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File name AK30 1455.pdf

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END SHOW FEATURES ·It is a remote controlled colour television ·100 programmes from VHF, UHF bands or cable channels can be preset ·It can be tune cable channels ·Controlling the TV is very easy by its menu driven system ·It has Euroconnector socket for external devices (such as computer, video, video games, audio set, etc.) ·A second Euroconnector* socket is available ·Stereo sound systems* (German, Nicam or German+Nicam) are available ·Virtual Dolby* ·Full function* Teletext (Fastext, Toptext) ·It is possible to connect headphone* ·Direct channel access* ·A.P.S.* (Automatic Programming System) ·All programmes can be named. ·Programme swapping between last watched two programmes. ·Forward or backward automatic tuning. ·Sleep timer. ·Automatic sound mute when no transmission. ·When no valid signal is detected, after 5 minutes the TV switches itself automaticall to stand-by mode. ·WSS* (Wide Screen Signalling) ·NTSC Playback* * optional L PLL/VST TUNER UV1315/16 STEREO SOUND MSP 34X0D/G R L AUDIO AMP TDA7266 TDA7266L(MONO) R I2 C QSS SERVICE CONNECTOR EEPROM IF MONO HP AMP TDA1308 CRT µ CONTROLLER ST92195 VIDEO PROCESSOR STV2248C RGB AMP TDA5112A KEYPAD IR SENSOR +115V B+ SMPS MC44608 +12V +8V +5V +5V STBY SCART1 SCART2 SVHS FAV/BAV VIDEO SWITCHING CIRCUITS VER AMP TDA8174AW HOR DRIVE BU808DF VER. DEFL. HOR. DEFL. FBT +22V D 807 PTC DEGAUSS COIL TR 802 D 805 IC 803 +8V +5V_UPA 10 R 828 4 VCC 12 11 13 15 16 18 17 D 810 R824 D 806 D 803 IC806 IC 804 +5V_UPD +5V +12V_A +33V 115V(B+) D811, 813, 837, 838 3 6 VIN R809 D800 D 809 D 890 7 DRAIN D 808 Q803 R 801 START UP D889 MCR22_6 Q802 B+-P MC44608 1 DMAG 2 I_SENSE 3 CONT_IN 4 GND VI 8 7 VCC 6 D804 STANDBY Q801 IC 801 4 1 DRIVER 5 IC 800 SFH617A 3 2 IC118 TL431 R830 Q804 STANDBY-INV 1 MP 2 A1 3 A2 4 VSS IC 501 ST92195 SVBS2 33 CVBS1 34 CVBS_TXT CVBS1 IC 500 VDD 8 ST24C08 PTC SCL SDA TU 201 +5V_UPD 21 VDD 7 6 5 38.9MHZ_TVTUN AGC SCL SDA VST IF 2 10 +5V_UPD D505 19 P5.1_5DI_500 18 FB AGC_OUT 1 2 3 4 5 6 7 8 9 BAND2 HCTR FB_OSD D506 17 R 16 G BAND2 SERVICE CONNECTOR 5 4 3 2 1 PL501 IR_IN SCL SDA SERVICE PIN BAND1 BAND0 +5V +5V +5V 15 B 14 BAND2 13 BAND1 12 BAND0 4 P0.6 8 P0.2 SCL BAND1 SDA BAND0 HSYNC 40 VSYNC 41 P4.4_PWM4 46 H_SYNC V_SYNC MUTE +5V +5V IF_2 IF_1 (R-G-B)_OSD STANDBY S509 P4.5_PWM5 47 Q 503 STANDBY-INV OSCOUT 50 OSCIN 51 X 501 Q 502 +5V_UPD KEYPAD Q504 2 RESET P2.3_INT6_VS01 54 TSOP1736 VD 3 VS 2 GND 1 1 IC 502 +5V P2.2_INTO_AIN2 55 P2.1_INT5_AIN1 56 D106 33V ZENER AV1_S AV2_S +33V IR_IN IF 1 11 20 P0.5_SCK AS VT VS Z401 IF_1 IC 403 SAW 1 SIFIN1 2 SIFIN2 3 4 TV PROCESSOR - STV 223x 56 AUDIOOUT 55 GNDD VCCD 54 53 52 51 50 49 HOUT VOUT BCL_SAF VCC1 48 47 46 45 A_OUT IC 401 OUTOUT+ VCC 10 9 8 7 6 5 IC 301 15 14 +5 V SDA SCL PL302 2 1 Z402 IF_1 IF_2 SAW 5 6 PIFIN1 7 PIFIN2 L VCC2 13 12 11 10 9 8 MOUT- L QSS EXT_AO AGC_OUT 8 TUNER AGC_OUT 9 10 11 AM_FMOUT _SC 12 13 INT CVBSOUT HOUT VOUT B

