Toshiba MV19N2 Service Manual Download | Manualshive

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A1-2

1.

2.
3.
4.
5.

Remove the VCR block from the main unit.
(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.
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 DD Unit

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Summary of Contents for MV19N2

Page 1: ...SERVICE MANUAL COLOR TELEVISION VIDEO CASSETTE RECORDER MV19N2 FILE NO 140 200216 DOCUMENT CREATED IN JAPAN Dec 2002 ...

Page 2: ...s or whether 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 term...

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: ...JUSTMENTS ELECTRICAL ADJUSTMENTS BLOCK DIAGRAMS TV Y C AUDIO HEAD AMP MICON IN OUT AV PRINTED CIRCUIT BOARDS SYSCON CRT SCHEMATIC DIAGRAMS Y C AUDIO HEAD AMP MICON IN OUT AV CHROMA IF SOUND AMP TV POWER DEFLECTION CRT INTERCONNECTION DIAGRAM WAVEFORMS MECHANICAL EXPLODED VIEWS CHASSIS EXPLODED VIEWS MECHANICAL REPLACEMENT PARTS LIST CHASSIS REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST ...

Page 5: ...stem US System M System Tuner and System 1Tuner 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 No Tuner Sound Muting Yes G 4 Signal Video Signal Input Level 1 V p p 75 ohm Output Level S N Ratio Weighted 50dB...

Page 6: ...To Movie No Go To Preview No G CODE or SHOWVIEW or PLUSCODE No Entry No Clock Yes CH AV Line Yes Tape Counter Linear Counter Yes Tape Speed Yes Sleep Time Yes Stereo Audio Output No Bilingual No SAP No Control Volume Yes Level Bright Contrast Sharpness Color Yes Tint Yes Bass Treble Balance No Manual Tracking Yes Play Stop FF Rew Rec OTR T Rec Pause Eject Tape In Symbol Mark Yes Auto Tracking Manu...

Page 7: ...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 Monitor No Quick View Yes Program Yes Slow No Auto Tracking Yes Set Tracking Yes Set Tracking Yes Menu Yes Enter Yes Cancel Yes Call Yes TV Caption Text Yes Sleep Timer Yes Mute Yes ...

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

Page 9: ...ideo Output No Audio Output No 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 489 x 465 x 486 G 17 Weight Net Approx 19 0kg 41 8 lbs Gross Approx 22 0kg 48 5 lbs G 18 Carton Master Carton No Content Material Dimensions W x D x H mm Description of Origin Gift Box Yes Material Double White Dimensions W x D x ...

Page 10: ... the direction of arrow Fig 1 1 Front Cabinet 1 3 TV VCR BLOCK Refer to Fig 1 3 1 2 3 4 Remove the 2 screws 1 Disconnect the following connectors CP354 CP401 and CP502 Unlock the support 2 Remove the TV VCR Block in the direction of arrow Fig 1 3 UP TO RELEASE 1 4 DECK CHASSIS AND SYSCON PCB Refer to Fig 1 4 1 2 3 4 5 6 7 8 Remove the 2 screws 1 Remove the screw 2 Remove the Deck Shield Plate in d...

Page 11: ...supports 1 and then remove the Cassette Side L R Unlock the support 2 and then remove the Locker R Locker Spring Cassette Side L Cassette Side R Locker R Cassette Holder 1 1 1 1 2 2 4 LINK UNIT Refer to Fig 2 4 1 2 3 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 Fig 2 4 A Link Unit Main Chassis B Link Unit Main Chassis ...

Page 12: ...nsion Holder hook is set to the position of Fig 2 7 A to move the Tension Arm Ass y Remove the Tension Spring Unlock the 2 supports 1 and remove the Tension Band Unlock the support 2 and remove the Tension Arm Ass y Unlock the support 3 and remove the Tension Connect Float the hook 4 and turn it clockwise then remove the Tension Holder Fig 2 6 C Loading Motor Cassette Opener Fig 2 7 B Tension Band...

