Kenwood KVT-815DVD, KVT-725DVDB, KVT-735DVD, KVT-745DVD, KVT-765DVD Service Manual

...

MONITOR WITH DVD RECEIVER

KVT-7 15DVD,7 25DVD/-B KVT-7 35DVD,7 45DVD KVT-7 65DVD,8 15DVD

SERVICE MANUAL

The DVD mechanism information is not in this service manual. Please refer to service manual for X92-4750-00 (B53-0052-00).

Metallic cabinet (A01-2837-02)

TO 5L-I/FTO NAVIGATION I/FTO TV TUNER I/FPREOUT

MONITOR WITH DVD RECEIVER

Cord with plug (E30-6301-05)

Screw set (N99-1558-05)

Cord with connector (E30-4953-05)

Plastic cabinet assy (A02-2723-03)

*Screw set (N99-1723-05)

*DC cord (E30-6337-05)

KVT-715DVD (K type)

*Escutcheon (B07-3022-02) (B07-3058-02)

*Antena adaptor (T90-0512-05)

*DC cord (E30-6338-05)

*Mounting hardware (J21-9784-04) x2

Lever (D10-4589-04) x2

*Cord with connector (E30-6339-05)

Mounting hardware assy (J21-9934-03)

Remote controller (A70-2064-05 : RC-DV420)

*Cord with connector (E30-6340-05)

*Depends on the model. Refer to the parts list.

KVT-715DVD,725DVD/-B,735DVD

ELECTRIC UNIT (X34-315)

LX I/F

NAVI I/F

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

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 PRE

L R

FRONT

REAR

PRE OUT

AV OUT

MUTE

MUTE SUB OUT

BUFF

DRIVER

u-COM

SYSTEM

BUFF

RDS DECODER

u-COM

(F/R)

POWER IC

SP OUT

(F/E)

SW5V

u-COM

ANT IN

u-COM

4ch OUT

6dB AMP 75

NJM2267Vx2

IC300

(E)TYPE ONLY

BA3121F

ISO AMP

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

8RESET

MUTE

REQC

REQH

DATAC

DATAH

CLK

CHCON

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

DVD R

DVD L

TV L

TV R

TV COMP V

R G B

SC DATA

SC REQ

MC DATA

MC REQ

BP CLK

SC CON

(REMO)

RESET

0 1 2 3

2 3

CTL

CDAUX CD MD MPX/A

MAIN

SELECTO

SUB

ACIN 0

ACIN 1 ACIN 2 ACIN 3

MID

REAR

FRONT

FREE

SMETER

QUAL

DCERR

AFS

SMUTE

SDA

SCL

WIN IN

HP-FL HP-FR HP-RL HP-RR

AUX-L AUX-R

FRONT

REAR

SDA

SCL

IN (FRONT) IN (REAR)

DC OFFSET STBY

SVR PMUTE BEEP

MPX

RDCL

RDDA

QUAL

OUT

SMETER A OUT

IF COUNT SDA SCL

AM IN

FM IN

VDD 5V

ILL

GND

B.U

LINE MUTE EXT AMP CONT P.CON ANT.CON

FL,FR,RL,RR

SUB

KVT-745DVD,765D VD,815DVD

● ELECTRIC UNIT

BLOCK DIAGRAM

POWER SUPPLY

(X14-939)

VIDEO CONTROL UNIT

from X14 MCU

MOTOR DRIVER

from X14 MCU

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

REG

REG SRAM

MPU

to X16 (SUB CIRCUIT UNIT)

to X35 (VIDEO UNIT)

LB1836LB1836

OSD IC LC74735NW9817EMB29LV8T9TN6R

FROM

DC/DC

CHROMA & AN2546FH-AV

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

SRM MO22

SRM MO21

OSD DATA OSD CLK OSD CS OSD RST

OSD RG

HD,VD

HSY,VSY

RGB

VCO

CLAM

POLC

POLS

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

BLOCK DIAGRAM

KVT-715DVD,725DVD/-B,735DVD

KVT-745DVD,765D VD,815DVD

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

● VIDEO UNIT

VIDEO UNIT (X35-4280-01)

