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LG KE-20P32X Service Manual

LG KE-20P32X Manual Online:

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LG KE-20P32X User Manual
LG KE-20P32X User Guide
LG KE-20P32X Online Manual

Text of LG KE-20P32X User Guide:

  • LG KE-20P32X, 3-3 8. Referring to above, perform the following two steps: a. Adjust the yoke Z-axis to obtain equal blue circles. b. Adjust the appropriate beam bender tabs to obtain correct purity (four equal circles). 9. After correct purity is set, tighten the yoke clamp screw and remove the two screen magnets. 10. Remove the AC power and rotate the receiver 180 degrees (facing "magnetic south"). 11. Reconnect the internal degaussing coil. 12. Turn the receiver on for 10 seconds (make sure the receiver came on)

  • LG KE-20P32X, 3-15 Does the sound signal appear at pin 4 of IC601? YES Does the sound signal appear at pin 9 of P805? YES NO SOUND Check/Replace FR854, D855, IC601. Check/Replace speaker, speaker connector. Is there about 25V at pin 5 of IC601? YES NO Check the Audio source line of VCD ¡ Check the voltage at collector of Q602. ¡ Check/Replace IC601, external components of IC601. NO NO

  • LG KE-20P32X, CHASSIS : MV-031A MODEL : KE/KL-20/21P32X MODEL : KF-20/21P32 MODEL CONTENT PURITY & CONVERGENCE ADJUSTMENT ........3-2 ADJUSTMENT INSTRUCTIONS .................3-5 BLOCK DIAGRAM .............................................3-9 WIRING DIAGRAM ........................................ 3-10 TROUBLESHOOTING CHARTS .................3-11 PRINTED CIRCUIT BOARDS .......................3-16 COMPONENT LOCATION GUIDE .............3-17 SECTION 3 ELECTRICAL PART TVCR SERVICE MANUAL

  • LG KE-20P32X, 5-8 LOCA. NO PART NO DESCRIPTION P301 P302 P303 P602 P701 P703 P801 P802 P802 P803 P804 P804A P805 P805A P901 P901A P902 P902A P903 PD04 F851 F852 F853 FR701 FR702 FR851 FR854 FR901 FR902 FR902 R01 R02 R03 R04 R06 R08 R09 R101 R102 R11 R110 R12 R121 R122 R125 R14 R149 R153 R154 R155 6630R5S010A 561-251B 561-234Z 366-932B 366-043K 366-009D 366-043B 366-043B 366-043B 366-043B 6602V25004L 6631V25017G 6602V25004M 6631V25A14H 6602V25004D 6631V25A13G 366-932D 387-A05D 366-009D 6630VK08212 180-D02Y 180-D02Y 180-D02Y 0RF0

  • LG KE-20P32X, MECHANISM TROUBLESHOOTING GUIDE 4-23 Auto REW doesn't work. Is the output of END sensor of supply side "H"? “H”: more than 3.5V “L”: less than 0.7V~1V Is the voltage across IR LED between 0.8~1.5V? Replace the IR LED. Is the Vcc. voltage of End sensor 5V? Check the syscon power. Replace the End sensor. Check the syscon circuit. NO YES YES YES YES NO NO 1.Deck Mechanism A. NO NO NO No F/R modes. Is the present mode F/R Mode? Is the mode SW assembled correctly? (refer to page 4-14.) Is th

  • LG KE-20P32X, 4-2 DECK MECHANISM DISASSEMBLY (S3) (S2) (S2) (S3) (A) Stator Carbon Brush Drum Motor Rotor Drum Sub Assembly Drum FPC (S1) (S1) (S1) Holder FPC H1 H2 1. Drum Assembly (Fig. A-1-1) 1) Unplug the Drum FPC Connector. 2) Remove three Screws(S1) on bottom side and separate the Drum assembly. 3) Unhook (H1), (H2) and separate the Holder FPC and Cap FPC. 1-1. Drum Motor 1) Remove two Screws(S2) and disassemble the Stator of the Drum Motor. 2) Remove two Screws(S3) and separate the Rotor of the Drum Motor from the Drum Sub assembly. NOTE When reassembling, confi

