LG RP-29FA40-M Service Manual
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LG RP-29FA40-M Service Manual

LG RP-29FA40-M Service Manual

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COLOR TV

SERVICE MANUAL

CHASSIS : FA
MODEL : RP-29FA40-M
RP-29FA40-O
RP-29FA40-P
RP-29FA40-R
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com
E-mail:http://www.LGEservice.com/techsup.html

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Summary of Contents for LG RP-29FA40-M

  • Page 1: Service Manual

    E-mail:http://www.LGEservice.com/techsup.html COLOR TV SERVICE MANUAL CHASSIS : FA MODEL : RP-29FA40-M RP-29FA40-O RP-29FA40-P RP-29FA40-R CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Interconnect Diagram

    OVERVIEW CON2K6 SVM COIL Interconnect Diagram The FA chassis was developed for consumer market pur- A relationship between IC2200 and IC2990, P221-01438, pose. This manual covers 27v True Flat CRT only. The is linked, this last one is used for switching the video chassis is divided in two sections, the large signal board signal inputs from the Front and Rear jacks.
  • Page 3 MICRO OP GUIDE MODEL CABINET F. JACKS R. JACKS EXTRA FEATURES ALL MODELS ARE MODULE LEVEL REPAIR 124-00233-P09 P221-01524-00 P206-04552 RP-29FA40-M Table Top TRUE FLAT, YUV INPUTS, AUTOVOLT 124-00233-P09 P221-01524-00 P206-04552 RP-29FA40-P Table Top TRUE FLAT, YUV INPUTS, AUTOVOLT RP-29FA40-O...

  • Page 4: Programming The Remote

    MBR3447LG MODEL REMOTE CONTROL POWER Turns TV On or Off. FLASHBK (Flashback) Returns to previous Channel. MODE SURF Selects the remote's mode of operation Turns Channel Preview On/Off. When on, the Channel Up/Down MUTE Turns sound Off and On keys only Scroll through channels while picture remains.

  • Page 5: Remote Programming

    REMOTE PROGRAMMING AUTO FIND VOLUME OVERRIDE If none of the codes in the code table operate your equip- These remotes can override TV, VCR, or Video Disk ment, use Auto Find to search for the proper code. Player volume functions with an amplifier’s volume and muting.

  • Page 6: Programming Codes

    PROGRAMMING CODES TV's Portland 246,727 SL Marx Sears Daewoo ProScan 216,260,266, Sprucer Sharp 441,442 Zenith 101,121,149 282,725 Stargate 326,379 Sherwood Quasar 259,295 Standard Comp Hitachi Radio Shack 213,265,730 Teleview 949,954 TV/VCR 216,220,228, Texscan 339,356,371 Kenwood 441,931,948 Adventura TV/VCR 240,242,249, Tocom 317,318,346 Luxman Daewoo TV/VCR...

  • Page 7: Channel Menu

    USER MENUS P221-01524-00 ADD/DEL/SURF CHANNEL MENU After running the Auto Program, all channels found by Below is the Channel Menu for the FA chassis with each the Auto Program feature will be marked ‘Added’ . How- of its options. ever, some of these channels may be scrambled, or un- EZ PROGRAM desired by the customer.

  • Page 8: Sound Menu

    USER MENUS P221-01524-00 (continued) Notes: COLOR TEMP • When the Text option is selected and a text box Sets the color temperature. The two settings are COOL appears, if the CC key is pressed, the Caption box and WARM. that allows setting to On, EZ Mute or Off will appear, •...

  • Page 9: Lock Menu

    USER MENUS P221-01524-00 (continued) EZ SOUNDRITE GENERAL BLOCK To block channels for a general age, the customer may The Sound Rite feature is used to obtain a uniform vol- either select: Unblocked, TV-G and Above, TV-PG and ume level, particularly while changing channels. The Above, TV-14 and Above or TV-MA.

