Zenith D52WLCD Series Скачать руководство пользователя страница 60 | Manualshive

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CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR
COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

ALL SYMBOLS WITH “M” ON END OF DESIGNATOR
INDICATE SURFACE MOUNTED COMPONENT

A

B

C

D

E

F

G

1

2

3

4

5

6

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9

10

56

SHEET 56

D52WLCD - 923-03??6

Digital Microprocessor Circuit

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Содержание D52WLCD Series

Страница 1: ...s D52WLCD D52WLCD4 Printed in U S A General Info 1 Service Menu 2 Servicing 3 Parts List 4 Diagrams 5 Schematics 6 CONTENTS REVISED EDITION Published July 2003 by Technical Publications LG Electronics...

Страница 2: ...t danger of electrical shock DO NOT USE A LINE ISOLATION TRANSFORMER DURING THIS TEST Use an AC voltmeter having 5000 ohms per volt or more sensitivity in the following manner Connect a 1500 ohm 10 wa...

Страница 3: ...MBLY 34 LAMP REPLACEMENT 34 CABINET DISASSEMBLY 35 ELECTRICAL DISASSEMBLY 37 ADJUSTMENTS 38 EXPLODED VIEW 44 PARTS 46 SCHEMATICS 53 MAIN CIRCUIT 53 DIGITAL CIRCUIT 54 MICROPROCESSOR CIRCUIT 55 DIGITAL...

Страница 4: ......

Страница 5: ...re than 408 mVrms fix Impedance output 2 kohms Component input 2 Y 1 0 Vp p 75 ohms w sync 2 PB 0 7 Vp p 75 ohms 2 PR 0 7 Vp p 75 ohms PC DTV Inputs 1 15 pin Sub D Female Speaker output W 10W x2 Power...

Страница 6: ...andby mode Green On Orange flashing Preparing operation in standby mode Orange Projection lamp is reaching the end of its life and needs to be replaced with a new lamp Red flashing There is a problem...

Страница 7: ...NO Ch 6 Main Channel Display Displays current channel number Channel Label If a channel label has been set then it will appear here PIP Display This display appears when PIP is active Volume Volume le...

Страница 8: ...ont Panel Controls power menu enter vol ch Power On Off Menu Enter Same as ENTER button on your remote control VOLUME UP DOWN CHANNEL UP DOWN Operation indicator Lamp indicator Temperature indicator 1...

Страница 9: ...on screen menus and to adjust the system settings and preferences by moving to an option withF G and selecting the highlighted option with If is pressed while you are in normal viewing the information...

Страница 10: ...hen in the menu system and other on screen dis plays selects high lighted options RECORD PAUSE REW FFWD PLAY STOP Control the functions on your VCR VOLUME UP DOWN Increases decreases the sound level M...

Страница 11: ...ERVA 088 MITSUBISHI 004 006 024 028 040 042 109 116 124 146 MTC 004 006 062 101 NAD 015 025 NEC 006 007 016 Brand Codes 019 024 040 056 130 132 134 NIKEI 043 ONKING 043 ONWA 043 OPTONICA 019 081 PANAS...

Страница 12: ...013 020 MITSUBISHI 013 020 045 046 049 051 059 061 151 MTC 034 040 MULTITECH 024 034 NEC 012 023 039 043 048 NORDMENDE 043 OPTONICA 053 054 PANASONIC 066 070 074 083 133 140 145 PENTAX 013 020 031 03...

Страница 13: ...0 PACE SKY SATELLITE 143 PANASONIC 060 142 PANSAT 121 Brand Codes PERSONAL CABLE 117 PHILIPS 071 PICO 105 PRESIDENT 019 102 PRIMESTAR 030 110 111 PROSAT 072 RCA 066 106 REALISTIC 043 074 SAMSUNG 123 S...

Страница 14: ...64 079 MEMOREX 001 MOVIE TIME 028 032 NSC 015 028 038 071 073 OAK 016 031 037 053 PANASONIC 044 047 PARAGON 001 PHILIPS 006 012 013 020 065 085 090 PIONEER 034 051 052 063 076 POST NEWS WEEK 016 PRUCE...

Страница 15: ...her with a prism 1st Illumination Lens PBS Array 2nd Fly eye Lens 1st Fly eye Lens Lamp Mirror 4 Blue Reflection Mirror 3 Dichroic Blue Transmission Blue C Lens 1 LCD Red Dichroic Red Lens DRL 60 Mirr...

Страница 16: ...ue light to pass through and reflects others P Unpolarized Light S Polarizer S Polarizer S Polarizer S Polarizer 50 50 50 50 100 100 S S S S Unpolarized Light P Rotator PBS Polarizing Beam Splitter Im...

Страница 17: ...s of two Dichroic Mirrors One reflects red light forward and the other reflects blue light forward Both allow green light to pass through Once the light is joined it is projected onto the viewing scre...

Страница 18: ...e types of liquid crystals used in LCDs are called Twisted Nematics As the name implies they are twisted By applying an electrical current to them they will untwist TFT Element Pixel Electrode Transpa...

