JVC InteriArt LT-23D50BK Service Manual Download

Page: 88 / 97

(No.YA221)2-21

2-22(No.YA221)

MAIN PWB ASS'Y (9/12)

VE-20184629

MAIN PWB CIRCUIT DIAGRAM (9/12)

Summary of Contents for InteriArt LT-23D50BK

Page 1: ...ny of Japan Limited No YA221 2005 8 WIDE LCD PANEL TELEVISION YA221 2005 8 LT 23D50BK TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 9 4 ADJUSTMENT 1 13 5 TROUBLESHOOTING 1 13 P MENU BACK PC TV VCR DVD TV ...

Page 2: ...GA Audio Power Output 5W 5W 10 THD Speaker 3 4cm 14 5cm oval type 2 Aerial terminal VHF UHF EU type connector 75Ω unbalanced coaxial EXT 1 EXT 2 Input Output 21 pin Euro connector SCART socket 2 EXT 3 Input Component Video 625p 525p 625i 525i Audio RCA pin jack 3 Y 1V p p Positive Negative sync provided 75 Ω Cb Cr 0 7V p p 75 Ω 500mV rms 4dBs high impedance RCA pin jack 2 EXT 4 Input S Video Video...

Page 3: ...afety characteristics are identified in the Parts List of Service Manual Electrical components having such features are identified by shading on the schematics and by on the Parts List in the Service Manual The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement part shown in the Parts List of Service Manual may cause shock fire or oth...

Page 4: ...re safety in an emergency such as an earthquake and to prevent accidents ensure that measures are taken to prevent the TV dropping or falling over Use the supplied screws to firmly attach the supplied hooks OPTION to the back of the TV and use commercially available cord to fix the TV to rigid components such as walls and columns 1 2 4 NOTES ON HANDLING 1 WHEN TAKING UNIT OUT OF A PACKING CASE Whe...

Page 5: ...uring transportation and storage as the LCD panel is very vulnerable to lateral impacts and may break During transportation ensure that the unit is loaded along the traveling direction of the vehicle and avoid stacking them on one another For storage ensure that they are stacked in 2 layers or less even when placed upright 1 3 2 OPTICAL FILTER ON THE FRONT OF THE LCD PANEL 1 Avoid placing the unit...

Page 6: ...1 AUDIO R output 500mV rms Nominal Low impedance Used TV OUT Used LINE OUT 2 AUDIO R input 500mV rms Nominal High impedance Used R1 Used R2 3 AUDIO L output 500mV rms Nominal Low impedance Used TV OUT Used LINE OUT 4 AUDIO GND Used Used 5 GND B Used Used 6 AUDIO L input 500mV rms Nominal High impedance Used L1 Used L2 7 B input 700mV B W 75Ω Used Used 8 FUNCTION SW SLOW SW Low 0V 3V High 8V 12V Hi...

Page 7: ...IGHT FAULT In this pixel fault a cell that should not light originally is lighting on and off For checking this pixel fault input ALL BLACK SCREEN and find out the cell that is lighting on and off DARK FAULT In this pixel fault a cell that should light originally is not lighting or lighting with the brightness twice as brighter as originally lighting For checking this pixel fault input 100 of each...

Page 8: ...e Col Temp Contrast Brightness Colour Sharpness Red Green Blue Aps Volume Option 1 First APS If ON TV starts with APS menu at Start up FM Prs Avl On Adjusts the FM Prescaler value when Automatic Volume Levelling is On Nicam Prs Avl On Adjusts the Nicam Prescal er value when Automatic Volume Levelling is On Scart Prs Avl On Adjusts the Scart Volume value when Automatic Volume Levelling is On Scart ...

Page 9: ... REMOVING THE MAIN PWB Remove the STAND UNIT Remove the HANDLE Remove the BACK COVER Remove the BRACKET SCART 1 Remove the 9 screws J then remove the MAIN PWB 3 1 8 REMOVING THE LCD PANEL UNIT Remove the STAND UNIT HANDLE BACK COVER Remove the BRACKET SCART MAIN PWB 1 Remove the 1 screw K then remove the DISPLAY SUPPORT from the FRONT COVER 2 Follow the same step when removing the other three DISP...