Page 13: ...NOTE 1 2 3 4 5 6 Take care not to damage the gears of the S Reel and T Reel The Polyslider Washer may be remained on the back of the reel Take care not to damage the shaft Do not touch the section A of S Reel and T Reel Use 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 in...

Page 14: ...d Spring NOTE 1 2 3 Do not touch the A C Head Use gloves When you install the A C Head Spring install as shown in Fig 2 11 B When you install the A C Head tighten the screw 1 first then tighten the screw 2 finally tighten the screw 3 Fig 2 11 A 1 2 A C Head A C Head Spring A C Head Base Screw Torque 5 0 5kgf cm Screw 1 2 2 3 2 1 Fig 2 11 B Spring Position 2 12 FE HEAD RECORDER ONLY Refer to Fig 2 ...

Page 15: ...re met Refer to Fig 2 15 B And also can be seen the Main Chassis hole through the Main Cam maker hole Fig 2 15 B Pinch Roller Cam Marker Main Cam 2 16 LOADING GEAR S T UNIT Refer to Fig 2 16 A 1 2 Remove the E Ring 1 and remove the Main Loading Gear Remove the Main Rod Tension Lever Loading Arm S Unit and Loading Arm T Unit 1 Main Loading Gear Main Rod Tension Lever Loading Arm T Unit Loading Arm ...

Page 16: ...t with inserting the spring of the Clutch Ass y into the dent of the Coupling Gear Refer to Fig 2 17 B Fig 2 17 B Clutch Ass y Coupling Gear 2 18 Remove the P4 Cap Unlock the support 1 and remove the Cassette Guide Post Remove the Inclined Base S T Unit Remove the screw 2 Remove the LED Reflector 1 2 3 4 5 Fig 2 18 A CASSETTE GUIDE POST INCLINED BASE S T UNIT P4 CAP LED REFLECTOR Refer to Fig 2 18...

Page 17: ...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 18: ...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 19: ...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 20: ...Flip flop Frequency Generator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground H I K L M N O P R S H P F 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 SIF...

Page 21: ...on Sync Separator 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 22: ...TMENT PG SHIFTER VOL MIN 2 Adjusting of the Tracking to the center position 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...

Page 23: ...parts which the rubber touches Replace when rolling becomes abnormal Clean the Head T Brake Band Clutch Ass y Idler Arm Ass y 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 24: ... 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 25: ...nged is reached Press ENTER to select DATA When DATA is selected it will blink Again step through the DATA using SET 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 in...

Page 26: ...or do not work and the deck can be operated without a cassette tape In case of using a cassette tape press the STOP EJECT button to insert or eject a cassette tape Turn on the power and re check the cable before checking the trouble points How to use the Servicing Fixture Remarks Part No Ref No Parts Name JG002B JG002E JG002F APJG002B00 APJG002E00 APJG002F00 Adapter Dial Torque Gauge 10 90gf cm Di...

Page 27: ...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 28: ...ess 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 Fig 2 1 B NOTE Install the Torque Gauge on th...

Page 29: ...he 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 4 Audio Control Head Reflected picture of Stamp Mark Stamp Mark Tape 0 25 0 05mm Envelope CH 3 Audio 1 2 Fig 2 3 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...

Page 30: ...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 31: ...AS V SIZE V SFT R DRV B DRV R CUT OFF G CUT OFF B CUT OFF BRI CENT BRI MAX BRI MIN NO 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 Fig 1 2 FUNCTION CONT CENT CONT MAX CONT MIN COL CENT COL MAX COL MIN TINT SHARP FM LVL LVL SEP1 SEP2 T MONO T STE NO 16 17 18 19 20 21 22 23 24 25 26 27 28 29 TV 00 OSD 15 Prepare the following measurement tools for electrical adjustments Oscilloscope Digital Voltm...

