Kenwood KVT-915DVD Service Manual page 56

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1
P ON+5.0V
P ON+5.0V
V GND
V GND
SW+18.5V
D GND
OPEN/CLOSE
LED GND
LED(BLUE)
2
LED+8.0V
P ON+3.3V
V GND
V GND
C.SYNC
V GND
NTSC PAL
3
CLAMP
MODE3
MODE2
MODE1
HPOS4
X14-
HPOS3
CN204
TE
L 13942296513
HPOS2
1/4
HPOS1
4
A
VCOM
P ON+3.3V
AUTO DIM
XDATA
YDATA
BL DET
5
ENABLE
BLGND
BLGND
BL+8.5V
BL+8.5V
D GND
PH DET
SW+5.0V
REF+5.0V
6
R SENS
www
EX M+
EX M+
7
56
X35-4280-01 (1/3)
CD
VIDEO UNIT (X35-4280-01) (A/3)
CN301
1
2
NC 3
TP322B
4
5
TP323B
6
7
TP321B
7
TP361B
8 8
KEY
TP362B
W107
VOL- 9 9
TP363B
VOL+ 10 10
TP364B
11 11
TP365B
OPEN 12 12
NC
13
TP366B
14 14
TP367B
OPEN 15 15
TP368B
16 16
17
NC
18
NC 19
TP325A TP325B
20
VB 21 VB
VG 22 VG
VR 23 VR
24
TP304A TP304B
25
26
TP326B
27 27
TP327B
POLC 28 28
TP328B
POLS 29 29
TP329B
30 30
TP308B
VSY 31 31
TP307B
HSY 32 32
TP306B
BLK 33 33
TP330B
34 34
TP331B
35 35
TP332B
36 36
TP333B
37 37
TP334B
38 38
TP335B
39 39
TP336B
40 40
NC 41
TP305
42
NC 43
44 33
TP370B
45 34
TP371B
KEY1 46 35
TP372B
47 36
TP373B
48 37
TP374B
X0 49 38
TP375B
X1 50 39
TP376B
Y0 51 40
TP377B
52 43
IC304
TP378B
SCHMITT
PWM 53 44
TP379B
INVERTER
54 45
TP380B
SW-D 55 55
TP381B
NC 56
IC304
57 46
1
58
A1
TP383B
2
NC 59
Y3
3
60 49
A2
61
4
GND
NC 62
TP324B
63
TP385B
64 64
TP386B
65 65
TP387B
66 66
TP388B
67 67
NC 68
TP390B
RI M- 69 70
RI M- 70
TP391B
TP356A
RI M+ 71 71
RI M+ 72
R368
TP394B
0
EX M- 73 74
EX M- 74
TP395B
x ao
75 75
76
TP397B
NC 77
SW-A 78 78
. i
TP398B
SW-B 79 79
TP399B
SW-C 80 80
CE
L101 3.3uH
L102 3.3uH
DC-DC
IC101
CONVERTER
6
VIN
5
GND
4
7 SW1
SW2
8 3
SHDN CT
2
D102
9
FB2
VO2
1
L106
10 FB1
VON
10uH
R103
180K
L302
W303
TP303B TP303A
L301
W301
L309
W302
Q Q
3 6 7
L303
W304
CP301
1Kx4
40
39
38
37
36
35
34
CP302
8
CP303
VCC
1Kx4
7
220x4
Y1
TP306A
6
33
A3
TP307A
R369
32
0
5
Y2 30
TP308A
31
R373 560
29
R374 560
28
R307
27
100
C311
IC302
0.01
5
u163
1
VCC
TP309B
y IN1
R308
2
620
4
IN2
AND
OUT
3
GND
CF
2 9 9 4
8
TP302A
L104
D101
10uH
TP301A TP301B
L105
D103 D104
10uH
C115
0.1
C336
0.1
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
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
C312 R371
0.01 0 R339
.
5
1K
CG
2 8
9 9
TP302B
W217
W216
R236
2.2K
C23
VR203
56
10K
R23
9.1
VR203
FL
IC303
PLL LPF
R327
68K
IC303
C335
0.1
R348
3.6K
9 4 2 8 9 9
19
48
VSS4
47
LPFI
46
SPL
45
VDD4
44
OSCI
T
43
SCK
42
VSS3
41
SIZE
40
XCKI
39
TST4
38
TST3
37
TST2
36
TST1
35
SVSEP
34
XCKE
33
VDD3