
27K
C2009
50V/0 .1 uF
C2010
50V/0 .1 uF
R2020
0
R2018
10K
R2019
10K
R2021
10
R2022
10
C2014
50V/0 .01u F
R2023
3.3
C2015
50V/0 .68u F
C2039
50V/0 .1 uF
C2041
50V/0 .033u F
C2058
50V/0 .033u F
C2057
50V/0 .033u F
C2068
50V/0 .033u F
C2061
50V/0 .68u F
C2062
50V/0 .1 uF
C2063
50V/0 .1 uF
R2043
3.3C2064
50V/0 .01u F
R2042
3.3 C 2065
50
V/0 .01u F
C2049
50V/0 .1 uF
C2050
50V/0 .1 uF
R2041
3.3
C2052
50V/0 .01u F
R2040
3.3
C2051
50V/0 .01u F
C2045
50V/0 .1 uF
R2029
10
C2067
50V/1000p F
C2066
50V/1000p F
C2054
50V/1000p F
C2053
50V/1000p F
C2037
50V/0 .01u F
R2030
3.3
C2060
50V/0 .1 uF
C2059
50V/0 .1 uF
C2056
50V/0 .1 uF
C2055
50V/0 .1 uF
C2040
50V/0 .1 uF
R2028
10
44434241403938373635343332313029282726252423
22 21 20 19 18 17 16 15 14 13 12 1 1 1 0
9 8 7 6 5 4 3 2 1
IC2002
TAS 5342A DDVR
C2044
50V/0 .1 uF
R2031
10K
R2032
10K
R2033
27K
C2042
50V/0 .1 uF
C2043
50V/0 .1 uF
R2036
0
R2034
10K
R2035
10K
R2037
10
R2038
10
C2047
50V/0 .01u F
R2039
3.3
C2048
50V/0 .68u F
654
3 2 1
IC2004
SN 74LVC1
G11D BV R
C2069
10V/0 .1 uF
R2007
10K
R2006
0
C2070
10V/0 .1 uF
R2008
220K/F
R2009
34.8K/F
3
VD D
GND
RE SET
SE NS E NC
2
4
5 1
IC2005
TPS 3803-01D CK R
C2013
25V/470u F
C2038
25V/470u F
C2046
25V/470u F
R2044
47K
L2001
L2002
L2003
L2004
R2001
120K
R2004
47K
C1998
50V/1 uF
C2001
50V/0 .1 uF
R2002
1K
R2003
100K
C2002
50V/0 .1 uF
C1999
50V/0 .01u F
Q2001
MMBT3904
4
NC
VO U T
GND
CO N
VIN
2
5
1 3
1
2
3
45
IC2003
NJW 4184U2-12A
R2050
100K
R2051
30K
4321
CN 2001
54321
CN 2002
1
S
2
3
4
G
5
D
6
7
8
IC2006
RS 1E260A TTB 1
PV D D
PV DD_ AMP
PS W _ AMP
PV DD_ AMP
IPVDD_12V 0
GND
IPVDD_12V 0
PV DD_ AMP
IPVDD_12V 0
CH 1A
CH 1B
CH 2A
CH 2B
IPVDD_12V 0
PV DD_ AMP
+ 3.3V_D
IPVDD_12V 0
PV DD_ AMP
IPVDD_12V 0
CH
3A
CH 3B
CH 4A
CH 4B
IPVDD_12V 0
PV DD_ AMP
+ 3.3V_D
AMP_ M UTEN
PD N_ AMPN
+ 3.3V_D
PV DD_ AMP
SD 1 N
OVR T 1N
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND GND GND
GND GND
9A
TO A9
0B
TO B0
1B
TO B1
2B
TO B2
B5
TO 5B
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
10

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