![Harman Kardon AVR 370 Service Manual Download Page 177](http://html1.mh-extra.com/html/harman-kardon/avr-370/avr-370_service-manual_4112558177.webp)
SEL
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
ST
VCC
7
6
5
4
3
2
1
REVISION
SCHEMATIC DIAGRAM
SHEET
AVR270/370
MODEL
9
7
(DSP&CODEC)
xxxxxxZ
DRAWING NO
DESIGN
CHECK
APPROVE
A
D
C
6
A
B
C
D
5
4
3
2
1
B
VD
D
GND
VL
C
AINR
-
AINR
+
AINL
+
AINL
-
VA
AGND
AOUTB4-
AOUTA4-
AOUTB3-
AOUTA3-
AOUTB2-
AO
UT
A2
-
AO
UT
B1
-
AO
UT
B1
+
AO
UT
A1
+
AO
UT
A1
-
MUT
EC
LP
FLT
AGND
VAR
X
RX
P7
RX
P6
RX
P5
RX
P4
RX
P3
RX
P2
RX
P1
RXP0
TXP
VD
DGND
VLS
ADCIN2
ADCIN1
INT
RMCK
FILT+
VQ
RESET
SCL
/CCL
K
CD
IN/
D
ATA
AD
0/
CS
OMCK
CX_SDOUT
SDA
/DOU
T
SAI_SCLK
SAI_LRCK
SAI_SDOUT
CX
_L
R
CK
CX
_S
CL
K
CRJ10DJ1R0T
HDMI SPDIF MODE : DIR MASTER
DIR MODE : DIR MASTER
ADC MODE : DSP MASTER
HDMI I2S MODE : HDMI MASTER
DA
I_
D3
DA
I_
D2
DA
I_
D1
DA
I_
D0
DI
R_
MC
LK
SC
P1_M
O
SI
SDTO2
BICK2
LRCK2
CX_SDIN4
CX_SDIN3
CX_SDIN2
CX
_S
D
IN1
SDTO1
MCKO
VS
S
DQ1
5
DQ1
4
VSSQ
DQ1
3
DQ1
2
VDDQ
DQ1
1
DQ1
0
VSSQ
DQ9
DQ8
VDDQ
NC
UD
Q
M
CL
K
CK
E
NC
A9
A8
A7
A6
A5
A4
VS
S
VD
D
A3
A2
A1
A0
A10/
AP
BA
_C
S
_R
AS
_C
AS
_WE
LDQM
VDDQ
DQ7
DQ6
VSSQ
DQ5
DQ4
VDDQ
DQ3
DQ2
VSSQ
DQ1
DQ0
VD
D
DAI1_DATA3/DSD3
VDDA(3.3V)
XTI
PLL_REF_RES
SC
P1_C
LK
G
N
DD6
RE
SE
T
VDDI
O
6
EX
T_
CS
1#
G
N
DD5
EX
T_
O
E#
VDD5
EX
T_
A1
5
SD
_C
S#
SD
_R
AS#
SD
_C
AS#
SD
_W
E#
GND
IO
5
VDDIO5
GNDD4
VDD4
EXT_CS2#
GNDIO4
SD_A12/EXT_A12
VDD3
SD_CLKEN
SD_CLKOUT
SD_DQM1
SD_CLKIN
GNDIO3
VDDIO3
SD_D15/EXT_D15
SD_D0/EXT_D0
EXT_WE#
SD_D1/EXT_D1
GNDIO2
VDDI
O
2
G
N
DD2
SD
_D
Q
M
0
DBCK
DBDA
VDD2
GND
IO
1
G
N
DD1
VDD1
TE
ST
DAO2_D3/XMTB
GPIO3/DDAC
XMCK
CE
N
/S
U
B/
D
AO
02
FL
/FR
/D
AO
00
SL/SR/DA
O0
1
SBL/SBR/DA
O0
3
SD_D14/EXT_D14
