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9
8
(ST_MCU)
AVR270/370
B
1
2
3
4
5
D
C
B
A
6
C
D
A
APPROVE
CHECK
DESIGN
DRAWING NO
1437SCPZ
MODEL
SHEET
SCHEMATIC DIAGRAM
REVISION
1
2
3
4
5
6
7
ADV8003_MOSI
USB_O/CURR
PO
WE
R
_O
N
F_
H
D
M
I_
EN
SB_
M
U
TE
REMOTE_IN
VSS
VD
D
ADV8003_MISO
HDMI_SCL
ADV8003_SCK
XTAL
_IN
XTAL
_OUT
R
ESET
KE
Y1
KE
Y2
28
. K
EY_
INP
U
T_
INT
29
. V
O
L_
L_
CO
NT
30. VD
D
31. VS
SA
32. VREF
33. VD
D
A
34. N
.C
36. UART_TX_RES
ERV
ED
UART_RX_RESERVED
VSS
VDD
SCP1_CS
DSP_CODEC_CLK
DSP_MISO
DSP_CODEC_MOSI
SCP2_CS
HDMI_MCK_SW
TUNER_SDA
BOOT1
TUNER_SCL
VSS
VDD
DIR_RST
DIR_CE
DIR_MISO
PO
W
ER
_SW
1
BC
O
_V
BU
S_
D
R
V
VSS
VDD
VO
LT
AG
E_
SE
L2
HDMI_SDA
DSP1_RST
DSP_MODE_SEL
VOLTAGE_SEL1
M
AI
N
_VO
L_D
ATA
M
AI
N
_VO
L_CL
K
VCAP
VDD
VFD
_CL
K
VFD
_CE
VSS
VD
D
VOL
+
VOL
-
DSP_SCP1_IRQ
DSP_PCP_BSY
VSS
VD
D
*O
TG
_F
S_
VB
US
*O
TG
_F
S_I
D
103. *O
TG
_F
S_D
M
104. *O
TG
_F
S_D
P
105. D
EB
U
G
(JTM
S)
106. VCAP
107. VS
S
108. VD
D
DEBUG(JTCK)
DEBUG(JTDI)
ADV8003_RST
ADV8003_CS
VSS
VDD
ST_LED_CONT
EEPROM_SCL
EEPROM_SDA
VSS
VDD
DEBUG(JTDO)
DEBUG(NJTRST)
BOOT0
RFU
VDD
US
B_
OE
VF
D_
DA
TA
HP
_M
UTE
ZONE2_MUTE
FUNC_
M
UT
E
Z2_REMOTE_IN
75
. BC
O_
SP
I_
M
ISO
73. B
CO
_S
PI
_CS
74
. BC
O_
SP
I_
CL
K
76
. BC
O_
SP
I_
M
O
SI
77. B
CO
_RS
T
78. N
ET_P
W
R_S
W
79. US
B_
VB
US
D
R
V
80. B
CO
_REQ
81
. U
SB_
SEL
PR
O
TE
CT
PO
WE
R
_DO
WN
Z1_TRI
G
G
ER
HP
_I
N
VB
AT
SIGNA
L D
ET
EC
T
O
SC32_I
N
O
SC32_O
UT
PO
WE
R
_F
AI
L
(2.8V RESET)
STM32F20XX
STM32F10XX
MCU OPTION
ST
M
32
F2
0XX
ST
M
32
F1
0XX
M
CU OP
TI
ON
MCU_JTEG
35. CEC OUT
<=> BridgeCo
<=> DSP/CODEC
<=> TUNER CONTROL (JACK B'D)
<=> JTAG
SDA SCL
E0
E1
E2
VSS
VCC
/WC
Option
* MODEL
* MODEL OPTION *
* DEBUG & UPDATE
PO
WE
R
_MU
TE
TUN
ER_M
U
TE
MI
C_
IN
ZONE2_VOL_DATA
ZONE2_VOL_CLK
DSP2_RST
DSP_SCP2_IRQ
HDMI_TX_SW
HDMI_RX_SW
MO
DE
L O
PT
.
DEBUG_TX
DEBUG_RX
NC
NC
US
B_
OVER_CURREN
T
VFD
_R
ST
ADV7850_RST
AMP_VCC_CONT
ADV8003_INT0
ADV8003_INT1
ADV8003_INT2
CEC_IN
ADV7850_INT1
ADV7850_INT2
TO JACK PCB
<=> D
IGITAL
AUD
IO
/P
O
WE
R/M
CU CO
NT.
