Polaroid FLM-4234BH Service Manual
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Polaroid FLM-4234BH Service Manual

Polaroid FLM-4234BH Service Manual

Service manual
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2006 LCD Models – North America
FLM-4034B, FLM-4232HM, FLM-4234BH

SERVICE MANUAL

Bezel covers vary by model
20070415

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Summary of Contents for Polaroid FLM-4234BH

  • Page 1: Service Manual

    2006 LCD Models – North America FLM-4034B, FLM-4232HM, FLM-4234BH SERVICE MANUAL Bezel covers vary by model 20070415...
  • Page 2 If the product has been dropped or the cabinet has been damaged. f. If the product exhibits a distinct change in performance, indicating a need for service. www.polaroid.com...
  • Page 3 Replacing individual parts with components rated for higher voltage or wattage can be dangerous! Replacement parts must always be identical to those originally used in the television. Unauthorized substitute parts may result in fire, electric shock, or other hazards. www.polaroid.com...
  • Page 4 Because lead-free solder contains a higher concentration of tin, the tip of the soldering bit may be easily corroded or damaged. Do not leave the bit powered on for extended periods. When the tip of the soldering bit is blackened during use, clean the bit with steel wool or fine sandpaper. www.polaroid.com...

  • Page 5: Table Of Contents

    Stand and Control Box Removal – All Models ................21 Rear Cabinet Cover, LCD Panel and Front Bezel – FLM-4034B............. 23 Rear Cabinet Cover, LCD Panel and Front Bezel – FLM-4232HM, FLM4234BH ......27 A/V Board Removal and Replacement ..................32 IR Board Removal and Replacement ..................

  • Page 6: Operation

    1. Operation www.polaroid.com...
  • Page 7 www.polaroid.com...
  • Page 8 Original Remote Control www.polaroid.com...
  • Page 9 www.polaroid.com...
  • Page 10 New Remote Control www.polaroid.com...
  • Page 11 www.polaroid.com...
  • Page 12 Input the channel No. for desired TV program. Activate On/Off/Once Display On/Off Set the timer alarm on/off. Auto Sleep 30,60,90,120 Min Preset the auto sleep time. The TV will automatically go into standby state when the preset time is up. Set auto sleep function off. www.polaroid.com...
  • Page 13 OFF,CC1,CC2,CC3,CC4,TEXT1,TEXT2, TEXT3 and TEXT4. Digital Closed Set the digital closed caption value to Caption OFF, Service1, Service2, Service3, Service4, Service5 and Service6. Digital Caption To set the values of caption style. Style Block Channel To setup the block channel. www.polaroid.com...

  • Page 14: Troubleshooting / Flow Charts

    The Picture-in-Picture will not work using Component 1 and Component 2 as the input sources. Factory Mode Procedure Power on TV. Press volume up and channel up buttons on the TV simultaneously and release. Power off TV with remote or power button to exit. www.polaroid.com...
  • Page 15 www.polaroid.com...
  • Page 16 www.polaroid.com...
  • Page 17 www.polaroid.com...

  • Page 18: Polaroid Display Cell Defect Specification

    The Polaroid Display Cell Defect Specifications below define the allowed limits for display cell defects and are used as the criteria in determining whether an LCD panel is replaced. 7 or more defective pixels across the entire LCD screen Polaroid will repair (replace LCD panel) or replace the www.polaroid.com...

  • Page 19: Before Returning This Product To The User

    PRODUCT TO THE USER! e. Repeat the above checks with the AC polarity reversed. A non-polarized adapter is required to reverse the polarity; DO NOT LEAVE THIS ADAPTER WITH THE USER! Under normal operation the product must use the proper polarity. www.polaroid.com...

  • Page 20: Disassembly Procedure

    Wear a grounding wrist strap (available at most electronics stores) and attach it to a bare metal part of your workbench or other grounded connection. • Touch a bare metal surface on your workbench or other grounded object before touching any components. www.polaroid.com...

