LG RT-20LZ50 Скачать руководство пользователя страница 25 | Manualshive

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SPEAKER

SPEAKER

LOCAL KEY

IR_LED

1

4

5

3

2

8

6

7

WIRING DIAGRAM

No. Part No.

1

2

3

4

5

6

7

8

RZ-20LZ50

6631T25019Y

6631T11017P-

CMO

6631T11021A-

LPL

6631T11017Q-

AUO

6631T20028G

6631T20029X

6631T25021C

6631T11017R

6631T25019J

6620K00007C

No. Part No.

1

2

3

4

5

6

7

8

RT-20LZ50

6631T25019Y

6631T11017P

-CMO

6631T11021A

-LPL

6631T20028G

6631T20029X

6631T25021C

6631T11017R

6631T25019J

6620K00007C

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Содержание RT-20LZ50

Страница 1: ...ERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 041B MODEL RZ 20LZ50 RT 20LZ50 website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ...NTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 SVC REMOCON 12 HOTEL MODE 13 TROUBLE SHOOTING 16 BLOCK DIAGRAM 21 WIRING DIAGRAM 25 EXPLODED VIEW 26 REPLACEMENT PARTS LIST 29 SVC SHEET ...

Страница 3: ...et such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead i...

Страница 4: ...y obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded ...

Страница 5: ...not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit boa...

Страница 6: ...rea Pixel Pitch mm Electrical Interface Color Depth Size mm Surface Treatment Operating Mode Back light Unit R T Typ Maker Type ActiveDisplay Area Pixel Pitch mm Electrical Interface Color Depth Size mm Surface Treatment Operating Mode Back light Unit R T Typ CMO TFT Color LCD Module 20 1 inches 510 00mm diagonal 0 2125mm H x0 6375mm V TTL 8BIT 16 777 216 colors 448 6 H x 339 6 V x 25 D Anti Glare...

Страница 7: ...I LL BG DK BG I LL X X X X O X X X X X X X X Item Specification Remark No option Non EU EU PAL NTSC Rear Rear Rear option NT Non EU Rear option EU Only Commercial Model Only Commercial Model 5 Optical Character Item Remark Specification Viewing Angle CR 10 Luminance Contrast Ratio CIE Color Coordinates Typical MAX MIN ALL white All back R L U D Luminance cd Variation LPL 88 88 88 88 450 1 3 350 0 ...

Страница 8: ... Off Spectification 1 RED 3 Blue 5 S T GND 7 Green GND 9 N C 11 ID0 GND 13 H Sync 15 SCL 1 Contrast Brightness 2 H Position V Position 3 Tracking Clock Phase 4 Auto Configure RESET 1 Y 2 Pb 3 Pr 1 Y 3 Pb 5 Pr 7 Line1 Ready 9 LINE2 11 LINE3 13 Line3 Ready 2 Green 4 ID2 GND 6 RED GND 8 Blue GND 10 D GND 12 SDA 14 V Sync Shell GND Remark For SVC Only Middle east NTSC Area JAPAN Only Video Active Off ...

Страница 9: ...Input Dynamic Range Video Output Level Video Output Frequency Response Video Output S N Audio Output Level Audio Output Frequency Response Audio Output S N Audio Output Distortion Video Input Level R G B Video Input Level Component Y PB PR RGB Input Resolution Vertical RGB Input Resolution Horizontal RGB Input Horizontal Frequency RGB Input Frame Rate 0 85 0 4 0 1 40 2 0 85 3 8 40 0 4 0 1 40 0 6 0...

Страница 10: ...3 2 1 2 Auto Gain Offset adjustment Press IN START Key by using the Remote Controller SVC after converting to Adjustment Mode Press VOL Key consecutively in Scaler Auto gain menu In case of RM Model press INSTART key two times After adjustment is complete pressing enter key stores and completes the process 3 2 2 Component Mode Adjustment Model Only RT RM Model which is possible to input Component ...

Страница 11: ... Option 1 Option 2 NO ITEM CONDITION REMARK 1 2 3 4 Language Txt Lang Inch opt Panel 1 0 1 0 0 ENGLISH ONLY 1 English German Frenc h I t a l i a n S p a n i s h Dutch Swedish Norwegia n Danish Finnish Portug uese Rumanian Polish H ungarian Czech Russian 2 English German Frenc h I t a l i a n S p a n i s h Dutch Swedish Norwegia n Danish Finnish Portug uese Rumanian Polish H ungarian Czech Russian ...

