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Toshiba V-E78 Service Manual

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FILE NO. 120-200155
SERVICE MANUAL
VIDEO CASSETTE RECORDER
V-E78
MAY, 2001

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Summary of Contents for Toshiba V-E78

  • Page 1 FILE NO. 120-200155 SERVICE MANUAL VIDEO CASSETTE RECORDER V-E78 MAY, 2001...
  • Page 2 TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B #06-01 ALEXANDRA TECHNOPARK SINGAPORE 119968...
  • Page 3 TOTAL CONTENTS 1. Precautions 2. Reference Information 3. Product Specifications 4. Disassembly and Reassembly 5. Alignment and Adjustment 6. Exploded View 7. Replacement Parts List 8. Block Diagram 9. PCB Diagrams 10. Schematic Diagrams...
  • Page 4 Alternatively, wear a discharging Wrist-strap device. (Be sure to remove it prior to applying power--this is an electric shock precaution.) Toshiba...
  • Page 5 Always inspect for pinched, out- of-place, or frayed wiring. Do not change the spacing between components and the printed circuit board. Check the AC power cord for damage. Make sure that leads and components do not touch thermally hot parts. Toshiba...
  • Page 6 2. Reference Information 2-1 Operation of Controls Toshiba...
  • Page 7 Reference Information Toshiba...
  • Page 8 Reference Information Toshiba...
  • Page 9 Reference Information Toshiba...
  • Page 10 Reference Information Toshiba...
  • Page 11 Reference Information Toshiba...
  • Page 12 Reference Information Toshiba...
  • Page 13 Reference Information Toshiba...
  • Page 14 Reference Information Toshiba...
  • Page 15 Reference Information 2-10 Toshiba...
  • Page 16 Reference Information Toshiba 2-11...
  • Page 17 Reference Information 2-12 Toshiba...
  • Page 18 Reference Information Toshiba 2-13...
  • Page 19 Reference Information 2-14 Toshiba...
  • Page 20 Reference Information Toshiba 2-15...
  • Page 21 Reference Information 2-16 Toshiba...
  • Page 22 Reference Information 2-2 IC Blocks 2-2-1 IC301 (LA71598M) Toshiba 2-17...
  • Page 23 Reference Information 2-2-2 IC501 (LA72634AM) 2-18 Toshiba...
  • Page 24 Reference Information 2-2-3 IC601 (uPD784928) Toshiba 2-19...
  • Page 25 Reference Information MEMO 2-20 Toshiba...
  • Page 26 68 dB min (IHF A filter) Frequency response 20Hz - 20kHz Power requirement AC 100-240V 50/60 Hz Power consumption Approx. 17 watts Operation temperature 41°F-104°F (5°C-40°C) Operation humidity 10%-75% Weight 2.8 Kg (net) Dimensions (WxHxD) 430 x 94 x 299 mm Toshiba...
  • Page 27 Product Specifications MEMO Toshiba...
  • Page 28 Disconnect the CN708/CN710 from the Ass'y PCB-Main and then lift the Ass'y Function PCB up. ´ Lift up the Bottom Cover in the direction of arrow. Fig. 4-2 Bottom Cover Removal CN708 CN710 Fig. 4-4 Ass’y Function PCB Removal Toshiba...
  • Page 29 4-1-5 Chassis Removal ˇ 3 SCREWS ¨ Lift the Ass'y Deck up. Ø Lift the Ass'y Main PCB up to Remove. Œ 2 SCREWS ˆ RELEASE 1 TAB ASSEMBLY POINT (ALIGN TWO ARROWS) ´ BRACKET-FRAME Fig. 4-5 Chassis Removal Toshiba...
