JVC AV 27D202 Скачать руководство пользователя страница 11 | Manualshive

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No.51834

AV-N29302

11

ADJUSTMENT LOCATIONS

MAIN PWB

CRT SOCKET PWB

(Within MAIN PWB ASS'Y)

T

TP-E

POW ER

(SOLDER SIDE)

TOP

FRONT

HV

UPPER : FOCUS
LOW ER : SCREEN

U

T

TUNER

IC101

IC702

IC701

FUSE

IC921

HVT

FUSE

TP-91
(B1)

CRT EARTH

(BRAIDED ASS'Y)

E1

TP-R

S

AV IN / OUT

TP-E
( )

RESISTER

VOL+ VOL-

CH+

CH-

MENU

POW ER

A

A

PW

P

POWER PWB

FRONT

MEMORY

INDICATOR LAMP

(TIMER/POW ER)

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Содержание AV 27D202

Страница 1: ... N29302 R CONTENTS SPECIFICATIONS 2 SAFETY PRECAUTIONS 3 FEATURES 4 MAIN DIFFERENCE LIST 4 HOW TO IDENTIFY MODELS 4 FUNCTIONS 5 SPECIFIC SERVICE INSTRUCTIONS 6 SERVICE ADJUSTMENTS 10 PARTS LIST 29 OPERATING INSTRUCTIONS STANDARD CIRCUIT DIAGRAM 2 1 SERVICE MANUAL COLOR TELEVISION BASIC CHASSIS FD ...

Страница 2: ...Power Consumption 120V AC 60Hz 113W Picture Tube High Voltage 29 68cm Measured Diagonally 29kV 1kV at zero beam current Speaker Audio Power Output 5 9cm Oval type 2 1 2W 1 2W Built in BBE sound function Input terminal Input 1 S Video Video V Audio L R Y 1Vp p Positive negative sync provided when terminated with 75Ω C 0 286Vp p burst signal when terminated with 75Ω 1Vp p 75Ω RCA pin jack 500mVrms 4...

Страница 3: ...dering etc To maintain the proper minimum level of soft X Ray emission components in the high voltage circuitry including the picture tube must be the exact replacements or alternatives approved by the manufacturer 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 con...

Страница 4: ... V CHIP system With 75ΩV U in common F Type ANT Terminal SLEEP TIMER for setting in real time Closed caption broadcasts can be viewed Built in MTS system Built in HYPER SURROUND system S VIDEO input terminal for taking best advantage of Super VHS Variable Audio output terminal 2 LINE Digital Comb filter Improved picture quality MAIN DIFFERENCE LIST Model name Parts Name AV N29302 S AV N29302 R MAI...

Страница 5: ...GHT V CHIP EXIT VCR CONTROL KEYS FRONT PANEL CONTROL VIDEO INPUT TERMINAL AUDIO L INPUT TERMINAL AUDIO R INPUT TERMINAL MENU KEY CHANNEL KEY OPERATE KEY VOLUME KEY INDICATOR lamp TIMER POWER POWER BUTTON AUDIO OUTPUT TERMINAL INPUT1 TERMINAL S V L MONO R INPUT2 TERMINAL V Y PR PB L MONO R ANTENNA TERMINAL REAR TERMINAL REMOTE CONTROL UNIT ...

Страница 6: ... same steps when removing the other hand speaker NOTE When removing the screws marked of the speaker remove the lower side screw first and then remove the upper one CHECKING THE PW BOARD To check the PW Board from back side 1 Pull out the chassis refer to REMOVING THE CHASSIS 2 Erect the chassis vertically so that you can easily check the back side of the PW Board CAUTION When erecting the chassis...

Страница 7: ...No 51834 AV N29302 7 FRONT CABINET CRT CRT SOCKET PWB POWER PWB MAIN PWB HVT POWER CORD REAR COVER SPEAKER Fig 1 SPEAKER ...

Страница 8: ...press the DISPLAY and VIDEO STATUS keys to display the Fig 2 SYSTEM CONSTANT screen 4 Refer to the SYSTEM CONSTANT table and check the setting items Where these differ select the setting item with the UP DOWN key and adjust the setting with the LEFT RIGHT keys 5 After adjusting release the LEFT RIGHT key to store the setting value 6 Press the EXIT key twice to return the normal screen 5 Receive ch...

Страница 9: ...P TIMER VIDEO STATUS HYPER SURROUND OFF OFF STANDARD OFF 2 Setting of MENU TINT COLOR PICTURE BRIGHT DETAIL CENTER CENTER CENTER CENTER CENTER NOISE MUTING SET VIDEO STATUS ON ALL CENTER BASS TREBLE BALANCE MTS TV SPEAKER CENTER CENTER CENTER STEREO ON SET CLOCK ON OFF TIMER LANGUAGE CLOSED CAPTION BACK GROUND V2 COMPONENT IN Unnecessary to set NO SPANISH OFF BLACK NO AUTO TUNER SETUP CHANNEL SUMM...

