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AV-N29702

20

No. 51885

Setting (Adjustment) item

Variable range

Initial setting value

R CUTOFF

0 — 255

85

G CUTOFF

0 — 255

85

B CUTOFF

0 — 255

85

•

LOW LIGHT MODE

Setting (Adjustment) item

Variable range

Initial setting value

R DRIVE

0 — 127

60

B DRIVE

0 — 127

60

•

HIGH LIGHT MODE

Setting (Adjustment) item

Variable range

Initial setting value

RF AFC

ON / OFF

ON

FINE

-77 — +77

±

×

×

•

RF AFC MODE

DO NOT
ADJUST

Setting (Adjustment) item

Variable range

Initial setting value

I2C BUS

ON/OFF

[FIXED ON]

•

I2C BUS CTRL MODE

DO NOT
ADJUST

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Содержание AV-N29702/S

Страница 1: ...ASSIS AC No 51885 Dec 2001 COPYRIGHT 2001 VICTOR COMPANY OF JAPAN LTD TV CONTENTS a SPECIFICATIONS 2 a SAFETY PRECAUTIONS 3 a FEATURES 4 a FUNCTIONS 5 a SPECIFIC SERVICE INSTRUCTIONS 6 a SERVICE ADJUSTMENTS 11 STANDARD CIRCUIT DIAGRAM APPENDIX 2 1 a PARTS LIST 29 ...

Страница 2: ...Hz 02 06 A 8 by 02 06 01 07 13 by 07 13 A 1 by 14 22 J W by 23 36 54MHz 804MHz W 1 W 28 by 37 64 W 29 W 84 by 65 125 A8 A4 A1 by 01 96 99 180 Channels 45 75MHz 41 25MHz 4 5MHz 3 58MHz 120V AC 60Hz 140W 2 0A 27 68cm Measured Diagonally 30kV 1 3kV at zero beam current 2 4 3 4 5 12cm Oval type 2 5W 2 Video 1 2 3 1Vp p 75Ø RCA pin jack Audio 1 2 3 500mVrms 4dBs High Impedance RCA pin jack S Video Inpu...

Страница 3: ...facturer of the complete product 8 Do not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kØ 2W resistor to the anode button 9 When service is required observe the original lead dress Extra...

Страница 4: ...d picture quality Component input terminal for taking best advantage of Component Video Signal IC702 E2PROM 4k bit IC701 MAIN MICON SCL 1 SDA 1 SCL 0 SDA 0 AFT1 Remote control unit IC001 MTS TONE SURROUND CONTROL TU001 TUNER IC101 1 CHIP CONTROL IC501 AVSW CONTROL Audio Video input terminal S input 2 V input 3 Variable Fix audio output terminal Closed caption broadcasts can be viewed With AV COMPU...

Страница 5: ...303G 1A a FRONT PANEL DOOR OPENED POWER DISPLAY SLEEP TIMER LIGHT BBE VIDEO STATUS INPUT 1 7 4 100 3 9 6 RETURN MUTING MENU V CHIP PIP OFF EXIT 2 8 0 5 CH VOL VOL CH REC STOP PAUSE PLAY FF REW TV CATV DVD VCR VCR CHANNEL TV VCR VCR DVD POWER PREV NEXT OPEN CLOSE STILL PAUSE RM C301G HYPER SURROUND TV ...

Страница 6: ...re connector s etc REMOVING THE LF PW BOARD After removing the rear cover and chassis 1 Lift the left side of the LF PWB while pressing the 2 PWB stoppers marked G in the arrow direction marked H as shown in Fig 1 2 Then remove the LF PWB If necessary take off the wire connector s etc SPECIFIC SERVICE INSTRUCTIONS REMOVING THE DAF PW BOARD After removing the rear cover and chassis 1 Lift the right...

