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LG KE-14P2B Service Manual

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KE-14P2B
MODEL
SERVICE MANUAL

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Summary of Contents for LG KE-14P2B

  • Page 1 KE-14P2B MODEL SERVICE MANUAL...

  • Page 2: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS Notes; (Adjustments must be performed by the following procedures) 1. It is recommended that an isolation transformer be used when servicing this chassis to prevent electric shock and damage to test equipment. P2 POST ADJUST 2. The ac line voltage must be maintained at 230 vac, +- 10%, 50/60 hz.
  • Page 3 7. White Balance Adjustment 1) Input a signal which lower half is black and upper half is white. 2) Set the picture at standard on. Adjust Period 3) Press SVC Key on the Service Remote Controller to get into Service mode. 4) Press PR +/- Key to select BG, RG.

  • Page 4: Troubleshooting

    TROUBLE SHOOTING NO POWER : NO STAND-BY Check if the Replace the Fuse Fuse is O.K.? Is there voltage at Check/Replace pin 9 of T801? DB801, R801, C806. Check/Replace Is there about 6.1V D806, Q801, R807, ZD801, C814, at pin 9 of IC801? IC801.
  • Page 5 NO POWER : NO MONITOR ON Check the Go to NO POWER (NO ST-BY) NO POWER(NO ST-BY) BLOCK BLOCK Is there about Check the pin 10 of P804 ; "HIGH" 6V at pin 9 of P804? ¡ Check/Replace D851, L851, Is there about 115V C860, IC851.
  • Page 6 NO RASTER Is there about 115V Go to NO POWER BLOCK at pin 3 of T701? ¡ Check/Replace F852, D850, Is there about 8V R858, IC853, C863. at pin 6 of P805? ¡ Check the 8V LINE of VCD BOARD ¡...
  • Page 7 V. Deflection ERROR Does the V-A, V-B Check the vertical part of VCD signal appear at pin 4, 7 of P805? Is there about Check/Replace FR702, D702, C704, 15V at pin 3 of L731 IC701? Is there about Check;/Replace FR701, D701, C708, 44V at pin 6 of IC701? C734.
  • Page 8 NO SOUND Is there about Check/Replace FR854, D855, IC601. 25V at pin 5 of IC601? Does the sound Check the Audio source line of signal appear at pin 9 of P805? ¡ Check the voltage at collector of Does the sound signal appear at pin 4 Q601.
  • Page 9 EXPLODED VIEW:14P2 P801...

  • Page 10: Replacement Parts List

    3041R-0005A BASE ASSY A/C HEAD(LGEC) 4408R-0001A REEL 4970R-0054A SPRING 4421R-0003A BRAKE ASSY 4970R-0053A SPRING 4421R-0004A BRAKE ASSY 523-833B HEAD FE D33. LG C&D/ST 4980R-0010A SUPPORTER 4261R-0008A ARM ASSY IDLER 4810R-0053A BRACKET L/D MOTOR 4681R-0007A MOTOR ASSY 4470R-0025A GEAR WHEEL 4408R-0002A...
  • Page 11 LOCA.NO PART NO(GS) DESCRIPTION SPECIFICATION REMARKS CHASSIS ASSY 3141R-0002A 4400R-0005A BELT CAPSTAN MOTOR(MECH) CAPSTAN F2QSB SANKYO D33 4680RA0002A CAPSTAN GVC-033A LGEC D33 4680RA0003A MOTOR(MECH) 4974R-0018A GUIDE RACK F/L GEAR RACK F/L 4470R-0037A 4470R-0033A GEAR DRIVE GEAR 4470R-0032A CONNECT 4470R-0036B GEAR 4510R-0025A LEVER CLUTCH ASSY...

  • Page 12: 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 2055-00744L CPT SET A34KPU02XX 00N7ND 6400VA0019B SPEAKER,G9050402(C93H)8 OHM 4810V00205A BRACKET,SPK 150-D02B COIL,DEGAUSSING,CU 14” 42T 5.7 OHM 153-113V DY,DCAD2-14SNAB 170-A01E LEAD SET,CPT EARTH...
  • Page 13 The components identified by mark REPLACEMENT PARTS LIST critical for safety. Replace only with part number specified. LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION D506 0DD414809ED DIODE,1N4148 TA D507 0DD414809ED DIODE,1N4148 TA IC01 0IGS899602A IC,LG8996-02A(GMS3977R-AA70F) 100 D509 0DD414809ED DIODE,1N4148 TA “...
  • Page 14 For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film critical for safety. in the P/No. means as follows; CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 15 For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film critical for safety. in the P/No. means as follows; CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 16 For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film critical for safety. in the P/No. means as follows; CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 17 The components identified by mark For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film critical for safety. in the P/No. means as follows; CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 18 For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film critical for safety. in the P/No. means as follows; CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 19 SW14 140-315C SWITCH,TACT 4LEAD EVQPB905X 3828VA0190E MANUAL,OWNERS UK/WTY LG EN SW804 6600VM1001A SWITCH,PUSH SDKLA1 250V 5A 3828VA0190Q MANUAL,OWNERS FS LG FR 032C/E 3828VA0190S MANUAL,OWNERS ES LG SP/PO FILTER & CRYSTAL 6710V00032C REMOTE CONTROLLER W/O TXT FILTER(CIRC),SFSH5.5MCB-TF21 REMOTE CONTROLLER W/TXT F100...

  • Page 20: Block Diagram

    BLOCK DIAGRAM...
  • Page 21 VCD BLOCK DIAGRAM...

  • Page 22: Video/Audio Block Diagram

    VIDEO/AUDIO BLOCK DIAGRAM...
  • Page 23 P/No. : 3854VA0060B(2/2) Date : 2000.4.6...
  • Page 24 CIRCUIT DIAGRAM OF MV-995B P/No. : 3854VA0060B(1/2) Date : 2000.4.6 PB.V PB.A REC.V REC.A...

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