![Harman Kardon AVR 370 Service Manual Download Page 181](http://html1.mh-extra.com/html/harman-kardon/avr-370/avr-370_service-manual_4112558181.webp)
05.00.00
05.00.00
05.00.00
Y.K.Y
Y.K.Y
Y.K.Y
7
6
5
4
3
2
1
REVISION
SCHEMATIC DIAGRAM
4
1
SHEET
MODEL
1
1
1437SCPZ
DRAWING NO
DESIGN
CHECK
APPROVE
A
D
C
6
A
B
C
D
5
4
3
2
1
B
AVR270
(Network DM860A)
E_RESET
NET3.3V
NET1.2V
NET3.3V
VD
D
33P
LL
TO MAIN_CPU
TO PHY
DGND
VDD12DCO
VDD12PLL
VDD33PLL
1G NAND FLASH
(E_REQ)
W
1:
E_I
2S
D
ATA
U3
:PHY_
R
ST
NET1.2V
DNGD
JTA
G
UA
RT
SP
I
RES
ET
CL
O
CK
RTC
ETEHR
LCD
SDIO
AV
USB
DAC
NA
ND
PWR
DGND
NFWP
NFWE
FALE
FCLE
NFCE0
NFRE
NFRB
R/B
RE
CE
VCC
VSS
CLE
ALE
WE
WP
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
I/O0
VCC
VSS
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
TO PHY & DC/DC
N.C N.C
VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
VDD
LDQM
WE
CAS
RAS
CS
BA0
BA1
A10/AP
A0
A1
A2
A3
VDD
VSS
DQ15
VSSQ
DQ14
DQ13
VDDQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VDDQ
DQ8
VSS
N.C
MDQM
CLK
CKE
N.C
A11
A9
A8
A7
A6
A5
A4
VSS
256M SDRAM
TXC
DGND
E_MUTE
TO DSP Part
1
2
3
4
5
6
7
8
R
3905
10KX
4
1
2
3
4
5
6
7
8
R
3906
10KX
4
1
2
3
4
5
6
7
8
R
3919
10KX
4
R3907
10K
12
3
4
56
7
8
R3908
10KX4
R3976
12K
R3910
33
R3911
33
R3912
33
R
3901
OP
EN
C3900
1000P
12
3
4
56
78
R3913
10KX4
R3915
10K
R
3924
OP
EN
R
3925
OP
EN
R
3928
1.5K
R
3927
2.7K
R
3953
33
R3921
1.5K
C3904
4.7/6.3V
C3905
4.7/6.3V
C3906
4.7/6.3V
C3907
4.7/6.3V
C3908
0.1
C3909
0.1
C3910
0.1
C3911
0.1
C3912
0.1
C3913
0.1
C3914
0.1
C3915
0.1
C3916
0.1
C3917
0.1
C3918
0.1
C3919
OP
EN
C3920
OP
EN
C3921
OP
EN
C3922
OP
EN
L3900
HCB2012KF-221T25
C3903
OP
EN
C3923
4.7/6.3V
C3924
OP
EN
C3925
OP
EN
C3926
4.7/6.3V
C3927
4.7/6.3V
C3928
4.7/6.3V
C3929
4.7/6.3V
C3930
0.1
C3931
0.1
C3932
0.1
C3933
0.1
C3934
0.1
C3935
0.1
C3936
0.1
C3937
0.1
C3938
0.1
C3939
0.1
C3940
OP
EN
