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Summary of Contents for LG RZ-23LZ20
- Page 1 LCD TV SERVICE MANUAL CHASSIS : ML-027C MODEL : RZ-23LZ20 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MONO DUAL STEREO...
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Page 2: Table Of Contents
CONTENTS CONTENTS ....................2 PRODUCT SAFETY ..................3 SPECIFICATION ..................4 DESCRIPTION OF CONTROLS .............. 5 ADJUSTMENT INSTRUCTION ..............8 TROUBLE SHOOTING ................11 BLOCK DIAGRAM...................12 PRINTED CIRCUIT BOARD ..............13 WIRING DIAGRAM ..................17 EXPLODED VIEW .................. 18 EXPLODED VIEW PARTS LIST ..............19 REPLACEMENT PARTS LIST ............... 20 SVC. -
Page 3: Product Safety
No deviations are 6. Do not remove a replacement ES device from its protective package until allowed without prior approval by LG Electronis Inc. Service work should be immediately before you are ready to install it. (Most replacement ES devices... -
Page 4: Specification
SPECIFICATIONS Note : Specification and others are subject to change without notice for improvement. Receivable Broadcasting system: Feature & Funtion PAL-B/G, D/K, I/I Teletext(TOP/FLOF/LIST 10 page) SECAM-B/G, D/K/L/L’ Remocon(NEC code) AV Input : 2(Side and Rear) S-AV Input : 1(Side) RF Input Channel: Component Input : 1(Rear-option) VHF : E2 ~ E12... -
Page 5: Description Of Controls
DESCRIPTION OF CONTROLS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the side panel of the set. Only the remote control handset supplied will oper- ate this set. Remote control handset Before you use the remote control handset, please install the bat- teries. - Page 6 10. TV/PC selects TV or PC monitor mode. clears the menu from the screen. switches the set on from standby. 11. POWER switches the set on from standby or off to standby. 12. I/II selects the language during dual language broadcast. MUTE POWER selects the sound output (option).
- Page 7 Side panel MONO DUAL STEREO 8. LED (Light Emitting Diode) DISPLAY 1. ON/OFF ( illuminates brightly when the set is switched on. switches the set on from standby or off to : POWER/STANDBY indicator standby. : MONO indicator Note : Power line lives even when the power MONO : STEREO indicator is off.
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Page 8: Adjustment Instruction
ADJUSTMENT INSTRUCTION 1. Application Object This instruction is for the application to the LCD TV. 2. Notes (1) This set uses an adapter, so connect the adapter and the set correctly before adjustment. (2) The adjustment must be performed under the correct sequence. - Page 9 4. Position of Mode Adjustment Timming chart of Receivable Mode * H[dot]/V[line] SVGA- SVGA-75 Mode VGA-60 VGA-67 VGA-75 VGA-85 SVGA-56 SVGA-60 SVGA-72 85800 H_Display V_Display V_Frequency 1048 1024 1056 1040 1056 H_Total H_Blanking H_Sync H_Polarity NEG. NEG. H_Vp H_Fp 53.674 46.875 H-Freq[KHz] 31.469...
- Page 10 5. EDID(The Extended Display Identification Data) EDID Table 0D 0E 6. Option1 data Option Code Option Code Function Remark Function Remark 100 Program 200PR Lang. 200 Program Reserved TEXT Off TEXT TEXT On CH.Sound Non Memory 8. Option3 data I/II Save CH.Sound Memory Option Code...
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Page 11: Troubleshooting
TROUBLESHOOTING 1. General Features Symptom Cause Check Point No screen Input error of inverter connector 1) Bend the pin legs of P1 connector -> recheck them 2) Check and repair F804. P804 and P704 connector 1) Check and fix P704 connector being slipped out 2) Check and fix the components at P704 LCD module and at main board. -
Page 12: Block Diagram
BLOCK DIAGRAM - 12 -... -
Page 13: Printed Circuit Board
PRINTED CIRCUIT BOARD MAIN(TOP) - 13 -... - Page 14 MAIN(BOTTOM) - 14 -...
