Kenwood KDC-U556BT Service Manual page 47

Cd receiver
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ELECTRIC UNIT-2 (X34-7450-xx)
X34-7450-11
X34-7450-12
X34-7452-71
X34-7452-71
X34-7450-10
X34-7450-21
X34-7452-72
X34-7450-10
X34-7452-72
X34-7450-01
X34-7612-71
*MODELS
X34-7610-10
X34-7450-11
X34-7450-12
X34-7450-01
X34-7610-11
X34-7452-73
X34-7450-21
X34-7612-71
X34-7610-01
X34-7452-74
X34-7610-10
X34-7610-01
X34-7610-11
X34-7452-73
4V L/O
2.5V L/O
2.5V L/O
* MODELS
X34-7452-74
IC161
TDA-7720B-X
TDA-7720B-X
TDA-7718B-X
3 PAIRS
2 PAIRS
1 PAIRS
R150
X
X
O
J321
QNN0866-001
QNN0868-001
QNN0874-001
R151
O
O
X
R342,R352
O
O
X
R152
X
X
O
R341,R351
O
O
X
E-VOL
R167
X
X
O
R340,R350
O
O
X
R177
O
O
X
LINE
R347,R349
O
O
X
X
OUT
C169
X
O
C341,C351
O
O
X
C171
X
X
O
C340,C350
O
O
X
C175
O
O
X
R335
X
X
O
R168
X
O
O
R333,R323
X
O
O
R169
O
X
X
O
O
X
D341
PIN24
11.2V
8.2V
8.2V
Q341
O
O
X
ILM SW
R910
X
O
O
IC701
PIN25
3.3V
0V
0V
* TUNER
X34-7450-10
X34-7452-71
X34-7450-11
X34-7452-72
X34-7450-21
X34-7450-01
X34-7450-12
X34-7612-71
X34-7610-10
X34-7610-01
X34-7452-73
MODEL
X34-7610-11
X34-7452-74
VERSION
K
E
M
J
IC1
TEF6614TV1S4-X
TEF6614TV1S3-X
TEF6614TV1S4-X
TEF6614TV1S4-X
C2
7pF
7pF
4pF
5pF
C6
6pF
6pF
4pF
9pF
C7
27pF
27pF
27pF
39pF
C27
O
O
X
X
C28
O
X
X
X
L1
0.47uH
0.47uH
1uH
1uH
L2
1.8uH
1.8uH
3.3uH
3.3uH
L8
O
O
X
X
L10
O
X
X
X
R1, R2
680k
680k
470k
470k
R3
X
X
O
O
R9
X
O
O
O
R10
X
X
O
O
L981
QQL92AK-220Z
QQL92AK-220Z
QQLA1AM-220
QQL92AK-220Z
CN502
QGF1040F1-26
VF1 1
SW3
2
D3.3V 3
SW2
4
VF2 5
SW1
6
R576
VT2 7
10K
PSW
8
R577
VT1 9
10K
10
VREF
MD 11
C516
To CD PLAYER UNIT
12
GND
HC1_2 13
(X32-6530-00)
LOAD-
14
CN101
LOAD+ 15
SPINDLE+
16
SPINDLE-
17
FEED+
18
FEED-
19
GND
20
LD 21
GND
22
TRK-
23
TRK+
24
FOCUS-
25
26
FOCUS+
*SXi
* MICROPHONE
X34-7450-12
X34-7450-10
X34-7452-71
X34-7450-11
X34-7452-72
MODEL
X34-7450-10
X34-7610-10
X34-7450-21
X34-7450-11
X34-7452-72
X34-7610-11
X34-7450-01
X34-7450-12
X34-7450-01
X34-7612-71
X34-7452-71
X34-7612-71
X34-7450-21
X34-7610-01
REF NO
X34-7610-10
X34-7610-01
X34-7452-73
X34-7610-11
X34-7452-74
X34-7452-74
X34-7452-73
J801
O
X
(REAR MIC)
(FRONT MIC)
(SWITCHABLE)
IC801
R193
X
O
X
O
X
IC802
R194
X
X
O
X
O
R801
R195
O
X
X
O
X
R802,R803
R196
O
X
X
O
X
R804~R806
CN181
O
X
O
O
X
X
R807
MIC_CABLE
O
O
O
X
X
X
R809
MIC
O
O
X
C801~C803
O
X
C804,C805
O
X
C807
O
X
X34-7450-10
*EMC
X34-7450-11
X34-7450-12
X34-7452-72
X34-7452-71
X34-7450-01
X34-7450-21
X34-7612-71
*MODELS
X34-7610-10
X34-7452-73
X34-7610-01
X34-7450-10
X34-7452-71
X34-7610-11
X34-7452-74
X34-7450-11
X34-7450-21
X34-7452-72