  • Page 10: Set Password

    USER MENUS P221-01524-00 (continued) F VIOLENCE BLOCK RE-ENTERING PARENTAL CONTROL MENU To block a television program with F Violence rating, use If the Parental Control feature has been activated, the Up/Down Arrow keys to select either: Unblocked, the software will not allow immediately entry into TV-Y7.

  • Page 11: Special Menu

    USER MENUS P221-01524-00 (continued) CHANNEL LABELS OPTION SPECIAL MENU This feature allows the customer to select a channel la- This Menu contains the EZ Timer , Ch. Labels, XDS Dis- bel for the current station. This channel label is dis- play, EZ Demo and EZ Help.

  • Page 12: Volume Display

    USER MENUS P221-01524-00 (continued) EZ DEMO MISC DISPLAYS The EZ Demo is designed to show-off the icon menus SLEEP TIMER and other icon displays on the sales floor. The EZ Demo To press the timer key for activate the sleep timer. feature can be turned On/Off with the Up/Down Arrow The user can choose to activate the timer to turn off the keys.

  • Page 13: Factory Menu

    FACTORY MENU INSTALLERS MENU (Bass,treble,balance,audio mode,sound rite,front Access the Installer’s Menu by using the remote control surr,speaker) in nonvolatile memory (not affected by or the keyboard on the front of the set. power loss). Memory status is indicated by a 1 for “custom settings already stored”, or 0 for “custom set- With the remote: Press &...
  • Page 14 FACTORY MENU (continued) 21 Horz AFC: Set the automatic horizontal frecuency con- 45 H EHT Comp: Horizontal Extremely High Tension Compesation. Range 0-7. Initial value: 4 trol on, should be 1. 22 WPL: Activates White Peak Limiter 46 V EHT Comp: Vertical Extremely High Tension Compesation.

  • Page 15: Power Supply

    SERVICING LARGE SIGNAL SWITCH MODE REGULATOR POWER SUPPLY The FA chassis employs a switching power supply, quasi- The FA is a COLD chassis of a single sided circuit board, resonant topology type. The AC line is supplied thru developed for a 27”. The power supply section features the bridge rectifier BRX3400 and CX3410 circuit through four IC’s for voltages sources.
  • Page 16 SERVICING (continued) PIN DESCRIPTION PIN # DESCRIPTION FUNCTION POWER MOSFET DRAIN To drive the chopper xfmr,capable of switching a max of 650V. GROUND (HOT) MOSFET Source connection. DRIVE (+VCC) Positive supply voltage, 32VDC FEEDBACK (Vfb The output voltage error is applied to this pin. SYNCHRONY (Vs/s External sync signal &...

  • Page 17: Small Signal

    SERVICING DEFLECTION SMALL SIGNAL HORIZONTAL PINCUSHION CORRECTION CIRCUIT AUDIO & VIDEO PROCESSING This circuitry provides a east/west pincushion correc- The FA chassis has a stereo amplifier, IC800 P221-1488, tion by providing a smaller horizontal deflection current which is the final audio stage. This chassis does not at the upper and lower portions of the flat screen, thru have phone output, however it has Matrix Output.
  • Page 18 SERVICING (continued) During the introduction of FA chassis the TA1253AN version was introduced, which is an upgrade from the N version, the following is a comparison of both processors: ITEM TB1253N TB1253AN Data Specifications PIF block PIF horizontal noise < Improve> AFT defeat ("...
  • Page 19 SERVICING Y/C loop Ctrl SUMMARY OF AUDIO/VIDEO SIGNALS REAR JACK PACK: FRONT JACK PACK: YUV + LR Input (Component Video) … directly trough Y/C or CV + LR Input (Front SVideo/Video) Video Proc Y/C + LR Input (Rear SVideo) CXA2089S SONY IC + LR Input (R Video) 48 pins DIP package with 9 DC Vcc Y/C loop + Matrix Output...

  • Page 20: Digital Comb Filter

    SERVICING (continued) DIGITAL COMB FILTER COMB FILTER CRITICAL SIGNAL On the Pin 10 (Fsc) color sub carrier signal tuned to The IC2400 is the digital comb filter for NTSC-U format 3.58 Mhz for chrominance and luminance separation. it is a 1H, 2L Digital comb filter. If this signal is not present the next problems could It separates luminance (Y) and chrominance (C) signals be happened:...

