Toshiba VTV1402B Service Manual Download

Page: 35 / 72

TV BLOCK DIAGRAM

T'TEXT

CHROMA/IF
IC601
LA76812

SAW FILTER
CF601

CLMP

VOL

DET
FM

PMP

LIM

BPF

SPLL

VIDEO

AMP

VIDEO

DET

RF AGC

IF AGC

VIDEO

ACC

PPC1

TINT

VCO

PEAKING

CORING

BLACK

STRETCH

DELAY

LINE

BLACK

STRETCH

DEMO

COLOP
CLAMP

PFC2

FBP

PHASE
SHIFTER

HOR
OUT

CONTRAST
BRIGHT

1/256

HOR
VCO

HOR
C/D

SYNC
SEP

PFC1

RGB
MATRIX

VER
RANP

VER
C/D

VER
SEP

DRIVE/

CUT-OFF

OSD
SW

X601

4.433619MHz

Y/C_VIDEO

Y/C_AUDIO

Q608

BUFFER

TU_AUDIO

TU_VIDEO

TU601

TU_AGC

V. OUTPUT IC401 LA78040

J801

FB401

V801

CRT

Q405

H. DRIVE

Q406

H. OUTPUT

Y/C/AUDIO/

HEAD AMP/

21PIN/IN/OUT

AFT

OSD

FIX GAIN

CLAMP

TEXT_R

TEXT_B

TEXT_G

TEXT_Y

AFT_M

BUS

MICON/

OPERATION

L608

PUMP

THERMAL

PROTECTION

SYNC

T'TEXT

ABL

MICON/
OPERATION

PLL

P2C

TEXT_Y

Q806

BLUE AMP

Q805

Q804

GREEN AMP

RED AMP

B_OUT

G_OUT

R_OUT

Q601

AMP

VIF

AC IN

D501

RECTIFIER

F501

T501

POWER REG.
IC501
STR-F6707

IC506 ON3171R

FEED BACK

Q507

FEED BACK SW.

Q506

5V SW.

Q513

5V SW.

VR502

+B ADJ.

L503

DEGAUSS COIL

RY501

RELAY

Q504

RELAY DRIVE

TH501
DEGAUSS ELEMENT

SP351

SPEAKER

SOUND AMP.
IC351 AN7511

J351

HEAD PHONE

TV_POWER-H

VCR_POWER-H

POWER FAIL(DC)

MICON/OPE.

Q605

BUFFER

TV_POWER_H

CP810

CD810

Q503, Q505

SW.

Q508, Q509

SW.

Q501, Q502

SW.

F502

Q1007, Q1019

P.CON SW.

Q1008, Q1018

P.CON SW.

Q1010

P.CON SW.

AT+12V

AT+30V

5V REG.
IC1005 KIA7805API

P.CON+5V_B

5V REG.
IC1004 KIA7805API

P.CON+5V

P.CON+9V

9V REG.
IC1003 KIA7809API

Summary of Contents for VTV1402B

Page 1: ...SERVICE MANUAL COLOR TELEVISION VIDEO CASSETTE RECORDER FILE NO 140 200009 VTV1402S ...

Page 2: ... 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 terminal...

Page 3: ...ype video cassette tape Width 12 65mm 1 2 Inch VHS C type video cassette tape Width 12 65mm 1 2 Inch G 9 Tape Speed NTSC or PAL M PAL or SECAM SP 33 35 mm sec SP 23 39 mm sec LP 16 67 mm sec LP 11 69 mm sec SLP 11 12 mm sec G 10 Recording Playback Time NTSC or PAL M NTSC Playback Only at SP Mode Max 210 min with T 210 cassette at LP Mode Max 420 min with T 210 cassette at SLP Mode Max 630 min with...

Page 4: ...l 1 Vp p 75 ohm S N Ratio 53 dB Weighted Horizontal Resolution at SP Mode 240 Lines G 22 Audio Signal Input Level Line 3 8 dB 50 Kohm RCA dB Kohm Output Level Line 3 8 dB 1 Kohm RCA dB Kohm 0dB 0 775 V rms S N Ratio at SP Mode 42 dB Harmonic Distortion 1 5 1KHz Frequency Response at SP Mode 100 Hz 10 KHz at LP Mode 100 Hz 5 KHz at SLP Mode Hz KHz G 23 Heads Video 2 Rotary Heads FM Audio Rotary Hea...