  • Page 30 4-2-1 Top View Œ ´ ˇ ¨ ˆ Ø Fig. 4-6 Top parts Location-1 Œ GEAR FL CAM ´ MOTOR LOADING ASS’Y ˇ LEVER FL ARM ASS’Y ¨ HOLDER FL CASSETTE ASS’Y ˆ LEVER FL DOOR Ø SLIDER FL DRIVE Toshiba...
  • Page 31 ´ CYLINDER ASS’Y ˝ GEAR IDLE ˇ ACE HEAD ASS’Y Ô LEVER IDLE ¨ LEVER UNIT PINCH ASS’Y  LEVER T BRAKE ASS’Y ˆ LEVER #9 GUIDE ASS’Y Ò DISK T REEL Ø LEVER TENSION ASS’Y ∏ BAND BRAKE ASS’Y Toshiba...
  • Page 32 Œ GEAR JOINT 1 ´ GEAR JOINT 2 ˇ BRACKET GEAR ¨ MOTOR CAPSTAN ASS’Y ˆ LEVER T LOAD ASS’Y Ø GEAR LOADING DRIVE ∏ LEVER S LOAD ASS’Y ” HOLDER CLUTCH ASS’Y ’ BELT PULLEY ˝ SLIDER CAM Toshiba...
  • Page 33 Lever FL Cassette-R ´ at disassembling and "B" reassembling. ´ LEVER FL DOOR ˇ HOOK "C" Fig. 4-9 Lever FL Door Removal RAIL [B] Œ HOLDER FL ´ LEVER FL CASSETTEE -R CASSETTEE ASS`Y "A" BOSS [A] Fig. 4-10 Holder FL Cassette Ass’y Removal Toshiba...
  • Page 34 Œ LEVER FL ARM ASS`Y Fig. 4-13 Lever FL Arm Ass’y Removal ´ GEAR FL CAM Œ SLIDER FL DRIVE Fig. 4-11 Slider FL Drive Removal Œ GEAR FL CAM GEAR WORM WHEEL POST TIMING POINT Fig. 4-12 Gear FL Cam, Gear Worm Toshiba...
  • Page 35 1) Remove the screw Œ. 1) Remove the Gear Worm wheel Œ. 2) Remove the Motor Loading Ass’y ´. ´ MOTOR LOADING ASS`Y Œ SCREW Œ GEAR WORM WHEEL Fig. 4-15 Motor Loading Ass’y Removal Fig. 4-14 Gear Worm Wheel Removal Toshiba...
  • Page 36 Fig. 4-16 Bracket Gear, Gear Joint 1,2 Removal Fig. 4-18 Gear Loading Drive, Slider Cam, Lever T, S Load Ass’y Removal Œ GEAR JOINT1 ´ GEAR JOINT2 ˇ SLIDER CAM TIMING POINT 2 TIMING POINT 1 Fig. 4-17 Gear Joint 1,2 Assembly Toshiba...
  • Page 37 LEVER LOAD T LEVER LOAD S Lever Tension Drive Removal TIMING POINT 2 TIMING POINT 3 PIN A PIN C PIN D PIN B ˇ SLIDER CAM Fig. 4-19 Gear Loading Drive, Slider Cam, Lever Load S, T Ass’y Assembly Toshiba 4-10...
  • Page 38 ˇ SPRING BRAKE Œ SPRING TENTION LEVER STOPPER Œ LEVER S BRAKE ASS`Y "A" HOOK(C) MARK[B] HOOK(B) ´ LEVER T BRAKE ASS`Y Fig. 4-21 Lever Tension Ass’y, Band Brake Ass’y Removal Fig. 4-22 Lever Brake S, T Ass’y Removal 4-11 Toshiba...
  • Page 39 ´ DISK T REEL add oil in the boss of Lever Idle Œ. "A" Œ LEVER IDLE ´ GEAR IDLE "B" ´ GEAR IDLE HOOK "C" Fig. 4-24 Disk S, T Reel Removal Fig. 4-23 Gear Idle Ass’y Removal Toshiba 4-12...
  • Page 40 DETAIL B Fig. 4-26 Lever Up Down Ass’y Removal SPRING GEAR CENTER ASS'Y GUIDE LEVER UP DOWN ASS'Y RING <BAD> <GOOD> GEAR POST HOOK Fig. 4-25 Holder Clutch Ass’y Removal MAIN BASE Fig. 4-27 Lever Up Down Ass’y Removal 4-13 Toshiba...
  • Page 41 Œ GUIDE CASSETTE DOOR Œ LEVER UNIT PINCH ASS`Y HOOK [A] ´ PLATE JOINT ˇ SPRING PINCH DRIVE Fig. 4-28 Guide Cassette Door Removal Fig. 4-29 Lever Unit Pinch Ass’y, Plate Joint, Spring Pinch Drive Removal Toshiba 4-14...
  • Page 42 2) After reinstalling, check the bottom side of the Post #9 Guide to the top side of Main Base. "A" Œ SPRING #9 GUIDE ´ LEVER #9 GUIDE ASS`Y "B" Fig. 4-31 FE Head Removal Fig. 4-30 Lever #9 Guide Ass’y Removal 4-15 Toshiba...
