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SVC REMOCON

1

POWER

2

POWER ON

3

MUTE

4

P-CHECK

5

S-CHECK

6

ARC

7

CAPTION

8

TXT

9

TV/AV

10

TURBO SOUND

11

TURBO PICTURE

12

IN-START

13

ADJ

14

MPX

15

EXIT

16

APC(PSM)

17

ASC(SSM)

18

MULTIMIDIA

19

FRONT-AV

20

CH

21

VOL

22

ENTER

23

PIP CH-(OP1)

24

PIP CH+(OP2)

25

PIP SWAP(OP3)

26

PIP INPUT(OP4)

27

EYE

28

MENU

29

IN-STOP

30

STILL

31

TIME

32

SIZE

33

MULTI PIP

34

POSITION

35

MODE

36

PIP

37

TILT

38

0~9

To turn the TV on or off
To turn the TV on automatically if the power is supplied to the TV. (Use the
POWER key to deactivate): It should be deactivated when delivered.
To activate the mute function.
To check TV screen image easily.
To check TV screen sound easily
To select size of the main screen (Normal, Spectacle, Wide or Zoom)
Switch to closed caption broadcasting
To toggle on/off the teletext mode
To select an external input for the TV screen
To start turbo sound
To start turbo picture
To enter adjustment mode when manufacturing the TV sets.
To adjust the screen voltage (automatic): 
In-start 

mute 

Adjust 

AV(Enter into W/B adjustment mode)

W/B adjustment (automatic):
After adjusting the screen   W/B adjustment   Exit two times (Adjustment completed)
To enter into the adjustment mode. To adjust horizontal line and sub-brightness.
To select the multiple sound mode (Mono, Stereo or Foreign language)
To release the adjustment mode
To easily adjust the screen according to surrounding brightness
To easily adjust sound according to the program type
To check component input
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 and sub screens
To use as a yellow key in the teletext mode
To select the input status in the PIP screen
To use as a blue key in the teletext mode
To set a function that will automatically adjust screen status to match
the surrounding brightness so natural color can be displayed.
To select the functions such as video, voice, function or channel.
To set the delivery condition status after manufacturing the TV set.
To halt the main screen in the normal mode, or the sub screen at the PIP screen.
Used as a hold key in the teletext mode (Page updating is stopped.)
Displays the teletext time in the normal mode
Enables to select the sub code in the teletext mode
Used as the size key in the PIP screen in the normal mode
Used as the size key in the teletext mode
Used as the index key in the teletext mode (Top index will be
displayed if it is the top text.)
To select the position of the PIP screen in the normal mode
Used as the update key in the teletext mode (Text will be
displayed if the current page is updated.)
Used as Mode in the teletext mode
To select the simultaneous screen
To adjust screen tilt
To manually select the channel.

Shortcut keys

Shortcut keys

Shortcut keys

Use the AV
key to enter
the screen
W/B
adjustment
mode.

Shortcut keys

Shortcut keys

Shortcut keys

Содержание RZ-20LA66

Страница 1: ...G THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 041B MODEL RZ 20LA66 RZ 20LA66 Rev A website http biz LGservice com e mail http www LGEservice com techsup html ID LABEL Model No Same looking with new chassis Issue Date 2004 08 ...

Страница 2: ...NTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 TROUBLE SHOOTING 12 BLOCK DIAGRAM 17 WIRING DIAGRAM 19 EXPLODED VIEW 20 EXPLODED VIEW PARTS LIST 21 REPLACEMENT PARTS LIST 22 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: ...vely 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 ground...

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: ...rical 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 LPL TFT Color LCD Module 20 1 inches 380 16mm diagonal Aspect 4 3 0 6375mm H x0 6375mm V xRGB LVDS 8BIT 16 777 216 colors 450 H x 348 7 V x20 D Glare Hard Coating 3...

Страница 7: ...T 1 1 NO NO BG DK BG I LL BG DK BG I LL X X O X O X X X X O O X X Item Specification Remark No Top option PAL NTSC Rear Rear Rear option NT Rear option EU Rear 5 Optical Character Item Remark Specification Viewing Angle CR 10 Luminance Contrast Ratio CIE Color Coordinates Typical MAX MIN ALL white All black R L U D Luminance cd Variation LPL 85 85 85 85 400 1 3 400 0 289 0 335 0 692 0 335 0 289 0 ...

Страница 8: ... 13 H Sync 15 SCL 1 Contrast Brightness 2 H Position V Position 3 Tracking Clock Phase 4 Auto Configure RESET 1 Y 3 Pb 5 Pr 1 Y GND 2 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 2 Y GND 4 Pb GND 6 Pr GND 8 LINE1 10 Line2 Ready 12 SWITCH GND 14 SWITCH Remark 10 Digital GND Middle east NTSC Area JAPAN Only Video Act...

Страница 9: ...t Distortion Audio 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 ...