Страница 12: ...put To check the front AV To move channel up down or to select a function displayed on the screen To adjust the volume or accurately control a specific function To set a specific function or complete setting To move the channel down in the PIP screen To use as a red key in the teletext mode To move the channel in the PIP screen To use as a green key in the teletext mode To switch between the main ...

Страница 13: ... present source is TV When Channel Change is set to No Change Impossible Channel Key Numeral Key List Key Q View Key doesn t work and entering Channel Menu in the Main Menu OSD is impossible When Channel Change is set to Yes Change Possible Channel Key Numeral Key List Key Q View Key does work and entering Channel Menu in the Main Menu OSD is possible When Channel Change is set to No Change Imposs...

Страница 14: ...Fixed Volume is set to Yes Max Volume item cannot be selected When Max Volume is set volume just goes up to the Max Volume value in On Time Menu 1 6 OSD Display Decide to display OSD or not by setting OSD Display as Yes Mark or No No Mark When OSD Display is set to No No Mark just Channel OSD and STEREO OSD doesn t display 1 7 Remocon Remote Control Operation Decide to operate Remote Control or no...

Страница 15: ...rn off TV by Auto Off function of Time Menu This item decide to turn on TV by Auto Off Operation regardless of Auto off function of Time Menu or not by setting as Yes Work or No Do Not Work When Auto Off Operation is set to Yes Work Auto Off Operation work as configuration When Auto Off Operation is set to No Do Not Work Auto Off Operation Do Not work regardless of configuration 1 12 Hotel Mode Op...

Страница 16: ...ck short of main B D or Change Lips Change IC1107 IC1104 Change LED Assy Check 15V or 5V of Lips Check Output of IC1107 IC104 Check LED Assy Check P1100 P210 Connector Fail Fail Change Q1100 Check Output of Q1100 Fail Pass Fail Pass Pass Pass A Process ...

Страница 17: ...Check inverter Connector or inverter Check input source cable and jack Repeat A PROCESS Fail Change L900 L901 L902 L903 Fail Change IC901 Fail Change inverter connector or inverter Fail Change panel link cable or module Fail Change module Fail Check panel link Cable or module Pass Pass Pass Pass B Process ...

Страница 18: ...ss Check the input output of IC1 Check the input output of IC901 Check input source cable and jack Fail Re soldering or Change the defect part Check X11 Fail Re soldering or Change the defect part Check X900 Fail Pass Pass Pass Check the input output of IC800 IC851 Re soldering or Change the defect part Fail Pass ...

Страница 19: ...the input output of IC1 Check the input output of IC800 IC851 Check input source cable and jack Fail Fail Fail Fail Re soldering or Change the defect part Chek X11 Fail Re soldering or Change the defect part Check 5V 33V of TU1000 Re soldering or Change the defect part Pass Pass Pass Check the input output of IC901 Fail Re soldering or Change the defect part Check X900 Pass Pass ...

Страница 20: ...ut Check the input source Fail Pass Re soldering or Change the defect part Check X11 Check the input output of IC1 Fail Pass Re soldering or Change the defect part Check the input output of IC100 IC101 Fail Pass Change speaker Check the speaker Fail Pass ...

Страница 21: ...2 D SUB JA200 POWER AT24C16 IC4 IF SIDE_A V S A W Z1000 H P VIDEO_V PC INPUT FOR SEVICE I SP SCART SIDE L R 1 15 V 2 15V 3 GND 4 GND 5 5V 6 5V 7 GND 8 33V 9 CTL 10 EXT 11 BR VIDEO1_L R SIDE_V V L R To AV_JACK B D VIDEO_V YC POWER B D PC AUDIO JA201 M52758FP IC851 VCTi_RGB From JA200 PC_RGB V Y C Tuner TU1000 PC_RGB TTL 1 OUT TTL 2 OUT LVDS 1 OUT AV JACK B D From AMP PC_AUDIO SPEAKER IF SCART RGB R...

Страница 22: ...t to the LCD module as a TTL output VCTi is the main microprocessor that handles video signal processing and sound signal processing It also manages the RF signals received from the tuner The scaler can control timing to fit into the LCD panel and can also control the size and position of the input signal 2 Power Supply Unit The power supply unit provides 15V and 5V DC power to the mainboard The P...

Страница 23: ...LTER 14066 IC202 D SUB JA200 POWER AT24C16 IC4 IF SIDE_AV S A W Z1000 H P VIDEO1_V P b P r PC INPUT FOR SEVICE ISP Y COMPONENT SIDE L R 1 15V 2 15V 3 GND 4 GND 5 5V 6 5V 7 GND 8 33V 9 CTL 10 EXT 11 BR Componen t Y Pb Pr VIDEO1_L R SIDE_V V L R To AV_JA CK B D VIDEO1_V YC POWER B D PC AUDIO JA201 M52758FP IC851 VCTi_RGB From JA200 PC_RGB V Y C Tuner TU1000 PC_RGB TTL 1 OUT TTL 2 OUT LVDS 1 OUT AV J...