  • Page 43 2) Remove the screw Œ. 3) Lift the ACE Head Ass’y ´. Œ SLIDER S ASS`Y Œ SCREW ´ SLIDER T ASS`Y ´ HEAD ACE ASS`Y Fig. 4-33 Slider S, T Ass’y Removal Fig. 4-32 ACE Head Removal Toshiba 4-16...
  • Page 44 1) Release the Hook Œ. 2) Lift the Lever Head Cleaner Ass’y ´. ´ LEVER HEAD CLEANER ASS'Y Œ HOOK SLEEVE-HEAD CLEANER ˇ CYLINDER ASS'Y Fig. 4-34 Plate Ground Deck, Cylinder Ass’y Removal Fig. 4-36 Level Head Cleaner Ass’y Removal 4-17 Toshiba...
  • Page 45 3) Rotate Gear Worm Œ clockwise using screw driver again up to the state of eject mode and then pick out the tape.(Refer to Fig. 4-38) ˇ MOTOR CAPSTAN ASS'Y Fig. 4-37 Damper Capstan,Motor Capstan Ass’y Removal FRAME Fig. 4-39 Toshiba 4-18...
  • Page 46 ∆ CAPSTAN MOTOR PULLEY BELT PULLEY ∆ HOLDER CLUTCH ASS’Y GEAR CENTER ASS’Y GEAR IDLE (2Point) LOADING MOTOR BAND BRAKE ASS’Y BRAKE T ASS’Y ◆ : Add Oil ∆ : Cleaning O : Check and replacement in necessary 4-19 Toshiba...
  • Page 47 Disassembly and Reassembly MEMO Toshiba 4-20...
  • Page 48 5-1-1 Location of adjustment button of remote control DISPLAY EJECT STANDBY X-Point (Tracking Center) Adjustment I.SELECT COUNT.RST F.ADV INDEX COUNT/TR CLR/RST TIMER MENU NVRAM Option Setting PLAY CURSOR SLOW PAUSE /STILL STOP SP/LP AUDIO Head Switching Adjustment A.DUB VT-W58 Fig. 5-1 Toshiba...
  • Page 49 Alignment and Adjustment 5-1-2 SW703 location for adjustment mode setting Fig. 5-2 Main PCB (Top View) Toshiba...
  • Page 50 Fig. 5-3 Location of Tape Transport Adjustment PINCH ROLLER FE HEAD CYLINDER ASS'Y GUIDE ROLLER "S" GUIDE ROLLER "T" POST TENSION #8 GUIDE POST #9 GUIDE POST #3 GUIDE POST MAIN BASE ACE HEAD CAPSTAN SHAFT Fig. 5-4 Tape Travel Diagram Toshiba...
  • Page 51 Test point : TP601 (Control Pulse) TP602 (H’D S/W -Trigger) TP301 (Envelope) TP302 (Audio output) TP303 (Video output) Test tape : ST-N1 BLANK TAPE : T-160 AUDIO OUTPUT ENVELOPE HEAD SWITCHING Fig. 5-5 Location of Test point (Main PCB-Top View) Toshiba...
  • Page 52 4) Connect the CH-1 probe to TP303 (Envelope) the CH-2 probe to TP601 (H’D switching pulse) and then trigger to CH-1. 5) Insert the (-) driver into the X-Point adjustment hole and adjust it so that envelope waveform is maximum. 6) Turn the Power off. Toshiba...
  • Page 53 ) driver to obtain a flat video RF envelope as shown in Fig. 5-11. IDEAL ENVELOPE S HEIGHT TOO HIGH S HEIGHT TOO LOW T HEIGHT TOO HIGH T HEIGHT TOO LOW GUIDE ROLLER S GUIDE ROLLER T Fig. 5-11 Guide Roller S, T Height Adjustment Toshiba...
  • Page 54 3) Brake is operated by slider cam at FF/REW mode. 4) Transportation of accurate driving force is done by gears. (Gear Center Ass’y) Note : If the spec. does not meet the followings speci- fications, replace the holder clutch ass’y and then recheck. Toshiba...
  • Page 55 CNG : OK SAVE : MENU Fig. 5-14 Fig. 5-15 <Table 5-2> MODEL OPTION NUMBER V-E78 6, 7, 8, 9, 10, 15, 20, 22, 25, 27, 29, 33, 35, 39, 42, 45, 49, 50, 52, 53, 57, 60, 61, 64 Toshiba...
  • Page 56 6-3 Mechanical Parts (Top Side) - - - - - - - - - - - - - - - - - - - - - - - 6-4 Mechanical Parts (Bottom Side) - - - - - - - - - - - - - - - - - - - - Toshiba...

