CR-245WDC
SCHEMATIC DIAGRAMS - 5
AUDIO DSP / AMP. (MAIN PCB)
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
SW_SDATA
SW_SCLK
SW_SCLK
SW_LRCK
DA
TA
_F
RO
M_
DS
P
USB_POW
S9V
S5V
S3.3V
S1.8V
PVDD
MC
MD
ML
S4.5V
AM
P_
MU
TE
_S
D3.3V
AT3.3V
S3
.3
V
MD MC ML
D3.3V
AMP_RESET
SW_LRCK
HP
_D
ET
AM
P_
MU
TE
_S
AM
P_
ER
RO
R_
DE
T
AMP_SLEEPN
S4
.5
V
S5
V
S9
V
AMP_DET
US
B_
FA
UL
T
US
B_
PO
W
AT
3.
3V
S3
.3
V
HP
_M
UT
E
PO
WE
R_
FA
IL
AUX_SCLK
AUX_LRCK
S1
.8
V
AUX_SCLK
LR
CK BC
K
AMP_SLEEPN
AMP_DET
POWER_FAIL
HP_DET
USB_FAULT
AMP_ERROR_DET
HP_MUTE
SDA2
SCL2
AMP_RESET
DSP_MCK1
TU_SCLK
TU_LRCK
AMP_MCK
MCK
S4
.5
V
DA
TA
_F
RO
M_
DS
P
LR
CK
BC
K
AT
3.
3V
S9
V
AUX_SDATA
TU_LRCK
TU
_S
DA
TA
TU
_S
CL
K
AUX_LRCK
PV
DD
SD
A2
SC
L2
DS
P_
MC
K1
TU_SDATA
AUX_SDATA
SW_SDATA
AM
P_
MC
K
MC
K
LRCK
BCK
SW2_SDATA
MCK_OUT
DS
P_
MC
K2
DSP_MCK2
GN
D
S3
.3
V
S3
.3
V
B2002
FCM1608KF-102T02
1608
B2001 FCM1608KF-102T02 1608
C2009
0.1 B
10V
1005
C2010
0.1 B 1005
10V
C2008
0.1 B 1005
10V
C2011
0.1 B 1005
10V
C2012
0.1 B
10V
1005
C2013
0.1 B 1005
10V
C2
09
2
0.
00
1
B
10
05
50
V
C2
09
3
22
P
CH
50
V
10
05
C2014
0.22 B
2125
50V
C2015
0.22 B 2125
50V
C2
01
6
0.
1
B
16
08
50
V C
20
17
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
16
08
25
V
C2
02
3
1
B
16
08
25
V
C2026
0.1 B 1005
10V
C2027
4.7 B 1608
6.3V
C2028
0.1 B
1005
10V
C2
08
8
0.
00
1
B
50
V 1
00
5
C2
08
7
0.
00
1
B
50
V 1
00
5
C2
08
6
0.
00
1
B
16
08
50
V
C2
08
4
1
B
16
08
25
V
C2081
1 B 1608
25V
C2080
0.0047 B 1005
50V
C2079
0.01 B
25V
1005
C2
03
5
12
0P
C
H
10
05
50
V
C2
03
8
12
0P
C
H
10
05
50
V
C2044
10 B 2125
10V
C2045
10 B 2125
10V
C2047
10 B
2125
16V
C2048
10 B
2125
10V
C2
05
0
10
B
21
25
10
V
C2051
680P CH
1005
50V
C2
05
9
1
B
16
08
10
V
C2
04
0
10
B
21
25
16
V
C2
05
3
15
0P
CH
50
V
10
05
C2
05
4
10
0P
C
H
50
V
10
05
C2033
10 B
2125
10V
C2032
10 B
2125
10V
C2
03
1
10
B
21
25
10
V
C2
03
0
10
B 21
25
10
V
C2029
10 B
2125
10V
C2
05
6
68
P
CH
10
05
50
V
C2
05
7
68
P
CH
10
05
50
V
C2095
1 B 1608
10V
C2
09
1
0.
00
1
B
10
05
50
V
C2
05
8
0.
