AV-20FD22 SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key. Press both the VOL. key and remocon keys simultaneously for more than 1 second.
AV-20FD22 SELF-DIAGNOSIS The Self-Diagnosis function will operate when both STOP button on the set and Channel button (9) on the remote control are pressed simultaneously (for more than 3 seconds) at DVD LOGO screen with No Disc. NOTE: No diagnosis of FL CHECK on the TV/DVD Player.
AV-20FD22 NOTE FOR THE REPLACING OF MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1.
AV-20FD22 SERVICE ADJUSTMENT ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL FUNCTION FUNCTION ADJUSTMENTS R CUT OFF BRI. AV(CENT.) G CUT OFF BRI. AV(MAX) Read and perform these adjustments when repairing the B CUT OFF BRI. AV(MIN) G DRIVE COL. AV(CENT.) circuits or replacing electrical parts or PCB assemblies.
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AV-20FD22 ELECTRICAL ADJUSTMENTS 2-4: WHITE BALANCE 2-9: VERTICAL SHIFT NOTE: Adjust after performing CUT OFF adjustment. NOTE: Adjust after performing adjustments in section 2-8. Place the set with Aging Test for more than 15 minutes. Receive the center cross signal from the Pattern Receive the white 100% signal from the Pattern Generator.
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AV-20FD22 ELECTRICAL ADJUSTMENTS 2-14: CORNER CORR BOTTOM 2-18: SUB BRIGHT CENTER Receive the crosshatch signal from the Pattern Receive the monoscope pattern. (RF Input) Generator. Using the remote control, set the brightness and Using the remote control, set the brightness and contrast to normal position.
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AV-20FD22 ELECTRICAL ADJUSTMENTS 2-20: SUB TINT CENTER 2-21: SUB COLOR CENTER Receive the color bar pattern. (RF Input) Receive the color bar pattern. (RF Input) Using the remote control, set the brightness, contrast, Using the remote control, set the brightness, contrast, color and tint to normal position.
AV-20FD22 TROUBLESHOOTING GUIDE (TV SECTION) NO POWER(1) When it pushed Check of AT +8V line and AT POWER ON SW as for +5V line. LED is it lighted? Is the voltage at Check Q505 and associated pin1 of Q505 circuit.
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AV-20FD22 TROUBLESHOOTING GUIDE NO POWER(2) Change of F501. F501 OK? Is the voltage at Check D501 and associated pin8 of T501 circuit. DC170V? Is the voltage at pin1 of Change of T501. IC501 DC16V? Is the voltage at pin4 Change of IC501.
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AV-20FD22 TROUBLESHOOTING GUIDE NO SOUND INSERT CD301 & CD302. CD301&CD302 INSERT OK? Is the voltage at Check SOUND +B Line. pin1 of IC302 DC6.6V? Is the voltage at Check TV POWER H Line and pin5 of IC302 associated circuit. DC3.9V? Check Q301 and A_MUTE Line.
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AV-20FD22 TROUBLESHOOTING GUIDE NO PICTURE Is the setting of BRIGHT is adjusted to center, the BRIGHT center CONTRAST is adjusted to max. and CONTRAST max? Is the voltage at Check P.CON+9V Line. pin23,36,53 of IC601 DC9V? Is the voltage at Check CHROMA+5V Line.
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AV-20FD22 TROUBLESHOOTING GUIDE NO COLOR Is the setting of the Adjust the COLOR setting. COLOR central? Is the receiving of Receive the color signal. the color signal? Is the waveform at Check X601 associated circuit. pin42 of IC601 normal? Check IC601 and associated...
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AV-20FD22 TROUBLESHOOTING GUIDE NO VERTICAL Is the normal signal Check IC601 associated output to 34PIN of circuit. IC601? Is the normal signal Check R449 and Q401. input in the base of Q405? Is the normal signal Check FB401 and associated output to 9PIN of circuit.
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AV-20FD22 TROUBLESHOOTING GUIDE NO OSD Is there the waveform Check IC601 associated of 22,23 and also circuit. 24PIN of IC101? Is there the waveform Check IC601 associated of 20,21 and also circuit. 22PIN of IC601? Check the pin25 of IC101 and...