Page 32: ...of Fig 1 1 and press the channel button 10 on the remote control to select R CUT OFF Using the VOL UP DOWN button on the remote control adjust the R CUT OFF Press the CH UP DOWN button on the remote control to select the R DRIVE B DRIVE G CUT OFF or B CUT OFF Using the VOL UP DOWN button on the remote control adjust the R DRIVE B DRIVE G CUT OFF or B CUT OFF Perform the above adjustments 6 and 7 u...

Page 33: ...s the INPUT SELECT button on the remote control to set to the AV mode Then perform the above adjustments 2 6 A 100 White 0 Red Level White 100 Fig 2 3 2 10 VERTICAL SIZE 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 06 on the remote control to select V SI...

Page 34: ... 1 1 and press the channel button 23 on the remote control to select SHARP Check if the step No of SHARPNESS is 35 Press the INPUT SELECT button on the remote control to set to the AV mode 2 17 H VCO 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 04 1 2 Activate the adjustment mode display of Fi...

Page 35: ...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 colors Adjust th...

Page 36: ...CONNECTION ELECTRICAL ADJUSTMENTS D3 6 CP351 TU601 VR502 VR401 TP601 AC IN TP4001 TP1002 TP1001 CP1003 CRT CP502 L503 C P 8 5 1 A J801 TP803 TP801 R802 R810 CRT PCB S801 CP801 SYSCON PCB FB401 CP401 CRT A C HEAD R520 SPEAKER CP354 CP4002 CRT C P 8 5 1 B ...

Page 37: ... 3 579545MHz 54 Q602 Q603 REG Q606 Q604 Q605 F501 14 13 UNREG 8V 1 2 TH501 POWER_FAIL 2 51 1 E180V 24 TV_POWER H HEAD SP SP CP354 J351 FB401 L503 DEGAUSS COIL REG REG 53 19 AT 12V UNREG 8V AT 12V 2 1 MICON IN OUT AV PUMP UP 6 SW Q403 Q404 X RAY_TEST SW X RAY 3 Q601 BUFFER B ADJ JACK AMP PROTECTION FEED BACK Q511 SWITCHING Q510 SWITCHING 5V REG IC IC501 KIA78R05PI Q607 H CONTROL H_CTL MICON IN OUT ...

Page 38: ... TU_VIDEO Y C AUDIO 6 2 3 1 5 Q4005 BIAS CTL 11 4 P CON 5V 1 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 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 REC APC REC APC R P Main CONV 3 58M BPF2 B UP AMP AGC ACC DET 3 58M BPF1 NYR COMB OUT CCD CLAMP ...

Page 39: ...L CP1001 1 3 4 2 REEL SENS Q1005 POWER FAIL2 MICON IN OUT AV BLOCK DIAGRAM SDA SCL OSD_R CTL SD_VIDEO CTL V REC_ST_H VD OSD_G AFT_M OSD_B OSD_BLK HD Y C AUDIO HEAD AMP TV CAPSTAN DD UNIT FF REW L 97 84 CTL AMP OUT Q1004 FF REW_SW J4202 FRONT_AUDIO VCR_POWER_H TV 30 TV_POWER TV_POWER_H 2 1 MSSEN B MSSEN A 1 4 3 2 1 4 3 2 MS_SEN A Q1009 MS_SEN B Q1003 AT 5V P CON 5V 20 REC T REC 73 CS 6 VIDEO ENV 81...

Page 40: ...82 C P 4 0 0 2 W087 W069 TP1002 W174 W175 W176 W181 C1018 D1014 W190 W194 W193 W188 W141 Q1011 CP1001 W136 W068 W139 W179 W137 W157 W127 R1010 W108 W132 W071 W162 W169 W243 W183 W245 W238 W138 W192 W210 W094 W212 W209 W207 W208 W825 W090 W170 W259 W256 W252 W177 W262 W261 R1056 C4045 W191 W213 W233 W048 W133 W201 W095 W187 W182 C659 W228 W231 W235 W232 W234 W122 W814 R1051 C432_1 C4009 R623 W103 D...

