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Toshiba VTV1415, Service Manual

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Toshiba VTV1415 Service Manual Download Page 37

TV BLOCK DIAGRAM

CHROMA/IF IC
IC601 STV2246E

22

13

44

47

25

26

27

28

18

6

7

8

55

14

11

51

52

30

36

35

34

31

49

32

37

48

42

40

46

X601
4.433619MHz

2

V-DRIVE IC  IC401 TDA8174A

10

4

3

1

21_B

21_G

21_R

21_Y

DY

10

F

HV

FB401

2

3

1

7

S

V801

CRT

8

7

9

3

J801

F

GREEN AMP

Q805

RED AMP

Q804

Q806

BLUE AMP

H-DRIVE

Q405

H.OUTPUT

Q406

SW

Q611

PROTECT

OSD_Y

HD

OSD_B

OSD_G

OSD_R

CF605

Q602

BUFFER

Y/C/AUDIO/
HEAD AMP/
21PIN/IN/OUT

1

4

5

CF601

TU601

5

4

1

11

Q607

PRE AMP

TUNER_A

Y/C_V

TUNER_V

Y/C_A

JACK_V

SDA

SCL

T501

11

5

18

16

14

13

8

POWER REG IC
IC502
STR-G6653

IC506

LTV-817M-VB

FEED BACK

Q507

F-BACK SW

D501~D504

RECTIFIER

L503
DEGAUSS COIL

MICON

F501

AC IN

CP851

5

6

3

7

AT+12V

1

5

1

9V REG. IC
IC1007
KIA7809API

P. CON+9V

7

2

1

SP352
SPEAKER

J2201
HEADPHONE

TV_POWER_H

TV_A_MUTE

VCR_POWER_H

POWER_FAIL(DC)

MICON

S-TRAP

VR502

10

3

1

3

5V REG. IC
IC1004
KIA7805API

1

3

5V REG. IC
IC1005
KIA7805API

P.CON+5V

3

1

5V REG. IC
IC1001
KIA7805API

AT+5.6V

P.CON+5V A

SDA

SCL

FM_OUT

EXT_AUDIO_IN

AUDIO_OUT

PIFIN1

PIFIN2

RF_AGC_OUT

R. OUT

G. OUT

B. OUT

OSD_KB

OSD_B

OSD_G

OSD_R

BCL/SAF

LBF/SSC

H_OUT

X1/VAMP/CHR_OUT

XTAL1

INT_CVBS_OUT

CVBSOUT2

CVBSIN1

Y/C/VBS_IN3

VERT

B_EXT/U_EXT

G_EXT/Y_EXT

R_EXT/V_EXT

BLK_EXT

Y/C/AUDIO/
HEAD AMP/
21PIN/IN/OUT

MICON

SWITCHING

Q403

H_CTL

MICON

+B ADJ

11

VD

Q608

BUFFER

P.CON SW

Q1011

8

2

5

4

1

SOUND AMP IC
IC351  AN7511

6

E-1

E-2

Summary of Contents for VTV1415

Page 1: ...SERVICE MANUAL COLOR TELEVISION VIDEO CASSETTE RECORDER VTV1415 ...

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: ...TS BLOCK DIAGRAMS TV Y C AUDIO HEAD AMP 21PIN IN OUT MICON PRINTED CIRCUIT BOARDS SYSCON CRT POWER SW POWER SCHEMATIC DIAGRAMS Y C AUDIO HEAD AMP MICON POWER 21PIN IN OUT CHROMA IF SOUND AMP T TEXT RGB SW DEFLECTION CRT TV POWER INTERCONNECTION DIAGRAM WAVEFORMS MECHANICAL EXPLODED VIEWS CHASSIS EXPLODED VIEWS MECHANICAL REPLACEMENT PARTS LIST CHASSIS REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT ...

Page 5: ...Receive CH Destination U K Tuning System F Synth Input Impedance VHF UHF 75 ohm CH Coverage 21 69 Intermediate Picture FP 39 5MHz Frequency Sound FS 33 5MHz FP FS 6 0MHZ Preset CH 80CH Stereo Dual TV Sound No G 4 Signal Video Signal Input Level 1 V p p 75 ohm Output Level 1 V p p 75 ohm S N Ratio Weighted 53 dB Horizontal Resolution at SP Mode 240 Lines Audio Signal Input Level 3 8dBm 50Kohm Outpu...

