Kenwood KDC-MP4033 Service Manual page 26

AJ
KDC-MP2032/MP232/MP4033/
KDC-MP4033S/W4534/W4534Y
S4 SIGNAL LINE
GND LINE
B LINE
ES
S7.5V
C57 TP69
D3.3V
0.1
C54
4.7
TP68
D.GND
C53
0V
4.7
1.5V 37
VDDREG15
1.13Vpp
R72
3.3V 38
PWMSW0
0V 39 16.94MHz
33K 1.6V
TEST3
0V 40
TEST2
0V 41
TEST1
R74
3.3V 42
PWMSW1
33K 43
0V
TESTEN
44
D1GND2
TP70
45
DIN
SRDATA
46
DOUT
0V 47
SCKIN
48
TP71
SCKO
BCK
0V 49
LRCKIN
50
TP72
LRCK
LRCK
0V 51
XTALEN
1.5V 52
D1VDD2
53
TP73
RFCK
HOLD
TP74 54
WFCK
MIRR
TP75
DOUT
R75
3.3V
75
55
PLCK
56
TP76
LOCK
LOCK
57
TP77
C1D1
FZC
58
TP78
C1D2
TZC
TP79
RZM
59
59 C2D1
TP80
LZM 0-3.3V
60
60 C2D2
61
TP81
C2D3
SHOCK
0V
62
D1GND3
63
C33M
64
NC64
65
RA11
66
NC66
67
RAS
68
CAS0
69
CAS1
70
WE
71
OE
0V 72
DGND1
IC6
D3.3V
REGULATOR
R152
D5.0V
3.3
26
X32-5860-00 (2/2)
AK
4ch BTL
2.4-4.2V
DRIVER
16
2.4-4.2V
17
TP26
SLD+
1.2-5.5V
TP25
SLD+
TP28
C24
SLD-
4.7
1.2-5.5V
TP27
SLD-
7.5V
R30 100
0-5.0V
22
R31 13K
0-4.0V
24
1.2-2.8V
TP30
SD
TP102 R23
REFOUTSV 12K
1.2-2.4V
109
TP108 R22
SD 12K
1.2-2.4V
105
1.4-2.0V
TP29
TD
TP106
TD R20
1.8V
103
12K
7.7V
93
D3.3V
C52
2.2
0-3.3V 0-3.3V
1.13Vpp 0V
IC7
AUDIO DAC
BUILT-IN SERVO DSP
3.3V
TP83
A3.3V
TP82
AGND
AL
IC3
16 15 2.6-4.2V
TR+ FD+ 15
17 14 2.6-4.2V
TR- FD- 14
TP31
SPD+
18 13 1.0-5.0V
TP32
SLD+ SPD+
SPD+
TP33
SPD-
19 12 1.0-5.0V
TP34
SLD- SPD-
SPD-
20
11 7.5V
VCC2
VCC1
0V 21
10 0V
GND
GND
22
9 0-5.0V R29 1K
CNT
MUTE
0V 23
8
0V
24
7
TP35
LO/EJ
GND
25 MD
6 0-3.0V
SLIN
SPIN
R25
26
4.7K
SLIN- 5 1.5V
SPIN-
1.5V
4
SPIN+
27
3 2.0-3.0V
TP36
SLIN+
FDIN
28 FD
R27
TDIN
2 1.5V
16K
FDIN-
29
1
TDIN-
BIAS 1.5V
30
VCC
C50 0.1
C51
1000P
TP94
RESET Q4
D1
0V
R88
0V
4.7K
144
DGND2
143
0.2V PD
142
3.3V LD
141
TP91
3.2Vpp TEC
TEC
C83 0.01
140
3.2Vpp TE2
139
TP90
1.8Vpp TE0
TE
C82 47P
138
1.7V TE-
137
1.6V ADIN
136
TP88
FE0
FE
C81 47P
135
1.8V FE-
C80 0.1
134
REFC
133 3.3V
REFOUT
132 1.8V
AVDD
131 1.8V
VREFIN
130
E
129
F
128
D
127
B
126
C
125
A
124 0V
AGND
C77 2P
123
1.7V RF-
C76 3P
122
0V RF2-
R80 C73
6.8K 12P
121
0V EQ1
R81 C74
120
0.1Vpp EQ2
6.8K 6P
119
1.2Vpp RF0
C75
118
TP86
C70
1.3Vpp AGCI
RF
117 0.1 6800P
C3T
1.2Vpp 116
AGCO
115 0V
ADGND
C72 0.01
114
0.8Vpp RFI
TP84
113 TP85
ATEST
ATEST
AGCO
112 1.5V
ASY
TP100
111 2.2Vpp
ASY
EFM
110
C69
3.3V ADVDD
109
3300P
REFOUTSV
1.5V
C68
0.01
TP101
EFM
CP28 10K
KDC-MP2032/MP232/MP4033/MP4033S/W4534/W4534Y
AM
TP105
MD
107
TP107
FD
101
TP93
IOP2
TP92
IOP1
CURRENT
AMP
DPU1(X92- )
For CURRENT
AMP
OPTICAL
PICKUP
TP112
TP89
F-
CN2
ADIN
14 16 F-
TP87
TP111
VREF
C78
T-
2.2
17 15 T-
TP110
T+
16 14 T+
TP109
F+
15 13 F+
12 GND
TP95
F
11 F
TP97
B
10 B
TP99
A
9 A
TP96
E
8 E
TP98
C
7 C CAUTION : For contin-
TP103
C79 PD
ued safety, replace safety
6 PD
0.1
TP113
critical components only
VR
R91
91
with manufacturer's rec-
5 VR
TP104
ommended parts (refer
LD
4 LD
to parts list).
3 GND
2 VC Indicates safety criti-
D3.3V 1 VCC
cal components. To re-
C71
0.1
duce the risk of electric
shock, leakage-current or
resistance measure-
ments shall be carried out
(exposed parts are ac-
C63
ceptably insulated from
2.2
TP122
AGND
the supply circuit) before
109
the appliance is returned
to the customer.
107
• DC voltages are as
105
103
measured with a high
101
impedance voltmeter.
V a l u e s m a y v a r y
slightly due to varia-
tions between indi-
vidual instruments or/
and units.
AN
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