Kenwood KVT-715DVD User manual

© 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).
MONITORWITH 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/FTO NAVIGATION I/FTO TV TUNER I/FPREOUT
Metallic cabinet
(A01-2837-02)
*Mounting hardware
(J21-9784-04) x2
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

2
KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765DVD,815DVD BLOCK DIAGRAM
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
RFRONT
R
LREAR
R
LNF
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
8RESET
MUTE
REQC
REQH
DATAC
DATAH
CLK
CHCON
3
3
2TX 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
3S2
1
S1 2
2
3S1
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
FRONT
FREE
SMETER
QUAL
DCERR
AFS
SMUTE
SDA
SCL
WIN IN
6
22
2
AB
2
BA
HP-FL
HP-FR
HP-RL
HP-RR
AUX-L
AUX-R NF
FRONT
REAR
SDA
SCL
2
22
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
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

3
KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765DVD,815DVD
BLOCK DIAGRAM
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 DVD 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)
LB1836LB1836
OSD IC
LC74735NW9817EMB29LV8T9TN6R
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
IC521IC520
IC770
IC703 IC701
IC204
IC200
IC541
IC560 IC601 IC652
IC650
IC304
IC362
IC200
IC204
I/F CONNECTOR
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
DVDRGB
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 CONTROL UNIT
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7
6 3
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2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

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
1STH2
VR
2
3VG
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 CONTROL UNIT
VIDEO UNIT (X35-4280-01)
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7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

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
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

6
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
Ref No. Application / Functions Operation / Condition / Compatibility
IC702 AVR AUDIO5V output
IC703 DAC Audio DAC
IC750 Driver Digital output driver
IC770 Audio & SRAM cont. Audio DAC & SRAM control
Q100~103 SW P ON control sw
Q104,105 BU det. Reduced voltage detector for BU line
Q106 Power FET SW14V output
Q107 ACC det. ACC detect control
Q108 PARK det. Parking detector
Q109 AVR For SW5V, MECHA7V
Q110 AVR For SW3.3V, PANEL MECHA7.5V
Q111 AVR For ±7.5V, MECHA7V
Q112 AVR VIDEO7.5V output
Q113~116 AVR FAN driver (12.8V)
Q117 AVR cont. Panel mechanism AVR control
Q118,119 Current det. BL8.5V over current detector
Q120~124 SW Select SW BU5V or SW5V line
Q170,171 SW OSC selector (SW5V, MECHA7V)
Q172,173 SW OSC selector (SW3.3V, PANEL MECHA7.5V)
Q174,175 SW OSC selector (±7.5V, MECHA7V)
Q200,201 Illume cont. Illumination control (BLEU)
Q202,203 Illume cont. Illumination control (GREEN)
Q204,205 Illume cont. Illumination control (RED)
Q207 Reset Microprocessor reset control
Q300 Selector NTSC/PAL selector (chroma LFC frequency)
Q360 Buffer Buffer (Y signal)
Q361 Buffer Buffer (C signal)
Q362 Buffer Buffer (forV sync separator)
Q400 Buffer Buffer (RED signal for OSD)
Q401 Buffer Buffer (GREEN signal for OSD)
Q402 Buffer Buffer (BLUE signal for OSD)
Q403 Selector NTSC/PAL selector (for OSD clock)
Q650 Inverter sw Inverter (RGB SW)
Q652 Muting Muting for IC650 (6pin)
Q701 Muting Audio DMIX L muting
Q702 Muting Audio DMIX R muting
Q703~707 Audio mute. Audio muting control
Q751,752 COAX drv. Drive for coaxial digital output
Q901,902 TDF panel AVR cont. TDF panel AVR ON/OFF control
COMPONENTS DESCRIPTION
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

