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Toshiba MV20FM4C, Service Manual

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Toshiba MV20FM4C Service Manual Download Page 38

The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram.

NOTE:

WAVEFORMS

 31 20.0V  20

µ

s/div

 28 0.5V  5ms/div

 27 1V  10ms/div

 26 5V  20

µ

s/div

CRT

 29 20.0V  20

µ

s/div

 30 20.0V  20

µ

s/div

 16   200mV  20

µ

s/div

CHROMA/IF

 15   100mV  20

µ

s/div

H-2

Summary of Contents for MV20FM4C

Page 1: ...SERVICE MANUAL COLOR TELEVISION VIDEO CASSETTE RECORDER FILE NO 140 200207 MV20FM4C ...

Page 2: ...ether there are the portions which are deteriorated around the serviced places serviced or not Check the insulation between the antenna terminal or external metal and the AC cord plug blades And be sure the safety of that INSULATION CHECK PROCEDURE 1 2 3 4 Unplug the plug from the AC outlet Remove the antenna terminal on TV and turn on the TV Insulation resistance between the cord plug terminals a...

Page 3: ...direction of the arrow by hand to slacken the Video Tape Rotate the Clutch Ass y either of the derections to wind the Video Tape in the Cassette Case Repeat the above step 3 4 Then take out the Video Cassette from the Deck Chassis Be careful not to scratch on the tape TAPE REMOVAL METHOD AT NO POWER SUPPLY Pinch Roller Cam Main Cam Clutch Ass y Main Chassis Front Side Loading Motor Screw 1 Capstan...

Page 4: ... OPERATION IN OUT HI FI PRINTED CIRCUIT BOARDS MAIN CRT SYSCON COMB OPERATION SCHEMATIC DIAGRAMS Y C AUDIO CCD HEAD AMP MICON POWER IN OUT CHROMA IF SOUND AMP HI FI IF DIGITAL COMB FILTER TV POWER DEFLECTION CRT OPERATION INTERCONNECTION DIAGRAM WAVEFORMS MECHANICAL EXPLODED VIEWS CHASSIS EXPLODED VIEWS MECHANICAL REPLACEMENT PARTS LIST CHASSIS REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS L...

Page 5: ...e Search Frame Advance 1 10 Slow Speed 1 10 G 3 Tuning Broadcasting System US System M System Tuner and System 1 Tuner Receive CH Destination US w CATV Tuning System F Synth Input Impedance VHF UHF 75 ohm CH Coverage 2 69 4A A 5 A 1 A I J W W 1 W 84 Intermediate Picture FP 45 75MHz Frequency Sound FS 41 25MHz FP FS 4 5MHz Preset CH No Stereo Dual TV Sound US Stereo Tuner Sound Muting Yes G 4 Signa...

Page 6: ...f Yes Auto Repeat On Off Yes System Setup Yes Clock Set Yes Calendar 12h Language Yes Auto Clock On Off Yes Standard Time Yes Daylight Saving Time Yes Commercial Advance No Marking On Off No Blueback On Off No Playback Auto Manual No Unmarked Tape No Movie Advance No Go To Movie No Go To Preview No G CODE or SHOWVIEW or PLUSCODE No Entry No Clock Date Yes CH AV Yes Tape Counter Linear Counter Yes ...

Page 7: ... Remocon Yes Format NEC Custom Code 40 BFh 44 BBh Power Source Voltage D C 3V UM size x pcs UM 4 x 2 pcs Total Keys 44 Keys Keys Power Yes 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes Input Select Yes Play Yes F Fwd Yes Rew Yes Pause Still Yes Stop Yes Rec OTR Yes 2Keys Eject Yes Counter Reset Yes Speed Yes Timer Rec Yes 2Keys TV M...

Page 8: ...Star Yes Protect of FBT Leak Curcuit Yes Zero Return Yes Power On Memory No Dirty Head No V chip USA V chip No CANADA V chip No CM Advance No Movie Advance No G 14 Accessories Owner s Manual Language English French w Guarantee Card Yes Remote Control Unit Yes Battery Yes UM size x pcs UM 4 x 2 pcs No Rod Antenna No Poles Terminal Loop Antenna No Terminal U V Mixer No 300 ohm to 75 ohm Antenna Adap...

Page 9: ...CA x 2 Stereo Video Output RCAx1 Audio Output RCA x 2 Stereo Euro Scart No Diversity No Ext Speaker No DC Jack 12V Center No VHF UHF Antenna Input F Type AC Inlet No G 16 Set Size Approx W x D x H mm 574 x 483 x 514 5 G 17 Weight Net Approx 26 5 kg 58 5 lbs Gross Approx 28 5 kg 62 9 lbs G 18 Carton Master Carton No Content Material Dimensions W x D x H mm Description of Origin Gift Box Yes Materia...

