Es_Dsp_Sw; Bus_Mute; Mz_Ill_On; Mz_Syson - Kenwood DDX7015 Service Manual

BI
DDX7015/7025/7035
DDX7045/7065
1
3 4 5 6 7 8 9 10 11 12 1 2 3 4
C
17
2K
0V
89
IC705
8
0V 1
STB
91 S1
7 5.2V
0V 2
VCC
90 ROUT
6 0V
BUS+
3
S2
4
5 0V
GND
BUS-
0V
Q704
C644
0.01
D610
Q610
4.7V
R619
22K
C610
2200P
0V
D606
D607
R612
43
10 9 8 7 6 5 4 3 2 1
CN600
AV OUT
VIDEO LINE
SIGNAL LINE
GND LINE
B LINE
56
X34-316x-xx A,C/3 (4/5)
BJ
2
CN4
5 6 7 8 9 10 11 12
D702
R746
22
1
R748
2
22
4
3
D605
Q609
Q608
L100
10uH
R618
22K
C609
2200P
Q608-610
AV OUT
MUTE
D604 330u63
BK
AUDIO MUTE. CONTROL
IC100
0V 1 14
Y1 VCC
2 5.2V 13
S-MUTE
A1 Y4
3 12 0V SW
B1 B4
4 5.2V 11
Q100
Y2 A4
10 0V
Y3
0V 5
A2
6 9
B2 B3
0V 7 5.2V 8
GND A3
TUNER:
5.1V
0V 37
GND0
C111 1
38
CPUREG
5.2V 39
VDD0
5.2V 40
3.4V
40 RESET
R103 100K
0V 41
41 MODE/VPP
R104 100K
R170 100
42
42 TV SDATA
OPERATION:
R171 100
43
43 TV MDATA
R172
44
44 TV CLK
100
R105 100K
5.1V 45
45 SYS ON
R106 100K
R107 100
46
46 SYS MDATA
R108 100
47
47 SYS SDATA
R131 10K
OPERATION:
R109 100
48
48 SYS MCLK
W102
5.2V 49
49 PWIC STBY
50
NC
51
PWIC SVR
5.2V 52
52
PWIC MUTE
53
NC
5.1V 54
54 ILLUMI DET
55
NC
56
57 NC
0V 57
BU DET
58
NC
59
NC
5.2V 60
PORTVDD1
61
61 PWIC BEEP
5.1V
62
R101
62 P ON
10K
R112 100
63
63 SCL
R102
R113 100 64
10K
64 SDA
0V 65
65 ES DSP SW
R701 22K
0V 66
BUS MUTE
C105
Q713 Q712
22K 47K
+
C104
22K 47K
0.01
67
0V
MZ ILL ON
5.1V
68
68 MZ SYSON
69
69 MZ SYSOFF
70
XT2
71
XT1
0V 72

GND2

18.874MHz
2.5V
0.7V
BL
5.2V
44
RESET IC 43
42
IC101
R100
22K
100K
3 2 41
NC VDD
22K
0V 4 1 5.2V
VSS OUT
5.1V
OPERATION:
5V
0V
5V
0V
5V
0V
OPERATION:
5V
0V
5V
0V
5V
0V
5V
0V
OPERATION:
5V
0V
0V
18.874MHz
3.4V
0.2V
X100
18.874MHz
BM
CN100
1 BU5V
W103
2 RESET
W104
3 TV CLK
W105
NC
4 TV MDATA
W106
5 TV SDATA
W107
6 TEST
7 GND
5.1V
3.6V
5.1V
OPERATIO
5
0
IC103
TUNER
MICROCONTROLLER
OPER
OPERATION:
0V 5V
0V
R135