Страница 24: ...s sent to the LCD module as a TTL output VCTi is the main microprocessor that handles video signal processing and sound signal processing It also manages the RF signals received from the tuner The scaler can control timing to fit into the LCD panel and can also control the size and position of the input signal 2 Power Supply Unit The power supply unit provides 15V and 5V DC power to the mainboard ...

Страница 25: ... RZ 20LZ50 6631T25019Y 6631T11017P CMO 6631T11021A LPL 6631T11017Q AUO 6631T20028G 6631T20029X 6631T25021C 6631T11017R 6631T25019J 6620K00007C No Part No 1 2 3 4 5 6 7 8 RT 20LZ50 6631T25019Y 6631T11017P CMO 6631T11021A LPL 6631T20028G 6631T20029X 6631T25021C 6631T11017R 6631T25019J 6620K00007C ...

Страница 26: ... 26 EXPLODED VIEW 010 060 020 050 050 080 090 070 110 100 120 030 130 040 042 041 140 ...

Страница 27: ...LY SUB RX 20LZ50 SUB TOTAL BRAND IR DUAL LED ASSY 4951TKS183B METAL ASSEMBLY FRAME RZ 20LA80 90 CMO 4951TKS175H METAL ASSEMBLY FRAME METAL ASSY 20LZ50 LPL 4951TKS183C METAL ASSEMBLY FRAME RZ 20LA80 90 AUO CKD 4951TKS183D METAL ASSEMBLY FRAME RZ 20LA80 90 CMO CKD 4951TKS175J METAL ASSEMBLY FRAME METAL ASSY 20LZ50 LPL CKD 6871TPT280A PWB PCB ASSEMBLY POWER RM 20LA77 POWER TOTAL LIEN CHANG LIPS FOR C...

Страница 28: ...871TST719B PWB PCB ASSEMBLY SUB RX 20LZ50 SUB TOTAL BRAND IR DUAL LED ASSY 4951TKS183D METAL ASSEMBLY FRAME RZ 20LA80 90 CMO CKD 4951TKS175J METAL ASSEMBLY FRAME METAL ASSY 20LZ50 LPL CKD 6871TPT280A PWB PCB ASSEMBLY POWER RM 20LA77 POWER TOTAL LIEN CHANG LIPS FOR CMO AUO 6871TPT280B PWB PCB ASSEMBLY POWER RM 20LA77 POWER TOTAL LIEN CHANG LIPS FOR LPL 3313TP2026A MAIN TOTAL ASSEMBLY RT 20LA70 CMO ...

Страница 29: ...0000PF 50V Z F 2012 R TP C926 0CH3104K946 100000PF 50V Z F 2012 R TP C927 0CH3104K946 100000PF 50V Z F 2012 R TP C928 0CH3104K946 100000PF 50V Z F 2012 R TP C929 0CH3104K946 100000PF 50V Z F 2012 R TP C930 0CH3104K946 100000PF 50V Z F 2012 R TP C934 0CH3104K946 100000PF 50V Z F 2012 R TP C935 0CH3104K946 100000PF 50V Z F 2012 R TP C936 0CH3104K946 100000PF 50V Z F 2012 R TP C937 0CH3104K946 100000...

Страница 30: ...1 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C922 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C961 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C121 0CC100CK41A 10PF 1608 50V 5 R TP NP0 DATE 2004 11 12 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C122 0CC100CK41A 10PF 1608 50V 5 R TP NP0 C43 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C47 0CC220CK41A 22PF 1608 50V 5 R TP NP0 C48 0CC220CK41A 22PF 1608 50V 5 R TP NP0 ...

Страница 31: ...01G HH 1M3216 501 CERATEC 3216MM L10 0LC1032101A 10UH 10 3216 R TC FI C3216 L1001 0LC1020101A 1UH 10 2012 R TC FI B2012 1 L1002 0LC1032101A 10UH 10 3216 R TC FI C3216 L15 0LC1032101A 10UH 10 3216 R TC FI C3216 L2 0LC1032101A 10UH 10 3216 R TC FI C3216 L8 0LC1032101A 10UH 10 3216 R TC FI C3216 DATE 2004 11 12 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L888 0LC0233002A 3 3UH CERATECH R TP L889 0L...

