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Related Manuals for LG RM-17LZ50
Summary of Contents for LG RM-17LZ50
- Page 1 LCD TV SERVICE MANUAL CHASSIS : ML-041B MODEL : RM-17LZ50/RM-17LZ50C CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
CONTENTS CONTENTS ....................2 PRODUCT SAFETY ..................3 SPECIFICATION ..................6 TIMING CHART..................11 ADJUSTMENT INSTRUCTION ...............12 TROUBLE SHOOTING ................16 BLOCK DIAGRAM...................21 WIRING DIAGRAM ..................23 EXPLODED VIEW .................. 24 EXPLODED VIEW PARTS LIST ..............25 REPLACEMENT PARTS LIST ............... 26 SVC. SHEET ....................- 2 -... -
Page 3: Product Safety
SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. - Page 4 SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service unit under test. manual and its supplements and addenda, read and follow the 2. After removing an electrical assembly equipped with ES SAFETY PRECAUTIONS on page 3 of this publication. devices, place the assembly on a conductive surface such as NOTE: If unforeseen circumstances create conflict between the aluminum foil, to prevent electrostatic charge buildup or...
- Page 5 IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through Circuit Board Foil Repair which the IC leads are inserted and then bent flat against the Excessive heat applied to the copper foil of any printed circuit circuit foil. When holes are the slotted type, the following technique board will weaken the adhesive that bonds the foil to the circuit should be used to remove and replace the IC.
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Page 6: Specification
SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range This specification is applied to ML-041B chassis. 2. Requirement for Test Testing for standard of each part must be followed in below condition. (1) Temperature: 25°C ±... - Page 7 4. Feature and Function Item Specification Remark Teletext TTop(option) TOP, FLOF,LIST 10 page REMOCON PAL/ NTSC NEC Code AV Input Rear(option, NT), side(Only 50Tool) S-Vedio Input Rear Component input Rear (option, NT) PERI TV Connector Rear (option,EU) RGB(VGA)Input D-sub 15 pin H/p input PC Sound input RS-232...
- Page 8 6.Engineering Specification 6-1.General Specification(TV) Item Specification Remark Video input applicable system 1)PAL-D/K,B/G,I 2)NTSC-M 3)SECAM NTSC 4.43’ Receivable broadcasting system 1)PAL/SECAM BG EU/Non-EU(RZ/RT) (PAL Market) 2)PAL/SECAM DK 3)PAL I/I 4)SECAM L/L’ 5)NTSC M 6)PAL-N/M 7)NTSC Area(RM) 7)NTSC M RF input channel VHF : E2 ~ E12 UHF : E21 ~ E69 CATV : S1 ~ S20...
- Page 9 Item Specification Remark Power Supply H/V Sync Video Power Consumption LED Color Normal ≤ 65W GREEN On/On Active Stand By Off/On ≤ 1W Suspend Mode ≤ 1W On/Off DPM Off Mode Off/Off ≤ 1W Cut-off Switch off PBP SWAP ▶ ON/OFF ITEM Spectification Remark...
- Page 10 6-3. External Interface Item Unit Remark Video Input Level 0.85 1.15 EN-50049 Audio Input Level NTSC:0.4Vrms(Typ) Audio Input Frequency Response Audio Input S/N Audio Input Distortion Audio Input Dynamic Range Video Output Level 0.85 1.15 Video Output Frequency Response Video Output S/N Audio Output Level Audio Output Frequency Response Audio Output S/N...
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Page 11: Timing Chart
TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Back Porch Total Period Video Active Time Front Porch Sync Duration Sync Mode Resolution Frequency Clock Polarity Sort 31.468 25.175 640x350 –... -
Page 12: Adjustment Instruction
VOL+ Key at the Auto Gain menu. ■ Once the adjustment is completed, press the Enter (RM-17LZ50 press INSTART key two times) Key to save and finish the adjustment. ■ Once the adjustment is completed, press the Enter Key to save and finish the adjustment. - Page 13 *Option(PAL) ITEM CONDITION REMARK ITEM CONDITION REMARK Option 1 Option 3 Side AV No: Side AV Off Language 0: Eng Only Yes: Side AV On 1: English/German/French SCART No: Component input /Italian/Spanish/Dutch/ Yes: SCART input Swedish/Norwegian/Da No: PC Off nish/Finnish/Portugues Yes: PC On e/Rumanian/Polish/Hng SideComp...
- Page 14 EDID ADJUSTMENT Windows EDID V1.0 User Manual 2. EDID Read & Write 1) Run WinEDID.exe Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => Don’t need setup Windows 2000, XP => Need to Port Setup. This program is available to LCD Monitor only. 1.
- Page 15 SVC REMOCON To turn the TV on or off POWER To turn the TV on automatically if the power is supplied to the TV. (Use the POWER ON POWER key to deactivate): It should be deactivated when delivered. To activate the mute function. MUTE To check TV screen image easily.