SD_D13/EXT_D13
SD_D12/EXT_D12
SD_D11/EXT_D11
SD_D10/EXT_D10
SD_D8/EXT_D8
SD_D9/EXT_D9
SD_A11/EXT_A11
SD_A8/EXT_A8
SD_A9/EXT_A9
GNDD3
VDDIO4
SD_A7/EXT_A7
SD_A6/EXT_A6
SD_A5/EXT_A5
SD_A0/EXT_A0
SD_A1/EXT_A1
SD_A2/EXT_A2
SD_A4/EXT_A4
SD_A3/EXT_A3
SD
_B
A1/
EXT_A
14
SD
_B
A0/
EXT_A
13
SD
_A
10/
EXT_A
10
EX
T_
A1
6
EX
T_
A1
7
EX
T_
A1
9
EX
T_
A1
8
SD
_D
2/
EXT_D
2
SD
_D
3/
EXT_D
3
SD
_D
4/
EXT_D
4
SD
_D
5/
EXT_D
5
SD
_D
6/
EXT_D
6
SD
_D
7/
EXT_D
7
VDD8
GNDA
XTO
XTAL_OUT
SC
P1_M
IS
O
/S
D
A
SCP1_CS
DAI1_DATA2/DSD2
DAI1_DATA1/DSD1
DAI1_DATA0/DSD0
DAI1_SCLK/DSD-CLK
DAI1_LRCK/DSD4
DAI2_SCLK
DAI2LRCK/PREQ
DAI2_DATA/DSD5
GND
IO
6
PCP/SCP2_IRQ
A2/SCP2_MOSI
PCP/SCP2_CS
PCPDS/SCP2_CK
VDDIO7
GNDIO7
DAO2_D2
D
AO
2_D
1/
H
S4
DA
O
_M
CL
K
D
AO
2_D
0/
H
S3
D
AO
2_S
CL
K
D
AO
2_L
R
CL
K
D
AO
1_D
1/
H
S1
D
AO
1_D
2/
H
S2
D
AO
1_D
3/
XM
TA
D
AO
1_D
0/
H
S0
D
AO
1_S
CL
K
D
AO
1_L
R
CL
K
UART_CLK/EE_CS#
UART_TXD
UART_RXD
VDDI
O
1
GNDD8
VDDIO8
GNDIO8
DIGITAL AUDIO OUT DATA
VDD7
GNDD7
CS497** VDDIO * 8EA
CS497** VDD * 8EA
HDMI M_SW
H : B & HDMI on
L : A & HDMI off
GND
A8
A7
A6
A5
A4
A3
A2
A1
OE1
VCC
OE2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
ON : HIGH
Y.W.Y
L.J.H
K.M.S
SCP1_IRQ
SC
P1_P
CP
_B
SY
AS/SCP2_MISO
VDD6
CRJ10DJ1R0T
SC
P1_M
O
SI
DAI1_DATA3/DSD3
VDDA(3.3V)
XTI
PLL_REF_RES
SC
P1_C
LK
G
N
DD6
RE
SE
T
VDDI
O
6
EX
T_
CS
1#
G
N
DD5
EX
T_
O
E#
VDD5
EX
T_
A1
5
SD
_C
S#
SD
_R
AS#
SD
_C
AS#
SD
_W
E#
GND
IO
5
VDDIO5
GNDD4
VDD4
EXT_CS2#
GNDIO4
SD_A12/EXT_A12
VDD3
SD_CLKEN
SD_CLKOUT
SD_DQM1
SD_CLKIN
GNDIO3
VDDIO3
SD_D15/EXT_D15
SD_D0/EXT_D0
EXT_WE#
SD_D1/EXT_D1
GNDIO2
VDDI
O
2
G
N
DD2
SD
_D
Q
M
0
DBCK
DBDA
VDD2
GND
IO
1
G
N
DD1
VDD1
TE
ST
DAO2_D3/XMTB
GPIO3/DDAC
SD_D14/EXT_D14
SD_D13/EXT_D13
SD_D12/EXT_D12
