Toshiba 32AV500U Service Manual
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Also See for 32AV500U:
- Specifications (2 pages) ,
- Owner's manual (57 pages) ,
- Owner's manual (55 pages)
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SERVICE MANUAL
For Technical Bulletins, Technical Tips, or other information regarding the
service of this model, visit the Toshiba America Consumer Products National
Service Division website at:
This model is classified as a
This Service Manual describes replacement parts for the green product. When repairing this
green product, use the part(s) described in this manual and
For (*1) and (*2), refer to
SOLDER.
© TOSHIBA CORPORATION 2009
LCD Color Television
32AV500U
www7.toshiba.com
green product
(*1), as indicated by the underlined serial number.
Rev.2
(*2).
LEAD-FREE
and
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Table of Contents
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Summary of Contents for Toshiba 32AV500U
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Page 1: Service Manual
SERVICE MANUAL LCD Color Television 32AV500U Rev.2 For Technical Bulletins, Technical Tips, or other information regarding the service of this model, visit the Toshiba America Consumer Products National Service Division website at: www7.toshiba.com This model is classified as a green product (*1), as indicated by the underlined serial number. - Page 2 EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Toshiba shall not be liable for any damages, losses, expenses or costs, if any, incurred in connection with or as a result of use of any information or data provided herein.
- Page 3 that have these same characteristics. Use only the specified parts when the mark is indicated in the circuit diagram or parts list. Part mounting and wire routing should be the same as that used originally. For safety purposes, insulating materials such as isolation tubes or tape are sometimes used and printed circuit boards are sometimes mounted floating.
- Page 4 fluid should contact the skin or clothing, wipe off with alcohol, etc., and rinse thoroughly with water. If the fluid should enter the eyes, immediately rinse the eyes thoroughly with running water. When attaching the LCD module to the LCD cover, position it appropriately and fasten at the position where the display can be viewed most conveniently.
- Page 5 CMOS-LSI circuitry is used in the LCD module, so avoid damage due to static electricity. When handling the module, use a wrist ground or anchor ground. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for extended periods. Do not store the LCD module below the temperature conditions described in the specifications.
- Page 6 Chassis Layout 26 Inch Manual Controls P203 - PS Output to Display (Not Used) CN5 -LVDS to Display CN1 - Manual Controls/IR CN3 - Supply Input P202 - PS Output to Display Inverter CN6 Side Jack P201 - PS Output CN4 Speaker Front Jack CN1 - Inverter Supply...
- Page 7 Chassis Layout 32 Inch Power Supply Generates: Standby 5 V Switched Chassis and Display P203 - PS Sources Output to Display P202 - PS Output to Display CN1 - Manual Controls and Remote Receiver P201 - PS Output CN5 -LVDS to Display CN3 - Supply Input CN4 –...
- Page 8 . To remove chassis assembly from display: Remove 8 screws from sides of chassis assembly. *Be sure to unplug manual Remove 4 screws into bezel at top and 4 control cable as back is at bottom. removed. CONTROL LVDS *IR/LED PCB must be removed from bezel .
- Page 9 Power Supply: Standby 5V Switched Chassis and Inverter P203 (12P) Display Sources Inverter P202 (14P) P201 (16P) CN1 (14P) CN5 (30P) CN4 (4P) CN3 (16P) Manual LVDS Speakers Controls/IR Power Receiver Supply Power Distribution - L4 Product Main/Writing: Analog/Digital Blue Italic Indicates Standby Voltages* signal processing –...
- Page 10 Power board Panel module Keypad Main Board Keypad-7P KEY/IR -14P LVDS -2x15P AX094B002A PWR_KEY PWR_KEY PANEL-FX15S-41S-0.5SH MENU MENU VLCD Tx4+ VLCD VOL+ VOL+ Tx4- Power supply - 16P Power supply -16P Inverter -14P Inverter -14P VOL- VOL- VLCD INPUT/EXIT INPUT/EXIT Tx3+ +24Vinv +24Vinv...
