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SERVICE MANUAL COLOR TELEVISION/ DVD VIDEO PLAYER MD26H82 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).
Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances. 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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CAUTION THIS DIGITAL VIDEO PLAYER EMPLOYS A LASER SYSTEM. TO ENSURE PROPER USE OF THIS PRODUCT, PLEASE READ THIS SERVICE MANUAL CARE- FULLY AND RETAIN FOR FUTURE REFERENCE. SHOULD THE UNIT REQUIRE MAINTENANCE, CONTACT AN AUTHORIZED SERVICE LOCATION-SEE SERVICE PROCEDURE. USE OF CONTROLS, ADJUSTMENTS OR THE PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS LASER RADIATION EXPOSURE.
SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts.
IMPORTANT SAFEGUARDS READ INSTRUCTIONS All the safety and operating instructions should be read before the unit is operated. RETAIN INSTRUCTIONS The safety and operating instructions should be retained for future reference. HEED WARNINGS All warnings on the unit and in the operating instructions should be adhered to. FOLLOW INSTRUCTIONS All operating and use instructions should be followed.
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IMPORTANT SAFEGUARDS (CONTINUED) OUTDOOR ANTENNA GROUNDING If an outside antenna or cable system is connected to the unit, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges. Section 810 of the National Electrical Code, ANSI/NFPA 70, provides information with respect to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode.
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IMPORTANT SAFEGUARDS (CONTINUED) EXAMPLE OF ANTENNA GROUNDING AS PER THE NATIONAL ELECTRICAL CODE ANTENNA LEAD IN WIRE GROUND CLAMP ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) ELECTRIC SERVICE EQUIPMENT GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS POWER SERVICE GROUNDING NEC-NATIONAL ELECTRICAL CODE ELECTRODE SYSTEM (NEC ART 250, PART H) S2898A...
WHEN REPLACING DVD DECK [ When removing the DVD Deck ] Before removing Pick Up PCB and DVD MT PCB connector, the short circuit the position shown in Fig. 1 using a soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged. [ When installing the DVD Deck ] Remove all the soldering on the short circuit position after the connection of Pick Up PCB and DVD MT PCB connector.
DISC REMOVAL METHOD AT NO POWER SUPPLY Remove the Back Cabinet and AV PCB/DVD Block. (Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.) Rotate the Main Gear in the direction of the arrow by hand. (Refer to Fig. 1) Manually open the Tray. Main Gear Deck CD Fig.
TABLE OF CONTENTS GREEN PRODUCT PROCUREMENT ..................A1-1 LEAD-FREE SOLDER ......................A1-1 CAUTION ..........................A1-2 SERVICING NOTICES ON CHECKING .................. A1-3 HOW TO ORDER PARTS ....................... A1-3 IMPORTANT SAFEGUARDS ....................A1-4~A1-6 WHEN PERLACING DVD DECK .................... A1-7 DISC REMOVAL METHOD AT NO POWER SUPPLY ............A1-8 PARENTAL CONTROL RATING LEVEL ................
GENERAL SPECIFICATIONS CRT Size / Visual Size 26 inch / 656.7mmV System CRT Type Flat (16:9) Magnetic Field BV/BH + 0.45 G / 0.18 G Color System NTSC Display Capability 1080i/540p Speaker 2 Speaker Position Front Size 2.0 x 3.5 Inch Impedance Sound Output 5.0W + 5.0W...
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Timer Back-up (at Power Off Mode) G-11 Remote Unit RC-MN Control Glow in Dark Remocon Unit Remocon Format TOSHIBA Format TOSHIBA Custom Code 40-BF H, 44-BB H, 45-BA H, 45-BC H Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs...
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GENERAL SPECIFICATIONS G-12 Features Auto Head Cleaning (TV/VCR) VIDEO PLUS+(SHOWVIEW,G-CODE) Forward / Reverse Picture Search Index Search SQPB CM Skip(30sec x 6 Times) Zero Return End Call TV Monitor Program Extend Picture Brightness , Contrast , Color, Sharpness Tint Mode (Picture Preference) Color Temperature CableClear Cinema Mode...
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GENERAL SPECIFICATIONS G-13 Accessories Owner's Manual Language English w/Guarantee Card Remote Control Unit Battery UM size x pcs UM-4 x 2 pcs OEM Brand Rod Antenna Poles Terminal Loop Antenna Terminal U/V Mixer 300 ohm to 75 ohm Antenna Adapter Antenna Change Plug DC Car Cord (Center+) AC Plug Adapter...
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1 Corner / 2 Edges / 4 Surfaces Height (cm) 40(ORION SPEC:25) Container Stuffing(40' container) Sets G-18 Material Cabinet Front 94V0 DECABROM Rear 94V0 NON-DECABROM Non-Halogen Demand Eyelet Demand G-19 Environment Environmental standard requirement (by buyer) Green procurement of TOSHIBA Pb-free Phase3(Phase3A) Measures for Whisker A3-6...