Страница 19: ...roves the viewing angle PEAK BRIGHTNESS Peak brightness is the maximum amount of brightness that a display can produce It is often measured in candella per square meter cd m2 The D60WLCD is rated at 6...

Страница 20: ...C MIX circuit Slave address can be changed 90H 92H Audio muting from external pin High impedance maintained by I 2 C bus lines SDA SCL even when power is OFF Wide audio dynamic range 3 Vrms typ 3 Desc...

Страница 21: ...D52WLCD 21 CIRCUITS CIRCUIT DESCRIPTIONS 4 Block Diagram...

Страница 22: ...s register by a ternary or binary value Next the HV sync signal processing block is described below Existence distinction is first performed to determine whether the selected sync signals are input fr...

Страница 23: ...fV 32ns Note that a 4MHz external clock can be input to EXTCLK XTAL Pin 20 via a capacitor by setting CLK_SEL I2C bus A dummy sync can be output by setting SELDUM I2C bus Select the dummy sync freque...

Страница 24: ...D52WLCD 24 CIRCUITS CIRCUIT DESCRIPTIONS 4 Block Diagram...

Страница 25: ...ne by an A D converter An analog automatic gain circuit AGC allows a wide range of input levels The high pass filters formed by the coupling capacitors at pins ANA_IN1 and ANA_IN2 2 Demodulator Standa...

Страница 26: ...D52WLCD 26 CIRCUITS CIRCUIT DESCRIPTIONS 3 Block Diagram Fig Signal flow block diagram of the MSP 3440G input and output names correspond to pin names...

Страница 27: ...pan scan letterbox squeeze 4 3 display Brightness correction around corner for PJTV Miscellany internal color space conversion x3 3xDAC various pattern generation Applications DTV ready high end anal...

Страница 28: ...16 CPU STB2 YPbPr A D Display PLL NTSC decoder Grap Proc Grap Proc CSC LUT CSC LUT Host I F Host I F CSC CSC M UX Sync Generator Sync Generator 4 MB or 8MB SDRAM RGB or YIQ or YUV or YCbCr 24 Input B...

Страница 29: ...n 60 70 75 Hz etc Time base correction with frames for non standard signal ex VCR Color space conversion VGA RGB YCbCr NTSC PAL YUV YIQ YCbCr YDbDr YCbCr STB YCbCr YCbCr Chrominance Format Conversion...

Страница 30: ...D52WLCD 30 DIAGRAMS BLOCK DIAGRAMS BLOCK DIAGRAMS...

Страница 31: ...D52WLCD 31 DIAGRAMS BLOCK DIAGRAMS...

Страница 32: ...D52WLCD 32 DIAGRAMS BLOCK DIAGRAMS...

Страница 33: ...D52WLCD 33 DIAGRAMS BLOCK DIAGRAMS...

Страница 34: ...remove the lamp case 6 Insert the new lamp gently into the correct posi tion Make sure it is inserted correctly 7 Tighten the two retaing screws on the lamp case 8 Replace the lamp cover and tighten...

Страница 35: ...t slightly using a paint scraper or large screw driver Care should be taken not to damage any of the decorative pieces Then grip and pull forward A substantial amount for force is needed to remove thi...

Страница 36: ...the cover on 10 Once the screws have been removed move the cover slightly forward and then up 12 Remove the metal support bracket that is mounted around the lens 13 Remove the screws along the sides a...

Страница 37: ...that will provide access to the Optics Engine 7 Before removing the optics engine use hot glue below the control knobs to lock them in place This will help prevent the keystone and tilt settings from...

Страница 38: ...nge ten by ten when changing data with Volume key You can select 1 by press number key 1 10 by press 12 100 by press 123 And you can change data by 1 10 100 3 10 H_position 315 315 315 Actual adjustin...

Страница 39: ...ed Test Equipments 1 Six angles wrench and spanner for knob adjustment or fix ation 2 XGA output PC 3 Remote Control 2 Preparation for Adjustment 1 Do not assemble the front pannel equipment so that y...

Страница 40: ...16 Gray 2 Press the ADJ key on R C for adjustment to select 4 AD9883A 5 Red Offset and 7 Blue Offset are adjustable 3 Adjust 5 Red Offset 7 Blue Offset value while watching the screen and then make ma...

Страница 41: ...ther Screen Gamma and W B is right about each Gray or whether there is Gamma noise If there s any problem adjust in 5 7 After finishing adjustment exit adjustment mode by using IN START button on SVC...

Страница 42: ...adjusting 4 coefficient 22 GL3L Lower 9bit of MAX brightness correction coeffi cient in G MID1 Change according to GMID1 and GMAX value use it while adjusting 4 coefficient 23 BL1H Upper 9bit of MID2...

Страница 43: ...f center 4 Output the VDP TEST PATTERN signal correspond to the MIN value Read the white coordinate and communicate with ET7050 IC through measurement equipment of optics Adjust screen coordinates dat...