C3941
OP
EN
C3942
OP
EN
C3943
OP
EN
C3944
4.7/6.3V
C3945
OP
EN
C3946
OP
EN
L3902
HCB2012KF-221T25
L3901
HCB2012KF-221T25
C3947
4.7/6.3V
C3948
OP
EN
C3949
OP
EN
R3975
1K
R3974
1.5K
R3973
4.7K
R3972
1.2K
R3971
1.8K
C3994
open
C3995
open
C3996
open
1
2
3
4
5
6
7
8
R3909
10KX4
12
3
4
5
678
R3904
33X4
12
3
4
56
7
8
R3903
33X4
123
4
567
8
R3902
33X4
R
3954
33
1
2
3
4
5
6
7
8
R
3955
33X
4
1
2
3
4
5
6
7
8
R
3956
33X
4
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
43
2
1
IC394
H27U1G8F2BTR-BC
R
3929
4.7K
R
3930
4.7K
C3972
0.1
C3971
0.1
R
3943
10K
R
3931
4.7K
R
3932
OP
EN
R
3939
4.7K
R
3933
OP
EN
1
2
3
4
5
6
7
8
R3961
33X4
1
2
3
4
5
6
7
8
R3962
33X4
1
2
3
4
5
6
7
8
R3963
33X4
1
2
3
4
5
6
7
8
R3964
33X4
1
2
3
4
5
6
7
8
R3965
33X4
1
2
3
4
5
6
7
8
R3966
33X4
1
2
3
4
5
6
7
8
R3967
33X4
1
2
3
4
5
6
7
8
R3969
33X4
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
43
21
IC392
W9825G6JH-6
R3941
OPEN
R3942
OPEN
C3954
0.1
C3955
0.1
C3956
0.1
C3957
0.1
C3958
0.1
C3965
0.1
C3964
0.1
C3952
1000P
C3953
1000P
C3962
1000P
C3963
1000P
C3959
1000P
C3960
1000P
C3961
1000P
R3936
33
R3938
33
R
3944
4.7K
R
3945
4.7K
R
3946
4.7K
R
3947
4.7K
R3937
1005 /1/16W / 100ohm
R3940
OPEN
C3951
OPEN
R3920
1M
R3914
1K
X3900
24M
Hz
C3901
8P
C3902
8P
T1
T2
T7
T8
T9
C3982
OPEN
R3980
OPEN
R
3981
OPE
N
1
2
3
4
56
78
IC391
OPEN
C3983
OPEN
C3984
OPEN
1
23
4
X3901 OP
EN
R3982
OP
EN
R3983
OPEN
A1
US
BD
N
A2
VDD3
3_
U
SB
C
A3
VSS3
3_
U
SBC
A4 NC_07
A5
NC_08
A6
VD
D
33_01
A7 RFCLKP
A8
RFRXQP
A9
RFRXIP
A10
HIGHZ
A11
SSM
D
0
A12
SSM
D
4
A13
SSM
CM
D
A14 RXD1
A15 TDO
A16
TDI
A17
A0 A18
A1
B1
US
BD
P
B2
VDD3
3_
U
SB
T
B3
VSS3
3_
U
SBT
B4
NC_09
B5
NC_10
B6
VS
S_65
B7 RFCLKN
B8
RFRXQN
B9
RFRXIN
B10
TEST1
B1
1
SSM
D
1
B1
2
SSM
D
5
B13 TXD1
B14
RXD0
B15 TMS
B16
SPICLK
B17 SPINCS1
B18
A2
C1
VS
S12_US
B
C2
US
BR
EXT
C3
US
BX
O
C4
US
BX
I
C5 NRES12_OUT
C6
VS
S_66
C7
RREF
