Denon AVR-X250BT, Service Manual

Page: 9 / 82

SCHEMATIC DIAGRAMS
SCH01_MCU
STBY POWER ANALOG VIDEO TMDS SIGNAL AUDIO SIGNAL DIGITAL AUDIO GND LINE POWER- LINE POWER+ LINE
MCU+3V3
MCU+3V3
SWM3V3
MCU+3V3
SWM3V3
TO FRONT B'D
*OPTION
FOR UPDATE (AVR-X250BT: ONLY USE)
USE ONLY DEBUG
TO
M
AI
N
B'
D
TO
IN
PU
T/
VO
LU
M
E
PA
RT
TO
D
SP
P
AR
T
FR
O
M
/T
O
H
DM
I O
SD
P
AR
T
107.VSS_2
TO DSP PART
MCU
MCU PART
*OPTION TABLE
1.
RE
SE
T
2.
M
CU
+
3V
3
3.T
X
4.
RX
5.
DGN
D
7.
BO
OT
6.
N.
C
106.PCAP_2
105.DEBUG/JTMS
104.MN864788_HAINT0
103.THERMALDET_A
102.UPDATE_RX
101.UPDATE_TX
VFD_DATA
HINSEL_B
VFD_CLK
VFD_CE
HINSEL_C
VDD_9
VSS_9
VOL_DOWN
VOL_UP
CPU_POWER
MAIN_POWER
AS
O
_D
ET
THERMALDET_B
PWR_FAIL_PROTECT
HDMI_SCL
VDD_8
VSS_8
HDMI_SDA
HDMI_INT2
HDMI_INT
CEC_OUT
76.788_OSD_SPI_MOSI
77.DA_POWER
USB_POWER1
75.788_OSD_SPI_MISO
74.788_OSD_SPI_CLK
VDD
_1
VSS
_1
73.788_OSD_SPI_CS
HD
MI_I
NT
_T
X
AD
V7623_
RS
T
OS
D_
HO
LD
O
SD
_C
LK
O
SD
_C
S
O
SD
_M
O
SI
O
SD
_M
IS
O
DV
5_
PO
W
ER
VDD
_7
VSS
_7
DS
P_
RS
T
DI
R_
M
O
SI
BO
OT
1
DI
R_
CL
K
DI
R_
M
IS
O
HP
D5
HP
D4
DS
P_
M
O
SI
DS
P_
M
IS
O
D
SP
_C
LK
DS
P_
CS
VDD
_4
VSS
_4
D
SP
_M
O
D
E_
SE
L
VDD
_6
VSS
_6
US
B_
TX
HD
M
I_
SW
CE
C_
PO
W
ER
D
SP
_P
CP
_B
SY
DS
P_
SP
C1_I
RQ
DI
R_
CE
DI
R_
RS
T
CO
DE
C_
M
UT
E
33.VDDA
34.CP_SCL
35.USB_RST
36.USB_RX
VREF+
VREF-
VSSA
OPTION
KEY3
KEY2
KEY1
RESET
XTAL_OUT
XTAL_IN
MAIN_VOL_CLK
MAIN_VOL_DATA
HPD3
USB_EN
CEC_POWER2
VDD_5
VSS_5
CP_SDA
CVBS_SW5
CVBS_SW2
HI-B_RELY
ISEL_B
ISEL_A
OSC32_OUT
OSC32_IN
MIC_DET
VBAT
5.C/S_RLY
4.FRONT_RLY
3.POWER_DOWN
2.USB_DAC_MUTE
1.DC_PROTECT
108.VDD
DE
BU
G
DE
BU
G
M
N864788_
HI
NT
M
N864788_
HA
IN
T1
VF
D_
RS
T
H/
P_
RL
Y
US
B_
PO
W
ER
2
W
AK
E_
UP
H/
P_
DE
T
GR
N_
LE
D
VSS
_1
0
VDD
_1
0
M
N
864788_
SC
L
RE
M
O
TE
_I
N
M
N
864788_
SD
A
EE
PR
O
M
_S
CL
EE
PR
O
M
_S
DA
DA
C_
M
UT
E
TU
NE
R_
SC
LK
TU
NE
R_
SD
IO
VSS
_1
1
VDD
_1
1
M
N
864788_
RS
T
DE
BU
G
DE
BU
G
SW
_M
U
TE
CE
C_
CT
L
CP
_R
ES
ET
BO
OT
0
TU
NE
R_
CE
TU
NE
R_I
NT
TU
NE
R_
RS
T
RE
D_
LE
D
VSS
_3
VDD
_3
1.MCU+3V3
6.JTMS
5.JTCK
7.JTDI
4.JTDO
8.NJTRST
3.RESET
2.DGND
9.DGND
HIGH:UPDATE
LOW:NORMAL
BOOT MODE
CEC_IN
POWER-FAIL
PO
W
ER
-F
AI
L
CEC-PART
FR
O
M
/T
O
U
SB
/B
T
B'
D
7.