Page 6: ...Tape Speed Yes Sleep Time Yes Control Volume Yes Level Bright Contrast Sharpness Color Yes Tint No Bass Treble Balance No Manual Tracking Yes Play Stop FF Rew Rec OTR T Rec Pause Eject Tape In Symbol Mark Yes Auto Tracking Manual Tracking Yes S Repeat SR R SR PLAY No Index Yes Mute Yes Hi Fi No Repeat Yes PDC Yes Zero Return No Dew No G 10 OSD Language English G 11 Clock Timer Calendar 1990 1 1 20...

Page 7: ...e Down Yes Play Up Yes Play Up Slow No F Fwd Right Yes Rew Left Yes Pause Still Yes Pause No Stop Down Yes Rec OTR Yes 2Keys Eject Yes Counter Reset Yes Speed Yes Timer Rec Yes 2Keys TV Monitor Yes TV Monitor Rec Monitor No Program Yes Program V No Auto Tracking Yes Auto Tracking Reveal No Menu Yes Enter Yes Enter Hold No Cancel Ch Skip Yes Cancel Ch Skip F T B No Index Yes Index Sub Page Time Tex...

Page 8: ... No Protect of FBT Leak Circuit Yes Choke Coil No G 14 Accessories Owner s Manual Language English w Guarantee Card No Remote Control Unit Yes Rod Antenna No Poles Terminal w 300 ohm to 75 ohm Antenna Adapter Loop Antenna Yes Terminal DIN Type U V Mixer No DC Car Cord Center No Guarantee Card No Warning Sheet No Circuit Diagram No Antenna Change Plug No Service Facility List No Important Safeguard...

Page 9: ... Input No Video Output No Audio Output No Euro Scart 1 SCART Diversity No Ext Speaker No DC Jack 12V Center No VHF UHF Antenna Input DIN type AC Inlet No G 16 Set Size Approx W x D x H mm 362 x 365 x 382 G 17 Weight Net Approx 11 0 kg lbs Gross Approx 12 5 kg 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 Dimension...

Page 10: ...E AC SOURCE 1 2 3 Fig 1 2 1 3 TV VCR BLOCK Refer to Fig 1 3 1 2 3 4 Remove the 2 screws 1 Disconnect the following connectors CP302 CP402 CP501 and CP502 Unlock the support 2 Remove the TV VCR Block in the direction of arrow Fig 1 3 1 4 POWER PCB Refer to Fig 1 4 1 2 3 Remove the 3 screws 1 Disconnect the following connectors CP401A and CP851A Remove the Power PCB in the direction of arrow Power P...

Page 11: ...1 Remove the 2 screws 2 Remove the Syscon PCB in the direction of arrow 1 7 JACK PLATE AND SYSCON PCB Refer to Fig 1 7 B1 2 1 1 Deck Shield Plate TV VCR Block B A 2 Bottom Shield Plate NOTE Do not remove the cable at the FE Head section The FE Head may be damaged if you remove the cable by force FE Head 1 2 3 4 5 Remove the screw 1 Remove the FE Head Remove the 3 screws 2 Disconnect the following ...

Page 12: ...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 13: ...osition 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 Tension Connect Tension Spring T...

Page 14: ...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 15: ...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 16: ...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 17: ...ing 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 A P4 Cap Cas...

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: ...TIVE 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 9 Display of the Adjustment MENU on the screen Refer to the ELECTRICAL ADJUSTMENT On Screen Display Adjustment VOL MIN 8 Writing of EEPROM initial data NOTE Do not use this for the normal servicing VOL MIN 7 Releasing of PROTECT...

Page 24: ...e 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 possible if clock has been set To...

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: ...equired 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 After the data input set to the initializing of shipping Turn POWER on While holding down VOLUME button on front cabinet press ...

Page 27: ...154 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 Unplug the connector CP302 then remove the Power PCB Syscon PCB from the set B...

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 Install the Torque Gauge on the reel disk firmly Press the REW button to turn the reel disk 1 5 CONFIRMATION OF REEL BRAKE TORQUE S Reel Brake Refer to Fig 1 4 B Once set to...

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: ... the upper limit on the OK Example In case of the OK point 30 41 select 36 On Screen Display Adjustment 1 2 Unplug the AC plug for more than 30 minutes to set the clock to the non setting state To release the Back Up immediately take the short circuit between C1003 and GND at the Power Off Then set the volume level to minimum Press the VOL DOWN button on the set and the channel button 9 on the rem...

