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Toshiba MV13L3, Service Manual

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Toshiba MV13L3 Service Manual Download Page 21

Taper nut driver

70909228

SERVICING FIXTURES AND TOOLS

Back tension cassette gauge

70909103

Torque cassette gauge
(KT-300NR)

70909199

Adapter
Dial Torque Gauge
(10~90gf•cm)
(60~600gf•cm)

JG154 Cable

VTR cleaning kit

VTR lubrication kit

Grease

JG002B
JG002E

JG002F

JG153 X Value Adjustment

Screwdriver

JG022 Master Plane

JG024A Reel Disk Height

Adjustment Jig

Alignment Tape

ST-N5
ST-NF

Remarks

Part No.

Ref. No.

Parts Name

JG002B

JG002E

JG002F

APJG002B00

APJG002E00

APJG002F00

Adapter

Dial Torque Gauge (10~90gf•cm)

Dial Torque Gauge (60~600gf•cm)

VSR Torque, Brake Torque (S Reel/T Reel Ass'y)

Brake Torque (T Reel Ass'y)

VSR Torque, Brake Torque (S Reel)

JG154

APJG154000

Cable

Used to connect the test point of SERVICE and GROUND

APJG022000

JG022

Master Plane

Reel Disk Height Adjustment

JG024A

APJG024A00

Reel Disk Height Adjustment Jig

Reel Disk Height Adjustment

JG153

APJG153000

X Value Adjustment Screwdriver

X Value Adjustment

Tentelometer

PREPARATION FOR SERVICING

How to use the Servicing Fixture

1.
2.

3.

4.

Unplug the connector CP353 and CP354, then remove the TV/VCR Block from the set.
Remove the Operation PCB from the set, then connect it with the Syscon PCB.
If necessary, connect CP353. (Front A/V Jack Input Terminal)
Short circuit between TP1001 and Ground with the cable JG154.
(Refer to MAJOR COMPONENTS LOCATION GUIDE)
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 Cassette Tape.

Summary of Contents for MV13L3

Page 1: ...SERVICE MANUAL COLOR TELEVISION VIDEO CASSETTE RECORDER FILE NO 140 200114 MV13L3 ...

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: ...roadcasting System US Sysytem M System Tuner and System 1Tuner Receive CH Destination USA 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 G 4 Signal Video Signal Input Level 1 V p p 75 ohm Output Level S N Ratio Weighted 50 dB Horizon...

Page 4: ...H AV Yes Tape Counter Linear Counter Yes Tape Speed Yes Sleep Time Yes Stereo Audio Output No Bilingal 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 Manual Tracking Yes Caption Text Yes Index No Muting Yes Hi Fi SAP No Repeat Yes Zero Return ...

Page 5: ...et Tracking Yes Set Tracking Yes Menu Yes Enter Yes Cancel Yes Call Yes TV Caption Text Yes Sleep Timer Yes Muting Yes Zero Return Yes CM Skip Yes Audio Select No G 13 Features Auto Head Cleaning Yes Auto Tracking Yes HQ VHS Standard High Quality Yes Auto Power On Auto Play Auto Rewind Auto Eject Yes VIDEO PLUS SHOWVIEW G CODE No Auto Clock Yes Forward Reverse Picture Search Yes One Touch Playback...

Page 6: ...enna Adapter Yes G 15 Interface Switch Power Yes Play Yes Pause Still No System Select No One Touch Playback No Channel Up Yes Channel Down Yes F FWD Cue Yes Eject Stop Yes Main Power SW No Volume Up Yes Volume Down Yes Rew Rev Yes Rec OTR Yes Input Select Yes Indicator Power Red Rec OTR Red T Rec Red On Timer No CS No Key Light up Rec OTR No One Touch Playback No Play No Terminals Front Video Inp...

Page 7: ...aterial Double White Dimensions W x D x H mm 423 x 447 x 443 Design As per Buyer s Description of Origin Yes Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 62 Container Stuffing 40 container 700 Sets G 19 Cabinet Material Cabinet Front PS 94V0 DECABROM Cabinet Rear PS 94V0 DECABROM Jack Panel PS 94V0 DECABROM ...

Page 8: ...ove the 2 screws 1 Disconnect the following connectors CP352 CP353 CP354 CP401 CP502 and CP503 Unlock the support 2 Remove the TV VCR Block in the direction of arrow Remove the Anode Cap Refer to REMOVAL OF ANODE CAP Disconnect the following connectors CP801 and CP851 Remove the CRT PCB in the direction of arrow 1 1 2 UP TO RELEASE TV VCR Block 1 4 DECK CHASSIS AND SYSCON PCB Refer to Fig 1 4 1 2 ...