7
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
●ELECTRIC UNIT (X34-315x-xx)
Ref No. Application / Functions Operation / Condition / Compatibility
IC1 AVR AUDIO8.4V AVR (for audio circuit)
IC3 AVR VIDEO5V AVR (for video circuit)
IC4 AVR ±9.0V AVR (for 5V pre out circuit)
IC100 Logic IC Audio muting control
IC101 Reset IC When BU voltage less than 3.7V, this IC output is L (Rsest)
IC103 System control System microprocessor (control for X32 unit, communication for another unit)
IC200 RDS decoder IC RDS signal decoder
IC250 Power amp Audio power amp (50W x 4)
IC300 Digital audio processor DSP for audio (4ch high pass filter, 2ch low pass filter)
IC301 Audio system IC Electrical volume, audio selector, noise chancellor, FM mpx
IC350 Amp Isolation amp (for LX BUS)
IC400 Logic IC Isolation for navigation signal line and another common line
IC450,451 Amp 75Ωvideo driver & 6dB amp (X34 unit to X14 unit)
IC452 Logic IC Reset signal inverter
IC500 Amp Isolation amp (forTUNER)
IC501 SW RGB selector (TV or NAVI line)
IC550,554 4ch multiplexer Select for audio signal (LX or NAVI line, TV or AV IN)
IC 551 Video SW Select for composite video signal (IC553 or AV IN) : Use for NTSC/PAL detector and back camera detect
IC552 Sync sep. Sync separator (place for NTSC or PAL format signal)
IC553 75Ωdriver & video sw Select for video signal to X14 unit (TV, AV IN, NAVI)
IC555 75Ωdriver & video sw Select for video signal to AV out terminal (DVD, TV, AV IN)
IC600 Amp Isolation amp (for AV IN)
IC602~604 OP AMP For 5V pre out
IC702 OP AMP 1/2VCC for IC350 AND IC500 (LX, TV)
IC900 OP AMP For noise canceled
Q1 BU5V sw Q1 is ON When supplied for BU14V
Q2 BU5V sw Q2 is ON When supplied for BU14V
Q3 SW5V sw Q3 is ON When Q9 is ON
Q4 A9V sw Q4 is ON When supplied for SW14V
Q5 V5V sw Q5 is ON When supplied for SW14V
Q6 AVR (A9V) Q6 is ON When Q4 is ON
Q8 AVR (SW14V) Q8 is ONWhen P ON line is ON
Q9 AVR (SW5V) Q9 is ONWhen P ON line is ON
Q10 SW (V5V) Q10 is ON When Q5 is ON
Q11 SW (±9V) Q11 is ON When Q12 is ON
Q12 SW (±9V) Q12 is ON When supplied for SW14V
Q13~18 AVR -9V output
Q19 Illumination sw Q19 is ON when Car Illumination sw is ON
Q20 ANT-CONT SW ANT-cont is ON when select for TUNER
Q21 SW Q21 is ON when P CONT is ON
Q22 SW Q22 is ON when Q21 is ON
COMPONENTS DESCRIPTION
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

8
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
Ref No. Application / Functions Operation / Condition / Compatibility
Q23 P-ANT SW Q23 is ON when Q20 is ON
Q24 SW Q24 is ON when Q25 is ON
Q25 SW Q25 is ON When supplied for BU14V and Q25 is OFF When Q22 is ON
Q26 BU det. Q26 is ON When supplied for BU detect
Q27 EXT-AMP sw Q27 is ON when Ext-cont is L
Q100 Inverter sw Q100 is ON when S-MUTE is ON
Q200 SW (AM AVR) Q200 is ON when select for TUNER function
Q201 SW (AM AVR) Q201 is ON when Q200 is ON
Q300 Noise det. sw Q300 is ON when QUAL terminal is H for IC301
Q301 S-mute sw Q301 is ON when Q100 is ON
Q460 Reset sw For TV reset signal (invert for reset signal )
Q551~554 Voltage shift Voltage shift for 5V to 8V (for audio selector sw)
Q600~606 Preout mute Q600~606 is ON when Q603 is ON (for pre out muting)
Q603 Preout mute Q603 is ON when MUTE-PRE is ON (for pre out muting)
Q608,610 AV out mute Q608, 610 is ON when Q609 is ON
Q609 AV out mute Q609 is ON when MUTE-AVOUT is ON (for AV out muting)
Q900 Fan 5V Q900 is ON when Q901 is ON
Q901 Fan 5V Q901 is ON when Q902 is ON
Q902 Fan 5V Q902 is ON When supplied for SW5V
Q903 Fan 5V Q903 is ON when Q900 is ON
Q904~906 Noise cancel Noise cancel circuit
●VIDEO UNIT (X35-4280-01)
Ref No. Application / Functions Operation / Condition / Compatibility
IC1 Inverter control IC Control for LCD back light (inverter circuit and driver)
IC101 DC/DC converter For VCOM amp (±12V, for LCD -12.0V/+18.5V)
IC203 Amp VCOM signal amp
IC301 Timing controller Control for LCD
IC302 AND V. SYNC delay line buffer
IC303 PLL LPF PLL control LPF (VT voltage control)
IC304 Schmidt inverter Waveform shaping for c.sync signal
IC401 Dimmer sensor Dimmer detect sensor
Q1 Dimmer SW On and off is carried out with the control of PWM signal, and dimmer for LCD back light
Q2,3 Inverter driver Drive for inverter circuit
Q5 AVR 5V output for inverter control IC
Q201~203 VCOM driver VCOM signal buffer
Q301 VCO PLL oscillator
Q501 Touch panelY1 sw Y0 (X0) SW Y (X)axis input data : ON, X (Y) axis input data : OFF
Q502 Touch panel X0/Y1 sw Y1 SW Y axis input data : ON and impressed voltage
Q503 Touch panel X1/Y0 sw X1 SW Detect to touch panel or X axis data input : ON and impressed voltage
Q601 SW OPEN/CLOSE key illumination blinking sw
COMPONENTS DESCRIPTION
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