CN301

P ON+5.0V

V GND

SW+18.5V

D GND

VOL-

VOL+

LED GND

BRINK

LED+8.5V(B)

P ON+3.3V

V GND

CSYNC

V GND

NTSC/PAL

POLC POLS

VSY HSY

BLK MODE3 MODE2

MODE1

HPOS4

HPOS3

HPOS2

HPOS1

VCOM

P ON+5.0V

AUTO DIM

KEY1 XDATA YDATA

BL DET

PWM

ENABLE

SW-D

BL GND BL GND

BL+8.5V BL+8.5V

D GND

PH DET

SW+5.0V

REF+5.0V

R SENS

RI M-

RI MRI M+ RI M+ EX MEX M-

EX M+ EX M+

SW-A SW-B SW-C

9 10 11 12 13

14 15 16 17

18 19

20 21

24 25 26 27 28 29 30

31 32 33 34 35 36 37 38 39 40 41

42 43

44 45 46 47 48 49

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

OPEN/CLOSE

LED+8.5V(G) LED+8.5V(R)

to X14- VIDEO CONTROL UNIT

TC7W14FU

IC304

POLS/POLC/HSY/VSY/BLK

MODE1/2/3/HPOS1/2/3/4/NTSC PAL

OPEN

V.COM

VGND

PON+3.3V

V.SYNC

VR/VG/VB PON+5.0V

PON+3.3V VGND

IC101

IC302

TC7SET08FU

CN303

SW-D

SW-C

SW-B

SW-A

EX M+

EX M-

RI M+

RI M-

R SENS

REF+5.0V

SW+5.0V

PH DET

18 19

BLOCK DIAGRAM

PON-12.0V

DC-DC IC LT1947

H.SYNC

PON+18.5V PON+12.5V

IC203

IC301

TIMMING CONTROLLER TC200G02AF-0104

7 INCH INDASH MECHA

COM AMP TA75W558FU

PDOS/OSCI

PLL & LPF NJM2107F

IC303

USPD/CPV/HDIR/CX/ STV1/STV2/STH1/STH2/ NGOE1/NGOE2/ NGOE3/CPH1

PON-12.0V

VGND

PON+3.3V PON+5.0V

PON+18.5V

V.COM

TOUCH PANEL S79-0827-05

X0/X1/ Y0/Y1

TOUCH PANEL SWITCH CIRCUIT

PON+5.0V XDATA/YDATA

X0/X1/Y0

AUTO DIM/ KEY1

PWM/ENABLE D.GND LED GND BL+8.5V BL GND

LED+8.5V(B) LED+8.5V(R)/LED+8.5V(G) LED GND D.GND OPEN/CLOSE/VOL+/VOLBRINK

STV1 USPD CPV NGOE3 NGOE2 NGOE1 STV2

CPH1

CX HDIR STH1

VB VG VR

STH2

IC401

AUTO DIMMER

SW PCB (B/3)

CN503

VGL-12.0V

VSS

STV1

U/D(UPSD)

CPV

OE3(NGOE3) OE2(NGOE2)22

OE1(NGOE1) STV2

20 19

VDD1+3.3V

VDD2+5.0V

VGH+18.5V

VCOM

VSS

CPH(CPH1)

VSS

L/R(HDIR)

STH1

VSS

STH2VR2

SW PCB (C/3)

7 INCH LCD

CFL

BACK LIGHT INVERTER

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,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

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

COMPONENTS DESCRIPTION

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 (for V 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

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

COMPONENTS DESCRIPTION

● 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 75Ω video driver & 6dB amp (X34 unit to X14 unit) IC452 Logic IC Reset signal inverter IC500 Amp Isolation amp (for TUNER) 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 IC552 Sync sep. Sync separator (place for NTSC or PAL format signal) IC553 75Ω driver & video sw Select for video signal to X14 unit (TV, AV IN, NAVI) IC555 75Ω driver & 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 ON When P ON line is ON Q9 AVR (SW5V) Q9 is ON When 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

Select for composite video signal (IC553 or AV IN) : Use for NTSC/PAL detector and back camera detect

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

COMPONENTS DESCRIPTION

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 panel Y1 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