Страница 32: ...8 R TP R227 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R229 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 11 12 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R23 0RJ2701D677 2 7K OHM 1 10 W 5 1608 R TP R24 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R240 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R25 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R28 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R29 0RJ0000D677 0 OHM 1 10 W...

Страница 33: ...50V J NP0 2012 R TP L1200 0LC1020101A 1UH 10 2012 R TC FI B2012 1 L1202 6210TCE001A HB 1S2012 080JT CERATEC 2012 L1203 6210TCE001A HB 1S2012 080JT CERATEC 2012 L1206 6210TCE001A HB 1S2012 080JT CERATEC 2012 L1207 6210TCE001A HB 1S2012 080JT CERATEC 2012 L1208 6210TCE001A HB 1S2012 080JT CERATEC 2012 L1211 6210TCE001A HB 1S2012 080JT CERATEC 2012 L1212 0LC0233002A 3 3UH CERATECH R TP L1213 6210TCE0...

Страница 34: ...009CF UDZ 12B TP ROHM K SOD323 200 C2101 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP L2101 6210TCE001A HB 1S2012 080JT CERATEC 2012 Q2101 0TR387500AA CHIP 2SC3875S ALY BK KEC Q2102 0TR387500AA CHIP 2SC3875S ALY BK KEC Q2103 0TR387500AA CHIP 2SC3875S ALY BK KEC R2101 0RH1001D622 1K OHM 1 10 W 2012 5 00 D R2102 0RH1000D622 100 1 10W 5 D R TP R2103 0RH5600D622 560 1 10W 5 D R TP R2104 0RH1000D622 100 1 10...

Страница 35: ...6 100000PF 50V Z F 2012 R TP C930 0CH3104K946 100000PF 50V Z F 2012 R TP C934 0CH3104K946 100000PF 50V Z F 2012 R TP C935 0CH3104K946 100000PF 50V Z F 2012 R TP C936 0CH3104K946 100000PF 50V Z F 2012 R TP C937 0CH3104K946 100000PF 50V Z F 2012 R TP C938 0CH3104K946 100000PF 50V Z F 2012 R TP C939 0CH3104K946 100000PF 50V Z F 2012 R TP C940 0CH3104K946 100000PF 50V Z F 2012 R TP C943 0CH3104K946 10...

Страница 36: ...6A 0 1UF 1608 50V 10 R TP X7R C922 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C955 0CH5390K416 39PF 50V 5 NP0 2012 R TP C961 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C121 0CC100CK41A 10PF 1608 50V 5 R TP NP0 DATE 2004 11 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C122 0CC100CK41A 10PF 1608 50V 5 R TP NP0 C43 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C47 0CC220CK41A 22PF 1608 50V 5 R TP NP0 C48 0CC220...

Страница 37: ...02 0LC1032101A 10UH 10 3216 R TC FI C3216 L15 0LC1032101A 10UH 10 3216 R TC FI C3216 L2 0LC1032101A 10UH 10 3216 R TC FI C3216 L8 0LC1032101A 10UH 10 3216 R TC FI C3216 IC1107 0TF492509AA SI4925DY TP TEMIC 30V 6 1A DATE 2004 11 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION IC902 0TF492509AA SI4925DY TP TEMIC 30V 6 1A Q1150 0TR322809AB KTC3228 Y KTC2383 TP KEC TO Q1 0TR387500AA CHIP 2SC3875S ALY...

Страница 38: ... 10 W 5 1608 R TP R50 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R51 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 11 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R52 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R53 0RJ1500D677 150 OHM 1 10 W 5 1608 R TP R54 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R55 0RJ1500D677 150 OHM 1 10 W 5 1608 R TP R56 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R58 0RJ1000D677 100...

Страница 39: ...002A 3 3UH CERATECH R TP L1213 6210TCE001A HB 1S2012 080JT CERATEC 2012 L1214 6210TCE001A HB 1S2012 080JT CERATEC 2012 L1215 6210TCE001A HB 1S2012 080JT CERATEC 2012 R1201 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R1202 0RH0752D622 75 1 10W 5 D R TP R1217 0RH0752D622 75 1 10W 5 D R TP R1218 0RH0752D622 75 1 10W 5 D R TP DATE 2004 11 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1219 0RH0752D622 75 ...

Страница 40: ...Date 2004 05 07 P No 3854TN1001A ...

Страница 41: ...Date 2004 05 07 P No 3854TN1001A ...

Страница 42: ...Nov 2004 Printed in Korea P NO 3828TSL106G ...

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