4
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
BLOCK DIAGRAM
●
VIDEO UNIT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
P ON+5.0V
P ON+5.0V
NC
V GND
V GND
SW+18.5V
D GND
OPEN/CLOSE
VOL-
VOL+
LED GND
NC
LED+8.5V(B)
NC
P ON+3.3V
NC
V GND
VB
VG
VR
V GND
CSYNC
V GND
NTSC/PAL
POLC
POLS
NC
VSY
HSY
BLK
MODE3
MODE2
MODE1
HPOS4
HPOS3
HPOS2
HPOS1
NC
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
78
79
80
VCOM
NC
P ON+5.0V
AUTO DIM
KEY1
XDATA
YDATA
X0
X1
Y0
BL DET
PWM
ENABLE
SW-D
NC
BL GND
SW-A
SW-B
SW-C
BRINK
LED+8.5V(G)
LED+8.5V(R)
PON+5.0V
VGND
OPEN
V.SYNC
VGND
PON+3.3V
VR/VG/VB
PON-12.0V
PON+18.5V
PON+12.5V
V.COM
POLS/POLC/HSY/VSY/BLK
MODE1/2/3/HPOS1/2/3/4/NTSC PAL
NC
EX M+
SW+5.0V
REF+5.0V
PH DET
R SENS
NC
RI M-
RI M+
RI M+
RI M-
EX M+
EX M-
EX M-
SW-B
NC
SW-A
SW-D
SW-C
19
6
16
17
18
15
13
14
12
10
11
9
7
8
3
5
4
1
2
PDOS/OSCI
VGH+18.5V
16
NC
1
STH2
VR
2
3
VG
VB
4
5
L/R(HDIR)
8
VSS
STH1
6
7
CX
VSS
9
10
VCOM
VSS
13
CPH(CPH1)
VSS
11
12
NC
14
15
VDD2+5.0V
VDD1+3.3V
NC
17
18
19
STV2
OE2(NGOE2)
22
OE1(NGOE1)
20
21
OE3(NGOE3)
CPV
23
24
VSS
27
U/D(UPSD)
STV1
25
26
NC
VGL-12.0V
28
29
NC
30
VB
VG
VR
STV1
USPD
CPV
NGOE3
NGOE2
NGOE1
STV2
V.COM
CPH1
CX
HDIR
STH1
STH2
NGOE3/CPH1
NGOE1/NGOE2/
STV1/STV2/STH1/STH2/
USPD/CPV/HDIR/CX/
PON+18.5V
PON+5.0V
PON+3.3V
PON+5.0V
XDATA/YDATA
X0/X1/Y0
KEY1
AUTO DIM/
X0/X1/
Y0/Y1
LED GND
D.GND
PWM/ENABLE
BL+8.5V
BL GND
LED+8.5V(B)
LED+8.5V(R)/LED+8.5V(G)
LED GND
D.GND
OPEN/CLOSE/VOL+/VOL-
BRINK
H.SYNC
PON+3.3V
VGND
PON-12.0V
CN301
TC7W14FU
TC7SET08FU
IC101
IC203
IC302
DC-DC IC
LT1947
COM AMP
TA75W558FU
IC304
OPEN
CN303
INDASH MECHA
7 INCH
TIMMING
CONTROLLER
TC200G02AF-0104
IC301
NJM2107F
PLL & LPF
IC303
CN503
TOUCH PANEL
SWITCH
TOUCH PANEL
S79-0827-05
AUTO DIMMER
IC401
SW PCB
(B/3)
BACK LIGHT
INVERTER
SW PCB
(C/3)
7 INCH
LCD
CFL
CIRCUIT
to X14-
VIDEO CONTR
OL UNIT
VIDEO UNIT (X35-4280-01)
www. xiaoyu163. com
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299