Page 33: ...R SCAN Quantity Receive a broadcast and check if the picture is normal Receive the monoscope pattern of NTSC Audio Video Input Press the AV button on the remote control to set to the AV mode Then perform the above adjustments 2 4 1 2 3 4 5 6 7 2 10 OSD HORIZONTAL 1 2 3 Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and pr...

Page 34: ...tton on the remote control until the contrast step No becomes 28 Receive a broadcast and check if the picture is normal Press the AV button on the remote control to set to the AV mode Then perform the above adjustments 1 3 2 16 COLOR CENT 1 2 3 4 5 6 7 8 Receive the PAL color bar pattern RF Input Using the remote control set the brightness contrast and color to normal position Connect the oscillos...

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 color Adjust th...

Page 36: ... TP4002 VR402 CP603 VR401 CP853A FB401 CP852A A C HEAD CP852B CP853B J801 CP402 CRT PCB SYSCON PCB CD852 CD853 CP401B CP851B CRT CP302 CP806 TP803 R803 CD302 SPEAKER TP501 T501 D510_1 CP401A VR502 CP851A L502 L501 CP501 CD502 POWER SW PCB POWER PCB L503 CP502 CRT CD501 SW501 TP4201 C1003 CRT TP1001 CD801 CP801 C P4005 C D 4005 ...

Page 37: ...VB FEED BACK Q507 F BACK SW D501 D504 RECTIFIER L503 DEGAUSS COIL MICON F501 AC IN CP851 5 6 3 7 AT 12V 1 5 1 9V REG IC IC1007 KIA7809API P CON 9V 7 2 1 SP352 SPEAKER J2201 HEADPHONE TV_POWER_H TV_A_MUTE VCR_POWER_H POWER_FAIL DC MICON S TRAP VR502 10 3 1 3 5V REG IC IC1004 KIA7805API 1 3 5V REG IC IC1005 KIA7805API P CON 5V 3 1 5V REG IC IC1001 KIA7805API AT 5 6V P CON 5V A SDA SCL FM_OUT EXT_AUD...

Page 38: ...PH NL DE EMPH MAIN EMPH CARRIER OFFSET W C DC F0 DEV ADJ S DET Q4106 BUFFER 87 86 85 H AMP 2 REC MUTE LINE MUTE ENV DET J4201 2 1 6 3 8 7 11 16 15 20 19 Q4205 MUTE SW L4101 15 6KHz TRAP Q4107 AMP Q4202 BUFFER D4210 L4003 1 3 6 Q4006 Q4007 FE HEAD 4 ENV_DET H SW MICON SDA SCL VCR_A_MUTE V REC_ST_H CTL CTL CYL CP4001 3 2 4 SP_COM SP CH2 L SP CH1 R CP4005 2 AUDIO PB 5 6 1 AE HEAD AUDIO REC AE HEAD HE...

Page 39: ...T_H SDA OSD_Y VD OSD_G OSD_B OSD_R TV 90 VCR_MUTE VCR_A_MUTE 105 VIDEO_H SW H SW 43 REMOCON IN 3 2 1 OS2201 AT 5V D2203 D2202 D2201 28 VIDEO_ ENV ENV_DET B VSYNC G R YCO Q1015 VD SW Y C AUDIO HEAD AMP 21PIN IN OUT 1 CAP FG AT 12V 11 10 CYL FG PG LDM CTL 9 CAP CTL 8 CYL LAD VCO 12 CYL CTL 107 DRUM_PWM 35 27 BOT EOT D1003 Q1006 BOT SENSOR Q1017 BOT SENSOR 101 100 99 96 52 32 31 CENT LED MSSEN_B MSSE...

Page 40: ...2 W143 W144 W145 R412 C431 CP852A C403 C4 24 T401 C351 W901 R404 W147 R453 W904 C450 C432 R1075 C610 C404_2 B1001 C2207 R2227 R2216 TP1001 R1050 D1003 CP4004 W148 W149 IC1004 W150 R1052 R635_1 C616 W151 W152 R1015 W153 W154 W155 W156 W157 W158 W159 W160 W161 W163 W164 CP853A W165 L4012 R4033 L4007 X4001 L4005 C4038 C4014 C4023 C4016 L4006 C4021 C4087 C4056 L4011 C4079 C4076 C4077 C4060 L4010 L4008...