  • Page 21: Adjustment Procedure

    Set Customer Contrast at 0 RF SUB-BRIGHTNESS ADJUSTMENT c) Set Customer Brightness at 15 d) Set any channel without RF signal a) Set LG 10 Step pattern. e) Push <MENU> key at remote control until it display <= Grey Scale channel label <= Color Bars...
  • Page 22 SERVICING (continued) EZ PICTURE VALUES FOR VIDEO PROCESSOR a) If it necessary to review the values of Chromatics for each EZ Picture, next tables have entire description. b) Check the Video Processor IC type: TB1253N uses Tint Offset register at 5; and TB1253AN uses Tint Offset register at 0.

  • Page 23: If And Audio Servicing

    SERVICING ATT ADJUSTMENT IF AND AUDIO SERVICING a) Set the chassis for RF input. AGC DELAY b) Set bits TEST-DA = “0” and TEST1 = “0”. With a strong noise-free antenna signal, adjust with left c) Input a 100 Hz signal at 25 KHz deviation (100 % select key the RF AGC (#20) to a lower setting until the mod.), 75 us off to pin 19 of IC1400.

  • Page 24: Component Parts List

    COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION CAPACITOR C1202 022-08309-12A CAPACITOR ;100 MFD 20% 16V ;ELECTROLYTIC, 1 SECT C1204 022-08312-07A CAPACITOR ;4.7 MFD 20% 50V ;ELECTROLYTIC, 1 SECT C1209 022-08309-15A CAPACITOR ;470 MFD 20% 16V ;ELECTROLYTIC, 1 SECT C1210 022-08312-01A CAPACITOR ;0.22 MFD 20% 50V ;ELECTROLYTIC, 1 SECT C1213 022-08309-12A...
  • Page 25 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION C2926 022-08309-13A CAPACITOR ;220 MFD 20% 16V ;ELECTROLYTIC, 1 SECT C2927 022-08312-08A CAPACITOR ;10 MFD 20% 50V ;ELECTROLYTIC, 1 SECT C2928 022-08312-08A CAPACITOR ;10 MFD 20% 50V ;ELECTROLYTIC, 1 SECT C2961 022-08312-08A CAPACITOR ;10 MFD 20% 50V ;ELECTROLYTIC, 1 SECT C2963 022-08312-08A CAPACITOR ;10 MFD 20% 50V ;ELECTROLYTIC, 1 SECT...
  • Page 26 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION CM1211 022-08366-08A CAPACITOR ;1,000 PFD 10% 50V ;CERAMIC CHIP, LDLESS CM1212 022-08366-08A CAPACITOR ;1,000 PFD 10% 50V ;CERAMIC CHIP, LDLESS CM1214 022-08366-08A CAPACITOR ;1,000 PFD 10% 50V ;CERAMIC CHIP, LDLESS CM1215 022-08352-24A CAPACITOR ;33 PFD 5% 50V ;CERAMIC CHIP, LDLESS CM1224 022-08366-08A CAPACITOR ;1,000 PFD 10% 50V ;CERAMIC CHIP, LDLESS...
  • Page 27 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION CM2805 022-08376-32A CAPACITOR ;100,000 PFD +80% & -20% 16V ;CERAMIC CHIP, LDLESS CM2806 022-08376-32A CAPACITOR ;100,000 PFD +80% & -20% 16V ;CERAMIC CHIP, LDLESS CM2807 022-08376-32A CAPACITOR ;100,000 PFD +80% & -20% 16V ;CERAMIC CHIP, LDLESS CM2808 022-08376-32A CAPACITOR ;100,000 PFD +80% &...
