JVC LT-20DJ5SFR Скачать руководство пользователя страница 13

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(No.YA437)1-13

4.2.5 SERVICE MODE SETTING ITEMS

SECTION 5

TROUBLESHOOTING

This service manual does not describe TROUBLESHOOTING.

Setting menu

Setting items

Setting menu

Setting items

Adjust

Group

Option 2

Carrier

Mode

LDLY

Col Temp

AGC

Contrast

Other

Brightness

Colour

Osdclk_Dly

Sharpness

Osdclk_pinDly

Red

MAD

Green

Aps Wss Test

Programme

Blue

VPS

Aps Volume

Scart Volume Avl Off

Option 1

First APS

Pdc Format 1

FM Prs Avl On

Pdc Format 2

Nicam Prs Avl On

Name

Scart Prs Avl On

WSS

Scart Volume Avl On
FM Prs Avl Off
Nicam Prs Avl Off
Scart Prs Avl Off
Scart Volume Avl Off
Avl
Sound

Содержание LT-20DJ5SFR

Страница 1: ... of Japan Limited No YA437 2006 6 LCD PANEL TELEVISION YA437 2006 6 LT 20DJ5SGE LT 20DJ5SFR LT 20DJ5SSP TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 8 4 ADJUSTMENT 1 12 5 TROUBLESHOOTING 1 13 Preliminary ...

Страница 2: ...8cm V 30 6cm Display Pixels Horizontal 800 dots Vertical 600 dots SVGA Audio Power Output 5W 5W 10 THD Speaker 3 0cm 10 0cm 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 50...

Страница 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 ...

Страница 4: ... 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 2 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 grasping...

Страница 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...

Страница 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...

Страница 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...

Страница 8: ...he FOOT ASSEMBLY Remove the BACK COVER 1 Remove the 4 screws G 2 Remove the AV JACK PWB 3 1 8 REMOVING THE METAL HANG Remove the FOOT ASSEMBLY Remove the HANDLE Remove the BACK COVER 1 Remove the 1 screw H 2 Remove the METAL HANG 3 Remove the opposite METAL HANG same steps 3 1 9 REMOVING THE BRACKET SOCKET COVER Remove the FOOT ASSEMBLY Remove the BACK COVER 1 Remove the 2 screws J 2 Remove the BR...

Страница 9: ...NG FOOT ASSEMBLY FOOT TOP COVER HINGE COVER CABLE HOLDER BACK DOOR SPEAKER LED PWB LED LENS SIDE CONTROL PWB FUNCTION BUTTON H L M AV JACK PWB BRACKET SOCKET COVER MAIN PWB LCD PANEL UNIT DISPLAY SUPPORT FRONT COVER G A P Q B INVERTER UNIT N CARD SLOT DOOR ...

Страница 10: ...ERATION 3 2 1 3 REMOTE CONTROL MENU OPERATION 1 PICTURE 2 SOUND 3 FEATURE 4 INSTALLATION Setting item Setting position POWER Off TV AV TV Setting item Setting position ZOOM Auto Hyper Sound Off Setting item Setting position Mode Bright Colour Temp Cool Noise Red Minimum Setting item Setting position Hyper Sound Off Sound Mode Mono Setting item Setting position Sleep Timer Off Child Lock Off Langua...

Страница 11: ...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...

Страница 12: ...justment 6 Never touch the parts such as variable resistors transformers and condensers not shown in the adjustment items of this service adjustment 4 2 BASIC OPERATION OF SERVICE MODE 4 2 1 HOW TO ENTER THE SERVICE MODE 1 Press INFORMATION key and MUTING key on the remote control unit simultaneously to enter the SERVICE MODE SCREEN 4 2 2 HOW TO EXIT THE SERVICE MODE Press the MENU key to exit the...

Страница 13: ...p Option 2 Carrier Mode LDLY Col Temp AGC Contrast Other Brightness PC Colour Osdclk_Dly Sharpness Osdclk_pinDly Red MAD Green Aps Wss Test Programme Blue VPS Aps Volume Scart Volume Avl Off Option 1 First APS Pdc Format 1 FM Prs Avl On Pdc Format 2 Nicam Prs Avl On Name Scart Prs Avl On WSS Scart Volume Avl On FM Prs Avl Off Nicam Prs Avl Off Scart Prs Avl Off Scart Volume Avl Off Avl Sound ...

Страница 14: ... No YA437 Flat Panel 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 ...

Страница 15: ...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 withstand vo...

Страница 16: ...ERN DIAGRAMS MAIN PWB PATTERN 2 35 SIDE CONTROL PWB PATTERN 2 39 AV HEADPHONE PWB PATTERN 2 39 USING P W BOARD 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 TRANSISTOR BOTTOM VIEW FRONT VIEW TOP VIEW CHIP TR E C B E C B C B E B G E S C D E C B E C B P W B ASS Y name MAIN P W BOARD SIDE CONTROL P W BOARD AV HEADPHONE P W BOARD VE 20267685 VE 20224821 VE 2...

