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FILE NO. 140-200106 SERVICE MANUAL COLOR TELEVISION/ DVD VIDEO PLAYER MD20FL3...
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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 RADIATION EXPOSURE.
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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.
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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) DAMAGE REQUIRING SERVICE Unplug this unit from the wall outlet and refer servicing to qualified service personnel under the following conditions: When the power-supply cord or plug is damaged. If liquid has been spilled, or objects have fallen into the unit. If the unit has been exposed to rain or water.
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GENERAL SPECIFICATIONS CRT Size / Visual Size 20 Inch / 508.0 mmV System CRT Type FLAT Deflection 90 degree Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 2 Speaker Position Front Size 3 Inch Impedance 8 Ohm Sound Output 2.5x2.5 W 10%(Typical) 2.0x2.0 W DVD System...
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GENERAL SPECIFICATIONS Interface Switch Front Power (Tact) Channel Up Channel Down Volume Up Volume Down Play Open/Close Skip(>>) Skip(<<) Still/Pause Stop Main Power SW Rear AC/DC Color On/Off (SECAM Only) Degauss Main Power SW Indicator Power Stand-by On Timer Terminals Front Video Input Audio Input...
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GENERAL SPECIFICATIONS G-12 On Screen Menu(TV) Display Menu Type Icon Picture Contrast Brightness Color Tint Sharpness Sound Bass Treble Balance Auto CH Memory ADD/DELETE TV/CATV Option Language V-Chip Clock Clock Set On/Off Timer Sleep Timer CH/AV/DVD Stereo, Audio Output, Bilingual Stereo, Mono, SAP(Stereo Only) Stereo, Audio Output Sound 1/2...
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GENERAL SPECIFICATIONS G-13 OSD Language (TV) Eng, Fre, Spa (DVD) Eng, Fre, Spa G-14 Remote Unit RC-EF Control Glow in Dark Remocon Format Custom Code 71-8E h Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Keys Total 45 Key Power Open/Close...
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GENERAL SPECIFICATIONS G-15 Features Auto Degauss Auto Shut Off Auto Power On, Auto Play Canal+ CATV Anti-theft Rental Memory(Last CH) Memory(Last Volume) V-Chip Type Fast Text UniText Top Text Auto Search CH Allocation Channel Lock Just Clock Function Game Position CH Label VM Circuit Area Code...
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GENERAL SPECIFICATIONS G-17 Carton Master Carton Content --- Sets Material --- / --- Dimensions W x D x H(mm) Description of Origin Gift Box Material Double/White W/Color Phote Label Dimensions W x D x H(mm) 647x620x625 Design As Per Buyer 's Description of Origin Natural Dropping At 1 Corner / 3 Edges / 6 Drop Test...
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DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: TV/DVD BLOCK (Refer to Fig. 1-3) Remove the 2 screws 1. AND P.C. BOARDS Disconnect the following connectors: 1-1: BACK CABINET (Refer to Fig. 1-1) (CP102, CP303, CP401 and CP502). Remove the 6 screws 1. Remove the TV/DVD Block in the direction of arrow.
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DISASSEMBLY INSTRUCTIONS 1-5: FRONT TRAY PLATE/TOP SHIELD (Refer to Fig. 1-5) Remove the Front Tray Plate in the direction of arrow (A). CD Deck Remove the 9 screws 1. Remove the Top Shield in the direction of arrow (B). Syscon PCB Top Shield Angle Deck Front Tray Plate...
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DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF ANODE CAP 3. After one side is removed, pull in the opposite direction to 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.
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SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key. Press both the VOL. key and remocon keys simultaneously for more than 1 second. Press both the STOP key and remocon keys simultaneously for more than 3 seconds.
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NOTE FOR THE REPLACING OF 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. No need the setting for the INI 4E~6A.
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ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL FUNCTION FUNCTION ADJUSTMENTS R CUT OFF BRI. AV(CENT.) G CUT OFF BRI. AV(MAX) Read and perform these adjustments when repairing the B CUT OFF BRI. AV(MIN) G DRIVE COL. AV(CENT.) circuits or replacing electrical parts or PCB assemblies. B DRIVE COL.
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ELECTRICAL ADJUSTMENTS 2-4: WHITE BALANCE 2-9: VERTICAL SHIFT NOTE: Adjust after performing CUT OFF adjustment. NOTE: Adjust after performing adjustments in section 2-8. Place the set with Aging Test for more than 15 minutes. Receive the center cross signal from the Pattern Receive the white 100% signal from the Pattern Generator.
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ELECTRICAL ADJUSTMENTS 2-14: CORNER CORR BOTTOM 2-18: SUB BRIGHT CENTER Receive the rainbow pattern from the Pattern Generator. Receive the monoscope pattern. (RF Input) Using the remote control, set the brightness and Using the remote control, set the brightness and contrast to normal position.
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ELECTRICAL ADJUSTMENTS 2-20: SUB TINT CENTER 2-21: SUB COLOR CENTER Receive the color bar pattern. (RF Input) Receive the color bar pattern. (RF Input) Using the remote control, set the brightness, contrast, Using the remote control, set the brightness, contrast, color and tint to normal position.