C8
NC_11
C9
NC_12
C10
SSM
CL
K
C11
SSM
D
2
C12
SSM
D
6
C13
TXD0
C14
TCK
C15
SPINCS0
C16
A3 C17
A4 C18
A5
D1
VDD1
2_
U
SB
D2
U
SBV
BU
S
D3
US
BA
TS
T
D4
NRES33_OUT
D5
NRES33_REF
D6 NRES12_REF
D7
VD
D
33_02
D8
VDD1
2
D9
SSM
W
P
D1
0
SSM
CP
D1
1
SSM
D
3
D1
2
SSM
D
7
D13 NRESET
D14
SPIDI
D15
SPIDO
D16
A6 D17
A7 D18
A8
E1
VSS33_RTC
E2
US
BI
D
E3
U
SBV
B_
U
SDR
V
E4
NC_01
E6
VD
D
12_CO
R
E_01
E7
VD
D
12_CO
R
E_02
E8
VD
D
33I
O
_01
E9
VD
D
33I
O
_02
E10
VD
D
12_CO
R
E_03
E11
VD
D
12_CO
R
E_04
E12
VD
D
33I
O
_03
E13
VD
D
33I
O
_04
E15
A9 E16
A10 E17
A11 E18
A12
F1
VDD33_RTC
F2
RTCXIN
F3
VD
D
33_P
LL
F4 NC_02
F5
VD
D
33I
O
_05
F6
VSS_
01
F7
VSS_
02
F8
VSS_
03
F9
VSS_
04
F1
0
VSS_
05
F1
1
VSS_
06
F1
2
VSS_
07
F1
3
VSS_
08
F1
4
VD
D
12_CO
R
E_05
F15
A13_RAS F16
A14_CAS F17
A15_BA0 F18
A16_BA1
G1
VDD1
2_
DC
O
G2
RTCXOUT
G3
VS
S33_P
LL
G4
NC_03
G5
VD
D
33I
O
_06
G6
VSS_
09
G7
VSS_
10
G8
VSS_
11
G9
VSS_
12
G1
0
VSS_
13
G1
1
VSS_
14
G1
2
VSS_
15
G1
3
VSS_
16
G1
4
VD
D
12_CO
R
E_06
G15
A17_DQ_M0 G16
A18_DQ_M1 G17
A19 G18
A20
H1
VS
S12_D
CO
H2
VS
S12_P
LL
H3
VD
D
12_P
LL
H4
NC_04
H5
VD
D
12_CO
R
E_07
H6
VSS_
17
H7
VSS_
18
H8
VSS_
19
H9
VSS_
20
H10
VSS_
21
H11
VSS_
22
H12
VSS_
23
H13
VSS_
24
H14
VD
D
33I
O
_07
H15
A21 H16
A22 H17
A23
H18
NCS3
J1 PDOUT1
J2
VCO1
J3
XTALO
J4 NC_05
J5
VD
D
12_CO
R
E_08
J6
VSS_
25
J7
VSS_
26
J8
VSS_
27
J9
VSS_
28
J10
VSS_
29
J11
VSS_
30
J12
VSS_
31
J13
VSS_
32
J14
VD
D
33I
O
_08
J15
NCS0 J16
NCS1 J17
NCS2
J18
MEMCKE
K1
PDOUT0
K2
VCO0
K3
XTALI
K4
AOUTL
P
K5
VD
D
33I
O
_09
K6
VSS_
33
K7
VSS_
34
K8
VSS_
35
K9
VSS_
36
K1
0
VSS_
37
K1
1
VSS_
38
K1
2
VSS_
39
K1
3
VSS_
40
K1
4
VD
D
12_CO
R
E_09
K15
MEMCLK
K16
NWE
K17
NOE
K18
NWAIT
L1
AV0CL
K
L2
AOUTL
N
L3
AOUTRN
L4
AOUTRP
L5
VD
D
33I
O
_10
L6
VSS_
41
L7
VSS_
42
L8
VSS_
43
L9
VSS_
44
L1
0
VSS_
45
L1
1
VSS_
46
L1
2
VSS_
47
L1
3
VSS_
48
L1
4
VD
D
12_CO
R
E_10
L15
D3
