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SERVICE MANUAL
LCD Color Television
32CV505D
Ver. 2.01
This model is classified as a
green product
(*1), as indicated by the underlined serial number.
This Service Manual describes replacement parts for the green product. When repairing this
green product, use the part(s) described in this manual and
lead-free solder
(*2).
GREEN PRODUCT PROCUREMENT
LEAD-FREE
For (*1) and (*2), refer to
and
SOLDER.
© TOSHIBA CORPORATION
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Related Manuals for Toshiba 32CV505D
Summary of Contents for Toshiba 32CV505D
- Page 1 This Service Manual describes replacement parts for the green product. When repairing this green product, use the part(s) described in this manual and lead-free solder (*2). GREEN PRODUCT PROCUREMENT LEAD-FREE For (*1) and (*2), refer to SOLDER. © TOSHIBA CORPORATION...
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Page 2: Green Product Procurement
Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities. In line with this, Toshiba proactively promotes Green Procurement, and seeks to purchase and use products, parts and materials that have low environmental impacts. -
Page 3: Lead-Free Solder
LEAD-FREE SOLDER Page 1 of 1 LEAD-FREE SOLDER This product is manufactured using lead-free solder as a part of a movement within the consumer products industry at large to be environmentally responsible. Lead-free solder must be used in the servicing and repair of this product. WARNING: This product is manufactured using lead free solder. -
Page 4: Safety Instruction
Page 1 of 4 SAFETY INSTRUCTION WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" INSTRUCTIONS BELOW. Safety Precaution WARNING: SERVICING SHOULD NOT BE ATTEMPTED BY ANYONE UNFAMILIAR WITH THE NECESSARY PRECAUTIONS ON THIS RECEIVER. THE FOLLOWING ARE THE NECESSARY PRECAUTIONS TO BE OBSERVED BEFORE SERVICING THIS CHASSIS. - Page 5 Page 2 of 4 inflammability, voltage resistance, etc. therefore, use only replacement parts that have these same characteristics. Use only the specified parts when the mark is indicated in the circuit diagram or parts list. 7. Parts mounting and routing dressing of wirings should be the same as that used originally.
- Page 6 Page 3 of 4 Resistance values in orms (Ω). V: Voltmeter or oscilloscope (r.m.s. or peak reading) Input resistance : 1 MΩ Input capacitance : 200 pF Frequency range : 15 Hz to 1 MHz and d.c. respectively Note: Appropriate measures should be taken to obtain the correct value in case of non sinusoidal waveforms.
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Page 7: Product Safety Notice
Page 4 of 4 Product Safety Notice Many electrical and mechanical parts in this chassis have special safety-related characteristics. These characteristics are often passed unnoticed by a visual inspection and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. - Page 8 Page 1 of 1 PCB LAYOUT U06A U05A U01A MAIN POWER U03A AS SW U04A LED U04B RMT...
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Page 9: Important Notice
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 10 Digital Block Audio L/R IC651 CVBS Audio Amp PJ700 DVB-CIx1 ITU-R656 IC650 Audio DAC IC100 IC701~IC714 Level sift Donau TC90403FG Logic IC IC107 X8001 MAIN BOARD 256Mbit 20.48MHz Clock DDRSDRAM COFDM Demod EBIF IC110 64Mbit Flash RESET UART IC102 M_TVRESE Reset CLK(27MHz) X1001...
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Page 133: Service Mode
ADJUSTMENT [LCD Color Television] ASIA_EU Page 1 of 20 ADJUSTMENT Service Mode Entering to Service Mode 1. Set VOLUME to minimum and press button once on remote control. ↓ 2. Press button again and hold button down. ↓ Service Mode display 3. - Page 134 ADJUSTMENT [LCD Color Television] ASIA_EU Page 2 of 20 Displaying the Adjustment Menu Press MENU button on TV. Service Mode Press ↑ ↓ Press Adjustment Mode Key Function in the Service Mode The following key entry during display of adjustment menu provides special functions. CAUTION: Never try to perform initialization unless you have changed the memory IC.
