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FLM-3201
32" LCD Television
Service Manual
20051205

Summary of Contents

  • Page 1

    32” LCD Television 32" LCD Television FLM-3201 FLM-3201 Service Manual 20051205...

  • Page 2: Table Of Contents

    Functional Board List LCD/Plasma Televisions Please note that this BOM list may vary from the original documentation. This part list supersedes the parts list contained within the body of the service manual. Please reference the part numbers below when ordering replacement boards of the servicing of this model.

  • Page 3: Table Of Contents

    CONTENTS Safety instructions………………………………………………………………………..… Adjustment instruction …………………………….…….…………………………….… Trouble shooting ……………………………………………………….…………………… Method of software upgrading ………………………………………….…….…………… LC-32K5 working principle analysis……………………………….………….…………. LC-32K5 block diagram…………………………………..……………………….………… IC block diagram………………………………………………………………………..…… Main assembly……………………………………………………………………………..… Identification criteria for the bright spot and dark spot of the LCD screen………..…. Wiring diagram ……………………………………………………………..……………... Troubleshooting charts………………………………………………………………..……...

  • Page 4: Safety Instructions

    Attention: This service manual is only for service personnel to take reference with. Before servicing please read the following points carefully. Safety instructions 1. Instructions Be sure to switch off the power supply before replacing or welding any components inserting/plugging in connection wire Anti static measures to be taken (throughout the entire production process!): a) Do not touch here and there by hand at will;...

  • Page 5

    would be unable to work and no way to get it repaired. 2.11 Special care must be taken in transporting or handling it. Exquisite shock vibration may lead to breakage of screen glass or damage to driving circuit. Therefore it must be packed in a strong case before the transportation or handling.

  • Page 6

    Alignment instruction 1 Alignment equipment PM5518 (video signal generator) K-7253 (VGA signal generator) CA210 (white balancer) 2 Alignment flow-chart The alignment flow-chart is shown as fig-1 Check DDC and FLASH To produce CPU board and analog board Check the CPU board and analog board All testing Connect with central signal source, then check each function of TV such as analog control etc., check the output of headphone and speaker...

  • Page 7

    3.1 EEPROM initialization Enter the first page of factory menu, select “clear eeprom” and then press “enter”, shut down the unit after “ok” appears. 3.2 VGA/DVI channel adjustment 3.2.1 Preset VGA channel mode Input VGA signal (PATTERN 5: Final Test) of K-7253, select TIME301(640*350/70Hz), press “AUTO”...

  • Page 8: Trouble Shooting

    the value of the two levels gray-scale be the specified value. 3.4 white balance adjustment YPbPr channel input YpbPr signal of K-7253 to YPbPr-1 terminal, input TIME380(480i) PATTERN471 8 level gray-scale signal, set the value of Hor-width to 23, Ver-width to 5, S-bright to 120 and S-contrast to 140.Enter adjustment menu of white balance, adjust the third level using white balancer.

  • Page 9

    Fringe in picture Check if the antenna is correctly oriented. Maybe there is electric wave reflected from hilltop or building. Picture is interfered by stripe Possibly due to interference from automobile, train, high shaped bright spots voltage transmission line, neon lamp etc. Maybe there is interference between antenna and power supply line.

  • Page 10: Method Of Software Upgrading

    darkest area of the picture Possibly the brightness grade of DVD player (broadcaster) is set too high. No picture or signal produced from the Check if the cable is disconnected. displayer if “XXX in search” appears. Check if it’s connected to the proper terminal or if the input mode is correct.

  • Page 11

    FlashUpgraderNT (use under window 2000/XP/NT) FlashUpgrader (use under window 98), The following interfaces will show up after running the program: Based on the computer features, set up the serial port (COM Port). Select corresponding serial port (if it’s unable to FLASH WRITE, change to another port). Baud is selected to be 115200. Then select Reset Target After Download.

  • Page 12: Lc-32k5 Working Principle Analysis, Lc-32k5 Block Diagram

    LC-32K5 working principle analysis Please refer to LC-32K5 BLOCK DIAGRAM in order to know the working principle of LC-32K5 brief introduction to its signal flow is shown as follows: RF signal produces composite color television signal through TUNER201, the signal together with AV1/SVHS(SVHS priority) and AV2 etc.

  • Page 14: Ic Block Diagram

    IC block diagram 1.MSP3420 Pins description: 2,3 PIN: SCL,SDA applied for control the operation of IC . 27,28 PIN: output left and right sound channel R/L to speaker processor. 36,37 PIN:AV OUT of sound R/L. 47,48 PIN:D4-1/D4-2/PCMCIA selected input R/L. 50,51 PIN:Input of VGA.

  • Page 15

    2.VPC3230 Pins description: 4 PIN: Input U of PCMCIA. 5,73 PIN: Input Y of PCMCIA. 6 PIN: Input V of PCMCIA 31-34, 37-40 PIN: output format signal of. ITU-R656 70 PIN:Video of AV OUT 71 PIN:Input C of SVHS. 72 PIN:input Video (SVHS in priority) of Y or AV1 of SVHS. 74 PIN:input Video of AV2.

  • Page 16

    3.AD9883...

  • Page 17

    4.FLI2310-Simplified Internal Block Diagram...

  • Page 18

    5.JAG-ASM...

  • Page 19

    6.Z86229 Pins description: 7 PIN: VDIEO INPUT 2 PIN: G OUTPUT 3 PIN: B OUTPUT 18 PIN: R OUTPUT 17 PIN: FB OUTPUT...

  • Page 21: Identification Criteria For The Bright Spot And Dark Spot Of The Lcd Screen

    Identification criteria for the bright spot and dark spot of the LCD screen Q’ty allowed Distance between two spots Category criteria 15" 20" 22" 30" 40" 15" 20" 22" 30" 40" One single ≤5 ≤2 ≤5 ≤2 ≤3 spot Bright ≥15mm 2 neighboring ≤2...

  • Page 22: Wiring Diagram

    Wiring diagram board processing speaker board...

  • Page 23: Troubleshooting Charts

    Troubleshooting charts 1. No raster Turn-on power supply, check if the red indicator is light in the STANDBY? blue Check PIN7(12V output) of the Check the indicator in power supply board CN904 turn-on condition Check if the indicator is flicker Non-change color in the sensor control normal condition?

  • Page 24

    2. raster, but no picture Check if the unit Check can operation? channels have signal? Which is no VGA/DVI Replacing CPU Enter factory-menu, signal board operation CLEAR channels EEPROM, then turn YPRPB Replacing off , turn on again , it if CPU board display picture.

  • Page 25

    3.no sound Check if PIN1 is 12V of N04 and N05 Check PIN5 Replacing N04 and PIN8 output of N02 Check power supply Check PIN27 PIN28 output wave of Replacing N02 Check PIN67 wave of N01 Replacing N01 Replacing TUNER01...

  • Page 44

    For service, support and warranty information, visit www.pwwservice.com or call 1-866-396-6322. "Polaroid" and “Polaroid and Pixel” are trademarks of Polaroid Corporation, Waltham, MA, USA. PRINTED ON RECYCLED PAPER RECYCLED PAPER 604-L32K56-00...

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