SD_D11/EXT_D11
SD_D10/EXT_D10
SD_D8/EXT_D8
SD_D9/EXT_D9
SD_A11/EXT_A11
SD_A8/EXT_A8
SD_A9/EXT_A9
GNDD3
VDDIO4
SD_A7/EXT_A7
SD_A6/EXT_A6
SD_A5/EXT_A5
SD_A0/EXT_A0
SD_A1/EXT_A1
SD_A2/EXT_A2
SD_A4/EXT_A4
SD_A3/EXT_A3
SD
_B
A1/
EXT_A
14
SD
_B
A0/
EXT_A
13
SD
_A
10/
EXT_A
10
EX
T_
A1
6
EX
T_
A1
7
EX
T_
A1
9
EX
T_
A1
8
SD
_D
2/
EXT_D
2
SD
_D
3/
EXT_D
3
SD
_D
4/
EXT_D
4
SD
_D
5/
EXT_D
5
SD
_D
6/
EXT_D
6
SD
_D
7/
EXT_D
7
VDD8
GNDA
XTO
XTAL_OUT
SC
P1
_M
ISO
/SD
A
SCP1_CS
DAI1_DATA2/DSD2
DAI1_DATA1/DSD1
DAI1_DATA0/DSD0
DAI1_SCLK/DSD-CLK
DAI1_LRCK/DSD4
DAI2_SCLK
DAI2LRCK/PREQ
DAI2_DATA/DSD5
GND
IO
6
PCP/SCP2_IRQ
A2/SCP2_MOSI
PCP/SCP2_CS
PCPDS/SCP2_CK
VDDIO7
GNDIO7
DAO2_D2
D
AO
2_D
1/
H
S4
DA
O
_M
CL
K
D
AO
2_D
0/
H
S3
D
AO
2_S
CL
K
D
AO
2_L
R
CL
K
D
AO
1_D
1/
H
S1
D
AO
1_D
2/
H
S2
D
AO
1_D
3/
XM
TA
D
AO
1_D
0/
H
S0
D
AO
1_S
CL
K
D
AO
1_L
R
CL
K
UART_CLK/EE_CS#
UART_TXD
UART_RXD
VDDI
O
1
GNDD8
VDDIO8
GNDIO8
VDD7
GNDD7
SCP1_IRQ
SC
P1_P
CP
_B
SY
AS/SCP2_MISO
VDD6
NC
NC
NC
NC
CS49DV8C VDDIO * 8EA
CS49DV8C VDD * 8EA
CS
SO
WP
VSS
SI
SCK
HOLD
VDD
CS
SO
WP
VSS
SI
SCK
HOLD
VDD
REFGND
FROM JACK PCB
SDIN
DEM
/SCLK
LRCK
MCLK
VQ
FILT+
AOUTL
GND
VA
AOUTR
REC DAC PART (DSP DOWNMIX)
FROM HDMI RX AUDIO
TO HDMI TX AUDIO
<=> HD
M
I P
A
RT
ADC
INPUT
TXC
11.12.27
12.08.02
11.12.27
12.08.02
MULTI. LAB
ANAM
ISSUE
PMP
CUP12457Z
2012.05.31
2012.05.31
2012.06.05
2012.06.05
2012.06.05
2012.06.05
2012.06.05
R1929
1K
R1930
1K
C1942
10V
/22u
F
R
1925
0
C1941
0.
1
C1943
0.
1
R
1926
10
C1944
10u
F/
6.
3V
C1922
10u
F/
6.
3V
C1929
1000P
C1932
0.
022u
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
IC1901
CS42528-CQ
R
1935
3.
3K
R
1936
3.
3K
R1919
0
R1922
0
R
1923
1.
37K
(1%
)
R1920
0
C1918
1000P
C1917
0.1
R1917
100
C1928
10V
/22u
F
C1927
0.