Page 41: ...1036 C1027 Q1004 C1022 C1025 R1012 C1019 R1013 R1009 C1013 C1071 R1034 R1033 C1038 C1035 C1034 C1031 R1031 R1032 C1046 C1047 C1040 C1048 R1040 C1049 C1050 R1070 R1083 R1087 I C 1 0 0 1 R1052 Q1007 Q4202 R4015 R4068 R4062 R4033 R4060 R4054 C4074 R4055 R4057 Q4011 C4075 R4058 R4052 R4053 R4020 R359 R4017 R4037 C4014 R4025 C4038 R4011 C4005 R4010 Q4003 R4023 R4024 R4003 R4002 C4006 R4001 R4022 C4033 ...

Page 42: ...L AUDIO SIGNAL REC AUDIO SIGNAL PB RECORD LUMINANCE SIGNAL T4001 1626009 COIL BIAS OSC 1 2 3 4 5 6 IC4001 LA71206M MPB Y C AUDIO HEAD AMP IC 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 54 55 56 57 58 59 6 60 61 62 63 64 65 66 67 68 69 7 70 71 72 73 74 75 76 77 78 79 8 80 9 PLAYBACK COLOR SIGNAL COMP H...

Page 43: ...GNAL D1014 MTZJ6 8B DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS PLAYBACK VIDEO SIGNAL POWER_FAIL2 P CON 5V GND MOTOR 12V SDA SCL Y C_CS OSD_R OSD_G OSD_B REEL_T CAP_CTL Y C_CLK OSD_BLK SD_SYNC Y C_DATA CYL_DRIVE V REC_ST_H GND Y C_CLK Y C_DATA Y C_CS H SW SD_VIDEO ENV_DET VCR_A_MUTE CTL CTL CAP_FG DUMMY_V SYNC V REC_ST_H VCR_A_MUTE TAB_SW H AMP_SW1 CAP_M F R ...

Page 44: ...8283_0611_00 1 2 3 4 5 6 CP1003 173979 4 1 2 3 4 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS PLAYBACK LUMINANCE SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB RECORD LUMINANCE SIGNAL PLAYBACK COLOR SIGNAL AT 5V INT MONI B OUT IIC_OFF SDA SCL REC_LED GND GND T REC_LED AT 5V Y C_AUDIO Y C_VIDEO FROM AV FROM TO TV POWER FROM CHROMA IF SDA SCL GND B OUT GND INT MONI IIC...

Page 45: ...RONT AUDIO L 1 2 CD853 CH012101 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C4211 0 1 F C4205 470P CH R2201 820 R2202 1K R2203 1 5K R2204 2 7K R2205 5 6K R2206 820 R2207 1K R2208 1 5K R381 68 1 2W R380 68 1 2W R1056 100 1 4W R4203_1 75 C380 4 7 50V KA C381 4 7 50V KA C382 100 16V YK C1053 220 6 3V YK TUNER VIDEO SIGNAL D2201 MTZJ6 8B DURIN...

Page 46: ...C624_1 47 16V KA C627 0 47 50V KA Q602 KTC3203_Y REG Q604 KTD863_Y REG Q605 KTD863_Y REG Q603 KTC3203_Y REG Q606 KTC3203_Y REG Q607 2SC2412K H_CONT W843 W915 W895 W842 W849 W874 W850 W871 W827 W801 W865 W878 W861 W852 W828 Q601 2SA1037AK BUFFER L603 47uH 0305 CAUTION DIGITAL TRANSISTOR TUNER VIDEO SIGNAL DEFLECTION SIGNAL D609 MTZJ6 8B D610 MTZJ6 8B D611 MTZJ6 8B D602 MTZJ8 2B Q611 KRA102SRTK ACL_...

Page 47: ...F PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C354 2200 16V YK C351 2 2 50V KA C301 0 012 B R353 68K R359 47K R357 1K R352 4 7K C356_1 10 50V KA C355_1 0 47 50V KA W814 CP354 CU123201 1 2 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS AUDIO SIGNAL REC SOUND SP_OUT SOUND_GND GND TV_A_MUTE TV_POWER_H SOUND B ...