Страница 17: ...2 4 No YA437 No YA437 2 3 WIRING DIAGRAM ...

Страница 18: ...UT RCA_CVBS RCA AUDIO IN OUT ADC AD9883 FLASH V G A A V I2 C I2C I2C I2C I2 C Audio Amplifier 2x3W SCART 2 EE PROM SDRAM PORTB PORTA I2C BT656 RGB SWITCH 1 RGB SWITCH 2 SCART 2 CVBS IN OUT SCART1 RGB IN OSD GENERATOR MC14 SCART 1 CVBS IN OUT SCART 2 RGB IN I2 C SVHS Y I2 C HEADPHONE OUT SCART 1 AV AUDIO IN OUT I2 C 24Bit RGB AUDIO SCART 1 SVHS VIDEO MATRIX SWITCH SVHS C I2 C CVBS IF CVBS IF SCART ...

Страница 19: ... 0 7 CMD_CLK CMD_SYNC CMD_VALID BT 601 8 bit HS VS PCM I2S AUDIO L R CI CONNECTOR EMI DRAM SMI DRAM FLASH I2C I2C EE PROM ADR DATA LATCH ADR 0 14 CPU_ DATA 0 7 MDIA_D 0 7 MDOA_D 0 7 MA_A 0 14 CI CARD INTERFACE STV0700 I2 C I2C PCM DAC I2 C CVBS TO VIDEO MATRIX TO AUDIO SWITCH TO GM6015 PORT B FROM POWER SUPPLY Serial Interface RX TX IRQ TO SDA 5550 CONTROLLER BLOCK DIAGRAM IDTV PART ...

Страница 20: ... No YA437 2 9 2 10 No YA437 c17mb16p 2_0602_1 12_0 0 MAIN PWB ASS Y 1 12 VE 20267685 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM 1 12 SHEET1 ...

Страница 21: ...2 12 No YA437 No YA437 2 11 c17mb16p 2_0602_2 12_0 0 MAIN PWB ASS Y 2 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 2 12 SHEET 2 ...

Страница 22: ... No YA437 2 13 2 14 No YA437 c17mb16p 2_0602_3 12_0 0 MAIN PWB ASS Y 3 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 3 12 SHEET 3 ...

Страница 23: ...2 16 No YA437 No YA437 2 15 c17mb16p 2_0602_4 12_0 0 MAIN PWB ASS Y 4 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 4 12 SHEET 4 ...

Страница 24: ... No YA437 2 17 2 18 No YA437 c17mb16p 2_0602_5 12_0 0 MAIN PWB ASS Y 5 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 5 12 SHEET 5 ...

Страница 25: ...2 20 No YA437 No YA437 2 19 c17mb16p 2_0602_6 12_0 0 MAIN PWB ASS Y 6 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 6 12 SHEET 6 ...

Страница 26: ... No YA437 2 21 2 22 No YA437 c17mb16p 2_0602_7 12_0 0 MAIN PWB ASS Y 7 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 7 12 SHEET 7 ...

Страница 27: ...2 24 No YA437 No YA437 2 23 c17mb16p 2_0602_8 12_0 0 MAIN PWB ASS Y 8 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 8 12 SHEET 8 ...

Страница 28: ... No YA437 2 25 2 26 No YA437 c17mb16p 2_0602_9 12_0 0 MAIN PWB ASS Y 9 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 9 12 SHEET 9 ...

Страница 29: ...2 28 No YA437 No YA437 2 27 c17mb16p 2_0602_10 12_0 0 MAIN PWB ASS Y 10 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 10 12 SHEET 10 ...

Страница 30: ... No YA437 2 29 2 30 No YA437 c17mb16p 2_0602_11 12_0 0 MAIN PWB ASS Y 11 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 11 12 SHEET 11 ...

Страница 31: ...2 32 No YA437 No YA437 2 31 c17mb16p 2_0602_12 12_0 0 MAIN PWB ASS Y 12 12 VE 20267685 MAIN PWB CIRCUIT DIAGRAM 12 12 SHEET 12 ...

Страница 32: ... No YA437 2 33 2 34 No YA437 SIDE CONTROL PWB ASS Y VE 20224821 AV HEADPHONE PWB ASS Y VE 20242334 AV HEADPHONE PWB CIRCUIT DIAGRAM SHEET14 SIDE CONTROL PWB CIRCUIT DIAGRAM SHEET13 ...

Страница 33: ...2 36 No YA437 No YA437 2 35 PATTERN DIAGRAMS MAIN PWB PATTERN SOLDER SIDE ...