Page 9: ... R 1 1 1 Locker R 1 Fig 2 5 2 REMOVAL OF DECK PARTS 2 1 TOP BRACKET Refer to Fig 2 1 Remove the 2 screws 1 Slide the 2 supports 2 and remove the Top Bracket 1 2 NOTE When you install the Top Bracket install the screw 1 first then install the screw 2 1 2 Top Bracket Top Bracket Main Chassis Main Chassis 2 1 1 2 Fig 2 1 Screw Torque 5 0 5kgf cm 2 2 FLAP LEVER TAPE GUIDE R Refer to Fig 2 2 Move the C...

Page 10: ...ts 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 3 1 2 2 Tension Adjust Tension Band Ass y Tension Spring Tension Arm Ass y Tension Holder Inclined S Ass y Fig 2 9 A SS Brake Spring SS Arm Brake NOTE When you install the Tension Adjust install as shown in Fig 2 9 B Refer to Fig 2 9 B Fig 2 9...

Page 11: ...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 12: ...ws 1 Remove the 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 Pinch Roller Cam and Joint Gear 1 2 Capstan DD Unit Capstan Belt 1 1 1 Fig 2 18 1 Clutch Ass y Ring Spring Coupling Gear Clutch Lever 2 2 2 15 AHC ASS Y CYLINDER UNIT ASS Y ...

Page 13: ...S T ASS Y Refer to Fig 2 20 Remove the Cap P4 Remove the screw 1 Unlock the support 2 and remove the Loading Gear Holder Remove the Inclined S Unit Remove the Inclined T Unit 1 2 3 4 5 1 2 Main Rod Main Loading Gear Tension Lever Loading Gear T Loading Gear Spring Loading Arm T Ass y Loading Gear Spring LED Reflecter Idler Arm Ass y Clutch Actuator Screw Torque 5 0 5kgf cm Fig 2 19 A NOTES Loading...

Page 14: ... 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 Take care not to damage the Rubber Cap INSTALLATION 1 Clean the spot where the cap was ...

Page 15: ...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 16: ...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 17: ... the center position 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 Initiali...

Page 18: ...h the tape Clean the rubber and 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 ...

Page 19: ...pyl 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 force against the cylinder head Do not move the chamois upward or downward on the head Use the chamois one by one Cylinder Head Clean the Audio ...

Page 20: ...6D 74 79 7C 7E 7F 50 54 5D 5E 5F 60 61 62 60 3 4 5 6 7 8 The unit will now have the correct DATA for the new MEMORY IC Table 1 1 2 Fig 1 ADDRESS is now selected and should blink Using the SET or keys 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 SET or until req...

Page 21: ...orque S Reel JG154 APJG154000 Cable Used to connect the test point of SERVICE and GROUND APJG022000 JG022 Master Plane Reel Disk Height Adjustment JG024A APJG024A00 Reel Disk Height Adjustment Jig Reel Disk Height Adjustment JG153 APJG153000 X Value Adjustment Screwdriver X Value Adjustment Tentelometer PREPARATION FOR SERVICING How to use the Servicing Fixture 1 2 3 4 Unplug the connector CP353 a...

Page 22: ...0gf cm during playback in SP mode Tentelometer Video Tape Guide Roller P1 Post Fig 1 3 1 2 CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION 1 2 3 Set to the PLAY mode Adjust the Tension Adjust until the edge of the Tension Arm is positioning within 0 5mm range from the standard line center of Main Chassis After this adjustment confirm that the cut position is located in A area as shown in Fig ...

Page 23: ...apter JG002E JG002B Fig 1 4 B NOTE If the torque is out of the range replace the following parts Check item 1 4 1 5 Replacement Part Idler Ass y Clutch Ass y S Reel side T Reel side S Reel Tension Band Ass y Tension Arm Ass y T Reel T Brake Spring T Brake Ass y 2 CONFIRMATION AND ADJUSTMENT OF TAPE RUNNING MECHANISM Tape Running Mechanism is adjusted precisely at the factory Adjustment is not nece...

Page 24: ...scilloscope to TP4001 CH 2 to TP1002 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 Envelope wavef...

Page 25: ...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 26: ...MENTS 2 2 VCO FREERUN 1 2 3 4 5 6 7 8 9 Place the set with Aging Test for more than 10 minutes Receive the VHF HIGH Disconnect the Antenna while receiving the VHF HIGH and set to the Noise screen Once turn off the Power and turn on the Power again Approxi 3 seconds later input the Antenna again Connect the digital voltmeter between the pin 5 of CP351 and the pin 1 GND of CP351 Activate the adjustm...

Page 27: ... BIAS Using the VOL UP DOWN button on the remote control adjust the R DRIVE B DRIVE G BIAS or B BIAS Perform the above adjustments 6 and 7 until the white color is looked like a white 2 7 FOCUS 1 2 3 4 Receive the monoscope pattern Using the remote control set the brightness and contrast to normal position Turn the Focus Volume fully counterclockwise once Adjust the Focus Volume until picture is d...