- Page 135 ADJUSTMENT [LCD Color Television] ASIA_EU Page 3 of 20 Test signal selection Selection of the adjustment items (on TV or remote control) Change of the data value Volume +/- (on TV or remote control) Adjustment menu mode ON/OFF MENU button (on TV) Initialization of the memory (QA02) CALL + CH button on TV...
- Page 136 ADJUSTMENT [LCD Color Television] ASIA_EU Page 4 of 20 Item Name of adjustment RCUT R CUT OFF GCUT G CUT OFF BCUT B CUT OFF RDRV R DRIVE GDRV G DRIVE BDRV B DRIVE BRTC BRIGHTNESS CENTER COLC COLOR CENTER UVTT BASE BAND TINT CNTX...
- Page 137 ADJUSTMENT [LCD Color Television] ASIA_EU Page 5 of 20 Adjusting the Data Pressing of VOLUME +/- button will change the value of data in the range from 00H to FFH. The variable range depends on the adjusting item. I2C Bus Off Turn off I2C communication between IC700 and IC400.
- Page 138 ADJUSTMENT [LCD Color Television] ASIA_EU Page 6 of 20 Panel option data is subject to OP4 and OP5. Enter to service mode and select menu of OPT4 or OPT5 by pressing P or P during display of adjustment menu. After selecting OPT4 or OPT5, press + or - to set OPT4 or OPT5 value as table below.
- Page 139 ADJUSTMENT [LCD Color Television] ASIA_EU Page 7 of 20 Inch size Backlight Positive Status Logic Negative Backlight Execute Status Check Unexecuted Convert from Bit (Binary) to Hex The table for converting from bit (D7-D0) to hex (0x**). BIT (Binary) High nibble Low nibble...
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Page 140: Exit From Service Mode
ADJUSTMENT [LCD Color Television] ASIA_EU Page 8 of 20 E.g. If Bit D7-0 = 0101 1010, Hex data is 0x5A. Exit from Service Mode Pressing POWER button to turn off the TV once. Initialization of Memory Data of QA02 and Setting Data of Signal Unit After replacing QA02 or signal board, the following initialization is required. - Page 141 ADJUSTMENT [LCD Color Television] ASIA_EU Page 9 of 20 Note: In case initialization by setting wrong MODEL ID is done, there is a possibility of abnormal display. 8) Set I2C check function of TVOP to enable. 9) Check the picture carefully. If necessary, adjust any adjustment item above. Perform "Auto tune"...
- Page 142 ADJUSTMENT [LCD Color Television] ASIA_EU Page 10 of 20 0x26 0x27 0x28 0x29 0x30 0x31 0x32 0x33 Initializing Data setting flowchart after replacing the Signal Unit...
- Page 143 ADJUSTMENT [LCD Color Television] ASIA_EU Page 11 of 20 Test Signal Selection...
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Page 144: Self-Diagnostic Function
ADJUSTMENT [LCD Color Television] ASIA_EU Page 12 of 20 Every pressing of button on the remote control changes the built-in test patterns on screen as described below in Service Mode. Picture Signal Red raster Green raster Blue raster All Black All White Self Diagnostic Function 1. - Page 145 ADJUSTMENT [LCD Color Television] ASIA_EU Page 13 of 20 (1) Firmware : Version information of microprocessor Series name (AAAA) and market area (BB) and software program version (0000) (2) Time : Total hour of turn the TV on. (Unit : H) (3) BL_STATUS : Counter for saving BackLight on error.
- Page 146 ADJUSTMENT [LCD Color Television] ASIA_EU Page 14 of 20 (SCART (S+AV)) (Composite/Component/S) HDMI1 HDMI2 HDMI3 DTV (Digital Only) Version Check Mode 1. Press "9" button twice on remote control during display of adjustment menu in the service mode. The version of main MPU will be checked. 2.