9
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
MICROCOMPUTER’STERMINAL DESCRIPTION
●System Main Microprocessor : 70F3089YGJ-7R5 (X14 : IC204)
Pin No. Name I/O Description / Processing Operation
1AUTO_DIM I Auto dimmer control
2KEY4 I Key input terminal
3KEY3 I Key input terminal
4NC INC
5PGND0 - GND
6PM1_SWD I Panel mechanism tilt down detect terminal
7 LCD_VOFF_EN O LCD back light on/off control (H :On, L : Off)
8NC ONC
9TP_YG O Touch panel control
10 TP_XP O Touch panel control
11 TP_XG O Touch panel control
12 LCD_HPOSI1 O Starting position setting for LCD display
13 LCD_HPOSI2 O Starting position setting for LCD display
14 LCD_HPOSI3 O Starting position setting for LCD display
15 LCD_HPOSI4 O Starting position setting for LCD display
16 LCD_MODE1 O Aspect setting for LCD display
17 LCD_MODE2 O Aspect setting for LCD display
18 LCD_MODE3 O Aspect setting for LCD display
19 LCD_MIRROR O Screen image control (H : Flip horizontal, L :Normal)
20 ILL_R O Illumination control (H : Red ON)
21 ILL_G O Illumination control (H : Green ON)
22 PVDD0 - VDD (BU5V)
23 ILL_B O Sub panel back light control (H : Light up for Blue)
24 NTSC_PAL O Select for NTSC/PAL TV format (H : PAL, L : NTSC)
25 PM_LED_SW/PM_LED_SW O Open/close key LED blinking control (H : Lighting on, L : Light off)
PM_LED_SW SI O SI LED control (H : Lighting on, L : Light off)
26 LCD_PON O DC/DC converter on/off control (for X35- unit, H :On)
27~29 NC O NC
30 V_MUTE O Video muting control (H : Muting on)
31 RGB_SW O Source selector for video (H : DVD, L : Other)
32 S_MUTE O Composite synchronized signal muting control (L : Full display, H : Other)
33 SYS_SREQ I Request signal from sub microprocessor
34 SYS_MREQ O Request signal for sub microprocessor
35 SYS_ON O Power control for sub microprocessor (H : On, L : Off)
36 CLKOUT - NC
37 GND0 - GND
38 CPUREG - Coupling capacitor connect terminal
39 VDD0 - VDD (BU5V)
40 RESET I Reset terminal (L : Reset)
41 FROM_VPP - NC
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6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

10
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
Pin No. Name I/O Description / Processing Operation
42 MINI_CS O Chip select for mini LCD driver
FLASH_SI I Use for flash microprocessor
MINI_DATA/MINI_DATA O Data for mini LCD driver
43 MINI_DATA/LEDSW_SUB O Panel LED control for with out mini LCD model (H : Lighting on, L :Light off)
MINI_DATA/FLASH_SO O Use for flash microprocessor
44 MINI_CLK/MINI_CLK O Clock for mini LCD driver
MINI_CLK/FLASH_CLK I Use for flash microprocessor
45 KEY_OPEN I Open/close key input terminal
46 BE_SDATA I Data from back-end microprocessor
47 BE_MDATA O Data for back-end microprocessor
48 BE_CLK O Clock for back-end microprocessor
49 BE_RST O Reset for back-end microprocessor (L :Reset)
50 BE_MREQ O Request for back-end microprocessor
51 BE_SREQ I Request from back-end microprocessor
52 PON O Power on/off control (H :Power on)
53 PM1_MCNT O 5V/7.5V AVR control (H : 5V, L : 7.5V)
54 POWER_DET I BU line condition detect terminal (L : Power voltage trouble)
55 PAK_DET I Packing detect terminal (H : Parking detect)
56 M_MUTE O Audio muting control (L :Muting on)
57 DVD_DISC_DET I Disc insert detect terminal (L : Disc insert the unit)
58 NC O NC
59 D_MUTE O Digital audio on/off control (H : Muting off, L : Muting on)
60 PVDD1 - VDD (BU5V)
61 LCD_BRIGHT O Dimmer control for inverter (L :Back light lighting off)
62~65 NC O NC
66 JIG_EJ I 2DIN FC detect terminal (H : FC, L : Other)
67 NC O NC
68 SUBLED_OFF O Sub panel LED on/off control (H : Eject, L : Other)
69 ACC_DET I Acc voltage detect terminal (L : ACC on)
70 XT2 - Sub clock (32.768kHz)
71 XT1 - Sub clock (32.768kHz)
72 GND2 - GND
73 X1 - Main clock (19.8MHz)
74 X2 - Main clock (19.8MHz)
75~78 NC O NC
79 FSEL1 O DC/DC converter frequency control
80 FSEL2 O DC/DC converter frequency control
81 BU_DET I Back up line voltage detect terminal (L : Reduced voltage)
82 KEY_SRC I Source select key input terminal
83 KEY_DVDEJ I DVD eject key input terminal
MICROCOMPUTER’STERMINAL DESCRIPTION
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2
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4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