Page 5: ...MOLO UNE CNS CISPR13 DENTORI AS NZS NONE X Radiation PTB DHHS HWC DENTORI G 34 Temperature Operation 5 ºC 40 ºC Storage 20 ºC 60 ºC G 35 Operating Humidity Less than 80 RH G 36 Clockand Timer Calendar 1990 1 1 2081 12 31 Initial 2000 1 1 2005 1 1 Built in 1 Month 8 Events Programmable Timer One Touch Recording Max Time SP Mode 5 LP Mode 10 Hours Sleep Timer Yes Max 120 Min 10 Min Step No On Off Ti...

Page 6: ...l Tracking Index Repeat VPS Tone 1 2 Stereo PDC G 41 OSD Language Eng Ger Fre Spa Ita Por Jan OSD Language Setting Eng Ger Fre Spa Ita Por Jan Not Applicable G 42 Speaker Position Front Side Bottom Size 1 5 x 2 5 inches Imp 8 ohm x 1 pcs Output Max 1 5 W 10 1 0 W Typical G 43 EXT Speaker Yes W Imp ohm No G 44 Carton Master Carton Need No Need Content Set Material Corrugated Carton Dimensions mm W ...

Page 7: ...er Features Auto Head Cleaning Index Search Auto Tracking Auto Search CH Auto Set Up Auto Clock ATS VIDEO PLUS SHOWVIEW G CODE PDC HQ VHS Standard High Quality VPS Auto Power On Auto Play Auto Rewind Auto Eject Auto Repeat System Forward Reverse Picture Search SQPB One Touch Playback CATV Auto CH Memory Anti Theft TV Auto Shutt off Function T Text Fast Top Uni TV Monitor G 47 Switch Front Power Ch...

Page 8: ...Up Power 1 Ch Tr Page Down Eject 2 Volume Up 3 Volume Down Play Up Slow 4 Mute F FWD Right 5 Menu Rew Left 6 Enter Hold Stop Down 7 Cancel Ch Skip F T B Pause Still 8 ATR Reveal REC OTR 9 Text Mix TV Speed Call Index Time Text Audio Select TV Monitor Cyan Timer Rec Sleep Timer Red Counter Reset Yellow Zero Return Green Program Video Plus or ShowView ...

Page 9: ...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 CP351 CP757 CP401 CP501 and CP502 Unlock the support 2 Remove the TV VCR Block in the direction of arrow Fig 1 3 1 4 MAIN PCB Refer to Fig 1 4 1 2 3 4 5 6 Remove the screw 1 Remove the Main PCB Holder Remove the 2 screws 2 Remove the 3 screws 3 Disconnect the following connectors CP810...

Page 10: ... 1 5 1 2 3 4 5 6 Remove the 2 screws 1 Remove the 4 screws 2 Remove the screw 3 Remove the Deck Shield Plate in the direction of arrow A Remove the screw 4 Remove the Shield Plate Bottom in the direction of arrow B Syscon PCB A Deck Holder Fig 1 7 3 3 B 2 2 Jack Plate 1 1 2 3 4 5 Remove the screw 1 Remove the Syscon PCB in the direction of arrow A Remove the 2 screws 2 Unlock the 2 supports 3 Remo...

Page 11: ...n Chassis Main Chassis Cassette Side L Cassette Side R Locker R Fig 2 4 2 5 CASSETTE SIDE L R Refer to Fig 2 5 Unlock the 4 supports 1 and then remove the Cassette Side L R 1 Screw Torque 5 0 5kgf cm 2 2 FLAP LEVER TAPE GUIDE R Refer to Fig 2 2 NOTE When you install the Cassette Side R be sure to move the Locker R after installing Cassette Side L Cassette Side R 1 1 1 Locker R 1 Fig 2 5 Move the C...

Page 12: ...2 supports 2 and remove the Tension Band Ass y Unlock the support 3 and remove the Tension Holder Remove the SS Brake Spring Remove the SS Arm Brake 1 2 3 4 5 6 7 8 1 2 1 Loading Motor Ass y Link Lever Main Chassis Screw Torque 5 0 5kgf cm Fig 2 7 2 8 SENSOR COVER L3 Refer to Fig 2 8 Unlock the support 1 and remove the Sensor Cover L3 1 Deck PCB BOT Link Ass y B Dumper Spring 3 3 1 2 2 Tension Adj...

Page 13: ...s 2 Remove the A C Head and A C Head Spring 1 2 3 4 NOTE Do not touch the A C Head Use gloves When you install the A C Head Spring install as shown in Fig 2 13 B Refer to Fig 2 13 B When you install the A C Head tighten the screw 1 first then tighten the screw 2 finally tighten the screw 3 1 2 3 A C Head 2 2 A C Head Spring 1 3 1 2 2 A C Head Base Spring Position Fig 2 13 B 2 14 FE HEAD RECORDER O...