Page 41: ...90 C1074 C1069 R355 IC4102 R4137 C4166 R4147 C4185 C4187 R4118 R4119 R4160 R4146 R4159 C4191 R4144 R4143 C4190 R1011 Q1007 C1014 C1009 C640 C2202 R601 Q608 C1001 R4138 R1070 C647 R625 R353 W836 R1094 R361 Q601 R4210 C4193 C1018 R647 R613 R612 R611 W807 R2226 R622 C639 R626 W866 R1035 C4001 R4005 R4025 C4049 R4032 C4064 I C 4 0 0 1 C4048 C4043 R4024 C4036 C4013 C4026 C4027 C4015 C4018 R4014 R4010 R...

Page 42: ...501 W006 D504 D502 D501 D503 C 5 2 9 R509 W004 R502 D520 D515 W009 W005 C521 R516 R515 R514 D506 C504 C5 30 CP401A IC506 R543 HS501 W002 D523 D513 R538 T P 5 0 2 W003 W010 VR502 CP851A D534 D535 D526 R532 C510 C524 L502 D505 D509 D512 D519 W808 C507 C509 D522 R510 C531 L501 C537 C523 B501_1 R501_1 C501 C517 D508 D511 C535 W804 W811 Q501 W008 C532 PRINTED CIRCUIT BOARDS POWER SOLDER SIDE F 5 ...

Page 43: ... 022 F C4084 1 F C4073 0 1 F C4085 100P B C4025 680P B C4033 0 1 F C4081 0 01 B C4001 0 001 B C4072 0 1 F C4193 0 01 B C4062 0 1 F C4041 0 018 B C4042 150P CH C4052 0 01 F C4043 0 022 B C4057 0 1 F OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME ENV_DET SDA SCL H SW P CON 5V_A MESECAM_M VCR_A_MUTE P CON 5V_A FRONT_V_IN FRONT_A_IN_L P CON 5V_A ...

Page 44: ...ASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS Q1010 KRA103SRTK SW D1021 1SS133 D1010 SB140 EIC D1006 SB140 EIC D1004 1SS133 D1009 1SS133 D1001 RB721Q 40 CAUTION DIGITAL TRANSISTOR AT 5 6V GND SDA SCL SCL SDA RESET SCL KEY_B SDA IIC_OFF KEY_A LDM_CTL POWER_FAIL DC CAP_LIMIT VCR_POWER_H P CON 5V_A AT 5V STANDBY_H REMOCON_IN REC_LED T REC_LED P CON 5V AT 12V MOTOR_GND CYL_DRIVE TU_...

Page 45: ... B C2208 470P B C2212 0 01 B C2213 0 01 B R2214 1K R2212 1 5K R1016 220 1 4W R1036 22 1 4W R2215 820 R1079 220 1 4W R1025 10K R1052 12 1 2W R1038 1K 1 2W R1060 12 1 4W R1047 470 1 4W R2216 100 1 4W R1084 560 1 4W R1076 10K R2227 270 1 4W R2205 270 R2207 270 R2226 75 R2213 820 R2211 1K R2210 1 5K R2209 2 7K R2208 5 6K R2206 56 1 4W R2204 56 1 4W C1059 470 6 3V YK C1029 470 6 3V YK C1041 470 16V YK ...

Page 46: ...K PERI SW Q4210 KTC3875S_Y_RTK TUNER SW R4201 56K 1 4W R4206 22K R4239 4 7K R4224 75 1 4W R4222 82 R4221 75 R4223 68 R4205 4 7K R4228 120K R4207 82 1 2W R4220 680 R4208 10K R4210 4 7K C4202 1 B C4205 0 018 B C4203 0 001 CH C4211 0 001 CH OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME TUNER_ON OFF GND P CON 8V EXT_IN_L TU_AUDIO_MUTE_H P CON 8V...

Page 47: ... KA C610 1 50V KA C636 100 6 3V KA C649 100 16V KA C653 100 16V KA C630 10 16V KA C652 47 16V KA C611 100 16V KA C603 1 50V KA C645 1 50V KA C666 1000 16V YK C616 22 16V KA Q608 KTC3875S_Y_RTK BUFFER Q607 2SC3000 PRE AMP Q602 KTC3875S_Y_RTK BUFFER Q611 KTC3875S_Y_RTK SW Q609 KTC3875S_Y_RTK SW W836 W905 W844 W953 W888 W857 W866 TP601 IF W828 L602_1 100uH 9A06B L610 100uH L613 100uH 0305 L611 100uH ...

