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FILE NO. 060-200511 SERVICE MANUAL LCD Color Television 32WL58A 32WL58E 32WL58R 32WL58T TOSHIBA CORPORATION 2005 Published in Japan Sep. 2005 (YC)
TABLE OF CONTENTS SERVICE SAFETY PRECAUTIONS ............................ 3 HANDLING THE LCD MODULE ............................5 SERVICE MODE .................................. 7 LOCATION OF CONTROLS ............................... 12 LAYOUT OF MAJOR BOARDS ............................14 MECHANICAL DISASSEMBLY ............................15 EXPLODED VIEW ................................17 PACKING DISASSEMBLY ..............................19 CHASSIS AND CABINET REPLACEMENT PARTS LIST ....................
SERVICE SAFETY PRECAUTIONS • The caution items shown here describe major safety issues and should always be observed. • The meanings of the various indications are as follows. Indicates a hypothetical situation in which service personnel and nearby third parties, or even WARNING end users due to a product defect after the service operation is completed, could possibly be in danger of injury or even death in the event of operational error.
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WARNING • Always advise users to keep children away. There is danger of injury to children from tools, disassembled products, etc. KEEP CHILDREN AWAY • Always disconnect the power plug before starting work whenever power is not required. Failure to disconnect the power plug before starting work can result in electrical shock. UNPLUG •...
HANDLING THE LCD MODULE Safety Precautions 3. If the panel surface becomes soiled, wipe with cotton or a In the event that the screen is damaged or the liquid crystal soft cloth. If this does not remove the soiling, breathe on (fluid) leaks, do not breathe in or drink this fluid.
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7. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for an extended period of time. 8. Do not store the LCD module below the temperature con- ditions described in the specifications. Failure to do so could result in freezing of the liquid crystal due to cold air or loss of resilience or other damage.
SERVICE MODE 1. ENTERING SERVICE MODE 1) Press button once on 2) Press button again and 3) While pressing the button, Remote Control. keep pressing. press MENU button on TV set. or Sound Mute (Service mode display) DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on TV.
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4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL s button in the service mode changes the adjustment items in the order of table-2. (t button for reverse order) 5. ADJUSTING THE DATA 1) 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.
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SELF DIAGNOSTIC FUNCTION 1) Press “9” button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC’s is executed properly. 2) During diagnosis, the following displays are shown. Firmware : Version information of microprocessor In case of file name : WL58_ASIA and Version : 0100 indicates[WL58_ASIA_0100].
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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 begin to check. 2) During Version Check, the following displays are shown. MAIN MPU : Version information of microprocessor In case of file name : WL58_ASIA, Version 0100 for Code Program Version and (E16) for OSD Version indicates [WL58_ASIA_0100(E16)]...
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10. STATUS CHECK MODE 1) Press “9” button thrice on Remote Control during display of adjustment menu in the service mode. The status of this model will begin to check. 2) During Status Check, the following displays are shown. MAIN : Main source information : Display RF position number (0 - 99) on the main screen, or Input Source (EXT1/2/3/HDMI etc.) MAIN FORMAT :...
LOCATION OF CONTROLS TV TOP VIEW TV FRONT VIEW You can swivel the TV screen. Swivel angle: 15 degrees to Top view left and right. / Power switch Remote sensor Input source Volume – + Power Power indicator selection (red) Menu On-timer indicator Program position...
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: To control TV VCR : To control VCR DVD : To control DVD When in VCR or DVD mode: When in Teletext mode: (Only for Toshiba VCR/DVD To reveal concealed text players) To hold a wanted page to EJECT...
LAYOUT OF MAJOR BOARDS U003B FRONT AV BOARD U003G PC HDMI BOARD U003A TN AV BOARD U004 LOW B BOARD U003D KEY BOARD U005 BRIDGE MEDIA BOARD U002A POWER BOARD U001 U003F SIGNAL BOARD POWER SW BOARD U003C U002B RMT LED BOARD AC IN BOARD –...
• • • • • The part number must be used when ordering parts, in order to assist in processing, be sure to include the Model number and Description. • • • • • The PC board assembly with mark is no longer available after the end of the production. Model : 32WL58A/32WL58E/32WL58R/32WL58T Capacitors ..... CD : Ceramic Disk PF : Plastic Film EL : Electrolytic Resistors ....
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Location Parts No. Description Location Parts No. Description C825 76168008 MT PLA 450V 1UF K C8403 76669470 ELECTROLYTIC, 50V 47UF M C826 76092339 CERAMIC DISC, 2KV 330PF K C8490 76669010 ELECTROLYTIC, 50V 1UF M C827 76092339 CERAMIC DISC, 2KV 330PF K C8601 76591682 PLASTIC FILM, 50V 6800PF J C840...
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Location Parts No. Description Location Parts No. Description CS46 76092611 CERAMIC CHIP, 6.3V B 2.2UF K CY650 76109103 CERAMIC CHIP, 50V B 0.01UF K CS47 76092611 CERAMIC CHIP, 6.3V B 2.2UF K CS48 76092611 CERAMIC CHIP, 6.3V B 2.2UF K RESISTORS CS49 76092611 CERAMIC CHIP, 6.3V B 2.2UF K...
