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CR-245
SCHEMATIC DIAGRAMS - 5
AUDIO DSP / AMP. (MAIN PCB)
CR-245
A
1
2
3
4
5
B
C
D
E
F
G
H
6
7
8
I
J
K
47
48
37
38
24
23
14
13
47
48
37
38
24
23
14
13
SDATA3
BCK3
DATA_FROM_ADC
SDATA3
BCK3
LRCK3
AMP_RESET
SDA2
SCL2
AMP_SLEEPN
AMP_ERROR_DET
BCK
MCK
BC
K
DA
TA
_F
RO
M_
DS
P
WC
K
GND
HP_DET
USB_POW
S9V
S5V
S3.3V
S1.8V
PVDD
SCL2
MC
MD
ML
USB_FAULT
S4.5V
WCK
AM
P_
MU
TE
_S
D3.3V
AT3.3V
SDA2
S3
.3
V
MC
K
DA
TA
_F
RO
M_
DS
P
BC
K
WC
K
MD MC ML MC
K
D3.3V
S4
.5
V
S1
.8
V
AMP_RESET
LRCK3
HP
_D
ET
AT
3.
3V
AM
P_
MU
TE
_S
AM
P_
ER
RO
R_
DE
T
AMP_DET
HP_MUTE
AMP_SLEEPN
S4
.5
V
PVDD
S3.3V
S3
.3
V
GND
S9
V
S5
V
S9
V
AMP_DET
US
B_
FA
UL
T
US
B_
PO
W
AT
3.
3V
GN
D
S3
.3
V
HP
_M
UT
E
PO
WE
R_
FA
IL
POWER_FAIL
R2001
1M 1/16W
1005
X2001
24.576MHz
C2
00
6
8P
C
H
10
05
50
V
C2
00
7
8P
C
H
10
05
50
V
B2001
FCM1608KF-102T02
C2008 0.1 B
1005
10V
C2
00
9
0.
1
B
10
05
10
V
C2010 0.1 B
1005
10V
B2002
FCM1608KF-102T02
C2011 0.1 B
1005
10V
C2012
0.1 B
1005
10V
C2013
0.1 B
1005
10V
L2001
15uH_CDRH104R
L2002
15uH_CDRH104R
L2003
15uH_CDRH104R
L2004
15uH_CDRH104R
C2014
0.22 B
2125
25V
C2015
0.22 B
2125
25V
C2
01
6
0.
1
B
16
08
50
V
C2
01
7
0.
1
B
16
08
50
V
C2
01
8
0.
1
B
16
08
50
V
C2
01
9
0.
1
B
16
08
50
V
C2
02
0
1
B 16
08
25
V
C2
02
1
1
B 16
08
25
V
C2
02
2
1
B 1
60
8
25
V
C2
02
3
1
B 16
08
25
V
C2026
0.1 B 1005
10V
C2027
4.7 B1608
6.3V
C2028
0.1 B
1005
10V
R2004 10K 1/16W 1005
R2005 10K 1/16W 1005
R2006 10K 1/16W 1005
R2008 10K 1/16W 1005
R2011 10K 1/16W 1005
R2012 47K 1/16W 1005
R2013 47K 1/16W 1005
R2016 33 1/16W 1005
R2017 33 1/16W 1005
IC
20
01
YS
S9
51
-S
ZE
2
DVSS
1
GPIO6
2
GPIO5
3
GPIO4
4
GPIO3
5
DVDD18
6
GPIO2
7
GPIO1
8
GPIO0
9
IC_N
10
PLLDVDD
11
PLLDVSS
12
PL
LA
VD
D
13
PL
LA
VS
S
14
Xo
ut
15
Xi
n
16
DV
DD
3
17
SD
A
18
SC
L
19
DV
SS
20
TE
ST
21
NC
22
NC
23
NC
24
NC
25
NC
26
TEST1
27
NC
28
NC
29
NC
30
NC
31
NC
32
NC
33
NC
34
NC
35
NC
36
NC
37
NC
38
NC
39
NC
40
DV
SS
41
DV
DD
18
42
GP
IO
11
43
GP
IO
10
44
GP
IO
9
45
GP
IO
8
46
GP