11
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
Pin No. Name I/O Description / Processing Operation
SDA CHROMA_SDA I/O Data for chroma control IC
CODE_SDA I/O Data for EEPROM (Code)
SDA BE_SDA I/O Data for EEPROM (Region)
84 SDA LCD_SDA I/O Data for EEPROM (Starting position setting for LCD)
SDA COR_SDA I/O Data for EEPROM (ROM correction)
SDATP_SDA I/O Data for EEPROM (Adjustment value)
SDA CADJ_SDA I/O Data for E2PROM (Chroma adjustment value)
85 NC - NC
SCL CHROMA_SCL I/O Clock for chroma IC
CODE_SCL I/O Clock for EEPROM (Code)
SCL BE_SCL I/O Clock for EEPROM (Region)
86 SCL LCD_SCL I/O Clock for EEPROM (Starting position setting for LCD)
SCL COR_SCL I/O Clock for EEPROM (ROM correction)
SCL TP_SCL I/O Clock for EEPROM (Adjustment value)
SCL CADJ_SCL I/O Data for E2PROM (Chroma IC adjustment value)
87~91 NC O NC
92 PGND1 - GND
93 MINI_CLK_IN I Clock for mini LCD driver (from 44pin)
94 MINI_DATA_IN I Data from mini LCD driver
95 NC O NC
96 PAN_DET I Front panel description detect terminal (L : Attached, H : Pull off)
97 OSD_CLK O Clock for OSD IC
98 OSD_CS O Chip select for OSD IC
99 OSD_DATA O Data for OSD IC
100 NC O NC
101 DSI O DSI LED control (H : Lighting up)
102 PVDD2 - VDD (BU5V)
103 MINI_PON I/O Mini LCD power control (H : Power on, L : Off)
104 PM1_SET_STATUS0 O Test for panel mechanism for torture test (for reliability testing)
105 PM1_SET_STATUS1 O Test for panel mechanism for torture test (for reliability testing)
106 PM1_SET_STATUS2 O Test for panel mechanism for torture test (for reliability testing)
107 SYS_SDATA I Data from sub microprocessor
108 SYS_MDATA O Data for sub microprocessor
109 SYS_MCLK O Clock for sub microprocessor
110 NC O NC
111 WRT_E2P I Writing control from ext. input (H :Writing, L : Except)
112 TYPE0 I Destination setup terminal
113 TYPE1 I Destination setup terminal
114 TYPE2 I Destination setup terminal
115 TYPE3 I Destination setup terminal
116~119 NC O NC
MICROCOMPUTER’STERMINAL DESCRIPTION
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7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

12
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
Pin No. Name I/O Description / Processing Operation
120 OSD_RST O Reset for OSD IC (L : Reset)
121 OSD_A18 I/O Ext. address bus A18
122 OSD_A19 I/O Ext. address bus A19
123 NC O NC
124 PM1_TMOTOR_M O Panel mechanism motor control (Tilt)
PM2_TILT_UP O NC
125 VD I NAVI detector (Old and new type unit)
126 PM1_TMOTOR_P O Panel mechanism motor control (Tilt)
PM2_TILT_DOWN O NC
127 PM1_SMOTOR_M O Panel mechanism motor control (Slide)
128 VDD1 - VDD (BU5V)
129 PM1_SMOTOR_P O Panel mechanism motor control (Slide)
130 PM1_SWC I Panel mechanism slide position detect terminal
131 GND1 - GND
132 PM1_SWB I Panel mechanism slide position detect terminal
133 PM1_SWA I Panel mechanism slide position detect terminal
134 NC O NC
135 KEY2 I Panel key input terminal
136 VOL- I Volume down data input terminal
137 VOL+ I Volume up data input terminal
138 PM_LPS PM1_LPS1 I Panel mechanism tilt voltage detect terminal
PM_LPS PM2_TILT_SENCE I NC
139 PM1_PHOTO1 I Panel mechanism slide photo transistor detect terminal
140 TP_YDATA I Touch panel input terminal (Y direction)
141 TP_XDATA I Touch panel input terminal (X direction)
142 KEY1 I Panel key input terminal
143 ADCVDD - VDD (SW5V)
144 ADCGND - GND
Destination setup terminal
Model Type TYPE3 TYPE2 TYPE1 TYPE0
(115pin) (114pin) (113pin) (112pin)
KVT-715DVD K L L L H
KVT-725DVD E L L H L
KVT-735DVD M L L H H
KVT-745DVD X L H L L
KVT-765DVD C L H L L
KVT-815DVD K (eXcelon) L H H L
KVT-745DVD R L H H H
DC/DC converter frequency control
Oscillator KEFSEL1 FSEL2
(530~1700kHz) (522~1629kHz) (79pin) (80pin)
405kHz 153~281 L L
405kHz 530~700 522~702 L L
505kHz 710~890 711~891 H L
622kHz 900 900 L H
405kHz 910~1080 900~1080 L L
622kHz 1090~1110 1089~1116 L H
505kHz 1120~1350 1125~1350 H L
405kHz 1360~1440 1359~1440 L L
622kHz 1450~1670 1449~1629 L H
505kHz 1680~1700 H L
For except select AM function (fixed FSEL1 : L, FSEL2 : L)
MICROCOMPUTER’STERMINAL DESCRIPTION
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7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