Страница 7: ...No 51885 7 Fig 1 D F M A DAF PWB PWB STOPPER PWB STOPPER PWB STOPPER CLAW SPEAKER CHASSIS MAIN PWB LF PWB POWER SW PWB REAR COVER FRONT PWB CRT SOCKET PWB FRONT CABINET x12 x4 x4 x4 E L H C K CLAW CLAW B B G G J ...

Страница 8: ... CONSTANT screen 4 Refer to the SYSTEM CONSTANT table and check the setting items Where these differ select the setting item with the MENU UP DOWN key and adjust the setting with the MENU LEFT RIGHT keys The letters of the selected item are displayed in yellow 5 After adjusting release the MENU LEFT RIGHT key to store the setting value 6 Press the EXIT key twice to return the normal screen 5 Recei...

Страница 9: ...AIL CENTER NOISE MUTING ON SET VIDEO STATUS ALL CENTER SOUND ADJUST BASS CENTER TREBLE CENTER BALANCE CENTER MTS STEREO CLOCK TIMERS SET CLOCK Unnecessary to set ON OFF TIMER NO INITIAL SETUP TV SPEAKER ON AUDIO OUT FIX COMPONENT IN NO LANGUAGE ENG CLOSED CAPTION OFF AUTO TUNER SETUP Unnecessary to set CHANNEL SUMMARY Unnecessary to set V CHIP OFF SET LOCK CODE Unnecessary to set AV 27F802 AV 32F8...

Страница 10: ... Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alter nately melt the solder at each lead Shift and remove the chip part Note After removing the part remove remaining solder from the pattern REPLACEMENT OF CHIP COMPONENT 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as indicat...

Страница 11: ...ustment Unless otherwise specified in the adjustment instructions preset the following functions with the remote control unit VIDEO STATUS STANDARD HYPER SURROUND OFF BASS TREBLE BALANCE CENTER TINT COLOR PICTURE CENTER BRIGHT DETAIL MEASURING INSTRUMENT 1 DC voltmeter or digital voltmeter 2 Oscilloscope 3 Signal generator Pattern generator NTSC 4 Remote control unit 5 TV audio multiplex signal ge...

Страница 12: ...T SOCKET PWB SOLDER SIDE AV SELECTOR PWB MAIN PWB POWER SW PWB FRONT PWB CN006 B P B CN007 DAF CP TP E1 TP G S702 S704 S705 S703 S706 IC101 D101 S701 E3 F901 125V 5A CN005 CN002 CN001 PW CN005 CN004 CN004 S1 DAF UPPER H MIDDLE FOCUS LOWER SCREEN MPX C Q E1 HV CP E2 E1 K P CN002 CN001 J501 SS CN006 CN007 IC702 IC701 CPU DEG J601 K Q R507 Q511 Heatsink J502 J503 TU001 ...

Страница 13: ...indication of SLEEP TIMER 0 MIN is being displayed press DISPLAY key and VIDEO STATUS key on the remote control unit simultaneously to enter the SERVICE MENU screen 1 shown in the next figure page 2 SERVICE MENU screen selection Press the UP DOWN key of the MENU to select any of the following items The letters of the selected items are displayed in yellow PICTURE SOUND THEATER OTHERS LOW LIGHT HIG...

Страница 14: ... MODE DO NOT ADJUST I2C BUS CTRL MODE FIXED ON EXIT BY HIGH LEVEL REFERENCE LEVEL LOW LEVEL SYNC YES I2C BUS ON SELECT BY OPERATE BY EX IT EXIT BY THEATER MODE 1 2 THEATER MODE 2 2 TINT 999 B CUT 999 COLOR 999 R DRIVE 999 PICTURE 999 B DRIVE 999 BRIGHT 999 DC REST 999 DETAIL 999 BLK ST 999 R CUT 999 GMM PNT 999 G CUT 999 PAGE 1 2 EX IT EXIT BY SELECT BY OPERATE BY CD MAT 99 CMP CD M 99 RY GAIN 99 ...

