(MFR’S VERSION A) SERVICE MANUAL LCD COLOR TELEVISION 20HL85 (For Canada) The above 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).
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Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing lead. Increasing attention is given to issues related to the global environmental. Toshiba 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.
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SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES PERFORM A SAFETY CHECK AFTER SERVICING As for the places which need special attentions, they are indicated with the labels or seals on the Confirm that the screws, parts and wiring which cabinet, chassis and parts.
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TABLE OF CONTENTS GREEN PRODUCT PROCUREMENT ..................A1-1 LEAD-FREE SOLDER ........................ A1-1 SERVICING NOTICES ON CHECKING ..................A1-2 HOW TO ORDER PARTS ......................A1-2 IMPORTANT ..........................A1-2 TABLE OF CONTENTS ......................A2-1 GENERAL SPECIFICATIONS ....................A3-1~A3-6 DISASSEMBLY INSTRUCTIONS 1. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ..........B-1, B-2 SERVICE MODE LIST ........................
GENERAL SPECIFICATIONS LCD Size / Visual Size 20.04 inch / 508.9mmV System LCD Type Color TFT LCD Number of Pixels 1366(H) x 768(V) View Range Left/Right 89/89 degree Up/Down 89/89 degree Color System NTSC Speaker 2 Speaker Position Front Size 1.8 x 3.9 inch Impedance 16 ohm...
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GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Icon Picture Mode(Picture preference) Brightness Contrast Color Tint Sharpness Cable Clear Color Temperature Reset Audio Bass Treble Balance Stable Sound Speakers On/Off Dolby Virtual WOW SRS 3D WOW Focus WOW Tru Bass HDMI Reset Setup...
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GENERAL SPECIFICATIONS Control Level Volume Brightness Contrast Color Tint Sharpness Bass Treble Balance Picture Scroll Back Lighting H Position V Position Phase Clock Green Blue Stereo, SAP, Mono CH / AV(Line) / PC Color Stream HD (Component) HDMI Channel (TV/Cable) CH Label Video Label Clock...
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GENERAL SPECIFICATIONS G-11 Remote Unit RC-KK Control Glow in Dark Remocon Remocon Format TOSHIBA Format TOSHIBA Custom Code 40-BF h Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys 44 Keys Keys Power Input Display Mute...
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GENERAL SPECIFICATIONS G-12 Features Auto Shut Off Auto Search Comb Filter Game Position Power On Memory Variable Audio Out Mode (Picture Preference) Color Temparature Control Cable Clear Stable Sound Virtual Dolby SRS WOW(SRS 3D/Focus/Tru Bass) CABLE CH Program (Auto CH Memory) Closed Caption Picture Size Picture Scroll...
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Front PS 94V0 DECABROM Rear PS 94V0 DECABROM Non-Halogen Demand Eyelet Demand G-19 Environment Environmental standard requirement (by buyer) Green PROCUREMENT of TOSHIBA Pb-Free Phase 3 (Phase 3A) G-20 AC Power Adapter Provided Accessories Power Requirement 120V 60Hz Power Consumption...
DISASSEMBLY INSTRUCTIONS When IC starts moving back and forth easily after REMOVAL AND INSTALLATION OF desoldering completely, pickup the corner of the IC using a FLAT PACKAGE IC tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 1-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
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DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin-tip Take care of the polarity of new IC and then install the new Soldering Iron. (Refer to Fig. 1-8.) IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter to the SERVICE MODE function, press and hold both buttons simultaneously on the main unit and on the remote control for more than the standard time (second).
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WHEN REPLACING EEPROM (MEMORY) IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. Turn on the POWER, and set to the TV mode. Set the VOLUME to minimum.
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WHEN REPLACING EEPROM (MEMORY) IC INIT Table 1-2...
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WHEN REPLACING EEPROM (MEMORY) IC INIT Table 1-3...
ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE FUNCTION FUNCTION Read and perform these adjustments when repairing the H POSI OSD BAK LIGHT CENT V POSI OSD BAK LIGHT MAX circuits or replacing electrical parts or PCB assemblies. R DRIVE(N) BAK LIGHT MIN CAUTION R CUT OFF(N) BRIGHT CENT...
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ELECTRICAL ADJUSTMENTS 2-2: Confirmation of Fixed Value (Step No.) Please check if the fixed values of each the adjustment items are set correctly referring below. HD-MI FUNCTION 480i 480p 720p 1080i 480i 480p 720p 1080i VGA70 SVGA WXGA WXGA44.7 01 H POSI OSD 02 V POSI OSD 03 R DRIVE (N) 04 R CUTOFF (N)
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WAVEFORMS MICOM 10µs 20ns 50ns 2.0V 1.0V 500mV SCALER LVDS 10ms 20µs 10µs 100mV 500mV 200mV JACK 20µs 10µs 20µs 500mV 200mV 500mV 20µs 1.0ms 10µs 500mV 1.0V 200mV 20µs 5µs 1.0ms 500mV 2.0V 1.0V The following waveforms were measured at the point of the corresponding NOTE: balloon number in the schematic diagram.
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WAVEFORMS INTERFACE 1.0ms 1.0µs 10µs 1.0V 50mV 200mV 1.0ms 5.0µs 10µs 1.0V 1.0V 200mV AV SWITCH 1.0ms 100µs 10µs 1.0V 2.0V 200mV 500µs 1.0ms 100µs 200mV 1.0V 2.0V AV SWITCH2 TUNER/JACK 200ns 20µs 500µs 100mV 500mV 200mV The following waveforms were measured at the point of the corresponding NOTE: balloon number in the schematic diagram.
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WAVEFORMS MICON2 500µs 1.0V 200mV 500µs 1.0V 200mV STEREO/SOUND AMP 50mV 50mV 50ns 500mV The following waveforms were measured at the point of the corresponding NOTE: balloon number in the schematic diagram.