JVC LT-20B60SU Service Manual Download Page 64

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2-12(No.YA303)

(No.YA303)2-11

100R

R503

100R

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BC848B

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22k

R502

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100R

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22k

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220n

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1N4148

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10k

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56p

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100n

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22k

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Video Matrix

MAIN PWB ASS'Y

(5/8)

VE-20191734

MAIN PWB ASS'Y

(4/8)

VE-20191734

MAIN PWB CIRCUIT DIAGRAM (4/8)

MAIN PWB CIRCUIT DIAGRAM (5/8)

Summary of Contents for LT-20B60SU

Page 1: ...ictor Company of Japan Limited No YA303 2005 8 LCD PANEL TELEVISION YA303 2005 8 LT 20B60SU LT 20B60SJ TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 7 3 DISASSEMBLY 1 10 4 ADJUSTMENT 1 14 5 TROUBLESHOOTING 1 14 ...

Page 2: ...tem TOP German system LCD panel 20V inch 4 3 Screen Size Diagonal 51 1cm H 41 1cm V 30 95cm Display Pixels Horizontal 800 dots Vertical 600 dots Audio Power Output 5W 5W 10 THD Speaker 3 3cm 14 5cm 2 Aerial terminal VHF UHF F type connector 75Ω unbalanced coaxial EXT 1 EXT 2 Input Output 21 pin Euro connector SCART socket 2 EXT 3 Input S Video Video Audio Mini DIN 4 pin 1 Y 1V p p Positive Negativ...

Page 3: ...omponents that indicate evidence of overheating should be replaced Always use the manufacturer s replacement components 6 Isolation Check Safety for Electrical Shock Hazard After re assembling the product always perform an isolation check on the exposed metal parts of the cabinet antenna terminals video audio input and output terminals Control knobs metal cabinet screw heads earphone jack control ...

Page 4: ...aracteristics 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 other hazar...

Page 5: ...h and the surrounding walls as well as the floor etc Install the unit on stable flooring or stands Take precautionary measures to prevent the unit from tipping in order to protect against accidents and earthquakes 1 3 3 NOTES ON HANDLING 1 WHEN TAKING UNIT OUT OF A PACKING CASE When taking the unit out of a packing case do not grasp the upper part of the unit If you take the unit out while graspin...

Page 6: ...ring 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 4 2 OPTICAL FILTER ON THE FRONT OF THE LCD PANEL 1 Avoid placing the unit ...

Page 7: ... 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 High impedance Used Used 9 GND G Used Used 10 SCL T V LINK Not used Used...

Page 8: ...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 9: ...Mode 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 BG DK I L L 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 Levelli...

Page 10: ...2 Remove the HEADPHONE JACK PWB 3 1 7 REMOVING THE MAIN PWB Remove the HINGE COVER the FOOT ASSEMBLY Remove the BACK COVER 1 Remove the 7 screws G 2 Remove the MAIN PWB 3 1 8 REMOVING THE INVERTER UNIT Remove the HINGE COVER the FOOT ASSEMBLY Remove the BACK COVER 1 Remove the 2 screws H 2 Remove the INVERTER SHEELD 3 Remove the 4 screws J 4 Remove the INVERTER UNIT 3 1 9 REMOVING THE SCART BRACKE...

Page 11: ...NGE BRACKET FOOT SUPORT SPEAKER FRONT CONTROL PWB LED PWB FRONT PANEL HEADPHONE JACK PWB L H J M K M G C D B F E O X9 AV JACK PWB HANG METAL INVERTER SHEELD COVER SCART BRACKET MAIN PWB INVERTER UNIT LCD PANEL UNIT N BACK COVER SOCKET DOOR SIDE AV DOOR ...

Page 12: ...l 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 Bright 2 7 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 Mono Setting item Setting po...

Page 13: ...the 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 i...

Page 14: ...1 14 No YA303 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 15: ... No YA303 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 16: ...GLISH DEUTSCH FRANÇAIS LCD TV GERÄT BEDIENUNGSANLEITUNG PANNEAU LCD TELEVISEUR MANUEL D INSTRUCTIONS ITALIANO TV A SCHERMO LCD ISTRUZIONI LT 20B60SU LCD PANEL TV C Ak 45 2835 16 9 3D AV28 GT20U COVER PAGE 2835 AK45 1512UK 16 9 AV 28GT20U 50053856 cdr ...