1
R1921
0
C1926
0.
1
C1925
100/
16V
C1923
0.
1
C1924
10/
16V
C1920
10V
/22u
F
C1919
0.
1
C1930
0.
1
C1931
10V
/22u
F
R1918
100
R1947
220
C1963
0.
1
C1964
0.
1
C1965
0.1
C1966
0.
1
C1967
0.
1
C1968
0.
1
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
50
IC1912
CVIM12L16161A5TG2Q
R1948
5.1K (1%)
L1903
CLZ9R005Z
C1956
10V
/22u
F
C1957
0.
1
C1961
0.
1
R1939
100
R
1933
3.
3K
R1940
10K
C1985
0.
1
C1921
0.
1
R1965
82
R1949
33
R
1954
33
R1950
3.3K
R1951
3.3K
8
7
6
5
4
3
2
1
R
N
1906
33o
hm
(
1005S
IZ
E X
4)
,1
/16W
8
7
6
5
4
3
2
1
RN1907
33ohm (1005SIZE X 4),1/16W
8
7
6
5
4
3
2
1
RN1908
33ohm (1005SIZE X 4),1/16W
8
7
6
5
4
3
2
1
RN1909
33ohm (1005SIZE X 4),1/16W
8
7
6
5
4
3
2
1
RN1910
33ohm (1005SIZE X 4),1/16W
8
7
6
5
4
3
2
1
RN1911
33ohm (1005SIZE X 4),1/16W
8
7
6
5
4
3
2
1
RN1912
33ohm (1005SIZE X 4),1/16W
R1969
33
R
1959
33
R
1960
33
8
7
6
5
4
3
2
1
R
N
1914
33o
hm
(
1005S
IZ
E X
4)
,1
/16W
8
7
6
5
4
3
2
1
R
N
1915
33o
hm
(
1005S
IZ
E X
4)
,1
/16W
R1963
33
8
7
6
5
4
3
2
1
R
N
1905
33o
hm
(
1005S
IZ
E X
4)
,1
/16W
R1962
33
C1986
0.
1
C1987
0.
1
C1990
0.
1
C1989
0.
1
C1988
0.
1
C1984
0.
1
C1983
0.
1
C1991
0.
1
C1992
0.
1
C1996
0.
1
C1997
0.
1
C1998
0.
1
C1995
0.
1
C1994
0.
1
C1993
0.
1
8
7
6
5
4
3
2
1
RN1902
33ohm (1005SIZE X 4),1/16W
8
7
6
5
4
3
2
1
RN1901
33ohm (1005SIZE X 4),1/16W
L1902
CLZ9Z014Z
C1903
10V
/22u
F
C1904
0.
1
1
2
3
4
5
6
7
8
9
101
1
121
3
141
5
16
IC1909
HVITC74VHC157FT
C1954
0.
1
R1928
56
R1931
33
1
2
3
4
5
6
7
8
9
10
11
12
15
16
17
18
19
20
14
13
IC1908
CVITC74VCX541FT
Q1901
T1N241C
C1955
0.1
R1955
10K
8
7
6
5
4
3
2
1
R
N
1904
33o
hm
(
1005S
IZ
E X
4)
,1
/16W
R
1934
10K
R1993
10K
C1960
0.
1
R
1932
10K
R
1938
3.
3K
R
1937
3.
3K
1
2
3
4
5
6
7
8
IC1907 CVIMX25L8006EM2I-12G
R
1952
10K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
9
6
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
IC1902
CVICS497024CVZ
R1968
33
R1967
33
R1980
5.1K (1%)
R1975
3.3K
R
1985
33
R1981
3.3K
R1982
3.3K
8
7
6
5
4
3
2
1
R
N
1917
33o
hm
(
1005S
IZ
E X
4)
,1
/16W
R
1988
33
R
1987
33
8
7
6
5
4
3
2
1
RN1913
33ohm (1005SIZE X 4),1/16W
R
1984
10K
128
127
126
125
124
123
122
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
IC1910
CVICS49DV8CCVZ
C1971
0.