File name ak30-1_av_Circuit.pdf

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File name change_AK30-90.pdf

ELEKTRONK A.. TECHNICAL CHANGE BULLETIN TEKNK DEKLK BЬLTEN CHANGE NO: 90 REF NO : UMB_873 DATE :15.10.2001 AFFECTED MODELS: CHASSIS 11AK30 MODELS WITH MASK TYPE MICRO CONTROLLER. NOTE : ON OTP IC IS WRITTEN : ST92T195D7B1 ON MASK IC IS WRITTEN SW-VERSION OF IC : A005, B022, D021, E019 etc... START DATE : 15.10.2001 REASONS OF CHANGE: RESET PROBLEM TV SWITCH ON IN 20-30 SECONDS, AFTER PRESSING REMOTE CONTROLLER BUTTONS OR FRONT PANEL BUTONS SUCCESSIVELY. NO 1 2 3 4 5 NO 1 2 3 4 5 PCB CODE 11AK30 11AK30 11AK30 VESTEL CODE 30001369 30012579 30000345 OUT COMPONENT NAME DIODE ZENER 3.6V ZPD CAP SMD 82PF 50V J (0603) CAP EL 10UF 50V M POSITION NUMBER D513 C521,C522 C502 QUANTITY 1 2 1 PCB CODE 11AK30 11AK30 11AK30 VESTEL CODE 30001339 30012562 30000396 IN COMPONENT NAME DIODE ZENER 3.9V CAP SMD 15PF 50V J (0603) CAP EL 47UF 16V M POSITION NUMBER D513 C521,C522 C502 QUANTITY 1 2 1 APPLICATION ENGINEER B.SCAN APPLICATION ENGINEER CHIEF APPLICATION ENGINEER MANAGER BEYHAN DAITAN Form Rev.No:00 Form No: 04.UMB.01

File name change_AK30-91.pdf

ELEKTRONK A.. TECHNICAL CHANGE BULLETIN TEKNK DEKLK BЬLTEN CHANGE NO: 91 REF NO : UMB_821 DATE :15.10.2001 AFFECTED MODELS: CHASSIS 11AK30 ALL STEREO MODELS START DATE : 15.10.2001 REASONS OF CHANGE: AUDIO(SOUND) OUTPUT LEVEL IS TO LOW. (FROM SPEAKERS) NO 1 2 3 4 5 NO 1 2 3 4 5 PCB CODE 11AK30 VESTEL CODE 30012669 OUT COMPONENT NAME RES SMD 1/16W 22K J (0603) POSITION NUMBER R456 QUANTITY 1 PCB CODE VESTEL CODE IN COMPONENT NAME POSITION NUMBER QUANTITY APPLICATION ENGINEER B.ISCAN APPLICATION ENGINEER CHIEF APPLICATION ENGINEER MANAGER BEYHAN DAITAN Form Rev.No:00 Form No: 04.UMB.01

File name change_AK30-92.pdf

ELEKTRONK A.. TECHNICAL CHANGE BULLETIN TEKNK DEKLK BЬLTEN CHANGE NO: 92 REF NO : DATE :15.10.2001 AFFECTED MODELS: CHASSIS 11AK30 ALL MODELS START DATE : 15.10.2001 REASONS OF CHANGE: PROBLEM TO CONTROL TV WITH REMOTE CONTROLLER. REMOTE CONTROLLER DOESN'T OPERATE. IR-SIGNAL IS VISIBLE ON OSSCILOSCOP SCREEN, BUT REMOTE CONTROLLER STILL DOESN'T OPERATE. NO 1 2 3 4 5 NO 1 2 3 4 5 PCB CODE 11AK30 VESTEL CODE 30012581 OUT COMPONENT NAME CAP SMD 1NF 50V K R (0603) POSITION NUMBER C509 QUANTITY 1 PCB CODE VESTEL CODE IN COMPONENT NAME POSITION NUMBER QUANTITY APPLICATION ENGINEER B.ISCAN APPLICATION ENGINEER CHIEF APPLICATION ENGINEER MANAGER BEYHAN DAITAN Form Rev.No:00 Form No: 04.UMB.01