Страница 34: ... No YA437 2 37 2 38 No YA437 MAIN PWB PATTERN PARTS SIDE ...

Страница 35: ... No YA437 2 39 AV HEADPHONE PWB PATTERN SIDE CONTROL PWB PATTERN ...

Страница 36: ...r 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 MPP CAP...

Страница 37: ... BOARD ASS Y VE 20267685 3 14 SIDE CONTROL P W BOARD ASS Y VE 20224821 3 14 AV JACK P W BOARD ASS Y VE 20242334 3 14 PRINTED WIRING BOARD PARTS LIST LT 20DJ5SSP 3 15 MAIN P W BOARD ASS Y VE 20267685 3 15 SIDE CONTROL P W BOARD ASS Y VE 20224821 3 15 AV JACK P W BOARD ASS Y VE 20242334 3 15 PACKING 3 16 PACKING PARTS LIST 3 16 USING P W BOARD REMOTE CONTROL UNIT P W B ASS Y name P W B ASS Y No LT 2...

Страница 38: ...R 19 VE 30046385 LCD PANEL UNIT 20 VE 35012866 FRAME 21 VE 20225352 DISPLAY BRACKET LEFT x2 22 VE 20225353 DISPLAY BRACKET RIGHT x2 50 VE 20255288 FOOT ASSEMBLY 51 VE 20224795 HINGE COVER 52 VE 20224794 FOOT TOP COVER 53 VE 35008090 SCREW M3 5x12 For FOOT TOP COVER x2 71 VE 30032464 E HARNESS ASSY MAIN PL704 SPEAKER LEFT 72 VE 30036412 E HARNESS ASSY MAIN PL703 SPEAKER RIGHT 73 VE 30044690 E HARNE...

Страница 39: ...3 4 No YA437 EXPLODED VIEW 1 17 15 16 14 50 53 52 51 5 1 3 2 7 104 18 12 10 9 102 101 8 103 4 6 19 13 11 20 21 22 22 21 ...

Страница 40: ...37 3 5 EXPLODED VIEW 2 MAIN PWB AV JACK PWB LED PWB SIDE CONTROL PWB SPEAKER L SPEAKER R LCD PANEL UNIT INVERTER UNIT TOP PL702 PL801 PL306 PL303 PL302 PL704 PL703 PL707 PL101 PL100 PL1 75 73 74 76 77 78 71 72 ...

Страница 41: ...RANSISTOR Q900 VE 30001457 TRANSISTOR Q901 VE 30001457 TRANSISTOR Q902 VE 30001454 TRANSISTOR Q903 VE 30001457 TRANSISTOR Q904 VE 30007798 TRANSISTOR Q905 VE 30007798 TRANSISTOR Q906 VE 30001457 TRANSISTOR Q907 VE 30001457 TRANSISTOR Q1120 VE 30001457 TRANSISTOR Q1121 VE 30001457 TRANSISTOR Q1206 VE 30012551 TRANSISTOR Q1207 VE 30012552 TRANSISTOR Q1400 VE 30016424 TRANSISTOR Q1401 VE 30016424 TRA...

Страница 42: ...317 VE 30012569 CAPACITOR 33pF 50V J C318 VE 30012569 CAPACITOR 33pF 50V J Ref No Part No Part Name Description Local C319 VE 30000371 E CAPACITOR 22uF 50V M C320 VE 30016654 CAPACITOR 100nF 16V K C321 VE 30016654 CAPACITOR 100nF 16V K C324 VE 30000371 E CAPACITOR 22uF 50V M C325 VE 30012607 CAPACITOR 150pF 50V J C326 VE 30012569 CAPACITOR 33pF 50V J C327 VE 30016654 CAPACITOR 100nF 16V K C328 VE ...

Страница 43: ...1nF 50V K C786 VE 30012581 CAPACITOR 1nF 50V K Ref No Part No Part Name Description Local C787 VE 30020694 CAPACITOR 1uF 16V Z C788 VE 30020694 CAPACITOR 1uF 16V Z C789 VE 30020694 CAPACITOR 1uF 16V Z C790 VE 30020694 CAPACITOR 1uF 16V Z C791 VE 30020694 CAPACITOR 1uF 16V Z C792 VE 30010555 CAPACITOR 1uF 16V K C793 VE 30012582 CAPACITOR 10nF 50V K C794 VE 30012582 CAPACITOR 10nF 50V K C795 VE 3001...