Page 10: ...1 4 1 2 3 4 5 6 7 8 Remove the screw 1 Remove the Main PCB Holder Remove the screw 2 Remove the TV PCB Holder Remove the 2 screws 3 Remove the 3 screws 4 Disconnect the following connectors CP810A CP820A CP403 and CD402 Remove the Main PCB in the direction of arrow 1 2 CRT PCB Refer to Fig 1 2 CAUTION BEFORE REMOVING THE ANODE CAP DISCHARGE ELECTRICITY BECAUSE IT CONTAINS HIGH VOLTAGE BEFORE ATTEM...

Page 11: ... arrow A Remove the screw 3 Remove the Bottom Shield in the direction of arrow B 1 6 DECK CHASSIS Refer to Fig 1 6 1 2 3 4 5 Remove the screw 1 Remove the Plate Cover Light Remove the 3 screws 2 Disconnect the following connectors CP1001 CP4001 CP4002 and CP4003 Remove the Deck Chassis and AC Head Cover in the direction of arrow Fig 1 5 Syscon PCB A Deck Holder B Jack Plate 1 3 2 2 3 1 Deck Shield...

Page 12: ...cker R 1 2 3 Link Unit NOTE 1 2 In case of the Locker R installation check if the two positions of Fig 2 3 B are correctly locked When you install the Cassette Side R be sure to move the Locker R after installing 2 4 LINK UNIT Refer to Fig 2 4 Set the Link Unit to the Eject position Unlock the support 1 Remove the A side of the Link Unit first then remove the B side 1 2 3 Fig 2 4 2 5 LINK LEVER FL...

Page 13: ...oading Motor 1 Main Chassis Worm NOTE 1 2 In case of the Worm installation check if the value of the Fig 2 6 B is correct In case of the Loading Motor installation hook the wire on the Cassette Opener as shown Fig 2 6 C Fig 2 6 B 19 2 0 1mm Safety surface for pressing of the insert Fig 2 7 B Fig 2 7 D Tension Band Tension Spring 1 2 4 Tension Band Tension Arm Ass y 3 1 Tension Holder Tension Conne...

Page 14: ...se gloves Refer to Fig 2 9 A Do not adhere the stains on it When you install the reel clean the shaft and grease it If you do not grease noise may be heard in FF REW mode After installing the reel adjust the height of the reel Refer to MECHANICAL ADJUSTMENT 1 2 3 4 5 6 Fig 2 9 A S Reel 1 A T Reel A 1 Idler Arm Ass y Idler Gear NOTE 1 2 In case of the S Reel and T Reel installation check if the cor...

Page 15: ...the screw 3 1 2 3 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 1 2 Fig 2 10 A 1 Cassette Opener P5 Arm Ass y Pinch Roller Block Main Chassis NOTE Do not touch the Pinch Roller Use gloves In case of the Pinch Roller Block and the Pinch Roller Cam installation install correc...

Page 16: ...he Main Loading Gear Remove the Main Rod Tension Lever Loading Arm S Unit and Loading Arm T Unit 1 Main Rod Main Loading Gear Tension Lever Loading Arm T Unit Loading Arm S Unit Fig 2 16 A 2 14 CAPSTAN DD UNIT Refer to Fig 2 14 A Remove the Capstan Belt Remove the 3 screws 1 Remove the Capstan DD Unit 1 2 3 Screw Torque 4 0 5kgf cm Capstan DD Unit Capstan Belt 1 1 1 In case of the Capstan DD Unit ...

Page 17: ...r Fig 2 18 B Fig 2 18 C Cassette Guide Post Cassette Guide Post 2 17 Remove the Polyslider Washer 1 Remove the Clutch Ass y and Ring Spring Remove the Clutch Lever Remove the Coupling Gear Coupling Spring and Clutch Gear 1 2 3 4 Fig 2 17 A NOTE 1 When you install the Loading Arm S Unit Loading Arm T Unit and Main Loading Gear align each marker Refer to Fig 2 16 B Fig 2 16 B Loading Arm T Unit Main...

Page 18: ...ip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 3 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 3 1 Fig 3 2 3 After one side is removed pull in the opposite direction to remove the other NOTE DISASSEMBLY INSTRUCTIONS INSTALLATION 1 Clean the spot where the cap was located with a sm...

Page 19: ...using a blower type IC desoldering machine Refer to Fig 4 2 2 Fig 4 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desoldering the IC leads completely When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering...

Page 20: ...4 8 Thin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be always sure to replace the IC in this case Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnormality is found on the soldering position and insta...

Page 21: ...lop Frequency Generator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground High Pass Filter I K L M N O P R S H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L P F LUMI M MAX MINI MIX MM MOD MPX MS SW NC NR OSC OPE PB PB CTL PB C PB Y PCB P CON PD PG P P R REC REC C REC Y REEL BRK REEL S REF REG REW REV RVS RF RMC RY S CLK S COM S DATA SEG SEL SENS SER SI ...

