Polaroid TLA-04641C - 46" LCD TV Service Manual

2007 lcd models – north america
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2007 LCD Models – North America
TLA-04641C, 4641-TLXB

SERVICE MANUAL

Bezel covers vary by model
20070605

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Table of Contents
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Summary of Contents for Polaroid TLA-04641C - 46" LCD TV

  • Page 1: Service Manual

    2007 LCD Models – North America TLA-04641C, 4641-TLXB SERVICE MANUAL Bezel covers vary by model 20070605...
  • 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

    Front/Side Control Buttons Removal and Replacement ............... 29 Spare Parts Lists..........................30 Exploded View Diagram ........................31 Block Diagram ..........................32 Schematics............................. 33 PCB Layout Diagrams ........................42 Model Specifications are located in User Manual. Go to polaroid.com to obtain User Manual. www.polaroid.com...
  • Page 6: Specifications

    Analog HD15 Video Signal (YPbPr/YCbCr) Format Y, Pb, Pr or Y, Cb, Cr Level / Impedance Y: 1.0Vp-p / 75Ω Pb/Cb, Pr/Cr: 0.7 ± 0.035Vp-p / 75Ω Power Source AC100 – 240 V, 60/50 Hz Sound Output 10W X2, 8 Ohm. www.polaroid.com...
  • Page 7 HDTV 720p 1280x720 50.0 74.2 HDTV 1080i 1920x1080 33.7 74.2 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 8: Operation

    2. Operation www.polaroid.com...
  • Page 9 www.polaroid.com...
  • Page 10: Remote Control

    Remote Control www.polaroid.com...
  • Page 11 www.polaroid.com...
  • Page 12 PCM / OFF / Dolby Digital. Audio Language English / Spanish / Allows the selection of the audio French language: English / Spanish / French. Speaker Allows the selection of turning the TV speakers on or off. www.polaroid.com...
  • Page 13 Input the old password first, and then input your new password. Gamma Allows for the adjustment of the display’s gamma correction. It fine tunes both brightness and the red / green / blue ratios: On / Off / Middle. Reset Default Restores factory settings. 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

    Never insert any objects into the vent holes in the TV case. Remove 6 screws (A) from the TV Stand. Remove 3 screws (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

    Note: OEM LCD panels were used in production. The following LCD panel disassembly/removal instructions may not apply to all models. Ensure LCD panel is completely detached from the bezel before removing so the bezel is not damaged. Remove 6 screws (A) from the rear cabinet cover. www.polaroid.com...
  • Page 24 Remove 6 screws (A) from between the bezel and rear cabinet cover, and remove the rear cabinet cover from the Remove 9 screws (A) from the stand bracket and remove the stand bracket. www.polaroid.com...
  • Page 25 Remove the aluminum foil (A) from the panel and SAVE for reassembly. Remove the brackets (B). Remove 2 screws (A). Disconnect the D-Sub Board (B). Remove 4 screws (A) from the side bracket. www.polaroid.com...
  • Page 26 Remove 4 screws (A) from between the bracket and front bezel. Remove 4 screws (A) from one end of the support brackets. Remove 4 screws (A) from the other end of the support brackets. www.polaroid.com...
  • Page 27 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. T procedure ensures that the chassis will not cause electric shock. www.polaroid.com...
  • Page 28: 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 29: 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 30: Spare Parts Lists

    7. Spare Parts Lists Note: Reseat all cables, check fuse by AC plug, perform a clear or reset in factory mode and retest before ordering parts. Polaroid Model TLA-04641C Part Number Description 125-000-375POLAH POLAROID LOGO 151-002-JL468UH 46 REAR CABINET 151-700-GF4611UAH...
  • Page 31: Exploded View Diagram

    8. Exploded View Diagram www.polaroid.com...
  • Page 32: Block Diagram

    9. Block Diagram www.polaroid.com...
  • Page 33: Schematics

    Schematics Power www.polaroid.com...
  • Page 34 VGA Input www.polaroid.com...
  • Page 35 YPBR Input www.polaroid.com...
  • Page 36 HDMI Input www.polaroid.com www.polaroid.com...
  • Page 37 AV / SV Input www.polaroid.com...
  • Page 38 Tuner Input www.polaroid.com www.polaroid.com...
  • Page 39 IR Sensor/LED Board www.polaroid.com...
  • Page 40 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 41 Signal Connector Pin Assignment Assignment Assignment Assignment Red Ground Ground Green Green Ground Horizontal Blue Blue Ground Sync. Vertical Ground Not Connected Sync. Self Test Sync. Ground www.polaroid.com...
  • Page 42: 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 43 D-SUB 37 Pin Board (Component Side Top) www.polaroid.com...

This manual is also suitable for:

4641-tlxb

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