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AV-20FD22 TROUBLESHOOTING GUIDE (DVD SECTION) DVD DECK NO OPEN/CLOSE CHECK CHECK DISPLAY DVD CONNECTION CHECK CABLE CD811. OSD. CD811. CHECK MAIN PCB (P.CON 5V,PCON. 9V,P.CON 5V_D). POSSIBLE TO OPEN/CLOSE CHANGE DVD DECK. BY MECHANIC. REFER TO "INSTABILITY DVD DVD MODE STABILITY.
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AV-20FD22 TROUBLESHOOTING GUIDE DVD NO PICTURE CHECK CONNECTION CONNECTION TRY CD4002. AGAIN CD4002. CHECK DVD DECK CONNECTOR CHANGE DVD DECK. BEND OR SHORT? CHECK OSILLATION CHANGE X1001. OF X1001. CHECK OUTPUT SIGNAL CHANGE IC8501. IC8501 49,50PIN? CHANGE IC4001.
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AV-20FD22 TROUBLESHOOTING GUIDE DVD NO PLAY CHECK CHECK DVD DECK AFTER READING,CHECK CONNECTION CONNECTOR BEND OR "INCORRECT DISC"DISPLAY. CD4001. SHORT? CONNECTION TRY AGAIN CD4001. WHEN PLAY,CHECK THE CHANGE DVD DECK. DECK MOTOR TUCH. CHECK OUTPUT SIGNAL CHECK THE CIRCUIT IC8501 8,10,13PIN? AROUND IC701.
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AV-20FD22 TROUBLESHOOTING GUIDE INSTABILITY DVD MODE CHECK CONNECTION CONNECTION TRY AGAIN CD4002. CD4002. CHECK DVD DECK CHANGE DVD DECK. CONNECTOR BAND OR SHORT? CHECK CONNECTION CONNECTION TRY AGAIN CP8002,CP8003. CP8002,CP8003. CHANGE DVD DECK.
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AV-20FD22 TROUBLESHOOTING GUIDE CD NO PLAY WHEN READING, CHECK THE DECK CHANGE DVD DECK. MOTOR TURN. CHECK DVD DECK CHANGE DVD DECK. CONNECTOR BEND OR SHORT? CHECK INPUT SIGNAL CHECK CONNECTION CP4002 IC4001 3,5,6PIN? & AROUND THE CIRCUIT. CHANGE IC4001.
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AV-20FD22 AV-20FD22 AV-20FD22 STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY The Components identified by the symbol are critical for safety. For continued safety, replace safety critical components only with manufacturers recommended parts. 2.INDICATION OF PARTS SYMBOL [EXAMPLE] In the PC board...
AV-20FD22 AV-20FD22 BLOCK DIAGRAM TV BLOCK DIAGRAM FROM OPERATION BLOCK RESET IC102 PST600C AT+5V TU001 VOL UP MAIN IC101 OEC6063A VOL DOWN X101 16MHz Q103 CH UP H.BUFFER Q205 Q105 PRE AMP CH DOWN BUFFER SAW FILTER FROM DVD BLOCK...
AV-20FD22 AV-20FD22 DVD BLOCK DIAGRAM AUDIO SW TO TV BLOCK IC8504 SN74LV4052APW Q7013, Q7005 SPDIF(CD) DVD REQ J7002 LINE DRIVER COAXIAL SPDIF(DVD) DIGITAL OUT DVD ROM DRIVE DVD ERR,DVD SOS,DVD VALID,DVD STB DVD: "L" DVD/CD CD : "H" ZERO DVD DATA (0-7)
AV-20FD22 AV-20FD22 WIRING CONNECTION DIAGRAM INTERCONNECTION DIAGRAM COMMAND TRANSMITTER TM101 OS101 Vout HEADPHONE OPERATION PCB J301 PCB030 CAUTION: SINCE THESE PARTS MARKED BY TEAA65 CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY TO OS751 ATTENTION: LES PIECES REPAREES PAR UN...