Page 17: ...ures or hu midity or locations where the temperature is likely to fall below 5ºC 41ºF Mains Supply The mains supply required for this equipment is 220 240 V AC 50 Hz Never connect to a DC supply or any other power source DO en sure 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 Interference Filter the removal of whi...

Page 18: ...igned for unattended operation or has a standby mode Switch the equipment off and make sure your family know how to do this Special arrangements may need to be made for infirm or handicapped people DON T continue to operate the equipment if you are in any doubt about it working normally or it is damaged in any way switch off with draw the mains plug and consult your dealer DON T put the empty batt...

Page 19: ...s on the TV or lean against the TV Doing so may cause the TV to fall over and lead to injuries CAUTION To avoid electric shock or damage to the unit first firmly insert the small end of the power cord into the AC Adaptor unit it is no longer wobbly and then plug the larger end of power cord into an AC outlet CAUTION The TV screen may be damaged if the TV is carried as shown in the diagram The TV s...

Page 20: ... business the loss of recorded data whether caused during normal operation or misuse of the product WARNING NEVER LEAVE A STATIONARY IMAGE ON THE SCREEN If stationary images generated by TELETEXT CHANNELIDENTIFICATION LOGOS COM PUTER 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 displ...

Page 21: ...LLOW Sleep Timer button MENU button Cursor Up button OK button Cursor Right button BACK button Volume Up Down buttons Teletext VCR DVD Control buttons Programme Up Down buttons Cursor Down button Teletext Button Cursor Left button Stereo Bilingual button GREEN Hyper Sound On Off button RED ZOOM Mode button Information Button T V Link in Program Menu Mute button ...

Page 22: ...ENGLISH 6 ControlPanelButtons 67 1 92 80 2 1 92 80 83 352 5 0 2 1 352 5 0 83 0 18 79 9 2 3 21 63 5 63 5 32 5 03 1 5 5 5 9 5 ...

Page 23: ... adjust the direction of the TV screen Tilt the TV up and down While holding the stand with one hand which should be on lower level of the stand for avoiding trapping use your other hand to hold the middle of the top of the TV and slowly tilt the TV up and down How to remove the stand 5 029 7 6 5 6 67 1 ...

Page 24: ... the hook on the back of the TV this will prevent it from falling over Use curtains or blinds to prevent direct sunlight falling on the screen A floor and table top stand are available for this television or and angled bracket which enables the TV to be wall mounted The LCD display panels are manufactured using an extremely high level of precision technol ogy however sometimes some parts of the sc...

Page 25: ...es can be named Forward or backward automatic tuning Sleep timer Child lock Auto 4 3 16 9 Automatic sound mute when no transmis sion When no valid signal is detected after 5 min utes the TV switches itself automatically to stand by mode NTSC Playback PLL Channel Search PC input Support Up to 1024 x 768 BeforeSwitchingonyourTV Power connection Only use the adaptor supplied with this prod uct 7R 32 ...

Page 26: ...cor rect 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 SwitchingtheTVON OFF To switch the TV on Your TV will switch on in two steps 1 Connect the power supply cord to the sys tem Then the TV switches itself to stand by mode and the power lamp becomes red 2 To switch on the TV fr...

Page 27: ...n 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 connected to the EXT 2 terminal on the TV it is easier to set up the VCR and to view videos T V Link uses the following features To use T...

Page 28: ...happen if your TV s main power is turned off Set your TV s main power to on StandBy Mode OperatingtheTV You can operate your TV using both the re mote control handset and onset buttons Volume setting and programme selection can be made by using the buttons on the bottom of the TV Operating with the buttons on the TV Volume Setting Press button to decrease volume or button to increase volume so a v...

Page 29: ...o not run continuously The fifteenth channel in the list for ex ample may not be channel number 15 but channel number 17 MenuSystem Your TV has been designed with a menu sys tem to provide an easy manipulation of a multi function system The TV is controlled by choos ing the commands which are displayed on the screen MAIN MENU Press the MENU button The main menu will be displayed in the middle of t...

Page 30: ...pness level Press button to decrease sharpness level Setting Colour Using or button select Colour Press button to increase colour level Press button to decrease colour level Setting Bright 2 Using or button select Bright 2 Press button to increase the back light Press button to decrease the back light Setting Colour Temp Using or buttonselect ColourTemp Press or button to select Warm Cool or Norma...

Page 31: ... option Press button to increase volume Press button to decrease volume Or you can directly change the volume set tings using to increase or to decrease button Setting Bass Level Using or button select Bass Level Press button to increase bass level Press button to decrease bass level Setting Treble Level Using or button select Treble Press button to increase treble level Press button to decrease t...