Page 48: ...0 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C511 470 25V YK C521 220 200V YXF C524_1 2200 16V YK C523_3 3300 16V YK C517_1 470P 2KV R C515_1 0 01 100V MMTS C510 0 0047 B C519 470P 500V B C518 470P 500V B C505 470P 500V B C535 0 001 2KV RR C536 0 022 B C516 470P 500V B C507 0 001 500V B C530 0 001 250V KX C539 0 0033 250V KX C508 0 001 50...

Page 49: ... TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C419_1 22 100V YK C402 1000 35V YK C418 22 50V YK C424 0 0068 1 25KV MPP C417_1 0 01 100V MMTS C438 0 001 500V B C423 0 33 250V PMS C420 100P 500V B C451_1 0 22 100V MMTS C416 22P CH R409_1 12K 1 4W R423 10K 1 4W R460 100 1 4W R419 560 1 2W R417 560 1 2W R416 82K R415 2 2 1 2W R413 820 R411 27K 1 R414 18K R421 220 1 2W...

Page 50: ...L FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION R SIGNAL B SIGNAL G SIGNAL S802 S801 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C810 470P B C809 560P B C805 330P B C811 470P B C801_2 0 0022 2KV RR R807 2 7K 1 4W R816_1 4 7K 1 4W R812 330 R815 4 7K R811 330 R814 4 7K R808 2 7K 1 4W R813 330 R820 2 7K 1 4W Q804 KTC4217 BLUE AM...

Page 51: ...REC AUDIO REC AUDIO PB FE FE HEAD FE HEAD FE HEAD FE HEAD CUT_OFF_SW CUT_OFF_SW VMB281 TCB413 TM101 FROM OS2201 TO OS2201 REMOCON SENSOR COMMAND TRANSMITTER TM101 B V OUT GND CD4001 J801_1 B B B A SP_OUT SOUND_GND DEGAUSS COIL DEGAUSS COIL M2001 CAPSTAN DD UNIT ASS Y TUNER PACK NC NC NC NC NC NC M101 LOADING MOTOR 9 8 7 6 5 4 3 FE HEAD HOT FE HEAD GND H5002 FULL ERASE HEAD ASS Y 2 1 FE HEAD HOT FE...

Page 52: ...0V 5ms div 13 PB 1 0V 5ms div 11 PB 0 5V 0 5ms div 8 POWER ON 1 0V 10µs div 9 PB 1 0V 10ms div 6 POWER ON 1 0V 20µs div 2 POWER ON 100mV 0 1µs div 1 PB 0 5V 20µs div 7 POWER ON 0 5V 10ms div 5 REC 10 0V 5µs div 3 PB 10mV 20µs div 4 PB 0 5V 1ms div 18 POWER ON 10 0V 5ms div DEFLECTION 17 POWER ON 0 5V 5ms div SOUND AMP 14 POWER ON 200mV 2ms div MICON H 1 ...

Page 53: ...he following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 23 50 0V 20µs div CRT 22 50 0V 20µs div 21 50 0V 20µs div 20 200mV 20µs div 19 2 0V 20µs div H 2 ...

Page 54: ...202 114 202 202 202 202 202 202 106 123 205 205 205 120 111 205 124 124 124 124 PCB110 CRT PCB ASS Y 121 117 118 115 110 A 108 113 101 122 116 207 MECHANICAL EXPLODED VIEW I1 1 ...

Page 55: ...MECHANICAL EXPLODED VIEW I1 2 201 A 112 206 209 112 201 PCB010 SYSCON PCB ASS Y 107 210 206 208 105 212 204 204 203 211 203 119 103 109 ...

Page 56: ... H5002 323 508 341 331 334 333 314 301 313 307 300 317 336 346 345 321 319 320 AA 316 318 347 AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA CD1501 M101 304 CD1502 510 348 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 1 349 ...