  • Page 57: Packing Assembly

    Exploded View 6-1 Packing Assembly Y102 Y101 UT01 A702 A702 A701 Toshiba...

  • Page 58: Instrument Assembly

    Exploded View 6-2 Instrument Assembly Toshiba...

  • Page 59: Mechanical Parts (Top Side)

    6-3 Mechanical Parts (Top Side) G001 K490 K502 K530 G555 B473 G530 B474 G450 G510 G680 G420 G480 (OPTIONAL) K546 K250 K240 (OPTIONAL) K248 B575 G681 B410 K350 K110 B440 K182 B448 K340 K330 B452 G546 K470 K140 K188 G527 G520 G070 G060 Toshiba...

  • Page 60: Mechanical Parts (Bottom Side)

    Exploded View 6-4 Mechanical Parts (Bottom Side) G542 B462 B456 B560 B460 B500 B458 B464 B488 B501 B489 B484 B468 K222 K200 K225 K221 B478 B570 Toshiba...
  • Page 61 Exploded View MEMO Toshiba...
  • Page 62 7. Replacement Parts List Loc.No. TSB Parts No. Reference No. Description ; Specification Remark - PACKING PARTS - A701 BY634561 AC69-00187A PACKING CASE;V-E78/TSB,SW2 YEL,-,-,501,3 A702 BY730463 AC69-00040A CUSHION-F/B;M-686,EPS,-,-,-,-,- UT01 BY634442 AC59-00039A REMOCON-ASSY;V-W58,TSB,-,VS-T87014,-,-,- Y101 BY634451 AC68-01219A MANUAL USERS;V-E78,TSB,ENG,RUSIA,-,-,-,- Y102 BY634253 AC39-00017A CABLE-ETC-RF(PAL);-,MALE/FEMALE,1200MM,R...
  • Page 63 K546 BY730086 AC61-50658A GUIDE-CASS. DOOR;X-9,POM,-,NTR,-,- SC01 22797145 6003-000283 SCREW-TAPTITE;BH,+,B,M3,L8,ZPC(YEL),SM20 SC02 22797145 6003-000283 SCREW-TAPTITE;BH,+,B,M3,L8,ZPC(YEL),SM20 - ELECTRICAL PARTS - BY630168 AC92-00808H ASSY PCB-MAIN;V-E78,HIFI,FREE,ME.ASIA BY630170 AC94-00090C ASSY-FUNCTION;V-E78,F/AV,01TSB-PAL < INTEGRATED CIRCUITS > IC1SF1 BY631087 1203-001802 IC-PWM CONTROLLER;STR-G6551,TO-220F,5P,- IC1SS1 BY530004 0604-001028 PHOTO-COUPLER;TR,50-600%,250mW,DIP-4,ST IC1SS2 BY631008 AC14-12006D IC;KA431Z,TO-92,TAPING...
  • Page 64 BY330009 2701-000002 INDUCTOR-AXIAL;100uH,10%,4.2x9.8mm L602 BY330009 2701-000002 INDUCTOR-AXIAL;100uH,10%,4.2x9.8mm L603 BY330009 2701-000002 INDUCTOR-AXIAL;100uH,10%,4.2x9.8mm L6P03 70795162 2701-000160 INDUCTOR-AXIAL;22uH,5%,2.4x3.4mm L6P04 BY330054 2701-000201 INDUCTOR-AXIAL;5.6uH,5%,2.4x3.4mm L6P05 BY330052 2701-000165 INDUCTOR-AXIAL;27uH,5%,2.4x3.4mm L802 BY330009 2701-000002 INDUCTOR-AXIAL;100uH,10%,4.2x9.8mm L803 BY330053 2701-000181 INDUCTOR-AXIAL;33uH,5%,2.4x3.4mm L804 BY330053 2701-000181 INDUCTOR-AXIAL;33uH,5%,2.4x3.4mm L807 BY330053 2701-000181 INDUCTOR-AXIAL;33uH,5%,2.4x3.4mm Toshiba...