Страница 44: ...30012565 CAPACITOR 1 8pF 50V J C1472 VE 30000384 E CAPACITOR 2 2uF 50V M C1473 VE 30012581 CAPACITOR 1nF 50V K Ref No Part No Part Name Description Local C1474 VE 30012581 CAPACITOR 1nF 50V K C1475 VE 30000352 E CAPACITOR 100uF 16V M C1476 VE 30000352 E CAPACITOR 100uF 16V M C1477 VE 30016654 CAPACITOR 100nF 16V K C1480 VE 30000294 CAPACITOR 100nF 50V K C1481 VE 30000375 E CAPACITOR 220uF 16V M C1...

Страница 45: ... 16W 22K J R357 VE 30012692 RESISTOR 1 16W 4 7K J R358 VE 30012695 RESISTOR 1 16W 470R J Ref No Part No Part Name Description Local R359 VE 30012659 RESISTOR 1 16W 2 2K J R360 VE 30012506 RESISTOR 1 16W 1 5K J R361 VE 30012657 RESISTOR 1 16W 1K J R367 VE 30012692 RESISTOR 1 16W 4 7K J R368 VE 30012692 RESISTOR 1 16W 4 7K J R369 VE 30012692 RESISTOR 1 16W 4 7K J R372 VE 30012692 RESISTOR 1 16W 4 7K...

Страница 46: ...R 1 16W 100K J Ref No Part No Part Name Description Local R780 VE 30012641 RESISTOR 1 16W 10K J R784 VE 30000464 RESISTOR 1 10W 100R J R785 VE 30000464 RESISTOR 1 10W 100R J R786 VE 30012713 RESISTOR 1 16W 75R J R787 VE 30012713 RESISTOR 1 16W 75R J R789 VE 30012510 RESISTOR 1 16W 100R J R790 VE 30012510 RESISTOR 1 16W 100R J R791 VE 30012510 RESISTOR 1 16W 100R J R792 VE 30012510 RESISTOR 1 16W 1...

Страница 47: ...128 RESISTOR 1 16W 33R J R1658 VE 30014022 RESISTOR 1 16W 47R J R1659 VE 30014022 RESISTOR 1 16W 47R J R1739 VE 30012641 RESISTOR 1 16W 10K J R1740 VE 30026054 RESISTOR ARRAY 1 32W 47R J R1741 VE 30026054 RESISTOR ARRAY 1 32W 47R J R1742 VE 30026054 RESISTOR ARRAY 1 32W 47R J R1743 VE 30026054 RESISTOR ARRAY 1 32W 47R J R1744 VE 30026054 RESISTOR ARRAY 1 32W 47R J R1745 VE 30026054 RESISTOR ARRAY ...

Страница 48: ...E 30000526 RESISTOR 1 4W 1 5K J R3 VE 30000770 RESISTOR 1 4W 680R J R4 VE 30000702 RESISTOR CF 1 4W 430R J R5 VE 30000623 RESISTOR 1 4W 270R G SW1 VE 30032684 TACT SWITCH VOLUME SW2 VE 30032684 TACT SWITCH VOLUME SW3 VE 30032684 TACT SWITCH PROGRAM SW4 VE 30032684 TACT SWITCH PROGRAM SW5 VE 30032684 TACT SWITCH MENU OK SW6 VE 30032684 TACT SWITCH STAND BY SW7 VE 30032684 TACT SWITCH TV AV Ref No P...

Страница 49: ...IN P W BOARD ASS Y VE 20267685 REFER TO PARTS LIST IN PAGE 3 6 FOR THIS P W BOARD SIDE CONTROL P W BOARD ASS Y VE 20224821 REFER TO PARTS LIST IN PAGE 3 13 FOR THIS P W BOARD AV JACK P W BOARD ASS Y VE 20242334 REFER TO PARTS LIST IN PAGE 3 13 FOR THIS P W BOARD ...

Страница 50: ...IN P W BOARD ASS Y VE 20267685 REFER TO PARTS LIST IN PAGE 3 6 FOR THIS P W BOARD SIDE CONTROL P W BOARD ASS Y VE 20224821 REFER TO PARTS LIST IN PAGE 3 13 FOR THIS P W BOARD AV JACK P W BOARD ASS Y VE 20242334 REFER TO PARTS LIST IN PAGE 3 13 FOR THIS P W BOARD ...

Страница 51: ...E 30044649 REMOTE CONTROL UNIT RM C1897C 4 BATTERY AA R6 type x2 5 VE 50087311 INST BOOK English French LT 20DJ5SFR 5 VE 50087318 INST BOOK English German LT 20DJ5SGE 5 VE 50087315 INST BOOK English Spanish LT 20DJ5SSP 6 WARRANTY CARD VE 50087312 LT 20DJ5SFR 6 WARRANTY CARD VE 50087319 LT 20DJ5SGE 6 WARRANTY CARD VE 50087316 LT 20DJ5SSP 7 VE 30002376 POWER CORD 8 VE 30041644 AC ADAPTOR DC12V 6A 9 ...

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