Page 57: ... 505 502 338 502 337 340 509 308 344 327 343 326 328 AA AA AA AA AA AA AA AA AA AA AA CD1501 CD1502 AA 339 AA 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 58: ...OP LABEL 121 AD300007 7230006755 SHEET CAUTION 122 AD301686 743WKA0037 SPRING FLAP 123 AD301721 A5E301B740 CABINET BACK ASSY 124 AD301899 800WR0A003 SHEET CRT SUPPORT 201 BZ710036 8117540B04 SCREW TAPPING B0 TRUSS 4x20 202 BZ710035 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 BZ710147 8107630604 SCREW TAP TITE S BRAZIER 3x6 204 BZ710032 8110630A24 SCREW TAP TITE P BRAZIER 3x12 205 BZ710033 8111J50D0...

Page 59: ...34 BZ710540 85OP400533 CONNECT TENSION 335 BZ710541 85OP600573 ARM BRAKE T 336 BZ710763 85OP600584 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 SPRING BRAKE T 343 BZ710548 85OP800355 SPRING COUPLING 344 BZ710549 85OP800356 SPRI...

Page 60: ...J CMPP 0 33 UF 250V PMS C424 BZ210161 P4N8FJ682H CMPP 0 0068UF 1 25KV C431 BZ110103 E02LTD100M CE 10 UF 250V C432 AD301868 E5EZ080R1M CE 0 1 UF 100V or AD301869 E5EZT80R1M CE 0 1 UF 100V C506 BZ110025 P2122B224M CMP 0 22 UF 275V ECQUL C507 BZ110061 C0JTB0513K CC 0 001 UF 500V B C509 AD301701 E52DGC331M CE 330 UF 200V C511 BZ110041 E02LT3471M CE 470 UF 25V C517 BZ110176 C03L0R7Q2K CC 470 PF 2KV R o...

Page 61: ...ODE ZENER MTZJ6 8B T 77 D2201 BZ410022 D97U06R81B DIODE ZENER MTZJ6 8B T 77 D4001 BZ410034 D97U01301B DIODE ZENER MTZJ13B T 77 D4002 BZ410034 D97U01301B DIODE ZENER MTZJ13B T 77 ICS IC351 BZ611001 I01DP75110 IC AN7511 IC401 BZ611053 I01TD55220 IC AN5522 IC501 BZ611054 I1KA98R050 IC KIA78R05PI IC502 BZ410055 0002500450 PHOTO COUPLER TLP621 GR IC601 AD301639 I06FC61250 IC M61250FP IC1001 AD301640 I5...

Page 62: ...H L4006 BZ310040 02167F470J COIL 47 UH L4009 BZ310041 02167F101J COIL 100 UH T401 BZ310157 045009003J TRANS HORIZONTAL DRIVE ETH09K14BZ T501 BZ310160 0481290804 TRANSFORMER SWITCHING 81290804 T4001 BZ310114 031626009R COIL BIAS OSC 1626009 JACKS J351 BZ614361 060J131015 HEADPHONE JACK MSJ 2000 J801 AD301147 066F120018 SOCKET CATHODE RAY TUBE ISMS01S J4201 AD300680 060Q401077 RCA JACK AV1 09D 3 J42...

Page 63: ...RE HOLDER B2013H02 2P CP851A BZ614273 067U010049 WIRE HOLDER B2013H02 10P CP851B BZ614273 067U010049 WIRE HOLDER B2013H02 10P CUS013 BZ710149 800WFAA008 CUSHION C EL001 BZ614043 124116281A EYE LET XRY16X28BD EL002 BZ614044 124120301A EYE LET XRY20X30BD F501 BZ614504 081PC05005 FUSE 51MS050L FB401 BZ310164 043219014F TRANSFORMER FLYBACK FQI 20B001R FH501 BZ614005 06710T0006 HOLDER FUSE EYF 52BC FH5...

Page 64: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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