  • Page 65 BY130348 2203-001088 C-CERAMIC,CHIP;0.005nF,0.25pF,50V,NP0,TP C346 BY130282 2401-003107 C-AL;47uF,20%,16V,GP,TP,5x7,5 C347 BY130156 2203-001077 C-CERAMIC,CHIP;0.056nF,5%,50V,NP0,TP,201 C348 BY130156 2203-001077 C-CERAMIC,CHIP;0.056nF,5%,50V,NP0,TP,201 C349 BY130343 2203-000429 C-CERAMIC,CHIP;0.018nF,5%,50V,NP0,TP,201 C350 70796281 2203-000260 C-CERAMIC,CHIP;10nF,10%,50V,X7R,TP,2012 C360 BY130273 2401-000414 C-AL;10uF,20%,16V,GP,TP,4x7,5 C381 70796281 2203-000260 C-CERAMIC,CHIP;10nF,10%,50V,X7R,TP,2012 C385 BY130379 2203-000828 C-CERAMIC,CHIP;0.036nF,5%,50V,NP0,TP,201 C390 BY130027 2202-002037 C-CERAMIC,MLC-AXIAL;100nF,80-20%,50V,Y5V Toshiba...
  • Page 66 70796376 2203-000716 C-CERAMIC,CHIP;3.3nF,10%,50V,X7R,TP,2012 C510 BY130282 2401-003107 C-AL;47uF,20%,16V,GP,TP,5x7,5 C511 BY130150 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,TP, C512 BY130011 2203-001665 C-CERAMIC,CHIP;0.56nF,10%,50V,X7R,TP,201 C513 70795075 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5S,TP, C514 BY130042 2401-000598 C-AL;1uF,20%,50V,GP,TP,4x7,5 C515 BY130042 2401-000598 C-AL;1uF,20%,50V,GP,TP,4x7,5 C516 70796376 2203-000716 C-CERAMIC,CHIP;3.3nF,10%,50V,X7R,TP,2012 C517 BY130174 2203-000891 C-CERAMIC,CHIP;4.7nF,10%,50V,X7R,TP,2012 C518 70699092 2401-000918 C-AL;22uF,20%,16V,GP,-,6.3x7,5 Toshiba...
  • Page 67 BY130167 2203-000444 C-CERAMIC,CHIP;1nF,10%,50V,X7R,TP,2012,- C704 BY130262 2202-000173 C-CERAMIC,MLC-AXIAL;1nF,10%,50V,Y5P,TP,1 C705 BY130262 2202-000173 C-CERAMIC,MLC-AXIAL;1nF,10%,50V,Y5P,TP,1 C806 BY130208 2203-000237 C-CERAMIC,CHIP;100pF,5%,50V,NPO,TP,2012, C816 BY130276 2401-001074 C-AL;0.33uF,20%,50V,BP,TP,4x5mm,2 C817 BY130378 2401-000810 C-AL;220uF,20%,16V,GP,TP,8x11.5,5 C818 70796281 2203-000260 C-CERAMIC,CHIP;10nF,10%,50V,X7R,TP,2012 C821 BY130015 2401-001479 C-AL;470uF,20%,10V,GP,TP,-,- C822 70795969 2203-000239 C-CERAMIC,CHIP;0.1nF,5%,50V,NP0,TP,2012 C837 BY130344 2203-000784 C-CERAMIC,CHIP;0.33nF,5%,50V,NP0,TP,2012 Toshiba...
  • Page 68 70795515 2007-000468 R-CHIP;1KOHM,5%,1/10W,DA,TP,2012 R3A05 70795533 2007-000774 R-CHIP;33KOHM,5%,1/10W,DA,TP,2012 R3A06 70795522 2007-000449 R-CHIP;180OHM,5%,1/10W,DA,TP,2012 R3A07 BY230094 2007-000757 R-CHIP;330KOHM,5%,1/10W,DA,TP,2012 R3A08 70795686 2007-000355 R-CHIP;12KOHM,5%,1/10W,DA,TP,2012 R3A09 70795539 2007-000981 R-CHIP;5.6KOHM,5%,1/10W,DA,TP,2012 R3A10 70795005 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R3A11 70795523 2007-000267 R-CHIP;1.8KOHM,5%,1/10W,DA,TP,2012 R3A12 70796026 2007-000502 R-CHIP;2.2OHM,5%,1/10W,DA,TP,2012 R3A13 70795704 2007-000931 R-CHIP;470OHM,5%,1/10W,DA,TP,2012 Toshiba...