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Location Parts No. Description Location Parts No. Description R860 76552271 OXIDE METAL FILM, 1/2W 270 OHM J R8241 76190015 CHIP RES 1/16W 473D R862 76552681 OXIDE METAL FILM, 1/2W 680 OHM J R8242 76190015 CHIP RES 1/16W 473D R863 76011272 CHIP, 1/20W 2.7K OHM J R8243 76190015 CHIP RES 1/16W 473D R864...
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FRONT AV BOARD PD2235B2 (U003B) FRONT AV BOARD PD2235B2 (U003B) BOTTOM (FOIL) SIDE TOP (COMPONENT) SIDE R-HP P602B P602B C607 10 11 12 C607 PV25B PV25B D652 R-1786 DV122 DV122 23590314 D653 DV121 DV121 D653 23547871 PD2235 CV122 DV120 CY650 DV120 CV122 P661...
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AC IN BOARD PD2171A2 (U002B) BOTTOM (FOIL) SIDE GAP3 GAP4 GAP1 GAP2 GAP6 GAP5 P801A P802A T801 T802 23547832 CAUTION E-568 LIVE AREA F801 T6.3AH 250V IS-P C3A POWER SW BOARD PD2235B6 (U003F) POWER SW BOARD PD2235B6 (U003F) BOTTOM (FOIL) SIDE TOP (COMPONENT) SIDE 23547871 PD2235 -6...
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SIGNAL BOARD PD2238E1 (U001) SIGNAL BOARD PD2238E1 (U001) BOTTOM (FOIL) SIDE TOP (COMPONENT) SIDE – 41 – – 42 –...
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SCHEMATIC DIAGRAM MODEL : 32WL58A/32WL58E/32WL58R/32WL58T WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SERVICE SAFETY PRECAUTIONS" ON PAGE 3 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.
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32WL58T : 110V - 240V AC, 50/60Hz Power consumption 32WL58A, 32WL58E, 32WL58R, 32WL58T : 175W, 0.5W (standby) Dimensions 32WL58A, 32WL58E, 32WL58R, 32WL58T : 794 mm (W) × 603 mm (H) × 300 mm (D) Mass (Weight) 32WL58A, 32WL58E, 32WL58R, 32WL58T : 21.5 kg Television system...
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SCHEMATIC DIAGRAM MODEL : 32WL58A/32WL58E/32WL58R/32WL58T WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SERVICE SAFETY PRECAUTIONS" ON PAGE 3 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.
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1-A2 OPEN RD3.3ESAB1 RE35 POWER_SIG 1-A1 RE38 QE86 OPEN OPEN DE32 OPEN RE87 CE35 RE30 OPEN CE36 OPEN OPEN OPEN RE36 CE32 OPEN CE30 CE31 OPEN OPEN OPEN DE31 OPEN OPEN RE37 OPEN PROTECT 1-A1 32WL58A/E/R/T LOW_B (LOWB) SHEET-2/2 (16/80)
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S801 P802D P802C ESB92S21B LOCK 2P BLAK LOCK 2P BLAK 23344483 LINE LINE FROM ACINPUT TO POWER NEUTRAL NEUTRAL 32WL58C POWER SW 32WL58A/E/R/T POWER SW (18/80)
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ACDETECT 5V-1 TO LOWB TO PANEL SOUND GND 24VINV 24VINV SOUND GND SOUND_GND 24VINV 24VINV 24VINV 12P_2.5mm_1.5A_Beige 24VINV P809B P861 B10B-PH-K-S P802B LOCK 2P BLAK AC LINE LINE FROM ACINPUT AC Neutral NEUTRAL LIVE AREA 32WL58A/E/R/T POWER (CONNECTOR) SHEET-1/7 (19/80)
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SR80 DLS5D1-O(M) 0.15W 23146588 2SC4081-Q Q8311 D8310 R8310 1SS355-TE17 POWER LINE2 D8311 Q8310 MA8056-M RN1405 LINE1 SR81 DC12V R831 23146584 5W4.7 D8312 1SS355-TE17 R830 D8313 MA8091-M RW923H1R8K LINE R8312 Q8312 R8313 2SC4081-Q LIVE AREA 32WL58A/E/R/T POWER (RELAY/RUSH PROTECTION) SHEET-2/7 (20/80)
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4.7k 2.2k D Q822 POWER R826 C8251 1/2W1.2M D825 500V 10pF 76004714C MTZJ33A R8218 D8230 R8230 3.3k 1.5k D D8232 MA8240-L Q8230 IC GND MA8056-M RN1405 22.8-23.3-23.97 2GND D8272 MTZJ39D 5-B1 D8271 1SS133 LIVE AREA 32WL58A/E/R/T POWER (PFC) SHEET-3/7 (21/80)
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OPEN QT12 RT22 OPEN OPEN CT16 CT18 RT23 QT08 OPEN OPEN OPEN OPEN QT09 RT26 OPEN RT21 GT03 OPEN OPEN OPEN CT13 RT19 RT24 OPEN OPEN CT14 QT07 OPEN OPEN RT20 OPEN WL58_ASIA_PP TEXT-SW 32WL58A/E/R/T TN_AV (TEXT SW) SHEET-9/12 (35/80)
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32WL58A/E/R/T SH.NO. SIGNAL ANALOG_IN (41/80)
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32WL58A/E/R/T SIGNAL SH.NO. PIP VCD (42/80)
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32WL58A/E/R/T SIGNAL SH.NO. REG/RESET (43/80)
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32WL58A/E/R/T SIGNAL SH.NO. INPUT LPF (44/80)