1
B
10
05
10
V
C2
02
4
25
V4
70
M
HE
_P
C2
02
5
25
V4
70
M
HE
_P
C2043
16V470 MHE_P
C2042
16V470 MHE_P
CP2002
A2001WV-6A
5
ENABLE
4
HEADPHONE DET
1
HP_L
2
HP_R
3
GND
6
FAULT
D2001
DA2J10100L
@Chip_
D2005
DA2J10100L
@Chip_
D2003
DA2J10100L
@Chip_
D2
00
8
DA
2J
10
10
0L
@C
hi
p_
D2002
DA2J10100L
@Chip_
D2004
DA2J10100L
@Chip_
D2007
DA2J10100L
@Chip_
D2006
DA2J10100L
@Chip_
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
IC2001
YSS951-SZE2
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
IC
20
04
NJ
M4
56
5M
(T
E1
)
1A
O
UT
PU
T
2
A-
IN
PU
T
3
A+
IN
PU
T
4
-V
S
5
B+
IN
PU
T
6
B-
IN
PU
T
7
B
OU
TP
UT
8
+V
S
IC
20
05
NJ
M4
56
5M
(T
E1
)
1A
O
UT
PU
T
2
A-
IN
PU
T
3
A+
IN
PU
T
4
-V
S
5
B+
IN
PU
T
6
B-
IN
PU
T
7
B
OU
TP
UT
8
+V
S
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-53-05Z1
1 E
2
H
J2002
PTB-403V-01
3
1
2
4
W864
1005
0
W9
08
10
05
0
W926
1608
0
W942
1005
0
L2004
15uH_CDRH104R
L2003
15uH_CDRH104R
L2002
15uH_CDRH104R
L2001
15uH_CDRH104R
Q2
00
3
KT
A1
50
4S
_Y
_R
TK
1
B
2
C
3
E
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
Q2015
KTA1504S_Y_RTK
1 B
2
C
3
E
Q2
00
4
2S
D1
30
6N
E
1 B
2
C
3
E
Q2
01
6
KT
C3
87
5S
_Y
_R
TK
1
B
2
C
3
E
Q2017
KTC3875S_Y_RTK
1
B
2
C
3
E
Q2
00
9
KT
C2
87
5-
B
1
B
2 C
3 E
Q2
01
0
KT
C2
87
5-
B
1
B
2 C
3 E
Q2018
KRC103SRTK
1
B
2
C
3
E
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
Q2013
KRC101S-RTK
1
B
2 C
3 E
R2
06
1
47
K
1/
16
W1
00
5
R2048
22K 1/16W
1005
R2047
22K 1/16W
1005
R2
06
2
47
K
1/
16
W
10
05
R2063
15K 1/16W
1005
R2128
22 1/16W 1005
R2039
11K 1/16W 1005
R2043
62K 1/16W +-1%
1005
R2037
11K 1/16W
1005
R2042
62K 1/16W +-1%
1005
R2040
9.1K 1/16W
1005
R2046
11K 1/16W 1005
R2041
9.1K 1/16W
1005
R2036
11K 1/16W
1005
R2129
220 1/16W 1005
R2093
1.2K 1/16W
1005
R2064
15K 1/16W
1005
R2
09
5
10
K
1/
16
W
10
05
R2
09
6
10
K
1/
16
W
10
05
R2
09
7
39
0
1/
16
W
10
05
R2
09
8
39
0
1/
16
W
10
05
R2049
30K 1/16W
1005
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
R2
01
7
33
1
/1
6W
10
05
R2
10
4
2.
7K
1/
10
W
21
25
R2
10
5
3.