AV-20FD22 AV-20FD22 [ AV PWB(POWER) CIRCUIT DIAGRAM ] POWER SCHEMATIC DIAGRAM (AV PCB) DIGITAL AUDIO SIGNAL(PB) PLAYBACK LUMINANCE SIGNAL CAUTION: SINCE THESE PARTS MARKED BY ATTENTION: LES PIECES REPAREES PAR UN ETANT NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME...
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AV-20FD22 AV-20FD22 WAVEFORMS MPEG VIF/SIF/CHROMA SDRAM MICON/TUNER SOUND AMP VIDEO ENCODER IN/OUT NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
Parts and functions Front Disc tray PREVIOUS button NEXT button OPEN/CLOSE button STOP button Power indicator Remote sensor POWER STOP PREVIOUS PLAY NEXT OPEN/CLOSE POWER VIDEO L/MONO AUDIO VOLUME CHANNEL LINE 2 IN POWER button AUDIO (L/R)/VIDEO IN jacks HOW TO OPEN THE FRONT DOOR (LINE 2) Headphone Jack VOLUME +/–...
Remote control Page POWER Power on/off 13,14 RETURN Remove DVD set up menu 35-42 REPEAT A-B Repeat playback between A and B SUBTITLE Set Subtitle TV CATV TITLE Select title POWER SUBTITLE ZOOM Zoom CONTROL AUDIO (for TV) Switch the sound of TV REPEATA-B TITLE ZOOM...
Setting the language You can choose from three different languages (English, French and Spanish) for the on-screen displays. Adjustment menus and messages will appear in the language of your choice. On-screen language selection (step 5) will automatically appear on the screen when you press the MENU button initially.
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TV operation To turn on the TV/DVD, press POWER. Adjust the volume level by pressing VOL + or –. The volume level will be indicated on the screen by green bars. As the volume level increases, so do the number of bars. If the volume TV CATV VOLUME POWER...
CHANNEL UP/DOWN Press and release CH + or –. The channel automatically stops at the next channel set into memory. For proper operation, before select- ing channels, they should be set into the memory. See pages 17 and 18 TV CATV POWER SUBTITLE “To memorize channels”...
Closed caption WHAT IS CLOSED CAPTIONING? This television has the capability to decode and display Closed Captioned television programs. Closed Captioning will display text on the screen for hearing impaired viewers or it will translate and display text in another language. Captions: This Closed Caption Mode will display text on the screen in English or another language (depending on the set- ting of the Closed Captions CH 1/2).
To memorize channels This TV/DVD is equipped with a channel memory feature which allows channels to skip up or down to the next channel set into memory, skipping over unwanted channels. Before selecting channels, they must be pro- grammed into the TV/DVD’s memory. In addition to normal VHF and UHF channels, this TV/DVD can receive up to 113 Cable TV channels.
AUTOMATIC MEMORY TUNING Press TV MENU in the TV mode. The TV menu screen will appear. Press until CHANNEL-SETUP menu appears. TV/CATV CATV ADD/DELETE TV CATV POWER AUTO CH MEMORY SUBTITLE CONTROL < > /MENU TITLE ZOOM REPEATA-B RETURN Press to select the “AUTO AUDIO PLAY MODE...
Setting the V-Chip An age limitation can be set to forbid children to see and hear violent scenes or pictures for adults, etc. The TV/DVD corresponds to "TV RATING" and "MOVIE RATING". To use the V-Chip function, you must register a password. TO REGISTER PASSWORD Press TV MENU in the TV mode.
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Setting the V-Chip (Continued) TO SET THE V-CHIP In the V-CHIP SET menu, press V-CHIP SET to select the “US TV V-CHIP : OFF US TV RATING : TV-Y RATING”. MOVIE RATING : OFF CAN ENG RATING : OFF CAN FRE RATING : OFF Press to display the...
Press to select “V- V-CHIP SET CHIP”. Press to display V-CHIP : ON TV RATING : TV-Y “ON” to activate the V-Chip MOVIE RATING function. CAN ENG RATING : OFF CAN FRE RATING : OFF CHANGE PASSWORD Press TV MENU until the MENU <...