Page 22: ...tor Separation Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source Vertical Synchronization Voltage Tuning Crystal Luminance Chrominance C1 2 ...

Page 23: ...s during PLAY VOL MIN 5 POWER ON total hours and PLAY REC total hours are displayed on the screen Refer to the PREVENTIVE CHECKS AND SERVICE INTERVALS CONFIRMATION OF HOURS USED Can be checked of the INITIAL DATA of MEMORY IC Refer to the WHEN REPLACING EEPROM MEMORY IC VOL MIN 6 VOL MIN 1 VOL MIN 9 Display of the Adjustment MENU on the screen Refer to the ELECTRICAL ADJUSTMENT On Screen Display A...

Page 24: ...ontact with the tape Replace when rolling becomes abnormal Clean the Head Clean the rubber and parts which the rubber touches CONFIRMATION OF HOURS USED POWER ON total hours and PLAY REC total hours can be checked on the screen Total hours are displayed in 16 system of notation NOTE If you set a factory initialization the total hours is reset to 0 The confirmation of using hours will not be possib...

Page 25: ... in the same manner Refer to the figure below 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in isopropyl alcohol Hold it to the cylinder head softly Turn the cylinder head counterclockwise to clean it in the direction of the arrow Refer to the figure below NOTE Do not exert f...

Page 26: ...ected it will blink Again step through the DATA using SET or button until required DATA value has been selected Pressing ENTER will take you back to ADDRESS for further selection if necessary Repeat steps 3 to 6 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input Enter DATA SET mode by setting VOLUME to minimum Whi...

Page 27: ...rque S Reel JG154 APJG154000 Cable Used to connect the test point of SERVICE and GROUND APJG022000 JG022 Master Plane Reel Disk Height Adjustment JG024A APJG024A00 Reel Disk Height Adjustment Jig Reel Disk Height Adjustment JG153 APJG153000 X Value Adjustment Screwdriver X Value Adjustment Tentelometer PREPARATION FOR SERVICING 1 2 3 Remove the Main PCB and Syscon PCB from the set Be sure to place...

Page 28: ...es 20 2gf in the beginning of playback 1 2 USING A CASSETTE TYPE TORQUE TAPE KT 300NR 1 2 3 After confirmation and adjustment of Tension Post position Refer to item 1 2 load the cassette type torque tape KT 300NR and set to the PLAY mode Confirm that the right meter of the torque tape indicates 50 90gf cm during playback in SP mode Confirm that the left meter of the torque tape indicates 25 40gf c...

Page 29: ...if you press the Tracking Button to move the envelope The envelope waveform will begin to decrease when you press the Tracking Button Adjust the PG shifter during playback Refer to the ELECTRICAL ADJUSTMENTS 1 2 3 4 5 6 7 NOTE After adjustment confirm and adjust A C head Refer to item 2 2 CH 2 SW Pulse TP1002 CH 1 Track CH 2 Track CH 1 Envelope TP4001 Fig 2 1 A Entrance Exit Max A B 3 2 A Max B Fi...

Page 30: ... is appeared then adjust the a P4 Cap Fig 2 2 A Audio Control Head 1 3 2 Fig 2 2 B Audio Control Head Fig 2 2 C TAPE RUNNING ADJUSTMENT X VALUE ADJUSTMENT Confirm and adjust the height of the Reel Disk Refer to item 1 1 Confirm and adjust the position of the Tension Post Refer to item 1 2 Adjust the Guide Roller Refer to item 2 1 Confirm and adjust the Audio Control Head Refer to item 2 2 Connect ...

Page 31: ...USTMENT PARTS LOCATION GUIDE 5 6 7 8 9 10 1 2 3 4 1 Tension Connect 2 Tension Arm 3 Guide Roller 4 Audio Control Head 5 X value adjustment driver hole 6 7 8 9 10 P4 Post T Brake Spring T Reel S Reel Adjusting section for the Tension Arm position ...

Page 32: ...sing to the down of Head Switching Pulse becomes 6 5 0 5H Refer to Fig 2 1 A B Press the Tracking Auto button 6 5H 6 5H Fig 2 1 B CH 2 CH 1 CH 1 CH 2 Fig 2 1 A 2 BASIC ADJUSTMENTS 2 2 VCO FREERUN 1 2 3 4 5 Receive the VHF HIGH 63dB Place the set with Aging Test for more than 10 minutes Connect the digital voltmeter between the pin 7 of CP602 and the pin 1 GND of CP602 Activate the adjustment mode ...

Page 33: ...ntil the digital voltmeter is 115 0 5V 2 9 HORIZONTAL PHASE 1 2 3 4 Receive the monoscope pattern Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 05 on the remote control to select H PHASE Press the VOL UP DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on right and ...