13
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
●System Sub Microprocessor : 70F3089YGJ-7R7 (X34: IC103)
Pin No. Name I/O Description / Processing Operation
1NC INC
2RDS_NOISE I RDS FM noise detect terminal
3 DC_ERR I DC offset voltage detect terminal (L : detect)
4 LINE_MUTE I Line muting detect terminal (TEL muting : Less than 1V, NAVI muting : More than 2.5V)
5PORTGND0 - GND
6AUDIO_SW1_B O Audio selector (LX/TV/AVIN)
7MUTE_PRE O Pre out muting control (L : Muting on)
8AUDIO_SW2_A O Audio selector (LX/TV/AVIN)
9AUDIO_SW2_B O Audio selector (LX/TV/AVIN)
10 AUD_SCL I/O IIC bus clock (for IC2-5-2)
11 AUD_SDA I/O IIC bus data (for IC2-5-2)
12 S_MUTE O S-MUTE control (H : Muting on, L : Muting off)
13 AUDIO_SW1_A O Audio selector (LX/TV/AVIN)
14 RDS_AFS_L I/O Time constant selector for noise detector (RDS)
15 RDS_AFS_M I/O Time constant selector for noise detector (RDS)
16 MUTE_LEFT O Hand-hold Lch muting control (L : Muting on)
17 MUTE_RIGHT O Hand-hold Rch muting control (L : Muting on)
18 VISUAL_SW1_1 O Video selector (TV/AVIN/NAVI)
19 VISUAL_SW1_2 O Video selector (TV/AVIN/NAVI)
20 VISUAL_SW2_1 O Video selector (DVD/TV/AVIN)
21 VISUAL_SW2_2 O Video selector (DVD/TV/AVIN)
22 PORTVDD0 - VDD (BU5V)
23 MUTE_AVOUT O Av out muting control (L :Muting on)
24 NC O NC
25 MUTE_SUBOUT O IC2 sub out muting control (L : Muting on)
26 NC O NC
27 SYS_MREQ I Request signal from system main microprocessor
28 SYS_SREQ O Request signal to system main microprocessor
29~32 NC O NC
33 P_CON O Ext. amplifier power control (H :Power on :except all off mode, L : All off or power off)
34 EXT_CONT O Ext. amplifier power control (H :Power on :except all off mode, L : All off or power off)
35 ANT_CONT O Power antenna control (H : Power antenna up, L : Power antenna down)
36 CLKOUT O NC
37 GND0 - GND
38 CPUREG - Coupling capacitor connect terminal
39 VDD0 - VDD (BU5V)
40 RESET I Reset input terminal
41 MODE/VPP - Type selector (Flash : Pull down, Mask : GND)
42 TV_SDATA TV_SDATA I Data from TV unit
TV_SDATA FLASH_SI I Use for flash ROM program writing
MICROCOMPUTER’STERMINAL DESCRIPTION
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4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