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ELECTRICAL ADJUSTMENTS PURITY AND CONVERGENCE 3-3: STATIC 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. minutes before performing the following adjustments.
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MAJOR COMPONENTS LOCATION GUIDE IC101 IC701 TP901 IC601 TU001 CP101 AV PCB R449 TP401 J801 TP803 TP801 T501 CRT PCB FB401 VR502 FOCUS VOLUME SCREEN VOLUME MAIN PCB...
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TV BLOCK DIAGRAM FROM OPERATION BLOCK RESET IC102 PST600C AT+5V POWER TU001 ON/OFF OPEN/CLOSE MAIN IC101 STOP OEC6063A X101 Q103 16MHz PLAY H.BUFFER Q205 Q105 SKIP FF PRE AMP BUFFER SKIP REW SAW FILTER FROM DVD BLOCK CF203 DVD C DVD Y Q7009, Q7010 DVD A L...
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DVD BLOCK DIAGRAM AUDIO SW TO TV BLOCK IC8504 SN74LV4052APW Q7013, Q7005 SPDIF(CD) DVD REQ J7002 LINE DRIVER COAXIAL SPDIF(DVD) DIGITAL OUT DVD ROM DRIVE DVD ERR,DVD SOS,DVD VALID,DVD STB DVD: "L" DVD/CD CD : "H" ZERO DVD DATA (0-7) AUDIO DAC ANALOGUE IC8503...
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POWER SCHEMATIC DIAGRAM DIGITAL AUDIO SIGNAL(PB) PLAYBACK LUMINANCE SIGNAL (AV PCB) PLAYBACK COLOR SIGNAL CAUTION: SINCE THESE PARTS MARKED BY ATTENTION: LES PIECES REPAREES PAR UN ETANT PLAYBACK VIDEO SIGNAL NOTE: NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME THE DC VOLTAGE AT EACH PART WAS MEASURED CAUTION: DIGITAL TRANSISTOR FROM/TO TV POWER...
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SOUND AMP SCHEMATIC DIAGRAM (AV PCB) FROM/TO OPERATION SOUND_AMP IC302 AN7522 CP303 A2001WV2-11P FRONT VIDEO IN FRONT A IN L SOUND GND SOUND OUT L SP OUT L C307 C348 FRONT A IN R 0.01 0.01 SOUND OUT R SP OUT R HS301 763WAA0199 FROM/TO POWER...
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OPERATION SCHEMATIC DIAGRAM (OPERATION PCB) FROM/TO MICON/TUNER CD757_1 CU292501 REMOCON OUT AT+5.6V POWER ON LED L756 KEY A W5T18.4X10X9.6 KEY B R778 R771 R772 R773A R774 820 1/4W 1K 1/4W 1.5K 1/4W 2.7K 1/4W 5.6K 1/4W POWER LED SW Q752A KRC114MAT Vout OS753...
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TV POWER SCHEMATIC DIAGRAM (MAIN PCB) FBT+12V DEGAUSS_H TV.POWER_H R528 126.1 126.9 P.CON+30V 68K 1/2W 6.3A 125V 2.5A 125V 4A 125V 126.7 +B 130V DRIVE 130V DRIVE R531 Q503 126.9 Q509 RELAY DRIVE CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, 2SC4160 2SA1013 Q504...
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DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) V.OUTPUT AN5522 IC401 THERMAL PROTECTION FROM/TO MICON/TUNER TO DY CP403 PUMP UP CP401 003P-2100 B06B-DVS 26.3 12.5 25.9 FROM/TO POWER CP820B 52147-1210 C412 H.OUT 500V P.CON+30V R412 R427 C404 V.OUT 4.7K 1/4W 1.2K 1/4W BUFFER BUFFER Q408 POWER FAIL...
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CRT SCHEMATIC DIAGRAM (CRT PCB) FROM VIF/SIF/CHROMA RED AMP TP801 Q807 CP850B 2SC1740SP R807 52147-0510 RED AMP Q804_1 2.7K 1/4W 150.0 2SC2621 R.OUT G.OUT R804 B.OUT 220 1/4W CLAMP R814 1.8K 1/4W 132.5 132.8 J801 CVT3275-5101 GREEN AMP Q808 TP802 GREEN AMP 2SC1740SP Q805_1...
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INTERCONNECTION DIAGRAM COMMAND TRANSMITTER TM101 J351 REMOCON SENSOR SPEAKER CD355 OS753 TO OS753 SP351 SP OUT R+ 8OHM J701 SP OUT R- SPEAKER CD356 OPERATION PCB V.OUT SP352 PCB030 SP OUT L+ 8OHM TEXA33 SP OUT L- CP101 I2C SCL I2C SDA I2C OFF BLADE...
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WAVEFORMS MPEG SDRAM MICON/TUNER VIDEO ENCODER NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
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WAVEFORMS POWER SOUND AMP IN/OUT NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
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WAVEFORMS STEREO TV POWER AV SW COMB FILTER DEFLECTION NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
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WAVEFORMS NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.