![background image](http://html1.mh-extra.com/html/onkyo/cr-245/cr-245_service-manual_1636569009.webp)
CR-245
SCHEMATIC DIAGRAMS - 7
iPod Controller / USB SW (MAIN PCB)
A
1
2
3
4
5
B
C
D
E
F
G
H
51
53
54
52
25
24
1
2
US
B_
SW
D-_1
D+_1
GND
USB_VBUS_1
LRCK1
IPOD_DET_CTL
MPEG_DM
AV_SW1
MPEG_DP
iIRPTO
BCK1
USB_SW
SDA2
iBUSY
IPOD_PWR
AMP_RESET
DOCK_IN_DET
SDATA1
USB_EN
D3.3V
SCL2
iIRPTO
S3.3V
US
B_
P.
ON
iBUSY
SCL2
USB_P.ON
SDA2
USB_VBUS_1
IPOD_CTL_RESET
IP
OD
_C
TL
_R
ES
ET
AM
P_
RE
SE
T
DOCK_IN_DET
IPOD_PWR
IPOD_DET_CTL
SD
AT
A1
BC
K1
LR
CK
1
iPod_CVBS
GND
AV_RET
iPod_DM
iPod_DP
MP
EG
_D
M
D-
MP
EG
_D
P
D+
S3.3V
US
B_
EN
GND
IC6601
BU9459KV-E2
RESETX
1
SEL_SLAVE
2
SEL_MP3
3
SEL_DOUT
4
SEL_VOL
5
SEL_APLAY
6
SEL_UTPKT
7
IRPTO
8
TEST2
9
KEY_ROW1/MCHNG
10
KEY_ROW2/BUSY
11
KEY_ROW3/SCL
12
KEY_ROW4/SDA
13
KEY_COL1/A0
14
KEY_COL2/A1
15
KEY_COL3/SEL_SMAN
16
TE
ST
3
17
DV
DD
IO
18
SD
_C
ON
19
SD
_D
O
20
SD
_C
LK
21
SD
_D
I
22
SD
_C
S
23
DV
SS
24
TE
ST
4
25
TE
ST
5/
CL
KO
UT
12
26
DV
DD
_M
2
27
TE
ST
6
28
TE
ST
7
29
TE
ST
8
30
AT
ES
T1
31
AV
DD
C
32
USB_DM
33
USB_DP
34
AVSSC
35
REXTI
36
VOREFI
37
VDDPLL
38
TEST_PLL
39
XIN_PLL
40
XOUT_PLL
41
VSS_PLL
42
DAVSS
43
RDACO
44
VCDACO
45
LDACO
46
DAVDD
47
AMUTE
48
LE
D_
ER
RO
R/
TE
ST
9
49
LE
D_
PL
AY
/T
ES
T1
0
50
LE
D_
PS
D/
TE
ST
11
51
LE
D_
PU
SB
/T
ES
T1
2
52
LE
D_
AC
CE
SS
53
LE
D_
RA
ND
OM
54
LE
D_
RE
PE
AT
55
TE
ST
13
56
DV
DD
_M
1
57
TE
ST
14
58
TE
ST
15
59
TE
ST
16
60
TE
ST
17
61
DV
SS
62
TM
OD
E
63
DV
DD
IO
64
C6
60
1
0.
1
B
10
05
10
V
R6
60
1
10
K
1/
16
W
10
05
R6
60
2
10
K
1/
16
W
10
05
R6
60
3
10
K
1/
16
W
10
05
R6
60
4
10
K
1/
16
W
10
05
R6
60
5
10
K
1/
16
W
10
05
R6
60
6
10
K
1/
16
W
10
05
R6
60
7
10
K
1/
16
W
10
05
R6
60
8
10
K
1/
16
W
10
05
R6
60
9
10
K
1/
16
W
10
05
R6
61
0
10
K
1/
16
W
10
05
R6
61
1
10
K
1/
16
W
10
05
R6
61
2
10
K
1/
16
W
10
05
R6
61
3
10
K
1/
16
W
10
05
R6614
10K 1/16W 1005
R6615
10K 1/16W 1005
R6616
10K 1/16W 1005
R6617
10K 1/16W 1005
R6618
10K 1/16W 1005
R6619
10K 1/16W 1005
R6620
10K 1/16W 1005
C6602
0.1 B
1005
10V
R6
62
1
10
K
1/
16
W1
00
5
C6603
0.1 B
1005
10V
R6
62
2
10
K
1/
16
W1
00
5
R6
62
3
10
K
1/
16
W1
00
5
R6
62
4
10
K
1/
16
W1
00
5
B6
60
1
FC
M1
60
8K
F-
10
2T
02
C6604
0.1 B
1005
10V
R6
62
5
12
K
1/
16
W
+-
1%
10
05
B6602
FCM1608KF-102T02
C6605
27P CH
1005
50V
C6606
27P CH
1005
50V
R6
62
6
1M
1
/1
6W
10
05
X6
60
1
16
.9
34
4M
Hz
JG6601
JG6602
JG6603
C6607
10 B
2125
10V
C6
60
8
0.
