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LG 32FS2AMB Service Manual

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COLOR TV
SERVICE MANUAL
CHASSIS : MC-05HA
MODEL : 32FS2AMB/ANB
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
29FS2AMB/ANB-TE
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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   Summary of Contents for LG 32FS2AMB

  • Page 1: Service Manual

    COLOR TV SERVICE MANUAL CHASSIS : MC-05HA MODEL : 32FS2AMB/ANB MODEL : 29FS2AMB/ANB-TE 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 ................17 PRINTED CIRCUIT BOARD ..............20 BLOCK DIAGRAM ................. 24 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

    LIST SLEEP EYE/ accepts your selection or displays the current mode. MAIN STILL INDEX/ Q.VIEW 6. VCR BUTTONS TEXT control a LG video cassette recorder. TIME REVEAL MODE 7. I/II selects the language during dual language broadcast. SIZE STILL POSITION selects the sound output (option).

  • Page 5

    14. MENU selects a menu. POWER MUTE 15. LIST displays the programme table. 16. SSM (Sound Status Memory) recalls your preferred sound setting. 17. EYE/ (option) TV/AV switches the eye function on or off. MENU SOUND PICTURE 18. Q.VIEW returns to the previously viewed programme. T U R B O 19.

  • Page 6: Front Panel

    Front panel ON/OFF ON/OFF Side panel 1. MAIN POWER (ON/OFF) 7. EYE (option) switches the set on or off. adjusts picture according to the surrounding conditions. 2. POWER/STANDBY INDICATOR illuminates brightly when the set is in standby 8. HEADPHONE SOCKET (option) mode.

  • Page 7: Specifications

    4) Follow each drawing or spec for spec and performance of Test and Inspection Method parts,based upon P/N of B.O.M 1) performance : Follow the Standard of LG TV test 5) Warm up TV set for more than 20min. before the 2) Standards of Etc. requirement measurement.

  • Page 8: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 1. Application Object 8) After checking ‘40’, Click the Erase Flash button. These instructions are applied to all of the color TV, MC-05HA chassis. 2. Notes (1) Because this is not a hot chassis, it is not necessary to use an isolation transformer.

  • Page 9: Purity Adjustment

    12) Download the file with ‘OK’ button. 7. Purity & Convergence adjustment Adjustment should be operated when using the CPT(without ITC from CPT manufacturing place) This adjustment must be done in the order of the following flowchart. As preparatory operations before CPT Assembling assembling CPT, wind cotton Tape for protecting to CPT NECK and DY, CPT...

  • Page 10: Power

    (5) Open angle of the two tab of 6 pole magnet by isogonic f. Check the adjusted color coordinates with white balance angle and accord with vertical line of Red/Blue and Green. meter. (6) Maintain as angle of (5) and rotate the tab to accord with Color Temperature X coordinate Y coordinate...

  • Page 12

    Adjust so that corner vertical line of upper-left and upper-right to NOTE : Initial adjustment is done based on PAL 100Hz. be straight line after finishing EP adjustment. If production line doesn’t the production line of LG TV,receive available deflection adjustment pattern. CRNL(Lower Corner Correction)

  • Page 13: Number Buttons

    11. Deflection setting initial data 13. OPTION setting 13-2. Preliminary steps RF PAL RF NTSC ITEM Range 1080i/50 1) This option adjustment decides function in accordance with 100Hz 1080i/50 model. Press the SVC TX adjustment button(CH up/down 0 ~ FFFF FFFC FFF3 FFDD...

  • Page 14

    <Table 1> OPTION 1 Option Code Function Remark TEXT (2bit, 3: WITH CAPTION(CANADA) 3: CANADA Caption, 2: WITH CAPTION 2: OTHER NTSC AREA 200PR) 1: W/TXT & 200 PROGRAM 1: Other country 0: W/O TXT & 200 PROGRAM 0: china only VCTP 0: BASIC 0: VCTP Basic Version...

  • Page 15

    <Table 3> OPTION 3 Option Code Function Remark SCART 3: READY 3: no use 2: 2 SCART(SC ID enable + SC_RGB(soft mix)+sav2) 2: 2 scart 1: 1 SCART(SC ID enable + SC_RGB(soft mix)) 1: 1 scart + 1 phone 0: WITHOUT SCART JACK(ALL PHONE JACK) 0: ALL PHONE JACK WIDE 1: 16:9 TV...