Page 14: ...Capstan DD Unit 1 2 3 Screw Torque 5 0 5kgf cm Fig 2 16 2 17 MIDDLE GEAR MAIN CAM Refer to Fig 2 17 A Remove the Polyslider Washer 1 then remove the Middle Gear Remove the E Ring then remove the Main Cam P5 Cam and Pinch Roller Cam Remove the Polyslider Washer 2 then remove the Joint Gear 1 2 3 Capstan DD Unit Capstan Belt 1 1 1 Fig 2 18 1 Clutch Ass y Ring Spring Coupling Gear Clutch Lever 2 2 2 ...

Page 15: ...move the Loading Gear Spring 2 When you install the Clutch Actuator install as shown in the circle of Fig 2 19 C Refer to Fig 2 19 C Fig 2 19 C Clutch Actuator NOTE Do not touch the roller of Guide Roller Fig 2 20 Loading Gear Holder Inclined T P4 Cover Guide Roller Inclined S 1 2 3 4 4 Guide Roller 2 20 INCLINED S T ASS Y Refer to Fig 2 20 Unlock the support 1 and remove the P4 Cover Remove the s...

Page 16: ... Flip 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...

Page 17: ...pflop 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 S...

Page 18: ...arator 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 ...

Page 19: ...sition NOTE Also can be adjusted by pressing the ATR button for more than 2 seconds 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 USING HOURS Can be checked of the INITIAL DATA of MEMORY IC Refer to the NOTE FOR THE REPLACING OF MEMORY IC VOL MIN 6 VOL MIN 1 Initialization of the ...

Page 20: ...nd parts which the rubber touches Replace when rolling becomes abnormal Clean the Head CONFIRMATION OF USING HOURS 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 The confirmation of using hours will not be possible if clock has been set To reset clock either unplug AC cord and allow at least 30 minutes before Power...

Page 21: ...ontally Clean the full erase head in the same manner Refer to the figure below Audio Control Head 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...

Page 22: ...elected and should blink Using the PLAY or STOP button on the remote step through the ADDRESS until required ADDRESS to be changed is reached Press ENTER to select DATA When DATA is selected it will blink Again step through the DATA using PLAY or STOP 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...

Page 23: ...JG002B JG002E JG002F JG153 X Value Adjustment Screwdriver JG022 Master Plane JG024A Reel Disk Height Adjustment Jig Part No Remarks JG002B VSR Torque Brake Torque S Reel T Reel Ass y JG002E Brake Torque T Reel Ass y JG002F VSR Torque Brake Torque S Reel JG153 X Value Adjustment JG022 JG024A Reel Disk Height Adjustment Used to connect the Syscon PCB and Main PCB JG162A JG162F Used to connect the Sy...

Page 24: ...le JG162A and JG162F Connect the Syscon PCB to the CRT PCB with the cable JG162Y Remove the Operation PCB from the set then connect it with the Syscon PCB If necessary connect CP351 Front A V Jack Input Terminal Short circuit between TP1001 and GND with the cable JG154 The EOT BOT and Reel Sensor do not work at this moment At that time the STOP EJECT button is available to insert and eject the Cas...

Page 25: ... Adjustment Jig JG024A A Cut Position Fig 1 2 B B Tension Adjust 1 3 CONFIRMATION OF PLAYBACK TORQUE AND BACK TENSION TORQUE DURING PLAYBACK Load a video tape E 180 recorded in standard speed mode Set the unit to the PLAY mode Install the tentelometer as shown in Fig 1 3 Confirm that the meter indicates 20 2gf in the beginning of playback 1 2 USING A CASSETTE TYPE TORQUE TAPE KT 300NR 1 2 3 After ...

Page 26: ...NISM Tape Running Mechanism is adjusted precisely at the factory Adjustment is not necessary as usual When you replace the parts of the tape running mechanism because of long term usage or failure the confirmation and adjustment are necessary 2 1 GUIDE ROLLER Playback the VHS Alignment Tape Connect CH 1 of the oscilloscope to TP4002 Envelope and CH 2 to TP4001 SW Pulse Press and hold the Tracking ...

Page 27: ...t CH 1 of the oscilloscope to TP4002 CH 2 to TP4001 and CH 3 to HOT side of Audio Out Jack Playback the VHS Alignment Tape Press and hold the Tracking Auto button on the remote control more than 2 seconds to set tracking to center Set the X Value adjustment driver JG153 to the 4 of Fig 2 2 B Adjust X value so that the envelope waveform output becomes maximum Check if the relation between Audio and...

Page 28: ...S 3 MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 5 6 7 8 9 10 1 2 3 4 1 Tension Adjust 2 Tension Arm 3 Guide Roller 4 P1 Post 5 Audio Control Head 6 7 8 9 10 X value adjustment driver hole P4 Post T Brake Spring T Reel S Reel ...