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

MICROCOMPUTER’S TERMINAL DESCRIPTION

● System Main Microprocessor : 70F3089YGJ-7R5 (X14 : IC204)

Pin No. Name I/O Description / Processing Operation

1AUTO_DIM I Auto dimmer control 2 KEY4 I Key input terminal 3 KEY3 I Key input terminal 4NC INC 5 PGND0 - GND 6 PM1_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 9 TP_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)

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

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)

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

MICROCOMPUTER’S TERMINAL DESCRIPTION

Pin No. Name I/O Description / Processing Operation

43 MINI_DATA/LEDSW_SUB O Panel LED control for with out mini LCD model (H : Lighting on, L : Light off)

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

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

MINI_DATA/FLASH_SO O Use for flash microprocessor MINI_CLK/MINI_CLK O Clock for mini LCD driver MINI_CLK/FLASH_CLK I Use for flash microprocessor

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

MICROCOMPUTER’S TERMINAL DESCRIPTION

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) SDA TP_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

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

MICROCOMPUTER’S TERMINAL DESCRIPTION

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

125 VD I NAVI detector (Old and new type unit)

126

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

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

PM1_TMOTOR_M O Panel mechanism motor control (Tilt) PM2_TILT_UP O NC

PM1_TMOTOR_P O Panel mechanism motor control (Tilt) PM2_TILT_DOWN O NC

PM_LPS PM1_LPS1 I Panel mechanism tilt voltage detect terminal PM_LPS PM2_TILT_SENCE I NC

Destination setup terminal

Model Type

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

TYPE3 TYPE2 TYPE1 TYPE0

(115pin) (114pin) (113pin) (112pin)

DC/DC converter frequency control

Oscillator

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)

KEFSEL1 FSEL2

(530~1700kHz) (522~1629kHz)

(79pin) (80pin)

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

MICROCOMPUTER’S TERMINAL DESCRIPTION

● System Sub Microprocessor : 70F3089YGJ-7R7 (X34: IC103)

Pin No. Name I/O Description / Processing Operation

1NC INC 2 RDS_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) 5 PORTGND0 - GND 6AUDIO_SW1_B O Audio selector (LX/TV/AVIN) 7 MUTE_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)

TV_SDATA TV_SDATA I Data from TV unit

TV_SDATA FLASH_SI I Use for flash ROM program writing

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

MICROCOMPUTER’S TERMINAL DESCRIPTION

Pin No. Name I/O Description / Processing Operation

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)

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

TV_MDATA TV_MDATA O DATA for TV unit TV_MDATA FLASH_SO O Use for flash ROM program writing TV_CLK TV_CLK O Clock for TV unit TV_CLK FLASH_CLK I Use for flash ROM program writing

SCL COR_SCL I/O Clock for EEPROM (ROM correction) SCL IC5_SCL I/O IIC bus clock (for IC5) SDA COR_SDA I/O Data for EEPROM(ROM correction) SDA IC5_SDA I/O IIC bus data (for IC5)

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

MICROCOMPUTER’S TERMINAL DESCRIPTION

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 for TV 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)

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

MICROCOMPUTER’S TERMINAL 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

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

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)

LLIN3 NC HLIN2 AVIN LHIN1 TV HHIN0 LX

AUDIO_SW2_A (8pin) AUDIO_SW2_B (9pin)

LLIN3 NC HLIN2 AVIN LHIN1 TV HHIN0 NC

TYPE3 TYPE2 TYPE1 TYPE0

(140pin) (139pin) (138pin) (137pin)

OUTPUT

Video selector (BA7652AF)

VISUAL_SW1_1 VISUAL_SW1_2

(18pin) (20pin)

LLIN1 TV HLIN2 AVIN LHIN3 NAVI HH*MUTING -

Video selector (BA7612F)

VISUAL_SW2_1 VISUAL_SW2_2

(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).

OUTPUT

TEST MODE

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

● 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, momentar y 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 below.

• 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 entering 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 display mode that in the test mode.