  • Page 69 2007-000931 R-CHIP;470OHM,5%,1/10W,DA,TP,2012 R644 70795005 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R650 BY230243 2003-000111 R-METAL OXIDE;0.47ohm,5%,1W,AD,TP,4.3x12 R651 BY230091 2007-000001 R-CHIP;68KOHM,5%,1/10W,DA,TP,2012 R654 BY230038 2001-000812 R-CARBON;5.6KOHM,5%,1/8W,AA,TP,1.8X3.2M R655 70795705 2007-000941 R-CHIP;47KOHM,5%,1/10W,DA,TP,2012 R656 70795520 2007-000241 R-CHIP;1.5KOHM,5%,1/10W,DA,TP,2012 R657 70795052 2001-000010 R-CARBON;68KOHM,5%,1/8W,AA,TP,1.8X3.2MM R660 70795041 2001-000786 R-CARBON;47KOHM,5%,1/8W,AA,TP,1.8X3.2MM R661 70795533 2007-000774 R-CHIP;33KOHM,5%,1/10W,DA,TP,2012 Toshiba...
  • Page 70 70795040 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2M W140 70795004 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM W175 70795004 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM W199 70795513 2007-000029 R-CHIP;0OHM,5%,1/10W,DA,TP,2012 W304 70795004 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM W750 70795513 2007-000029 R-CHIP;0OHM,5%,1/10W,DA,TP,2012 W751 70795513 2007-000029 R-CHIP;0OHM,5%,1/10W,DA,TP,2012 W752 70795513 2007-000029 R-CHIP;0OHM,5%,1/10W,DA,TP,2012 W754 70795513 2007-000029 R-CHIP;0OHM,5%,1/10W,DA,TP,2012 W755 70795513 2007-000029 R-CHIP;0OHM,5%,1/10W,DA,TP,2012 Toshiba...
  • Page 71 SWITCH-TACT;15V,20mA,160gf,6x7.9x3.5mm,S SW601 BY632004 AC34-20100A SWITCH-MODE;-,-,X-9,- SW713 BY632001 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST TM401 BY730631 AC40-00001H TM-BLOCK;TCMK0601PD11A,G/I/K(HIFI),TCMK VA1SS1 BY634022 1405-001026 VARISTOR;470V,600A,9x7mm,TP XT301 BY633009 2801-001397 CRYSTAL-UNIT;4.433619MHZ,HC-49/U-S 15PPM XT302 BY633012 2801-003399 CRYSTAL-UNIT;3.579545MHz,15ppm,28-AAA,S, XT4N01 BY633011 2801-003171 CRYSTAL-UNIT;18.432MHz,20PPM,28-AAM,4PF, XT601 BY633003 2801-003318 CRYSTAL-UNIT;32.768KHz,20ppm,28-AAP,12.5 XT602 BY633010 2801-003139 CRYSTAL-UNIT;8MHz,50ppm,28-AAA,22pF,80oh 7-10 Toshiba...
  • Page 72 FILE NO. 120-200155 SERVICE MANUAL VIDEO CASSETTE RECORDER V-E78 MAY, 2001...
  • Page 73 8. Block Diagram WITHOUT CANAL MODEL Toshiba...
  • Page 74 Block Diagram MEMO Toshiba...
  • Page 75 9-2 Function - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Toshiba...
  • Page 76 PCB Diagrams 9-1 Main Toshiba...
  • Page 77 PCB Diagrams Toshiba...
  • Page 78 PCB Diagrams 9-2 Function Toshiba...