DISASSEMBLY INSTRUCTIONS 1-3: AV/POWER/DVD BLOCK (Refer to Fig. 1-3) 1. REMOVAL OF MECHANICAL PARTS Remove the 2 screws 1. AND P.C. BOARDS Disconnect the following connectors: 1-1: BACK CABINET (Refer to Fig. 1-1) (CP303, CP404, CP6402 and CP5902). Remove the 6 screws 1. Remove the AV/Power/DVD Block in the direction of arrow.
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DISASSEMBLY INSTRUCTIONS 1-5: TV MT PCB (Refer to Fig. 1-5) 1-7: OPERATION PCB (Refer to Fig. 1-7) Remove the 2 screws 1. Remove the 4 screws 1. Remove the 2 screws 2. Remove the Angle PCB in the direction of arrow (A). Disconnect the following connector: (CP2201).
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DISASSEMBLY INSTRUCTIONS 1-9: DVD MT PCB/DVD DECK (Refer to Fig. 1-9) NOTE Before your operation, please read “PREPARATION OF Short circuit the position shown in Fig. 1-9 using a SERVICING”. soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged.
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DISASSEMBLY INSTRUCTIONS 1-11: AV PCB (Refer to Fig. 1-11) Remove the screw 1. Remove the screw 2. Remove the 7 screws 3. Remove the 3 screws 4. Remove the AV Jack Shield. Remove the AV PCB in the direction of arrow. VCR PCB AV Jack Shield Bottom Plate...
DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF DVD DECK PARTS NOTE 1. Do not disassemble the DVD DECK PARTS except listed parts here. Minute adjustments are needed if the Main Frame Ass'y disassemble is done. If the repair is needed except listed parts, replace the DVD MECHA ASS'Y.
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DISASSEMBLY INSTRUCTIONS 2-3: LOADING MOTOR PCB ASS'Y/ LOADING BELT (Refer to Fig. 2-3-A) Pulley Gear Rack Loading Remove the Loading Belt. Remove the screw 1. Main Gear Remove the 2 screws 2. Remove the Loading Motor PCB Ass'y. Main Frame Ass’y Remove the Pulley Gear.
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DISASSEMBLY INSTRUCTIONS 2-6: TRAVERSE HOLDER/INSULATOR (F)/INSULATOR NOTE (R) (Refer to Fig. 2-6-A) When pushing the Rack Feed in the direction of the Remove the Traverse Holder. arrow, it should be restored to the original position by the Remove the 2 Insulator (F). spring force.
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DISASSEMBLY INSTRUCTIONS 2-8: FFC WIRE HANDLING When installing the FFC, fold it correctly and install it as shown from Fig. 2-8-A to Fig. 2-8-C. NOTE Do not make the folding lines except the specified positions for the FFC. [ 24 pin FFC ] Pick Up Side 54 ±...
DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction to 3. REMOVAL OF ANODE CAP remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.
DISASSEMBLY INSTRUCTIONS 3. When IC starts moving back and forth easily after 4. REMOVAL AND INSTALLATION OF FLAT desoldering completely, pickup the corner of the IC using PACKAGE IC a tweezers and remove the IC by moving with the IC REMOVAL desoldering machine.
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DISASSEMBLY INSTRUCTIONS INSTALLATION 4. When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- 1. Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 4-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
KEY TO ABBREVIATIONS Audio/Control H.P.F High Pass Filter Automatic Color Control H.SW Head Switch Audio Erase Hertz Automatic Frequency Control Integrated Circuit Automatic Fine Tuning Intermediate Frequency AFT DET Automatic Fine Tuning Detect Indicator Automatic Gain Control Inverter Amplifier Killer Antenna Left A.PB...
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KEY TO ABBREVIATIONS Serial Strobe Switch SYNC Synchronization SYNC SEP Sync Separator, Separation Transistor TRAC Tracking TRICK PB Trick Playback Test Point UNREG Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse, Voltage Display V.PB Video Playback Variable Resistor V.REC Video Recording Visual Search Fast Forward...
SERVICE MODE LIST This unit is 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 or on the main unit and on the remote control for more than the standard time (second).
RE-WRITE FOR DIGITAL SOFT FIRMWARE JG176 USA HD DTV ROM DISC Ref. No. Part No. Parts Name Remarks USA HD DTV ROM Up-Date of the Firmware JG176 APJG176095 DISC NOTE: The operating manual for Re-writing is included in USA HD DTV ROM DISC (JG176). Prepare the following tools for Up-Date of the Firmware.
WHEN REPLACING EEPROM (MEMORY) IC CONFIRMATION OF CHECK SUM, POWER ON TOTAL HOURS, MICON VERSION AND DIGITAL TV MICON FIRMWARE Initial total of MEMORY IC, POWER ON total hours, MICON VERSION and Digital TV MICON Firmware can be checked on the screen.
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WHEN REPLACING EEPROM (MEMORY) IC CONFIRMATION OF INITIAL DATA 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. INIT A7 AA AD B0 B5 D4 D5...
ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL FUNCTION FUNCTION FUNCTION ADJUSTMENTS OSD H CORNER R-Y PHASE CUT OFF C.PARA G-Y GAIN H.POSI C.SAW G-Y PHASE Read and perform these adjustments when repairing the V.POSI V.SYMM BRI.CENT circuits or replacing electrical parts or PCB assemblies. H.
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ELECTRICAL ADJUSTMENTS 2-4: OSD POSITION 2-6: VERTICAL CENT/ VERTICAL SIZE Receive the monoscope pattern from the Pattern Receive the monoscope pattern. Generator. Press the MENU button. And, then press the Channel Using the remote control, set the brightness and UP/DOWN button on the remote control until the contrast to normal position.
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ELECTRICAL ADJUSTMENTS 2-8: E/W PARA 2-11: BRIGHT CENT Receive the crosshatch signal from the Pattern Generator. Receive the monoscope pattern. (RF Input) Set the screen mode to FULL. Set the screen mode to FULL. Using the remote control, set the brightness and contrast Using the remote control, set the brightness and contrast to normal position.
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ELECTRICAL ADJUSTMENTS 2-13: CENSOR PARA 2-15: TINT/COLOR CENT Receive the crosshatch signal from the Pattern Generator. Receive the color bar pattern. Press the MENU button. And, then press the Channel Connect the oscilloscope to TP806. UP/DOWN button on the remote control until the Activate the adjustment mode display of Fig.
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ELECTRICAL ADJUSTMENTS 2-16: TINT Press the TV/VIDEO button on the remote control to set to the DVD mode. Connect the oscilloscope to TP806. Playback the DVD(480i) disc. Activate the adjustment mode display of Fig. 1-1 and press the channel button (53) on the remote control to select "TINT".
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ELECTRICAL ADJUSTMENTS 3-3: STATIC CONVERGENCE 3. PURITY AND CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator.
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ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) AC IN CD1701 VM COIL PCB POWER PCB S106 CD1710 CRT PCB S105 TP805 S109 S107 CP805 CP804 J801 S108 S110 TP806 CP803 CP852 CP1707 CP808B CP1710 CP801 CP851B CP802B CD1709 CD1716 J4201...
REGULATOR BLOCK DIAGRAM DTV_A_L Q3013 DTV_A_R AT+5.6V AT 3.3V SW AT+3.3V CHROMA_POWER_H TV MICON DVD_H P.CON+3.3V_DEGI VCR_POWER_H P.CON+9V MIXER IC IC8004 NJM4580M VCR_POWER_FAIL HDMI+4V P.CON+9V OUT IC P.CON+6V_D OUT IC P.CON+3.3V IC3006 IC3002 DTV_AUDIO_L Q3009 KIA278R09PI KIA78R06API UNREG+13V SOUND AMP/ SURROUND BUFFER UNREG+5V...
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IN/OUT/OPERATION BLOCK DIAGRAM SW2257 POWER SW2253 SW2255 STOP SKIP FF SW2252 SW2254 SKIP REW PLAY KEY_A SW2251 SW2202 OPEN/CLOSE VOL UP SW2203 KEY_C VOL DOWN TV MICON CH DOWN SW2205 CH UP D2207 Q2202 POWER LED POWER OS2201 REMOCON_IN TV_POWER_H REGULATOR AT+5V...
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VIDEO DECODER SCHEMATIC DIAGRAM (DIGITAL PCB) FROM/TO FLASH R6607 DAC_SDA I2C_DATC DAC_SCLK R6608 I2C_CLKC VD_INT# C6633 0.082 B R6610 FROM ASIC DVI_RESET X6601 28.636363MHz 100DT02802 C6641 0.01 B NR6604 4D02WGJ0330TCE TO FRONT END C6611 0.001 B DVIDATA12 FROM AV OUT DVIDATA13 DVIDATA14 DVIDE...
WAVEFORMS MPEG/MICON/DSP/RF_AMP 10ns 100µs 2.0V 1.0V 200mV TUNER 10µs 200ns 500µs 100mV 1.0V 1.0V TV MICON 20ms 500µs 1.0V 200mV 1.0V AUDIO/VIDEO 20ms 500µs 20µs 1.0V 1.0V 0.5V SOUND AMP/ SURROUND DEFLECTION 20µs 500µs 2.0V 2.0V 1.0VV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
WAVEFORMS 20µs 10µs 1.0V 0.5V 10µs 20µs 0.5V CRT/SVM 20µs 20µs 10µs 1.0V 0.5V CHROMA/PROGRESSIVE/ PIN CUSHION 20µs 10µs 10µs 1.0V 1.0V 10µs 10µs 20µs 0.5V 1.0V 1.0V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
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WAVEFORMS 1.0V 20µs 1.0V 10µs 1.0V 1.0V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
DVD DECK EXPLODED VIEW Cannot supply by a unit. M2603 PCB610 (LOADING MOTOR PCB ASS'Y) CD2302 CD2301 PCB640 CD2001 (SW PCB ASS'Y) Do not replace the parts. Because, minute adjustments are needed if this condition is disassembled further more. If the repair is needed, replace the DVD MECHA ASS'Y.