Picture control adjustment Picture controls are factory preset but you can adjust them individually as follows: Press TV MENU in the TV mode. The TV menu screen will appear. Press until PICTURE TV CATV menu appears. POWER SUBTITLE BRIGHTNESS CONTROL CONTRAST COLOR TITLE...
Stereo and separate audio program (SAP) The TV/DVD is equipped with a feature known as Multi-channel TV Sound or MTS. MTS broadcasts greatly enhance TV viewing by bringing you programs with high fidelity stereo sound. MTS also provides an extra channel called the Separate Audio Program or SAP which broadcasters can use to transmit a second language for bilingual transmission or for other purposes.
Sound control adjustment Sound controls are factory preset but you can adjust them individually as follows: Press TV MENU in the TV mode. The TV menu screen will appear. Press until the AUDIO TV CATV POWER SUBTITLE menu appears. CONTROL BASS TITLE ZOOM...
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Disc The unit detects whether the disc loaded is a DVD disc or Audio CD and automatically sets the mode. Disc Notes Do not play DVD-ROM, DVD-Audio, CD-ROM, CD-R, CDV, CD-G, Video CD or Photo CD to prevent accidental erasure of prerecorded material. This unit applies to DVD discs from Region 1 only.
Setting setup language Preparation The setup language can be selected. • Insert the AC cord plug into a standard 120V 60Hz polarized AC outlet. Note: When connecting to other equipment, unplug the unit from the AC outlet. • Press POWER on the unit or on the remote control to turn on the unit.
Playback procedure Press OPEN/CLOSE on the unit. The disc tray will TV CATV POWER open. SUBTITLE CONTROL TITLE ZOOM REPEATA-B RETURN PLAY MODE AUDIO SLOW ANGLE CANCEL DISPLAY Place a disc onto the tray. TV RETURN C.C. SLEEP TIMER Hold the disc, position it with the printed label side INPUT AUDIO...
Special playback Note: there may be a slight delay be- Fast Forward Playback tween you pressing the button and the Press F. SEARCH during normal playback. function activating. Each press of the F. SEARCH button will increase the speed of the search x2, x4, x8, x20.
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Zooming Zooming This unit will allow you to zoom in on the frame image. You can then make selections by switching the position of the frame. Press ZOOM during play- back. TV CATV POWER The centre part of the SUBTITLE image will be zoomed in.
Repeat playback Title, Chapter, Track Playback Press PLAY MODE during playback or stop mode. Press or ENTER once or twice to select Chapter or Title. Repeat Repeat Chapter Repeat Title /Enter/Play Mode /Enter/Play Mode /Enter/Play Mode TV CATV POWER SUBTITLE CONTROL TITLE ZOOM...
Program playback/Random playback (Audio CD) You can arrange the order of tracks on Program playback the disc. Press PLAY MODE in the stop mode. Press to select Play Play Mode : Program Mode, then press Repeat : Off select program. TV CATV POWER SUBTITLE...
Changing soundtrack language You can select the language when you play a multilingual disc. Press AUDIO during play- back. 2/8 Fra DolbyDigital The current soundtrack TV CATV language will appear. POWER SUBTITLE CONTROL TITLE ZOOM REPEATA-B RETURN AUDIO PLAY MODE SLOW Press AUDIO repeatedly ANGLE...
Subtitles Turning the Subtitles On and Off When playing back a disc recorded with subtitles, you can turn the subtitles on or off. TV CATV POWER Press SUBTITLE during play- SUBTITLE CONTROL back until “OFF” appears. TITLE ZOOM REPEATA-B RETURN AUDIO PLAY MODE SLOW...
Changing angles / Title selection / DVD menu Changing Angles When playing back a disc recorded with multi-angle facility, you can change the angle that you are viewing the scene from. Press ANGLE during play- back. TV CATV POWER SUBTITLE The current angle will ap- CONTROL pear.
Parental control setting Some discs are specified not suitable for children. Such discs can be limited Press DVD SETUP in the stop mode. not to play back with the unit. Press to select Language Picture Parental Other Parental. Password Then press or ENTER.
