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Summary of Contents for LG CE-21M64KX
- Page 1 website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html COLOR TV SERVICE MANUAL CHASSIS : MC-019A MODEL : CE/CL-21M64KX/KEX MODEL : CE/CL-21M66KX/KEX CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
CONTENTS Contents ......................... 2 Safety Precautions ....................3 Servicing Precautions ..................4 Specifications ..................... 6 Description of Controls .................. 7 Disassembly Instructions ................10 Adjustment ......................11 Purity & Convergence Adjustment ............14 Block Diagram ......................17 Exploded View ....................18 Exploded View Parts List ................19 Replacement Parts List ................ -
Page 3: Safety Precautions
SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by 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
SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service transistors and semicounductor "chip" components. The manual and its supplements and addenda, read and follow the following techniques should be used to help reduce the SAFETY PRECAUTIONS on page 3 of this publication. incidence of component damage caused by static by static NOTE: If unforeseen circumstances create conflict between the electricity. - Page 5 c. Qulckly move the soldering iron tip to the junction of the Fuse and Conventional Resistor component lead and the printed circuit foil, and hold it Removal/Replacement there only until the solder flows onto and around both the 1. Clip each fuse or resistor lead at top of the circuit board component lead and the foil.
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Page 6: Specifications
SPECIFICA TIONS Note : Specification and others are subject to change without notice for improvement. Video input system: PAL-B/G, D/K, I/I SOUND IF : 33.4MHz (B/G) SECAM-B/G, D/K,L/L’ 32.9MHz (I/I) NTSC M 32.4MHz (D/K) NTSC 4.43 34.4MHz (M) Intermediate Frequency (Unit : MHz) Power requirement : 110~240V, 50/60Hz VISION IF : 38.9MHz COLOR IF : 34.47MHz(4.43) -
Page 7: Description Of Controls
DECRIPTIONS OF CONTROLS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the front panel of the set. Remote control handset Before you use the remote control handset, please install the bat- teries. - Page 8 10. MUTE switches the sound on or off. 11. TV/AV selects TV or AV mode. clears the menu from the screen. switches the set on from standby. 12. Q.VIEW returns to the previously viewed programme. selects a favorite programme. POWER MUTE 13.
- Page 9 Front panel Shown is a simplified representation of front or side panel. Here shown may be somewhat different from your set. VIDEO VIDEO ON/OFF MENU OK VIDEO (L)-AUDIO-(R) P-TURBO-S AUDIO AUDIO 2 3 4 TURBO ON/OFF MENU OK VIDEO AUDIO SOUND PICTURE VIDEO VIDEO...
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Page 10: Disassembly Instructions
DISASSEMBLY INSTRUCTIONS Important note Chassis Assy Removal This set is disconnected from the power supply through the Grasp both side of Frame and pull it backward smoothly. converter transformer. An isolating transformer is necessary for service operations on the primary side of the converter transformer. -
Page 11: Adjustment
ADJUSTMENT Safety Precautions Option Code Function Remark 1. It is safe to adjust after using insulating transformer W/O TBS between the power supply line and chassis input to WITH TBS prevent the risk of electric shock and protect the instrument. W/O EYE 2. - Page 12 Table below. 5) Press the OK( ) button to memorize the data. Status Initial Data Remark 6700VPF009G Tuner P/N 6700VPF016A LG Innotek(W/S TUNER) Marker DAEWOO(W/S TUNER) 2.7! 0.05V 2.7! 0.05V AGC Voltage 6700VPF009S Tuner P/N BLO-R...
- Page 13 2. Deflection Initial Setup Data Status Default 21" FLAT S/S 21" FLAT LG 3. Deflection Adjustment Procedure VL (Vertical Linearity) Adjust so that the boundary line between upper and lower half is in accord with geometric horizontal center of the CPT.
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Page 14: Purity & Convergence Adjustment
PURITY & CONVERGENCE ADJUSTMENT Caution: 5. Reconnect the internal degaussing coil. Convergence and Purity have been factory aligned. Do not attempt to tamper with these alignments. 6. Position the beam bender locking rings at the 9 o'clock However, the effects of adjacent receiver components, or position and the other three pairs of tabs (2,4 and 6 pole replacement of picture tube or deflection yoke may require the magnets) at the 12 o'clock position. - Page 15 1.ADJUST YOKE Z-AXIS FIRST 2 .ADJUST BEAM BENDER 2 POLE TO GET EQUAL BLUE MAGNET TO GET FOUR EQUAL COLOR CIRCLES COLOR CIRCLES MAGNETS 8. Referring to above, perform the following two steps: 6. Reconnect the internal degaussing coil and apply AC power. a.