Page 10: ...NE PWB FRONT COVER LED PWB LENS LED LENS IR SIDE CONTROL PWB BUTTON FUNCTION PLATE BUTTON FUNCTION LCD PANEL UNIT DISPLAY SUPPORT MAIN FRAME MAIN PWB BRACKET SCART TUNER FAV PWB BACK COVER TFT DOOR SOCKET FOOT TOP COVER AV DOOR SOCKET HANDLE CI COVER BRACKET FAV BRACKET CI MMC CARD ...

Page 11: ...5 Install EXT MODE Setting item Setting position POWER Off TV AV TV Setting item Setting position ZOOM AUTO Setting item Setting position MODE Bright Contrast 33 Step Bright 1 26 Step Sharpness 11 Step Colour 36 Step Colour Temp Cool Nolse Red Min Setting item Setting position Volume 10 Step Bass 16 Step Treble 15 Step Balance 16 Step Hyper Sound Off Sound Mode Auto Setting item Setting position S...

Page 12: ...he tweezers 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 in...

Page 13: ... No YA221 1 13 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 14: ... No YA221 AV MULTIMEDIA COMPANY DISPLAY CATEGORY 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Page 15: ...pacitor MF R Metal Film Resistor MF CAP Metalized Film Capacitor MG R Metal Glazed Resistor MM CAP Metalized Mylar Capacitor MP R Metal Plate Resistor MP CAP Metalized Polystyrol Capacitor OM R Metal Oxide Film Resistor PP CAP Polypropylene Capacitor CMF R Coating Metal Film Resistor PS CAP Polystyrol Capacitor UNF R Non Flammable Resistor TF CAP Thin Film Capacitor CH V R Chip Variable Resistor M...

Page 16: ...tion Local 1 VE 20189697 FRONT COVER 2 VE 30026613 SPEAKER x2 3 VE 20181315 JVC MARK JVC 47 0 X 375 0 TFT 2324W 4 VE 30031695 LCD PANEL 5 VE 20184594 REAR COVER 6 VE 20182428 DOOR SOCKET 7 VE 20182430 HANDLE 8 VE 20182443 BACK COVER 9 VE 20182429 AV JACK FRAME 10 VE 20173333 MAIN FRAME 11 VE 35012930 HANG METAL 12 VE 20174579 FOOT ASSY 13 VE 20183744 LABEL 14 VE 3500818 SCREW M3 x 9 5 x2 15 VE 201...

Page 17: ... No YA221 3 3 EXPLODED VIEW 100 4 20 LCD HOLDER 10 103 101 102 104 9 2 1 3 5 13 6 7 8 14 15 11 12 x2 16 17 18 19 ...

Page 18: ...0001458 TRANSISTOR SMD Q701 VE 30001457 TRANSISTOR SMD Q702 VE 30001457 TRANSISTOR SMD Q703 VE 30001457 TRANSISTOR SMD Q704 VE 30001457 TRANSISTOR SMD Q708 VE 30001458 TRANSISTOR SMD Q709 VE 30001457 TRANSISTOR SMD Q900 VE 30001457 TRANSISTOR SMD Q901 VE 30001457 TRANSISTOR SMD Q902 VE 30001454 TRANSISTOR Q903 VE 30001457 TRANSISTOR SMD Q904 VE 30007798 TRANSISTOR SMD Q905 VE 30007798 TRANSISTOR S...

Page 19: ...E 30012581 CAPACITOR SMD 1nF 50V K R C427 VE 30012572 CAPACITOR SMD 390pF 50V J Ref No Part No Part Name Description Local C429 VE 30012581 CAPACITOR SMD 1nF 50V K R C431 VE 30000315 CAPACITOR SMD 220nF 25V Z C432 VE 30000315 CAPACITOR SMD 220nF 25V Z C433 VE 30000315 CAPACITOR SMD 220nF 25V Z C434 VE 30012567 CAPACITOR SMD 220pF 50V J C435 VE 30012567 CAPACITOR SMD 220pF 50V J C436 VE 30012567 CA...

Page 20: ...0V J C926 VE 30000371 E CAPACITOR 22uF 50V M Ref No Part No Part Name Description Local C927 VE 30000294 CAPACITOR SMD 100nF 50V K C928 VE 30000345 E CAPACITOR 10uF 50V M C929 VE 30000294 CAPACITOR SMD 100nF 50V K C930 VE 30000371 E CAPACITOR 22uF 50V M C932 VE 30000294 CAPACITOR SMD 100nF 50V K C933 VE 30000294 CAPACITOR SMD 100nF 50V K C934 VE 30031594 E CAPACITOR 2200uF 10V M 10X20 LL C937 VE 3...