File name change_AK30-93.pdf

ELEKTRONK A.. TECHNICAL CHANGE BULLETIN TEKNK DEKLK BЬLTEN CHANGE NO: 93 REF NO : 580 DATE :15.10.2001 AFFECTED MODELS: CHASSIS 11AK30 170-270 VAC MODELS START DATE : 15.10.2001 REASONS OF CHANGE: THERE IS A TWITCHING NOISE ON STAND-BY MODE. NOTE : 180R RESISTOR WILL BE SOLDERED ON CATHODE OF D801 SERIAL AND INSERTED ON TO THE D801 POSITION. NO 1 2 3 4 5 NO 1 2 3 4 5 PCB CODE VESTEL CODE 30000718 30012567 30001345 COMPONENT NAME RES CF 1/4W 4.7K J CAP SMD 220PF 50V J (0603) DIODE ZENER 6.8V POSITION NUMBER R806 C857 D801 QUANTITY 1 1 1 PCB CODE VESTEL CODE 30007199 30001345 30000554 IN COMPONENT NAME RES MF 1/4W 4.3K F DIODE ZENER 6.8V RES CF 1/4W 180R J POSITION NUMBER R806 D801 NOTE QUANTITY 1 1 1 APPLICATION ENGINEER B.ISCAN APPLICATION ENGINEER CHIEF APPLICATION ENGINEER MANAGER BEYHAN DAITAN Form Rev.No:00 Form No: 04.UMB.01

File name Service Manual_AK30-J.pdf

JVC AK30 / MONO - SERVICE MENU RELEASE DATE: PREPARED BY: 08.04.2002 BAHADIR ISCAN APPL.ENG.DEP. ENTERING TO SERVICE MENU: In order to enter service menu, first enter the main menu and then press the digits 4, 7, 2 and 5 respectively. To select adjust parameters, use or buttons. To change the selected parameter, use or buttons. Selected parameter will be highlighted. Entire service menu parameters of AK30 CHASSIS are listed below. For some of parameters the default values are given on the same table. USING COLOUR BUTTONS ON SERVICE MENU: OSD: Select OSD parameter on service menu. Adjust the horizontal position of OSD to the middle of screen, by using the reference bar on bottom of service menu. Min. Value: 000 Max. Value: 127 Recommended Value:082 IF Adjustments: IF1: IF2: IF3: IF4: IF Coarse Adjustment IF Fine Adjustment IF Coarse Adjustment for L-prime IF Fine Adjustment for L-prime 004 065 004 065 RED BUTTON (For Stereo models only): It switches the AVL to ON or OFF mode on service menu. AVL word is visible on service menu when AVL is on. GREEN BUTTON : It switched the PICTURE MODE to 4:3 or 16:9 on service menu. It is useful when it is necessary to adjust 16:9 picture mode vertical size. YELLOW BUTTON : It switches to VERTICAL SCAN DISABLE mode. It is useful to adjust screen voltage. BLUE BUTTON : It is used to adjust AGC and IF automatically on service menu. IF NEGATIVE ADJUSTMENT (WITHOUT L' SYSTEMS) Set the video pattern to a PAL colour bar pattern with frequency 38.9 MHz. Apply this IF signal to PIN-10 and PIN-11 of tuner. Press PROG-1 and after that BLUE (INSTALL)button from remote controller. Select the standard as BG or I. (if BG is not available) Enter service menu. Select IF1 parameter from service menu and press BLUE (INSTALL) button from remote controller. IF adjustment will be done automatically by --------------------------------------------------------------------------------------------------------------------------------VESTEL CONFIDENTIAL -2VESTEL APPL.ENG.DEP. software. See the IF indicator on service menu, it must be like on FIGURE-1 shown belove. IF POSITIVE ADJUSTMENT (WITH L' SYSTEMS) Set the video pattern to a SECAM-L colour bar pattern with frequency 33.9 MHz. Apply this IF signal to PIN-10 and PIN-11 of tuner. Press PROG-1 and after that BLUE (INSTALL)button from remote controller. Select the BAND VHF-1 (S1 ­ S4 for PLL tuners) and standard as L'. Enter service menu. Select IF1 parameter from service menu and press BLUE (INSTALL) button from remote controller. IF adjustment will be done automatically by software. See the IF indicator on service menu, it must be like on FIGURE-1 shown below. AGC: Automatic Gain Control In order to do AGC adjustment, enter a 60µdBV RF signal level from channel C-12 (224.25 MHz) Select AGC parameter from service menu. Press BLUE (INSTALL) button from remote controller. The adjustment will be done automatically by software. See the AGC indicator on service menu, it must be 1. Chec

File name Service Manual_AK30_.pdf

CONTENTS SAFETY PRECAUTIONS: ... 2 TV set switched off ... 2 Measurements ... 2 PERI-TV SOCKET ... 2 SCART 1 ... 2 SCART 2 ... 2 1. INTRODUCTION ... 2 2. SMALL SIGNAL PART WITH STV2248 ... 3 2.1 Vision IF amplifier ... 3 2.2 QSS Sound circuit (QSS versions) ... 3 2.3 FM demodulator and audio amplifier (mono versions) ... 3 2.4 Video switch ... 3 2.5 Synchronisation circuit ... 3 2.6 Chroma and luminance processing ... 4 2.7 RGB output circuit ... 4 2.8 µ-Controller ... 5 3. TUNER ... 5 4- DIGITAL TV SOUND PROCESSOR MSP34X0 ...