Kenwood KVT-819DVD, Руководство по обслуживанию

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48
KVT-819DVD/829DVD
/829DVDY/839DVD
X34-489x-xx (5/6)
CM CN CO CP CQ
0V
5V
5.0V
0V
5V
0V
0V
5V
0V
5V
5V
0V
5V
0V
5V
0V
0V 5.0V 3.3V
5V
0V
0V
0V
5V
0V
5V
0-5.0V
0V
0V
0V
0V
5V
0-5.0V
0-5.0V
0 or 5.0V
5V
0V
0V
5V
5V
0V
5V
0V
5V
0V
0V
5V
5V
0V
5V
0V
5V
0V
5V
0V
0V
8.3V
4.5V
0V
0V
8.3V
0V
4.5V
8.3V
8.3V
5V
0V
0V
5.0V
0 or 5.0V
0 or 8.5V
0 or 8.5V
0 or 8.5V
0 or 8.5V
5.0V 5.0V 0V
5.0V
5.0V
0V
3.3V
5.0V
5.0V
5V
0V
0V
5V
IC105
IC202
IC203
IC104
IC702
IC10
IC103
1
1
1
1 1
1
1
2
2
2 2
6
6 6
7
7
7 7
8
9
9 9 9
9
10
10
10
10
10
10 10
13
14
14 14
15
15
15
16
16
16 16
18
19
19
19
20
20
20
20 20
6
6
6
6
6
ASEL MAIN
ASEL SUB
ROM CORRECTION
NOT USED
J702
AVIGATION
D721
D722
D719
D720
D715
D716
(X34-489x-xx)
GND LINE
SIGNAL LINE
B LINE
VIDEO LINE
AUDIO u-
DATA CONV.
AND
AND
IC61,71 : M5237ML-CF0J
IC101 : 703030BYGCJ30
IC102 : S-80842CNNB-G
IC104 : TC7SET08FU-F
IC105 : BU2090FS
IC106 : TC74VHCT08AFT
IC201 : E-TDA7415CB
IC202,203 : TC4052BFT
IC251
: E-TDA7478AD
IC301 : TB2923HQ
IC501,502,701,722,723
: NJM2794R
IC702 : TC7S08FU
IC802,804,807-809
: MM1508X
IC803 : BA7652AF
IC805 : BA7653AF
IC806,810,811
: MM1503-E
IC901-903,910
: NJM4565V
IC904 : ICL7660S
IC911 : NJM2125F
NOT USED IC103 :
R609 10K R608 10K R607 10K R606 10K R605 10K
R604 10K R603 10K R602 10K R601 10K
807
16
15
14
13
12
11
10
9
2
C114
0.01
VDD
Q11
VSS
DATA
1
Q10
Q9
Q8
Q7
CLOCK
Q0
Q1
Q2
Q6
Q5
Q3
Q4
6
3
4
5
7
8
XCOM
16
VDD
12
13
14
X0
X1
X2
15
9
10
B
A
X3
11
1
Y0
5
Y1
Y3
YCOM
Y2
4
3
2
VSS
VEE
INH
8
7
6
XCOM
15
VDD
X2
16
11
X1
X0
X3
14
13
12
A
B
10
9
2
C234
0.01
Y0
Y2
1
6
YCOM
Y3
Y1
INH
3
4
5
VEE
VSS
7
8
C233
10u50
C235
0.01
R611 10K R610 10K
8
4
3
R181 47K
2
1
C113
0.01
VCC
5
R180 100K
R179 100K
R111 100 R110 100
R108 470
L101
47K
R104 47K R103 47K
GND
C103
1000P 120
R178 470
R185
R184 47K
R183 47K
R182 47K
4.7K
R177 100
R176 100
R173 100
R174 100
TV MC DATA
TV SC DATA
TUN SCL
100
TUN SDA
2
1
TV BP CLK
LX CLK
99
98
97
TV MC REQ NA
VI TX
NA
VI RX
5 4 3
EVSS EVDD
7 6
100
R192
14 13 12
11
10
SYS SD
A
T
A
SYS MD
A
T
A
SYS SREQ MIX REMO TV SC CON BEEP
9
R748 100 R747 100 R746 100 R745 100
100
R741 75
R742 75
R743 75
R744 75
TP731
TP735 TP737 TP733
R737
1K
R736
1K
R735
1K
TP738
TP739
TP740
R758 10 R757 10 R756 10 R755 10
GND
VCC
