Kenwood DPX-MP4070 Service Manual page 23

P
QQ
3 7 63 1515 0
∗
CN271A
∗
I
TP72
D282
D281
D283
Q277,287 D284
R287
1K
PRE MUTE
SW
∗
∗
Q287
R278
1K
∗
D277
∗
Q277
22K
22K
∗
R55
1K
TE
L 13942296513
0V
0V
5.0V
0V
IC1
MAIN
u-COM
0V
0V
5.0V
5.0V
www
28
.
Q
TP75 TP73
TP71
D272
R284 R283
22K 22K
R274
C282 C281
22K
D273
2200P 2200P
C272
2200P
Q282 Q281
D271
Q272
D274
C270 0.01
∗
R870
0
RN14
1K
0V
CD
5.0V MOTOR
CD LOEJ
CD LOE LIM SW
0V
5.0V CD DISC8 SW
CD MSTOP
CD MRST
CD MUTE L
0V
CD MUTE R
CD LOS SW
CD DISC12 SW
5.0V
SD/ST-IND
TUN CLK
0V
TUN DO
TUN DI
5.0V
TUN CE
MS MODE
C F/R
METAL
5.0V
C MUTE
0V
DOLBY
MS IN
5.0V
SUB M-
SUB M+
TUN
TYPE0
5.0V 5.0V 5.0V
TUN
TYPE1
RN7
1K
x ao
y
i
R
8
∗
CN271B
TP70
TP74
∗
H
R273
22K
Q271,272,281,282
C271
PRE MUTE
2200P
DRV
Q271
JW5
∗
R869
0
L231
600
Q Q
3 6 7 1 3
R32 1K
75 0V
75
R31 100
74 0V
74
RN13 1K
73 5.0V
73
72 5.0V
72
71 0V
71
70 5.0V
70
RN12
69 1K
69
68
68
67
67
66
66
RN11
65 1K
65
64
64
63
63
62
62
R30 1K
61 0V
61
∗
RN10 4.7K
60 5.0V
60
59 0V
59
58
58
57
57
∗
RN9
56 4.7K
∗
56
R53
55
55
4.7K
∗
RN8
54 1K
54
53
53
∗
R29 47K
52
∗
R28 47K
∗
R27 47K
51
∗
R26 47K
R25 47K
u163
.
S
DPX-MP4070/MP4070B
2 9 9 4 2 8
∗
L225
X201
7.2MHz
C235
0.01
PLL
IC12
2.4V
Q221
1 20
XIN 2.4V XOUT
0V 2 19
61 CE VSS
C233
0V 3 18
0V
63 DI AOUT
0.01
0V 4 17
R234
64 CL AIN
2.2K R233
5.0V 5 16
62 DO 5.0V PD
15
18K
R235 1K
6
VDD
BO1
14 2.5V
0V FMIN
R236
7
BO2
C239 Q221
0V
8
2.2K
330P
13
BO3
FM/AM
AMIN
0V 9
12 VT DRV
BO4
IO2
0V
C241
10 11
LCTR/I1 HCTR
330P
65
C231
10u16
+
C232
0.01
R302
47K
R304 C304 22u16
C308
+
47K
1 C302
8.0V
1 5 0 5 8 2 9 9 4
IC301
100u10
3.9V
3.9V
2.7V
C309
0V
SR
1
AUDIO
R305
SEL
47K
IC301 8PIN VOLTAGE
8 CASSETTE or MD SELECT : 5.0V
IC4
8
VCC
1
7
A0
WP
2
A1
R42
3
5.0V
6 100
A2
SCL
4
GND
R43
5
SDA
0V
100
ROM
COLLECTION
CN1
TP113
1 ESD-G
TP112
2 D-GND
TP111
42 3 L-DATAO
CONTROL
TP110
UNIT-
43 4 L-DATAI
TP109
CN901
39 5 L-CE
TP108
44 6 L-CLK
3/3
TP107
38 7 L-INH
m
TP106
49 8 LED-SI
C
TP105
40 9 LED-G
TP104
33 10 RES-SW
co
TP103
36 11 LED-B
TP102
12 BU5V
TP101
34 13 LED-R
TP100
14 P-GND
TP99
28 15 REMO
TP98
16 LED 11V
MAIN UNIT (3/4)
T
9 9
ANT221
TP69 TP68
∗
DSP221
R224
0
L221
52uH
TU
Q5
L222
1
FM VCC
AM
SW
10uH
2
FM
3
GN
4
AM
5
L223
R231
FM
180 4.7uH
6
FM
L224
Q5
600
7
FM
8
GN
9
GN
10
R221
NC
C234
100
11
FM
R222
0.1u50
100
12
FM
OS
∗
C225
C242
0.47u50
13
L O
+
C243
0.47u50
14
R
+
C240
∗
1000P C226
FM
15
SD
Q222
IN
22K
R223
22K
100K
16
FM
17
FM
IF
18
FM
DE
60
59
0.01
2 8 9 9
58
C301 C303
57
100u10
56
+ +
55
∗
R373
2.2K
35
∗ 25
C373
23
2.2u35
+
∗
C374
2.2u35
+
22
21
31
IC5
8
1
VCC
A0
7
R51
2
WP
A1
100
6
3
SCL SCL
A2 S
R52
4 5
GND SDA SDA S
100
SECURITY
0V
ROM
IC1 : MN101C49KWG Q
IC2 : PST3438UL Q
IC3 : HD74HC27FP-E Q
IC4 : Q
IC5 : BR24C01AF Q
IC12 : LC72135M Q
IC101 : E-TDA7414
IC103 : NJM2195FJ1 Q
IC104 : TC7W66FK-F Q
IC301 : BA3131FS Q
IC351 : BA6219BFP-Y Q
IC601 : E-TDA7560A Q
Q
Q
SIGNAL LINE
Q
GND LINE
Q
B LINE
Q
Q
Q
Q
23