Kenwood KCD-BT6544U/UY Service Manual page 39

Cd receiver
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AJ
CD PLAYER UNIT (X32-6260-00) (A/2)
MECHA. (X92- )
1
DM2
M
LOADING &
SLED
MOTOR
DM1
M
SPINDLE
MOTOR
2
SIGNAL LINE
GND LINE
B LINE
3
IC1
: 92CD28AFG7C32
IC2
: TC94A92FG-301
IC3
: BD8222EFV
IC4
:
MFI341S2162
IC5
: 74AHCT08PW
IC6
: 74LVC08APW
IC7
: XC6415S001P1
IC8
: BR24L04FV-W
IC9
: XC6219B332MR
Q3
: RUE003N02
Q5
: 2SA1577
Q6,9 : DTC114YUA
Q7
: 2SB0970
D1
: DAP202U
D2,3 : DA204U
4
5
6
7
AK
SLED OUT
/LOAD
4ch BTL DRIVER
TP123
IC3
5
7.5V
1
6
POWVCC1
TP124
0V
2
POWGND1
SLED IN
/EJECT
3
3
VO1-
4
SPDL+
4
VO1+
TP122
5
4
5
VO2-
6
6
VO2+
3
TP121
SPDL-
3
7
T-
VO3-
8
T+
VO3+
9
F+
VO4-
10
F-
VO4+
0V
11
POWGND2
4.3V
7.5V
12
POWVCC2
TP2
S.7.5V
S.GND
CN2
TP1
SGND
1
S7..5
2
TP3
MOTOR
MOTOR
3
TP4
LO/EJ
LO/EJ
4
TP5
VBUS OC
VBUS OC
5
TP6
VBUS SW
VBUS SW
6
TP7
SYS REQ
CCE
7
TP8
DGND
DGND
8
TP9
BU5V
BU5V
9
LOE SW
10
TP11 USB DP
USB+
11
TP12 USB DN
USB-
12
TP13
S SOC RST
MRST
13
TP14
SOC REQ
PIO0
14
TP15
D MUTE
MUTE L/R
15
TP16
Rch
RCH
16
TP17
A.GND
AGND
17
TP18
Lch
LCH
18
TP19
S SOC STOP
MSTOP
19
TP20
SYS DA
SI(BUS3)
20
TP21
SOC DA
SO(BUS2)
21
LOS SW
22
22
12EJE SW
23
23
TP24
BUCK
24
SOC CLK
(X32- ) (B/2)
S1
TP501
LOS
LOS SW
SW
S2
TP502
12EJE SW
12EJE
SW
TP504
GND
LOE/LIM
SW
AL
3
DMD
3
TP128
24
1.7V
IN1
31
0V
R132 100
23
CNT
3
22
FMD
TP127
SLIN
29
0V
R131 200K
21
LDIN
4
5
20
0V
BIASSW
R136
36K
19
IN3
27
FOD
TP126
TP125
1
TRD
R139
18
IN4
26
39K
17
1.7V
BIAS
16
0V
PREGND
15
MUTE34
14
MUTE2
13
MUTE1
3
5
4
77
9
78
R92 100
1
BU5V
79
11
80
R91
100
13
R88
100
14
R84
15
100
R
1
L
R94
2
100
19
R93
AGND
100
20
2
R90
21
100
2
R86
24
100
LOS SW
TP22
22
12EJE SW
TP23
23
Q9
Q9
CONTROL
SIGNAL
INVERTER
LOE LIM SW
TP10
AM
KDC-BT6544U/BT6544UY
/BT7043U/BT742U
3
ZDET
1
B3.3V
51
NC
52
NC
53
NC
54
IPOD CHK
NC
TP96
55
IPOD CHK
56
NC
57
NC
58
NC
59
NC
60
NC
61
C33
NC
0.01
0V
62
DVSS
3.3V
63
DVCC3A
CP11
64
NC
100
0V
65
ZDET IN
3.3V
66
66
CD MUTE
67
12
67
REQ M
3.3V
68
IPOD RST
R44 22K
69
TP97
BOOT
BOOT
70
NC
R45
0V
71
BSIF LRCK
100
3.3V
72
BU3.3V
AM1
R47
0
73
X2
C34
0V
74
DVSS
15P
75
X1
C35
15P
9
BU3.3V
12
B3.3V
IPOD RST
2
BU5V
3.3V
5.0V
DATA SOC
LEVEL SHIFT
TP111
REQ SOC
TP112
IC5
CLK SOC
TP113
DG MUTE
TP114
X32-6260-00 (1/3)
AN
3.3V
3.3V
0V
11
12
6
2
84
20
19
67
CP15
10K
13
86
7
66
39

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