Kenwood KVT-715DVD Service Manual page 44

AY
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
QQ
3 7 63 1515 0
CN301
1
P ON+5.0V
P ON+5.0V
NC
V GND
V GND
SW+18.5V
D GND
OPEN/CLOSE
KEY
VOL-
VOL+
LED GND
OPEN
NC
LED(BLUE)
2
OPEN
LED+8.0V
NC
P ON+3.3V
NC
V GND
VB
VG
VR
V GND
C.SYNC
V GND
NTSC PAL
POLC
3
POLS
CLAMP
VSY
HSY
BLK
MODE3
MODE2
MODE1
HPOS4
HPOS3
TE
L 13942296513
HPOS2
HPOS1
4
NC
VCOM
NC
P ON+3.3V
AUTO DIM
KEY1
XDATA
YDATA
X0
X1
Y0
BL DET
PWM
5
ENABLE
SW-D
NC
BLGND
BLGND
NC
BL+8.5V
BL+8.5V
NC
D GND
PH DET
SW+5.0V
REF+5.0V
6
R SENS
NC
RI M-
RI M-
RI M+
RI M+
www EX M-
EX M-
EX M+
EX M+
NC
SW-A
SW-B
SW-C
7
44
X35-4280-01 (1/3)
AZ
VIDEO UNIT (X35-4280-01) (A/3)
1
2
3
TP322B
4
5
TP323B
6
7
TP321B
7
TP361B
8 8
TP362B
W107
9 9
TP363B
10 10
TP364B
11 11
TP365B
12 12
13
TP366B
14 14
TP367B
15 15
TP368B
16 16
17
18
19
TP325A TP325B
20
21 VB
22 VG
TP303B
23 VR
24
TP304A TP304B
W302
25
26
TP326B
27 27
TP327B
28 28
TP328B
29 29
TP329B
30 30
TP308B
31 31
TP307B
32 32
TP306B
33 33
TP330B
34 34
TP331B
35 35
TP332B
36 36
TP333B
37 37
TP334B
38 38
TP335B
39 39
TP336B
40 40
41
TP305
42
43
44 33
TP370B
45 34
W304
TP371B
46 35
TP372B
47 36
TP373B
48 37
TP374B
49 38
TP375B
50 39
TP376B
51 40
TP377B
52 43
IC304
TP378B
SCHMITT
53 44
TP379B
INVERTER
54 45
TP380B
55 55
TP381B
56
IC304
57 46
1
58
A1 VCC
TP383B
2
59
Y3 Y1
3
60 49
A2 A3
61
4
GND Y2
62
TP324B
63
TP385B
64 64
TP386B
65 65
TP387B
66 66
TP388B
67 67
68
TP390B
69 70
70
TP391B
TP356A
71 71
72
R368 R307
TP394B
0 100
73 74
74
TP395B
x ao
75 75
76
TP397B
77
78 78
. i
TP398B
79 79
TP399B
80 80
BA
L101 3.3uH
L102 3.3uH
DC-DC
IC101
CONVERTER
6
VIN
5
GND
4
7 SW1
C115
SW2
0.1
8 3
SHDN CT
2
D102
9
FB2
VO2
1
L106
10 FB1
VON
10uH
R103
180K
L302
W303
TP303A
L301
W301
L309
Q Q
3 6 7
L303
CP301
1Kx4
40
39
38
37
36
35
34
CP302
8
CP303
1Kx4
7
220x4
TP306A
6
33
TP307A
R369
32
0
5
30
TP308A
31
R373 560
29
R374 560
28
27
C311
IC302
0.01
5
u163
1
VCC
TP309B
y IN1
R308
2
620
4
IN2
AND
OUT
C312
3
0.01
GND
BB
2 9 9 4
8
TP302A TP302B
L104
D101
10uH
TP301A TP301B
L105
D103 D104
10uH
IC303
C336 R327
0.1
68K
D302
D303
R325 R326
4.7K 47K
PLL
C322
1000P
Q301
L306
C323
VCO
D309
5.6uH
100P
VR301
1 3 1 5 0 5 8 2 9
FREE-RUN
FREQ. ADJ.
R353 10
CF308 19
1
HPOS1
2
HPOS2
3
HPOS3
4
HPOS4
5
MODE1
6
MODE2
7
MODE3
IC301
8
NBLK TIMING
CONTROL IC
9
NDSH
10
VSS1
11
NDSV
12
NCLP
13
POLS
14
POLC
15
COMPS
16
VDD1
m
TP310B
co
R371
0 R339
.
5
1K
BC
2 8
9 9
W217
W216
R236
2.2K
C234
VR203
56
10K
R235
9.1K
VR203
FLICKE
PLL LPF
IC303
C335
0.1
R348
3.6K
9 4 2 8 9 9
48
VSS4
47
LPFI
46
SPL
45
VDD4
44
OSCI
TP317
43
SCK
42
VSS3
41
SIZE
40
XCKI
39
TST4
38
TST3
37
TST2
36
TST1
35
SVSEP
R335
0
34
XCKE
33
VDD3