Information

Service

information

Writing for

Serial

number

Writing NG

Chroma

adjustment

Chroma

adjustment

(1~13)

Writing OK

Writing NG

Test Mode Main screen

Touch

adjustment

Touch

adjustment

(1~3)

Writing data

for EEPROM

Writing OK

Graphic position

adjustment

Graphic 1

position

adjustment

Graphic 2

position

adjustment

DVD

position

adjustment

position

adjustment

VIDEO

position

adjustment

NAVI

position

adjustment

Writing data for EEPROM

Source

Operate similarly to normal mode

Set up

Operate similarly to normal mode

Audio

Operate similarly to normal mode

Writing NG

Writing OK

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

TEST MODE

● Test mode Main

Information

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

Hposi

● Information screen

Display for microprocessor , serial number and D VD region code information.

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

● Service information screen

Display of service information data and initialization for the unit. Initialized Chroma adjustment data. Display of DC offset voltage detect inf ormation. (f or audio power amp)

Init

Power On

DVD Play

DVD Eject

Mon. Open

Mon. Close

Start

• 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 and Volume down key, reset the unit.

*** *** *** *** ***

hour

time

Serial

Chroma

Ready

Clear

DCOffset

None

Return

TEST MODE

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

● Writing Serial number data screen

Serial data writing for each unit.

1) Serial number input screen

– – – – – – – –

1 2 3

4 5 6

7 8

CancelClear

• 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

* * * * * * * *

● 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)

CH :

** * * * * *

VAL

• Key specification (for remote controller) DIRECT : Chroma adjustment mode on/off (EEPROM Writing) 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)

Cancel EnterClear

• 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 number write NG. Clear : Clear for on entry serial number data Cancel : Change to Service information screen

• 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

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

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

Point

Cancel

Three-point

• Key specification Cancel :

Input touch position data (point) : Change to Test Mode Main

screen

Other : Change to Input touch position function (for point)

Two-point

● 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)

Adjustment to item

adjustment value

Cancel

2) Writing OK screen

Write OK

• Key specification Return : Change to Test Mode Main screen

3) Writing NG screen

Write NG

Hposi OK

Return

• Key specification

Return : Change to Test Mode Main screen

3) Writing NG screen

Hposi NG

You can try again adjustment when If appear on EEPROM write NG.

You can try again adjustment when if appears on EEPROM write NG.

TEST MODE

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

● Source screen

Operate similarly to normal mode. But change to Test Mode Main screen when press to setup and audio keys. Chang to Test Mode Main screen.

● Audio screen

Operate similarly to normal mode. But change to Test Mode Main screen when press to SRC and setup keys. Chang to Test Mode Main screen.

● Security code writing (E,M,X,C type only)

Security code writing for the unit that control for pair with serial number.

1) How to enter to writing security code

1. Press to Security key when test mode setup screen.

2. Press to Set key When appear on display that security data memory is blank.

3. Security code input to same as normal mode and press to Enter Key on.

Caution : You must security code writing for the unit when control for pair with serial number. Complete : Writing OK, Writing NG You can try again adjustment when if appears on writing NG.

Setup Menu screen

● Setup screen

Operate similarly to normal mode. But change to Test Mode Main screen when press to SRC and audio keys. Chang to Test Mode Main screen.

Calling security screen

Writing security code screen

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

● Video Adjustment (X14-939, X35-428)

* VIDEO adjustments use an accessory remote controller. (The selector of the remote controller is set the Audio mode).

1. Enter the test mode : While pressing and holding the Eject key and SRC key, reset the unit.

2. The main menu screen of the test mode is operated and changed to the chroma IC adjustment mode. In this time, adjustment value appears on the displayed (lower right position).

3. Adjustment value is changed with 8 and 0 key (10 key) for remote controller.

ADJUSTMENT

4. Pressing PLAY/PAUSE k ey is fix ed adjustment value of each item. If y ou can cancel adjustment value , press again PLAY/ PAUSE key.

5. Different item is chosen for 7 and 9 key (key) for remote controller. All item adjustment for step 3 to 5.

6. If all chroma adjustment is finished, pressing DIRECT key that adjustment value is written in EEPROM memory. Exit for adjustment mode when writing for EEPROM.