1
R1977
100
L1904
CLZ9R005Z
C1973
10V
/22u
F
C1974
0.
1
R1961
33
C2001
0.
1
C2002
0.
1
C2003
0.
1
C2006
0.
1
C2005
0.
1
C2004
0.
1
C2000
0.
1
C1999
0.
1
C2007
0.
1
C2008
0.
1
C2012
0.
1
C2013
0.
1
C2014
0.
1
C2011
0.
1
C2010
0.
1
C2009
0.
1
R
1971
3.
3K
R
1972
10K
R1974
10K
C1970
0.
1
R
1970
10K
1
2
3
4
5
6
7
8
IC1911
CVIMX25L8006EM2I-12G
R
1953
0
R
1986
0
R
1973
3.
3K
R1976
10K
R1979
75
C1972
15P
8
7
6
5
4
3
2
1
R
N
1916
10K
X4
R1941
3.3K
R1942
10K
R
1958
10K
R1957
10K
R1956
10K
R1946
33
R1995
47
R1996
47
R1945
0
R
1927
33
L1901
CLZ9Z014Z
C1901
10V
/22u
F
C1902
0.
1
R1978
0
R1983
0 (NC)
C1940
0.
01u
F
C1939
0.
01u
F
C1938
0.
01u
F
C1937
0.
01u
F
C1936
0.
01u
F
C1935
0.
01u
F
C1934
0.
01u
F
C1933
0.
01u
F
TP3
R
1924
33
5
61
0
9
8
7
43
21
IC1906
CVICS4344CZZR
C1949
10V
/22u
F
C1950
0.
1
C1951
10/
16V
C1952
10/
16V
C1953
0.
1
C1947
10/16V
C1948
10/16V
R
1991
10K
R1989
470
C1945
100P
R
1992
10K
R1990
470
C1946
100P
87
6
5
43
2
1
RN1903
33ohm (1005SIZE X 4),1/16W
C1910
10/16V
C1911
0.1
R1916
2.7K
C1916
10/16V
R1915
2.7K
8
7
6
5
4
3
2
1
IC1905
NJM2115
R1913
2.7K
C1915
150P
R
1912
4.
7K
R1911
4.7K
C1912
100P
R1914
100
C1913
2700P
R1910
100
C1914
0.
1
C1907
0.
1
R1901
100
C1905
2700P
R1905
100
C1906
100P
R1902
4.7K
R
1904
4.
7K
C1908
150P
R1903
2.7K
8
7
6
5
4
3
2
1
IC1904
NJM2115
R1906
2.7K
C1909
10/16V
R1907
2.7K
R1909
3.9K
R1908
4.7K
R1944
1M
R1943
0
1
23
4
X1901
24.