Page 29: ...ress the VOL DOWN button on the set and the channel button 3 on the remote control simultaneously until the indicator REC disappears When the REC indicator is blinking press both VOL DOWN button on the set and the channel button 4 on the remote control simultaneously and adjust the Tracking button until the arising to the down of Head Switching Pulse becomes 6 5 0 5H Refer to Fig 2 1 A B Press the...

Page 30: ...nts 7 and 8 until the white color is looked like a white 2 8 HORIZONTAL PHASE 1 2 3 4 5 Receive the center cross signal from the Pattern Generator 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 1 on the remote control to select H V The Fig 2 4 appears on the display Press the channel button 1 ...

Page 31: ... on the remote control to select OTHERS The Fig 2 2 appears on the display Press the channel button 4 on the remote control to select OSD H Press the PLAY or STOP button on the remote control until the difference of A and B becomes minimum Refer to Fig 2 5 TV OSD H A B Fig 2 5 2 13 SUB BRIGHTNESS 1 2 3 4 5 6 7 Receive the monoscope pattern 80dB RF Input Using the remote control set the brightness ...

Page 32: ...ELECTRICAL ADJUSTMENTS TU601 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE VCR SECTION TP4002 TP4001 CP603 J4501 SYSCON PCB IC601 L608 TP1001 C1003 ...

Page 33: ...ELECTRICAL ADJUSTMENTS TV SECTION MAIN PCB FB401 FOCUS VOLUME SCREEN VOLUME VR502 CRT PCB TP801 T501 J801 TP401 ...

Page 34: ...rforming adjustments in section 4 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 the ...

Page 35: ... FIX GAIN CLAMP TEXT_R TEXT_B TEXT_G TEXT_Y VD AFT_M 12 11 BUS MICON OPERATION 49 48 6 1 4 3 L608 3 PUMP UP THERMAL PROTECTION 5 SYNC T TEXT 7 13 ABL MICON OPERATION PLL P2C TEXT_Y Q806 BLUE AMP Q805 Q804 GREEN AMP RED AMP B_OUT G_OUT R_OUT 3 Q601 AMP VIF AC IN D501 RECTIFIER F501 8 13 4 17 T501 18 3 1 POWER REG IC501 STR F6707 IC506 ON3171R FEED BACK Q507 FEED BACK SW Q506 5V SW Q513 5V SW VR502 ...

Page 36: ...C ALC NL EMPH NL DE EMPH MAIN EMPH CARRIER OFFSET W C DC F0 DEV ADJ S DET Q4006 BUFFER 88 87 89 86 H AMP 8 7 REC MUTE LINE MUTE ENV DET J4501 2 1 6 3 8 7 11 16 15 20 19 Q4507 PERI SW Q4509 AMP Q4505 MUTE SW L4001 TRAP Q4007 AMP Q4501 Q4502 BUFFER D4510 D4511 L4005 1 3 6 Q4004 Q4005 FE HEAD 4 ENV DET H SW MICON OPE SDA SCL VCR_A_MUTE V REC_ST_H CTL CTL CYL CP4001 3 2 4 SP COM SP CH2 L SP CH1 R CP40...

Page 37: ...6 5 SDA SCL EEP ROM IC1099 S 24C08ADPA 01 POWER_FAIL DC SCL HD CTL VV H CTL V REC_ST_H SDA TEXT_Y VD G OUT B OUT R OUT TV Q1014 TV POWER SW TV_POWER_H 89 VCR_MUTE VCR_A_MUTE 105 VIDEO H SW H SW 91 TUNER_MUTE TU_AUDIO_MUTE_H 43 REMOCON IN 3 1 OS1001 AT 5V D793 D791 D792 POWER ON SW Q4201 35 TUNER_AGC 24 VIDEO_ENV TU_AGC ENV_DET Q1016 HD SW Q1015 VD SW TV Y C AUDIO HEAD AMP 21PIN IN OUT DECK 4 3 2 L...

Page 38: ...GREEN 15 14 13 9 TRIPLE ANALOG MPXER IC853 TC74HC4053AF 5 RSTB OSC1 5 6 OSC2 X851 13875KHz 12 TCLK 19 SYNC 17 WIND SSIG 2 1 TSIG 3 CSIG Q855 RED BUFFER Q852 GREEN BUFFER Q851 BLUE BUFFER Q862 BLK BUFFER 1 2 3 4 5 12 11 10 Y C_VIDEO 21_G 21_B 21_R 21_Y SCL SDA TEXT_RESET Y COM X COM 1X 0X A B C 1Y 0Y 1Z Z COM 0Z D860 D858 D855 D857 D859 D856 Q863 V REF P CON 5V D861 TEXT_B TEXT_R TEXT_G TV MICON OP...