14
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
Pin No. Name I/O Description / Processing Operation
43 TV_MDATA TV_MDATA O DATA for TV unit
TV_MDATA FLASH_SO O Use for flash ROM program writing
44 TV_CLK TV_CLK O Clock forTV unit
TV_CLK FLASH_CLK I Use for flash ROM program writing
45 SYS_ON I Control for power on/off from main microprocessor (H : Hide-way unit on, L : Off)
46 SYS_MDATA I Data from main microprocessor
47 SYS_SDATA O Data for main microprocessor
48 SYS_MCLK I Clock from main microprocessor
49 PWIC_STBY O Audio power IC stand-by control (H : Power on, L : Power off)
50 NC O NC
51 PWIC_SVR O SVR discharge control (H : Discharge )
52 PWIC_MUTE O Audio power IC muting control (L : Muting on or all off)
53 NC O NC
54 ILLUMI_DET I Illumination detect terminal (L : Illumination on)
55,56 NC O NC
57 BU_DET I Backup line voltage detect terminal (H : Reduced voltage less than 8.8V)
58,59 NC O NC
60 PORTVDD1 - VDD (BU5V)
61 PWIC_BEEP O Beep audio output terminal
62 P_ON O Control for AVR (SW5V H : on)
63 SCL COR_SCL I/O Clock for EEPROM (ROM correction)
SCL IC5_SCL I/O IIC bus clock (for IC5)
64 SDA COR_SDA I/O Data for EEPROM(ROM correction)
SDA IC5_SDA I/O IIC bus data (for IC5)
65 ES_DSP_SW O Select for audio system E's or DSP (H : DSP, L : E’s)
66 BUS_MUTE O Bus muting (H : Muting)
67 MZ_ILL_ON O MZ-Bus illumination control (H : Illumination on)
68 MZ_SYSON O MZ-Bus system on control (L : Bus on)
69 MZ_SYSOFF O MZ-Bus system off control (L : Bus off)
70 XT2 - NC
71 XT1 NC
72 GND2 - GND
73 X1 Main clock (18.874MHz)
74 X2 - Main clock (18.874MHz)
75~80 NC O NC
81 SYS_MUTE I Muting control from Main unit microprocessor (L : Request for muting)
82,83 NC O NC
84 TUN_SDA I/O Front-end I2C data input/output terminal
85 NC O NC
86 TUN_SCL I/O Front-end I2C clock output terminal (Max 400kHz)
87,88 NC O NC
MICROCOMPUTER’STERMINAL DESCRIPTION
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1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

15
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
Pin No. Name I/O Description / Processing Operation
89 MZ_BUS_STBY O BUS-IC standby control (L : Standby)
90 MZ_IERX I Data from IE-bus
91 MZ_IETX O Data for IE-bus
92 PORTGND1 - GND
93,94 NC O NC
95 RGB_SW O Select for monitor output (H : NAVI, L : Other )
96 TV_SREQ I Request from TV unit
97~99 NC O NC
100 TV_MREQ O Request forTV unit
101 TV_CON O Start-up control for TV unit (H :TV unit on, L :Off)
102 PORTVDD2 - VDD (BU5V)
103,104 NC O NC
105 MUTE_ACOUT O IC2 sub out muting control (L : Muting on)
106 NC O NC
107 LX_DATA_S I Data from slave unit
108 LX_DATA_M O Data for slave unit
109 LX_CLK I/O LX BUS clock
110 LX_REQ_S I Communication request from slave unit
111 NAVI_RX I Data from NAVI unit
112 NAVI_TX O Control data to NAVI unit
113 NC O NC
114 REMO I Remote control sensor input terminal
115 LX_REQ_M O Communication request for slave unit
116 LX_RST O Reset for slave unit (H : Reset)
117 LX_MUTE I Muting signal request from slave unit (H : Muting on, L : Off)
118 LX_CON O Start-up control for slave unit (H :Slave unit on, L :Off)
119 NC O NC
120 VSYNC_DET I V sync input terminal
121,122 NC O NC
123 RDS_DATA I DATA input terminal (for RDS decoder)
124 RDS_QUAL I QUAL input terminal (for RDS decoder)
125 RDS_CLK I CLK input terminal (for RDS decoder)
126 NC O NC
127 PON_AM O Control for AM power supply (H : Select for AM)
128 VDD1 - VDD (BU5V)
129 TUN_TYPE0 I Destination setup terminal
130 TUN_TYPE1 I Destination setup terminal
131 GND1 - GND
132 WRT_E2P I Writing control from ext. input (H :Writing, L : Except)
133 VSYNC_SW O AVIN NTSC/PAL detector/AVIN2 auto detector
134 MUTE_SW O Sub woofer muting control (L : Muting on)
MICROCOMPUTER’STERMINAL DESCRIPTION
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6 3
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0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