L16
D2
L17
D1
L18
D0
M1
AV0_CTRL
0
M2
AV0_CTRL
1
M3
AV0_CTRL
2
M4
AV0_D
ATA3
M5
VD
D
12_CO
R
E_11
M6
VSS_
49
M7
VSS_
50
M8
VSS_
51
M9
VSS_
52
M1
0
VSS_
53
M1
1
VSS_
54
M1
2
VSS_
55
M1
3
VSS_
56
M1
4
VD
D
33I
O
_11
M15
D7
M16
D6
M17
D5
M18
D4
N1
AV0_D
ATA2
N2
AV0_D
ATA1
N3
AV0_D
ATA0
N4
AV1_D
ATA3
N5
VD
D
12_CO
R
E_12
N6
VS
S_57
N7
VS
S_58
N8
VS
S_59
N9
VS
S_60
N1
0
VS
S_61
N1
1
VS
S_62
N1
2
VS
S_63
N1
3
VS
S_64
N1
4
VD
D
33I
O
_12
N15
D11
N16
D10
N17
D9
N18
D8
P1
AV1_D
ATA2
P2
AV1_D
ATA1
P3
AV1_D
ATA0
P4
AV2_D
ATA3
P6
VD
D
33I
O
_13
P7
VD
D
33I
O
_14
P8
VD
D
12_CO
R
E_13
P9
VD
D
12_CO
R
E_14
P1
0
VD
D
33I
O
_15
P1
1
VD
D
33I
O
_16
P1
2
VD
D
12_CO
R
E_15
P1
3
VD
D
12_CO
R
E_16
P15
FD0 P16
FD1
P17
D13
P18
D12
R1
AV2CL
K
R2
AV2_CTRL
1
R3
AV2_D
ATA2
R4
AV3CL
K
R5
AV3_D
ATA1
R6
LC
DD1
1
R7
LC
DD7
R8
LC
DD3
R9
LC
D_
CT
R
L0
R10
VP
P
R11
MIITXEN
R12
MIITXCLK
R13 MIIRXER
R14 MIICRS
R15
FD2 R16
FD3 R17
FD4
R18
D14
T1
AV2_CTRL
0
T2
AV2_D
ATA1
T3
AV3_CTRL
1
T4
AV3_D
ATA0
T5
LC
DD1
4
T6
LC
DD1
0
T7
LC
DD6
T8
LC
DD2
T9
LC
D_
CT
R
L1
T10
LC
DC
LK
T11
MIIITXER
T12
MIIRXCLK
T13 MIICOL
T14 MII_RXDV
T15
FD5 T16
FD6 T17
FD7
T18
D15
U1
AV2_D
ATA0
U2
AV3_CTRL
0
U3
AV4_D
ATA1
U4
LC
DD1
6
U5
LC
DD1
3
U6
LC
DD9
U7
LC
DD5
U8
LC
DD1
U9
LC
D_
CT
R
L2
U10
MIITXD0
U11
MIITXD2
U12
MIIRXD0
U13 MIIRXD2
U14
MIIMDIO
U15
NFCE0
U16
FCLE
U17
NFWE
U18
NFRB
V1 NC_06
V2
AV4_D
ATA0
V3
LC
DD1
7
V4
LC
DD1
5
V5
LC
DD1
2
V6
LC
DD8
V7
LC
DD4
V8
LC
DD0
V9
LC
D_
CT
R
L3
V10
MIITXD1
V11
MIITXD3
V12 MIIRXD1
V13
MIIRXD3
V14 MIIMDC
V15
MIIPHY_CLK
V16
NFWP
V17
NFRE
V18
FALE
IC390
DM860A
R
3923
33
T10
T16
T17
Q8301
CVTRT1P141C
Q8302
CVTRT1N141C
12
3
4
56
7
8
R3968
33X4
R3984
1005 /1/16W / 47ohm
BC
O
_1
.2
V
BC
O
_3
.3
V
BC
O
_V
BU
SDR
V
US
BD
-
US
BD
+
US
B_
VB
US
M
IIR
XD
2
M
IIR
XD
3
M
IIR
XD
V
M
IIR
XER
M
IIT
XD
2
M
IIT
XD
3
M
IIT
XEN
M
IIM
D
C
M
IIM
D
IO
M
IIP
H
YCL
K