Page 39: ...R508 Q509 W008 R554 R507 R529 R511 Q503 C520 W013 R518 R520 R519 Q505 R516 D523 L402 C450 W031 Q403 W030 R407 R421 R411 W037 W814 R420 R425 W028 R412 W027 C429_1 W811 C404 W029 R504 C517 R448 W007 T501_1 J801_1 TP801 TP803 R807 R820 R 8 1 0 R 8 0 2 R808 TP802 R 8 0 5 Q804_1 Q805_1 C801 Q806_1 R801 C820 C805 R811 R814 C809 R813 R816 C811 R815 C810 R812 CP801 W032 C819 C P 8 0 3 B CC002 CC001 W039 H...

Page 40: ...C352 CD352 D791 D792 D793 J351 J701_1 R351 R350 R754 R761 W811 W001 R793 W002 W805 CD351_1 CP101 Q101 S103 S104 S101 S102 S105 S106 PRINTED CIRCUIT BOARDS OPERATION SOLDER SIDE DECK SOLDER SIDE ...

Page 41: ...01 IC1002 D1002 C1003 C1021 IC1099 R1019 CP1004 W193 D1014 D1015 D1016 W183 D1011 D1012 W194 W192 W198 W156 W155 W160 W159 W241 W158 W161 W199 W200 W822 W915 W062 CP757_2 W245 W233 W112 W132 W152 W114 W105 W111 W113 W106 W118 W072 W074 W083 W082 W078 W162 W077 W075 W076 W025 W024 W022 W026 W124 W191 W180 W121 W125 W279 W280 W281 W255 W267 W270 W330 W318 W317 W254 R4008 C663 W308 D604 R4507 W263 C6...

Page 42: ...030 R1090 C1074 R1035 C1060 R1078 R1080 C1049 C1062 C1056 R1087 Q1002 R1061 C1055 R1062 C1044 R1013 Q1015 R1063 R1059 Q1016 C1040 R1030 R1026 C1035 R1021 C1038 C1027 R1007 C1010 R1017 R1020 C1022 Q1004 C1012 C1015 R1027 C1019 C1018 R1022 Q1006 C1072 C1071 C1073 R4057 Q1014 R1039 Q1021 C1057 R4012 R4013 Q4003 Q4201 R1041 R1040 R1045 R1044 C1017 C1014 R1049 R1051 C1025 C1024 I C 1 0 0 6 R1109 R1110 ...

Page 43: ... 93 94 95 96 97 98 99 X4001 4 433619MHz CP4004 TMC T02X E1 1 2 CP4005 IMSA 9604S 06Z14 1 2 3 4 5 6 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D4003 RB721Q L4001 2623003 15 6KHZ TRAP 1 2 3 4 6 SDA SCL 2FSC H SW 2FSC_A ENV_DET P CON 5V EE VV_OUT D V_SYNC Y C_VIDEO TU_VIDEO TU_AUDIO Y C_VIDEO Y C_AUDIO GND Y C_AUDIO P CON 9V P CON 5V FRONT_V...

Page 44: ...03 0 1F 5 5V C1021 33 16V KA CP1006 IMSA 9604S 04Z14 1 2 3 4 L1001 12uH X1002 32 768KHz X1001 10MHz OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D1012 1SS133 D1011 1SS133 D1015 1SS133 D1014 1SS133 D1001 1N4005E D1004 1N4005E D1016 1SS133 D1017 1SS133 D1002 1SS133 D1006 SB10 03A3 D1010 SB10 03A3 SDA SCL SD_L VV H RESET CAP_F R EXT_IN_L CAP_L...

Page 45: ...W R1068 1K 1 4W R1073 820 1 4W R1085 100 1 4W C1034 0 1 B OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D1019 11EQS04N D1007 1SS133 D1018 11EQS04N P CON 5V_B P CON 9V P CON 5V GND VCR_POWER_H AT 12V AT 5 6V P CON 5V MOTOR_GND GND AT 5 6V AT 5 6V P CON 9V AT 30V P CON 9V P CON 5V_B AT 12V P CON 5V MOTOR_GND GND UNREG 8V AT 5 6V AT 30V P CON 9...