Page 32: ... Lock You can use this feature to prevent children turning the TV on off or changing programmes or adjustments etc without remote control Using or button select Child Lock Press button to select Child Lock On or Off When Off is selected there will be no differ ence in the operation of your TV When On is selected the TV can only be controlled by the remote control handset In this case the con trol ...

Page 33: ... 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 only and any scrambled channels will be un scrambled through decoder connected your TV via EXT 2 output Setting VCR Video Cassette Recorder Mode This item ca...

Page 34: ... delete it To cancel the Delete mode press the BLUE button To change the programme number of a channel Insert 1 Choose the channel you want to change the programme number 2 Press the GREEN button to enter the Insert mode 3 Press buttons to choose new programme number 4 Press the GREEN button to insert the chan nel to the chosen programme number Autostore To enterAutostore menu press the BLUE but t...

Page 35: ...n or off In Mono transmission the left and right channels will be added at left channel and dummy stereo effect will be introduced to end user In stereo transmission it yields a phase differ ence between left and right channels Hyper Sound selection will be displayed on the screen when the TV Status button is pressed or programme is changed Picture Mode Picture mode OSD is displayed when BLUE butt...

Page 36: ...ol panel at the bottom of the TV and no menu is active it stays on the screen for 3 seconds after the last volume command or until another command is received in between EXT Modes By pressing the AV button you can switch your TV to EXT modes except being in Tele text Pressing this button consecutively will switch the TV in one of the optional EXT modes EXT 1 EXT 2 EXT 2 S EXT 3 EXT 3 S and PC In o...

Page 37: ...place automatically Select Auto position item by using or buttons Press OK button Press MENU buttonor BACK buttontostore the value Warning Auto position adjustment recom mended to be done with the full screen image for the proper adjustment Horizontal Position This item shifts the image horizontally to right hand side or left hand side of the screen Select Hori Position item by using or button Use...

Page 38: ... to reset the PC picture settings to default factory settings Sound Menu In the main menu select Sound using or button then enter the Sound menu by pressing or OK buttons The items in this menu are described at Sound menu starting page 15 Source Menu In the Main menu select Source using or button then enter the Source menu by pressing or OK buttons 6RXUFH 3 79 7 7 7 6 7 7 6 3 Select the available ...

Page 39: ...the TV mode In the TV mode enter a page number using digit buttons The page will be searched and the page number will be displayed on the upper left corner of the screen when the selected page is found Now you can display this tele text page by pressing button To Select Double Height Text Press button for the top half of the infor mation page to be displayed in double height text Press button agai...

Page 40: ...p ment that can be connected to your TV Connection diagrams at the end of this sec tion show you where the different equipment should be connected at the back side of the TV Via the Euroconnector Your TV set has 2 Euroconnector sockets If you want to connect peripherals e g video decoder etc which have Euroconnectors to your TV use SCART input If an external device is connected via Euro connector ...

Page 41: ...ket of the TV with the aerial cable Connect the Video Recorder to the EXT 1 or EXT 2 terminal with the SCART cable or con nect it to the EXT 3 terminal with the audio and video cables NTSC Playback Connect a NTSC video recorder to a terminal Then press AV button to select the corre sponding AV mode NTSC 3 58 4 43 system is detected automati cally in AV mode Camera and Camcorder To connect to the E...

Page 42: ...ENGLISH 26 3 8 2 1 17 11 7 1 3725 3 1387 7 9 9 9 9 7 6 9 2 1 8 2 5 9 2 1 PeripheralEquipmentConnections ...

Page 43: ... 0 25 5 8 2 1 5 9 2 1 1 287 1 2 8 7 DECODER FORSATELLITERECEIVER VIDEO HEADPHONE AUDIO 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 AntennaConnections ...

Page 44: ...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 When Mode 10 to Mode 12 signals are input thin lines may become obscure for their signal frequencies are higher than the display resolution ...

Page 45: ...e of the peripherals No Image on Display Screen Is the aerial connected properly Are the plugs connected tightly to the aerial socket Is the aerial cable damaged Are suitable plugs used to connect the aerial If you are in doubt consult your dealer No Image means that your TV is not receiving any transmission Have you pressed the cor rect buttons on the remote control Try once more PC Picture If no...