Page 34: ...stment mode display of Fig 1 1 and press the channel button 16 on the remote control to select TINT Press the VOL UP DOWN button on the remote control until the section A becomes a straight line Refer to Fig 2 2 Receive the color bar pattern Audio Video Input Press the INPUT SELECT button on the remote control to set to the AV mode Then perform the above adjustments 2 5 2 14 SUB CONTRAST 1 2 3 Act...

Page 35: ... control to select SHARPNESS Check if the step No of SHARPNESS is 38 Press the INPUT SELECT button on the remote control to set to the AV mode Then perform the above adjustment 1 2 2 19 H VCO 1 2 Activate the adjustment mode display of Fig 1 1 and press the channel button 04 on the remote control to select H VCO Check if the step No of H VCO is 3 ...

Page 36: ... performing adjustments in section 3 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity magnets so the color at the ends are equally wide Move the deflection yoke backward to neck side slowly and stop it at the position when the whole screen is green Confirm red and blue color Adjust th...

Page 37: ... AMP 2 POWER ON 100mV 0 1µs div 1 PB 0 5V 20µs div 5 REC 10 0V 5us div 3 PB 10mV 20us div 4 PB 0 5V 1ms div MICON 10 PB 1 0V 5ms div 8 POWER ON 1 0V 10µs div 9 PB 1 0V 10ms div 7 POWER ON 0 5V 10ms div 11 PB 0 5V 0 5ms div 12 PB 1 0V 0 5ms div TV POWER 24 REC PB 5V 0 1ms div HI FI 22 200mV 1ms div 23 200mV 1ms div DEFLECTION 25 0 5V 20µs div H 1 ...

Page 38: ...t the point of the corresponding balloon number in the schematic diagram NOTE WAVEFORMS 31 20 0V 20µs div 28 0 5V 5ms div 27 1V 10ms div 26 5V 20µs div CRT 29 20 0V 20µs div 30 20 0V 20µs div 16 200mV 20µs div CHROMA IF 15 100mV 20µs div H 2 ...

Page 39: ...201 201 201 201 201 201 124 205 123 203 203 203 203 L503 V801 115 129 129 PCB110 CRT PCB J801 PCB070 MAIN PCB 212 207 207 FB401 210 210 211 117 A 114 206 SP351 206 101 118 121 B 202 120 PCB030 OPERATION PCB 119 206 122 206 206 SP352 ...

Page 40: ...113 205 205 205 209 126 125 205 205 214 A 213 116 130 103 105 112 112 207 208 201 201 B PCB010 SYSCON PCB TU601 212 109 206 PCB300 COMB PCB 106 110 205 108 102 128 111 204 MECHANICAL EXPLODED VIEW I1 2 ...

Page 41: ...ect grease is applied for each position NOTE MARK CLASS GREASE AA 312 315 UN4001 M2003 502 504 H5001 503 306 305 332 507 335 342 322 508 324 302 506 304 M101 501 H5002 323 508 341 331 334 333 314 301 313 307 300 317 309 336 346 345 321 319 320 AA 316 318 325 347 AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA I2 1 ...

Page 42: ... 330 505 510 338 510 337 340 509 308 344 327 343 326 328 AA AA AA AA AA AA AA AA AA AA AA AA AA CD1501 CD1502 AA Applying positions AA for the grease are displayed for this section Check if the correct grease is applied for each position NOTE MARK CLASS GREASE AA I2 2 ...

Page 43: ... A5B4020740 CABINET BACK ASSY 125 BZ710638 752WSA0277 PLATE DECK SHIELD ASS Y 126 BZ710012 761WPA0151 HOLDER M PCB 128 BZ710251 800WFA0037 CUSHION 15x5xT 6 129 BZ710259 762WPA0011 HOLDER CRT WIRE 130 BZ710331 753WUAA006 SPRING EARTH HEAD AMP 201 BZ710036 8117540B04 SCREW TAPPING B0 TRUSS 4x20 202 BZ710031 8110630A04 SCREW TAP TITE P BRAZIER 3x10 203 BZ710275 8121J50B54 SCREW TAPPING B0 GW20 5x28 2...

Page 44: ...HOLDER TENSION 332 BZ710366 85OP400520 CAP P4 333 BZ710539 85OP400539 BAND TENSION 334 BZ710540 85OP400533 CONNECT TENSION 335 BZ710541 85OP600573 ARM BRAKE T 336 BZ710542 85OP600583 BAND BRAKE T 337 BZ710543 85OP600577 CAM PINCH ROLLER 338 BZ710544 85OP600578 CAM MAIN 339 BZ710545 85OP600579 ROD MAIN 340 BZ710546 85OP600582 GEAR JOINT 341 BZ710110 85OP800322 SPRING TENSION 342 BZ710547 85OP800360...

