LG 32FS2RMB Service Manual

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COLOR TV

SERVICE MANUAL

CHASSIS : MC-035E
MODEL : 32FS2RMB/RNB
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
32FS2RMB/RNB-TP
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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Summary of Contents for LG 32FS2RMB

  • Page 1: Service Manual

    COLOR TV SERVICE MANUAL CHASSIS : MC-035E MODEL : 32FS2RMB/RNB 32FS2RMB/RNB-TP CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    CONTENTS CONTENTS ....................2 SAFETY PRECAUTIONS ................3 CONTROL DESCRIPTIONS ..............4 SPECIFICATIONS ..................7 ADJUSTMENT INSTRUCTIONS ............. 8 TROUBLE SHOOTING ................15 PRINTED CIRCUIT BOARD ..............20 BLOCK DIAGRAM ................. 25 EXPLODED VIEW .................. 28 EXPLODED VIEW PARTS LIST ..............29 REPLACEMENT PARTS LIST ............... 30 SVC.
  • 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: Control Descriptions

    9. SLEEP sets the sleep timer. 10. I/II selects the language during dual language broadcast. selects the sound output (option). 11. MAIN STILL freezes motion of the picture. 12. VCR BUTTONS control a LG video cassette recorder. - 4 -...
  • Page 5 13. TV/AV selects TV or AV mode. switches the set on from standby. 14. TURBO PICTURE BUTTON selects Turbo picture. POWER 15. TELETEXT BUTTONS (option) These buttons are used for teletext. EYE/ TV/AV For further details, see the ‘Teletext’ section. TURBO SOUND PICTURE...
  • Page 6: Front Panel

    Front panel ON/OFF ON/OFF Side panel 1. MAIN POWER (ON/OFF) 6. AUDIO/VIDEO IN SOCKETS (AV3) switches the set on or off. Connect the audio/video out sockets of external equipment to these sockets. 2. POWER/STANDBY INDICATOR S-VIDEO/AUDIO IN SOCKETS (S-AV) illuminates brightly when the set is in standby Connect the video out socket of an S-VIDEO mode.
  • Page 7: Specifications

    This specification can be applied to all the television related to Item Specification MC-035E Chassis. Teletext TOP,FLOF REMOCON LG code Specification AV input 4(Side:1, Rear:3) Each part is tested as below without special appointment. Component input 2(Rear:option) 1) Temperature : 25±5°C (77±9°F), CST : 40±5...
  • Page 8: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 1. Application scope 2) Adjust the upper Focus volume of FBT for the best focus of area A. These instruction are applied to color television MC-035E 3) Repeat above step 1) and 2) for the best overall focus. chassis.
  • Page 9: Purity Adjustment

    7-1. Purity adjustment 9. White balance Adjustment 1) Degauss the CPT and CABINET enough. This adjustment should be performed after screen voltage 2) Receive red RASTER signal.(PG50ch) adjustment. 3) Remove fixing screw of DY and stick DY to opening part(CPT For manual adjustment, refer to the following procedure FUNNEL part) 9-1.
  • Page 10 - 10 -...
  • Page 11 6) The TV set receives PAL-B/G Digital pattern(EU05ch). NOTE : Initial adjustment is done based on PAL 100Hz. 50Hz 60Hz If production line doesn’t the production line of LG <Fig. 7> TV,receive available deflection adjustment pattern. LC(Lower Corner Correction) Adjust so that corner vertical line of lower-left and lower-right to be 10-2.
  • Page 12 11. TELETEXT position adjustment 1) Execute in Ch5, 25 or channel that output the voice signal. 2) Select a transmitted frequency in MENU OSD. MENU -> SOUND -> X-WAVE -> Select frequency After finishing deflection adjustment, execute this adjustment. 3) A received frequency in an exclusive remote control or received FM Radio is tuned to it which is same as frequency 11-1.
  • Page 13 Table 1. OPTION 1 Table 3. OPTION 3 Option Code Function Remark Option Code Function Remark 200 PR 100 PROGRAM SAVE WIDE 4:3 TV CHINA 200 PROGRAM SAVE 16:9 TV EU model TSEAR Without Turbo Search function TEXT WITHOUT TEXT WITH TEXT With Turbo Search function EU model...
  • Page 14 Table 4. OPTION 4 OPTION CODE Language LANG English Only EU-5EA(English/German/French/Italian/ Spanish) EU-ETC(Dutch/ Swedish/ Norwegian/ Danish/ Finnish/ Portuguese/ Rumanian/ Polish/ Hungarian/ Czech/ Russian) GREECE(English/ Greek) PARSI(English/ Parsi) ARAB URDU(English/French/Arabic/Urdu) E+HINDI(English/ Hindi) E+I+M+V(English/ Indonesian/ Malay/ Vietnamese) E+THAI(English/ Thai) E+CHINA(English/ Chinese) TXT LAN WEST EU(English/ French/ Swedish/ Czech/ German/ Portuguese/ Spanish/ Italian) EAST EU 1(Polish/ French/ Swedish/ Czech/ German/ Serbian/ Italian/ Romanian) WEST EU W/ TURKISH(English/ French/ Swedish/ Turkish/ German/ Portuguese/ Spanish/ Italian)
  • Page 15: Trouble Shooting