576M
C1958
10P
C1959
10P
C1979
0.1uF
C1980
0.1uF
C1981
0.1uF
C1982
0.1uF
C1975
0.1uF
C1976
0.1uF
C1977
0.1uF
C1978
0.1uF
87
65
43
21
RN1918
33ohm (1005SIZE X 4),1/16W
R1994
33
C1652
0.1uF
C1651
0.1uF
TP5
7
R1997
0
R1998
0
R1999
0
R2000
0
DA
7
DA
6
DA
5
DA
4
DA
3
DA
2
DA
1
DA
0
DA
O0
0
DA
O0
2
DA
O0
1
DA
O0
3
DA
15
DA
13
DA
12
DA
11
DA
10
DA
9
DA
8
+5VD_DSP
+3V3
+3V3
+5VD_DSP
+5VD_DSP
DIR_RESET
D_BL-
D_BR-
D_CT-
D_SW-
D_SL-
D_SR-
D_FL-
D_FR-
+5VD_DSP
DIR_CE
+3V
3
+3V
3
+3V
3
+3V
3
+3V
3
+3V
3
SCP1_CS
SCP1_IRQ
DIR_MISO
+3V
3
DSP1_RESET
+1V8_1
D_FR+
D_FL+
D_SR+
D_SL+
D_SW+
D_CT+
D_BR+
D_BL+
+1V8_1
SCP1_BSY
+3V3
+1V8_1
SCP1_MISO
+3V3
+3V3
+1V8_1
+3V
3
+1V8_1
+3V3
+1V8_1
+3V3
+3V3
+3V3
+3V
3
+3V3
DSP_CODEC_CLK
DSP_CODEC_MOSI
+1V8_1
+1V8_1
+3V3
+1V8_1
D
A[
0:
50]
DAO[00:08]
D
A[
0:
50]
DA[0:50]
+1V8_2
HDMI_MCK_SW
+3V3
HDMI_TX_AUDIO_SW
+3V3
+3V3
+3V3
+3V3
+3V3
DA
15
DA
14
DA
13
DA
12
DA
11
DA
10
DA
O0
7
DA
O0
6
DA
O0
5
DA
O0
4
DA
16
DA
17
DA
18
DA
19
DA
20
DA
21
DA
22
DA
23
DA
24
DA
25
DA
26
DA
27
DA
28
DA
29
DA
30
DA
31
DA
32
DA
33
DA
34
DA
35
DA0
DA1
DA2
DA3
DA4
DA5
DA6
DA7
DA8
DA9
DA16
DA17
DA18
DA19
DA20
DA21
DA22
DA23
DA24
DA25
DA26
DA27
DA28
DA[0:50]
DA
31
DA
32
DA
33
DA
34
DA
30
DA
29
+1V8_2
+1V8_2
+3V3
+1V8_2
+3V3
+1V8_2
+3V3
+1V8_2
+3V3
+1V8_2
+3V3
+3V3
+3V3
+3V
3
+3V3
+1V8_2
+1V8_2
+3V3
+3V3
DSP2_RESET
DSP_CODEC_MOSI
SCP1_BSY
DSP_CODEC_CLK
SCP2_CS
SCP2_IRQ
SCP1_MISO
DSP1_XTALOUT
DSP1_XTALOUT
+3V3
DA
O0
0
DA
O0
1
DA
O0
2
DA
O0
3
DAO[00:08]
DAO04
DAO05
DAO06
DAO07
DSP1_DAO1_SCLK
DSP1_DAO1_SCLK
DA35
DSP1_DAO1_LRCK
DSP1_DAO1_LRCK
D
SP
2_D
AO
1_S
CL
K
D
SP
2_D
AO
1_L
R
CK
DSP2_DAO1_LRCK
DSP2_DAO1_SCLK
D
SP
1_M
CL
K
D
SP
1_M
CL
K
+3V3
+1V8_2
+3V3
DA
14
D
SP
1_M
O
D
E
+3V3
DA
O0
0
DA
O0
1
DA
O0
2
+3V3
+1V8_1
+1.8V_DSP
+1.8V_DSP
OPT1
OPT2
COAX1
860SPDIF
HDMI_RX_SPDIF
CODEC_MUTE
DSP_DOWNMIX_R
DSP_DOWNMIX_L
+5VD_DSP
AGND
HDMI_SDATA0
HDMI_SDATA1
HDMI_SDATA2
HDMI_SDATA3
HDMI_LRCK
HDMI_SCLK
HDMI_MCLK
DSP_SPDIF
DSP_MCLK
DSP_DATA0
DSP_LRCK
DSP_SCLK
AD_RIN
AD_LIN
+5VD_DSP
+5VD_DSP
ARC_SPDIF2
ARC_SPDIF1
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
CHGND
AGND
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 169: ...AVRX70_JACK BD_MP_CUP12460Z_A sch 1 Fri Jul 13 16 07 54 2012...
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