Kenwood KVT-715DVD Service Manual page 50

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KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
QQ
3 7 63 1515 0
A
5
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4
FM/AM TUNER
) (B/2)
TUNER:
5.1V
OPERATION:
5V
0V 37
0V
GND0
C111 1
38
CPUREG 3.42V
5.2V 39
VDD0
5.2V 40
40 RESET
R103 100K
0V 41
41 MODE/VPP
R104 100K
R170 100
42
42 TV SDATA
R171
OPERATION:
100
43
5V
43 TV MDATA
0V
R172
44
TE
44 TV CLK L 13942296513
100
R105 100K
5.1V 45
45 SYS ON
R106 100K
R107 100 46
46 SYS MDATA
OPERATION:
5V
R108 100
47
0V
47 SYS SDATA
R131 10K
OPERATION:
R109 100 5V
48
48 SYS MCLK
0V
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
NC
0V 57
57 BU DET
58
NC
59
NC
5.2V 60 5V
PORTVDD1
0V
61
PWIC BEEP
5.1V 62
P ON
R112
100
63
63 SCL
5V
R113 64
0V
64 SDA
65
100
ES DSP SW
66
NC
67
MZ ILL ON
68
MZ SYSON
69
MZ SYSOFF
70
XT2
71
XT1
0V 72
18.874MHz
GND2
3.4V
0.2V
18.874MHz
www
2.5V
0.7V
X100
18.874MHz
50
X34-315x-xx (4/5)
CD
B
CN4
5 6 7 8 9 10 11 12
(X34-315x-xx)
UNIT
MODEL NAME
KVT-715DVD K 0-10
M 0-21 YES
KVT-735DVD
KVT-745DVD C 0-71
DIGITAL LINE
KVT-725DVD
E 2-71
SIGNAL LINE
KVT-725DVD-B
GND LINE
R 3-21
KVT-745DVD
B LINE KVT-765DVD C 3-01
KVT-815DVD K 0-11
B LINE
OPERATION:
5V
0V
IC103
SYSTEM
CONTROL
OPERATION:
5V
OPERATION:
0V
5V
0V
0V
x ao
. i
CE
D409-
A B C D E A1 R155 R156 R159 R160 R163 R164 W33
No. 411
YES YES NO YES NO W02-3416 NO NO YES
YES YES YES NO NO NO YES
W02-3417
NO YES NO NO NO W02-3416 NO YES NO
YES NO YES YES YES W02-3417 YES NO YES
YES YES NO YES NO NO YES NO
W02-3416
NO YES NO NO NO W02-3416 NO YES NO
YES YES NO YES NO W02-3416 NO YES NO
ADCGND
ADCVDD
FM RECEIVE: 0V
5V
0V
NC(NOISE2)
TYPE 3
TYPE 2
TYPE 1
Q Q
3 6 7
TYPE 0
FM RECEIVE:
4.9V TUN IFC OUT
TUN SMETER
VSYNC SW
WRT E2P
TUN TYPE1
TUN TYPE0
AM SELECT:
5.1V PON AM
RDS CLK
5V
RDS QUAL
0V
RDS DATA
VSYNC DET
LX OPERATION:
5.1V
LX CON
LX OPERATION:
0V
LX MUTE
LX RST
LX REQ M
REMO
LX OPERATION:
NAVI TX
5V
0V
NAVI RX
LX REQ S
OPERATION:
TV CONNECT
5V 5.1V
0V
LX CLK
LX OPERATION:
R135 100K
5.2V
u163
y
CF
2 9 9 4
8
IC1,3
IC4
IC100
IC101
IC103
IC200
IC250
IC300
IC301
IC350,500,600
W500-
IC400
505
IC450,451
NO YES YES NO NO YES
IC452
YES NO YES NO NO YES
IC501
NO YES YES NO NO YES
IC550,554
YES NO NO YES YES NO IC551
IC552
YES NO YES NO NO YES
IC553
NO YES NO YES NO YES
IC555
YES NO YES NO NO YES
IC602-604,702,900 : NJM4565M-TE2
17
C108
0.01
R110 C104
100K 0.01
0V
2
3
4
144 0V
0V 5
0V 6
143 5.1V
0V 7
R138 100K
142 0V
R139 100K
141
NC
R149 10K
140
∗
R155 10K
∗
R156 10K
139
L100
∗
10uH
R159 10K
∗
R160 10K
138
∗
R163 10K
∗
1 3 1 5 0 5 8 2 9
R164 10K
137
136 0V
136
135
135
134
NC
133 0V
133
SW5V
R150
100K
132 0V
131 0V
GND1
R157 10K
130 0V
R32
4.7K
0V R161 10K 15
129
128 5.2V
VDD1
127
127
126
R140 100K
NC
125
3
125
R141 100K
124
124
R142 100K
123
123
122
NC
121
NC
120 5.2V
120
4
119
NC
118
118
R143 100K
117
117
116
116
115
115
BU14V
R176 22K
114 5.3V
114
113
NC
5.1V
112
112
R144 22K
111 0V
111
R145 100K
R147
110 100
110
R137 100K
L101
109
109
LX OPERATION:
5V
0V
m
5V
0V
co
.
CG
2 8
9 9
: M5237ML
: ICL7660SIBA
: HD74HC02FP-E
: S-80842CNNB
: 70F3089YGJ-7R7
: TDA7479D
: E-TDA7560A
: TDA7401
: E-TDA7414
: BA3121F
: TC7SH08FU
: NJM2267V
: TC7SH14FU
: MM1234XFBE-E
: TC4052BFT
: MM1503
: MM1108XFFE
: BA7652AF
: BA7612F
Q
AUDIO MUTE. S
CONTROL S
IC100
1 14
VCC
Y1
5.2V 13
A1 Y4
0V
12
B1 B4
5.2V 11
Q100
Y2 A4
10 0V
22K
A2 Y3
9
B2 B3
22K
5.2V 8
GND A3
9 4 2 8 9 9
R50 100K
ILLUMINA-
TION SW
47K
R
1
Q19
2.2K
22K
Q27
22K
∗
Q23
W33
P-ANT
SW
Q23
D9
Q20
10K
∗
47K
B
AVR(A9V)
AVR(AUD
Q6
13.5V
IC1
Q4
3
VIN VRE
GND
2
SW
0V
(A9V)
L1
Q11
22uH
AVR( 9.0V)
IC
Q12
10.3V
1
B
11.0V
0V
2
C14
C
4.7u50
3
0V
G
+
C12 0V
2.2 -10.2V
4
C
C8
2.2
Q11,12
SW( 9V)