Page 46: ...05 12K R4525 100 R4519 5 6K R4501 56K R4518 5 6K R4508 6 8K R4516 75 R4523 75 R4521 75 R4522 75 R1106 820 R1107 1K R1110 15K R1109 6 8K R1105 2 7K R1104 1 5K R1103 1K R1102 820 R1108 1 5K R4201 75 C4503 1 F C1101 0 1 B C1103 100P CH C4204 0 1 B C4203 0 1 B C4502 1 F C4505 0 018 B C4510 0 01 B C4511 470P CH C4516 470PCH C4515 470PCH C4506 100 16V KA C4522 10 16V KA C4508 1 50V KA L4205 100uH L4204 ...

Page 47: ...10 1 F C676 220P B C627 16P CH C607 47P CH C648 47P CH C621 0 01 B C653 0 01 B C649 0 022 B C650 0 01 B C609 0 01 F C641 0 015 B C668 220P CH C608 0 001 B C624 0 047 B C644 0 001 B C639_1 10 16V KA C611 10 16V KA C613 10 16V KA C612 10 16V KA C658 100 6 3V KA C656 220 10V YK C605 2 2 50V KA C651 10 16V KA C619 1 50V KA C667 0 1 50V KA C645 1 50V KA L603 15uH L604 0 22uH L610 2 2uH L606 2 2uH X601 ...

Page 48: ... CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION W878 W829 W830 C357 1000 25V YK C355 10 16V KA C352 47 16V KA C351 3 3 50V KA C354 1000 16V YK C363_1 1000 16V YK C353_1 1000 16V YK R351 270 1 4W R352 470 R353 68K 1 4W R357 100K R355 10K 1 4W C356 0 001 B CP302 B2B EH A 1 2 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM I...

Page 49: ...22K R911 150K R910 56K R860 1K R897 2 2K R801 10K C889 0 1 F C888 0 01 B C884 0 01 B C867 0 1 MMTV C865 0 1 MMTV C862 0 1 MMTV C896 0 022 B C890 15P CH C887 220P CH C859 330P CH C893 56P CH C851 0 01 B C866 0 01 B C861 0 01 B C885 330P CH C895 0 1 TF C886 15P CH C869 220P CH C868 0 022 B C855 0 01 B C853 0 022 B C879 220 6 3V KA X851 13875KHz OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE T...

Page 50: ...ITAL TRANSISTOR IC501_1 STR F6707 POWER REG 1 2 3 4 5 HS501 763WAA0111 R542 0 33 1W R505 27K 3W R512 22K 1W R501 2 2 7W CP502 TV 50P 02 A1 1 2 F501 T4A_L_250V 218004 F502 T1 6A_L_250V 21801 6 FH501 EYF 52BC FH502 EYF 52BC FH504 EYF 52BC FH503 EYF 52BC RY501 SDT S 112LMR 1 2 3 4 2 1 L503 8F140018 DEGAUSS COIL CP504 THL P03P B1 1 2 CP501 THL P03P B1 1 2 CD502 CPU2012A 1 2 L501 RB 20871 1 2 3 4 5 L50...

Page 51: ... C421 1000 35V MHE OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME 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 D413 RMPG06J D401 11E1 EIC R450 5 6 2W...

Page 52: ...0 001 B OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME 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 R805 12K 2W R802 12K 2W R810 12K 2W THE DC VOLTAG...

Page 53: ...SE PARTS MARKED BY CAUTION THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE L351 HF57T18 5 10 10 L004 HF57T18 5 10 10 D792 SLZ 936C 07 S T1 POWER PLAY D793 SLZ 936C 07 S T1 REC OTR D791 SLZ 936C 07 S T1 T REC H E H E J701_1 JPJ3811 01 430 1 2 3 4 J351 HTJ 035 28A 1 2 3 4 5 6 7 CD351_1 CH27081A 1 2 3 ...

Page 54: ...AL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP101 52044 0445 1 2 3 4 Q101 RPT 38PB113 BOT SENSOR S105 S106 S103 S104 S101 S102 DECK SCHEMATIC DIAGRAM CP1006 MICON DECK PCB VE8851 VCC BOT LDM L...

Page 55: ...D B PCB340 POWER SW PCB SCREEN FOCUS GND UNREG 8V AT 13V AT 30V UNREG 8V MOTOR GND GND AT 12V GND UNREG 8V AT 13V AT 30V UNREG 8V MOTOR GND GND AT 12V VMX193 SOUND OUT L SP OUT L VCR POWER H V PULSE POWER FAIL TV POWER H SOUND GND DEGAUSS H VCR POWER H V PULSE POWER FAIL TV POWER H CD351 INTERCONNECTIO SCHEMATIC DIAGRAM VIDEO IN GND GND GND R G B SW RED GND NC NC GND GREEN GND AUDIO IN AUDIO IN BL...