Page 21: ...A R166 VE 30025836 FERRITE NET 240R 100MHz 150mA Ref No Part No Part Name Description Local R168 VE 30012641 RESISTOR SMD 1 16W 10K J R169 VE 30012641 RESISTOR SMD 1 16W 10K J R170 VE 30012641 RESISTOR SMD 1 16W 10K J R172 VE 30012641 RESISTOR SMD 1 16W 10K J R173 VE 30012641 RESISTOR SMD 1 16W 10K J R174 VE 30012641 RESISTOR SMD 1 16W 10K J R175 VE 30012641 RESISTOR SMD 1 16W 10K J R176 VE 300126...

Page 22: ...OR SMD 1 16W 75R J R615 VE 30012713 RESISTOR SMD 1 16W 75R J Ref No Part No Part Name Description Local R617 VE 30012713 RESISTOR SMD 1 16W 75R J R618 VE 30012982 RESISTOR SMD 1 16W 10R J R619 VE 30012695 RESISTOR SMD 1 16W 470R J R620 VE 30012641 RESISTOR SMD 1 16W 10K J R621 VE 30012692 RESISTOR SMD 1 16W 4 7K J R622 VE 30012713 RESISTOR SMD 1 16W 75R J R623 VE 30012713 RESISTOR SMD 1 16W 75R J ...

Page 23: ...R SMD 1 16W 470R J R1237 VE 30012714 RESISTOR SMD 1 16W 820R J Ref No Part No Part Name Description Local R1238 VE 30012713 RESISTOR SMD 1 16W 75R J R1239 VE 30012684 RESISTOR SMD 1 16W 330R J R1240 VE 30012684 RESISTOR SMD 1 16W 330R J R1300 VE 30014128 RESISTOR SMD 1 16W 33R J R1302 VE 30026054 RESISTOR SARRAY 1 32W 47R J R1305 VE 30012641 RESISTOR SMD 1 16W 10K J R1306 VE 30014128 RESISTOR SMD ...

Page 24: ...A L1210 VE 30001968 FERRITE SMD 200R 100MHz 200mA L1211 VE 30001968 FERRITE SMD 200R 100MHz 200mA L1212 VE 30001968 FERRITE SMD 200R 100MHz 200mA L1213 VE 30001968 FERRITE SMD 200R 100MHz 200mA L1214 VE 30001968 FERRITE SMD 200R 100MHz 200mA Ref No Part No Part Name Description Local L1215 VE 30001968 FERRITE SMD 200R 100MHz 200mA L1216 VE 30013412 FERRITE SMD 1 5K 100MHz 500 mA L1217 VE 30001968 ...

Page 25: ...RTON BOX 2 VE 20176628 SNOW BOX ASSY 2pcs in 1set 3 VE 30030071 AC ADAPTER 24VDC 6A C14 4PO W PFC SAFE PKG 4 VE 30034033 REMOTE CONTROL UNIT RM C1895 5 VE 50060737 INST BOOK English 6 VE 30002375 POWER CORD 7 WARRANTY CARD JVC LT 23D50BK IDTV 8 BATTERY AA R06 9 VE 50018337 POLY BAG 1 2 2 4 5 6 8 3 7 9 ...

Page 26: ...TRUCTIONS ENGLISH LT 17D50BK LT 23D50BK INTEGRATED DIGITAL WIDE LCD PANEL TV Digital ideo roadcasting V B D V B Trade Mark of the DVB Digital Video Broadcasting Project 1991 to 1996 Number 3465 2 Idtv JVC 17 D50BK 23 D50BK COVER 50060737 cdr ...

Page 27: ... Menu 29 Feature Menu 30 Install Menu 30 Program Menu 32 Source Menu 33 Other Features 33 PC Mode 35 Installation 35 Main Menu in PC mode 35 PC Picture Position Menu 35 PC Picture Menu 36 Sound Menu 36 PIP Picture 36 Source Menu 37 Sound in PC mode 37 Analogue Teletext 37 Peripheral Equipment Connections 39 Peripheral Equipment Connections 42 Antenna Connections 43 Peripheral Equipment Connections...

