© 2004-4 PRINTED IN JAPAN
B53-0166-00 (N) 2703
MONITOR WITH DVD RECEIVER
KVT-715DVD,725DVD/-B
KVT-735DVD,745DVD
KVT-765DVD,815DVD
SERVICE MANUAL
The DVD mechanism information is not in this service manual.
Please refer to service manual for X92-4750-00 (B53-0052-00).
MONITOR WITH DVD RECEIVER
Cord with plug
(E30-6301-05)
Plastic cabinet assy
(A02-2723-03)
Cord with connector
(E30-4953-05)
*DC cord
(E30-6338-05)
*DC cord
(E30-6337-05)
*Cord with connector
(E30-6340-05)
*Cord with connector
(E30-6339-05)
Screw set
(N99-1558-05)
*Screw set
(N99-1723-05)
Lever
(D10-4589-04) x2
*Antena adaptor
(T90-0512-05)
Remote controller
(A70-2064-05 : RC-DV420)
Mounting hardware assy
(J21-9934-03)
*Escutcheon
(B07-3022-02)
(B07-3058-02)
*Depends on the model. Refer to the parts list.
KVT-715DVD (K type)
TO 5L-I/F
TO NAVIGATION I/F
TO TV TUNER I/F
PREOUT
Metallic cabinet
(A01-2837-02)
*Mounting hardware
(J21-9784-04) x2
2
KVT
-7
15D
VD
,7
25D
VD/-B
,7
35D
VD
KVT
-7
45D
VD
,7
65D
VD
,815D
VD
BLOCK
DIA
GRAM
ELECTRIC UNIT (X34-315)
LX I/F
NAVI I/F
u-COM
u-COM
u-COM
to X14
to TV
u-COM
AUDIO
SELECTOR
u-COM
SELECTOR
AUDIO
AUDIO SW2
AUDIO SW1
VISUAL SW1
VIDEO SW
SYSTEM
u-COM
VISUAL SW2
VIDEO SW
SYSTEM
u-COM
RGB SW
u-COM
V
R
L
AV IN
VIDEO SW
u-COM
SYNC SEP.
MM1108XFFE
INPUT
SELECTOR
SELECTOR
OUTPUT
SOFT MUTE
u-COM
BUFF
u-COM
PROCESSOR
AUDIO
HPFILTER
+20 ~ -79dB
LPFILTER
u-COM
MUTE
MUTE
MUTE
MUTE PRE
L
R
FRONT
R
L
REAR
R
L
NF
PRE OUT
R
L
V
AV OUT
MUTE
MUTE SUB OUT
75
BUFF
DRIVER
u-COM
u-COM
u-COM
u-COM
SYSTEM
BUFF
RDS
DECODER
u-COM
(F/R)
POWER IC
SP OUT
(F/E)
SW5V
u-COM
u-COM
ANT IN
u-COM
4ch OUT
6dB AMP
75
NJM2267Vx2
IC300
(E)TYPE ONLY
BA3121F
ISO AMP
TC4052BFT
TC4052BFT
BA7652F
BA7612F
MM1234XFBE
MM1503
DRIVER
BA3121F
ISO AMP
BA3121F
ISO AMP
TC7SH08F
BUFF
E-TDA7414
TDA7401
NJM4565
AMP
NJM4565
AMP
NJM4565
AMP
TB2903H
TDA7479D
IC301
IC554
IC550
IC553
IC555
IC501
IC551
IC552
IC450,451
IC200
IC103
IC250
3
8
RESET
MUTE
REQC
REQH
DATAC
DATAH
CLK
CHCON
3
3
2
TX RX
RESET
REMO
MUTE
M CON
M CLK
M DATAH
M DATAC
M REQH
M REQC
OOMP GND
COMP V
COMP GND
COMP V
RGB GND
B
G
R
DVD R
DVD L
3
3
7
TV L
TV R
TV COMP V
R
G
B
SC DATA
SC REQ
MC DATA
MC REQ
BP CLK
SC CON
(REMO)
RESET
6
3
3
0
1
2
3
2
3
0
2
1
2
3
S2
1
S1
2
2
3
S1
S2
1
2
SW
3
CTL
1
2
CD-
AUX
CD
MD
MPX/A
MAIN