3K
1
/1
0W
21
25
R2107
150 1/16W
1608
R2108
5.6K 1/16W 1608
R2
01
6
33
1/
16
W
10
05
R2
05
2
10
K
1/
16
W
+-
1%
10
05
R2012 47K 1/16W
1005
R2109
47K 1/16W
1608
R2
05
3
10
K
1/
16
W
+-
1%
10
05
R2110
10K 1/16W 1608
R2111
10K 1/16W 1608
R2112
10K 1/16W 1608
R2011 10K 1/16W 1005
R2
11
3
10
K
1/
16
W
16
08
R2114
10K 1/16W
1608
R2
06
0
47
K
1/
16
W
10
05
R2
11
5
10
K
1/
16
W
10
05
R2006 10K 1/16W 1005
R2091
10K 1/16W
1005
R2059
47K 1/16W
1005
R2116
5.6K 1/16W
1005
R2090
10K 1/16W
1005
R2117
68 1/16W 1608
R2118
68 1/16W 1608
R2004 10K 1/16W 1005
R2089
10K 1/16W
1005
R2
08
4
22
1
/1
6W
10
05
R2
08
3
22
1
/1
6W
10
05
R2
08
2
22
1
/1
6W
10
05
R2055
22K 1/16W
1005
R2
05
6
10
K
1/
16
W
10
05
R2127
10K 1/16W +-1%
1005
R2126
10K 1/16W +-1%
1005
R2
07
6
33
0
1/
16
W
10
05
R2075
220 1/16W
1608
R2058
39K 1/16W
1005
R2
07
4
10
K
1/
16
W
10
05
R2
07
3
2.
2K
1
/1
6W
10
05
R2125
5.6K 1/16W 1608
R2
07
2
4.
7K
1/
16
W
10
05
R2070
220 1/16W
1608
R2
12
2
3.
3K
1
/1
6W
10
05
R2069
4.7K 1/16W 1005
R2
06
8
47
0
1/
16
W
10
05
R2013
47K 1/16W 1005
R2
13
0
22
0
1/
16
W
10
05
R2
13
2
22
0
1/
16
W
10
05
R2121
680 1/16W
1005
R2
05
7
27
K
1/
16
W
10
05
R2119
1.2K 1/16W 1005
R2094
1.2K 1/16W
1005
MD
(2)
MC
(2)
GND
(1;2;3;4;6;7;8;9;10)
ML
(2)
TU_SDATA
(6;8)
POWER_FAIL
(2;9)
AUX_SCLK
(6)
AUX_LRCK
(6)
SW_SCLK
(6)
SW_LRCK
(6)
DSP_MCK1
(6)
TU_SCLK
(8)
TU_LRCK
(8)
AMP_SLEEPN
(2)
MCK
(6)
HP_MUTE
(2)
SCL2
(2;7)
AUX_SDATA
(6)
AMP_RESET
(2;6;7)
AT3.3V
(2;9;10)
D3.3V
(1;3;4;7;10)
PVDD
(10)
S1.8V
(10)
S3.3V
(2;6;7;8;10)
SW2_SDATA
(6)
SW_SDATA
(6)
USB_POW
(2)
AMP_MUTE
(2)
EXT_AUDIO_MUTE
(2)
XAMUTE
(3)
AMP_MCK
(6)
AV_SW3
(2;6)
S5V
(6;10)
S9V
(6;9)
SDA2
(2;7)
DSP_MCK2
(6)
MCK_OUT
(6)
BCK
(6;8)
LRCK
(6;8)
HP_DET
(2)
USB_FAULT
(2)
S4.5V
(6)
AMP_DET
(2)
AMP_ERROR_DET
(2)
11/08/24
NC
NC
NC
NC
NC
NC
AM
P
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
+
-
AUDIO DSP
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
MU
TE
S
W
Wo
of
er
M
UT
E
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
R2128/R2129
IC7002
MUTE SW
FROM/TO FRONT JACK PCB
MP SHORT
W899/W945
MP SHORT
W917/W902
MP DEL
W905
MP SHORT
R2100
W904
MP SHORT
Q2008
MP DEL
C2094 DEL
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
AUDIO SIGNAL
Summary of Contents for CR-245
Page 16: ...CR 245 SCHEMATIC DIAGRAMS 14 POWER POWER PCB CR 245 A 1 2 3 4 5 B C D E F G H 6 7 8 I J K...
Page 33: ...CR 245WDC SCHEMATIC DIAGRAMS 15 POWER SUPPLY POWER PCB A 1 2 3 4 5 B C D E F G H...
Page 34: ...CR 245WDC SCHEMATIC DIAGRAMS 16 OPERATION USB OPERATION PCB XX XXXX A 1 2 3 4 B C D E...