Dvd video recorder / video cassette recorder (96 pages)
Summary of Contents for Toshiba MW27FN1
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FILE NO. 140-200321 SERVICE MANUAL COLOR TELEVISION/ VIDEO CASSETTE RECORDER/ DVD VIDEO PLAYER MW27FN1 MW27FN1C DOCUMENT CREATED IN JAPAN, Jun., 2003...
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.
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) 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.
TAPE REMOVAL METHOD AT NO POWER SUPPLY Remove the TV/DVD/VCR block from the main unit and the Fig. 1 below can be seen. (Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.) Remove the screw 1 of the Deck Chassis and remove the Loading Motor. Rotate the Pinch Roller Cam in the direction of the arrow by hand to slacken the Video Tape.
PARENTAL CONTROL - RATING LEVEL 4 DIGIT PASSWORD CANCELLATION If the stored 4 digit password in the Rating Level menu needs to be cancelled, please follow the steps below. Turn Unit ON. Press and hold the '7' key on the remote control unit. Simultaneously press and hold the 'STOP' key on the front panel.
TABLE OF CONTENTS CAUTION ..........................A1-1 SERVICING NOTICES ON CHECKING .................. A1-2 HOW TO ORDER PARTS ....................... A1-2 IMPORTANT WARNING ......................A1-3, A1-4 TAPE REMOVAL METHODATNO POWER SUPPLY ............A1-5 DISC REMOVAL METHODATNO POWER SUPPLY ............A1-5 PARENTAL CONTROL RETING LEVEL ................A1-6 TRAY LOCK ..........................
GENERAL SPECIFICATIONS (MW27FN1) CRT Size / Visual Size 27 inch / 676.6mmV System CRT Type Flat Deflection degree Magnetic Field BV/BH + 0.45 G / 0.18 G Color System NTSC Speaker 2 Speaker Position Front Size 1.8 x 3.9 Inch...
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GENERAL SPECIFICATIONS (MW27FN1) Signal Video Signal Input Level 1 V p-p/75 ohm Output Level 1 V p-p/75 ohm S/N Ratio (Weighted) at DVD Mode 65dB S/N Ratio (Weighted) at VCR Mode 50dB Horizontal Resolution at DVD Mode 400 Lines Horizontal Resolution at VCR(SP)Mode...
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GENERAL SPECIFICATIONS (MW27FN1) G-10 On Screen Menu Display Menu Type Character (TV/VCR) Timer Rec Set Channel Setup TV/CATV Auto CH Memory Add/ Delete Guide CH Set TV Setup V-chip Set On/Off Timer Set Picture Audio Surround Stable Sound Sap On/Off...
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GENERAL SPECIFICATIONS (MW27FN1) G-11 On Screen Menu Display Menu Type Character (DVD) Language OSD Language Menu SubTitle Audio Picture TV Screen Size OSD Display On/Off Sound DRC (Dynamic Range Control) dts Decode Output(5.1ch/ 2ch) Surround On/Off Center On/Off Sub Woofer On/Off...
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GENERAL SPECIFICATIONS (MW27FN1) G-14 Remote Unit(for TOSHIBA) RC-FG Control Glow in Dark Remocon Unit Format Custom Code 40-BFh,44-BBh Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys TV/VCR Power Channel- Channel+ Volume- Volume+ Display Sleep...
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GENERAL SPECIFICATIONS (MW27FN1) G-15 Features Auto Head Cleaning Auto Tracking HQ (VHS Standard High Quality) Auto Power On, Auto Play, Auto Rewind, Auto Eject VIDEO PLUS+(SHOWVIEW,G-CODE) Auto Clock Forward / Reverse Picture Search Auto CH Memory Surround Stable Sound Closed Caption...
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GENERAL SPECIFICATIONS (MW27FN1) G-17 Interface Switch Front Power (Tact) Channel Up Channel Down Volume Up Volume Down Play (VCR) Stop / Eject (VCR) F.FWD/Cue (VCR) Rew/Rev (VCR) REC/OTR (VCR) Play (DVD) Stop (DVD) Skip+ /Search+ (DVD) Skip- /Search- (DVD) Open/Close (DVD)
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GENERAL SPECIFICATIONS (MW27FN1C) CRT Size / Visual Size 27 inch / 676.6mmV System CRT Type Flat Deflection degree Magnetic Field BV/BH + 0.45 G / 0.18 G Color System NTSC Speaker 2 Speaker Position Front Size 1.8 x 3.9 Inch Impedance Sound Output 2.5W + 2.5W...