  • LG KE-20P32X, 3-14 Is there about -14V at pin 1 of IC701? YES Is there about 14V at pin 6 of IC701? YES V. Deflection ERROR Check the vertical part of VCD Check/Replace IC701 Does the V-A, V-B signal appear at pin 4, 7 of P805? YES NO Check/Replace FR702, D703, C703. Check;/Replace FR701, D702, C704. NO Is there about 185V at pin 1 of P902? YES NO PICTURE Check the CVBS line of VCD ¡ Check/Replace IC901. ¡ Check screen voltage Does the RGB signal appear at pin 3, 5, 7 of P901A? YES NO Check/Replace D701, C701, T701, 5PIN CONNECTOR. NO NO

  • DECK MECHANISM DISASSEMBLY 4-7 Opener Lid Arm Assembly Pinch Base Assembly P4 Arm T/up Lever T/up (A) (B) (C) (C) (H13) (B) (H13) Chassis Fig. A-5 16. Base Assembly P4 (Fig. A-5-1) 1) Breakaway the (A) portion of the Base Assembly P4 from the embossing of the Chassis. 2) Turn the Base Assembly P4 to counterclockwise direction and lift it up. 17. Opener Lid (Fig. A-5-2) 1) Breakaway the (B

  • LG KE-20P32X, 1-2 SPECIFICATIONS Video Video Signal Processing System ....................................................................................................................................................................................................................PAL/SECAM /NTSC 4.43(VCR playback only) Video Head System ...........................................................................................................................................................Double azimuth 4 heads, helical scanning system Head ..............

  • LG KE-20P32X, DECK MECHANISM ADJUSTMENT 4-15 4.Guide Roller Height Adjustment Adjustment Procedure 1) Confirm if the tape runs along the tape guide line of the Lower Drum. 2) If the tape runs the bottom of the guide line, turn the Guide Roller Height Adjustment Screw to clockwise direction. 3) If it runs the top, turn to counterclockwise direction. 4) Adjust the height of the Guide Roller to be guided to the guide line of the Lower Drum from the starting and end- ing point of the Drum. Purpose: To regulate the height of the tape so that the bottom of the tape runs along the tape guide line on the Lower Drum. Test Equipment/ Fixture • Post Height Adjusting Driver Test Condit

  • LG KE-20P32X, DECK MECHANISM ADJUSTMENT 4-17 Purpose: To obtain compatibility with the other VCR(VCP) Models. 5-2. Confirm that the tape passes smoothly between the Take-up Guide and Pinch Roller(using a mirror or the naked eye). 1) After completing Step 5-1.(Preliminary Adjustment), check that the tape passes around the Take-up Guide and Pinch Roller without folding or curling at the top or bottom. (1) If folding or curling is observed at the bottom of the Take-up Guide then slowly turn the Tilt Adjustment Screw(C) in the clockwise direction. (2) If folding or curling i

  • 1-8 1. MAIN POWER (ON/OFF) switches the set on or off. Note : One power line lives even when the main power is off. 2. POWER (r-I) switches the set on from standby or off to standby. 3. REMOTE CONTROL SENSOR 4. AUDIO/VIDEO IN SOCKETS (AV2) Connect the audio/video out sockets of the external VCR to these sockets. 5. REC/ITR starts a manual recording or instant

  • DECK MECHANISM ADJUSTMENT 4-13 Purpose:To determine if the Mechanism is in the correct position, when a Tape is ejected. 1. Mechanism Alignment Position Check 1) Turn the Power S/W on and eject the Cassette by press- ing the Eject Button. 2) Remove the Top Cover and Plate Assembly Top, visual- ly check if the Gear Cam Hole is aligned with the Chassis Hole as below Fig. C-2. 3) IF not, rot

  • 4-18 DECK MECHANISM ADJUSTMENT Purpose: To correct for shift in the Roller Guide and X value after replacing the Drum. 8-2. Checking for tape curling or jamming Test Equipment/ Fixture • T-160 Tape • T-120 Tape Specification • Be sure there is no tape jamming or curling at the begining, middle or end of the tape. VCR(VCP) State • Run the CUE, REV, Play mode at the beginning and th