Страница 15: ...NG VALUE will be stored memorized 3 EXIT key Returns to the previous screen 5 Releasing SERVICE MENU 1 After returning to the SERVICE MENU upon completion of the setting ad justment work press the EXIT key again The settings for LOW LIGHT and HIGH LIGHT are described in the WHITE BAL ANCE page of ADJUSTMENT 1 BRIGHT STATUS 999 99999999 SETTING ITEM INITIAL SETTING VALUE Adjust SETTING VALUE PICTUR...

Страница 16: ...alues When the four items No 6 7 8 and 9 are adjusted in the video mode the setting values in each item are revised independently No Setting Adjustment item Variable range Initial setting value 1 BRIGHT 000 127 063 2 PICTURE 000 127 070 3 COLOR 000 127 072 4 TINT 000 127 056 5 TV DETAIL 000 063 050 6 EXT BRIGHT 025 000 7 EXT PICT 025 002 8 EXT COLOR 025 000 9 EXT TINT 025 016 10 EXT DETAIL 000 063...

Страница 17: ...03 003 53 SVM GAIN 000 003 002 54 CMP SVM GA 000 003 002 55 SVM PHASE 000 001 000 56 AUDIO SW 000 001 000 57 BUZZ 000 001 000 58 IF FREQ 000 001 000 59 RF AGC 000 063 045 60 AFT MUTE 000 001 000 61 AFT SENS 000 001 001 62 R G DRV SW 000 001 001 63 BLK SW 000 001 000 64 V S COR 000 015 012 65 V LIN 000 015 008 66 V SIZE 000 127 065 67 V AGC 000 001 000 68 V CENTER 000 063 053 69 TV AFC 000 003 000 ...

Страница 18: ... 032 104 EX SN YC H 000 255 025 105 RF SN VC 1 000 063 000 106 RF SN VC 2 000 063 007 107 RF SN VC 3 000 063 014 108 RF SN VC 4 000 063 021 109 EX SN VC 1 000 063 000 110 EX SN VC 2 000 063 007 111 EX SN VC 3 000 063 014 112 EX SN VC 4 000 063 021 113 COR LEVEL 000 003 003 114 VNR CHK 000 255 003 115 YC SN TIME 000 255 005 116 VC SN TIME 000 255 005 117 VM DATA A 127 008 118 VM DATA B 127 004 119 ...

Страница 19: ...MODE Setting Adjustment item Variable range Initial setting value TINT 20 06 COLOR 20 03 PICTURE 50 15 BRIGHT 20 00 DETAIL 20 03 R CUT 20 00 G CUT 20 00 B CUT 20 00 R DRIVE 99 07 B DRIVE 99 25 DC REST 00 03 01 BLK ST 00 03 00 GMM PNT 00 03 01 CD MATRIX 00 03 01 RY GAIN 00 01 01 GY PHASE 00 01 00 CORING 00 01 01 CMP CD M 00 03 01 CMP RY G 00 01 01 CMP GY P 00 01 00 CMP COR 00 01 01 THEATER MODE No ...

Страница 20: ... MODE Setting Adjustment item Variable range Initial setting value R DRIVE 0 127 60 B DRIVE 0 127 60 HIGH LIGHT MODE Setting Adjustment item Variable range Initial setting value RF AFC ON OFF ON FINE 77 77 RF AFC MODE DO NOT ADJUST Setting Adjustment item Variable range Initial setting value I2C BUS ON OFF FIXED ON I2C BUS CTRL MODE DO NOT ADJUST ...

Страница 21: ... Is no irregular ity 7 Press the MUTE key and get color out No 59 RF AGC Item Measuring instrument Test point Adjustment part Description ADJUSTMENT OF RF AGC FOCUS adjustment Signal generator Notes Proceed to the following this adjustment after having completed the adjustments of B1 POWER SUPPLY SUB BRIGHT and PICTURE Set VIDEO STATUS to STANDARD 1 Receive a crosshatch signal 2 While looking at t...

