Toshiba 22AV733F Service Manual
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Toshiba 22AV733F Service Manual

Lcd color television
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SERVICE MANUAL
LCD Color Television
22AV733F
Ver. 2.00
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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Summary of Contents for Toshiba 22AV733F

  • 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...

  • Page 2: 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 3: Internet Explorer Settings

    IMPORTANT NOTICE User's Guide Contents: Install Autodesk DWF Viewer Internet Explorer Settings Operating Environment Functions Provided on Each Drawing Page Using with Network Install Autodesk DWF Viewer Autodesk DWF Viewer is necessary to view drawings and to activate the functions of this system. Please download and install.
  • Page 4 for Internet Explorer 7 for Windows Vista...

  • Page 5: Operating Environment

    Operating Environment : Pentium III or higher recommended Monitor : 1024 x 768 or higher resolution recommended Mouse : A mouse with wheel recommended : Microsoft Windows 2000 SP4 / XP / Vista Browser Microsoft Internet Explorer 6.0 / 7.0 Drawing viewer : Autodesk DWF Viewer 6.0 / 7.0 * Use the software following respective license terms and conditions.
  • Page 6 ZEUS Engine Program Ver.2 and ZEUS Service Manual Ver.2 are to be modified. Perform the procedure described below. Preparation 1. Run the program file zuesFPch.exe to install the program file for File-Path to the Local PC. -> Download zeusFPch_setup.zip (2.3MB) 2.
  • Page 7 1. Whenever changing the file-path of both ZEUS Engine Program and ZEUS Service Manual to use with network, pay the attention to set the "Exchange to" column that should have a proper relation between ZEUS Engine Program and ZEUS Service Manual with referring the following. Run the zeusFPch and set "Exchange to"...
  • Page 8 4. Run the ZeusFPch to change the path in the ZEUS Service Manual Ver2. 5. Set unzipped ZEUS Service Manual in the created folder in the server to the "Target Folder", and then press "START". (This procedure is required whenever placing service manual.) Confirmation Confirm that service manual on the server can be operated normally by client PC.
  • Page 9 Through WEB, ver. 6.5 has been released but with it, the linking function in this manual may not work properly. If ver. 6.5 has been installed, uninstall it and reinstall ver. 6.0. To get ver. 6.0, click the icon, or contact to the nearest Toshiba Service Centre for further assistance. Freezing windows opened (Cannot close the open windows) This may happen occasionally.

  • Page 10: 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 11: Lead-Free Solder

    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 12: Safety Instruction

    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 13: Touch Current

    10. Touch current check. (After completing the work, measure touch current to prevent an electric shock.) Plug the AC cord directly into the AC outlet. Do NOT use an isolation transformer for this check. Connect a measuring network for touch currents between each exposed metallic part on the set and a good earth ground such as a water pipe.
  • Page 14 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. Replacement parts which have these special safety characteristics are identified in this manual and its supplements; electrical components having such features are identified by the international hazard symbols on the schematic diagram and the parts list.

  • Page 15: Handling The Lcd Module

    SAFETY INSTRUCTION Handling the LCD Module Safety Precaution In the event that the screen is damaged or the liquid crystal (fluid) leaks, do not breathe in or drink this fluid. Also, never touch this fluid. Such actions could cause toxicity or skin irritation. If this fluid should enter the mouth, rinse the mouth thoroughly with water.
  • Page 16 result in discoloration or stripes. Immediately remove any type of fluid from the screen. 5. Glass is used in the panel, so do not drop or strike with hard objects. Such actions can damage the panel. 6. CMOS-LSI circuitry is used in the LCD module, so avoid damage due to static electricity.
  • Page 17 10. When transporting the LCD module, do not use packing containing epoxy resin (amine) or silicon resin (alcohol or oxim). The gas generated by these materials can cause loss of polarity.