SW2_VOL_DATA
SW2_VOL_CLK
TXC
HDMI CEC_PART
CEC_OUT
CEC_IN
SCALER Part (ADV8003)
HDMI_MUX Part (ADV3002)
MCU <---------> DEVICE
MCU <---------> DEVICE
HDMI_RX Part (ADV7850)
MCU <---------> DEVICE
BCO Part (DM860A)
MCU <---------> BCO DM860A
PHY&USB Part
CEC Part
MCU <---------> CEC Part
Y.W.Y
L.J.H
K.M.S
11.12.27
12.08.02
11.12.27
<=> FRONT PCB
<=> FRONT PCB
POWERON_LED_CONT
12.08.02
MULTI. LAB
ANAM
ISSUE
PMP
TXD
RXD
BOOT
MCU+3.3V
MCUGND
RESET
NC
MUTE CONTROL
10K
R2130
R2131
0
Model
10K
22K
OPEN
OPEN
Vin
(V)
0
10K
1.65
2.27
0
3.3
AVR270
AVR370
AVR3700
AVR2700
HEAT_D
ET
CURREN
T_D
ET
FAN1_ON
TEMP OUT
GND
+5V_D
GS0
GND
OUT
VDD
GS1
TEMP. SENSING
2012.04.13
CUP12457Z
<=> SMPS PCB
ADD_0416
ADD_0416
ADD_0416
05.03
05.03
05.31
IPHONE_MUTE ADDED
C2116
0.
1
C2111
150P
R
2141
47K
R2137
10
R
2138
10K
R2139
10K
D2102
D
2103
CV
D
1S
S355T
R2142
10K
R
2143
10K
C2110
10u
F/
6.
3V
R2140
10K
R2166
NC
R2116
0
C2113
1000P
R2168
10K
C2114
0.1
144
143
142
141
140
139
138
137
136
135
133
134
132
131
130
129
128
127
126
125
124
122
123
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
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
IC2103
R2154
33
R2155
33
R2121
100
R2125
33
R2167
10K
C2106
0.
1
VS
S
VI
N
VO
UT
3
2
1
1
2
3
IC2102
CVIML61C282PR
R2113
10K
R2175
0
R2174
0 (NC)
C2115
0.01uF
C2109
0.
01u
F
R
2136
0 (
N
C)
C2112
0.
01u
F
9
8
7
6
5
4
3
2
1
CN
121
R2119
0
R2161
100
R2120
10K(N.C)
C2117
0.
1
C2118
0.
1
C2119
0.
1
C2120
0.
1
C2121
0.
1
C2122
0.
1
C2123
0.
1
C2124
0.
1
C2125
0.
1
C2126
0.
1
R2172
10K
R2171
10K
R2170
10K
R2153
33
Q2105
HVTKTA1504SYRTK
Q2106
HVTKTC3875SYRTK
R2151
2.7K
R2152
2.7K
8
7
6
5
4
3
2
1
IC
2106
CV
IM
24C
32WM
N
6T
P
R2150
47K
R2130
OPTION
R2131
OPTION
R
2146
10K
R2122
100
1
2
3
4
5
6
7
8
R
N
2106
33X
4
1
2
3
4
5
6
7
8
R
N
2107
33X
4
R
2147
10
R
2148
10
R
2135
10K
R
2134
10K
R
2117
10K
R
2118
10K
R
2160
2.
2K
R
2159
2.
2K
R2158
33
R2157
33 (NC)
R2156
33
R2163
33
R2162
33
Q2104
T1P144C
R
2169
33
R2173
10K
R2126
33
R
2144
33
R
2164
10K
TP12
R2115
1M
R2114
0
1
23
4
X2101
CO
X25000I120S
T
C2107
12P
C2108
12P
1
2
3
Q2101
INC2001AC1
Q2102
2SC3052
Q2103
2SC3052
R2104
10K
R
2105
100K
C2101
0.1_NC
R
2106
4.
7K
R
2111
47K
R2112
2.2M
R
2110
100K
C2104
220P
R2109
220K
R2108
OPEN
C2105
0.
1
C2102
1000P
C2103
1000P
12
3
4
5
6
IC2101
UPA672T_NC
R2101
33
R
2102
10K
_NC
R2103
0
3
2
1
D2101
BAR43C
R2176
10K
R2177
10K
R2165
47K
1
2
3
VCC
GND
OU
T
IC2105
DA1510
L2102
CLZ9R005Z
C2135
4.7u
F 6.3V
C2133
0.