Page 28: ...nnect to a DC supply or any other power source DO ensure that the TV is not standing on the mains lead DO NOT cut off the mains plug from this equipment this incorporates a special Radio Inter ference Filter the removal of which will impair its performance Hot Moderate Climate Conditions This device is suitable for working in hot and moderate climate conditions IF IN DOUBT PLEASE CONSULT A COMPETE...

Page 29: ...bage instead of recycle bin to reduce harmfull effects to the environment ABOVE ALL NEVER let anyone especially children push anything into holes slots or any other openings in the case this could result in a fatal electric shock NEVER guess or take chances with electrical equipment of any kind it is better to be safe than sorry To fully disconnect the TV switch off the mains socket and remove the...

Page 30: ...ollowing code BLUE NEUTRAL BROWN LIVE As the colours of the wires in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured blue must be connected to the terminal which is marked with the letter N or coloured black The wire which is coloured brown must be connected to the terminal which is ...

Page 31: ...sunlight falling on the screen A floor and table top stand are available for this television or and angled bracket which en ables the TV to be wall mounted The LCD display panels are manufactured using an extremely high level of precision tech nology however sometimes some parts of the screen may be missing picture elements or have luminous spots This is not a sign of a malfunction Make sure the T...

Page 32: ...ness the loss of recorded data whether caused during normal operation or mis use of the product WARNING NEVER LEAVE A STATIONARY IMAGE ON THE SCREEN If stationary images generated by TELE TEXT CHANNEL IDENTIFICATION LOGOS COMPUTER DISPLAYS VIDEO GAMES ON SCREEN MENUS etc are left on the TV screen for any length of time they could be come permanently ingrained If you use your television to display ...

Page 33: ... 7 ControlPanelButtons 32 5 03 1 5 5 5 9 5 63 5 63 5 ...

Page 34: ...tached This stand can be used to adjust the direction of the TV screen 10 backward and 5 forward Tilt the TV up and down While holding the bottom of the stand with one hand use your other hand to hold the middle of the top of the TV and slowly tilt the TV up and down ...

Page 35: ...L Colour button MENU Menu button Cursor Up button OK button Cursor Right button BACK Back button Volume buttons GUIDE button SUBTITLE button PC Control buttons Hyper Sound On Off button ZOOM Zoom button buttons IDTV VCR DVD Teletext Control buttons P buttons Cursor Down button Teletext button Cursor Left button TV DTV button Information Button T V Link in Program Menu Mute button ...

Page 36: ...an Nicam are available Multilanguage OSD Teletext Fastext 7 pages It is possible to connect headphone A P S Automatic programming system All programmes can be named Forward or backward automatic tuning Sleep timer Child lock Auto Full Regular Panoramic 14 9 Zoom 16 9 Zoom 16 9 Zoom Subtitle modes Automatic sound mute when no transmission When no valid signal is detected after 5 minutes the TV swit...

Page 37: ...d area If performance of the remote control reduces replace the batteries with the correct type Do not combine a used old battery or a new one or mixed battery types Remove dead batteries immediately to prevent acid from leaking into the battery compartment Step 3 Removing the terminal cover There are connection terminals and a card socket behind the covers of the rear of the TV Remove the cover b...

Page 38: ...lat table and then place the TV on the cloth with the screen facing downwards when you leave the handle and the stand Step 4 Connecting an aerial VCR and mains Please read the user manual of each device before connecting to ensure a correct setup It is necessary to connect aerial to watch TV Please see Peripheral Equipment Connections on page 39 for connections to other de vices WR 1 DGDSWHU 5 RQQ...

Page 39: ... The TV set is designed to operate on 24 V DC For this an adaptor is used which gives 24 V DC voltage Connect this adaptor to a system that supplies 100 240 V AC 50 Hz Step 5 Using the cable holder A cable holder which is used to keep the connection cables tidy is supplied Attach the cable holder to the hole on the back of the stand then gather together the connection cables and put them inside th...

Page 40: ...t IDTV has been used there are no channels stored in the memory and below information will be displayed on the screen 1 Press the OK button to start the auto matic search 35 LVW PSW 6WDUW DXWRPDWLF VHDUFK 2 The IDTV will automatically tune to the UHF transmission channels 21 to 68 looking for digital terrestrial TV broadcasts and display ing the names of channels found This pro cess will take abou...