Страница 22: ...he WHITE BALANCE Notes Proceed to the following this adjustment after having completed the adjustment of LOW LIGHT WHITE BALANCE Set VIDEO STATUS to STANDARD 1 Receive a black and white signal Color off 2 Select the HIGH LIGHT MODE from the SERVICE MENU 3 Set the initial setting value of R DRIVE and B DRIVE is 060 with the 4 6 7 and 9 keys of the remote control unit 4 Adjust the screen until it be...

Страница 23: ...the remote control unit 4 If the contrast is not best with the initial setting value make fine adjustment of the No 2 PICTURE until you get the optimum con trast No 2 PICTURE Item Measuring instrument Test point Adjustment part Description ADJUSTMENT OF CONTRAST Item Measuring instrument Test point Adjustment part Description ADJUSTMENT OF BRIGHT Item Measuring instrument Test point Adjustment par...

Страница 24: ...AST V CENTER TRAPEZIUM V SIZE and V LINEARITY 1 Receive a crosshatch signal 2 Select the No 73 H SIZE of the PICTURE MODE 3 Set the initial setting value of the No 73 H SIZE with the LEFT RIGHT key of the remote control unit 4 Adjust the No 73 H SIZE until the horizontal screen size is 90 5 Adjust the No 72 H POSI until the screen will be horizontally centered No 73 H SIZE No 72 H POSI V SIZE and ...

Страница 25: ...unit 4 Connect the oscilloscope between TP B and TP E1 5 Adjust COLOR and bring the value of A in the illustration to the voltage 6V VW B SUB TINT adjustment Notes Proceed to the following this adjustment after having completed the adjustment of CONTRAST Set VIDEO STATUS to STANDARD Method of adjustment without measuring instrument 1 Receive a broadcast 2 Select the No 4 TINT of the PICTURE MODE 3...

Страница 26: ...e the voltage axis 4 Select the No 7 LOW SEP of the SOUND MODE 5 Set the initial setting value of the No 7 LOW SEP with the LEFT RIGHT key of the remote control unit 6 Adjust the No 7 LOW SEP so that the 300Hz signal level will be come minimum 7 Change the signal to 3kHz and connect an oscilloscope to pin 1 of MPX connector 8 Adjust the No 8 HI SEP so that the 3kHz signal level will become minimum...

Страница 27: ...he POWER SW ON 2 As shown in Fig 1 set the resistor between S1 connector 2 3 3 Make sure that the screen picture disappears 4 Temporarily unplug the power cord 5 Remove the resistor between S1 connector 2 3 6 Again plug the power cord make sure that the normal picture is displayed on the screen Fig 1 2 3 S1 CONNECTOR HEATER RESISTOR 20 3 kΩ 101 Ω 1 4 W POWER ON OFF RY951 R952 D535 R532 R951 Q951 Q...

Страница 28: ...plied In the event a malfunction is detected the power is cut off immedi ately At this time the ON TIMER LED flashes to inform of the malfunc tion ON TIMER LED indication The ON TIMER LED flashes at 0 5 seconds intervals POWER Supplied After about 5 seconds Start of detection Malfunction is detected POWER OFF Flashing ON TIMER LED Over current protector Operation of B1 protector circuit The microc...

Страница 29: ...04 630 851 7855 West Coast 5665 Corporate Avenue Cypress California 90630 714 229 8011 Southwest 10700 Hammerly Suite 105 Houston Texas 77043 713 935 9331 Hawaii 2969 Mapunapuna Place Honolulu Hawaii 96819 808 833 5828 Southeast 1500 Lakes Parkway Lawrenceville Georgia 30243 770 339 2582 JVC CANADA INC Head office 21 Finchdene Square Scarborough Ontario M1X 1A7 416 293 1311 Vancouver 13040 Worster...

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