  • Page 18: Lcd Panel

    LCD PANEL T-COM Board 30P / 1.25mm CN903 CN902 CN501 POWER CN763 Power Board Inverter Main Board Board VOL+ VOL- MENU SOURCE SPEAKER LOGO LED SPEAKER Only for 32"/37"/40"...
  • Page 19 IFS P/N IFT P/N IF P/N TV TU103 Tuner 19"/22" WXGA U101 To Panel IFC P/N ENV57S01D8F DVB-C Si2163 TS IN U102 DATA/ADDR TS In PCMCIA CI Controller TS OUT U403 TS Out MT8295BNE DDR2 32MB x 16 I/O 0_7 Side I/O CVBS CVBS1...

  • Page 20: Main Board

    PANEL(TCON) CN902 CN601 CN401 CN701 CN408 ROUT- INVERTER_ON_OFF +16V ROUT+ LED_R CN801 BRIGHT_ADJ +16V LOUT- LED_G +5V_STB LOUT+ CN802 LED_POWER +5V_STB _OFF LED_POWER CN803 DV33SB CN804 + 18V CK2N PS_ON OIRI + 18 V CK2P Light Sensor AC_DETECT POWER BOARD DV33SB (715G3721) CN901...

  • Page 21: Schematic Diagram

    SCHEMATIC DIAGRAM Precaution WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION" FOR DIRECT VIEW CTV ONLY, "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" OF THIS MANUAL. CAUTION: The international hazard symbols " " in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.