PH
Y_
R
ST
E_
R
ESET
E_
SP
IC
S
E_SP
ICL
K
E_
SP
IM
IEO
E_
SP
IM
OEI
E_REQ
ESD
A
ESCL
CP
RS
T
NFWP
NFWE
NFRE
NFCE0
NFRB
FCLE
FALE
VPP
ETDO
ETDI
ETCK
ETMS
E_SPIMOEI
E_SPIMIEO
E_SPICLK
E_SPICS
E_REQ
CPRST
MIIRXD2
MIIRXD3
MIIRXDV
MIIRXER
MIITXD2
MIITXD3
MIITXEN
MIIMDC
MIIPHYCLK
MIIMDIO
US
BD
+
US
BD
-
US
B_
VB
US
BC
O
_V
BU
SDR
V
E_
R
ESET
DEBUG_RX
DEBUG_TX
ESD
A
ESCL
PHY_
R
ST
BC
LK
VD0
VD1
VD2
VD3
VD5
VD4
VD6
VD7
DM_NWE
DM_MEMCKE
DM_MEMCLK
DM_NCS1
DM_NWAIT
FD7
FD6
FD5
FD0
FD1
FD2
FD3
FD4
FD3
FD2
FD1
FD0
FD4
FD5
FD6
FD7
NFWP
NFRE
NFCE0
NFRB
NFWE
FALE
FCLE
DM_D0
DM_D1
DM_D2
DM_D3
DM_D4
DM_D5
DM_D6
DM_D7
DM_D8
DM_D9
DDM_10
DDM_11
DM_D12
DM_D13
DM_D14
DM_D15
DM_A0
DM_A1
DM_A2
DM_A3
DM_A4
DM_A5
DM_A6
DM_A7
DM_A8
DM_A9
DM_A10
DM_A11
DM_A12
DM_A13/RAS
DM_A14/CAS
DM_A15/BA0
DM_A16/BA1
DM_A17/DQM0
DM_A18/DQM1
DM_D0
DM_D1
DM_D2
DM_D3
DM_D4
DM_D5
DM_D6
DM_D7
DM_A17/DQM0
DM_A14/CAS
DM_A13/RAS
DM_A15/BA0
DM_A16/BA1
DM_A10
DM_A0
DM_A1
DM_A2
DM_A3
DM_D15
DM_D14
DM_D13
DM_D12
DDM_11
DDM_10
DM_D9
DM_D8
DM_MEMCKE
DM_MEMCLK
DM_NWAIT
DM_NWE
DM_A4
DM_A5
DM_A6
DM_A7
DM_A8
DM_A9
DM_A11
DM_A12
DM_A18/DQM1
DM_NCS1
E_
D
AT
A
E_64FS E_
FS
E_256FS
E_TXDMIEO
E_RXDMOEI
E_
R
ESET
E_
R
ESET
E_
SP
IC
S
E_SP
ICL
K
E_
SP
IM
IEO
E_
SP
IM
OEI
E_TXD
M
IEO
E_RXD
M
OEI
E_REQ
860S
PD
IF
860S
PD
IF
860S
PD
IF
BC
O
_V
BU
SDR
V
US
BD
-
US
BD
+
US
B_
VB
US
M
IIR
XD
2
M
IIR
XD
3
M
IIR
XD
V
M
IIR
XER
M
IIT
XD
2
M
IIT
XD
3
M
IIT
XEN
M
IIM
D
C
M
IIM
D
IO
M
IIP
H
YCL
K
PH
Y_
R
ST
ESD
A
ESCL
CP
RS
T
E_FS
E_D
ATA
E_64FS
E_256F
S
CHGND
E_M
U
TE
E_TXD
M
IEO
E_RXD
M
OEI
E_256F
S
E_64FS
E_D
ATA
E_FS
DEBUG_RX
DEBUG_TX
DEBUG_RX
DEBUG_TX
Summary of Contents for AVR 370
Page 6: ...Audio video receiver AVR 3700 AVR 370 AVR 2700 AVR 270 Owner s Manual...
Page 164: ......
Page 168: ......
Page 169: ...AVRX70_JACK BD_MP_CUP12460Z_A sch 1 Fri Jul 13 16 07 54 2012...
Page 180: ......