Страница 10: ...ustment 6 Never touch any adjustment parts which are not specified in the list for this adjustment variable resistors transformers condensers etc 7 Presetting before adjustment Unless otherwise specified in the adjustment instructions preset the following functions with the remote control unit VIDEO STATUS STANDARD BASS TREBLE BALANCE CENTER HYPER SURROUND OFF TINT COLOR PICTURE BRIGHT DETAIL CENT...

Страница 11: ...MAIN PWB ASS Y T TP E POWER SOLDER SIDE TOP FRONT HV UPPER FOCUS LOWER SCREEN U T TUNER IC101 IC702 IC701 FUSE IC921 HVT FUSE TP 91 B1 CRT EARTH BRAIDED ASS Y E1 TP R S AV IN OUT TP E RESISTER VOL VOL CH CH MENU POWER A A PW P POWER PWB FRONT MEMORY INDICATOR LAMP TIMER POWER ...

Страница 12: ...key and while the indication of SLEEP 0 MIN is being displayed press DISPLAY key and VIDEO STATUS key on the remote control unit simultaneously to enter the SERVICE MENU screen shown in the next figure page 2 SERVICE MENU screen selection Press the UP DOWN key to select any of the following items PICTURE SOUND THEATER LOW LIGHT HIGH LIGHT RF AFC CHK 3 Enter the any setting adjustment mode PICTURE ...

Страница 13: ...PERATE BY EXIT BY IT TINT COLOR PICTURE BRIGHT DETAIL EXIT RF AFC CHK MODE DO NOT ADJUST ON LOW LIGHT MODE PICTURE MODE SOUND MODE SELECT BY OPERATE BY EXIT BY IT 1 IN LEVEL EXIT STATUS SERVICE MENU PICTURE SOUND THEATER LOW LIGHT HIGH LIGHT RF AFC CHK SELECT BY EXIT BY OPERATE BY IT EXIT TOO HIGH TOO LOW GOOD R CUT G CUT B CUT R DRIVE B DRIVE DC REST BLK ST GMM PNT 1 2 SELECT BY OPERATE BY EXIT B...

Страница 14: ...y again The settings for LOW LIGHT and HIGH LIGHT are described in the WHITE BALANCE page of ADJUSTMENT SELECT BY OPERATE BY EXIT BY IT 1 IN LEVEL STATUS EXIT SOUND MODE SELECT BY OPERATE BY EXIT BY IT 1 BRIGHT EXIT STATUS PICTURE MODE SETTING VALUE SETTING ITEM SELECT BY OPERATE BY EXIT BY IT CD MAT RY GAIN EXIT GY PHAS CORING CMP CD CMP RY CMP GY 2 2 CMP COR THEATER MODE 2 2 SELECT BY OPERATE BY...

Страница 15: ...enthesis are offset values When the 5 items No 6 7 8 9 and 10 are adjusted in the video mode the setting values in each item are changed independently Initial setting value No Setting Adjustment items Variable range AV N29302 S AV N29302 R 1 BRIGHT 000 127 064 064 2 PICTURE 000 127 100 100 3 COLOR 000 127 055 055 4 TINT 000 127 087 087 5 TV DTL 000 63 050 050 6 EXT BRI 025 000 000 7 EXT PICT 025 0...

Страница 16: ...0 45 ABL GAIN 000 003 000 000 46 ABL ST P 000 003 003 003 47 RGB ABCL 000 001 001 001 48 TV B T 000 001 001 001 49 EXT B T 000 001 000 000 50 GMM PNT 000 003 003 003 51 BUZZ 000 001 000 000 52 RF AGC 000 063 045 045 53 AFT SENS 000 001 001 001 54 R G DRV 000 001 001 001 55 BLK SW 000 001 000 000 56 V S COR 000 015 011 011 57 V LIN 000 015 012 012 58 V SIZE 000 127 037 037 59 V AGC 000 001 000 000 ...

Страница 17: ...0 063 000 000 87 COR LEV 000 003 000 000 88 VNR CHK 000 255 000 000 89 VC SN TM 000 255 000 000 90 VC SN SP 000 255 000 000 91 CH MUTE 000 001 000 000 92 OSD HP 000 031 018 018 93 OSD VP 000 031 008 008 94 FM TRAP 000 001 000 000 95 OSC SEL 000 001 001 001 96 SD SEL 000 001 001 001 97 VF LK EX 000 001 000 000 98 F LOCK 000 002 002 002 99 AFC HIGH 000 064 031 031 SOUND MODE Initial setting value No...