  • Page 22: Dc Power Input

    2K10 TOP BIG SERIAL MODEL MT5361 (LQFP) (DDR1)- 2 LAYERS OPWRSB OPWRSB ACD_control ACD_control BRIGHT_ADJ BRIGHT_ADJ +18V +18V_A INVERTER_ON_OFF INVERTER_ON_OFF BRIGHT_ADJ: INVERTER_ON_OFF: R702 R702 NC/0 OHM +-5% 1/4W NC/0 OHM +-5% 1/4W Normal:Max:+3V3, Min:0V Normal: High OPWRSB(+5V_SW ON/OFF): DC POWER INPUT Stand_By:0V Stand_By: Low Normal: High...
  • Page 23 DV33 +5V_SW 0R05 1/4W 0R05 1/4W +5V_STB TO DV33SB DV33 TO AV125 FOR Panel VCC 5V PANEL_VCC R719 R719 U702 G1117T63Uf U702 G1117T63Uf AV125 +5V_STB DV33SB AV25 NC/0R05 1/4W NC/0R05 1/4W U701 U701 VOUT Q706 Q706 R720 R720 VOUT(heat sink) PANEL_VCC C720 C720...
  • Page 24 DRAM DRAM Power DDRV U403 U403 U401D U401D RDQ3 RDQ0 RDQ7 VCC2IO RDQ4 RDQ1 DV33 U402 U402 DDRV RDQ6 VCC2IO RDQ1 RDQ2 G1084T43Uf G1084T43Uf RDQ5 VCC2IO RDQ6 RDQ3 RDQ4 VCC2IO VOUT RDQ5 RDQ4 RDQ3 VCC2IO RDQ2 RDQ5 RDQ2 VCC2IO RDQ0 RDQ6 C402 C402...
  • Page 25 U401I U401I JTMS GPIO_0 DV33 SYSTEM EEPROM JTMS GPIO0 JTDI GPIO_1 DV33SB +5V_STB JTDI GPIO1 JTDO PANEL_VCC_ON/OFF JTDO GPIO2 JTCK BKL_ON JTCK GPIO3 JTRST# GPIO_4 JTRST_ GPIO4 LED_POWER_ON IIC ADDRESS "A0" GPIO5 USB_DM GPIO_6 C471 C471 USB_DM0 GPIO6 USB_DP GPIO_7 R446 R446 R447...
  • Page 26 DV11 U401F U401F DV33 U404 U404 POCE1# DV33 16MB Nand Flash POCE1_ VCCK PDD0 POCE0# PDD0 VCCK PDD1 PDD0 DV33 PDD1 VCCK HOLD PDD2 FRESET# POOE# U405 U405 DV33 PDD2 VCCK PDD3 PDD1 PDD3 VCCK PDD4 R414 R414 C431 C431 PDD4 VCCK PDD5...
  • Page 27 PCB LAYOUT: Place all decoupling DV33 capacitors (0.1uf)as close to the pin as HDMI BYPASS CAP. possible. VCC33_SW VCC33_SW VCC33_SW VCC33_SW FB501 FB501 AV33 120R/500mA 120R/500mA NEAR IC C517 C517 C503 C503 C504 C504 C505 C505 C506 C506 C501 C501 C507 C507 C508...
  • Page 28 YPbPr1 Video Input R1155 R1155 R1153 R1153 C1146 4700P 50V C1146 4700P 50V SOY1 CN111B CN111B 27K 1/16W 5% 27K 1/16W 5% NEARLY YPBPR CON. C1144 C1144 10U 10V 10U 10V AIN4_L FB12080 OHM FB12080 OHM 0R05 1/16W 0R05 1/16W CN111A CN111A R1156...
  • Page 29 U401E U401E VGA CONNECTOR Close VGA CON. CLOSE MT5361 R1132 R1132 VSYNC AVDD33_CVBS VSYNC AVDD33_CVBS 0R05 1/16W 0R05 1/16W HSYNC CVBS1N CN101 CN101 HSYNC CVBS0N C1120 C1120 4700P 50V 4700P 50V TP106 TP106 CVBS0P L111 L111 +5V_STB_E CVBS1P D-SUB 15P D-SUB 15P CVBS1P VGA_DET...
  • Page 30 NEARLY AV/SV CON. NEARLY IC CVBS1P CVBS1P R102 R102 CVBS1N CVBS1N 0R05 1/10W 0R05 1/10W R103 R103 AV1_IN C102 C102 47N16V 47N16V CVBS1P AIN5_R AIN5_R CN121 CN121 AIN5_L AIN5_L AV1_IN R104 R104 100OHM1/16W 100OHM1/16W 75R 1/16W 1% 75R 1/16W 1% DVD_RIN R105 R105...
  • Page 31 LED_EPG_RED NEARLY IC NEARLY CONNECTOR LED_EPG_RED LED_EPG_GREEN L102 L102 R184 R184 COM0 COM0 U401J U401J LED_EPG_GREEN 1.8uH 1.8uH 0R05 1/16W 0R05 1/16W LED_POWER_OFF PB0P Near IC LED_POWER_OFF PB0P DACOUT1 SCT1_AV_OUT AV33 LED_POWER_ON PR0P LED_POWER_ON PR0P VDAC_OUT1 SOY0 SOY0 VDAC_OUT2 AVDD33_VDAC AVDD33_VDAC OIRI OIRI...