Page 41: ... you do not have a T V LINK compatible VCR press BLUE button to exit the menu If you have a T V LINK compatible VCR con nected to the Ext 2 terminal press but ton to display T V LINK menu Then follow the operating procedure Downloading data to VCR in the following T V LINK section T V LINK When a T V LINK compatible VCR con nected to the EXT 2 terminal on the TV it is easier to set up the VCR and ...

Page 42: ...ing DVB T TV autopower on VCR image view When the VCR starts playing the TV auto matically turns on and images from Ext 2 appear on the screen This function does not happen if your TV s main power is turned off Set your TV s main power to on StandBy Mode BasicOperations You can operate your TV both using the remote control and TV buttons Operation with the buttons on the TV Volume Setting Press bu...

Page 43: ...watched mode TV or DIGITAL TV from the EXT mode For example if a DVD player is con nected with a SCART cable and powered on then the IDTV will automatically switch to EXT mode The IDTV will switch to the last watched mode TV or DIGITAL TV if DVD player is switched off or TV DTV button is pressed EVERYDAY OPERATION While using the IDTV to the full there are great many buttons to use in different si...

Page 44: ... guide is displayed By using EPG you can select the channel and set the reminder for the programme which you do not want to miss To display the EPG screen press the GUIDE button while watching Digital terres trial broadcasting You can exit the EPG screen by pressing the GUIDE button again or the MENU button M N O P Q MCurrent date and time NChannel listings OSelected date and time PProgramme name ...

Page 45: ...roadcasting DVB T in addition to pictures and sound you can also watch digital teletext Digital teletext is sometimes broadcast at the same time as normal broadcasting 1 Press the button The digital teletext information appears 2 Operate it with the colour buttons buttons and OK button The operation method may differ depending on the contents of the digital teletext Follow the instructions display...

Page 46: ...ended that you allow some lee way when setting the recording times Provided that the days and times are not the same you can set up to ten timer settings When subtitles are ON the subtitles dis played with the broadcast will be recorded When you do not want to record the sub titles you need to turn OFF the subtitles set tings beforehand See Displaying the sub titles on Page19 During DTV timer reco...

Page 47: ... stand by WARNING Do not turn off the main power The timer function will not work with the main power switched off The TV power lamp begins flashing before the timer start time When you are watching TV at that time a message appears on the screen to inform you the timer is about to start When performing timer recording with a T V LINK compatible device test the timer re cording before you record t...

Page 48: ...ching these broadcasts 1 Press the buttons and choose Audio Language 2 Press the buttons and choose the language Language changes every time the button is pressed If the selected language is not broadcast the default language will be played Subtitle Language With Digital terrestrial broadcating DVB T a number of subtitles can be broadcast at the same time Choose the subtitle you want to display wh...

Page 49: ...roadcasting DVB T information is updated In the future there is a possibility that Re ceiver Update function may also be able to be used to update the Digital terrestrial broadcating DVB T software and add new functions Enter PIN code Choose Enter PIN code to change the PIN code for the Edit PR List menu s Lock The PIN code factory setting how it is set when you purchase the television is 0000 1 P...

Page 50: ...om of the screen 2 Press the buttons and choose the channel to be deleted and then press the OK button The channel deletion confirmation win dow appears 3 Choose Yes and press the OK button The chosen channel is deleted If you do not want to delete the chosen channel choose NO and press the OK button Perform Installation see page 25 to re register a channel that you have de leted Editing a channel...

Page 51: ...ough your TV will not lose its settings or stored channels when switched off you may wish to re install the programs because you have moved to a different area with different broadcast frequencies you wish to reinstate a channel previously deleted from the chan nel list or you want to watch new channels which have started broadcasting Display the DTV Menu and using the or buttons highlight the Ins...

Page 52: ...e of acci dental operation UH RX VXUH RX ZDQW WR GHOHWH DOO FKDQQHOV DQG VHWWLQJV IRU ILUVW WLPH LQVWDOODWLRQ HV 1R Highlight the YES button with the or key and press OK to erase all the channels and settings and switch the receiver to standby Common Interface It is required to subscribe to a pay channel company to view the pay channels of the Digital Terrestrial broadcasting Obtain the Conditiona...

Page 53: ... DIGITAL TV mode DIGITAL will appear on the Main menu Install and Program do not appear Menu does not disappear automatically if it is left on the screen Press MENU button again to remove menu Picture Menu Press MENU button now you are in main menu In the Main menu select Picture using or button then enter the Pic ture menu by pressing or OK but ton Setting Mode As you enter the picture menu Mode ...