- Page 16 ROTATION DIRECTION RING MOVEMENT OF RED OF BOTH TABS PAIRS AND BLUE BEAMS OPPOSITE POLE SAME OPPOSITE POLE SAME UP/DOWN ROCKING OF THE YOKE LEFT/RIGHT ROCKING OF THE YOKE UP/DOWN ROCKING OF THE YOKE LEET/RIGHT ROCKING OF THE YOKE CAUSES OPPOSITE ROTATION OF RED CAUSES OPPOSITE SIZE CHANGE OF THE CAUSES OPPOSITE ROTATION OF RED CAUSES OPPOSITE SIZE CHANGE OF...
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Page 17: Block Diagram
BLOCK DIAGRAM - 17 -... -
Page 18: Exploded View
EXPLODED VIEW OPTION - 18 -... -
Page 19: Exploded View Parts List
The components identified by mark critical for safety. EXPLODED VIEW PARTS LIST Replace only with part number specified. LOCA. NO PART NO DESCRIPTIONS 112-C21G CPT SET A51EER131X73 LGENE LOCAL 112-C21H CPT SET A51QAE320X 6400VA0019D SPEAKER,H905/020801B MOTORJOY 8OHM 7/1 150-D02X COIL,DEGAUSSING CU 21” 60TURN 12 OHM D02N (NYL 170-A01D LEAD SET,CPT EARTH 174-009E... -
Page 20: Replacement Parts List
The components identified by mark critical for safety. REPLACEMENT PARTS LIST Replace only with part number specified. LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION ZD442 0DZ820009BF DIODE,ZENER GDZJ8.2B TP GRANDE DO34 0.5W 8 ZD443 0DZ330009DG DIODE,ZENER GDZJ33B TP GRANDE DO34 0.5W 33 IC01 0ICTMPH006C IC,TDA9361PS/N2/4I,0793 PHILIPS 64P ST... - Page 21 The components identified by mark For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No. means as CE : Electrolytic RN : Metal Film Replace only with part number specified.
- Page 22 3.3K OHM 1/6 W 5.00% TA52 L252 0LA0102K119 INDUCTOR,10UH K 0RD3301F609 3.3K OHM 1/6 W 5.00% TA52 L402 150-L01Z COIL,LINEARITY 97UH 0RD4701F609 4.7K OHM 1/6 W 5.00% TA52 “ 150-L02C COIL,LINEARITY 170UH *LG CPT 0RD4701F609 4.7K OHM 1/6 W 5.00% TA52 - 22 -...
- Page 23 10 OHM 1/6 W 5.00% TA52 R447 0RD3901F609 3.9K OHM 1/6 W 5.00% TA52 R670 0RD1001F609 1K OHM 1/6 W 5.00% TA52 “ 0RD3301F609 3.3K OHM 1/6 W 5.00% TA52 * LG CPT R671 0RD1001F609 1K OHM 1/6 W 5.00% TA52 - 23 -...
- Page 24 220 OHM 1/2 W(7.0) 5.00% TA52 RC801 180-822N RWR 7W 1.0 OHM J PD SWITCH SW01 140-315A SWITCH,TACT SKHV17910B LG C&D NON 12V SW02 140-315A SWITCH,TACT SKHV17910B LG C&D NON 12V SW03 140-315A SWITCH,TACT SKHV17910B LG C&D NON 12V SW04 140-315A SWITCH,TACT SKHV17910B LG C&D NON 12V...
- Page 25 P/NO:3854VA0083B-S 2001.04.20...
- Page 26 PRINTED CIRCUIT BOARD WIRING DIAGRAM COMPONENT LOCATION GUIDE MAIN & CPT C01..B4 C403 ..G4 C607..B3 C811 ..G3 F812 ..E2 L801 ..E4 R05..B4 R218 ..D5 R554 ..D4 R820..F4 C02..B4 C404 ..G4 C611..B3 C812..E2 F801A ..G2 L802 ..E3 R06..B3 R219 ..D5 R555 ..D4 R822..F4 C03..B3 C405 ..G4...
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Page 27: Svc. Sheet
SVC. SHEET : 3854V A0083A-S SVC. SHE... - Page 28 Jan.,2003 P/NO : 3828VD0107E Printed in Korea...
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