Page 46: ...al Euroconnector 21 pin SCART 1 back of the cabinet Video Input Audio L R Inputs and RGB inputs are available TV broadcast outputs Video and Audio L R are available EXT 2Terminal Euroconnector 21 pin SCART 2 back of the cabinet 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 3Terminal RCA connectors...

Page 47: ...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 48: ...6578 LCD PANEL UNIT TFT 4 3 9 VE 35012940 MAIN FRAME 10 VE 30031727 6 CCFL INVERTER UNIT 11 VE 35006732 INVERTER SHIELD 12 VE 20195291 SCART BRACKET 13 VE 20199449 BACK COVER 14 VE 20199486 FAV BRACKET 15 VE 35012930 HANG METAL x2 16 VE 35011433 METAL HINGE BRACKET 17 VE 20197265 FOOT SUPPORT 18 VE 45004767 METAL HINGE 19 VE 20197266 HINGE COVER 20 VE 35012282 FOOT HINGE 21 VE 35012283 FOOT 22 VE ...

Page 49: ... No YA303 3 3 EXPLODED VIEW 100 104 103 102 9 8 6 1 7 24 2 12 10 16 15 20 21 25 18 X2 X5 101 3 4 5 17 19 14 23 22 26 30 29 27 28 13 X9 X6 X4 X4 X4 11 ...

Page 50: ...DE D301 VE 30001285 DIODE D302 VE 30001285 DIODE D305 VE 30001285 DIODE D306 VE 30001285 DIODE D307 VE 30001285 DIODE D500 VE 30001285 DIODE D501 VE 30012411 DIODE D600 VE 30007760 Z DIODE D700 VE 30007761 Z DIODE D701 VE 30001285 DIODE D702 VE 30001285 DIODE D703 VE 30001285 DIODE D704 VE 30007760 Z DIODE D706 VE 30007760 Z DIODE D707 VE 30007760 Z DIODE D708 VE 30007760 Z DIODE D709 VE 30007760 ...

Page 51: ...C407 VE 30012583 CAPACITOR 1 5nF 50V K C408 VE 30012572 CAPACITOR 390pF 50V J Ref No Part No Part Name Description Local C409 VE 30000345 E CAPACITOR 10uF 50V M C410 VE 30012590 CAPACITOR 47nF 50V K C411 VE 30000068 CAPACITOR MKT 1nF 63V K C412 VE 30007082 CAPACITOR MKT 680nF 63V J C413 VE 30007082 CAPACITOR MKT 680nF 63V J C414 VE 30012582 CAPACITOR 10nF 50V K R C415 VE 30000345 E CAPACITOR 10uF ...

Page 52: ... C792 VE 30000294 CAPACITOR 100nF 50V K C793 VE 30012582 CAPACITOR 10nF 50V K R Ref No Part No Part Name Description Local C794 VE 30012582 CAPACITOR 10nF 50V K R C795 VE 30012581 CAPACITOR 1nF 50V K R C796 VE 30012581 CAPACITOR 1nF 50V K R C797 VE 30000294 CAPACITOR 100nF 50V K C798 VE 30012574 CAPACITOR 470pF 50V J C799 VE 30012567 CAPACITOR 220pF 50V J C801 VE 30000294 CAPACITOR 100nF 50V K C80...

Page 53: ...317 VE 30012650 RESISTOR 1 16W 15K J R318 VE 30012659 RESISTOR 1 16W 2 2K J R319 VE 30012692 RESISTOR 1 16W 4 7K J R320 VE 30012659 RESISTOR 1 16W 2 2K J Ref No Part No Part Name Description Local R321 VE 30012692 RESISTOR 1 16W 4 7K J R322 VE 30012695 RESISTOR 1 16W 470R J R323 VE 30012987 RESISTOR 1 16W 56R J R324 VE 30012692 RESISTOR 1 16W 4 7K J R325 VE 30012695 RESISTOR 1 16W 470R J R326 VE 3...

Page 54: ...VE 30012685 RESISTOR 1 16W 33K J R706 VE 30012641 RESISTOR 1 16W 10K J Ref No Part No Part Name Description Local R707 VE 30012685 RESISTOR 1 16W 33K J R708 VE 30012715 RESISTOR 1 16W 82K J R709 VE 30012715 RESISTOR 1 16W 82K J R710 VE 30012641 RESISTOR 1 16W 10K J R711 VE 30012510 RESISTOR 1 16W 100R J R712 VE 30012657 RESISTOR 1 16W 1K J R713 VE 30012657 RESISTOR 1 16W 1K J R714 VE 30012702 RESI...