  • Page 21: Stand And Control Box Removal - All Models

    Never insert any objects into the vent holes in the TV case. Remove 6 screws (A) from the TV Stand. Remove the screw (A) from the Control Box Cover, and remove the Cover from the TV. www.polaroid.com...
  • Page 22 Note: Before returning this product to the end user, you must follow the steps outlined in the section, Before Returning This Product to the User, on page 19. This procedure ensures that the chassis will not cause electric shock. www.polaroid.com...

  • Page 23: Rear Cabinet Cover, Lcd Panel And Front Bezel - Flm-4034B

    Remove 7 screws (A) from the rear cabinet cover. Remove 7 screws (A) from the rear cabinet cover, and remove the rear cabinet cover from the TV. www.polaroid.com...
  • Page 24 From the D-sub board, remove the Speaker wires, Front/Side Control Button wire, LCD Panel wire, and A/V wire. Speaker Wire Front/Side Control Button A/V Wire D-sub board LCD Panel Wire Black Tape Remove the black tape from the Speaker wire and Ceramic ring (PIC2) and SAVE for reassembly. www.polaroid.com...
  • Page 25 Remove 8 screws (A) and remove the stand support frame from the TV. Remove 4 screws (A) from the left side frame support. Remove 4 screws (A) from the right side frame support. www.polaroid.com...
  • Page 26 Note: Before returning this product to the end user, you must follow the steps outlined in the section, Before Returning This Product to the User, on page 19. This procedure ensures that the chassis will not cause electric shock. www.polaroid.com...

  • Page 27: Rear Cabinet Cover, Lcd Panel And Front Bezel - Flm-4232Hm, Flm4234Bh

    Rear Cabinet Cover, LCD Panel and Front Bezel – FLM-4232HM, FLM4234BH Note: Before disassembly of any part the TV, make sure the power is OFF, and the power cord is removed from the wall outlet. Allow time for power within all system boards to discharge before you begin disassembly.
  • Page 28 From the D-sub board, remove the Speaker wires, Front/Side Control Button wire, LCD Panel wire, and A/V wire. Speaker Wire Front/Side Control Button A/V Wire D-sub board LCD Panel Wire Black Tape Remove the black tape from the Speaker wire and Ceramic ring (PIC2) and SAVE for reassembly. www.polaroid.com...
  • Page 29 Remove 12 screws (A) and remove the stand support frame from the TV. Remove 6 screws (A) from the left side frame support. Remove 6 screws (A) from the right side frame support. www.polaroid.com...
  • Page 30 Remove 6 screws (A) from the right side frame support. Close-up of screws in frame support (2 screws in each slot). (11) Remove 2 screws (A) from the left and right frame supports (4 total), and remove both frame supports from the www.polaroid.com...
  • Page 31 Note: Before returning this product to the end user, you must follow the steps outlined in the section, Before Returning This Product to the User, on page 19. This procedure ensures that the chassis will not cause electric shock. www.polaroid.com...

  • Page 32: A/V Board Removal And Replacement

    Note: Before returning this product to the end user, you must follow the steps outlined in the section, Before Returning This Product to the User, on page 19. This procedure ensures that the chassis will not cause electric shock. www.polaroid.com...

  • Page 33: Ir Board Removal And Replacement

    Note: Before returning this product to the end user, you must follow the steps outlined in the section, Before Returning This Product to the User, on page 19. This procedure ensures that the chassis will not cause electric shock. www.polaroid.com...

  • Page 34: Front/Side Control Buttons Removal And Replacement

    Note: Before returning this product to the end user, you must follow the steps outlined in the section, Before Returning This Product to the User, on page 19. This procedure ensures that the chassis will not cause electric shock. www.polaroid.com...