Page 45: ...F 500V B C520 BZ110207 E02LT2102M CE 1000 UF 16V C521 BZ110130 E62NFC221M CE 220 UF 200V C523 BZ110029 E5EZT3471M CE 470 UF 25V C524 BZ110053 E02LF3102M CE 1000 UF 25V C529 BZ110051 CB3930MH3M CC 0 0022UF 250V C530 BZ110051 CB3930M13M CC 0 001 UF 250V C531 BZ110129 E5EZF2222M CE 2200 UF 16V C533 BZ110051 CB3930M13M CC 0 001 UF 250V C540 BZ110191 C03L0R7E3K CC 0 0015UF 2KV R C741 BZ110208 E02L052R2...

Page 46: ...20 IC AN7522 IC401 BZ611025 I03TD80400 IC LA78040 IC501 BZ611097 I0WD015070 IC TEA1507P N1 IC506 BZ410088 0002E00610 PHOTO COUPLER LTV 817M VB IC601 BZ611055 I06FC61206 IC M61206FP IC602 BZ611089 I1KA98R09A IC KIA78R09API IC603 BZ611054 I1KA98R050 IC KIA78R05PI IC901 BZ611079 I05FE90A45 IC TC90A45F IC1001 BZ611093 I56F57071A IC OEC7071A IC1002 BZ611057 IC7J0311A0 IC R3111N311A C TR IC1099 BZ610331...

Page 47: ...COMPOUND TRANSISTOR KRC102SRTK Q4206 BZ510071 TNAAB05003 COMPOUND TRANSISTOR KRC102SRTK Q4210 BZ510001 T6YJ1037K0 TRANSISTOR SILICON 2SA1037AKT146R S Q4211 BZ510002 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S Q4212 BZ510001 T6YJ1037K0 TRANSISTOR SILICON 2SA1037AKT146R S Q5501 BZ510002 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S COILS TRANSFORMERS L301 BZ310002 021673101K COIL 100 UH L302 BZ3...

Page 48: ...CONNECTOR CU123201 CD402 BZ614066 06CH01004A CORD CONNECTOR CH01004A CD501 BZ614341 120R414903 CORD AC BUSH 0R414903 CD506 BZ614377 069X620009 CONNECTOR JM 2W 96 CD604 BZ614059 06CH01006A CORD CONNECTOR CH01006A CD702 BZ614206 06CU2B2801 CORD CONNECTOR CU2B2801 CD757 BZ614207 06CU2A2501 CORD CONNECTOR CU2A2501 CD802 BZ614378 06CU823001 CORD CONNECTOR CU823001 CD803 BZ614384 WDL6030038 FLAT CABLE A...

Page 49: ...03P 2100 PH002 BZ614016 069W01001A CONNECTOR PCB SIDE 003P 2100 RY501 BZ612009 0560V20115 RELAY ALKS321 SP351 BZ614381 070C546004 SPEAKER C109 410 149A SP352 BZ614381 070C546004 SPEAKER C109 410 149A TH501 BZ410079 DF5EL3R0A0 DEGAUSS ELEMENT ZPB45BL3R0A TM101 BZ614312 076D0DQ040 TRANSMITTER TOT201N06050 TU601 BZ310341 0145K00056 TUNER VHF UHF TECC1040PG32E V801 BZ614382 098W210438 CRT W DY A51LVV8...

Page 50: ...SERVICE MANUAL COLOR TELEVISION VIDEO CASSETTE RECORDER FILE NO 140 200207 MV20FM4C ...

Page 51: ...CP602 VR502 R 5 0 2 T501_1 VR402 CP803A CP820A CP403 L501 TP501_1 S501 S502 AC IN MAIN PCB SYSCON PCB CP502 CRT L503 CD402 CP820B CP802_1 CRT CD802 S801 TP806 CP803B TP804 R 8 0 8 R 8 0 4 CP805 CRT PCB CD702 OPERATION PCB CP810A_1 CRT CP401 COMB PCB FB401_1 VR401 CD356 SP352 CD757_2 CD604 CD4001 SP351 CD355 S803 J801 TO BRIDED WIRE GND TP4201 CP810B CP805B ...

Page 52: ...301 M62420SP 7 14 2 19 9 10 SP352 SPEAKER SOUND AMP IC352 AN7522 2 4 6 1 9 5 HEADPHONE JACK J351 SP351 SPEAKER 12 10 8 2 6 7 5 4 3 1 Q403 Q404 SW IC602 KIA78R09API 9V REG L503 DEGAUSS COIL IC603 KIA78R05PI 5V REG P CON 9V P CON 5V Q502 PROTECT DRIVE AT 30V Q503 SWITCHING Q505 SWITCHING D501 RECTIFIER Q405 H DRIVE Q651 SW P CON 8V H CONTROL MICON OPERATION IN OUT DIGITAL COMB FILTER IC901 TC90A45F ...