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GENERAL SPECIFICATIONS (MW27FN1C) Signal Video Signal Input Level 1 V p-p/75 ohm Output Level 1 V p-p/75 ohm S/N Ratio (Weighted) at DVD Mode 65dB S/N Ratio (Weighted) at VCR Mode 50dB Horizontal Resolution at DVD Mode 400 Lines Horizontal Resolution at VCR(SP)Mode 220 Lines RGB Signal Output Level...
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GENERAL SPECIFICATIONS (MW27FN1C) G-10 On Screen Menu Display Menu Type Character (TV/VCR) Timer Rec Set Channel Setup TV/CATV Auto CH Memory Add/ Delete Guide CH Set TV Setup V-chip Set On/Off Timer Set Picture Audio Surround Stable Sound Sap On/Off Auto Repeat On/Off System Setup Clock Set...
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GENERAL SPECIFICATIONS (MW27FN1C) G-11 On Screen Menu Display Menu Type Character (DVD) Language OSD Language Menu SubTitle Audio Picture TV Screen Size OSD Display On/Off Sound DRC (Dynamic Range Control) dts Decode Output(5.1ch/ 2ch) Surround On/Off Center On/Off Sub Woofer On/Off Parental Password Lock/ Un Lock Rating Level...
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GENERAL SPECIFICATIONS (MW27FN1C) G-14 Remote Unit(for TOSHIBA) RC-FG Control Glow in Dark Remocon Unit Format Custom Code 40-BFh,44-BBh Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys TV/VCR Power Channel- Channel+ Volume- Volume+ Display Sleep...
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GENERAL SPECIFICATIONS (MW27FN1C) G-15 Features Auto Head Cleaning Auto Tracking HQ (VHS Standard High Quality) Auto Power On, Auto Play, Auto Rewind, Auto Eject VIDEO PLUS+(SHOWVIEW,G-CODE) Auto Clock Forward / Reverse Picture Search Auto CH Memory Surround Stable Sound Closed Caption TV Auto Shut off Function End Call Index Search...
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GENERAL SPECIFICATIONS (MW27FN1C) G-17 Interface Switch Front Power (Tact) Channel Up Channel Down Volume Up Volume Down Play (VCR) Stop / Eject (VCR) F.FWD/Cue (VCR) Rew/Rev (VCR) REC/OTR (VCR) Play (DVD) Stop (DVD) Skip+ /Search+ (DVD) Skip- /Search- (DVD) Open/Close (DVD) Input Select Main Power SW Indicator...
DISASSEMBLY INSTRUCTIONS 1-3: TV/DVD/VCR 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 and CP1704). Remove the 6 screws 1. Remove the TV/DVD/VCR Block in the direction of arrow.
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DISASSEMBLY INSTRUCTIONS 1-5: VCR PCB (Refer to Fig. 1-5) 1-7: DVD PCB/DVD DECK (Refer to Fig. 1-7) Remove the 6 screws 1. Make the short circuit on the position as shown Fig. 1-7 Remove the screw 2. using a soldering. If you remove the DVD Deck with no Remove the AV Jack Shield.
DISASSEMBLY INSTRUCTIONS NOTE 2. REMOVAL OF VCR DECK PARTS In case of the Locker R installation, check if the one 2-1: TOP BRACKET (Refer to Fig. 2-1) position of Fig. 2-3-B are correctly locked. Extend the 2 supports 1. When you install the Cassette Side R, be sure to move Slide the 2 supports 2 and remove the Top Bracket.
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DISASSEMBLY INSTRUCTIONS 2-6: LOADING MOTOR/WORM (Refer to Fig. 2-6-A) 2-7: TENSION ASS’Y (Refer to Fig. 2-7-B) Remove the screw 1. Turn the Pinch Roller Cam clockwise so that the Tension Remove the Loading Motor. Holder hook is set to the position of Fig. 2-7-A to move Remove the Worm.
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DISASSEMBLY INSTRUCTIONS NOTE [OK] Tension Connect Take care not to damage the gears of the S Reel and T Reel. Tension Band The Polyslider Washer may be remained on the back of the reel. [NG] Tension Connect Tension Band Take care not to damage the shaft. Do not touch the section “A”...
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DISASSEMBLY INSTRUCTIONS 2-10: CASSETTE OPENER/PINCH ROLLER BLOCK/P5 ARM ASS’Y (Refer to Fig. 2-10-A) Unlock the support 1 and remove the Cassette Opener. Remove the Pinch Roller Block and P5 Arm Ass’y. Cassette Opener Spring Position Fig. 2-11-B Pinch Roller Block 2-12: FE HEAD (RECORDER ONLY) (Refer to Fig.