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32WL58A/E/R/T SIGNAL SH.NO. FUNCTION (45/80)
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32WL58A/E/R/T SIGNAL SH.NO. D_IN_A (46/80)
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32WL58A/E/R/T SIGNAL SH.NO. D_IN_B (47/80)
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32WL58A/E/R/T SIGNAL SH.NO. HDMI (LINC, I2C) (48/80)
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32WL58A/E/R/T SIGNAL SH.NO. HDMI Rx#2 (Video/Audio) (49/80)
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32WL58A/E/R/T SIGNAL SH.NO. HDMI Rx#3 (PWR,Audio) (50/80)
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32WL58A/E/R/T SIGNAL SH.NO. HDMI AUDIO PLL (51/80)
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32WL58A/E/R/T SIGNAL SH.NO. HDMI AUDIO DAC (52/80)
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32WL58A/E/R/T SIGNAL SH.NO. HDMI AUDIO OUT (53/80)
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32WL58A/E/R/T SIGNAL SH.NO. HDMI CONTROLLER (54/80)
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32WL58A/E/R/T SIGNAL SH.NO. EEPROM1 (55/80)
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32WL58A/E/R/T SIGNAL SH.NO. EEPROM2 (56/80)
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SH400 - Note: For GATE of IC705 During, POD STANDBY mode of GATE_BTXD line, it keeping at SW1.8V mode. Normally, when power is ON, POWER_DB line (L:ON) is shut-off whichever pin No.1 or 2 of IC 707 is OFF. 32WL58A/E/R/T SIGNAL SH.NO. MICRO I/O (57/80)
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32WL58A/E/R/T SIGNAL SH.NO. OCM MEMORY I/F (58/80)
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32WL58A/E/R/T SIGNAL SH.NO. FLASH MEMORY (59/80)
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32WL58A/E/R/T SIGNAL SH.NO. SYNC SEPA (60/80)
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32WL58A/E/R/T SIGNAL SH.NO. E2P OTHER (61/80)
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Note: Normally, I2C Bus Lines (SDA_STBY, SCL_STBY), these are connected to Cortez line. When I2C Bus Lines are POD STBY mode, these are connected to DB line. 32WL58A/E/R/T SH.NO. SIGNAL STD-BY MICRO (62/80)
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32WL58A/E/R/T SIGNAL SH.NO. CORTEZ REG 1 (63/80)
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32WL58A/E/R/T SIGNAL SH.NO. CORTEZ REG 2 (64/80)
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32WL58A/E/R/T SIGNAL SH.NO. CORTEZ REG 3 (65/80)
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32WL58A/E/R/T SIGNAL SH.NO. BOOT CONFIG (66/80)
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Tool Side 32WL58A/E/R/T SIGNAL SH.NO. SERVICE CONNECTOR (67/80)
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Note: I2C Bus lines switching for Stand-by Micom. SW1.8V to H (normally): Connect to Cortez SW1.8V to L (POD STBY mode): Connect to DB] 32WL58A/E/R/T SIGNAL SH.NO. I2C Switch (68/80)
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32WL58A/E/R/T SIGNAL SH.NO. AUDIO (1/2) (69/80)
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32WL58A/E/R/T SIGNAL SH.NO. AUDIO (2/2) (70/80)
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32WL58A/E/R/T SIGNAL SH.NO. CORTEZ 1 (71/80)
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32WL58A/E/R/T SIGNAL SH.NO. CORTEZ 2 (72/80)
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32WL58A/E/R/T SIGNAL SH.NO. DDR I/F (73/80)
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32WL58A/E/R/T SIGNAL SH.NO. DDR SDRAM (74/80)
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32WL58A/E/R/T SIGNAL SH.NO. DDR TERMINATION (75/80)
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32WL58A/E/R/T SIGNAL SH.NO. DCDC CONV. (76/80)
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32WL58A/E/R/T SIGNAL SH.NO. LVDS OUT (77/80)
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Normal Indication Flip Vertical Flip Horizontal 32WL58A/E/R/T Half Turn SH.NO. SIGNAL LVDS OUT(SHARP LCD) (78/80)
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32WL58A/E/R/T SIGNAL SH.NO. Power Connector and Dimming (79/80)
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32WL58A/E/R/T SIGNAL SH.NO. LVDS Power and Others (80/80)