Page 56: ...onding balloon number in the schematic diagram NOTE WAVEFORMS 1 5V 0 1ms div 7 20V 20µs div TV POWER 3 0 5V 10ms div 8 10V 10ms div TV POWER DEFLECTION CRT DEFLECTION 11 PB 2V 10ms div Y C AUDIO HEAD AMP 12 PB 10mV 5ms div 14 POWER ON 0 5V 10µs div 15 POWER ON 2V 20µs div 13 POWER ON 200mV 50ns div 2 5V 50µs div 10 2V 5µs div ...

Page 57: ...5µs div 20 REC 10V 5µs div MICON 21 POWER ON 1V 50ns div 18 POWER ON 50mV 1ms div 22 POWER ON 1V 20µs div 23 POWER ON 2V 20µs div 24 POWER ON 2V 5ms div 25 PB 50mV 10ms div 26 PB 50mV 0 5ms div WAVEFORMS 27 PB 1V 0 5µs div 28 PB 1V 0 5µs div 29 PB 2V 20µs div 30 PB 1V 50ms div 16 POWER ON 200mV 10µs div 17 POWER ON 50mV 1ms div ...

Page 58: ... 20mV 1ms div 33 POWER ON 5mV 1ms div CHROMA IF 34 POWER ON 5mV 1ms div 35 POWER ON 0 5V 20µs div 36 POWER ON 0 5V 20µs div 37 POWER ON 0 5V 20µs div 38 POWER ON 0 5V 10ms div 39 POWER ON 200mV 50µs div 40 POWER ON 2V 50µs div 41 POWER ON 200mV 0 1µs div WAVEFORMS 42 POWER ON 200mV 10µs div 43 POWER ON 10mV 10µs div 44 POWER ON 0 5V 10µs div 45 POWER ON 200mV 1ms div ...

Page 59: ...The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE WAVEFORMS 46 REC 0 5V 0 5ms div SOUND AMP 47 POWER ON 200mV 50ns div T TEXT ...

Page 60: ... CRT PCB J801 MECHANICAL EXPLODED VIEW PCB070 MAIN PCB 201 FB401 213 218 214 205 110 A 201 115 201 213 206 203 129 213 203 203 SP351 PCB030 OPERATION PCB 118 116 B 124 127 208 101 125 208 217 109 PCB340 POWER SW PCB SW501 219 117 206 206 ...

Page 61: ...MECHANICAL EXPLODED VIEW A 133 207 207 215 134 212 115 215 PCB010 SYSCON PCB 202 210 202 122 J4501 106 209 121 TU601 204 204 204 B 113 131 220 111 216 126 126 216 104 112 112 221 221 ...

Page 62: ...6 328 512 314 508 313 502 H5002 511 509 329 330 502 502 PCB550 DECK PCB ASS Y 303 AA AD AA AA AA AA AA AA AA AA AA AA AA AA BA AA 352 503 503 367 501 356 317 369 309 355 300 505 334 AA UN4001 M2003 510 M101 364 CLASS MARK GREASE AA BA Applying positions AA and BA for the grease or oil are displayed for this section Check if the correct grease or oil is applied for each position NOTE OIL ...

Page 63: ... 311 333 346 312 331 514 344 AA AA AA AA AA AA AA AA AA AA AA AA 307 354 326 327 322 513 350 308 337 AA 325 AA AA AA 300 NOTE Applying positions AA and BA for the grease or oil are displayed for this section Check if the correct grease or oil is applied for each position CLASS MARK GREASE AA BA OIL ...

Page 64: ...239 8109I30A04 SCREW TAP TITE B WH7 3x10 202 BZ710036 8117540B04 SCREW TAPPING B0 TRUSS 4x20 203 BZ710035 8117540A64 SCREW TAPPING B0 TRUSS 4x16 204 BZ710034 8117140A24 SCREW TAPPING B0 PAN 4x12 205 BZ710026 810B130A04 SCREW WASHER B M3x10 206 BZ710032 8110630A24 SCREW TAP TITE P BRAZIER 3x12 207 BZ710030 8110630804 SCREW TAP TITE P BRAZIER 3x8 208 BZ710031 8110630A04 SCREW TAP TITE P BRAZIER 3x10...

Page 65: ...600563 BRACKET MOTOR 331 BZ710086 85OP300178 GEAR MAIN LOADING 332 BZ710087 85OP300179 GEAR LOADING S 333 BZ710088 85OP300180 GEAR LOADING T 334 BZ710208 85OP300187 HOLDER LOADING GEAR S Z 335 BZ710090 85OP400472 ADJUST TENSION 336 BZ710093 85OP400492 HOLDER TENSION 337 BZ710092 85OP400490 LEVER TENSION 338 BZ710091 85OP400475 COVER P4 339 BZ710097 85OP600543 GEAR JOINT 340 BZ710098 85OP600544 GEA...