Page 48: ...1 SOUND AMP IC 1 2 3 4 5 6 7 8 C355 0 47 50V KANP OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP302 TID X02P M1 1 2 C361 0 001 B C362 0 01 B R353 68K R355 15K R361 3 3K R352 5 6K C352 47 16V YK C357 1000 25V YK C351 10 16V KA W855 W832 W870 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS M P OFF_H TV_POWE...

Page 49: ... NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W812 W801 W802 W815 W847 W816 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS D1261 1SS133 TEXT_B TEXT_R TEXT_G TEXT_Y OSD_R OSD_G OSD_B OSD_Y PCB010 VMB291 TO CHROMA IF FROM MICON T TEXT RGB SW SCHEMATIC DIAGRAM SYSCON PCB ...

Page 50: ...5V MHE C404_2 0 01 100V MMTS C413 0 1 F C412 0 047 MMTV C450 220P 2KV R C424 0 0082 1 25KV MPP C429 470P 2KV B C423 0 33 250V PMS C403 0 22 100V MKT C406 0 001 500V B C416 56P 500V SL R490 68K 1 4W R401 22K 1 4W R424 47K R405 1 5 1 2W R420 4 7K R407 1 2 1 2W R421 680 1 2W R404 330K 1 4W R406 2 7K 1 4W R403 390K R409 330 1 2W R411 330 1 2W R453 220K 1 4W R460 100 1 4W R416 2 2 1 2W R456 470 1 2W R4...

Page 51: ...ONLY CRITICAL FOR SAFETY USE ONES ARE CP853B B2013H02 5P 1 2 3 4 5 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP852B B2013H02 6P 1 2 3 4 5 6 CP801 A2361WV2 2P 1 2 C804_1 180P B C805_1 180P B C801_1 100P CH C802 0 0022 2KV B C809 470P B C811 270P B C810 270P B R815 270 R816 270 R808 6 8K R809 6 8K R804 2 7K 1 4W R813 270 R801 6 8K R802_1 2...

Page 52: ...NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C520 1000 16V MHE C521 220 200V YXF C531 2200 16V MHE C537 4 7 100V MHE C507 150 400V USR C523 2200 25V MHE C524 1000 25V MHE C509 0 027 M C532 0 0015 2KV R C506 0 1 275V ECQUL C505 0 22 275V ECQUL C516 470P 500V B C554 0 001 B C517 0 0022 2KV R C515 0 0015 B C530 0 001 250V KX C504 560P 500V B C501 470P 2KV R C502 0 0022 2KV B C503 0 0022 2KV ...

Page 53: ...H PROTECT_H VPA153 VMB291 WHITE YELLOW 2 1 FE HEAD HOT FE HEAD GND FULL ERASE HEAD ASS Y H5002 M2001 CAPSTAN DD UNIT ASS Y UN4001 CYLINDER UNIT ASS Y OS2201 TO TO CHASSIS NC B OUT R OUT G OUT B OUT R OUT G OUT NC NC FB401_3 NC SP CH1 R SP COM SP CH2 L SPOT_L SPOT_L SP_OUT SOUND_GND POWER FAIL SOUND_GND MOTOR_GND MOTOR_GND SOUND_GND SW501 POWER SW PCB PCB340 3 4 2 1 CYL_CTL CYL_FG PG LDM_CTL CAP_CT...

Page 54: ...1 REC 20V 5µs div The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 8 REC 2V 20µs div 9 PB 0 5V 10ms div 10 PB 2V 10ms div 7 1V 5µs div 6 1V 5µs div 12 REC 2V 1ms div 13 PB 2V 0 5µs div 14 PB 2V 0 5µs div 15 REC 2V 1ms div 11 REC 1V 10µs div MICON ...

Page 55: ...iagram NOTE 17 REC 2V 5ms div 16 PB 2V 5ms div 18 REC 2V 20µs div 19 AV OUT 200mV 20µs div 21PIN IN OUT 20 AV OUT 0 5V 500µs div 22 REC 0 5V 0 5ms div SOUND AMP 24 5V 20µs div 23 20V 5ms div DEFLECTION 25 50V 20µs div CRT 21 REC 2V 20µs div CHROMA IF 27 50V 20µs div 50 5V 10ms div TV POWER 51 5V 10ms div 26 50V 20µs div ...