Page 54: ...l level the changings on the Noise Reduction function are not effective when there is menu on the screen If the menu is removed the effect of this function is seen At normal broadcasting Noise Reduction changings are effective at once Note 2 At moving pictures while Noise Reduction is at maximum level some picture distortions may occur If Noise Reduc tion is set to medium or minimum the picture wi...

Page 55: ...ng or button will turn on or off this feature Pseudo spatial effect can be turned on or off via the Hyper Sound item in the Sound menu or by remote control In Mono trans mission the left and right channels will be added at left channel and dummy stereo ef fect will be introduced to end user In stereo transmission it yields a phase dif ference between left and right channels Hyper Sound selection w...

Page 56: ...e to prevent children turning on off TV or changing programmes or adjustments etc without remote control Using or button select Child Lock Press button to select Child Lock On or Off The Child Lock feature can be set On or Off by button When Off is selected there will be no difference in the operation of your TV When On is selected the TV can only be controlled by the remote control In this case t...

Page 57: ...rch or button for back ward search If a signal is found or reaches to end of the band after searching press or buttons to continue search pro cess To stop the search process when you want press or buttons at any time Decoder EXT 2 You can use this mode to connect any de coder to your TV Press the or buttons to set it On or Off When you select Decoder EXT 2 On EXT 2 output will be chosen as TV mode...

Page 58: ...INK compatible VCR press BLUE button to exit the menu To give a channel name Name 1 Choose the channel you want to give a channel name 2 Press the RED button to enter the Name mode 3 Press or button to choose the position and press or button to choose each character of channel name 4 Press the RED button to store the channel name To cancel the Name mode press the BLUE button To delete a channel De...

Page 59: ...TV Status Programme Number Programme Name or EXT they are displayed on the upper left of the screen The sound indicator is displayed with them too They are displayed after programme change for 3 seconds Sound Indicator The alternatives of the indicator are Mono Stereo Dual I and Dual II This indicator is displayed under the programme number in dicator on the screen 0RQR In Mono broadcast or in for...

Page 60: ... be changed by pressing Zoom button You can change the screen size according to the picture aspect ratio Select the optimum one from the following ZOOM modes AUTO When a WSS Wide Screen Signalling sig nal which shows the aspect ratio of the pic ture is included in the broadcast signal or the signal from an external device the TV automatically changes the ZOOM mode to 16 9 ZOOM mode PANORAMIC or FU...

Page 61: ...ctly before connecting to the TV See the table in page 44 or 45 for supported modes Use a D SUB cable to connect the TV s PC input to the computer s RGB output termi nal If you want to listen to the sound from the computer use an audio cable to connect the PC AUDIO IN to the computer s sound output terminal 3LQ 0LQL 6XE RQQHFWRU Tighten the screws of the Display cable until the connectors are fast...

Page 62: ...r fonts Use or button to adjust the value Clock Phase Depending on the resolution and scan fre quency that you input to the TV Set you may see a muddy or noisy picture on the screen In such a case you can use this item to get a clear picture by trial and error method Use or button to adjust the value PC Picture Menu In the Main menu select PC Picture using or button then enter the PC Picture menu ...

Page 63: ...XT 4 and PC options When PIP is displayed on the screen button allows you to switch sound between PC and selected PIP source No Signal and Out Of Range Detection PC mode In PC Mode as no menu is displayed in case that there is no PC input to the TV it is displayed an OSD message No input signal detected then the power lamp turns to amber and PC will be in PC standby mode Press AV but ton digit but...

Page 64: ...xt To Reveal concealed Information Pressing button once will reveal an swers on a quiz or games page Pressing button again will conceal the revealed answers To Stop Automatic Page Change The teletext page you have selected may contain more information than what is on the screen the rest of the information will be displayed after a period of time Press button to stop the automatic page change Press...

Page 65: ...tor sockets If you want to connect peripherals e g video decoder etc which have Euroconnectors to your TV use EXT 1 or EXT 2 input If an external device is connected via Euro connector sockets TV is switched to AV mode automatically In this case if both sockets are connected SCART1 has the precedence T V LINK compatible VCR Be sure to connect the T V LINK compatible VCR to the EXT 2 terminal If no...