Page 55: ... L721 VE 30024779 FERRITE 50R 100MHz 3A L722 VE 30024779 FERRITE 50R 100MHz 3A L723 VE 30001971 FERRITE 600R 100MHz 200mA L724 VE 30013412 FERRITE 1 5K 100MHz 500 mA L725 VE 30013412 FERRITE 1 5K 100MHz 500 mA L726 VE 30001971 FERRITE 600R 100MHz 200mA L727 VE 30001971 FERRITE 600R 100MHz 200mA L728 VE 30001971 FERRITE 600R 100MHz 200mA L734 VE 30001971 FERRITE 600R 100MHz 200mA L801 VE 30002170 F...

Page 56: ...ER CORD For AC ADAPTOR LT 20B60SJ 6 VE 30002376 POWER CORD For AC ADAPTOR LT 20B60SU 7 VE 50067840 INST BOOK ENG LT 20B60SJ 7 VE 50066101 INST BOOK ENG GER FRA ITA LT 20B60SU 7 VE 50066102 INST BOOK SWE DAN NOR FIN LT 20B60SU 7 VE 50066103 INST BOOK SPA POR DUT LT 20B60SU 7 VE 50066104 INST BOOK POL CZE HUN LT 20B60SU 7 VE 50066105 INST BOOK BUL RUS ROM LT 20B60SU 8 VE 50067871 WARRANTY CARD LT 20...

Page 58: ...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 Others DC...

Page 59: ... PWB PATTERN 2 25 FRONT CONTROL PWB PATTERN 2 25 LED PWB PATTERN 2 26 HEADPHONE JACK PWB PATTERN 2 26 USING P W BOARD P W B ASS Y name MAIN P W BOARD FRONT CONTROL P W BOARD AV JACK P W BOARD HEADPHONE JACK P W BOARD LED P W BOARD VE 20191734 VE 20174624 VE 20214362 VE 20177874 VE 20198076 LT 20B60SJ LT 20B60SU 2 2 No YA303 IC BOTTOM VIEW FRONT VIEW TOP VIEW 1 N N 1 OUT E IN IN OUT E 1 N TOP VIEW ...

Page 60: ...A3002D2 SAW FILTER K9656M SAW FILTER K3953M PC Audio In L R L 1Kb EDID 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_I...

Page 61: ...GND7 29 COAST 30 HSYNC 31 VSYNC 32 GND8 33 FILT 34 PVD1 35 PVD2 36 GND9 45 VD5 46 VD6 47 GND13 48 GAIN 49 SOGIN 50 GND14 51 VD7 52 VD8 53 GND15 54 RAIN 55 AO 56 SCL 57 SDA 58 REFBYPASS 59 VD9 60 GND16 65 SOGOUT 66 HSOUT 67 DATACK 68 GND19 69 VDD4 70 RED7 71 RED6 72 RED5 73 RED4 74 RED3 75 RED2 76 RED1 77 RED0 78 VDD5 79 VDD6 80 GND20 17 BLUE2 18 BLUE1 19 BLUE0 20 GND3 37 MIDSCV 38 CLAMP 39 VD3 40 ...

Page 62: ...C E 4 VSS 5 SDA 6 SCL 7 MODE_WC 8 VCC SCL_3 3V BC848B Q301 SDA_3 3V 47k R328 5VSTB Y 100R R333 47k R330 SCL_3 3V S 2 5V BC848B Q303 BC848B Q304 47k R329 100R R332 BC848B Q302 SCL_5V 6k8 R335 SDA_5V 6k8 R334 47k R331 3 3V S 3 3V BL_ONOFF 4k7 R367 MUTE 4k7 R368 4k7 R369 S 3 3V S 3 3V 16V 100n C335 FB_SC1 S 3 3V 330R R378 4k7 R376 S 3 3V TV AV PL302 1 2 3 4 POWER TV AV PL301 1 2 3 4 5 50V 120p C336 S...

Page 63: ...R R400 47R R418 S404 16V 100n C441 50V 10u C409 50V 47n C416 R_SC R1 R2 R3 R4 10R R417 1 2 3 4 7 8 8 6 5 150R R404 VPCA FB_SEL B_SC 50V 330p C434 S405 75R R401 RESET_VPC3230 50V 68n C400 S400 G_SC HSYNC_TEXT BLM21A601S L402 25V 220n C433 B_TXT 50V 330p C419 50V 330p C417 63V 680n C412 1k R427 G_SEL G_SEL VPCD CVBSTXT 50V 330p C436 50V 47n C428 B_SEL 50V 47n C402 R_TXT 50V 3p3 C405 25V 220n C425 10...