Страница 44: ...D52WLCD 44 EXPLODED VIEW EXPLODED VIEW 430 630 410 420 120 660 670 121 300 310 680 640 650 303 304 302 301 305 306 307 123 620 610 580 600 124 125 503 501 122 174 520 540 530 550 560 502 EXPLODED VIEW...

Страница 45: ...RN 52SZ10H 501 3210V00127A FRAME RN 52SZ10H CHASSIS DIGITAL 502 3210V00073B FRAME RU 60SZ10 CHASSIS SMPS AB 00EA 503 4811V00021B BRACKET ASSEMBLY A V RU 52SZ10 NB02QB BOARD 520 6871VMMB13D PCB ASSEMB...

Страница 46: ...C LOCA NO PART NO DESCRIPTION IC01 IC02 IC1 IC1001 IC1002 IC1003 IC101 IC102 IC103 IC104 IC105 IC1100 IC1101 IC1102 IC1103 IC1104 IC1105 IC1106 IC1107 IC120 IC1200 IC1200 IC1202 IC1202 IC1203 IC1300 I...

Страница 47: ...EC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SA1504S ASY KEC CHIP 2SC3875S ALY KEC LOCA NO PART NO DESCRIPTION Q1210 Q1213 Q1214 Q1215 Q1216 Q1217 Q1218 Q1219 Q1601 Q2 Q201 Q202 Q203 Q204 Q205...

Страница 48: ...ERS MTZJ6 2B MBRS190T3 TP MOTOROLA 90V 1A 50A 10NSEC ZENERS MTZJ6 2B ZENERS MTZJ6 2B LOCA NO PART NO DESCRIPTION ZD601 ZD602 ZD841 ZD851 ZD9 C01 C07 C1 C10 C1007 C1008 C1009 C101 C1010 C1011 C1012 C10...

Страница 49: ...SMD SMD 10UF MV 16V 20 R TP SMD SMD 10UF MV 16V 20 R TP SMD SMD 10UF MV 16V 20 R TP SMD SMD LOCA NO PART NO DESCRIPTION C1210 C1216 C1217 C1218 C1226 C1234 C1237 C124 C124 C125 C1250 C1251 C1252 C126...

Страница 50: ...0 R TP SMD SMD 10UF MVG 16V 20 R TP SMD SMD 10UF MVG 16V 20 R TP SMD SMD 10UF MVG 16V 20 R TP SMD SMD LOCA NO PART NO DESCRIPTION C190 C191 C192 C193 C194 C195 C198 C2 C20 C200 C201 C202 C203 C204 C20...

Страница 51: ...5V 10UF MV 16V 20 R TP SMD SMD 100UF MV 16V 20 R TP SMD SMD 100UF MV 16V 20 R TP SMD SMD 10UF MV 16V 20 R TP SMD SMD 47UF MV 16V 20 R TP SMD SMD 10UF MV 16V 20 R TP SMD SMD 47UF MV 16V 20 R TP SMD SMD...

Страница 52: ...1104 AR1105 AR1200 AR1201 AR1202 AR1203 AR1204 AR1205 AR1206 AR1207 AR1208 AR1209 AR1210 AR1211 AR1212 AR1213 AR1214 AR1215 AR1216 AR1217 AR301 AR302 AR303 AR304 AR305 AR306 D812 R1 R1253 R1606 R1609...

Страница 53: ...R852 R853 R854 R855 R857 R871 SW01 SW02 SW03 SW04 SW05 SW06 SW07 SW2 FB819 FB820 FB821 FB822 FB861 FB871 FB872 L1001 L1002 L1003 L1004 L1005 L1006 L801 L802 L803 L804 T1001 T1002 T1003 T1004 T1102 T11...

Страница 54: ...MI STC222D NIIGATA 50VOLT 4A 2200 FILTER EMC EMI BMS400 25V 200MA FILTER EMC EMI BMS400 25V 200MA FILTER EMC EMI BMS400 25V 200MA FILTER EMC EMI BMS400 25V 200MA FILTER EMC EMI BMS400 25V 200MA FILTER...

Страница 55: ......

Страница 56: ......

Страница 57: ...HE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 53 SHE...

Страница 58: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 54...

Страница 59: ...HE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 55 SHE...

Страница 60: ...ETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 56 SHEET 5...

Страница 61: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 57...

Страница 62: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 58...

Страница 63: ...E LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 59 SHEE...

Страница 64: ...HE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 60 SHE...

Страница 65: ...HE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 61 SHE...

Страница 66: ...THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 62 S...

Страница 67: ...THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 63 SH...

Страница 68: ...THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 64 SH...

Страница 69: ...Y THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 65...

Страница 70: ...Y THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 66...

Страница 71: ...TAL TOP 3D DCF TOP 3D DCF BOTTOM TUNER TOP TUNER BOTTOM SMPS INTER BALLAST SIDE A V PRE AMP INTER LCD PJTV COMPONENT TOP POWER SMPS CONTROL TOP LED TOP LED BOTTOM CONTROL BOTTOM DRIVER TOP DRIVER BOTT...

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