Page 66: ... the decoder to your TV with a eurocable RCA Jack Cable to EXTERNAL RCA Jack When your decoder has a Euroconnector RCA Jack you can obtain better picture quality if you connect a eurocable RCA Jack Cable to EXTERNAL RCA Jack TV and Video Recoder VCR Connect the Video Recorder to the ANT an tenna input socket of the TV with the aerial cable Connect the Video Recorder to the EXT 1 or EXT 2 terminal ...

Page 67: ...nnector on the rear of the com puter For detail installation procedure see Installation in PC mode To connect to S Video input Connect your camera or camcorder at the back side of your TV Connect your equipment to the TV via S Video input at the back side by using S Video cables ...

Page 68: ...re represents the rear view of Model 17D50BK The connections for Model 23D50BK are identical 3 8 2 1 17 11 7 7 1 3 1387 7 7 287 7 50 1 9 9 9 9 3E 3U RPSRQHQW XGLR Q 5 RPSRQHQW XGLR Q 6 9LGHR Q 9LGHR Q XGLR 5 XGLR XGLR 5 XGLR 6XEZRRIHU 2XW 5 6 27 ...

Page 69: ...5 5 8 2 1 5 9 2 1 1 287 1 2 8 7 DECODER FOR SATELLITE RECEIVER VIDEO HEADPHONE AUDIO AntennaConnections 9 8 DQWHQQD 9 DQWHQQD 5RXQG RKP FRD LDO FDEOH 5RXQG RKP FRD LDO FDEOH ODW RKP WZLQ OHDG FDEOH 5HDU RI 79 5HDU RI 79 2XWGRRU QWHQQD RQQHFWLRQV ...

Page 70: ...of 50 75 Hz and a horizontal sync frequency range of 30 69 KHz The following table is an illustration of some of the typical video display modes RUL RQWDO 9HUWLFDO RU N 9HU 0RGH UHTXHQF 5HVROXWLRQ The native resolution of the TFT LCD Panel is 1280 x 768 Therefore using Mode 15 is ad vised to get the best PC input display quality ...

Page 71: ...of 50 75 Hz and a horizontal sync frequency range of 30 69 KHz The following table is an illustration of some of the typical video display modes RUL RQWDO 9HUWLFDO RU N 9HU 0RGH UHTXHQF 5HVROXWLRQ The native resolution of the TFT LCD Panel is 1360 x 768 Therefore using Mode 15 is ad vised to get the best PC input display quality ...

Page 72: ...here is a problem with your reception Please contact customer services of your service provider if you are a subscriber Tips Can not turn the TV on Check that TV VCR DVD switch is set to TV position TV may go to stand by mode when you turn the TV on soon after you turn the TV off If you can turn the TV on again it is not a problem Can not turn the TV off Check that TV VCR DVD switch is set to TV p...

Page 73: ...connector 21 pin SCART bottom of the TV Video Input S VIDEO Y C input Audio L R and RGB inputs are available Video and Audio L R outputs are available T V LINK functions are available EXT 3 T erminal RCA connectors x 5 bottom of the cabinet Component video Pr Pb Y inputs and Audio L R inputs are available 576p 625p and 480p 525p signals are available EXT 4 T erminal RCA connectors x 3 side of the ...

Page 74: ...roconnector 21 pin SCART bottom of the TV Video Input S VIDEO Y C input Audio L R and RGB inputs are available Video and Audio L R outputs are available T V LINK functions are available EXT 3 T erminal RCA connectors x 5 bottom of the cabinet Component video Pr Pb Y inputs and Audio L R inputs are available 576p 625p and 480p 525p signals are available EXT 4 T erminal RCA connectors x 3 side of th...

Page 75: ...al operation UH RX VXUH RX ZDQW WR GHOHWH DOO FKDQQHOV DQG VHWWLQJV IRU ILUVW WLPH LQVWDOODWLRQ HV 1R Highlight the YES button with the or key and press OK to erase all the channels and settings and switch the receiver to standby should be Corrections Factory settings To reset the TV highlight the Factory Set tings line in the menu and press OK A warning screen is displayed in case of acci dental ...

Page 77: ...2V 4 Power Supply Type MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit Others µH As specified No indication Ceramic capacitor 2 Capacitors Capacitance value 1 or higher pF less than 1 µF Withstand voltage No indication DC50 V Othe...