  • Page 32 Near MT8292 C602 C602 U401A U401A 10U 10V 10U 10V R602 R602 C605 C605 R603 R603 AVDD33_AADC AVDD33_ADAC0 AVDD33_AADC AVDD33_ADAC0 AR0O C603 10U 10V C603 10U 10V INPUT2R C604 10U 10V C604 10U 10V SP_AIN_R 10U 10V 10U 10V 0R05 1/10W 0R05 1/10W VIMD_AADC AVDD33_ADAC1...
  • Page 33 OFF_MUTE 12,13 OFF_MUTE CI_GPIO7 CI_GPIO7 CLOSE TO MT8292 CI_GPIO11 CI_GPIO11 R638 R638 R637 R637 27K 1/10W 1% 27K 1/10W 1% C668 C668 SP_AIN_L 1uF 25V 1uF 25V SP_AIN_R SP_AIN_R SP_AIN_L SP_AIN_L U602 U602 100R 1/16W 5% 100R 1/16W 5% SMD/0402 SMD/0402 C669 C669...
  • Page 34 DV33_A Si2163_ADDR X101 X101 16mhz 16mhz IF_AGC IF_AGC Si2163_ADDR AV125 AV_125 CI_GPIO8 FB105 80 OHM FB105 80 OHM CI_GPIO8 DV33_A CI_GPIO8 IF_P+ IF_P+ IF_P- TP101 TP101 IF_P- TS_DATA7 R159 R159 33 OHM 1/10W 33 OHM 1/10W DVB_C_SDA DVB_C_SDA DVB_C_SCL DVB_C_SCL R1166 R1166 TUNER_SDA1...
  • Page 35 Close MT5361 FB109 FB109 AV25 FB111 FB111 +5V_TUNER FB110 FB110 +5V_T +5V_T 220R/2000mA 220R/2000mA U401B U401B AVDD25_IFADC DVDD25_IFADC AVDD33_DIG 120R/500mA 120R/500mA +5V_T3 DVDD25_IFADC AVDD33_DIG DVSS25_IFADC TP103 TP103 220R/2000mA 220R/2000mA DVSS25_IFADC FAT_IN+ C186 C186 C187 C187 C188 C188 C190 C190 C191 C191 C192 C192...
  • Page 36 CI_VCC +5V_SW CI_DV33 ADJUST CI_VCC to +5V FB102 FB102 +5V_SW +5V_SW CI_INPACK# DV33 CI_DV33 DV33 GPIO_6 GPIO_6 +5V_SW R121 R121 GPIO_0 GPIO_0 R122 R122 R123 R123 R125 R125 220R/2000mA 220R/2000mA 10K 1/10W 10K 1/10W CI_VCC U106 U106 R126 R126 R127 R127 10K 1/10W 10K 1/10W...
  • Page 37 AV33 FB402 FB402 NEAR IC U401G U401G BRIGHT_ADJ BRIGHT_ADJ AVDD33_LVDS INVERTER_ON_OFF INVERTER_ON_OFF 120R/500mA 120R/500mA C457 C457 C458 C458 C459 C459 C460 C460 OPWM1 OPWM1 1UF16V 1UF16V 4.7UF 10V 4.7UF 10V 100N 16V 100N 16V 100N 16V 100N 16V BKL_ON BKL_ON CK2N CK1N ECKN...
  • Page 38 R918 100 OHM 1/4W C921 0.001uF +16V R919 L904 100 OHM 1/4W 3.5uH T901 ZD920 R940 Vbus POWER X'FMR GDZJ20B R920 C917 C918 C922 150OHM2W C920 100 OHM 1/4W 1000uF/25V 1000uF/25V 0.1uF 470uF/25V R908 R943 C906 BD901 C905 100K OMH 2W +-5% 470R 1/8W 5% GBU408 100uF/450V...
  • Page 39 CN801 CONN C819 68pF3KV R805 +16V 100R 1/10W 5% C820 CN802 ON/OFF D801 68pF3KV CONN LL4148 PT801 80GL24T 23 DN Q805 POWER X'FMR R806 G1 D1 100R 1/10W 5% C816 D802 L801 IN4148 C824 200mH R804 AO4616 ZD802 R803 ZD803 R831 5.1K 1/10W 5% RLZ5.6B...
  • Page 40 POWER 1.04V 2.44V 1.73V SW001 SW002 SW003 CN001 Key1 key2 CONN ----><----| ----><----| ----><----| C016 C017 C018 C024 C023 NC/100N 50V NC/100N 50V NC/100N 50V NC/100N 50V NC/100N 50V R020 R021 R022 4.3KOHM +-1% 1/10W 11K OHM +-1% 1/10W 1.8K1/10W SOURCE MENU VOL-...
  • Page 41 DV33SB LED_EPG_GREEN LED_EPG_YELLOW CN201 LED_TIME_GREEN C302 LED_POWER_OFF LED_POWER_ON NC/1U 10V R310 R311 1.2K 1/10W R303 R304 R305 DV33SB NC/750OHM +-5% 1/10W NC/750OHM +-5% 1/10W 750OHM +-5% 1/10W 1.5K 1/10W LIGHT_SENSOR U203 CONN LED301 C203 NC/LED LED302 Green NC/100N 50V Green Yellow Green LED_EPG_GREEN...
  • Page 42 MAIN [Top]...
  • Page 43 POWER [Top]...
  • Page 44 KEY [Top]...
  • Page 45 IR [Top]...