Page 66: ... 3x5 0 511 BZ710055 82P266005N POLYSLIDER WASHER CUT 2 6x6 0xT0 5 512 BZ710218 82Q2647C5N POLYSLIDER WASHER 2 6x4 7xT0 25 513 BZ710054 82P184505N POLYSLIDER WASHER CUT 1 8x4 5xT0 5 514 BZ710058 83ETW30000 E RING 3 0 515 BZ710219 810A126504 SCREW WASHER A M2 6x5 CP101 BZ614040 069R740018 CONNECTOR PCB SIDE 52044 0445 H5001 BZ710040 1523D91034 HEAD AUDIO CONTROL HVMXA1072A H5002 BZ710041 1543D02013 ...

Page 67: ...V BP C529 BZ110051 CB3930MH3M CC 0 0022UF 250V C530 BZ110051 CB3930M13M CC 0 001 UF 250V C801 BZ110009 C13HB07H3K CC 0 0022UF 2KV B C819 BZ110009 C13HB07H3K CC 0 0022UF 2KV B C1003 BZ110052 E51XWP104Z CE 0 1 F 5 5V D401 BZ410043 D2WT011E10 DIODE SILICON 11E1 EIC D410 BZ410021 D97U05R61B DIODE ZENER MTZJ5 6B T 77 D411 BZ410014 D2LTPG06J0 DIODE SILICON RMPG06J G3 D413 BZ410014 D2LTPG06J0 DIODE SILIC...

Page 68: ...T001330 DIODE SILICON 1SS133T 77 D4511 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 IC351 BZ611001 I01DP75110 IC AN7511 IC401 BZ611025 I03TD80400 IC LA78040 IC501 BZ611026 I2BT067070 IC STR F6707 IC506 BZ410001 000210001R PHOTO COUPLER ON3171R IC601 BZ611027 I03DE68120 IC LA76812 IC851 BZ611028 ICKD001060 IC ET106 or BZ611043 ICKD002060 IC ET206 IC852 BZ611029 ICKD003170 IC ET317 IC853 BZ611030 I5...

Page 69: ...F AA Q4002 BZ510031 TD3T007340 TRANSISTOR SILICON 2SD734 E F AA Q4003 BZ510026 TPYJC05001 COMPOUND TRANSISTOR DTA124EKAT146 Q4004 BZ510016 TCWT022740 TRANSISTOR SILICON 2SC2274 AA Q4005 BZ510016 TCWT022740 TRANSISTOR SILICON 2SC2274 AA Q4006 BZ510001 T6YJ1037K0 TRANSISTOR SILICON 2SA1037AKT146R S Q4007 BZ510002 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S Q4010 BZ510002 T8YJ2412K0 TRANSISTOR SIL...

Page 70: ...1A PCB ASS Y VMX193A PCB030 BZ610059 A57054A03A PCB ASS Y TE9A16A PCB070 BZ610060 A57054A07A PCB ASS Y TMX473A PCB110 BZ610061 A57054A11A PCB ASS Y TCX333A PCB340 BZ610062 A57054A34A PCB ASS Y TEXA36A PCB550 BZ610053 A4C831B550 SEE CHASSIS REPLACEMENT PARTS LIST ANT001 BZ614094 125C500017 ANTENNA LOOP TU 33AP B504 BZ310016 024AT03655 CORE BEADS BL01RN1 A63T6 B505 BZ310061 024A8407C3 CORE BEADS BL0...

Page 71: ...218004 F502 BZ614110 0808T1R602 FUSE 21801 6 FB401 BZ614111 043213012R TRANSFORMER FLYBACK 3213012R FH501 BZ614005 06710T0006 HOLDER FUSE EYF 52BC FH502 BZ614005 06710T0006 HOLDER FUSE EYF 52BC FH503 BZ614005 06710T0006 HOLDER FUSE EYF 52BC FH504 BZ614005 06710T0006 HOLDER FUSE EYF 52BC ICP502 BZ614036 083PC05002 MICRO FUSE 251005 ICP504 BZ614036 083PC05002 MICRO FUSE 251005 OS1001 BZ614031 077901...

Page 72: ...TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B 06 01 ALEXANDRA TECHNOPARK SINGAPORE 119968 ...

Search results

Summary of Contents for VTV1402B

Reviews:

Related manuals for VTV1402B

Brands by name

Popular brands

Toshiba VTV1402B, Service Manual

Search results

Summary of Contents for VTV1402B

Reviews:

Related manuals for VTV1402B

Brands by name

Popular brands