Page 53: ... P CON 5V 4 C ROT RF SW IN AUDIO MUTE HA SW ENV DET Q4006 BIAS OSC Q4003 SW Q4001 Q4002 AUDIO PB SW Q4012 BUFFER COIL BIAS OSC R HA GND P P R P L H L C LPF REC AMP AUTO BIAS EQ AMP PB EE MUTE LINE AMP LPF ALC 1 2 3 R P 1 2 3 28 QV QH 60B SYNC SEP VIDEO AGC VX01 PLL REC APC REC APC VSS R P Main CONV 3 58M BPF2 B UP AMP AGC ACC DET 3 58M BPF1 YNR COMB OUT CCD AUTO BIAS VCA V REC_ST H HI FI MICON OPE...

Page 54: ... AUDIO CCD HEAD AMP TV CAPSTAN DD UNIT TV_POWER_H FF REW L 97 73 CTL AMP OUT Q1004 FF REW_SW VCR_POWER_H 82 TV_A_MUTE TV_A_MUTE 2 1 MSSEN B MSSEN A 1 4 3 2 1 4 3 2 MS_SEN A Q1009 MS_SEN B Q1003 AT 5 6V P CON 5V 20 REC OTR 69 CS 6 VIDEO ENV 81 VCR_A_MUTE Y C AUDIO CCD HEAD AMP Y C_CS ENV_DET VCR_A_MUTE 41 X RAY_TEST X RAY_TEST 1 CAP_FG 12 CAP LIMIT 77 90 DRUM PWM LDM CTL DRUM FG PG 18 VIDEO H SW H ...

Page 55: ...FI_ENV SCL SDA ST_SELECT REAR_AUDIO_IN_R HF1 HF_COM FSC HF2 Y C_AUDIO NORMAL_A Y C AUDIO CCD HEAD AMP 51 58 40 P CON 9V P CON 5V INPUT SW AMP AMP OUTPUT SW PNR BPF FM LIM DEM BLOCK AMP AMP AGC LOGIC VCO FO ADJ LOGIC 25 REAR_AUDIO_IN_L AUDIO_OUT_R AUDIO_OUT_L MICON OPERATION IN OUT TV MICON OPERATION IN OUT AUDIO_OUT_R AUDIO_OUT_L FRONT_AUDIO_IN_L FRONT_AUDIO_IN_R E 7 E 8 ...

Page 56: ..._1 W016 W017 W027 R423 W018 D524 C523 Q505 Q403 C543 C417_1 W029 W028 R830 S801 TP806 CP803B J 8 0 1 TP805 TP804 W827 Q810 Q812 Q811 D801 D803 D802 Q802 Q803 Q801 L802 L804 R806 R 8 0 8 R 8 0 4 R828 R829 CP802_1 C814 C429_1 C517_1 D412 D505 D509 D512 D514 D519 D523 R447 W804 CP805 CP820A D506 Q406_1 W801 W802 W003 C533 C530 CP403 CP810A_1 R 5 2 9 W004 CP502 C506 R501 L501 C505 FH502 F501 FH501 TP5...

Page 57: ... R809 R814 R815 R805 R817 C804 R813 R523 R510 R531 C541 R535 R533 R534 C528 R525 R532 C554 R520 R431 R428 R412 R515 R513 C807 R811 R812 R810 C502 W810 R516 PRINTED CIRCUIT BOARDS MAIN CRT CHIP MOUNTED PARTS SOLDER SIDE F 3 F 4 ...

Page 58: ...5 W364 W362 W301 W211 W212 R4026 W272 R1006 R1016 W246 W171 W169 W263 W264 W265 W266 C1011 W367 W260 TP1001 TP1002 TP5502 W078 W080 W075 W081 W202 R685 W100 W076 W178 W255 W186 W273 W275 W220 W193 W192 W195 W219 W218 W182 W184 W088 W217 W215 W163 W947 W049 W050 W052 W053 W041 W055 R353 R359 W154 W237 W328 CY901 C916 C907 L904 L903 W388 C903 W289 W118 W112 W097 W253 W176 W177 D1014 R1039 D1001 W167...

Page 59: ...4012 C4060 R4043 C4064 R4039 C4066 R4042 R4054 C4059 Q4010 C4054 R4032 Q4009 R4029 Q4007 R4028 C4044 R4034 R4025 C4038 C4037 C4036 R4024 R4023 C4075 C4020 C4005 C4006 R4010 C4028 R4017 R4022 C4032 C4033 R4021 R4018 R4019 C4029 R4020 R4014 C4022 R4005 C4014 R4055 R4047 R4046 R4035 C622 C626 C634 R614 C621 C618_1 C636 C625 R608 C628 C627 R609 C640 R625 C650 R633 C654 R646 C661 R638 R647 C644 R643 R6...

