background image

2

(X35- ) (A/2)

(X14- )

TOUCH PANEL SWITCH ASSY

(X35- ) (B/2)

LCD ASSY

(W02- )

ELECTRIC CIRCUIT MODULE

to STC-700

J2

to W02

MI-COM

RST

to BAT

CHROMA DECODER

IC500

OSD

IC501

BUFF

BUFF

SEPARATION

IC400

+13V/-16V

IC301,Q302,303

VCOM DRIVER

+5.0V

TIMING

IC200

CONTROL IC

MI-COM

+5.0V

IC202

FLIP FLOP

IC201

INVERTER

BL +9.0V

LCD

6.5INCH TFT

CFL

+13.0V
+5.3V
-9.6V

-11.1V

to

C. TRAP

SYNC

from IC400

to IC701

IC701

EEP ROM

IC700

MI-COM

MI-COM

to X35

COMP VIDEO

Y/C

to

MI-COM

MI-COM

V IN

IC202

IC301

J3

J1

IC302

IC402,403

IC401

MI-COM

MI-COM

SOURCE

NAVI

DISP

VOL DOWN

VOL UP

POWER

RESET

to X35

CHROMA
DECODER

J4

Q200,

Q600-604

NG

NR

NAVI SYNC

V GND

NB

20MHz

RST

PARK

ILL-CONT

BU

GND

Y

RGBI

HSY

VSY

RGBI

OSD

RGB

HD

VD

VSY

SYNI

OSCO

CV

OP

VIN

OSCI

CLK

+5.0

PLL

VCOM

RGB

SPOI

MOD1
MOD2

SCLS

VRSP

PIOCT

CLDS

BRT

V COM

C

HD

,V

HD

,V

from X14

NR
NG
NB

D

A

T

A,CLK

OSD RGB

B.U. DET

PARK

REMO

ILL

TX

RST

MUTE

RX

M CLK

M CON

M REQ C
M REQ H

M DATA

VI2

VI1

VI3

I2C B

U

S

Y0

Y-DT

X-DT

Y0

ILL-CONT

LED. GND

COMP VIDEO

BLOCK DIAGRAM

Ref.No. Component Name

Application/Function

Operation/Condition/Compatibility

IC2

FA7611CE

AVR control IC

Voltage control of the flyback circuit and the step down type switching

regulator for LED9V and BL8.5V power lines

IC202 BA7649F

Video SW

Video in for the adjustment and NAVI signal selector

IC301

70F3033AGC1Q6

System MI-COM.

Flash MI-COM.

Mask MI-COM.

IC302

S-80842CNNB

Reset IC

For Flash MI-COM. : When BU5V line voltage is less than 4.2V, IC outputs Lo.

S-80837CNNB

For Mask MI-COM. : When BU5V line voltage is less than 3.7V, IC outputs Lo.

IC304 TA78DL05F

AVR IC (BU5V AVR)

While BACKUP is applied, AVR o5V.

While BACKUP is applied, a base goes Hi, and Q1 is turned on.

Q1

2SC4081

BU detection SW

When momentary power down has detected, a base goes Lo, and Q1 is turned

off.

Q2

DTA124EUA

Parking detection SW

When the PRK line goes Lo, Q2 is turned on.

Q3

DTB123YK

SW5V SW

When a base goes Lo, Q3 is turned on, and BU5V power line is supplied to

the microprocessor peripheral circuits and the internal power supply.

Q4

DTA124EUA

When Q6's base goes Hi, Q4 and Q5 are turned on, and the fly back circuit is

Q5

2SC4081

Flyback SW

working.

Q6

DTC124EUA

Q7

2SC4979

Flyback driver

For the flyback trans driver

Q8

2SA2013

DC/DC chopper

For LED9V power line and BL8.5V power line driver

Q9

2SC4081

DC/DC chopper driver

For Q8 driver

Q10

2SA1576A

VIDEO CONTROL UNIT (X14-9172-70)

COMPONENTS DESCRIPTION

SVT-M700

Summary of Contents for SVT-M700

Page 1: ... 2002 9 PRINTED IN JAPAN B51 7977 00 N 1864 6 5 INCHES TV MONITOR SVT M700 SERVICE MANUAL GENUINE NUMBER Destination Europe SAAB GENUINE 55 21 372 ...