Page 28: ... remote control until the difference of A and B becomes minimum Refer to Fig 2 4 B A TV 00 OSD 15 Fig 2 4 Fig 2 2 2 14 SUB COLOR 1 2 3 4 5 6 7 8 Receive the color bar pattern RF Input Connect the oscilloscope to TP803 Using the remote control set the brightness contrast color and tint to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 15 on the remote c...

Page 29: ...ELECTRICAL ADJUSTMENTS 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE SYSCON TU601 FOCUS VOLUME SCREEN VOLUME FB401 CP351 VR502 TP1001 CP1003 TP4001 TP1002 J801 CRT TP801 TP803 R520 ...

Page 30: ...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 31: ...FT VIDEO MUTE DEFEAT AFT OUT CLAMP VIDEO TONE DELAY 55 5 7Vreg 41 RESET 42 33 39 46 13 POWER ON CONTROL RGB MATRIX CONTRAST HPF ACC KILLER DET ACC DET CHROMA APC DET DEMODULATOR VCXO VCO ADJ 32 HV BLK VERTICAL COUNT DOWN V RAMP 29 17 HORIZONTAL COUNT DOWN H VCO AFC 2 AFC 1 7 6 R G B CUT OFF BUS I F TU601 11 5 4 1 SAW FILTER CF601 1 5 4 SD_VIDEO Y C_AUDIO TU_AUDIO TU_VIDEO SDA SCL Y C AUDIO HEAD AM...

Page 32: ...C ROT RF SW IN AUDIO MUTE HA SW ENV DET Q4006 BIAS OSC Q4003 SW Q4001 Q4002 AUDIO PB SW Q4012 BUFFER COIL BIAS OSC R HA GND P P R P L H L C LPF REC AMP AUTO BIAS EQ AMP PB EE MUTE LINE AMP LPF ALC 1 2 3 R P 1 2 3 28 QV QH 60B SYNC SEP VIDEO AGC VX01 PLL REC APC REC APC R P Main CONV 3 58M BPF2 B UP AMP AGC ACC DET 3 58M BPF1 NYR COMB OUT CCD CLAMP AUTO BIAS VCA V REC_ST H TU_AUDIO NC SD_VIDEO MICO...

Page 33: ...MP TV CAPSTAN DD UNIT TV_POWER_H FF REW L 97 73 CTL AMP OUT Q1004 FF REW_SW 18 VIDEO H SW H SW J701 AUDIO L VIDEO 4 2 1 3 FRONT_VIDEO FRONT_AUDIO VCR_POWER_H TV Q4201 TV POWER SW TO 82 TV_A_MUTE TV_A_MUTE 23 2 1 SENS LED MSSEN B MSSEN A 1 4 3 2 1 4 3 2 Q1002 SENSOR SW MS_SEN A Q1009 MS_SEN B Q1003 AT 5 6V P CON 5V D1003 P CON 5V EOT SENSOR Q1013 EOT P CON 5V 3 21 20 BOT 4 P CON 5V LDM LDM BOT 3 4 ...

Page 34: ... VOLTAGE AT EACH PART WAS CAUTION DIGITAL TRANSISTOR AUDIO SIGNAL REC AUDIO SIGNAL PB T4001 1626009 COIL BIAS OSC 1 2 3 4 5 6 IC4001 LA71201M 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 H...

Page 35: ...H_GND REEL_T Y C_CLK OSD_BLK SD_SYNC CAP_CTL Y C_DATA CYL_DRIVE V REC_ST_H CYL_DRIVE P CON 5V SD_VIDEO PGIN Y C_CLK Y C_DATA PGIN Y C_CS X_RAY H SW ENV_DET CYL_PG VCR_A_MUTE VCR_A_MUTE TAB_SW CTL CYL_FG TV_A_MUTE CTL DUMMY_V SYNC V REC_ST_H H AMP_SW1 IIC_OFF LDM_R SD_SYNC CAP_FG LDM_F CYL_FG HD CYL_PG X RAY_TEST VD AFT_M EOT BOT SCL SDA CTL OSD_R M COM W OUT V OUT U OUT OSD_G CTL OSD_B OSD_BLK RES...

Page 36: ...IC DIAGRAM IS THE LATEST AT THE TIME R1069 820 R1068 1K R1065 2 7K R1062 5 6K R1067 1 5K R1058 1 5K R1059 1K R1060 820 R1057 33K R4201 75 C1053 220 6 3V YK W913 TO W918 W822 W900 TO W806 W866 W870 W916 T0 W942 CP351_1 173979 6 1 2 3 4 5 6 CP1003 173979 4 1 2 3 4 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS AUDIO SIGNAL REC AUDIO SIGNAL PB SOUND_GND SOUND SP...