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DISASSEMBLY INSTRUCTIONS 2-14: CAPSTAN DD UNIT (Refer to Fig. 2-14-A) 2-15: MAIN CAM/PINCH ROLLER CAM/JOINT GEAR (Refer to Fig. 2-15-A) Remove the Capstan Belt. Remove the 3 screws 1. Remove the E-Ring 1, then remove the Main Cam. Remove the E-Ring 2, then remove the Pinch Roller Remove the Capstan DD Unit.
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DISASSEMBLY INSTRUCTIONS NOTE 2-18: CASSETTE GUIDE POST/INCLINED BASE S/T UNIT/P4 CAP (Refer to Fig. 2-18-A) 1. When you install the Loading Arm S Unit, Loading Arm T Unit and Main Loading Gear, align each marker. (Refer Remove the P4 Cap. Unlock the support 1 and remove the Cassette Guide to Fig.
DISASSEMBLY INSTRUCTIONS 3. REMOVAL OF DVD DECK PARTS Main Chassis Ass’y NOTE 1. Do not disassemble the DVD DECK PARTS except listed Rack Loading parts here. Minute adjustments are needed if the disas- semble is done. If the repair is needed except listed parts, replace the DVD MECHA ASS’Y.
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DISASSEMBLY INSTRUCTIONS NOTE Main Chassis Ass’y When installing the Clamper Magnet, install it with the green face up. When installing the wire of the Lever Switch, install it correctly as Fig. 3-4-B. When installing the Lever Switch, install it correctly as Traverse Holder Fig.
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DISASSEMBLY INSTRUCTIONS NOTE 3-9: GEAR (Refer to Fig. 3-9-A) Unlock the support 1. After the assembly of the Rack Feed, check if the Rack Feed 1/2 is moving smoothly. (Refer to Fig. 3-7-B) Remove the Middle Gear 1/2/3, Idler Gear and Feed Gear. In case of the Rack Feed Ass’y installation, install cor- rectly as Fig.
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DISASSEMBLY INSTRUCTIONS NOTE In case of the Idler Arm installation, install as the circled section of Fig. 3-10-B. In case of the Idler Arm Spring installation, install as the circled section of Fig. 3-10-C. In case of the Chassis Spring installation, install as the circled section of Fig.
DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction to 4. 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 REMOVAL AND INSTALLATION OF FLAT When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using a PACKAGE IC tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 5-3.) 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. 5-8.) 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 provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter SERVICE MODE, unplug AC cord till lost actual clock time. Then press and hold Vol (-) button of main unit and remocon key simultaneously.
PREVENTIVE CHECKS AND SERVICE INTERVALS The following standard table depends on environmental conditions and usage. Parts replacing time does not mean the life span for individual parts. Also, long term storage or misuse may cause transformation and aging of rubber parts. The following list means standard hours, so the checking hours depends on the conditions.
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PREVENTIVE CHECKS AND SERVICE INTERVALS CLEANING NOTE 2. TAPE RUNNING SYSTEM After cleaning the heads with isopropyl alcohol, do not When cleaning the tape transport system, use the run a tape until the heads dry completely. If the heads gauze moistened with isopropyl alcohol. are not completely dry and alcohol gets on the tape, 3.
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. NOTE: Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow at least 5 seconds before Power On.
MECHANICAL ADJUSTMENTS 1-2: CONFIRMATION AND ADJUSTMENT OF TENSION 1. CONFIRMATION AND ADJUSTMENT POST POSITION Read the following NOTES before starting work. Set to the PLAY mode. • Place an object which weighs between 450g~500g on the Adjust the adjusting section for the Tension Arm position Cassette Tape to keep it steady when you want to make so that the Tension Arm top is within the standard line of the tape run without the Cassette Holder.
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MECHANICAL ADJUSTMENTS 1-4: CONFIRMATION OF VSR TORQUE NOTE Install the Torque Gauge (JG002F) and Adapter (JG002B) If the torque is out of the range, replace the following parts. on the S Reel. Set to the Picture Search (Rewind) mode. Check item Replacement Part (Refer to Fig.1-4-B) Then, confirm that it indicates 120~180gf•cm.
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MECHANICAL ADJUSTMENTS 2-2: CONFIRMATION AND ADJUSTMENT OF AUDIO/ 2-3: TAPE RUNNING ADJUSTMENT CONTROL HEAD (X VALUE ADJUSTMENT) When the Tape Running Mechanism does not work well, Confirm and adjust the height of the Reel Disk. adjust the following items. (Refer to item 1-1) Confirm and adjust the position of the Tension Post.
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MECHANICAL ADJUSTMENTS 3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 1. Tension Connect P4 Post 2. Tension Arm T Brake Spring 3. Guide Roller T Reel 4. Audio/Control Head S Reel 5. X value adjustment driver hole Adjusting section for the Tension Arm position D2-4...
ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL FUNCTION FUNCTION OSD H BRI MAX ADJUSTMENTS OSD C BRI MIN CUT OFF CONT CENT Read and perform these adjustments when repairing the H.POSI CONT MAX circuits or replacing electrical parts or PCB assemblies. H.BLK L CONT MIN H.BLK R COL CENT...
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ELECTRICAL ADJUSTMENTS 2-7: HORIZONTAL SIZE (TV SECTION) Receive the monoscope pattern. 2-2: CONSTANT VOLTAGE Using the remote control, set the brightness and contrast Set condition is AV MODE without signal. to normal position. Using the remote control, set the brightness and contrast Activate the adjustment mode display of Fig.
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ELECTRICAL ADJUSTMENTS 2-12: PARABOLA 2-16: BRIGHT CENTER Receive the crosshatch signal from the Pattern Generator. Receive the monoscope pattern. (RF Input) Using the remote control, set the brightness and contrast Using the remote control, set the brightness and contrast to normal position. to normal position.
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ELECTRICAL ADJUSTMENTS 2-18: COLOR CENTER 2-19: SUB CONTRAST MAX Receive the color bar pattern. (RF Input) Activate the adjustment mode display of Fig. 1-1 and Using the remote control, set the brightness, contrast, press the channel button (21) on the remote control to color and tint to normal position.
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ELECTRICAL ADJUSTMENTS 3-3: STATIC CONVERGENCE 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. minutes before performing the following adjustments.
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ELECTRICAL ADJUSTMENTS 2. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CD002 AC IN CD1702 CP601 TP401 VCR DECK CP802A FB401 CP1704 DVD DECK CD604 CP604 CP8001 CP851A SPEAKER DVD DECK VR404 CP404 CP1702 CP303 VR1701 CP602B CP4502 CP001 CD303 DEFLECTION PCB CD851 CP4503 CP804...
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RELAY/SW/FG SCHEMATIC DIAGRAM M2002 M2001 BCD3B02 JCL9B61 (SW PCB) PCB640 VEBA17 (RELAY PCB) SW1AB-271-10A IMSA-9615S-08C-PP SLD.MTR(-) SLD.MTR(+) SP.MTR(-) SP.MTR(+) S1005X S1005Y S1005 L.SW S1004X S1004Y S1004 S1001X S1001Y S1001 S1003X S1003Y S1003 PCB68A S1002X S1002Y S1002 VEBA12 AWD28 SG-107F6 NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE...
WAVEFORMS RF_AMP/DSP Y/C/AUDIO/CCD/HEAD AMP 100ns 10µs 20µs 100mV 100mV 1.0V 2µs 20ns 10µs 1.0V 200mV 200mV MOTOTR DRIVE 500µs 1.0V 1.0V 500mV MPEG 20ns 500µs 2.0V 500mV 500mV AUDIO/VIDEO REGULATOR 2 10µs 100ns 20µs 500mV 200mV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
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WAVEFORMS MICON DEFLECTION DEFLECTION 20µs 20ms 10ms 200V 2.0V MICON 10ms 2.0V 50µs 2.0V SOUND AMP/ SURROUND 10ms 50µs 2.0V 200mV DEFLECTION DVD IN/OUT 10ms 50µs 2.0V 0.5V 5.0V Hi-Fi/DEMODULATOR CHROMA/IF 20µs 2.0V 0.5V 1.0V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
WAVEFORMS DIGITAL COMB FILTER CRT/SVM 20µs 20µs 20µs 0.5V 1.0V 20µs 0.5ms 20µs 0.5V 1.0V CHROMA/IF 20µs 20µs 10ms 0.5V 1.0V 0.5µs 50µs 100mV 0.5V 20µs 50µs 1.0V 2.0V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
CHASSIS EXPLODED VIEW (TOP VIEW) CD1501 M2003 UN4001 H5002 H5001 CD1502 M101 NOTE: Applying positions AA for the grease are CLASS MARK displayed for this section. GREASE Check if the correct grease is applied for each position. I2-1...
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CHASSIS EXPLODED VIEW (BOTTOM VIEW) M2001 CD1501 CD1502 NOTE: Applying positions AA for the grease are CLASS MARK displayed for this section. GREASE Check if the correct grease is applied for each position. I2-2...
DVD DECK EXPLODED VIEW CD2302 Do not disassemble the parts further CD2001 more than this condition, because PCB640 minute adjustments are needed. (SW PCB ASS'Y) M2002 PCB68A (RELAY PCB ASS'Y) CD2301 NOTE: Applying positions AA for the grease are CLASS MARK displayed for this section.