  • LG KE-20P32X, EXPLODED VIEWS 4-29 401 402 001 008 011 031 079 017 032 024 406 020 021 028 019 018 029 030 026 A03 A04 A01 002 002A 025 027 022 003 004 006 007 010 405 014 015 009 409 013 023 016 405 012 402 OPTIONAL PART 2. Moving Mechanism Section(1)

  • LG KE-20P32X, 2-3 112 2426GCA40CP 2426GDA80CS CPT SET 2426VDC0029 - CPT SET 120 120-D44D 120-D44D SPEAKER,GENERAL 16 OHM 3W/5W 83DB 150 150-D02M 150-D02N COIL, DEGAUSSING,CU 21 60T 12 OHM 153 6150Z-1014A 6150Z-1024A DY 170 170-A01F 170-A01F CPT EARTH 174 6410VEH004A 6410VEH004A POWER CORD HIT101 HARNESSINDO VDE/SEMKO 300 3091V00268N 3091V00269L CABINET ASSEMBLY,W/SECAM NON MV031A IN LOCAL 3091V00268M - CABINET ASSEMBLY,W/O SECAM MV031A IN LOCAL 3091V00268Q 3091V00269N(LGEAP) CABINET ASSEMBLY 310 5020V00401C 5020V00399C BUTTON,CONTROL 315 3580V00014S 3580V00014S DOOR,CST, W/SECAM 3580V00014Y - DOOR,CST, W/O SECAM 320 320-075B 320-075B SPRING,COIL 330 5020V00402B 5

  • LG KE-20P32X, CHASSIS : MV-031A MODEL : KE/KL-20/21P32X MODEL : KF-20/21P32 MODEL CONTENT EXPLODED VIEW .............................................2-2 EXPLODED VIEW PARTS LIST..................2-3 DISASSEMBLY INSTRUCTIONS ..................2-4 SECTION 2 DISASSEMBLY PART TVCR SERVICE MANUAL

  • LG KE-20P32X, 4-6 DECK MECHANISM DISASSEMBLY Brake Assembly T Spring TB (H9) Reel T Brake Assembly RS Spring RS Arm Assembly Tension Spring Tension Reel S Base Tension (H11) (H12) Chassis (H10) Fig. A-4 12. Brake Assembly T (Fig. A-4-1) 1) Unhook the Spring TB from the Hook(H9) of the Chassis. 2) Lift the Brake Assembly T up. 13. Brake Assembly RS (Fig. A-4-2) 1) Unhook the Spring RS from the Hook(H10) of the Chassis. 2) Lift the Brake Assembly T up. 14. Arm Assembly Tension (Fig. A-4-3) 1) Unhook the Spring Tension from the Hook(H11) of the Arm Assembly Tension. 2) Unhook the Hook(H12) of the Base Tension and lift the Arm As

  • DECK MECHANISM ADJUSTMENT 4-12 • Tools and Fixfures for Service 1. Cassette Torque Meter 1. SRK-VHT-303(Not SVC part) 1. Parts No: D00-D006 4. Torque Gauge Adaptor Parts No:D09-R001 5. Post Height Adjusting Driver Parts No:DTL-0005 6. + Type Driver (ø 5) 2. Alignment Tape Parts No NTSC: DTN-001 PAL:DTN-0002 3. Torque Gauge 3. 600g.Cm ATG 3. Parts No:D00-D002 SRK VIDEO CASSE

  • LG KE-20P32X, RPL 5-4 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION D507 D510 D511 D512 D602 D701 D702 D703 D731 D781 D806 D807 D808 D809 D810 D811 D851 D852 D853 D854 D855 D856 D858 D859 D860 D861 D901 D902 D903 D904 DB801 LD03 LED03 ZD02 ZD102 ZD103 ZD601 ZD701 ZD702 ZD801 ZD860 ZD861 ZD901 Q03 Q04 Q05 Q06 Q07 Q08 Q09 Q10 0DD414809ED 0DD414809ED 0DD414809ED 0DD414809ED 0DD414809ED 0DD060009AC 0DD060009AC 0DD060009AC 0DD400509AA 0DD150009CA 0DD060009AC 0D