SELECTO
SELECTO
SUB
2
2
ACIN 0
ACIN 1
ACIN 2
ACIN 3
MID
REAR
FR
ONT
FREE
SMETER
QU
A
L
DCERR
AFS
SMUTE
SD
A
SCL
WIN
IN
6
2
2
2
AB
2
B
A
HP-FL
HP-FR
HP-RL
HP-RR
AUX-L
AUX-R
NF
FRONT
REAR
SDA
SCL
2
2
2
2
2
IN (FRONT)
IN (REAR)
DC OFFSET
STBY
SVR
PMUTE
BEEP
4
3
MPX
RDCL
RDDA
QUAL
OUT
16
SMETER
A OUT
IF COUNT
SDA
SCL
AM IN
FM IN
VDD 5V
4
ILL
GND
B.U
LINE MUTE
EXT AMP CONT
P.CON
ANT.CON
FL,FR,RL,RR
6
4
AC
SUB
ELECTRIC
UNIT
3
KVT
-7
15D
VD
,7
25D
VD/-B
,7
35D
VD
KVT
-7
45D
VD
,7
65D
VD
,815D
VD
BLOCK
DIA
GRAM
POWER SUPPLY
(X14-939)
VIDEO CONTROL UNIT
from X14 MCU
MOTOR
DRIVER
MOTOR
DRIVER
from X14 MCU
OR
to X14 MCU
from X14 MCU
to ROM WRITER
RGB SW
CLAMP
(E) TYPE ONLY
+DRIVER+MUTE
LPF+6dB amp
ENCODER
VIDEO
DECODER
MPEG
OSC
27MHz
SYS
COM
EEPROM
2ch AUDIO
DAC
MUTE
COAX DRIVER
COAX
to BOX MCU
to X34
(ELECTRIC UNIT)
to
D
VD
MECHANISM
ASSY
to X14 MCU
DC CONNECTOR
TRANCE
DC/DC
DC/DC
REG
REG
REG
SRAM
MPU
to X16 (SUB CIRCUIT UNIT)
to X35 (VIDEO UNIT)
LB1836
LB1836
OSD IC
LC74735NW9817E
MB29LV8T9TN6R
FROM
DC/DC
CHROMA &
AN2546FH-AV
IC
NJW1303V
SYNC SEP
MM1234XFBE
RGB SW
E2PROM
MM1389XFBE
70F3089YGJ-7R5
SYS COM
ADV7170KSU
ES6218SF
MT48LC4M16T75I
SDRAM
29LV160AT17R2
FLASH
SRAM
K6F1008V2CYF55
MM1567AJBE
AK4382AVT
FPGA
M4A3212V18TV1
NJM4580V
LPF
IC401
IC400
IC202
IC203
IC303
IC103
IC104
IC100
IC101
IC102
IC108
IC521
IC520
IC770
IC703
IC701
IC204
IC200
IC541
IC560
IC601
IC652
IC650
IC304
IC362
IC200
IC204
I/F
CONNECT
OR
CN501
LCD CONTROL
LCD CS
LCD DATA
LCD CLK
EJECT
KEY CONTROL
SRC
RESET
KEY2
REMO
LED R,G,B
LED SW
SRM MO12
SRM MO11
2
SRM MO22
SRM MO21
2
OSD DATA
OSD CLK
OSD CS
OSD RST
OSD RG
HD,VD
HSY
,VSY
RGB
VCO
CLAM
POLC
POLS
3
BLK
(MASK)
VMUTE
CSYNC
AUTO DIMMER
PH DET
MEC SW A,B,C
KEY1
VOL1
VOL2
BL DET
MEC SW D
XDATA,YDATA
POS D
NTSC PAL
HPOSI1,2,3,4
MODE1,2,3
X0,Y0,Y1
PWM
SCL
SDA
(12C BAS)
M CLK
FROM VPP
S DATA
M DATA
RESET
SYNC SW
TV,NAVI RG
COMPOSIT
D
VDRGB
DVDCOMP V
DVDRGB
DVDCOMP V
CCIR601 [7:0]
VCLOCK
VSYNC
HSYNC
DATABUS [15:0]
SDRAM CLK
RGB SW
VIDEO
ATAPI I/F
LOCAL I/F
BCLK
DATAI
LRCLK
MCLK
SPDIF
R REQ
M CLK
S DATA
S REQ
M DATA
SYS ON
ADACML
ADACMC
ADACMD
ADACRST
27MHz
CS
CPUA [1:0]
CPUA17
CPUD [3:0]
SYSTEM DATABUS
[15:00]
REMO
ACC DET
REV DET
PRK DET
ACC
REVERSE
ILLUMI
BU14.4
GND
PRK SW
+14.4
PON
8.5V
PON
+14.4
SW5V
MECHA7V
+14.4
PON
SW3