  • Page 28 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION CM6056 022-08352-28A CAPACITOR ;47 PFD 5% 50V ;CERAMIC CHIP, LDLESS CM6057 022-08352-28A CAPACITOR ;47 PFD 5% 50V ;CERAMIC CHIP, LDLESS CM6058 022-08352-28A CAPACITOR ;47 PFD 5% 50V ;CERAMIC CHIP, LDLESS CM6059 022-08352-28A CAPACITOR ;47 PFD 5% 50V ;CERAMIC CHIP, LDLESS CM6060 022-08352-28A CAPACITOR ;47 PFD 5% 50V ;CERAMIC CHIP, LDLESS...
  • Page 29 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION CX3410 181-001T CAPACITOR,AL.ELECTROLYTI;CE 400V 470UF M LUG(85); CX3600 022-08386-10 CAPACITOR ;1500 PFD 10% 2000V ;CERAMIC DISC CX3601 022-07811-01A CAPACITOR ;0.00047 MFD 10% 1000V ;CERAMIC DISC CX3602 022-08043-02 CAPACITOR ;0.01 MFD 10% 630V ;POLYESTER CX3603 022-08312-12A CAPACITOR ;100 MFD 20% 50V ;ELECTROLYTIC, 1 SECT...
  • Page 30 COMPONENT PARTS LIST LOCATION PART NUMBER DECRIPTION L6007 0LA0471K119 INDUCTOR,AXIAL LEAD;4.7UH K 2.3*3.4 TP; LX3200 020-04073-01 COIL ;RCF ;LINEARITY LX3202 150-W01D COIL,CHOKE;WIDTH 3600UH; LX3203 150-W01A COIL;WIDTH 24UH; LX3300 020-04533-01 COIL ;RCF, FIXED ;BALANCE LX3400 150-F06L COIL;LINE FILTER SQE2930 10MH; LX3401 150-F06L COIL;LINE FILTER SQE2930 10MH;...
  • Page 31 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION D5106 103-00344-06A DIODE ;LOW VOLTAGE GENERAL ; D5107 103-00461A DIODE ;ULTRA FAST SWITCHING ;HIGH CONDUCTANCE D5500 103-00461A DIODE ;ULTRA FAST SWITCHING ;HIGH CONDUCTANCE D5501 103-00344-06A DIODE ;LOW VOLTAGE GENERAL ; D5502 103-00344-06A DIODE ;LOW VOLTAGE GENERAL ; D6001 103-00461A DIODE ;ULTRA FAST SWITCHING ;HIGH CONDUCTANCE...
  • Page 32 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION IC2400 221-01449 INTEGRATED CKT ;DIGITAL COMB FILTER ; IC2900 221-01438 INTEGRATED CKT ;AUDIO VIDEO SWITCH ; IC3300 221-00494 INTEGRATED CKT ;DUAL DIFF INPUT W/SINGLE-ENDED SUPP;LINEAR, OP-AMP IC5100 PF-54716 IC AND HEATSINK ;ASSEMBLY ; IC6000 P221-01524 INTEGRATED CKT ;8-BIT MICROCOMPUTER ;...
  • Page 33 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION R2808 063-10235-90 RESISTOR ;FILM ;5.6K OHM 5% 1/4W R2809 063-10235-90 RESISTOR ;FILM ;5.6K OHM 5% 1/4W R2902 063-10235-56 RESISTOR ;FILM ;220 OHM 5% 1/4W R2905 063-10235-58 RESISTOR ;FILM ;270 OHM 5% 1/4W R2908 063-10235-40 RESISTOR ;FILM ;47 OHM 5% 1/4W R2909...
  • Page 34 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION R5129 063-10244-22 RESISTOR ;FILM ;120K OHM 5% 1/2W R5130 063-10243-72 RESISTOR ;FILM ;1K OHM 5% 1/2W R5131 063-10244-36 RESISTOR ;FILM ;470K OHM 5% 1/2W R5132 063-10235-72 RESISTOR ;FILM ;1K OHM 5% 1/4W R5133 063-10235-72 RESISTOR ;FILM ;1K OHM 5% 1/4W R5139...
