Kenwood SVT-M700 Service Manual

6.5 INCHES TV MONITOR

SVT-M700

SERVICE MANUAL

SAAB GENUINE

Destination Europe

GENUINE NUMBER

55 21 372

SVT-M700

V IN

(X14- )

to STC-700

NAVI SYNC

NR NG NB

V GND

M REQ C M REQ H

M DATA

M CLK

M CON

RST

MUTE

to W02

REMO

ILL

to BAT

ILL-CONT

GND

PARK

(W02- )

ELECTRIC CIRCUIT MODULE

to MI-COM

IC302

RST

to MI-COM

LED. GND

ILL-CONT

IC202

to X35

RST

PARK B.U. DET

COMP VIDEO

CHROMA DECODER

IC301

MI-COM

VI1 VI2 VI3

to X35

20MHz

Y/C

BLOCK DIAGRAM

TOUCH PANEL SWITCH ASSY

(X35- ) (A/2)

COMP VIDEO

MI-COM

I2C BUS

OSD RGB

DATA,CLK

EEP ROM

X-DT

Y-DT

C. TRAP

IC700

IC400

SYNC SEPARATION

Y C

IC500

HD VD

IC701

OSD

HSY

BUFF

HD,V

to IC701

from X14

CHROMA DECODER

RGBI

VSY

IC402,403

IC401

HD,V

from IC400

RGBI

MI-COM

IC501

NR NG NB

OSD

BUFF

V COM

IC202

FLIP FLOP

CLK

BRT

RGB

IC301,Q302,303

VCOM DRIVER

+13V/-16V

IC200

TIMING CONTROL IC

VSY

SYNI

CVOP

VIN

+5.0V

Q600-604

+5.0V

OSCO

OSCI

PLL

+5.0

INVERTER

BL +9.0V

Q200, IC201

RGB

LCD ASSY

VCOM

6.5INCH TFT LCD

SPOI

MOD1 MOD2 VRSP SCLS CLDS PIOCT

+13.0V +5.3V

-9.6V

-11.1V

CFL

SOURCE NAVI DISP

(X35- ) (B/2)

VOL DOWN

VOL UP

POWER

RESET

COMPONENTS DESCRIPTION

●VIDEO CONTROL UNIT (X14-9172-70)

Ref.No.

Component Name Application/Function Operation/Condition/Compatibility

IC2 FA7611CE AVR control IC

IC202 BA7649F Video SW Video in for the adjustment and NAVI signal selector

70F3033AGC1Q6

IC301

S-80842CNNB

IC302

S-80837CNNB For Mask MI-COM. : When BU5V line voltage is less than 3.7V, IC outputs Lo.

System MI-COM.

Reset IC

IC304 TA78DL05F AVR IC (BU5V AVR) While BACKUP is applied, AVR outputs +5V.

Q1 2SC4081 BU detection SW When momentary power down has detected, a base goes Lo, and Q1 is turned

Q2 DTA124EUA Parking detection SW When the PRK line goes Lo, Q2 is turned on. Q3 DTB123YK SW5V SW

Q4 DTA124EUA Q5 2SC4081 Flyback SW 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

Q10 2SA1576A

DC/DC chopper driver For Q8 driver

Voltage control of the flyback circuit and the step down type switching regulator for LED9V and BL8.5V power lines

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

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

off.

When a base goes Lo, Q3 is turned on, and BU5V power line is supplied to the microprocessor peripheral circuits and the inter nal power supply.

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

SVT-M700

COMPONENTS DESCRIPTION

Ref.No.

Component Name Application/Function Operation/Condition/Compatibility

Q11 2SA1428

Q12 2SC2412K Q201 2SC4081 Q202 2SA1576A Video buffer Video signal amplifier and buffer Q203 2SC4081

Q301 DTC144EUA Reset SW

Q302 DTA124EUA Panel reset SW Q309 2SC4081 VOL DOWN detection SW When VOL DOWN SW is pressed, Q309 is turned off.

Q310 DTC124EUA Buzzer SW Q311 DTC124EUA Dimmer detection SW When Dimmer control signal from the vehcle is applied, Q311 is turned on. Q312 2SA1576A Q313 DTC124EUA and Q313 are turned on.

●VIDEO UNIT(X35-4272-70)

Ref.No.

Component Name Application/Function Operation/Condition/Compatibility

IC200 LZ9GJ24 Timing controller IC LCD module control IC201 NJM2107F Op. amplifier LPF for PLL control (VT voltage control) IC202 TC74AC74FT D flip-flop The delay of the vertical start position of the screen IC301 NJM4580V Op. amplifier COM amplifier and buffer driver IC400 NJW1303V IC401 TC7W00FU NAND NAND of HD signal and VD signal, the burst gate pulse polarity inverted IC402 TC7W34FU Buffer Buffer of HD signal, the burst gate pulse and HD+VD IC403 TC7W34FU Buffer Buffer of HD signal and VD signal IC500 MB90096-234 OSD control IC On screen display controller

IC501 TC74HC07AFE OSD signal buffer IC700 BR24C01AF-W EEPROM The memory of the touch panel adjustment data and the chroma data

IC701 AN2546FH-A Video signal processor IC IC703 NJU7200U30 3.0V AVR For the video signal processor IC

Q10 DTC143ZUA Touch panel Y0 SW

Q11 DTC143ZUA Touch panel X0 SW

Q12 DTC143ZUA

Q13 DTA143ZUA power line is applied to the touch panel assembly.