Page 78: ...E CONTROL PWB PATTERN 2 35 AV JACK PWB PATTERN 2 35 LED PWB PATTERN 2 36 HEADPHONE JACK PWB PATTERN 2 36 USING P W BOARD P W B ASS Y name P W B ASS Y number MAIN P W BOARD SIDE CONTROL P W BOARD LED P W BOARD AV JACK P W BOARD HEADPHONE P W BOARD VE 20184629 VE 20174624 VE 20174629 VE 20177847 VE 20177874 IC BOTTOM VIEW FRONT VIEW TOP VIEW 1 N N 1 OUT E IN IN OUT E 1 N TOP VIEW 1 N 1 N CHIP IC TRA...

Page 79: ...2 SAW FILTER K9356M SAW FILTER SF_63962 PC Audio In L R L EDD 1Kb PC IN YPbPr IN YPbPr Audio In R L SCART 2 SCART 1 DC IN INVERTER POWER SUPPLY KEYPAD MULTIMEDIA CARD READER MODULE OPTION HEADPHONE CARD IR CARD R MAIN OUT LR SC1_OUT_LR SC1_IN_LR SC2_OUT_LR SUB OUT LINE OUT CVBS IN LR S VIDEO MCR IN LR PC IN LR YPbPr IN LR SC2_IN_LR AMMONO IN QSS IF VIDEO IF SOUND IF 1 2 RGB_TEXT RGB_SC CVBS_IF CVB...

Page 80: ... No YA221 2 5 2 6 No YA221 MAIN PWB ASS Y 1 12 VE 20184629 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM 1 12 ...

Page 81: ...2 8 No YA221 No YA221 2 7 NOTE Refer to the part list for the part number of IC302 MAIN PWB ASS Y 2 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 2 12 ...

Page 82: ... No YA221 2 9 2 10 No YA221 MAIN PWB ASS Y 3 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 3 12 ...

Page 83: ...2 12 No YA221 No YA221 2 11 MAIN PWB ASS Y 4 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 4 12 ...

Page 84: ... No YA221 2 13 2 14 No YA221 MAIN PWB ASS Y 5 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 5 12 ...

Page 85: ...2 16 No YA221 No YA221 2 15 MAIN PWB ASS Y 6 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 6 12 ...

Page 86: ... No YA221 2 17 2 18 No YA221 MAIN PWB ASS Y 7 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 7 12 ...

Page 87: ...2 20 No YA221 No YA221 2 19 MAIN PWB ASS Y 8 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 8 12 ...

Page 88: ... No YA221 2 21 2 22 No YA221 MAIN PWB ASS Y 9 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 9 12 ...

Page 89: ...2 24 No YA221 No YA221 2 23 MAIN PWB ASS Y 10 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 10 12 ...

Page 90: ... No YA221 2 25 2 26 No YA221 MAIN PWB ASS Y 11 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 11 12 ...

Page 91: ...2 28 No YA221 No YA221 2 27 MAIN PWB ASS Y 12 12 VE 20184629 MAIN PWB CIRCUIT DIAGRAM 12 12 ...

Page 92: ...ND 2 VS 3 V0 100R R1 50V 22u C1 R G LED_RED GREEN_3P D2 50V 4n7 C101 22u L101 50V 4n7 C100 10k R103 10k R102 150R R100 150R R101 22u L100 HP_R HP_L HP_L HP_R PL100 1 2 3 4 5 6 PHJACK JK100 1 2 3 4 5 6 7 8 9 HEAD_PHONE 16V 100n C808 HEAD_PHONE SIDE CONTROL PWB ASS Y VE 20174624 AV JACK PWB ASS Y VE 20177847 HEADPHONE JACK PWB ASS Y VE 20177874 LED PWB ASS Y VE 20174629 SIDE CONTROL PWB CIRCUIT DIAG...

Page 93: ...2 32 No YA221 No YA221 2 31 TOP PATTERN DIAGRAMS MAIN PWB PATTERN SOLDER SIDE ...

Page 94: ... No YA221 2 33 2 34 No YA221 TOP MAIN PWB PATTERN PARTS SIDE ...

Page 95: ... No YA221 2 35 FRONT TOP AV JACK PWB PATTERN SIDE CONTEROL PWB PATTERN ...

Page 96: ...2 36 No YA221 TOP TOP TOP HEADPHONE JACK PWB PATTERN SOLDER SIDE HEADPHONE JACK PWB PATTERN PARTS SIDE LED PWB PATTERN ...

Page 97: ... No YA221 AV MULTIMEDIA COMPANY DISPLAY CATEGORY 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan ...

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