Page 56: ...116 202 202 102 202 202 202 212 212 212 118 212 119 119 PCB110 CRT PCB ASS Y 120 MECHANICAL EXPLODED VIEW I1 1 PCB340 POWER SW PCB ASS Y 117 211 114 205 101 A 101G 101B 101F 101C 101D 101H 101A 101E 206 ...

Page 57: ...207 112 206 109 113 107 209 213 209 208 108 209 104 105 110 201 A 113 209 103 111 122 PCB010 SYSCON PCB ASS Y 121 MECHANICAL EXPLODED VIEW I1 2 PCB020 POWER PCB ASS Y 209 210 203 203 203 115 204 204 204 204 204 ...

Page 58: ... 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 59: ... 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 60: ...ON POWER 118 BZ710278 741WUA0024 SPRING EARTH 119 AE000053 800WR0A011 SHEET CRT SUPPORT D 120 AE000193 723000C131 POP LABEL 121 BZ710797 752WSA0303 SHIELD AV JACK 122 BZ710260 899HV3T000 HOLDER ANODE WIRE 201 BZ710036 8117540B04 SCREW TAPPING B0 TRUSS 4x20 202 BZ710035 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 BZ710262 8117540A04 SCREW TAPPING B0 TRUSS 4x10 204 BZ710032 8110630A24 SCREW TAP TITE ...

Page 61: ...85OP400542 BAND TENSION 334 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...

Page 62: ...C03L0R7B3K CC 0 0012UF 2KV R C802 BZ110226 C0JBB07H3K CC 0 0022UF 2KV B C1003 BZ110170 E51A0P104Z CE 0 1 F 5 5V C1053 AE000032 E0EL00471M CE 470 UF 6 3V or AE000031 E02LT0471M CE 470 UF 6 3V DIODES D302 AE000030 D97X06R81B DIODE ZENER MTZJ6 8B T 72 or BZ410022 D97U06R81B DIODE ZENER MTZJ6 8B T 77 D403 BZ410043 D2WT011E10 DIODE SILICON 11E1 EIC D404 BZ410043 D2WT011E10 DIODE SILICON 11E1 EIC D405 B...

Page 63: ...0 TD3U021400 TRANSISTOR SILICON TT2140LS CBC Q501 BZ510023 TNYTB03001 COMPOUND TRANSISTOR DTC114ESTP Q507 BZ510069 TCATC31980 TRANSISTOR SILICON KTC3198 AT Y GR Q601 BZ510090 TPAAB05001 COMPOUND TRANSISTOR KRA102SRTK Q602 BZ510109 TCAA3875SY TRANSISTOR SILICON KTC3875S_Y_RTK Q607 BZ510037 TC3T030000 TRANSISTOR SILICON 2SC3000 AA Q608 BZ510109 TCAA3875SY TRANSISTOR SILICON KTC3875S_Y_RTK Q609 BZ510...

Page 64: ...0014 0216A6100K COIL 10 UH T401 BZ310157 045009003J TRANS HORIZONTAL DRIVE ETH09K14BZ T501 BZ310158 0481290794 TRANSFORMER SWITCHING 81290794 JACKS J801 AD301147 066F120018 SOCKET CATHODE RAY TUBE ISMS01S J2201 BZ614361 060J131015 HEADPHONE JACK MSJ 2000 J2202 AD300681 060Q401076 RCA JACK AV1 09D 4 J2203 AD300680 060Q401077 RCA JACK AV1 09D 3 J4201 BZ614323 063G100042 SOCKET 21PIN 0350_9982_05 SWI...

Page 65: ...U002019 WIRE HOLDER B2013H02 2P CP4005 BZ614050 069J760029 CONNECTOR PCB SIDE IMSA 9604S 06Z14 CP401A AD300752 069S250629 CONNECTOR PCB SIDE A2001WV2 5P CP401B BZ614276 067U005049 WIRE HOLDER B2013H02 5P CP851A BZ614214 069S2B0629 CONNECTOR PCB SIDE A2001WV2 11P CP851B BZ614332 067U011029 WIRE HOLDER B2013H02 11P CP852A BZ614333 067U006049 WIRE HOLDER B2013H02 6P CP852B BZ614333 067U006049 WIRE HO...

Page 66: ...TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B 06 01 ALEXANDRA TECHNOPARK SINGAPORE 119968 ...

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