Страница 10: ... manually 2 2 Auto Gain Offset adjustment 2 2 1 RF Mode adjustment 2 2 1 1 Adjustment preparation Conduct Heat Run at the RF fog signals for more than 30 minutes 2 2 1 2 Auto Gain Offset adjustment Press IN START Key to convert to the adjustment mode using the adjustment SVC remote controller and press VOL Key at the Auto Gain menu Once the adjustment is completed press the Enter Key to save and f...

Страница 11: ...k 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 and sub scr...

Страница 12: ...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 13: ...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 14: ...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 15: ...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 16: ...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 17: ...IC851 LA7222 IC2 TC90A65F IC500 14066 IC202 D SUB AT24C16 IC4 DIGITAL SIGNAL SOUND INPUT IF INPUT ANALOG SIGNAL SOUND OUTPUT ML 041B Block Diagram POWER IF PC SIDE_AV L R SIDE_L R PC L R L R AUDIO S A W Z1000 SCART V L R S VHS H P V SCART R G B SIDE V Y P b P r RGB OUT TTL 1 OUT TTL 2 OUT LVDS 1 O UT PC RGB COMPONENT ...

Страница 18: ...ent 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...

Страница 19: ...ONLY 6P_2 0MM H B 600MM 3P_2 5MM H B 220MM 1 20P LVDS 200MM 2 41P TTL 3 50P TTL 145MM 4P_2 5MM SHIELD RECEPTERCLE GND 2PIN 4PIN 500MM 750MM 1 4 5 3 2 6 7 WIRING DIAGRAM No Part No 1 2 3 4 5 6 7 Wiring Part List 6631T25019Y 6631T11017P 6631T20028G 6631T20033G 6631T25021A 6620K00007C 6631T11017R ...

Страница 20: ... 20 EXPLODED VIEW 1 5 5 8 9 11 12 14 13 17 16 15 10 6 7 2 3 4 ...

Страница 21: ...PWB PCB ASSEMBLY SUB RM 15LA66 SUB TOTAL BRAND CONTROL BOARD 7 6871TST679A PWB PCB ASSEMBLY SUB RZ 20LA66_CMO SUB TOTAL BRAND IR B D ML 041B 8 4950TKS279C METAL FRAME SBHG1 A 1 2T FOR CMO_TN MODULE 4950TKS279F METAL FRAME FOR CMO MODULE CKD 9 3313TP2029A MAIN TOTAL ASSEMBLY RZ 20LA70 CMO BRAND ML 041B 10 6871TPT280A PWB PCB ASSEMBLY POWER RM 20LA77 POWER TOTAL LIEN CHANG LIPS FOR CMO AUO 11 4951TK...

Страница 22: ...ATION 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 100000PF 50V Z F 2012 R T...

Страница 23: ...K41A 220PF 1608 50V 5 R TP NP0 C57 0CC221CK41A 220PF 1608 50V 5 R TP NP0 C58 0CC221CK41A 220PF 1608 50V 5 R TP NP0 C74 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C83 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 DATE 2004 08 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C85 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C86 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C88 0CC390CK41A 39PF 1608 50V 5 R TP NP0 C889 0CC33...

Страница 24: ...4S ASY BK KEC Q14 0TR150400BA CHIP 2SA1504S ASY BK KEC Q15 0TR387500AA CHIP 2SC3875S ALY BK KEC Q2 0TR387500AA CHIP 2SC3875S ALY BK KEC Q3 0TR150400BA CHIP 2SA1504S ASY BK KEC DATE 2004 08 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION IC902 0TFVI80005A VISHAY SI4963DY R TP SO 8 2 IC1104 0TFVI80005A VISHAY SI4963DY R TP SO 8 2 R1004 0RH3000D622 300 1 10W 5 D R TP R1010 0RH7501D622 7 5K 1 10W 5 D...

Страница 25: ...66 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R68 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R69 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R70 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R72 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 08 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R73 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R74 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R75 0RJ1000D677 100 OHM 1 10 W 5 1608 ...

Страница 26: ...217 0RH4703D622 470K 1 10W 5 D R TP R1218 0RH5101D622 5 1K 1 10W 5 D R TP R1219 0RH5101D622 5 1K 1 10W 5 D R TP DATE 2004 08 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1220 0RH4703D622 470K 1 10W 5 D R TP R1224 0RJ1000H680 100 OHM 1 2 W 5 5025 R TP R1225 0RJ1000H680 100 OHM 1 2 W 5 5025 R TP R1230 0RH0752D622 75 1 10W 5 D R TP R1231 0RH0752D622 75 1 10W 5 D R TP R1232 0RH5101D622 5 1K 1 10W...

Страница 27: ...Date 2004 05 07 P No 3854TN1001A ...

Страница 28: ...Date 2004 05 07 P No 3854TN1001A ...

Страница 29: ...Aug 2004 Printed in Korea P NO 3828TSL104N ...

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