  • Page 35: Spare Parts Lists

    (*) are multiple version parts. The TV serial number Model Version is used to identify the replacement part(s) needed for repair. Below is the Polaroid serial number format breakdown with a sample serial number. Reference the serial number format details below to identify the correct replacement part(s) before placing replacement part orders.
  • Page 36 Polaroid FLM-4034B Part Number Description 600-181-3200-LIH AC Power Cord 621-181-60002H Audio Cable 621-181-2000H Composite Video Cable 621-181-3020P-1H Component Cable 845-C45-GF1XA-PH Remote Control 909-KS0-GF401XA2H Control Box Assembly (Samsung) 899-K00-GF271XAH Front/Side Control Button Bd. 154-501-GF370-AH Front/Side Control Button Cover Silver 899-E00-GF271XAH IR Board 899-A00-GF271XAH Front/Side A/V Input Bd.
  • Page 37 Polaroid FLM-4234BH Model Version* Part Number Description 600-181-3200-LIH AC Power Cord 621-181-60002H Audio Cable 621-181-2000H Composite Video Cable 621-181-3020P-1H Component Cable 845-C45-GF1XA-PH Remote Control 909-KJ0-GF421UA2H Control Box Assembly (CMO L05) 909-KL0-GF4211UA2H Control Box Assembly (LG) 899-K00-GF271XAH Front/Side Control Button Bd.

  • Page 38: Exploded View Diagram

    7. Exploded View Diagram FLM-4034B FLM-4232HM, FLM-4234BH www.polaroid.com...

  • Page 39: Block Diagram

    8. Block Diagram www.polaroid.com...
  • Page 40 www.polaroid.com...

  • Page 41: Schematics

    9. Schematics Power & LDO www.polaroid.com...
  • Page 42 VGA In / LVDS & Back Light www.polaroid.com...
  • Page 43 Audio ADC/DAC & OP www.polaroid.com...
  • Page 44 GPIO & Placement www.polaroid.com...
  • Page 45 Power www.polaroid.com...
  • Page 46 Tuner www.polaroid.com...
  • Page 47 5. Vdd from PC for DDC 10. Sync. GND 15. SCL For DDC1/2B RCA jacks are all female type. Mini DIN CNC 4 Pins (SCN570S3NS00000) for S-video, the pin assignment is described as below: 1: Ground 2: Ground 3: Y 4: C www.polaroid.com...
  • Page 48 Y: 1.0Vp-p / 75Ω Pb/Cb, Pr/Cr: 0.7 ± 0.035Vp-p / 75Ω HDMI Timing V FREQ H FREQ STANDARD RESOLUTION ATSC, 480i 720x480 15.7 ATSC, 480p 720x480 31.5 ATSC, 1080i 1920x1080 33.7 74.2 ATSC, 720p 1280x720 45.0 74.2 ATSC, 576i 720x576 15.6 www.polaroid.com...
  • Page 49 15.625 14.50 SECAM 15.625 14.50 4.43NTSC 15.734 12.65 PAL-M 15.734 12.65 PAL-N 15.625 14.50 HDTV/Component AV Timing SDTV 525i 720x525 15.735 SDTV 625i 720x625 15.625 SDTV 480p 720x480 31.5 HDTV 720p 1280x720 50.0 74.2 HDTV 1080i 1920x1080 33.7 74.2 www.polaroid.com...
  • Page 50 AC100 – 240 V, 60/50 Hz 10W X2, 8 Ohm. Sound Output Signal Connector Pin Assignment Assignment Assignment Assignment Red Ground Ground Green Green Gro und Horizontal Blue Blue Ground Sync. Vertical Ground Not Connected Sync. Self Test Sync. Ground www.polaroid.com...

  • Page 51: Pcb Layout Diagrams

    PCB Layout Diagrams Keypad Board (Component Side Top) Keypad Board (Component Side Bottom) IR/LED Board (Component Side Top) AUX AV Board (Component Side Top) www.polaroid.com...
  • Page 52 D-SUB 37 Pin Board (Component Side Top) www.polaroid.com...

This manual is also suitable for:

Flm-4034bFlm-4232hm

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