1
B
10
05
10
V
R6
62
7
10
K
1/
16
W1
00
5
R6
62
8
10
K
1/
16
W1
00
5
R6
62
9
10
K
1/
16
W1
00
5
R6
63
0
10
K
1/
16
W1
00
5
R6
63
1
10
K
1/
16
W1
00
5
R6
63
2
10
K
1/
16
W1
00
5
R6
63
3
10
K
1/
16
W1
00
5
R6
63
4
10
K
1/
16
W1
00
5
C6
60
9
0.
1
B
10
05
10
V
R6
63
5
10
K
1/
16
W1
00
5
R6
63
6
10
K
1/
16
W1
00
5
R6
63
7
10
K
1/
16
W1
00
5
R6
63
8
10
K
1/
16
W1
00
5
R6
63
9
10
K
1/
16
W1
00
5
C6610
0.1 B
1005
10V
W836
W837
A2001WV-4A
CP6601
4
F_GND
1
S_GND
2
DP
3
DM
CP6602
04_6232_114_
11
AGND
12
IPOD_DET_CTL
13
ACC
14
XIPDET
6
GND
7
D-
8
GND
9
AGND
10
IPOD_CVBS
5
D+
4
GND
1
V1+5V
2
V1+5V
3
GND
C6
61
8
22
P
CH
10
05
50
V
IC6602
TC7USB221FT
1
VCC
2
NC
NC
3
S
4
D+
5
D-
6
NC
NC
7
OE/
8
GND
9
NC
NC
10
2D-
11
2D+
12
1D-
13
NC
NC
14
1D+
W852
W853
D6
60
1
AV
RL
16
1A
1R
1N
T
D6
60
2
AV
RL
16
1A
1R
1N
T
J6
60
1
AV
-5
3-
04
H
1 E
2
H
Q6604
KRC102SRTK
1
B
2
C
3
E
R6
64
4
10
K
1/
16
W
10
05
R6
64
8
10
K
1/
16
W1
00
5
R6
64
9
10
K
1/
16
W1
00
5
C6622
0.1 B
1005
10V
D6
60
4
AV
RL
16
1A
1R
1N
T
D6
60
3
AV
RL
16
1A
1R
1N
T
GND
(1;2;3;4;5;6;8;9;10)
W880
R6
65
3
4.
7K
1
/1
6W
10
05
W8
81
R6654
22 1/16W 1005
R6655
22 1/16W 1005
R6656
22 1/16W 1005
R6
65
7
22
1
/1
6W
10
05
R6
65
8
22
1
/1
6W
10
05
R6
65
9
22
1
/1
6W
10
05
L6605
DLP11SN900HL2L
4
3
1
2
L6603
DLP11SN900HL2L
4
3
1
2
R6661
75 1/10W
2125
W907
2125
R6
66
2
56
K
1/
16
W
10
05
C6
62
8
47
0P
C
H
10
05
50
V
C6629
0.1 B
1005
10V
C6
63
0
0.
1
B
10
05
10
V
C6
63
2
0.
1
B
10
05
10
V
C6
63
1
0.
1
B
10
05
10
V
C6
63
3
0.
1
B
10
05
10
V
D6
60
5
AV
RL
16
1A
1R
1N
T
R6
66
3
56
K
1/
16
W
10
05
C6
63
4
47
0P
C
H
10
05
50
V
C6635
0.1 B
1005
10V
C6
63
6
22
P
CH
10
05
50
V
D6
60
6
AV
RL
16
1A
1R
1N
T
W906
W9
09
10
05
C6637
0.1 B
1005
10V
W9
24
W9
25
BCK1
(6)
LRCK1
(6)
SDATA1
(6)
S3.3V
(2;5;6;10)
USB_VBUS_1
(9)
D3.3V
(1;3;4;5;10)
USB_SW
(2)
USB_EN
(2)
AMP_RESET
(2;5;6)
DOCK_IN_DET
(2)
IPOD_PWR
(2)
iIRPTO
(2)
iBUSY
(2)
AV_SW1
(2;6)
IPOD_DET_CTL
(2)
MPEG_DP
(3)
MPEG_DM
(3)
SDA2
(2;5)
SCL2
(2;5)
IPOD_CTL_RESET
(2)
USB_P.ON
(3)
R6
66
4
3.
3K
1
/1
6W
10
05
C6
63
8
0.
1
B
10
05
10
V
NC
NC
NC
NC
NC
NC
NC
NC
differential 90 ohm
differential 90 ohm
CV
BS
O
UT
YE
LL
OW
Current Limit
(1A)
FROM/TO Sub Micon
FROM/TO MPEG(MT1389/J)
27pin/57pin
From/to FRONT JACK PCB
From/to DOCK CONNECTOR PCB
14pin L=85mm (FFC)
4pin L=270mm w/shield
FROM/TO REGULATOR
JA
CK
CONNECTOR
W835 DEL
USB SW IC
iPod CTL IC
CAUTION:DIGITAL TRANSISTER
( MAIN PCB )
iPod Controller/USB SW SCHEMATIC DIAGRAM
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...