- Page 11 KEYPED ATSC/NTSC RF TUNER IR/LED ENG36E32KF WT61P7 POWER BOARD S/PDIF AV/SV VIDEO AV/SV AUDIO SPEAKER TPA3100D2-HTQFP SIDE AV VIDEO SIDE AV AUDIO AUDIO DAC/SW AUDIO OUT AK4682EQ SCALER LVDS OUT ZR39770 COMPONENT 1 VIDEO DDR 32Mx16 COMPONENT 1 AUDIO HY5PS121621CFP COMPONENT SW COMPONENT 2 VIDEO BA7657F...
- Page 13 Dead Set No Sound/ No Picture 5 VDC present at pin 10 of P201 on the power supply module when AC is applied? Does a 4.3 volt on off signal appear at pin Suspect a problem with 13 of P201 when the the standby 5 volt supply on/off button is on the power supply supply...
- Page 14 Troubleshoot for replacement. Digital photo display clear and backlight problelms. normal? may be requested. Contact Replace Toshiba at www7.tacp.com Using the the Main power distribution for warranty authorization Module. diagram, are the voltages normal at P201 of the power supply...
- Page 15 LCD panel replacement. Digital photo If it is may be requested. available , try one or Contact Toshiba at both CCF inverters. If 24 VDC present this does not help, www7.tacp.com for at pins 1 through 5 of...
- Page 16 No or distorted Audio Distorted No Sound Is there no sound or is the audio distorted? Using the remote or the manual keyboard, access the audio menu. Select reset. Does the volume return? Does the power supply generate the audio Problem supply voltages (12VDC solved.
- Page 17 Follow the Service manual using the correct model number for detailed Service Mode instructions.
- Page 18 Firmware Update See addendum for Procedure...
- Page 19 Training Attachment 32AV500U Running Panel Change 75007870 75011933 Power PCB...
- Page 20 INSTRUCTION NOTICE (INST2008-011) PART NUMBER: 2008FWKT01 ”2008 SERVICE FIRMWARE UPDATE TOOL” TOSHIBA LCD MODELS: 19AV500U, 26AV500U, 32AV500U, 37AV500U, 42AV500U SUBJECT: Firmware Update Procedure Use the following procedure to update firmware for Models 19AV500U, 26AV500U, 32AV500U, 37AV500U and 42AV500U Required Tools:...
- Page 21 5. Select “Setup” from the iDev application. 6. Select the Serial Port of which your USB to Serial Adapter is connected. (Note: when using the USB to Serial Adapter the Com ports are assigned by the operating system. Identify the correct COM port using your device manager in windows as reference.
- Page 22 10. Select Open Select “Update File” for the model being 11. Select “Ok” 12. Select “down” to start the download process.
- Page 23 13. The Download image application will start and a message will indicate “Waiting for ping” Proceed to Section B “Upgrading the Firmware” procedure. B. Upgrading the Firmware Procedure 1. Remove AC power from the TV receiver 2. Connect the Serial Cable to the “Service Port” at the rear of the LCD TV receiver. Connect the Serial Cable to the USB to Serial Adapter between the Serial Cable and the PC USB port as shown below.
- Page 24 Product Safety Precautions: Product Safety Precautions are described in the Toshiba service manual(s) for models covered in this instruction. All safety precautions and checks shall be complied with before returning the equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury.
- Page 25 PRIMARY SECONDARY SC101 SC101 F101 F101 TH101 TH101 LF102 LF102 L601 L601 LF101 LF101 R101 R101 BD101 BD101 D201 D201 L201 L201 C601 C601 C602 C602 +24Vinv/4.0A +24V +24V R109 R109 R108 R108 R107 R107 R122 R122 D102 D102 VA101 VA101 R102 R102...
- Page 26 Replacement Parts List Location Part No. Description E100 75011269 PC BOARD ASSY, IR/B VTV-IR3705 STV32T, 39C00651L01 E101 75011271 PC BOARD ASSY, SIDE-IO VTV-IO3705 STV37T, 39C00651L03 E102 75005729 REMOCON HAND UNIT, CT-90275 E103 75011273 PC BOARD ASSY, KEY/B VTV-K3705 STV37T A, 39C00651L06 E104 75011281 POWER CORD, SP305X1.5MXIS14 SV, 39C00651L14 E105 75011287 H-CON SET, TV32T MB CN4-SPK W, 39C00751L01...
- Page 27 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...