Page 60: ...R776 R777 R778 R793 SW751_1 SW791 SW792 SW793 SW794 SW795 SW796 SW797 SW798 SW799 W804 W806 W809 W002 W006 W007 W008 W010 W013 W014 C755 W015 W016 W017 W018 W019 W020 CD355 CD356 W005 W004 W023 W009 W012 W024 W011 CD757_2 OS753 C352 W813 W808 W812 PRINTED CIRCUIT BOARDS OPERATION SOLDER SIDE F 9 F 10 ...

Page 61: ...33 6 3V KA C4025 470 6 3V YK C4004 220 6 3V YK C4034 4 7 25V KA X4001 100CT3R502 Q4009 2SA1037AK BUFFER Q4010 2SA1037AK BUFFER Q4005 KTA1266 BIAS CTL Q4007 2SC2412K SYNC IN Q4012 2SC2412K BUFFER Q4013 2SC2412K AMP Q4006 KTC3203_Y BIAS OSC Q4002 KTC3198 AUDIO PB SW Q4001 KTC3198 AUDIO PB SW L4007 STP 01064 15 6KHZ TRAP 1 2 3 4 6 FSC COMP H SW Y C_CS ENV_DET C_ROTARY Y C_CLK P CON 5V H AMP_SW1 Y C_D...

Page 62: ...SCL OSD_R OSD_G OSD_B CAP_CTL REEL_T Y C_CS HIFI_H SW CYL_CTL Y C_CLK OSD_BLK SD_SYNC AT 5V UCON Y C_DATA V REC_ST_H CENTER_LED SCL GND SDA ST_SELECT P CON 5V VCR_A_MUTE AT 12V MOTOR_GND POWER_FAIL STANDBY H Y C_CLK Y C_DATA Y C_CS H SW SD_VIDEO CAP_FG ENV_DET HD VCR_A_MUTE VD CTL CAP_F R CTL CAP_LIMIT C_ROTARY DUMMY_V SYNC V REC_ST_H VCR_A_MUTE TAB_SW H AMP_SW1 CAP_CTL TV_A_MUTE COMP LDM_CTL EXT_...

Page 63: ... R690 1K 1 2W R668 470 1 4W R644 100 1 4W R669 1K 1 4W R662 100 R686 100 R667 15 1 4W R663 100 R682 100 C608 1 F C694 100 6 3V YK C688 1 50V YK C677 47 35V YK C643 1 50V YK C680 22 35V YK Q602 KTC3203_Y REG Q603 KTC3203_Y REG Q605 2SC13840W REG Q606 2SC13840W REG Q608 2SC13840W REG P CON 5V GND GND AT 12V MOTOR_GND AT 5V UCON AT 5V BACKUP P CON 5V GND AT 5V UCON P CON 9V GND P CON 9V P CON 5V GND ...

Page 64: ...P CH C4204 470P CH C4203 0 001 B C4201 0 01 B C4205 0 01 B C4214 470P CH C4209 470P CH C4210 470P CH C4213 470P CH C4208 1 F C4216 1 F C4222 470P CH C4207 4 7 25V KA C4211 470 16V YK C4220 100 16V YK C4245 4 7 50V YK Q4210 2SA1037AK MUTE SW Q4212 2SA1037AK BUFFER Q4203 2SC2412K MUTE SW Q4211 2SC2412K CH MUTE SP_OUT_R SOUND_R SP_OUT_L SOUND_L SOUND_GND FRONT_A_IN_R FRONT_A_IN_L FRONT_V_IN REC_LED A...

Page 65: ...23_1 100P CH C613 0 1 B C734 0 001 B C700 0 0012 B C629 22P CH C614 0 01 B C621 0 01 B C601 10P CH C615_1 0 001 B C639 0 01 B C676 150P CH C644 0 039 B C602 0 01 B C653 0 01 B C656 0 01 B C661 1 B C640 0 1 B C660 0 1 B C664 1 63V MKT C669 0 01 B C658 0 22 B C654 18P CH C647 0 01 B C651 47P CH C628 180P CH C625 1 F C650 0 015 B C636 0 01 B C626 0 1 B C622 0 22 B C624 220 16V YK C632 2 2 50V KA X602...

Page 66: ...323 1 50V KA C350 0 1 50V KA C309 47 16V YK R353 68K 1 4W R358 390 R313 390 R310 220 1 4W R309 220 1 4W R359 47K 1 4W R357 100K 1 4W R316 3 9K R311 100K R318 100 R307 1 8K R306 1 8K R303 3 9K R302 3 3K R317 100 R305 4 7K R304 4 7K R308 3 3K C318 100P CH C319 100P CH C317 0 1 MMTS C310 0 022 B C308 0 001 B C316 0 1 B C303 0 033 B C302 0 033 B C304 0 022 B C306 0 47 B C305 0 022 B C307 0 47 B C312 1...