Page 64: ... 50V 22u C523 25V 100n C524 5V_TU_IF 5V 5V_TU_IF 22u L504 16V 100u C525 100R R530 16V 100n C526 16V 10u C527 50V 470p C528 PAL 6k8 R531 5V_IF SW01 L BG DK I L 15MOHM TAKILACAK K9356M SW01 H L 75R R616 4k7 R612 4k7 R607 12V 16V 100n C605 75R R614 75R R613 8V 63V 100n C602 BC848B Q601 75R R600 10k R611 63V 100n C603 16V 100n C604 10R R604 75R R608 BZT55C10 D600 A 1 K 2 63V 100n C601 10R R609 CVBS_BA...

Page 65: ...22u C770 50V 22u C769 5V_AUD 5V_AUD 1k R738 1k R739 S706 S707 25V 220n C773 25V 220n C771 50V 1n C774 1k R741 1k R740 50V 1n C772 PC_IN_R PC_IN_L 12V L710 16V 1000u C775 50V 100n C777 50V 100n C778 50V 220p C779 120k R742 50V 10n C780 50V 10n C781 50V 100n C782 50V 100n C783 50V 10u C784 50V 1n C785 50V 1n C786 50R_100MHZ_3A L718 50R_100MHZ_3A L719 12V_AUD 12V_AUD 12V_AUD 50V 10u C803 50V 100n C80...

Page 66: ...R_FB 19 TXIN18 21 GND3 16 TXIN16 18 TXIN17 20 TXIN19 22 TXIN20 24 TXIN22 26 VCC3 28 TXIN25 23 TXIN21 25 TXIN23 27 TXIN24 45 TXOUT1 55 TXIN3 31 TXCLKIN 39 TXCLKOUT 47 TXOUT0 35 PLLGD 41 TXOUT2 53 GND5 29 GND4 49 LVDSGND3 43 LVDSGND2 37 TXOUT3 51 TXIN0 33 PLLGND GA6 50V 10n C815 TXOUT3 TXOUT3 TXCLKOUT RA2 PANEL_VCC PL801 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 3...

Page 67: ...u C920 16V 100n C923 22u L904 50V 10n C921 STPS745 D901 12V 22u L903 100uH L905 16V 1000u C922 S905 100R R908 100R R907 IC901 1 VIN 2 OUTPUT 3 GND 4 FEEDBACK 5 ON OFF IC904 1 VIN 2 OUTPUT 3 GND 4 FEEDBACK 5 ON OFF IC907 1 VIN 2 OUTPUT 3 GND 4 FEEDBACK 5 ON OFF S 3 3V IC902 1 S1 3 S2 6 D2A 8 D1A 2 G1 4 G2 7 D1 5 D2 IC909 1 ADJ 2 OUT 3 IN 16V 1000u C934 12V 8V 22R R921 16V 100n C935 16V 100n C936 47...

Page 68: ...SW 4 680R R3 SW 2 1k5 R2 SW 3 TV AV SW7 TSW VERTICAL SW11 TSW VERTICAL SW12 TSW VERTICAL SW13 TSW VERTICAL SW14 TSW VERTICAL SW15 TSW VERTICAL SW19 PL2 1 2 3 4 POWER SW18 TSW VERTICAL SW17 P VOL P MENU VOL AV JACK PWB ASS Y VE 20214362 FRONT CONTROL PWB ASS Y VE 20174624 HEADPHONE JACK PWB VE 20177874 LED PWB ASS Y VE 20198076 AV JACK PWB CIRCUIT DIAGRAM FRONT CONTROL PWB CIRCUIT DIAGRAM HEADPHONE...

Page 69: ... No YA303 2 21 2 22 No YA303 TOP PATTERN DIAGRAMS MAIN PWB PATTERN SOLDER SIDE ...

Page 70: ...2 24 No YA303 No YA303 2 23 TOP MAIN PWB PATTERN PARTS SIDE ...

Page 71: ... 26 No YA303 FRONT TOP TOP TOP TOP TOP AV JACK PWB PATTERN FRONT CONTEROL PWB PATTERN HEADPHONE JACK PWB PATTERN SOLDER SIDE HEADPHONE JACK PWB PATTERN PARTS SIDE LED PWB PATTERN SOLDER SIDE LED PWB PATTERN PARTS SIDE ...

Page 72: ... No YA303 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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