Adjustment Measurement Adjustment

No.

item point part instrument

1 VCO TP307A VR301 Adjust VR301 so that HSY (IC301 9pin) frequency is set to Frequency

Free run (X35-4280) 15,734kHz±10Hz (NTSC type), 15,625kHz±10Hz (PAL type). counter

2 Chroma IC303 32PIN TEST mode NTSC : 15.734kHz±50Hz, PAL : 15.625±50Hz Frequency

VCO CH16 Connect the TP-HD (R328 between R383) and TP-VD (R380 counter

between R381) between to GND line.

3 BRIGHT CN850 59pin TEST mode Adjust the amplitude value so that the waveform between the Oscilloscope

(G OUT) CH6 1 step signal to the negative 1 step signal is 3.2V±0.05V.

4 CONTRAST CN850 59pin TEST mode Adjust the amplitude value so that the waveform between the Oscilloscope

(G OUT) CH13 8 step signal to the negative 8 step signal is 3.0V±0.05V.

5 BLACK CN850 59pin TEST mode Fixed in adjustment value is 7F. Oscilloscope

LIMITER (G OUT) CH5

6 WHITE CN850 59pin TEST mode Fixed in adjustment value is 7F. Oscilloscope

LIMITER (G OUT) CH10

7Y GAIN CN850 59pin TEST mode Adjust the amplitude value so that the waveform between the Oscilloscope

(G OUT) CH2 pedestal to the 9 step signal is 2.45V±0.05V.

8 GAMMA1 CN850 59pin TEST mode Adjust the amplitude value so that the waveform between the Oscilloscope

(G OUT) CH11 pedestal to the 2 step signal is 1.1V±0.05V.

9 GAMMA2 CN850 59pin TEST mode Adjust the amplitude value so that the waveform between the Oscilloscope

(G OUT) CH12 pedestal to the 10 step signal is 3.4V±0.05V.

10 R SUB CN850 59pin TEST mode 1. Connect the oscilloscope to 58pin and 59pin between GND Oscilloscope

BRIGHT (G OUT) CH8 line.

CN850 58pin 2. It is adjusted so that red signal level bigger 0.1V±0.05V than (R OUT) green signal (for 1step signal).

11 B SUB CN850 59pin TEST mode 1. Connect the oscilloscope to 60pin and 59pin between GND Oscilloscope

BRIGHT (G OUT) CH9 line.

CN850 60pin 2. It is adjusted so that blue signal level bigger 0.1V±0.05V than (B OUT) green signal (for 1step signal).

Adjustment value

Measuring

ADJUSTMENT

KVT-715DVD,725DVD/-B,735DVD KVT-745DVD,765D VD,815DVD

Adjustment Measurement Adjustment

No.

item point part instrument

12 R SUB CN850 59pin TEST mode 1. Connect the oscilloscope to 58pin and 59pin between GND Oscilloscope

CONTRAST (G OUT) CH14 line.

CN850 58pin 2. It is adjusted so that red signal level bigger 0.1V±0.05V than (R OUT) green signal (for 9step signal).

13 B SUB CN850 59pin TEST mode 1. Connect the oscilloscope to 60pin and 59pin between GND Oscilloscope

CONTRAST (G OUT) CH15 line.

CN850 60pin 2. It is adjusted so that blue signal level bigger 0.1V±0.05V than (B OUT) green signal (for 9step signal).

14 VCOM CN850 39pin TEST mode Adjust the amplitude value so that VCOM square wave is Oscilloscope

CH1 2.25V±0.05V

15 FLICKER DISPLAY VR203 1. Confirm there is no flickering (display mode : zoom). Oscilloscope

(X35-4280) 2. If the flickering is recognized, adjust VR203 so that the flicker Input signal : gray

level will be the minimum. (30~50% white)

Input video signal : 10 step video signal (NTSC 1.0Vp-p) Oscilloscope range : 500mV/DIV AC Note : When the LCD ASSY or the touch panel s witch ASSY is replaced, X14- and X35- Circuit, Touch panel and Start position is adjusted together for test mode.

Adjustment value

Measuring

The definition of video signal and pedestal signal

negative pedestal

negative 1 step

negative white

white

1 step

pedestal

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