    TROUBLE SHOOTING Check pin 1 of P100. Check the voltage at Check / Replace pin 32 of P100. Q1801, Q821, IC801 2Vp-p Check the H-DRV voltage at pin 1 of P100. Check / Replace Check / Replace IC001,Q002. R850, R851, D850, D851, IC301. 5.5Vp-p Check / Replace Check the voltage of C420(+).
  • Page 16 Check if heater element is lighting. Check the heater voltage. Increase the screen Check/Replace voltage of FBT. FR901, R405. Check/Replace Screen is black. Retrace line is CPT. visible. Check the waveform Check FBT & CPT socket at pin 11 of IC900. &...
  • Page 17 Check the voltage at pin3, 5, 10, 16 of IC601(SOUND AMP : Main). Check the waveform at Pin27, 28 of IC601(Digital) D860, D860. Check the waveform at PIN 6, 8, 9, 12 of IC 601(M) 2.5V CHECK/REPLACE CHECK/REPLACE CHECK/REPLACE TU101. Q601, Q602.
  • Page 18 DON’T CATCH CHANNEL(MAIN) Check the voltage at pin9 of TU101. Check/Replace Check the voltage at R403, D402, R135, ZD102. pin13 of TU101(5V). Check the waveform at Check/Replace pin19 of TU101(Video). IC840. Check the waveform at Check/Replace pin63 of IC201(TV). TU101. Check/Replace Check/Replace IC201, IC101.
  • Page 19 Check the waveform at pin 12 of IC001. Check /Replace Check the waveform at IC201, Q206. pin4, 5, 6, 2 of IC501. Check /Replace Check /Replace IC501. IC101, IC003. Check the voltage at pin 2, 7 of IC301. Check / Replace Check the waveform R850, R851, D850, D851.
  • Page 20: Printed Circuit Board

    PRINTED CIRCUIT BOARD MAIN1 - 20 -...
  • Page 21 DIGITAL(TOP) CONTROL - 21 -...
  • Page 22 DIGITAL(BOTTOM) PRE-AMP - 22 -...
  • Page 23 SIDE A/V HARMONICS - 23 -...
  • Page 24 H.P+FM STAND-BY POWER S/W - 24 -...
  • Page 25: Block Diagram

    BLOCK DIAGRAM 1. MAIN - 25 -...
  • Page 26 2. DIGITAL - 26 -...
  • Page 27 MEMO - 27 -...
  • Page 28: Exploded View

    EXPLODED VIEW - 28 -...
  • Page 29: Exploded View Parts List

    PWB(PCB) ASSEMBLY,SUB M.I MC035E 32 INCH SIDE A/V 68719SM225B PWB(PCB) ASSEMBLY,SUB M.I MC035E SIDE A/V (32INCH) FOR EMS LGESY CKD 68719SM197A PWB(PCB) ASSEMBLY,SUB M.I MC035E 32FS2RMB HRS 32 INCH SLIM OPTION 68719SM940A PWB(PCB) ASSEMBLY,SUB M.I MC035E 32INCH . HRS LGESY CKD 6500VR0003B...
  • Page 30: Replacement Parts List

    CHIP 2SC3875S(ALY) BK KEC IC505 0IKE780800J KIA7808API 3 ST REGULATOR . Q301 0TR534309AA 2SC5343Y TP AUK IC510 0ICTMLG010A LGDT1000B LG IC QFP 128P TRAY DRP2 Q302 0TR387500AA CHIP 2SC3875S(ALY) BK KEC 0IMCRMN001C IC601 MSP3411G QA B8 V3 MICRONAS 80P QFP Q303 0TR387500AA...
  • Page 31 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 32 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 33 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 34 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 35 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 36 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 37 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 38 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 39 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L207 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP TH1801 6322TB070AA THERMISTOR,PTCJ503P63D070M290S L301 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP TU101 6700MF0001C TUNER, TAUD-Z240D 4SYS,2IN1,MAIN L401 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP TU101 6700MF0001P TUNER, TAUD-Z250D LGIT DIN MAIN 2IN1 L402 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP...
  • Page 40 P/NO: 38549D0014A - (1/2) 2005.9.27...
  • Page 41 P/NO: 38549D0014A - (2/2) 2005.9.27...
  • Page 42: Svc. Sheet

    SVC. SHEET : 38549D0014A-S...
  • Page 43 Nov., 2005 P/NO : 38289S0008B Printed in Korea...

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