- Page 15 POWER(TOP) POWER(BOTTOM) - 15 -...
- Page 16 SIDE AV CONTROL - 16 -...
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Page 17: Wiring Diagram
CONNECTOR (CIRC),WAFER 2.0MM 8P GIL-S LG CABLE S P702 6602V20005L CONNECTOR (CIRC),WAFER 2.0MM 12P GIL-S LG CABLE STRAIGHT P2001 366-922C CONNECTOR (CIRC),WAFER 2.5MM 4P GIL-G LG CABLE R/A (B TO C) P2001 366-922C CONNECTOR (CIRC),WAFER 2.5MM 4P GIL-G LG CABLE R/A (B TO C) P3000 6631V20037G CONNECTOR ASSEMBLY,7P 2.0MM 400MM H-B UL1061 AWG26 TWI (LGC)GIL-S (LGC)GIL-T NON... -
Page 18: Exploded View
EXPLODED VIEW - 18 -... -
Page 19: Exploded View Parts List
BOARD, AV RZ-23LZ20 ML027A COVER REAR 6871VMMQ77A PWB(PCB) ASSEMBLY,MAIN ML-027C MANUAL 6871VSMW11A PWB(PCB) ASSEMBLY,SUB CONT ML027C MANNUAL ASSY 6871VSMW07A PWB(PCB) ASSEMBLY,SUB POWER ML027C ASSY 6871VSMV40A PWB(PCB) ASSEMBLY,SUB A/V ML027C RZ-23LZ20 SIDE A/V ASSY 6871VSMW12A PWB(PCB) ASSEMBLY,SUB WINDO ML027C INDEX MANNUAL ASSY - 19 -... - Page 20 SVC. SHEET : 3854VA0128A...
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Page 21: Replacement Parts List
REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible LOCA. - Page 22 For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible LOCA.
- Page 23 6631V20014A CONNECTOR, 12P 2.0MM 100MM H-B C843 181-007T MPE ECQ-V1H105JL3(TR), 50V 1.0UF J P2001 366-922C CONNECTOR, 2.5MM 4P GIL-G LG CABLE C845 181-120P 470 PF 4KV K JE R FL 10 P2001 366-922C CONNECTOR, 2.5MM 4P GIL-G LG CABLE C846...
- Page 24 3.3K OHM 1/6 W 5.00% TA52 SW502 6600VR1004A SWITCH, 5P CHIP TACT J-ALPS NON .V R812 0RD2200F609 220 OHM 1/6 W 5.00% TA52 140-313B SWITCH,TACT 2LEAD 160G(TA) LG C&D R813 0RD1000F609 100 OHM 1/6 W 5% TA52 140-313B SWITCH,TACT 2LEAD 160G(TA) LG R826 0RD2202H609 22K OHM 1/2 W 5.00% TA52...
- Page 25 RESONATOR,RADIAL 20250000HZ 30PPM 16PF TP X501 6202VDT002B RESONATOR, SC14.3MHZ +/- 30 PPM 16PF X601 6202VDT002H RESONATOR, 18.432000MHZ +/-30 PPM ACCESSORIES 3828VA0424B MANUAL,OWNERS DG/BN LG GE/EN, FR/NE 6710V00091A REMOTE CONTROLLER,40 NON 6410VEH008A POWER CORD, H05VV-F 3G I-1800MM 6851V00004D CABLE ASSEMBLY,AUDIO TO AUDIO 2000MM MISCELLANEOUS P3001...
- Page 26 P/No : 3854VA0128A-S(1/2) 2003.06.18...
- Page 27 P/No : 3854VA0128A-S(2/2) 2003.06.18...
- Page 28 Jun., 2003 P/NO : 3828VD0131R Printed in Korea...
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