- Page 147 EDID data check item. Display channel numbers depend on HDMI input numbers. OK : EDID data is enable. NG : EDID data is disable. (6) SW Ver Version information of DB software as Toshiba release. (Only digital model.) (7) MW Ver...
- Page 148 ADJUSTMENT [LCD Color Television] ASIA_EU Page 16 of 20 Left side is Application and UI version information of DB software. (Only digital model.) Right side is Firmware (Driver) version information of DB software. (Only digital model.) (8) A/D Adjust A/D adjustment item. --MAIN : It's enable only in double Window model.
- Page 149 ADJUSTMENT [LCD Color Television] ASIA_EU Page 17 of 20 1. Press "9" button thrice on remote control during display of adjustment menu in the service mode. The status of this model will be checked. 2. During Status Check, the following displays are shown. * Status check display and Item are subject to the models.
- Page 150 ADJUSTMENT [LCD Color Television] ASIA_EU Page 18 of 20 (7) SCREEN SIZE : Display the screen size as follows. Exact Scan Wide Super Live 2 Cinema 2 Super Live 1 Cinema 1 Subtitle 14:9 Note: Exact Scan is shown only for 1080p panel model with video input mode except pc. (8) OTHER STATUS : Other status information : Display three numbers of 2 byte data.
- Page 151 ADJUSTMENT [LCD Color Television] ASIA_EU Page 19 of 20 D4 (bit4) All keys except input selector key Disable Enable (Video/TV) D3 (bit3) User remote control operation Disable Enable (Service mode and Supere User mode may possible to setting only) D2 (bit2) Disable SET UP MENU except language.
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Page 152: Led Indication
ADJUSTMENT [LCD Color Television] ASIA_EU Page 20 of 20 DTV option is disable. OPT7 FUNCTION DESCRIPTION 0 (Normal) D7 (bit7) Enable mode that speaker volume will be set in Enable Disable forced when turn ON the main power D6 (bit6) ~ Forced speaker volume 0 ~ 100 [decimal] (Normal: 0) D0 (bit0) -
Page 153: Panel Identification
Page 1 of 1 PANEL IDENTIFICATION Panel Identification If the several panels are alternatively used in the same model without amending the model name, the identification marking will be shown at the last digit of the set serial number on the specification label on the back cover. -
Page 154: Specification
Page 1 of 4 SPECIFICATION... - Page 155 Page 2 of 4...
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Page 158: Function And Operation
Page 1 of 3 FUNCTION AND OPERATION The Remote Control Simple at-a-glance reference of your remote control. - Page 159 Page 2 of 3...
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Page 161: Controls And Input Connections
Page 1 of 2 FUNCTION AND OPERATION Controls and Input Connections A wide variety of external equipment can be connected to the input sockets on the side of the television. Whilst all the necessary adjustments and controls for the television are made using the remote control, the buttons on the television may be used for some functions. -
Page 162: Using The Controls And Connections
Page 2 of 2 Using the Controls and Connections... -
Page 163: Tuning Digital Television
Page 1 of 6 FUNCTION AND OPERATION Tuning Digital Television Before switching on the television put your decoder and media recorder to Standby if they are connected. To set up the television use the buttons on the remote control. Tuning for the First Time... - Page 164 Page 2 of 6...
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Page 165: Digital Auto Tuning
Page 3 of 6 Digital Auto Tuning... - Page 166 Page 4 of 6 Analogue Switch-off Digital Programme Sorting...
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Page 167: Digital Manual Tuning
Page 5 of 6 Digital Manual Tuning... - Page 168 Page 6 of 6...
- Page 169 Page 1 of 6 FUNCTION AND OPERATION Tuning Analogue Mode Quick Setup...
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Page 170: Manual Tune
Page 2 of 6 Manual Tune... - Page 171 Page 3 of 6...
- Page 172 Page 4 of 6...
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Page 173: Using Auto Tuning
Page 5 of 6 Using Auto Tuning... - Page 174 Page 6 of 6...