5 4
C713
1 2 3
0.1
L702
120
68
100
R146 100 R147 100
∗
R165 2.2K
R163 1K
R164 2.2K
C112 1000P
TP111
TP116
R152 47K
∗
R153 10K
A TYPE1
R171 100
R170 100
TP957
TV SC REQ
LX REQ M
LX DATA M
LX DATA S
LX CON
96
95
94
93
LX REQ S
R CLK
SYS ON
92
91
90
89
TUN SMET
BU DET
RIP MUTE
R NOISE
88
87
86
85
TUN IFC
A TYPE3
A TYPE2
84
83
82
81 TP956
TP955
TP954
∗
R161 10K
69 70 72 73 74 75
A WRT E2P
PWIC DCDET
NC
LINE MUTE
A TYPE0
LX MUTE
80
79
78
77
76
A
VSS
AV
R
E
F
71
PON
LX RST
AV
D
D
0.1
120
C111
L102
45
1
A2 A1 A0
3 2
8
SCL
WP
VCC
6 7
GND
S
D
A
R144 100
66 67
A
UD SD
A
A
UD SCL
R
808
G
809
B
SEL4
SEL3
SEL2
SEL1
SEL1
SEL2
SEL3
SEL4
VOUTSEL3
VOUTSEL1
VOUTSEL2
VINSEL1
VINSEL2
VINSEL3
29
30
SUB-R
AV
1
-R
AV
1
-L
TV
-R
TV-L
X14MAIN-R
X14SUB-R
X14SUB-L
X14MAIN-L
SUB-L
MAIN-L
C
V
C
E
V
L L L KVT LOW MODEL
DDX LOW MODEL
KOS HI MODEL
DDX HI MODEL
H
L
H
H
L
L
∗
H
H
2
KVT HI MODEL
3
H L L
1
KOS LOW MODEL L H
∗
TYPE
SCL
SDA
0.1
C110
74 75 69
68 67
R148 10K R149 10K
SCL
SDA
R145
TP115 TP114
TP113 TP112
83
84
85
R156 10K
R155 10K
R160 10K
∗
R157
R162
78
R151 47K
47K
R150
87
88
90
91
92
93
94
95
R186 100K
96
100
R168
100
R169
100
R172
100
R166
100
R175
97
98
99
100
70
YES 30K
YES
YES
10K
3.3K
10K
R157 R161
YES
1
2
3 4 5
R102 4.7K
100K
0.1
C104
8
R123 47K
9
10
10 13
16
330u6.3
C101
REM
R187 100K
R188 100K
100
R115
100
R112
100
R109
100
R107
13
6 7
10 11
2 3
5
9
1
ESDGND
G B
SYNC
R
RX
TX
REMO
R751
3 4
NA
VI-G
NA
VI-B
NA
VI-C
NA
VI-R
16
3,4,10
SW5V
SW5V
BU
5
V
SW5V
SW5V
R221
RST
SW5V
MAIN-R
10
9,16,REM
A8V
-A
A8V
-A
DGND
BU5V-A
BU5V-A
BU
5
V
-A
KVT-819DVD
KVT-839DVD
KVT-829DVDY
KVT-829DVD
MODEL NAME
3-21
R27
0-21
0-10
2-71
UNIT
No.
YES
A
0-71
YES
YES
YES
YES
B
YES
R153
YES
R165
YES
YES
YES
YES
100
YES
YES
YES
D
YES
A251
X86-4080-12
X86-4080-12
X86-4080-12
X86-4082-71
X86-4082-71
100
TV JUDGE
R114
12
47K
R105
R106
E
YES
YES
YES
YES
C847-
849
VINSEL4
AV
2
-L
AV
2
-R
86
YES
YES
YES
R701-
703
V
+
+
CAUTION : For continued safety, re place safe ty critical com po nents only with manufacturer’s rec om mend ed parts (refer to parts list).
Indicates safety critical com po nents. To reduce the risk of electric shock, leakage-cur rent or re sis tance mea sure ments shall be carried
out (ex posed parts are ac cept ably in su lat ed from the supply cir cuit) be fore the ap pli ance is returned to the customer.