To change the parental level Press DVD SETUP in the stop mode or No Disc. Press to select Language Picture Parental Other Parental. Password Then press or ENTER. Parental TV CATV 0 9/Cancel POWER SUBTITLE /Enter/Setup/Return CONTROL TITLE ZOOM REPEATA-B RETURN AUDIO PLAY MODE...
Temporary disabling of rating level by DVD disc Depending on the DVD disc, the disc may try to temporarily cancel the Load a DVD disc and press rating level that you have set. PLAY or OPEN/CLOSE on It is up to you to decide whether to the unit (see P.27).
Setting the aspect ratio of TV screen You can select the aspect ratio for Press DVD SETUP in the stop mode or No Disc. your TV. Press to select Language Picture Parental Other Picture. TV CATV POWER SUBTITLE /Enter/Setup/Return CONTROL ZOOM REPEATA-B TITLE...
Setting on Screen display/Status display of Disc On screen display can be switched on Press DVD SETUP in the stop mode or No Disc. or off when you press the buttons. Press to select Language Picture Parental Other Picture. TV CATV POWER SUBTITLE /Enter/Setup/Return...
Setting menu language You can select the language of the Press DVD SETUP in the stop mode or No Disc. disc menu messages of DVDs. Press to select Language Picture Parental Other Language. TV CATV POWER SUBTITLE CONTROL /Enter/Setup/Return ZOOM REPEATA-B TITLE RETURN...
Setting subtitle language The same subtitle language can Press DVD SETUP in the stop mode or No Disc. always be selected even if you replace the disc or turn the power off. Press to select Language. Language Picture Parental Other TV CATV POWER SUBTITLE...
Setting audio soundtrack language The same audio soundtrack language Press DVD SETUP in the stop mode or No Disc. can always be selected by your unit even if you replace the disc or turn the Press to select Language Picture Parental Other power off.
Language Code List Enter the appropriate code number for the initial settings "AUDIO", "SUBTITLE" and/or "MENU LANGUAGE" (see pages 40-42). Language Name Code Language Name Code Language Name Code Language Name Code Abkhazian 1112 Fiji 1620 Lingala 2224 Singhalese 2919 Afar 1111 Finnish...
Connections to other equipments The exact arrangement you use to interconnect various video and audio components to the TV/DVD is depend- ent on the model and features of each component. Check the Owner's Manual provided with each component for the location of video and audio inputs and outputs. Using an Audio Amplifier Rear of TV/DVD Amplifier...
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Using the audio/video inputs If you connect the TV/DVD to VCR, camcorder or TV game, you can select by pressing INPUT. NOTE: Press INPUT repeatedly to select the desired mode. In the DVD mode this key will not “LINE1”, “LINE2” or TV channel will display on the screen for 4 seconds. operate.
Problems and troubleshooting Use the following check list for troubleshooting when you have problems with your unit. Consult your local dealer or service outlet if problems persist. Be sure all connections are properly made when using with other units. SYMPTOMS POSSIBLE SOLUTIONS PAGE POWER...
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SYMPTOMS POSSIBLE SOLUTIONS PAGE Playback doesn’t start. • No disc is inserted. • The disc may be dirty. Clean up the disc. • The unit cannot play CD-ROMs, etc. – No picture • TV/AV selector is not set correctly. No sound •...
Reception disturbances Most types of television interference can be remedied by adjusting the height and position of the VHF/UHF antenna. Outdoor antennas are recommended for best results. The most common types of television interference are shown below. If one of these symptoms appear when the TV/DVD is connected to a Cable TV system, the disturbance may be caused by the local Cable TV company broadcast.
Appendix (Remote programming) REMOTE PROGRAMMING Setting the CATV Codes You can program your remote to operate your cable box, satellite receiver by using the instructions and codes listed below. If the equipment does not respond to any of the codes listed below or to the code search function, use the remote control supplied by the manufacturer.
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JVC COMPANY OF AMERICA JVC CANADA, INC. Division of U.S. JVC CORP. 21 Finchdene Square 1700 Valley Road Scarborough, Ontario Wayne, New Jersey 07470 Canada M1X 1A7 5870201A 01/03 Printed in Thailand...