16
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
TUN_Type0,TUN_Type1
Model TUN_TYPE0 (129pin) TUN_TYPE1 (130pin)
AFTER L L
OEM1 L H
OEM2 H L
OEM3 H H
Type0~Type3
Model Type TYPE3 TYPE2 TYPE1 TYPE0
(140pin) (139pin) (138pin) (137pin)
KVT-715DVD K L L L H
KVT-725DVD E L L H L
KVT-735DVD M L L H H
KVT-765DVD C L H L L
KVT-745DVD X L H L H
KVT-815DVD K (eXcelon) L H H L
KVT-745DVD R L H H H
Audio selector
AUDIO_SW1_A (13pin) AUDIO_SW1_B (6pin) OUTPUT
LLIN3 NC
HLIN2 AVIN
LHIN1 TV
HHIN0 LX
AUDIO_SW2_A (8pin) AUDIO_SW2_B (9pin) OUTPUT
LLIN3 NC
HLIN2 AVIN
LHIN1 TV
HHIN0 NC
Video selector (BA7652AF)
VISUAL_SW1_1 VISUAL_SW1_2 OUTPUT
(18pin) (20pin)
LLIN1 TV
HLIN2 AVIN
LHIN3 NAVI
HH*MUTING -
Video selector (BA7612F)
VISUAL_SW2_1 VISUAL_SW2_2 OUTPUT
(19pin) (21pin)
LLIN1 DVD
LHIN2 TV
HLIN3 AVIN
HH*MUTING -
* Muting is ON when select for full OSD mode.
Muting OFF when switched OSD to normal mode.
LX clock setting
9kHz STEP 10kHz STEP LX-CLK
AM frequency (kHz) AM frequency (kHz) (kHz)
594~639 590~640 115.1
846~891 850~890 117.963
1089~1143 1090~1140 117.963
1341~1395 1340~1390 117.963
1593~1611 1590~1640 117.963
*LX-CLK setting are 124.171kHz (other source, AM seek, with out
above table AM tuning).
MICROCOMPUTER’STERMINAL DESCRIPTION
Pin No. Name I/O Description / Processing Operation
135 TUN_SMETER I S-meter input terminal
136 TUN_IFC_OUT I Front-end IFC signal input terminal (H : Receiving for broadcasting, L :Other)
137~140 TYPE0~TYPE3 I Destination setup terminal
141,142 NC I NC
143 ADCVDD - VDD (BU5V)
144 ADCGND - GND
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6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

17
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
TEST MODE
●How to enter the test mode
While pressing and holding the Eject key and SRC key, reset
the unit.
●How to exit from the test mode
While holding the Reset key, reset the unit.
Note : Turning ACC off, power off, momentary powers down
are does not exit for the test mode.
●Test mode operation
•Source selector :VIDEO
Each press of the V SEL key in TEST mode should switch
from VIDEO→NAVIGATION→DVD→VIDEO
•Volume : STEP 30
•Switching for Video detector or Test mode main menu (for
FNC key on)
• Microprocessor information
• Information for service menu / Serial code writing *
•Chroma adjustment *
•Writing value for LCD panels touch position adjustment *
• Display position adjustment *
•Security code writing (E,M,X,C type only) *
You must adjustment for * mark function when you repaired
for IC200 (X14-939 :Video control unit).
●Simple way to clear the security code
(without E,M,X,C type)
1)How to enter the security code entry
While pressing the Reset key when unit is security on mode.
2)Enter, “KCAR” with the remote controller as described be-
low.
•Press the remote controller 5 key twice.(Enters a “K”)
•Press the remote controller 2 key three times.(Enters a
“C”)
•Press the remote controller 2 key once. (Enters an “A”)
• Press the remote controller 7 key twice.(Enters an “R”)
Code request mode appears if a mistake was made in en-
tering the numbers.
3)Security function is canceled and unit sets to Menu display
mode.
●Specification of test mode on-screen
Default display is Test mode Main when selected graphic dis-
play mode that in the test mode.
Test Mode Main screen
Information Touch
adjustment
Touch
adjustment
(1~3)
Writing data
for EEPROM
Chroma
adjustment
Chroma
adjustment
(1~13)
Writing data
for EEPROM
Writing NG
Writing NG
Writing NG Writing OK
Writing OK
Writing OK
Graphic
position
adjustment
Graphic 1
position
adjustment
Graphic 2
position
adjustment
DVD
position
adjustment
TV
position
adjustment
VIDEO
position
adjustment
NAVI
position
adjustment
Service
information
Writing for
Serial
number
Operate
similarly to
normal mode
Operate
similarly to
normal mode
Operate
similarly to
normal mode
Source Set up Audio
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7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