  • Page 79: Table Of Contents

    10-10 F-AV ASSY - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-12 Toshiba 10-1...

  • Page 80: Block Identification Of Main Pcb

    Important safety notices : Components identified with the mark have the special characteristics for safety. When replacing any of these components. Use only the same type. ◆ Block Identification of Main PCB 10-2 Toshiba...

  • Page 81: Free Voltage)

    Schematic Diagrams 10-1 S.M.P.S (Free Voltage). Toshiba 10-3...

  • Page 82: Power

    Schematic Diagrams 10-2 Power 10-4 Toshiba...

  • Page 83: System Control/Servo/Display

    Schematic Diagrams 10-3 System Control/Servo/Display Toshiba 10-5...

  • Page 84: Audio/Video

    Schematic Diagrams 10-4 Audio/Video 10-6 Toshiba...

  • Page 85: Hi-Fi

    Schematic Diagrams 10-5 Hi-Fi Toshiba 10-7...

  • Page 86: Tm-Block

    Schematic Diagrams 10-6 TM-Block 10-8 Toshiba...

  • Page 87: A2/Nicam

    Schematic Diagrams 10-7 A2/NICAM Toshiba 10-9...

  • Page 88: Vps/Pdc

    Schematic Diagrams 10-8 OSD/ VPS/ PDC 10-10 Toshiba...

  • Page 89: Input-Output

    Schematic Diagrams 10-9 Input-Output Toshiba 10-11...

  • Page 90: F-Av Assy

    Schematic Diagrams 10-10 F-AV ASSY 10-12 Toshiba...

Table of Contents