Kenwood KCD-BT6544U/UY Service Manual page 34

Cd receiver
Table of Contents

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K
KDC-BT6544U/BT6544UY
/BT7043U/BT742U
8
5.0V
10
13
12
5V
0V
0V
10
19
14
84
CDL
18
CDR
18
19
13
12
8
1
LXL
CDCHL
2
LXG
CDCHCOM
3
LXR
CDCHR
3.3V
4
AUL
AUXL
5
AUG
AUXCOM
6
AUR
AUXR
7
MUXAL
8
MUXAR
9
9
MUXBL
10
10
MUXBR
20
11
MCL
MUXCL
12
MCR
MUXCR
3.3V
13
WININ
14
WINTC0
21
4.0V
15
WINTC1
C266
R260
16
DCERR
1
10K
20
3.3V
13
12
12
18
21
20
13
17
15
18
16
18
24
23
22
21
20
19
18
17
16
15
14
34
X34-629x-xx (3/5)
L
1
TP404
2
TP405
3
4
5V
0V
4
IC303
MUTE
1
LOGIC
19
4
1
22
3.3V
0V
IC260
SOURCE
SELECTOR
& E-VOL
3.3V
0V
12
A8V
6
PON5V
SVR+B
6
BU5V
9
11
13
12
11
10
9
8
7
to CD PLAYER UNIT (X32-6260-00) CN2
M
K
5L I/F
J400
5
9
6
10
13
TP200
7
11
8
12
R411
1K
C403
0.01
D403
D408
D406
GND
10
BU
22
14
1
E
51
23
PFL
1
PFR
48
4.0V
PREF
1
0V
47
PGND
46
LDOUT1L
PRL
45
21
LDOUT1R
PRR
44
LDOUT2L
PNL
43
C277
LDOUT2R
PNR
0.01
42
0V
GND
C242 0.01
41
8.0V
VCC
C243 0.01
C280 1
40
C244 0.01
ACIN0L
40
C281 1
39
ACIN0R
39
C282 1
38
C245 0.01
ACIN1L
38
C283 1
37
C246 0.01
ACIN1R
37
C284 1
36
C247 0.01
ACIN2L
36
35
C285 1
ACIN2R
35
C278 1
34
ACIN3L
9
C279 1
33
ACIN3R
10
20
21
13
21
20
13
17
15
24
16
45
24
34
16
33
I
6
5
4
3
2
1
CN170
N
BU
TP629
C212 0.22
RL
TP631
C210 0.22
FR
POWER
IC
0V
IC200
5V
0V
22
5.5V
TP630
RR
TP201
TP628
22
FL
23
DSP5V
IC240
DSP
0V
1
TSTI
2
REF18
VSS2
1.8V
0V
3
XTO
VSS4
11.2896MHz
2.5V
4
VCOM
XTI
C240 1
5
MCL
AINL
SDTO3
C241 1
6
21
MCR
AINR
SDTO2
7
AVDD
SDTO1
5.0V
LRCK
0V
8
5.0V
BICK
VSS1
DVDD
5.0V
CLKO
9
5V
VREFH
0V
SCL
R242 100
10
40
AOUT1L
SDA
R243 100
11
VSS3
39
AOUT1R
5V
R244 100
12
0V
38
AOUT2L
PDN
R245 100
13
37
AOUT2R
DZF
R246 100
14
5V
36
AOUT3L
0V
R247 100
15
35
AOUT3R
13
17
15
24
A8V
R605
R606
1K
12K
17
24
15
IC600
C604
0V
5
4
0V
V-
0V
6
3
4.0V
0.1
2
4.0V
0V
7
8.0V
8
1
V+
6
LEVEL
R175 100
SHIFT
Q170
R178
4.7K
R179
R615
100
330
1
2
O
5.6V
5.7V
0V
C208
C214
0.22
0.22
14
30
0V
R248
C257
1.8K
10P
29
C259
10P
28
27
11.2896MHz
13
26
25
24
23
22
21
20
SCL
19
SDA
18
0V
17
40
16
41
13
15
TP601
BLUETOOTH
MIC BUFFER
R608
10K
R609
10K
C609
330P
R611
47K
BLUETOO
MODULE
RESET
TP600
Q601
6
C612
10u35
+
C613
0.1
3
4
5
6
7
8
9
10

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