Page 2: ...tage control of the flyback circuit and the step down type switching regulator for LED9V and BL8 5V power lines IC202 BA7649F Video SW Video in for the adjustment and NAVI signal selector IC301 70F3033AGC1Q6 System MI COM Flash MI COM Mask MI COM IC302 S 80842CNNB Reset IC For Flash MI COM When BU5V line voltage is less than 4 2V IC outputs Lo S 80837CNNB For Mask MI COM When BU5V line voltage is ...

Page 3: ...234 OSD control IC On screen display controller IC501 TC74HC07AFE OSD signal buffer Buffer of R signal G signal B signal I signal and the inverted burst gate pulse signal IC700 BR24C01AF W EEPROM The memory of the touch panel adjustment data and the chroma data IC701 AN2546FH A Video signal processor IC The video signal processing of LCD drive the chroma decoder and γ compensator IC703 NJU7200U30 ...

Page 4: ...utput Not used N C 25 PON O PON output Lo Power ON Hi Power OFF 26 MEC PON O Panel mechanism connection detection input Not used N C 27 MOT SW O Motor applied voltage switching terminal Not used N C 28 30 P111 113 O Not used N C 31 RESET I Reset input terminal Lo Reset 32 XT1 I Sub clock resonator connection terminal Not used pull down to GND lines 33 XT2 Sub clock resonator connection terminal No...

Page 5: ...de position detection input Not used connected to GND lines 75 R SENS I Panel mechanism tilt position detection input Not used connected to GND lines 76 TP XDT I Touch panel X axis voltage input 77 TP YDT I Touch panel Y axis voltage input 78 KEY 1 I Key1 voltage input 0 65V 1 4V NAVI key 2 3V 3 0V DISP key 79 KEY 2 I Key2 voltage input 1 5V 2 2V VOL UP key 80 MEC SW I Panel mechanism connection d...

Page 6: ...ows recall of Video level adjustment mode The remote controller BAND DISC and M S keys al low adjustment item CH selecting The remote controller and keys allow adjust ment value up down The remote controller key allows adjustment value fixed blue magenta and adjustment value released magenta blue Exit by pressing the remote controller DIRECT key again so that all items of Video level adjustment to...

Page 7: ...e as a result of having input incorrect values clear the EEPROM data first and then conduct the adjustment 2 Screen display start 1 With the OSD RADIO SETTINGS screen confirm that the 3 Input signal OSD position confirmation vertical lines of A and B part is to be inside the end of the screen RADIO SETTINGS VR200 2 If they are a little off adjust the 3 vertical lines of A and B part to be inside t...

Page 8: ...9 to GND signal CH 16 line 3 Connect a frequency counter to the check land TP20 or TP134 4 Adjust the frequency so that a frequency counter is read 15 734Hz 50Hz by using the remote controller 5 Fix the adjustment value by using the remote controller 6 Release the connection between the check lands and GND line a frequency counter 3 3 Bright adjustment 1 Select CH 6 by using the remote controller ...

Page 9: ... waveform between the 8th step from the pedestal and the reversal one is 3 5V 0 1V by using the remote controller 4 Fix the adjustment value by using the remote controller 3 7 Y GCA adjustment 1 Select CH 2 by using the remote controller CH 2 2 Observe the waveform of TP25 on an oscilloscope 3 Adjust the amplitude value so that the 9th step from the pedestal is 2 5V 0 1V by using the remote contro...

Page 10: ...l one is 2 7V 0 1V by using the remote controller 4 Fix the adjustment value by using the remote controller 3 11 B Sub bright 1 Select CH 9 by using the remote controller adjustment 2 Observe the waveform of TP26 on an oscilloscope CH 9 3 Adjust the amplitude value so that the waveform between the 2nd step from the pedestal and the reversal one is 2 7V 0 1V by using the remote controller 4 Fix the...

Page 11: ... the remote controller NTSC 4 Fix the adjustment value by using the remote controller AC range Oscilloscope 1 0V DIV 3 15 Exit from Video level 1 Exit from Video level adjustment mode by pressing DIRECT key of adjustment mode the remote controller At this time all adjustment data by using Video level adjustment mode are written to EEPROM 4 Flicker adjustment 1 Input the Composite Gray RASTA NTSC s...

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