Page 67: ...V KA C5537 1 50V KA C5565 1 50V KA C5550 47 6 3V KA C5531 47 6 3V KA C5527 10 16V KA C5525 10 16V KA C5526 4 7 25V KA C5533 1 50V KA C5532 4 7 25V KA C5539 33 6 3V KA C5518 3 3 50V KA C5510 47 16V KA Q5501 2SC2412K BUFFER FSC SDA SCL P CON 5V P CON 5V TU2_AUDIO VCR_A_MUTE AUDIO_OUT_L AUDIO_OUT_R FRONT_A_IN_L FRONT_A_IN_R REAR_A_IN_L REAR_A_IN_R V REC_ST_H AUDIO_OUT_R AUDIO_OUT_R HIFI_ENV AUDIO_OUT...

Page 68: ... NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS W982 R6034 6 8K MONITOR_V AFT_R VIDEO_OUT VIDEO_OUT VIDEO_OUT GND AFT_R MONITOR_V TO CHROMA IF FROM TO POWER FROM Y C AUDIO HEAD AMP TO IN OUT SYSCON PCB IF SCHEMATIC DIAGRAM VMA245 PCB010 G 15 G 16 ...

Page 69: ...10 1K R911 3 3K R912 6 8K R913 1K R905 1K R904 560 R908 1 2K R906 1K R909 100 R901 27K R903 24K R902 1K R914 820 C921 0 1 B C920 56P CH C924 100P CH C923 150P CH C922 220P CH C917 0 01 B C919 120P CH C913 0 01 B C906 0 01 B C904 27P CH C901 0 01 B C902 0 01 B C905 0 01 B C908 100P CH C910 0 01 B C909 180P CH C911 0 01 B C912 0 01 B C916 47 16V YK Q903 2SC2412K BUFFER Q902 2SC2412K BUFFER Q901 2SC2...

Page 70: ...SS133 D506 1N4937 D523 SB290S D526 1SS133 D524 11E1 EIC IC501 TEA1507P N1 POWER CONTROL IC 1 2 3 4 5 6 7 8 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D528 MTZJ5 6B D517 MTZJ4 7B D515 MTZJ33B W821 W801 W810 W804 W809 W802 C510 10 100V MHE C542 47 25V YK R507 100 1 4W R500 2 7M 1 2W R515 10K R513 10K R511 22 1 2W R532 1K R525 470 R554 18K 1...

Page 71: ...3 D413 1N4937 DEFLECTION SIGNAL OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CAUTION DIGITAL TRANSISTOR D402 MTZJ30B D407 MTZJ30B D409 HZ11B3L D410 MTZJ6 8B L401 4 7mH 0909 W816 W823 W817 W854 W814 W835 C406 100 35V YK C431 22 250V YK C422 1 250V MHE C405 1 50V YK C407_1 2200 25V YK R408 680 1 2W R456 120 1 2W R460 100 1 4W R418 1 1 2W R490...

Page 72: ... CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP803B B2013H02 6P 1 2 3 4 5 6 CP802_1 A2361WV2 2P 1 2 L802 82uH 0607 L804 82uH 0607 L801 100uH W850 W827 W849 W853 W808 C814 2 2 250V YK R815 220 R809 56 R828 2 7K 1 4W R805 56 R813 220 R817 220 R807 56 R814 220 R819 220 R829 2 7K 1 4W R830 2 7K 1 4W R811 1 8K R810 1 8K R821 220 R812 1 8K C806 680P CH C807 220P CH C804 6...

Page 73: ... 8 9 DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CD356 CU123201 1 2 CD355 CU123201 1 2 W808 W812 W813...

Page 74: ..._VIDEO_IN GND GND GND SP OUT L SP OUT L TO OS753 COMMAND TRANSMITTER TM101 1 2 3 FROM TM101 OS753 Vout B GND MOTOR_GND X RAY_STOP NC MOTOR_GND AT 30V AT 13V UNREG 8V AT 12V UNREG 8V GND GND CUT_OFF GND G OUT R OUT B OUT VMA245 PCB010 SYSCON PCB NC NC NC NC NC TU601 14 15 12 13 11 10 9 8 7 6 5 4 3 2 1 IF 30V SDA SCL AGC 5V INTERCONNECTION DIAGRAM CD702 FRONT_A_IN_R SOUND_OUT_R SP_OUT_R SOUND_GND FR...

Page 75: ...TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B 06 01 ALEXANDRA TECHNOPARK SINGAPORE 119968 ...

Page 76: ...TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B 06 01 ALEXANDRA TECHNOPARK SINGAPORE 119968 ...

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