1u
F
C2132
10V
/22u
F
R2199
CRJ10DJ0R0T
0
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
53
42
1
CN
54
R2179
0
R2178
0
R2149
100
R
2145
100
TP9
TP8
TP1
0
TP1
5
TP1
6
TP1
7
TP1
8
12
3
4
56
78
RN2101
100X4
12
3
4
56
78
RN2102
100X4
123
4
567
8
RN2103
100X4
12
3
4
56
78
RN2104
100X4
1
2
3
4
5
6
7
CN1603
Q2203
T1N144C
Q2209
T1N144C
Q
2208
T1P
144C
R
2310
10K
Q2204
T1N144C
Q2211
T1N144C
Q
2210
T1P
144C
R
2311
10K
Q2205
T1N144C
Q2213
T1N144C
Q
2212
T1P
144C
R
2312
10K
Q2202
T1N144C
Q2207
T1N144C
Q
2206
T1P
144C
R
2309
10K
R2313
1M
R2314
1M
R2315
1M
R2316
1M
D3181
1SS355
C2280
470/
16V
C2279
470/
16V
Q1606
1N141C
R1673
0 (NC)
C2127
0.
1u
F (
N
C)
R
2184
0
R
2185
0
TP55 TP56
R2186
0
R2187
0
R2188
0
R2189
33
R2190
33
TP5
9
R
2191
33 (
O
PE
N)
R2183
0
TP60
R2180
20K
R
2181
0_NC
R2182
0
5
4
3
2
1
IC10
LM94022BIMG
C100
0.1u
F
D100
1SS355
32
1
BN
10
20
21
23
22
19
18
16
17
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
WF70
D1703
1SS355
R1872
1K
32
1
CN
10
C2134
0.
01u
F
R
2193
0
R
2192
0
R
2194
0 (
N
C)
R
2195
0 (
N
C)
Q
2107
T1P
144C
Q
2108
T1P
144C
R2198
0
R
2197
33
TP6
TP2100
C2128
0.
1u
F
Q1
T1N144C
Q2
T1N144C
Q3
T1P
144C
R1
10K
R2
1M
ST+5V
REMOTE_IN
REMOTE_OUT
PO
WE
R
_D
O
WN
IR_IN
PO
WE
R
_H
IGH
VO
L_
EN
1
VO
L_
EN
2
+3.3VC
VF
D
_CS
VF
D
_CL
K
VF
D_
DA
TA
VF
D
_R
ST
REMOTE_IN
PROTECT_IN
PO
WE
R
_FA
IL
PO
WE
R
_M
U
TE
SIGNA
L_
D
ETE
CT
M
AIN_V
O
L_
D
ATA
M
AIN_V
O
L_
CL
K
KEY
1
KEY
2
MC
U
_OP
TI
ON
MCU_OPTION
JTAG_TRST
JTAG_TDO
JTAG_JTDI
JTAG_JTCLK
JTAG_JTMS
RESET
RESET
+3.3VC
JTAG_JTMS
JTAG_JTCLK
JTAG_JTDI
JTAG_TRST
JTAG_TDO
+3.3VC
+3.3VC
+3.3VC
SCP1_CS
DSP_CODEC_CLK
SCP1_MISO
DSP_CODEC_MOSI
DIR_MISO
DSP1_RESET
DSP1_MODE
DIR_RESET
DIR_CE
SCP1_IRQ
SCP1_BSY
HDMI_TX_AUDIO_SW
HDMI_MCK_SW
E_
RESET
E_
SP
IC
S
E_
SP
IC
LK
E_
SP
IM
IE
O
E_
SP
IM
OEI
E_
REQ
ZONE2_VOL_CLK
ZONE2_VOL_DATA
REMOT
E_
IN
PWR
_S
W
1
+3.3VC
FU
NC
_M
U
TE
SB_
M
U
TE
HP
_M
U
TE
HP
_I
N
ZONE2_IR
ZONE2_MUTE
+3.3VC
SCP2_CS
SCP2_IRQ
DSP2_RESET
CEC_IN
RS232_TX
RS232_RX
NE
T_PWR
_S
W
US
B_
VB
US
D
R
V
US
B_
SE
L
US
B_
VB
US
MC
U_
US
B_
DM
MCU_
US
B_
D
P
USB_OC
ADV8003_SPI_SCK
ADV8003_SPI_MISO
ADV8003_SPI_MOSI
ADV8003_SPI_CS
ADV8003_RST
HDMI_RX_RST
HDMI_SCL
HDMI_SDA
TUNER_SCL
TUNER_SDA
TU