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Page 16: Troubleshooting
TROUBLESHOOTING No power :[A]Process (LED indicator off) Check short of main B/D Check 15V or 5V or Change Lips Fail of Lips Pass Check Output of Change Q1100 Q1100 Fail Pass Check Output of Change IC1107, IC1104 IC1107, IC104 Fail Pass Change LED Assy Check LED Assy... - Page 17 No Raster :[B]Process Check LED Status Repeat A PROCESS on display unit Fail Check L900,L901 Change L900,L901, L902,L903 L902,L903 Fail Pass Check the input/ Change IC901 Output of IC901 Fail Pass Change inverter Check inverter connector or inverter Connector or inverter Fail Pass Change panel link...
- Page 18 No Raster on Component signal Repeat [A] Process Pass Check the signal of Check JA1200 or L1200, L1202, L1203 RCA CABLE Fail Pass Re-soldering or Check the input/ Change the defect part, Fail output of IC1 Check X11 Re-soldering or Check the input/output Change the defect part Fail...
- Page 19 No Raster on AV Signal No Raster on TV(RF) signal (Video, S-Video) Check 5V, 33V of TU1000 Repeat Check the output of Re-soldering or [A] Process TU1000 Fail Fail Change the defect part Pass Check the signal of Change L1209, L1210, L1209, L1210, L1212 L1212 Fail...
- Page 20 No Sound Check the Change source input input source Fail Pass Re-soldering or Check the input/output Change the defect part of IC1 Fail Check X11 Pass Re-soldering or Check the input/output Change the defect part of IC100,IC101 Fail Pass Check the speaker Change speaker Fail Pass...
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Page 21: Block Diagram
BLOCK DIAGRAM - 21 -... - Page 22 BLOCK DIAGRAM DESCRIPTION 1. Video Controller Unit & Display Data Conversion Unit The video controller unit receives the video signals inputted through the tuner, AV port (AV1, AV2, S-Video, component), and converts them into an analog RGB signal through the microcomputer (VCTI) combined with the video decoder that integrates various functions in one chip.
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Page 23: Wiring Diagram
LOCAL KEY IR_LED - 23 -... -
Page 24: Exploded View
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Page 25: Exploded View Parts List
CABINET ASSEMBLY, RM-17LZ50C BRAND 3090TKC092 ML-041B -RM-17LZ50C 6306V17001B LCD(LIQUID CRYSTAL DISPLAY), LC171W03-A4K4 LG PHILPS TFT COLOR or 6304FLP140A LCD(LIQUID CRYSTAL DISPLAY), LC171W03-A4K7 LG PHILPS TFT COLOR 17.1W,SS D-IC,IMAGE STICKING IMPROVEMENT,450NITS,25MS,6LAMP 3809TKC061L BACK COVER ASSEMBLY, RM-17LZ50 ML-041B USA C/SKD 3809TKC061M BACK COVER ASSEMBLY, RM-17LZ50C NORTH AMERICA COMMERCIAL-RM-17LZ50C... -
Page 26: Replacement Parts List
REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN, CH : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit in the CQ : Polyestor RS : Metal Oxide Film P/No. means as follows; CE : Electrolytic RN : Metal Film CF : Fixed Film RH : CHIP, Metal Glazed(Chip) - Page 27 DATE: 2004. 06.25. DATE: 2004. 06.25. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C117 0CK562CK51A 5600PF 1608 50V 10% R/TP B(Y5 0CC221CK41A 220PF 1608 50V 5% R/TP NP0 C118 0CK104CK56A 0.1UF 1608 50V 10% R/TP X7R 0CC102CK41A...
- Page 28 DATE: 2004. 06.25. DATE: 2004. 06.25. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION D1151 0DZ330009DF MTZJ33B TP ROHM-K DO34 0.5W 3 L908 6210TCE001G HH-1M3216-501 CERATEC 3216MM FET & TRANSISTOR IC905 0IZZTSA004A ML-041B XGA NT ATMEL 32P PLC...
- Page 29 DATE: 2004. 06.25. DATE: 2004. 06.25. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R934 0RH1000D622 100 1/10W 5 D.R/TP R225 0RJ1000D677 100 OHM 1/10 W 5% 1608 R/TP R989 0RH8200D622 820 1/10W 5 D.R/TP R226...
- Page 30 R2208 0RN2000F409 200 1/6W 1% TA52 R1201 0RH0000D622 0 OHM 1 / 10 W 2012 5.00% D SW2200 140-313A TACT 2LEAD 100G(TA) LG C&D NO R1202 0RH0752D622 75 1/10W 5 D.R/TP SW2201 140-313A TACT 2LEAD 100G(TA) LG C&D NO R1217 0RH0752D622 75 1/10W 5 D.R/TP...
- Page 31 DATE: 2004. 06.25. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L1210 0LC0233002A 3.3UH CERATECH R/TP R1226 0RH0472D622 47 1/10W 5 D.R/TP R1227 0RH0752D622 75 1/10W 5 D.R/TP R1228 0RH0752D622 75 1/10W 5 D.R/TP R1229 0RH0752D622 75 1/10W 5 D.R/TP ZD1210 0DZ620009HB UDZ S 6.2B TP ROHM SOD323 200 ZD1211 0DZ620009HB...
- Page 32 Date: 2004. 05. 07 P/No.:3854TN1001A...
- Page 33 Date: 2004. 05. 07 P/No.:3854TN1001A...
- Page 34 Aug., 2004 P/NO : 3828TSL104L Printed in Korea...