IO
7
47
DV
DD
3
48
C2039 100P CH
1005
50V
C2
03
5
12
0P
C
H
10
05
50
V
C2
03
8
12
0P
C
H
10
05
50
V
R2036
11K 1/16W
1005
R2041
9.1K 1/16W
1005
R2046
11K 1/16W 1005
R2040
9.1K 1/16W
1005
R2042
62K 1/16W +-1%
1005
R2037
11K 1/16W
1005
R2043
62K 1/16W +-1%
1005
R2039
11K 1/16W 1005
CP2002
A2001WV-6A
5
ENABLE
4
HEADPHONE DET
1
HP_L
2
HP_R
3
GND
6
FAULT
C2044
10 B
2125
10V
C2045
10 B
2125
10V
R2047
22K 1/16W
1005
R2048
22K 1/16W
1005
IC
20
05
NJ
M4
56
5M
(T
E1
)
1
2
3
4
-V
S
5
6
7
8
+V
S
R2049
30K 1/16W
1005
C2047
10 B
2125
16V
R2
05
2
10
K
1/
16
W
+-
1%
10
05
R2
05
3
10
K
1/
16
W
+-
1%
10
05
C2048
10 B
2125
10V
C2
05
0
10
B
21
25
10
V
PCM1742KE/2K
IC7006
1
BCKIN
2
DATA
3
LRCKIN
4
GND
5
VDD
6
VCC
7
VOUT_L
8
VOUT_R
9
AGND
10
VCOM
11
ZEROR
12
ZEROL
13
MD
14
MC
15
ML
16
MCLK
J2001
AV-53-05H
1 E
2
H
J2002
PTB-403-01
3
1
2
4
C2051
680P CH
1005
50V
R2055
22K 1/16W
1005
C2
05
2
10
B
21
25
10
V
R2
05
6
10
K
1/
16
W1
00
5
R2
05
7
27
K
1/
16
W
10
05
C2
05
3
15
0P
C
H
10
05
50
V
C2
05
4
10
0P
C
H
10
05
50
V
R2058
39K 1/16W
1005
R2059
47K 1/16W
1005
C2
05
5
10
0P
C
H
10
05
50
V
R2
06
0
47
K
1/
16
W
10
05
R2
06
1
47
K
1/
16
W1
00
5
R2
06
2
47
K
1/
16
W
10
05
C2
05
6
68
P
CH
10
05
50
V
C2
05
7
68
P
CH
10
05
50
V
R2063
15K 1/16W
1005
R2064
15K 1/16W
1005
WCK
(6)
MCK
(6)
BCK
(6)
MC
(2)
SDATA3
(6)
MD
(2)
BCK3
(6)
GND
(1;2;3;4;6;7;8;9;10)
LRCK3
(6)
C2037
100P CH
1005
50V
ML
(2)
D2001
DA2J10100L
D2002
DA2J10100L
D2003
DA2J10100L
Q2
00
3
KT
A1
50
4S
_Y
_R
TK
1
B
2
C
3
E
Q2004
2SD1306NE
1
B
2 C
3 E
R2
06
8
47
0
1/
16
W
10
05
R2069
4.7K 1/16W 1005
R2070
220 1/16W
1608
D2004
DA2J10100L
R2
07
2
4.
7K
1
/1
6W
10
05
R2
07
3
2.
2K
1
/1
6W
10
05
R2
07
4
10
K
1/
16
W
10
05
R2075
220 1/16W
1608
R2
07
6
33
0
1/
16
W
10
05
Q2002
KRC407-RTK/P
1
B
2
C
3
E
Q2
00
1
KR
C4
07
-R
TK
/P
1
B
2
C
3
E
Q2
00
8
KR
A1
02
SR
TK
1
B
2
C
3
E
R2
08
12
2
1/
16
W
10
05
R2
08
22
2
1/
16
W
10
05
R2
08
32
2
1/
16
W
10
05
R2
08
42
2
1/
16
W
10
05
R2089
10K 1/16W
1005
R2090
10K 1/16W
1005
R2091
10K 1/16W
1005
C2
05
8
0.