NE
R
_M
U
TE
MI
C_
IN
KE
Y_INPU
T_INT
ADV3002_SCL
ADV3002_SDA
ADV8003_INT0
ADV8003_INT1
CEC_SEL
ADV7850_INT1
ADV7850_INT2
ADV7850_RST
VO
L_
L_
CO
N
T
US
B_
O
E
HDMI_RX_AUDIO_SW
RESET
+3.3VC
BOOT
BOOT
CEC_OUT
AMP_VCC_CONT
VI
D
_S
W
1
VI
D
_S
W
2
CEC_OUT
CEC_IN
+3.3VC
+3.3VC
ST+5V
MCU_CEC
ADV8003_RST
ADV8003_INT0
ADV8003_INT2
ADV7850_INT1
ADV7850_INT2
F_HDMI_EN
ADV8003_RST
ADV8003_INT0
ADV8003_INT1
ADV8003_INT2
ADV7850_INT1
ADV7850_INT2
F_HDMI_EN
CEC_SEL
HDMI_RX_PWR
CEC_SEL
HDMI_RX_PWR
HDMI_RX_AUDIO_SW
ADV8003_SPI_MOSI
ADV8003_SPI_MISO
ADV8003_SPI_CS
ADV8003_SPI_SCK
HDMI_SDA
HDMI_SCL
HDMI_RX_RST
HDMI_RX_RST
HDMI_SDA
HDMI_SCL
HDMI_SDA
HDMI_SCL
ADV7850_RST
ADV7850_RST
HDMI_SDA
HDMI_SCL
HDMI_SDA
HDMI_SCL
MCU_CEC
MCU_CEC
ADV8003_INT1
HDMI_RX_AUDIO_SW
HDMI_SDA
HDMI_SCL
ADV8003_SPI_MOSI
ADV8003_SPI_MISO
ADV8003_SPI_SCK
ADV8003_SPI_CS
E_SPICS
E_SPICLK
E_SPIMIEO
E_SPIMOEI
E_REQ
E_RESET
E_RESET
E_SPICS
E_SPICLK
E_SPIMIEO
E_SPIMOEI
E_REQ
CEC_IN
CEC_OUT
CEC_OUT
CEC_IN
MCU_USB_DM
MCU_USB_DM
MCU_USB_DP
MCU_USB_DP
USB_ OE
USB_ OE
USB_SEL
USB_SEL
USB_OC
USB_OC
USB_VBUSDRV
USB_VBUSDRV
USB_VBUS
USB_VBUS
IR_
IN
PO
W
ER
O
N_L
ED
_C
O
NT
MI
C_I
N
HP_
IN
VF
D_
RST
VF
D_
DAT
A
VF
D_
CLK
VF
D_
CS
VO
L_
EN
2
VO
L_
EN
1
KE
Y2
KE
Y1
HP_
M
UT
E
VO
L_
L_
CO
N
T
KE
Y_
IN
PU
T_
IN
T
ST
_L
ED
_C
ONT
HPL
-O
U
T
MI
C_
SI
GNA
L
HPR
-O
U
T
AGND
+3V3
+3.3VC
CH
GND
ST+5V
ST_LED_CONT
POWERON_LED_CONT
COAX1
OPT1
OPT2
+12V
+3V3
TUNER_SCL
TUNER_SDA
REMOTE_OUT
ST+5V
AGND
VID_SW1
VID_SW2
ZONE2_IR
RS232_TX
RS232_RX
NET_PWR_SW
COAX1
OPT1
OPT2
HP_MUTE
SB_MUTE
ZONE2_MUTE
FUNC_MUTE
FUNC_MUTE
ZONE2_MUTE
SB_MUTE
HP_MUTE
+12V
-12V
HEA
T_
DET
CU
RREN
T_
D
ET
FAN1_ON
FAN2_ON
HEAT_DET
CHGND
+5V_D
HINSEL_B
HINSEL_C
HINSEL_A
CHGND
CHGND
CHGND CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
ST+5V
+3.3V_DC_1
+3.3V_DC_1
VOLTAGE_SEL1
VOLTAGE_SEL2
BC
O
_V
BU
SDRV
Z1_TRIGGER
IPHONE_MUTE
IPHONE_MUTE
Summary of Contents for AVR 370
Page 6: ...Audio video receiver AVR 3700 AVR 370 AVR 2700 AVR 270 Owner s Manual...
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Page 168: ......
Page 169: ...AVRX70_JACK BD_MP_CUP12460Z_A sch 1 Fri Jul 13 16 07 54 2012...
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