  • Page 35 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION RM1231 063-11059-25A RESISTOR ;THICK FILM CHIP ;100 OHM 5% 1/10W RM1232 063-11059-25A RESISTOR ;THICK FILM CHIP ;100 OHM 5% 1/10W RM1233 063-11059-25A RESISTOR ;THICK FILM CHIP ;100 OHM 5% 1/10W RM1234 063-11059-25A RESISTOR ;THICK FILM CHIP ;100 OHM 5% 1/10W RM1235 063-11059-25A RESISTOR ;THICK FILM CHIP ;100 OHM 5% 1/10W...
  • Page 36 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION RM2405 063-11059-47A RESISTOR ;THICK FILM CHIP ;820 OHM 5% 1/10W RM2406 063-11059-25A RESISTOR ;THICK FILM CHIP ;100 OHM 5% 1/10W RM2407 063-11059-25A RESISTOR ;THICK FILM CHIP ;100 OHM 5% 1/10W RM2408 063-11059-47A RESISTOR ;THICK FILM CHIP ;820 OHM 5% 1/10W RM2409 063-11059-25A RESISTOR ;THICK FILM CHIP ;100 OHM 5% 1/10W...
  • Page 37 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION RM6036 063-11059-65A RESISTOR ;THICK FILM CHIP ;4.7K OHM 5% 1/10W RM6038 063-11059-65A RESISTOR ;THICK FILM CHIP ;4.7K OHM 5% 1/10W RM6040 063-11059-65A RESISTOR ;THICK FILM CHIP ;4.7K OHM 5% 1/10W RM6041 063-11059-65A RESISTOR ;THICK FILM CHIP ;4.7K OHM 5% 1/10W RM6050 063-11059-89A RESISTOR ;THICK FILM CHIP ;47K OHM 5% 1/10W...
  • Page 38 COMPONENT PARTS LIST LOCATION PART NUMBER DESCRIPTION RX3605 063-10236-12 RESISTOR ;FILM ;47K OHM 5% 1/4W RX3607 063-10236-20 RESISTOR ;FILM ;100K OHM 5% 1/4W RX3701 063-10235-72 RESISTOR ;FILM ;1K OHM 5% 1/4W RX3702 063-10235-72 RESISTOR ;FILM ;1K OHM 5% 1/4W RX3703 063-10236-32 RESISTOR ;FILM ;330K OHM 5% 1/4W RX3704...
  • Page 39 COMPONENT PARTS LIST CRY2200 224-00027A CRYSTAL ;QUARTZ ;3.579 MHZ LOCATION PART NUMBER DESCRIPTION CRY6001 224-00074-02A CRYSTAL ;QUARTZ ;8 MHZ DAG1 A-19197 GROUNDING ASSY ;WIRE AND TERMINAL, WHITE ;DAG DAG2 A-19197 GROUNDING ASSY ;WIRE AND TERMINAL, WHITE ;DAG 366-043A WAFER;ASSY,PLUG(1P) IC800 4921V00021R HEAT SINK ASSY;4920V00022M 60MM TDA7263;...
  • Page 40 P/NO : 3828VD0097A April, 2001...
  • Page 42 130 VSB 14 V _A_V SVM OUT SPKR 14 V 130 VSB CN1A VMRD2 VMRD1 +5V SBF RESET PB CV F SENSE CV FRONT SPKR Y FRONT C FRONT +5VSBF YC SENSE IR DET DATA 2 DATA 1 L4 IN R4 IN DATA DATA...
  • Page 43 ON/OFF GLX3401P3 1/2W...
  • Page 45 FR105G...
  • Page 46 GND\VEE...
  • Page 47 EICX3821P6 EICX3821P5 GRX3822P4 GRX3822P3...
  • Page 48 MPI-DIN MPI-DOUT SPI-DOUT SPI-DIN SPI-CLK 91-2053...
  • Page 49 vout...
  • Page 50 TP40 TP42...
  • Page 51 R4-IN L4-IN YC-SENSE C-FRONT Y-FRONT CV-FRONT CV-F-SENSE...
  • Page 52 TP48 TP50 2.2K RM2204 TP20 TP18 TP16...

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