1
B
10
05
10
V
R2010 4.7K 1/16W 1005
R2009 68K 1/16W 1005
C2029
10 B
2125
10V
C2
03
0
10
B 21
25
10
V
C2
03
1
10
B
21
25
10
V
C2032
10 B
2125
10V
C2033
10 B
2125
10V
C2
04
0
10
B 21
25
16
V
C2042
16V470 MHE_P
C2043
16V470 MHE_P
IC
20
04
NJ
M4
56
5M
(T
E1
)
1
2
3
4
-V
S
5
6
7
8
+V
S
C2
05
9
1
B
16
08
25
V
C2
06
0
10
B
21
25
10
V
C2
06
1
10
B
32
16
25
V
C2
06
2
10
B 32
16
25
V
C2
06
3
10
B
32
16
25
V
C2
06
4
10
B
32
16
25
V
W9
04
C2065
0.1 B
1005
10V
C2066
0.1 B
1005
10V
C2067
0.1 B 1005
10V
R2
09
2
10
K
1/
16
W1
00
5
C2
06
8
10
B
21
25
10
V
C2
06
9
10
B
21
25
10
V
C2070 0.1 B
1005
10V
C2071 0.1 B
1005
10V
C2
07
2
0.
1
B
10
05
10
V
C2073
0.1 B
1005
10V
C2074
0.1 B
1005
10V
C2075
0.1 B
1005
10V
C2076
0.1 B
1005
10V
C2
07
7
1
B
16
08
25
V
C2
07
8
1
B
16
08
25
V
C2079
0.01 B
1005
25V
R2093
1.2K 1/16W
1005
R2094
1.2K 1/16W1005
Q2
01
1
KT
A1
50
4S
_Y
_R
TK
1
B
2 C
3 E
Q2
01
2
KT
A1
50
4S
_Y
_R
TK
1
B
2 C
3 E
R2
09
5
10
K
1/
16
W
10
05
R2
09
6
10
K
1/
16
W
10
05
R2
09
7
1.
2K
1
/1
6W
10
05
R2
09
8
1.
2K
1
/1
6W
10
05
Q2013
KRC102SRTK
1
B
2 C
3 E
Q2
01
0
KT
C2
87
5-
B
1
B
2 C
3 E
R2
10
1
3.
3K
1
/1
0W
21
25
R2
10
2
20
K
1/
16
W
16
08
R2103
47K 1/16W 1608
C2080
0.0047 B
1005
50V
Q2015
KTA1504S_Y_RTK
1 B
2
C
3
E
R2
10
4
2.
7K
1
/1
0W
21
25
R2
10
5
3.
3K
1
/1
0W
21
25
R2107
150 1/16W 1608
R2108
2.7K 1/16W 1608
C2081
1 B 1608
25V
C2082
4.7 B
2125
25V
C2083
1 B 1608
25V
R2109
47K 1/16W
1608
Q2
01
6
KT
C3
87
5S
_Y
_R
TK
1
B
2
C
3
E
R2110
10K 1/16W 1608
R2111
10K 1/16W 1608
R2112
10K 1/16W 1608
C2
08
4
1
B
16
08
25
V
C2
08
5
1
B
16
08
25
V
R2
11
3
10
K
1/
16
W
16
08
R2114
10K 1/16W
1608
Q2017
KTC3875S_Y_RTK
1
B
2
C
3
E
R2
11
5
10
K
1/
16
W
10
05
C2
08
6
0.