  • Page 16

    <Table 5> OPTION5 Option Code Function Remark C/PTV 1: W/ CVG(PTV) 1: no use 0: W/O CVG(CTV) 0: ALL * Fixed by MICOM version AUTOCVG 1: WITH AUTO CONVERGENCE 1: no use 0: WITH 9 POINT CONVERGENCE 0: ALL 32 INCH 1: 32 INCH 1: no use 0: OTHERS...

  • Page 17: Trouble Shooting

    TROUBLE SHOOTING 1. No Picture (sound ok) CVBS Signal? Check MAIN R118 Waveform (2Vpp) Waveform of Digital Board IC001 Check Q003 Check Tuner(TU101) VIDEO output #191? Waveform of Digital Board IC500 Check around IC500 R/G/B/VM OUT0~#65~68? Waveform of Digital Board IC500 Check around IC500 #41, 42, 43, 44? Waveform of Digital Board P500...

  • Page 18

    3. No PIP <AV1, 2, 3> <RF> <SCART> Waveform of Digital Waveform of Digital Board Check around Waveform of MAIN1 IC001 #189, 182, 188? each Jack Q101(E)? Board IC510 #51, 52, 53, 46? Check around each Jack Check Digital Board IC510 #2 Check Q510 Waveform of Digital Board...

  • Page 19

    5. No raster Check +B voltage 125 ~ 135V or OPEN Is the voltage at VCC of IC001 Check F1701 Fuse ST_1.8V and ST_3.0V? on PSW Board Check/ Replace F1771 Check ST_Voltage Does the square Check the voltage of waveform from PIN C1806 23 of IC500 appear Check/...

  • Page 20: Printed Circuit Board

    PRINTED CIRCUIT BOARD MAIN...

  • Page 21

    DIGITAL (TOP) STAND-BY...

  • Page 22

    DIGITAL (BOTTOM) SIDE-A/V LED + PRE-AMP...

  • Page 23

    POWER S/W CONTROL...

  • Page 24: Block Diagram

    BLOCK DIAGRAM 1. MAIN...

  • Page 25

    2. VCT-P(Video)

  • Page 26

    3. VCT-P(Audio)

  • Page 27

    MEMO...

  • Page 28: Exploded View

    EXPLODED VIEW P1802...

  • Page 29: Exploded View Parts List

    PCB Assembly,Sub SUB M.I MC05HA 32FS4RMP-LE ALALLAX 32 INCH CPT BOARD ASSY 68719SMN03B PCB Assembly, SUB M.I MC05HA 32FS2ANB-TE . CPT BOARD(32 INCH) LGESY CKD 68719MM251G PCB Assembly,Main MAIN1 M.I MC05HA 32FS2AMB-TE.ATSLLA . . 68719MM251H PCB Assembly,Main MAIN1 M.I MC05HA 32FS2AMB-TE.ATCLLA. . . 68719MMX66C PCB Assembly, MAIN1 M.I MC05HA 32FS2ANB-TE.

  • Page 30: Replacement Parts List

    R E P L ACEMENT PA RTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q174 0TR534309AA 2SC5343Y NPN 5V 60V 50V 150MA 100NA Q1801 0TR319809AA KTC3198(KTC1815) NPN 5V 60V 50V 150MA HIC920 0IZZVF0018C STK396-130 STK396-130 SANYO DIP 11PIN Q205 0TR150400BA 2SA1504S(ASY) PNP -5V -50V -50V -0.15A...

  • 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

    LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L904 125-022K 125-022K 20OHM 3.5X6MM AXIAL TP T1701 150-F06T 150-F06T 20MH 38X26X43MM SQE353 T1801 150-F06T 150-F06T 20MH 38X26X43MM SQE3535 X001 6202VDB007B HC-49/U 20.25MHZ 30PPM 20.25MHZ X500 6202VDB007A HC-49/U 5MHZ 30PPM 5MHZ 30PPM\ X510 156-A02X HC-49/U 27MHZ 25PPM 27MHZ 25PPM...

  • Page 38

    P/No : 38549D0023A-1/2 2006.01.20...

  • Page 39

    P/No : 38549D0023A-2/2 2006.01.20...

  • Page 40: Svc. Sheet

    SVC. SHEET : 38549D0023A-S...

  • Page 41

    Apr., 2006 P/NO : 38289S0046D Printed in Korea...

This manual also for:

32fs2anb, 29fs2amb, 29fs2anb-te

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