X34-7450-21
X34-7450-01
X34-7612-71
R
G
B
SINGLE
SINGLE
MODEL
X34-7610-10
X34-7610-01
X34-7452-74
X34-7610-11
X34-7452-73
R787
56k
56k
33k
REMOTE
R709
X
O
O
C746
X
O
O
VFDINH
R794
X
O
O
R988
O
X
X
C721
X
X
O
RGBCLK
R795
O
X
X
USBPON
C917
O
O
X
R989
X
O
O
* STAGE SETTING
X34-7450-10
X34-7450-11
X34-7450-12
X34-7452-71
X34-7452-72
X34-7450-21
X34-7450-01
REF NO
X34-7610-10
X34-7610-11
X34-7452-73
X34-7612-71
X34-7610-01
X34-7452-74
R764
22k
NIL
NIL
15k
39k
8.2k
47k
R766
27k
47k
47k
33k
8.2k
39k
NIL
PIN95
1.82V
0V
0V
2.27V
0.57V
2.73V
3.30V
R765
27k
27k
15k
8.2k
33k
22k
15k
R767
22k
22k
33k
39k
15k
27k
33k
PIN94
1.48V
1.48V
2.27V
2.73V
1.03V
1.82V
2.27V
No.WA049
TRK-
TRK+
FOCUS+
FOCUS-
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
C503
R519
33K
110K
R501
D502
GS1J-LTP-X
VF1
SW3
SW2
VF2
SW1
VT2
PSW
R575
C575
C576
VT1
3.3k
VREF
1500P
CD_MD
HC1-2
LOAD-
LOAD+
SP+
SP-
FEED+
FEED-
TRK-
TRK+
FOCUS-
FOCUS+
R540
C540
0.1
C541
2200p
220
1.3V
VCOI
C542
0.1
3.3V
RVDD3
0.01
C543
1.6V
SLCO
C544
3300p
1.6V
AFR
RFI
C545
0.1
1.6V
RFRPI
1.6V
VREF
RFEQo
C547
0.015
1.6V
DCoFC
C546
1
1.6V
0.1
AGCi
C548
68p
C549
1.3V
RF
RFo
0V
RVSS3
1.6V
FNi2
VF1
1.9V
FNi1
1.6V
FPi2
VF2
1.8V
FPi1
VT2
1.9V
TPi
VT1
1.9V
TNi
1.6V
VRo
0V
AVSS3
R545
0V
2.2M
MDi
3.0V
R549
2.2V
Q540
1K
LDo
2SA2188/F/-X
2.4V
1.9V
CD_MD
FE
C552
0.033
TE
LASER DIODE CIRCUIT
C553
4700p
C554
330P
C555
680P
C556
0.068
C557
0.033
R504
BTL_TRO
270k
R507
BTL_FOO
56K
R505
R511
BTL_FMO
100K
13K
R506
BTL_DMO
30K
TSDO
VREF
R516
33k
DSPR
C504
0.1
!
IC501
LV8281VR-X
DSPL
R514
R411
0
D501
D503
0V
Pio7
0V
3.3K
R562
LRCK
Pio6
3.3V
390
R564
BCK
Pio5
3.3V
390
R563
DATA
Pio4
0V
Pio3
0V
R561
100
GATE
Pio2
0V
R560
100
BSIF_REQ
Pio1
0V
R559
100
CMDREQ
Pio0
0V
!
VSS-2
1.5V
C565
IC540
VDD1-2
0.1
3.3V
JCV8023
XVDD3
R558
1.5V
C564
1M
R557
Xo
0.1
1.4V
470
Xi
0V
R556
XVSS3
0
0V
DVSS3L
1.7V
L561
Lo
3.3V
NQR0154-006X
C562
10
DVDD3L
3.3V
NQR0154-006X
C561
10
DVDD3R
1.7V
L562
Ro
0V
DVSS3R
R555
4.7
R554
NQR0154-006X
4.7
DET
FOK
IPT
(No.WA049<Rev.001>)5/16
MAIN PWB: GEB10347A
R595
2k
CD.R
S.GND
CD.L
PON_CD
VDD5V
MAINGND
R596
CMDREQ
BSIF_REQ
2k
DATA
GATE
BCK
LRCK
CMDSO
CMDSI
To ELECTRIC UNIT-1
CMDBUCK
CMDCCE
(X34-7450-xx)
CDRESET
SRAMSTB
CDMUTE
BTLGND
CD8V
FWD
REV
DRVMUTE
SW3
SW1
SW2
PSW
HC1-2
IC530
BU33TD3WG-W
4.6V
3.3V
VIN
VOUT
0V
GND
3.3V
STBY
NC
R533
IC531
BU15TD3WG-W
4.6V
1.5V
VIN
VOUT
0V
GND
3.3V
STBY
NC
IC532
BU15TD3WG-W
1.5V
4.6V
VIN
VOUT
0V
GND
4.6V
STBY
NC
L531
!
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
created date:2013-01-31

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