M
IC
_S
IGN
AL
8.
M
IC
_GN
D
3.
MI
C_
DE
T
4.
PO
W
ER
_K
EY
5.
+12
V
6.
-12
V
10
.H
/P
_D
ET
11
.V
SE
L_
A
12
.V
SE
L_
B
13
.K
EY
_3
14
.K
EY
_2
15
.K
EY
_1
16
.R
ED
_L
ED
17
.W
/G
_L
ED
18
.R
C_I
N
19
.F
L_
RS
T
20
.F
L_
CE
21
.F
L_
CL
K
22
.F
L_
DA
TA
23
.C
PU
_P
OW
ER
24
.M
CU
+
5V
25
.M
CU
_3
V3
26
.D
GN
D
27
.N
C
9.
NC
2.
IS
EL
_B
1.
IS
EL
_A
FR
O
M
/T
O
D
IG
IT
AL
P
O
W
ER
P
AR
T
7.BT_TX
8.BT_RX
9.BX_RST/BT_RST
10.DAC_MUTE
TO
H
DM
I 4
K
PA
RT
11.USB_EN/WAKE UP
CEC_OUT
SD
A
SC
L
W
P
VC
C
GN
D
A2 A1 A0
SWM3V3
SWM5V
DGND
W
A
FE
R/
11
P/
2.
0m
m
W
A
FE
R/
9P
/2
.0
m
m
FFC WAFER/27P/1.25mm
3.FRONT_RLY
4.C/S_RLY
2.H/P_RLY
6.ASO_DET
7.DC_PROT
8.THERMALDET_A
9.THERMALDET_B
1.HI-B_RLY
5.+/-B DETECT
1.D5V
2.D5V/BOOT(SDA)
3.DGND
4.DGND
5.USB3V3
6.USB_POWER1
10K
10K
X550BTE2
R7113
R7114 10K 10K
X 4K7
S540BTE3
X550BTE1C
X550BTK
10K
X
TO
H
DM
I O
SD
P
AR
T
X250BTE2 X250BTE1C
H5V_DET
HINSEL_A
TO
H
DM
I 4
K
PA
RT
1.
RE
SE
T
2.
M
CU
+
3V
3
3.T
X
4.
RX
5.
DGN
D
7.
BO
OT
6.
N.
C
FOR UPDATE (MP:OPEN)
GND
SDA
SCL
RST
VCC
NC
NC
NC
Apple Auth.
2.0c
AVR-X250BT ONLY
CP_SDA
CP_SCL
CP_RESET
FOR AVR-X250BT_BT IOS APP
1.BT_RESET
2.BT_3V3
3.BT_TX
4.BT_RX
5.DGND
7.BOOT(SDA)
6.N.C
S540/X550 ONLY
BT
U
PD
AT
E
X250
BT
O
NL
Y
FOR UPDATE (AVR-S540BT/X550BT: USE)
FOR UPDATE (MP:USE)
FFC 1mm PITCH(ANGLE TYPE)
C711
9
0.
1u
F
C710
2
0.
1u
F
C7106
0.1uF
C711
3
0.
1u
F
R711
3
O
PT
IO
N
R711
4
O
PT
IO
N
X71
1
8M
H
z
C7104
20pF
C7103
20pF
R715
5
47
K
1 2 3 4
5 6 7 8
IC
71
2
M
24
C32
W
M
N
6T
P
R7153
2.7K
R7154
2.7K
R7138
10K
9
8
7
6
5
4
3
2
1
CN715
9PIN WAFER
R710
7
1M
1 2 3 4
5 6 7 8
RN
71
1
100
x4
R7136 47K
R7137 47K
C712
8
0.
1u
F
C7116
0.1uF
C7115
0.1uF
C7114
0.1uF
1 2 3 4
5 6 7 8
RN
71
2
100
x4
7
6
5
4
3
2
1
CN714
FFC 1mm PITCH
L710
6
0
L710
7
0
L710
8
0
L710
9
0
R712
9
1k
R7152
1k
R717
1
10
0
R717
2
0
R7119
OPEN
R7120
OPEN
R712
1
O
PE
N
C712
0
0.