18
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
●Test mode Main
• Key specification
Init : Select for initialization item
START : Initialization data when while pressing and holding
about 2 second any more.
SERIAL : Change to Serial number input screen
CLEAR : EEPROM data cleared.
RTN : Change to Test Mode Main screen
• Adjustments procedure
1)Select for Init key when you wont initialized data.
2)While pressing and holding START key about 1 second any
more.
3)DC offset information
DC offset detect information for the display
None : Not detected (normal), Detect : Detected
4)Initialized DC offset information
While pressing and holding the Eject key andVolume down
key, reset the unit.
Information Hposi
Service Source
Chroma Set Up
Touch Audio
• Key specification
Information : Change to Information screen
Service :Change to service information screen
Chroma : Change to Chroma adjustment screen
Touch : Change to Panel Touch adjustment screen
Hposi : Change to horizontal position adjustment screen
Source : Change to source screen
Setup : Change to setup screen
Audio :Change to audio screen
●Information screen
Display for microprocessor, serial number and DVD region code
information.
Return
Serial : x x x x x x x x
System u-com
Ver : 4.XXX ROM : R – – – Type :
*
OSD ROM Ver : 1. 03
Region :
*
B/E Ver : 2. 09 F/E Ver : 4. 02
Box u-com
Ver : 4.XXX ROM : R – – – Type :
*
Span : –
• Key specification
Return :Change to Test Mode Main screen
Return
Serial
Clear
Start
Init
Init
Init
Init
Init
Power On
***
hour
DVD Play
***
hour
DVD Eject
***
time
Mon. Open
***
time
Mon. Close
***
time
Chroma
DCOffset
Ready
None
TEST MODE
●Service information screen
Display of service information data and initialization for the
unit.
Initialized Chroma adjustment data.
Display of DC offset voltage detect information.(for audio power
amp)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

19
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
●Chroma adjustment screen
Chroma IC adjustment uses an accessory remote controller.
(The selector of the remote controller is set the Audio mode)
Initialized Chroma adjustment data. (for service information
screen)
Cancel EnterClear
* * * * * * * *
CH :
** * * * * *
VAL
**
TEST MODE
CancelClear
1 2 3
4 5 6
7 8
0
9
– – – – – – – –
●Writing Serial number data screen
Serial data writing for each unit.
1) Serial number input screen
• Key specification
0~9 : 10key use for serial number
Clear : Clear for on entry serial number data.
Cancel : Change to Service information screen
2) Serial number writing screen
• Key specification
Enter :Writing for serial number data for the unit (Complete :
Writing OK, NG : Miss writing)
Press to cancel key when exit this function.
You can try again adjustment when if appears on serial num-
ber write NG.
Clear : Clear for on entry serial number data
Cancel : Change to Service information screen
• Key specification (for remote controller)
DIRECT : Chroma adjustment mode on/off (EEPROM Writ-
ing)
PLAY/PAUSE : Chroma adjustment value fixed/cancel
7 (10 key) : Chroma adjustment (previous)
8 (10 key) :Chroma adjustment value change (up)
9 (10 key) :Chroma adjustment (reverse)
0 (10 key) : Chroma adjustment value change (down)
• Adjustment item
1. CH16 :VCO freerun value 00h~FFh
2. CH6 : Bright value 00h~FFh
3. CH13 : Contrast value 00h~FFh
4. CH5 : Black limiter value 00h~7Fh
5. CH10 :White limiter value 00h~7Fh
6. CH2 :Y gain value 00h~FFh
7. CH11 : Gamma1 value 00h~FFh
8. CH12 : Gamma2 value 00h~FFh
9. CH8 : R sub bright value 00h~FFh
10. CH9 :B sub bright value 00h~FFh
11. CH14 :R sub contrast value 00h~FFh
12. CH15 :B sub contrast value 00h~FFh
13. CH1 :VCOM value 00h~FFh
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

20
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
Write NG
Cancel
Next
<< >>
Adjustment to item
adjustment value
Return
Hposi OK
Hposi NG
TEST MODE
●Touch adjustment screen
Key touch position correction adjustment for the Touch panel.
Adjust to 3-point position on the touch panel. The unit come
to adjustment is complete when you can get EEPROM OK
appear on the screen.
1) Input touch position data
Cancel
Point Two-point
Three-point
Return
Write OK
• Key specification
Cancel :
Input touch position data (point) :Change toTest Mode Main
screen
Other : Change to Input touch position function (for point)
2) Writing OK screen
• Key specification
Return :Change to Test Mode Main screen
3) Writing NG screen
You can try again adjustment when if appears on EEPROM
write NG.
●H position adjustment
Adjusting Horizontal position for each video input source.
1) Graphic HPOSI adjustment
• Key specification
CANCEL : Change to Test Mode Main screen
>> : Display position moving to right side
<< : Display position moving to left side
NEXT : Next video source adjustment or writing data for
EEPROM (at the end of NAVI adjustment)
2)Writing OK screen
• Key specification
Return : Change toTest Mode Main screen
3)Writing NG screen
You can try again adjustment when If appear on EEPROM
write NG.
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299