Q14 DTA143ZUA Touch panel X1 SW Q200 2SC2411K VCO For PLL oscillation

Q300 2SC4081 Ripple filter For the video signal processor IC and V COM amplifier circuit Q301 2SC4081 7.5V AVR +7.5V AVR for the video signal processor IC Q302 2SA1577 Q303 2SC4097 Q401 2SC4081 Q403 2SA1576A Q500 2SC4081 I buffer OSD half brightness control Q600 DTC124EUA Q601 DTA143XUA Inverter SW Q602 2SC2873 Q603 2SD1803 Q604 2SD1803 Q700 2SC4081 Y buffer Brightness signal buffer

Voltage limiter Power supply voltage limiter and Ripple filter

When the panel reset SW is pressed, Q301 is turned on, and the system MICOM. is reset. When the panel reset SW is pressed, Q302 is turned on, and the reset signal is output to STC-700.

LED SW

Synchronising pulse separation IC

Touch panel Y1 SW

COM buffer V COM signal driver

C.SYNC buffer Video signal or the navigation C.SYNC signal buffer

Inverter driver For the back light inverter trans driver

When LED brightness control signal (PWM) from the vehcle is applied, Q312

HD signal and VD signal pulse separation and the burst gate pulse generation

Buffer of R signal, G signal, B signal, I signal and the inverted burst gate pulse signal

The video signal processing of LCD drive, the chroma decoder and γ compensator

When Y axis input mode is selected, Q10 is turned on. When X axis input mode is selected, Q10 is turned off. When X axis input mode is selected, Q11 is turned on. When Y axis input mode is selected, Q11 is turned off. When Y axis input mode is selected, Q12 and Q13 are turned on, and SW5V

When the panel touch is detected or the X axis input mode is selected, Q14 is turned on, and SW5V power line is applied to the touch panel assembly.

When Q600's base goes Hi, Q601 and Q602 are turned on, and the inverter circuit is working.

SVT-M700

MICROCOMPUTER’S TERMINAL DESCRIPTION

●IC301 (VIDEO CONTROL UNIT : X14-9172-70)

Pin No.

44, 45 VO 1, 2 O Video out SW control Not used (N.C.) 46, 47 AO 1, 2 O Audio out SW control Not used (N.C.) 48, 49 AB 1, 2 O Speaker out SW control Not used (N.C.)

Pin Name I/O Description Processing Operation

1 M DATAC O Data output to STC-700 2 M CLK I Data clock input from STC-700 3 OSD CS O OSD chip select output 4 OSD DO O OSD data output 5 OSD CK O OSD clock output 6 EVDD - Positive power supply connection terminal Connected to BU5V lines. 7 EVSS - Ground connection terminal Connected to GND lines. 8 OSD RST O OSD reset output Lo : Reset

9 OSD TRE I Communication permission input from the OSD IC Hi : Busy 10 VSYNC O V SYNC signal input Not used (N.C.) 11 SYNC SW O V SYNC signal input selector output Not used (N.C.) 12 REMO I Remote control signal input 13 SDA I/O I2C BUS data input/output 14 SCL I/O I2C BUS clock output 15 DIMMER O Dimmer output PWM output, Duty variable, Approximately 150Hz 16 HSY I H SYNC signal input for the OSD IC control 17 BEEP O BEEP output 18 IC/VPP - Flash data writing terminal Not used(connected to GND lines) 19 P100 O Not used (N.C.) 20 PARK SW I Parking detection input Hi : Parking ON, Lo : Parking OFF 21 EX MP O Panel mechanism slide motor output + Not used (N.C.) 22 EX MN O Panel mechanism slide motor output - Not used (N.C.) 23 RI MP O Panel mechanism tilt motor output + Not used (N.C.) 24 RI MN O Panel mechanism tilt motor output - 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 Not used (N.C.) 34 REGC 35 X2 - Main clock resonator connection terminal 36 X1 I Main clock resonator connection terminal 37 VSS - Ground connection terminal Connected to GND lines. 38 VDD - Positive power supply connection terminal Connected to BU5V lines. 39 CLKOUT O Internal clock out terminal Not used (N.C.) 40 AB MUTE O Audio muting control output to STC-700 Hi : Muting ON, Lo : Muting OFF 41 VI 1 O Video in SW control 1 NAVI : (VI 1, VI 2, VI 3) = (Lo, Lo, Lo) 42 VI 2 O Video in SW control 2 VIN : (VI 1, VI 2, VI 3) = (Lo, Hi, Lo) 43 VI 3 O Video in SW control 3 MUTE : (VI 1, VI 2, VI 3) = (Lo or Hi, Lo or Hi, Hi)

50 AO MUTE O Audio out muting control Not used (N.C.) 51 LED R O LED R indicator output Not used (N.C.) 52 LED G O LED G indicator output Not used (N.C.) 53 LED B O LED B indicator output Not used (N.C.)

Capacitor connection terminal for regulator inside microprocessor

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