1u
F
C712
1
0.
1u
F
C712
7
0.
1u
F
C712
5
0.
1u
F
C712
6
0.
1u
F
C712
4
0.
1u
F
R717
7
33
R717
6
33
R717
4
33
R717
3
33
R717
5
33
R716
1
O
PE
N
C713
1
0.
01
uF
R716
2
120
K
R716
3
10
0
R715
8
O
PE
N
C713
0
0.
01
uF
R715
9
120
K
R7164
100
R715
6
47
K
C712
9
0.
01
uF
R7165
100
Q7107
2SC3052
Q7106
2SC3052
Q7105
2SC3052
R7157
47K
R7160
47K
14
4
14
3
14
2
14
1
14
0
13
9
13
8
13
7
13
6
13
5
13
3
13
4
13
2
13
1
13
0
12
9
12
8
12
7
12
6
12
5
12
4
12
2
12
3
12
1
12
0
11
9
11
8
11
7
11
6
11
5
11
4
11
3
11
2
11
1
11
0
10
9
10
8
10
7
10
6
10
5
10
4
10
3
10
2
10
1
10
0
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC711
STM32F101ZG
R7178
10K
R717
9
100
K
C713
4
O
PE
N
R718
1
4.
7K
R718
2
47
K
R718
0
2.
2M
R718
3
100
K
C713
5
220
P
R7184
220K
R7185
27K
D
710
2
KD
S160
RT
KP
R718
7
3.
3K
C713
6
0.
1u
F
R718
6
1.
2K
Q
711
2
2S
C305
2
Q
711
3
2S
C305
2
Q
711
1
KT
C2875
B
R7139
100
T710
2
C711
2
0.
1u
F
C711
1
0.
1u
F
C711
0
0.
1u
F
C711
8
0.
1u
F
C711
7
0.
1u
F
C7105
0.1uF
C7101
0.1uF
R7149 10K
R7150 10K
R7151
10K
T7106
L710
1
O
PE
N
L710
2
0
L710
4
FC
M
601
T0
5
L711
0
0
L711
1
0
L711
2
0
L711
3
0
L711
4
0
L711
5
0
L711
6
0
L711
7
0
L711
9
FC
M
601
T0
5
L712
0
0
L712
2
0
L712
3
0
R7108 0
R714
7
22
K
R714
8
22
K
R714
5
22
K
R716
8
33
K
C713
3
100
uF
/10
V
C713
2
0.
1u
F
R716
7
100
K
Q7108
2SC3052
Q
711
0
2S
C305
2
Q7109
ISA1530AC1
R716
6
2.
2K
R712
7
47
K
D7101
OPEN
R7102
0
R710
3
47
K
R7104
1K
R710
1
470
K
C710
9
O
PE
N
C710
8
O
PE
N
C710
7
O
PE
N
T711
0
T711
1
T711
2
T711
3
T711
4
T711
5
T711
6
R711
6
33
R711
5
33
L712
4
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 17
16 18
19 25
24 22
23 21
20 26
27
CN711
FFC 27P
L710
3
FC
M
601
T0
5
L710
5
FC
M
601
T0
5
L712
5
0
L712
6
0
L712
7
0
C712
2
O
PE
N
C712
3
O
PE
N
R710
5
O
PE
N
R710
6
O
PE
N
R711
1
O
PE
N
T7101
R711
0
O
PE
N
R711
8
O
PE
N
R711
7
O
PE
N
R712
4
O
PE
N
R712
3
O
PE
N
T7103
R713
0
O
PE
N
R714
2
O
PE
N
R714
0
O
PE
N
R714
3
33
R714
4
33
R712
2
O
PE
N
T710
4
R717
0
0
T7105
T710
8
R712
8
O
PE
N
R7188 10K
T711
7
9
8
7
6
5
4
3
2
1
CN712
R7190
33
R7191
0
C714
1
0.
1u
F
C714
2
0.
1u
F
C714
3
0.
1u
F
C714
4
0.
1u
F
11
10
9
8
7
6
5
4
3
2
1
CN713
C759
6
0.
1u
F
C760
3
0.
1u
F
C7602
0.1uF
C759
9
0.
1u
F
C760
0
0.
1u
F
C760
1
0.