Страница 18: ...0 3 00 00 GMM PNT 0 3 01 01 CD MAT 0 3 01 01 RY GAIN 0 1 01 01 GY PHAS 0 1 00 00 CORING 0 1 01 01 CMP CD 0 3 01 01 CMP RY 0 1 01 01 CMP GY 0 1 00 00 CMP COR 0 1 01 01 LOW LIGHT MODE Setting Adjustment item Variable range Initial setting value R CUTOFF G CUTOFF B CUTOFF 0 255 0 255 0 255 85 85 85 HIGH LIGHT MODE Setting Adjustment item Variable range Initial setting value G DRIVE B DRIVE 0 255 0 25...

Страница 19: ...adcast 2 Select No 52 RF AGC of the PICTURE MODE 3 Press the MUTING key and turn off the color 4 With the MENU LEFT key get noise in the screen picture 0 side of setting value 5 Press the MENU RIGHT key and stop when noise disappears from the screen 6 Change to other channels and make sure that there is no irregularity 7 Press the MUTING key and get color out FOCUS adjustment Signal generator FOCU...

Страница 20: ...t No 58 V SIZE until the vertical screen size becomes the value as shown table below H POSITION Adjustment Signal generator No 63 H POSI 1 Receive a crosshatch signal 2 Select the No 63 H POSI of the PICTURE MODE 3 Set the initial setting value of the No 63 H POSI with the LEFT RIGHT key of the MENU 4 Adjust the No 63 H POSI until the screen will be horizontally centered Screen size Picture size S...

Страница 21: ...line that is displayed becomes white using the to keys of the remote control unit 9 Turn the screen VR to where the single horizontal line glows faintly 10 Press the key to return to the regular screen The EXIT key is the cancel key for the WHITE BALANCE WHITE BALANCE High Light Adjustment Signal generator G DRIVE B DRIVE 1 Receive a monoscope pattern signal 2 Select the HIGH LIGHT MODE in the SER...

Страница 22: ...t of the No 2 PICTURE until you get the optimum contrast Method of adjustment without measuring instrument SUB COLOR adjustment Signal generator Oscilloscope Remote control unit TP R TP E CRT SOCKET PWB No 3 COLOR 1 Receive a broadcast 2 Select No 3 COLOR of the PICTURE MODE 3 Set the initial setting value of the No 3 COLOR with the LEFT RIGHT key of the MENU 4 If the color is not the best with th...

Страница 23: ...T with the LEFT RIGHT key of the MENU 4 If the tint is not the best with the initial setting value make fine adjustment of the No 4 TINT until you get the optimum tint Method of adjustment using measuring instrument 1 Input the full field color bar signal 75 white 2 Select No 4 TINT to the PICTURE MODE 3 Set the initial setting value of the No 4 TINT with the LEFT RIGHT key to the MENU 4 Connect t...

Страница 24: ...6 Adjust the No 3 ST VCO so that the Frequency Counter will display 15 73kHz 0 1kHz 7 Select the No 2 FH MON of the SOUND MODE and reset the setting value from 1 to 0 MTS SAP VCO adjustment Signal generator Frequency counter MPX Connector 4 pin SDA 3 pin GND R OUT AUDIO OUT No 8 5FH MON No 9 SAP VCO 1 Receive a RF signal non modulated sound signal from the antenna terminal 2 Connect between pin 4 ...

Страница 25: ...al generator to the antenna terminal 2 Connect an oscilloscope to L OUT RCA pin of the AUDIO OUT and display one cycle portion of the 300Hz signal 3 Change the connection of the oscilloscope to R OUT RCA pin of the AUDIO OUT and enlarge the voltage axis 4 Select the No 6 LOW SEP of the SOUND MODE 5 Set the initial setting value of the No 6 LOW SEP with the LEFT RIGHT key of the menu 6 Adjust the N...

Страница 26: ...n the power switch to on 2 As shown in Fig 1 set the resistor between X connector 1 and 3 3 Make sure that the screen picture disappears 4 Temporarily unplug the power plug 5 Remove the resistor replaced X connector 1 and 3 6 Again plug the power plug make sure that the normal picture is displayed on the screen Fig 1 4 T522 CONNECTOR RESISTOR 18 84kΩ Ω Ω Ω 1 1 4W HEATER R562 D561 R561 X C561 R563 ...

Страница 27: ...ing of shorting of the power supply output from the HVT to the vertical circuit and the small signal power supply is also detected The microcomputer detects at 1 second intervals If NG is detected for more than 1 ms a malfunction is interpreted When a malfunction has been detected the POWER is turned off While the POWER is being turned off the power key of the remote controller is not operational ...

Страница 28: ...rs and remove the chip part Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part Note After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as indicated i...

Страница 29: ...N29302S MEM 3 N29302R MEM 3 4 Printed in Japan VP 0108 DP3051 VICTOR COMPANY OF JAPAN LIMITED HOME AV NETWORK BUSINESS UNIT 12 3 chome Moriya cho Kanagawa ku Yokohama Kanagawa prefecture 221 8528 Japan ...

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