Kenwood KVT-627DVDY Service Manual page 71

CH
QQ
3 7 63 1515 0
3 D201,206,210,504-507,
F 509-518,522-535,538,800
0 : STZ6.2N
203, D207-209,211,218,500,501,
519-521,539 : STZ6.8N
D252 : IMSA-6801-E
D508 : DAN202U
D536,537 : DA204U
0V
0V
4.8V 4.8V
4.6V
IC303
UDIO u-COM
TE
L 13942296513
8.0V
4.8V
12
10
13
www
.
CI
(X34-35xx-xx)
MODEL NAME UNIT No. A B C
KVT-627DVD
X34-3532-71 YES YES
KVT-627DVDY
KVT-717DVD X34-3530-10 YES YES YES
KVT-737DVD X34-3530-21 YES YES
X34-3530-71 YES
KVT-747DVD
KVT-767DVD X34-3542-10 YES
KVT-747DVD X34-3533-21 YES YES
4
∗ ∗
R365 10K R366 10K
∗ ∗
R369 10K R370 10K
∗ ∗
R371 10K R372 10K
4
75 1.4V
LINE MUTE 75
74 3.0V
0V
DC ERR 74
73
AVREF
72 0V
AVSS
71 4.8V
AVDD
70 4.8V
SYS SREQ 70
R328 100K
4.8V
69
SYS MREQ 69
R853 100
68
LX RST 68
R313 100K
0V
67 R854 100
LX MUTE 67
R855 100
66
LX REQ M 66
4.8V
R856 100
65
LX CON 65
R315
64
100
64
EEPROM SCL/AUD SCL 64
R317
63
100
63
EEPROM SDA/AUD SDA 63
62 4.8V
MUTE C 62
R339 10K
61
TYPE4
60 4.8V
MUTE 2 60
59 4.8V
MUTE 1 59
58 4.8V
MUTE 0 58
57
NC
56 0V
BVSS
55 4.8V
BVDD
R319 47K
4.8V
R331 1K
54
PWIC STBY 54
53 4.6V
PWIC MUTE 53
52 4.8V
P CON 52
51 4.8V
EXT CONT 51
10
IC302
8
EEPROM
VCC
1
A0
2 7
A1 WP
3 6
A2 SCL 64
4 5
GND SDA 63
6
7
x ao u163
8
y
2
i
5
CJ
2 9
8
C400, C426, R253,
D A250 D208 R365 R366 R369 R370 R371
405,410 457,461
255
X86-3932-70 YES YES
X86-3930-11 YES YES YES YES
X86-3932-70 YES
X86-3930-11 YES
X86-3930-11 YES
X86-3930-11 YES
L300
10uH
BU5V
A8V
C308
330u50
11 9
+
C309
0.01
1
R314
10K
Q Q
3 6 7 1 3
R316
10K
12
C257
10u35
C256
13
330P
9
11
1 REMO
.
CK
KVT-627DVD/627DVDY/717DVD
KVT-737DVD/747DVD/767DVD
9 4 2 8
R372 W1 J201
YES YES YES E63-0919-05
YES YES E63-0917-05
YES YES E63-0919-05
YES YES E63-0919-05
YES YES E63-0919-05
YES YES E63-0919-05
CN250
1 IFGND
CN253
2 IF+B
IFGND
W250
T-L 3 L IF+B
W251
T-R 4 R
5 STGND
STGND
28 6 RDSMUTE
RDSMUTE
7 DGND2
DGND2
8 MPX
MPX
QUALITY
85 9 QUALITY
AMIFOUT
10 AMIFOUT
SMETER
84 11 SMETER
PLLGND
CN252
12 PLLGND
L252
CN251
VDD5V
4.7uH
SW5V 1 VDD5V DGND1
SCL
SDA
2 DGND1
IFC
2 3 SCL
COM+B
100 4 SDA
VT
83 5 IFC
OSCGND
6 COM+B
AM+B
7 VT
AMANT
8 OSCGND
FMANT
Q252
RFGND
1 5 0 5 8 2 9 9 4
Q250
9 AM+B
22K
10 AMANT
22K
11 FMANT
12 RFGND
AM SW
S05 FST
P250
12
∗
RDS DECODER
IC251
1 16
QUAL RDCL
2 15 2.2V
RDDA T57
C251
14
2.2V 3
OSCOUT
VREF
+
10P
2.2V 4
1.5V
MPX
C252
4.8V 5
10P
13
OSEL
OSCIN
12 4.7V
VCC
6 11
GND EXTRES
0V
7 10
0V
ARI TM
8 9
FILOUT FSEL
m
6
7
co
8
2
5
X34-353/354x-xx (4/6)
CL
9 9
VIDEO LINE
SIGNAL LINE
GND LINE
B LINE
B LINE
(X34- ) (B/2)
∗
A250
25
1
1 IFGND
2
2 IF+B
3
L 3 L
4
R 4 R
5
5 STDGND
6
6 RDSMUTE
7
7 DGND2
8
8 MPX
9
9 QUALITY
10
10 AMIFOUT
11
11 SMETER
12
12 PLLGND
13
1 VDD5V
14
2 DGND1
15
3 SCL
16
4 SDA
17
5 IFC
18
6 COM+B
19
7 VT
20
8 OSCGND
21
9 AM+B
22
10 AMANT
23
11 FMANT
24
12 RFGND
26
2 8 9 9
J250
ANT.
L255
12
13
C
Q64
Q
2
IC400
1.2V
R
2
71