1u
F
R7193
OPEN
R719
4
O
PE
N
R7195
0
R7196
0
R7197
OPEN
C760
4
O
PE
N
C714
6
O
PE
N
C714
7
O
PE
N
C714
8
O
PE
N
C714
9
O
PE
N
L713
0
0
3 7
6
5
4 2
1 CN716
R7131
33
R7132
33
R7133
33
R7134
33
9
8
7
6
5 4
3
2
1
IC713
OPEN
R719
9
O
PE
N
R719
8
O
PE
N
C715
4
O
PE
N
R718
9
O
PE
N
R719
2
O
PE
N
C715
3
O
PE
N
C715
2
O
PE
N
C715
0
O
PE
N
C715
1
O
PE
N
R7109
OPEN
R7112
OPEN
7
6
5
4
3
2
1
CN717
R7125
0
TUNER_INT
MAIN_VOL_CLK
MAIN_VOL_DATA
TUNER_CE
TUNER_RST
TUNER_SDIO
TUNER_SCLK
DSP_MISO
DSP_MOSI
DSP_RST
DSP_PCP_BSY
DSP_SPC1_IRQ
DSP_CS
DSP_MODE_SEL
CODEC_MUTE
DIR_RST
DAC_MUTE
DGND
AGND
DSP_CLK
-12V
D
A
C_
M
U
TE
TU
N
ER
_S
CL
K
TU
N
ER
_S
D
IO
TU
N
ER
_C
E
TU
N
ER
_I
N
T
TU
N
ER
_R
ST
M
A
IN
_V
O
L_
D
A
TA
M
A
IN
_V
O
L_
CL
K
IN
T_
TX
IN
T_
RX
IN
T2_
RX
H
D
M
I_
SD
A
H
D
M
I_
SC
L
H
D
M
IO
SD
_H
O
LD
H
D
M
IO
SD
_C
LK
H
D
M
IO
SD
_C
S
H
D
M
IO
SD
_M
O
H
D
M
IO
SD
_M
I
DIR_MOSI
D
IR
_R
ST
D
SP
_S
PC
1_I
RQ
D
SP
_P
CP
_B
SY
D
IR
_C
E
H
D
M
I_
SW
D
SP
_C
S
D
SP
_C
LK
D
SP
_M
IS
O
D
SP
_M
O
SI
D
SP
_R
ST
D
IR
_M
O
SI
D
IR
_C
LK
D
IR
_M
IS
O
D
SP
_M
O
D
E_
SE
L
DIR_CE
DIR_CLK
DIR_MISO
HDMI_SW
CO
D
EC
_M
U
TE
H
PD
4
H
PD
5
MCU_RST
MCU+5V
MCU+3V3
CE
C_
PO
W
ER
D
V5_
PO
W
ER
USB_POWER2
CEC_POWER
MAIN_POWER
DV5_POWER
DA_POWER
USB_POWER2
A
D
V7623
_R
ST
SWM3V3
MN864788_RST
MN864788_SCL
MN864788_SDA
HPD4
HPD5
MN864788_HINT
MN864788_HAINT1
POWER_DOWN
DGND
MCU+3V3
SUB_MUTE
CEC_COM
ADV7623_RST
INT_TX
INT2_RX
INT_RX
HDMI_SCL
HDMI_SDA
HDMIOSD_HOLD
HDMIOSD_CLK
HDMIOSD_CS
HDMIOSD_MO
HDMIOSD_MI
SWM5V
CEC_COM
POWER_DOWN
CPU_POWER
D5V
USB3V3
DIR_INT
HPD3
CVBS_SW2
CVBS_SW5
CPU_POWER
MN864788_HAINT0
MAIN_POWER
MIC_SIGNAL
HINSEL_A
HINSEL_B
HINSEL_C
H5V_DET
M
N
864788_
RS
T
M
N
864788_
H
A
IN
T1
M
N
864788_
H
IN
T
M
N
864788_
SC
L
M
N
864788_
SD
A
DA_POWER
788_OSD_SPI_CLK
788_OSD_SPI_CS
788_OSD_SPI_MISO
788_OSD_SPI_MOSI
788_OSD_SPI_CS
788_OSD_SPI_CLK
788_OSD_SPI_MISO
788_OSD_SPI_MOSI
+12V
CEC_POWER2
A0
TO 0A
A1
TO 1A
A2
TO 2A
A3
TO 3A
A4
TO 4A
A5
TO 5A
A6
TO 6A
A7
TO 7A
CN711
TO BN12B1
CN712
TO BN502
CN713
TO BN912
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
9