Page 37: ...R647 2 2K R646 27K R642 5 6K R643 47K R650 470 1 4W C644 22 50V YK C652 47 16V YK C624 47 16V KA C627 1 50V KA C645 1 50V KA C643 22 50V YK C612 470 6 3V YK C678 100 35V YK C610 4 7 50V KA C632 2 2 50V KA C641 1000 10V YK C648 0 22 50V KA C655 47 16V KA C659 100 6 3V KA C649 1 50V KA Q604 2SD400E REG Q603 KTC3203_Y REG Q606 KTC3203_Y REG Q605 2SD400E REG Q602 KTC3203_Y REG W850 W827 W871 W874 W801...

Page 38: ...2 3 4 5 6 7 8 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C354 2200 16V YK C351 2 2 50V KA C301 0 022 B R353 68K R352 4 7K R359 47K R357 5 6K C356 10 50V YK C355 10 16V KA W814 CP352 B2B EH A 1 2 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS AUDIO SIGNAL REC SP_OUT SOUND SOUND_GND TV_A_MUTE TV_POWER_...

Page 39: ...ANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C524 1000 16V MHE C521_1 100 160V YXF C507 470 200V UP C522 1 160V YK C511_1 470 25V MHE C523 470 35V YK C502_1 0 001 500V B C503_1 0 001 500V B C516 470P 500V B C505 470P 500V B C518 470P 500V B C514 0 0027 2KV YR C512 0 001 B C535 680P 2KV YR C554 0 001 B C509 0 01 F C530 0 0047 125V MX C515 0 0022 B C506 0 22 275V PHE840 ...

Page 40: ...C417 0 001 500V B C423 0 39 250V PMS C425 680P 2KV YR C438 0 001 500V B R439 22K 1 R456 4 7K 1 2W R421 680 1 2W R423 10K 1 4W R454 33K 1 4W R453 220K 1 4W R490 68K 1 4W R444 39K 1 R420 8 2K 1 R460 100 1 4W R402 47K R410 3 3K 1 4W R416 82K R419 330 1 2W R415 2 2 1 2W R414 12K R413 1 8K R401 470 R411 33K 1 R442 18K 1 R440 51K R424 2 2K 1 2W R441 56K C407 1000 25V YK C406 100 35V MHE C431 10 250V YK ...

Page 41: ...IS NORMAL NOTE R802 12K 1W R805 12K 1W R810 12K 1W R SIGNAL B SIGNAL G SIGNAL D802 1SS133 D801 1SS133 D803 1SS133 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C801 0 0022 2KV B C809 680P B C805 100P CH C810 390P B C811 390P B R807 2 7K 1 4W R815 4 7K R811 390 R814 4 7K R808 2 7K 1 4W R820 2 7K 1 4W R812 390 R813 390 R816 4 7K Q805_1 2SC4217...

Page 42: ...UTION 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 CD352 CH25093A 1 2 3 4 5 TUNER VIDEO SIGNAL CD351_1 CH27091A 1 2 3 4 5 6 7 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C701 0 001 B R350 22 1 2W R761 270 1 4W R754 270 1 4W R793 270 1 4W ...

Page 43: ...ESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION Q101 RPT 38PB113 BOT SENSOR 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 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS DECK PCB DECK SCHEMATIC DIAGRAM FROM TO MICON VE8851 PCB550 M...

Page 44: ... GND GND POWER_ON_L T REC_LED REC_LED AT 5V B B B A OS1001 TO OS1001 CUT_OFF H_GND CP851B CP851A S102A S101A UN4001 CYLINDER UNIT ASS Y CP4001_1 SP_COM SP CH1 R SP CH2 L NC HEAD 4 3 2 1 CH1 CH2 FRONT_VIDEO_IN FRONT_A _IN_L SOUND_GND SOUND_OUT_L SP_OUT_L GND GND POWER_ON_L T REC_LED REC_LED AT 5V TE9A16 PCB030 OPERATION PCB NC NC NC NC NC MOTOR_GND VE8851 PCB550 DECK PCB M101 LOADING MOTOR LM 2 1 H...

Page 45: ...DIO HEAD AMP POWER 10 PB 1 0V 5ms div 15 5 0V 20ms 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 12 PB 1 0V 0 5ms div MICON 5 REC 10 0V 5us div 3 PB 10mV 20us div 4 PB 0 5V 1ms div 16 500mV 5µs div ...

Page 46: ... waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE WAVEFORMS CRT 22 50 0V 20µs div 21 50 0V 20µs div 20 200mV 20µs div 19 2 0V 20µs div 18 10 0V 5ms div DEFLECTION 17 0 5V 5ms div ...

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