00
1
B
16
08
50
V
D2005
DA2J10100L
Q2
00
9
KT
C2
87
5-
B
1
B
2 C
3 E
R2116
5.6K 1/16W
1005
A2001WV-4A
CP2003
4
HEADPHONE DET
1
HP_L
2
HP_R
3
GND
R2117
68 1/16W 1608
R2118
68 1/16W 1608
R2099
4.7K 1/16W1005
C2
08
7
10
0P
C
H
10
05
50
V
C2
08
8
10
0P
C
H 1
00
5
50
V
L2005
15uH_7210
L2006
15uH_7210
L2007
15uH_7210
L2008
15uH_7210
C2
08
9
10
0P
C
H
10
05
50
V
C2
09
0
10
0P
C
H
10
05
50
V
C2
02
5
25
V4
70
M
HE
_P
IC
20
02
YD
A1
63
C-
SZ
E2
NC
1
NC
2
AVSS
3
VREF
4
REFA
5
DVDD
6
MCK
7
SDATA
8
SCLK
9
LRCLK
10
DVSS
11
NC
12
PV
SS
R
13
PV
DD
PR
14
PV
DD
PR
15
OU
TP
R
16
OU
TP
R
17
PV
SS
R
18
PV
SS
R
19
OU
TM
R
20
OU
TM
R
21
PV
DD
MR
22
PV
DD
MR
23
PV
SS
R
24
NC
25
NC
26
HOPP
27
PLIMIT
28
SLEEPN
29
PROTN
30
MUTEN
31
CKMOD
32
GAIN0
33
GAIN1
34
MONO
35
NC
36
PV
SS
L
37
PV
DD
ML
38
PV
DD
ML
39
OU
TM
L
40
OU
TM
L
41
PV
SS
L
42
PV
SS
L
43
OU
TP
L
44
OU
TP
L
45
PV
DD
PL
46
PV
DD
PL
47
PV
SS
L
48
R2106
8.2 1/16W 1608
C2
02
4
25
V4
70
M
HE
_P
S9V
(6;9)
S5V
(6;8;10)
S4.5V
(6)
S3.3V
(2;6;7;10)
S1.8V
(10)
PVDD
(10)
D3.3V
(1;3;4;7;10)
AT3.3V
(2;9;10)
DATA_FROM_ADC
(6)
AMP_RESET
(2;6;7)
SDA2
(2;7)
SCL2
(2;7)
HP_MUTE
(2)
AMP_DET
(2)
AMP_SLEEPN
(2)
AMP_ERROR_DET
(2)
USB_FAULT
(2)
USB_POW
(2)
HP_DET
(2)
AMP_MUTE
(2)
EXT_AUDIO_MUTE
(2)
XAMUTE
(3)
AV_SW3
(2;6)
R2100 4.7K 1/16W 1005
C2
09
1
0.
00
1
B
10
05
50
V
C2
09
2
0.
00
1
B
10
05
50
V
R2119
1.2K 1/16W 1005
R2120
4.7K 1/16W 1005
Q2018
KRC103SRTK
1
B
2
C
3
E
R2121
1.2K 1/16W 1005
D2006
DA2J10100L
D2007
DA2J10100L
D2
00
8
DA
2J
10
10
0L
W9
41
POWER_FAIL
(2;9)
NC
NC
NC
NC
NC
NC
NC
AMP
Black
Woofer OUT
SPEAKER OUT JACK
from/to FRONT JACK
AMP Lch/P OUT
AMP Lch/M OUT
AMP Rch/M OUT
AMP Rch/P OUT
+
-
B
A
+
-
B
+
-
A
+
-
W8
20
D
EL
W821/W822 DEL
W823/W824/W825 DEL
W897 DEL
W898 DEL
W8
99
D
EL
W900 DEL
AU
DI
O
DS
P
PO
WE
R
AM
P
HE
AD
PH
ON
E
Pr
e
AM
P
HE
AD
PH
ON
E
&
Bi
as
P
re
A
MP
Audio DAC
Wo
of
er
M
UT
E
SW
Woofer MUTE SW
Woofer MUTE SW
AM
P
MU
TE
HE
AD
PH
ON
E
MU
TE
HE
AD
PH
ON
E
MU
TE
HE
AD
PH
ON
E
MU
TE
HE
AD
PH
ON
E
MU
TE
AMP DET OUT
SPEAKER MONITOR
SP
EA
KE
R
MO
NI
TO
R
CAUTION
ATTENTION
AUDIO DSP/AMP SCHEMATIC DIAGRAM
( MAIN PCB )
!
DESCRIBED IN PARTS LIST ONLY.
CRITICAL FOR SAFETY,USE ONES
!
SINCE THESE PARTS MARKED BY ARE
:
DANS LA NOMENCLATURE DES PIECES.
N'UTILISER QUE CELLS DECRITES
DANGERUSES AN POINT DE VUE SECURITE
!
LES PIECES REPAREES PAR UN ETANT
:
CAUTION:DIGITAL TRANSISTER
CAUTION:DIGITAL TRANSISTER
Summary of Contents for CR-245
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