Table of Contents
Related Manuals for LG RE-21CC20MX
Summary of Contents for LG RE-21CC20MX
- Page 1 COLOR TV SERVICE MANUAL CHASSIS : MC-019A MODEL : RE-21CC20MX/RX 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 ADJUSTMENT......................10 PURITY & CONVERGENCE ADJUSTMENT ...........13 BLOCK DIAGRAM ....................16 EXPLODED VIEW ....................18 EXPLODED VIEW PARTS LIST ..............19 REPLACEMENT PARTS LIST ..............20 - 2 -... -
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 semiconductor "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. Quickly 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
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 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. I/II/ (option) selects the language during dual language broadcast. (option) selects the sound output. POWER MUTE 13.
- Page 9 Front panel Shown is a simplified representation of the front or side panel. Here shown may be somewhat different from your set. VIDEO VIDEO OK F F VOL G G E E PR D D ON/OFF r r MENU VIDEO AUDIO §...
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Page 10: 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 11 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 AGC Voltage 2.7! 0.05V 6700VPF009S Tuner P/N BLO-R...
- Page 12 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 13: 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 14 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 15 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 16: Block Diagram
BLOCK DIAGRAM - 16 -... - Page 17 MEMO - 17 -...
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Page 18: Exploded View
EXPLODED VIEW P801 - 18 -... -
Page 19: Exploded View Parts List
2426GDA80CS CPT,A51QAE320X 00A7ND LG-PHILIPS DISPLAYS 16KHZ 120-C77G SPEAKER,FULLRANGE C122P02K1459 MOTOR JOY 8 OHM 10/15W 130 57*117 6400VF5001B SPEAKER,MID-RANGE LG FOSTER 16 OHM 5/7W 83DB 1 150-D02N COIL,DEGAUSSING CU 21 60T 12 OHM 6150Z-1024A DY(DEFLECTION YOKE),DC21PLFS2 . (BAEK SEONG DO) 170-A01D... -
Page 20: 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 21 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 22 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 23 2.2M OHM 1/2 W(7.0) 5.00% TA52 R912 RC801 180-822N RWR 7W 1.0 OHM J PD SWITCH SW01 140-315A TACT SKHV17910B LG C&D NON 12V TACT SKHV17910B LG C&D NON 12V SW02 140-315A SW03 140-315A TACT SKHV17910B LG C&D NON 12V 140-315A TACT SKHV17910B LG C&D NON 12V...
- Page 25 PRINTED CIRCUIT BOARD COMPONENT LOCATION GUIDE SIDE A/V MAIN & CPT C01..B4 C404 ..G4 C612..B3 C814 ..D1 D904..B2 P541..C3 R09..B4 R226..E5 R601..B3 R908..A1 C02..B4 C405 ..G4 C621..A2 C815..E3 DB801..G2 P601..B2 R10..B4 R227 ..D5 R602..B3 R909..A1 C03..B3 C406 ..G4 C622..A3 C816..E3 HIC01..D3 P602..B2 R11..B4...
- Page 26 Mar.,2004 P/NO : 3828VD0182F Printed in Korea...