  • LG KE-20P32X, 4-8 DECK MECHANISM DISASSEMBLY Chassis (S5) Belt Capstan Motor Capstan Washer(W1) Lever F/R Clutch Assembly D35 Brake Assembly Capstan (L1) (L2) (L1) Fig. A-6 20. Belt Capstan (Fig. A-6-1)/ Motor Capstan (Fig. A-6-2) 1) Remove the Belt Capstan. 2) Remove the three Screws(S5) on bottom Chassis and lift the Motor Capstan up. 21. Lever F/R (Fig. A-6-3) 1) Unlock the Locking Tab(L1) as Fig. A-6-3 and lift the Lever F/R up. 22. Clutch Assembly D35 (Fig. A-6-4) 1) Remove the Washer(W1) and lift the Clutch Assembly D35 up. 23. Brake Assembly Capstan (Fig. A-6-5) 1) Pull the Locking Tab(L2) back in direction of arrow and lift it up. (Fig. A-6-1) (Fig. A-6-2) (Fig. A-6-3) (Fig. A-6-5) (

  • LG KE-20P32X, MECHANISM TROUBLESHOOTING GUIDE 4-27 Cassette does not load. Does the cassette insert? Does the Opener Lid work? Check the opener Door assembled correctly. Replace the Opener Lid. Replace the Arm Assembly F/L. Check the power of L/D Motor. Check the Holder Assembly Cassette assembled correctly. Replace the Gear Rack F/L. Does the Gear Assembly Rack F/L work? Does the Opener Door work? Does the Arm Assembly F/L work? Does the L/D Motor work? Does the Holder Assembly Cassette move the Arm Assembly F/L? Replace the Front Loading Mechanism Assembly. YES YES YES YES NO NO

  • LG KE-20P32X, 3-12 Is there about 115V at '+' terminal of C865? YES Is there about 6V at pin 9 of P804? YES NO POWER : NO MONITOR ON Go to NO POWER (NO ST-BY) BLOCK Go to NO RASTER BLOCK Check T701, Q781 and go to NO RASTER BLOCK Check the NO POWER(NO ST-BY) BLOCK YES NO Check the pin 10 of P804 ; "HIGH" NO ¡ Check/Replace D851, L851, C860, IC851. ¡ Check the pin 10 of P804 : 'HIGH" NO

  • LG KE-20P32X, 4-24 MECHANISM TROUBLESHOOTING GUIDE AUTO STOP. (PLAY/CUE/REV) Are there T/up and Supply Reel pulses. In Play/Cue/Rev, Is the Pinch Roller in contact with the Capstan Shaft? Replace the Reel Sensor. Is the output of DFG, DPG OK? Check alignment positions (page 4-14). Replace the Drum Motor. Check the Servo, Syscon. Check the Syscon, µ-COM. Cassette doesn’t load. Insert the cassette. Check Lever Assembly S/W. Is there variation for CST IN S/W Output? (In Tape with REC Tab “L”→“H”→“L”) (In Tape without REC Tab “L”→“H”�

  • LG KE-20P32X, DECK MECHANISM DISASSEMBLY 4-11 (A) (B) (C) (S7) Arm Assembly Idler Base Loading Base Tension Chassis (D) Fig. A-9 31. Base Loading (Fig. A-9-1) 1) Remove the Screw(S7). 2) Lift the Base Loading up. 32. Base Tension (Fig. A-9-2) 1) Breakaway the (A) portion of the Base Tension from the embossing of the Chassis. 2) Turn the Base Tension to counterclockwise direction and lift it up. 33. Arm Assembly Idler (Fig. A-9-3) 1) Make narrower the two parts, (A) and (B), as Fig. A-9-3. 2) Lift the Arm assembly Idler up. NOTE When disassembling, be careful not to be caught the (D

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