+7.5V
SW2V
+7V
-7V
BU5V
BU3.3V
+14.4
NTSC/PAL
AUDIO
DOWN MIX
VIDEO
CONTR
OL
UNIT
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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
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
BL GND
NC
BL+8.5V
BL+8.5V
NC
D GND
PH DET
SW+5.0V
REF+5.0V
R SENS
NC
RI M-
RI M-
RI M+
RI M+
EX M-
EX M-
EX M+
EX M+
NC
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)
5
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
COMPONENTS DESCRIPTION
VIDEO CONTROL UNIT (X14-939x-xx)
Ref No.
Application / Functions
Operation / Condition / Compatibility
IC100
AVR
Switching power supply (SW5V, MECHA7V)
IC101
AVR
Switching power supply (SW3.3V, PANEL MECHA7V)
IC102
AVR
Switching power supply (
±7.5V, BL8.5V)
IC103
AVR
BU5V output
IC104
AVR
BU3.3V output
IC105
BU detector
Reduced voltage detector for BU line
IC106
P ON control
Power ON control IC
IC107
AVR
VIDEO7.5V output
IC108
AVR
SW2V output
IC200
E2PROM
E2PROM for system microprocessor
IC202
Motor driver
Slide mechanism motor driver
IC203
Motor driver
Tilt mechanism motor driver
IC204
System microprocessor
System control microprocessor
IC205
Buffer
Remote controller signal buffer
IC206
Reset
Reset control for system microprocessor
IC207
Reset IC
Reset IC for system microprocessor
IC300
AVR
VIDEO5V output
IC301
1H DELAY
1H DELAY (for PAL video signal)
IC302
RGB sw
RGB synchronize signal separator
IC303
RGB decoder
RGB signal decoder
IC304
RGB sw
RGB video signal switch (switching for DVD/NAVI, TV)
IC305
AVR
VIDEO3V output
IC306
Muting control
Video muting control
IC361
Sync mix.
Sync mixer for HD and VD sync
IC362
Sync sep.
Synchronies separator
IC363,364
Buffer
3CH buffer (HD, VD signal)
IC365
Timing generator
HD timing generator (for OSD)
IC400
OSD
Graphic generator (for OSD)
IC401
Flash ROM
Font data ROM (for OSD)
IC520
Flash ROM
FLASH ROM (for MPEG decoder control program)
IC521
SRAM
SRAM (MPEG decoder backup ROM)
IC522
Selector
Chip selector for SRAM
IC540
Buffer IC
27MHz buffer
IC541
Inverter
27MHz oscillator
IC560
SDRAM
SDRAM (for memory for decode data)
IC580
Level shift
Level shift (3.3V
5V)
IC601
Decoder
MPEG decoder
IC650
Amp
Video signal amp (6dB & LPF)
IC651
AVR
VIDEO5V output
IC652
Encoder
Video encoder
IC701
LPF
Audio LPF