  • Page 46: Firmware Updating

    FIRMWARE UPDATING Software updating procedure (using USB Mass-storage device) 1. Copy APP code upgrade.pkg to USB flash disk (root folder). Figure 1 USB Mass-storage device 2. Plug the USB device into the USB slot on the TV. Figure 2 USB slot 3.
  • Page 47 Figure 5 Unplug USB flash disk 6. Press "MENU" button, then press "0000" on the remote control to check the firmware version. Figure 6 Software version checking display...
  • Page 48 TECHNICAL BULLETIN File Name Title issuing date...

  • Page 50: Parts List

    PARTS LIST Precaution WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY PRECAUTION" "PRODUCT SAFETY NOTICE". CAUTION: The international hazard symbols " " in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
  • Page 51 PARTS LIST ↓Select Block : Search 1 / 1 Jump Page : Jump Location : Search Parts No. :...
  • Page 52 PARTS LIST All Block Block : Block Location Parts No. Description Electric Parts E200 75018461 PC BOARD ASSY, MAIN WITH FW, CBPF94ABAE Electric Parts E250 75018439 PC BOARD ASSY, POWER, PWTV9C41MAAF Electric Parts E260 75018420 PC BOARD ASSY, KEY, KEPF9AB3 Electric Parts E270 75018421 PC BOARD ASSY, IR, T2992-C-X-X-1-080428, IRPF9AB4...
  • Page 53 PARTS LIST Electric Parts Block : Search 1 / 1 Jump Page : Jump Location : Search Parts No. : Block Location Parts No. Description Electric Parts E200 75018461 PC BOARD ASSY, MAIN WITH FW, CBPF94ABAE Electric Parts E250 75018439 PC BOARD ASSY, POWER, PWTV9C41MAAF Electric Parts E260 75018420 PC BOARD ASSY, KEY, KEPF9AB3...
  • Page 54 PARTS LIST Accessory Block : Search 1 / 1 Jump Page : Jump Location : Search Parts No. : Block Location Parts No. Description Accessory E400 75014827 REMOCON HAND UNIT, CT-90326 Accessory E410 75018431 DFU ASSY, 705TZ94125A...
  • Page 55 PARTS LIST Cabinet Block : Search 1 / 1 Jump Page : Jump Location : Search Parts No. : Block Location Parts No. Description Cabinet E100 75018460 FRONT BEZEL ASSY, 705TZA3447A Cabinet E110 75018437 BACK COVER ASSY, 705TZ93430A Cabinet E112 75018880 SCREW, (BC TO FB SCREW), 0G1T1030-10-47-CR3 Cabinet E114...
  • Page 56 PARTS LIST Packing Block : Search 1 / 1 Jump Page : Jump Location : Search Parts No. : Block Location Parts No. Description Packing E500 75018457 CARTON BOX, FOR 22, Z44GC017939-1A Packing E510 75018458 CUSHION-T, Z44GC008101 Packing E511 75018459 CUSHION-B, Z44GC008201 Packing E515 75017394 HANDLE ASSY, 19AV625D, 705GZ9SK120...

  • Page 57: Function And Operation

    FUNCTION AND OPERATION The Remote Control Simple at-a-glance reference of your remote control.

  • Page 58: Using The Controls

    FUNCTION AND OPERATION Using the Controls While all the necessary adjustments and controls for the television are done using the remote control, the buttons on the television may be used for some functions. NOTE: COMMON INTERFACE (CI) The common interface is for a Conditional Access Module (CAM). Contact a service provider for details.

  • Page 59: Tuning The Television

    FUNCTION AND OPERATION Tuning the Television Before switching on the television, put your decoder and media recorder to Standby if they are connected. Make sure to connect the aerial cable, and select TV as the input source. To set up the television, use the buttons on the remote control. Initial Setup...

  • Page 61: Specification

    SPECIFICATION This television complies with the specification listed below. Design and specifications are subject to change without notice.

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