Memorex MVT2135B D Series Service Manual Download Page 1

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SERVICE MANUAL

Design and specifications are subject to change without notice.

MVT2135B SERIES D

COLOR TELEVISION/VIDEO CASSETTE RECORDER

ORIGINAL

MFR’S VERSION A

Summary of Contents for MVT2135B D Series

Page 1: ...SERVICE MANUAL Design and specifications are subject to change without notice MVT2135B SERIES D COLOR TELEVISION VIDEO CASSETTE RECORDER ORIGINAL MFR S VERSION A ...

Page 2: ...hether 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 terminals ...

Page 3: ...MS TV Y C AUDIO CCD HEAD AMP IN OUT MICON OPERATION PRINTED CIRCUIT BOARDS OPERATION SYSCON CRT SCHEMATIC DIAGRAMS Y C AUDIO CCD HEAD AMP MICON IN OUT CHROMA IF SOUND AMP POWER DEFLECTION CRT OPERATION INTERCONNECTION DIAGRAM WAVEFORMS MECHANICAL EXPLODED VIEWS CHASSIS EXPLODED VIEWS MECHANICAL REPLACEMENT PARTS LIST CHASSIS REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A1 1 A1 1 A2 1 A...

Page 4: ...stem 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 75 MHz Frequency Sound FS 41 25 MHz FP FS 4 5 MHz Preset CH No Stereo Dual TV Sound No Tuner Sound Muting Yes G 4 Signal Video Signal Input Level 1 V p p 75 ohm Output Level S N Ratio Weighted 50dB Horizontal Resolution at SP Mode 220Lines Audio Signal Input Level 8dBm 50Kohm Output ...

Page 5: ...o 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 No Repeat Yes Zero Return No DEW No G 10 OSD Language English French Spanish OSD Language Setting English G 11 Clock Timer Calendar 1990 1 1 ...

Page 6: ...d Auto Eject Yes VIDEO PLUS SHOWVIEW G CODE No Auto Clock Yes Forward Reverse Picture Search Yes Reverse Slow No One Touch Playback No Auto CH Memory Yes Closed Caption Yes TV Auto Shut off Function Yes End Call No Index Search No SQPB No CATV Yes CM Skip 30sec x 6 Times Yes Comb Filter No TV Monitor Yes Program Extend No Choke Coil No Energy Star Yes Protect of FBT Leak Curcuit No Dirty Head No V...

Page 7: ...TR No One Touch Playback No Play No Terminals Front Video Input RCA x 1 Audio Input RCA x 1 Other Terminal Head Phone Stereo Mono 3 5mm Rear Video Input No Audio Input No Video Output No Audio Output No Euro Scart No Diversity No Ext Speaker W Im No DC Jack 12V Center No VHF UHF Antenna Input F Type AC Inlet No G 16 Set Size Approx W x D x H mm 362 x 370 5 x 382 G 17 Weight Net Approx 11 0 24 3 lb...

Page 8: ...he 2 screws 1 Disconnect the following connectors CP757 CP353 CP401 and CP502 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 3 4 5 6 7 8 Remov...

Page 9: ...emove the Locker R 1 2 3 Link Ass y NOTE 1 2 In case of the Locker R installation check if the two positions of Fig 2 3 B are correctly locked When you install the Cassette Side R be sure to move the Locker R after installing 2 4 LINK UNIT Refer to Fig 2 4 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 1 2 3 Fig 2 4 2 5 ...

Page 10: ...1 2 3 Fig 2 6 A Screw Torque 3 0 5kgf cm Loading Motor 1 Main Chassis Worm NOTE 1 In case of the Worm installation check if the value of the Fig 2 6 B is correct Fig 2 6 B 19 2 0 1mm Safety surface for pressing of the insert Fig 2 7 D Tension Band NOTE 1 2 3 In case of the Tension Band installation note the direction of the installation Refer to Fig 2 7 C In case of the Tension Band installation i...

Page 11: ...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 MG 33 If you do not grease noise may be heard in FF REW mode After installing the reel adjust the height of the reel Refer to MECHANICAL ADJUSTMENT 1 2 3 4 5 6 Fig 2 9 A S Reel 1 A T Reel A 1 Idler Arm Ass y Idler Gear NOTE 1 2 In case of the...

Page 12: ... 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 1 2 3 2 10 CASSETTE OPENER PINCH ROLLER BLOCK P5 ARM ASS Y Refer to Fig 2 10 A Unlock the support 1 and remove the Cassette Opener Remove the Pinch Roller Block and P5 Arm Ass y 1 2 Fig 2 10 A 1 Cassette Opener ...

Page 13: ...emove the Main Rod Tension Lever Loading Arm S Ass y and Loading Arm T Ass y 1 Main Rod Main Loading Gear Tension Lever Loading Arm T Ass y Loading Arm S Ass y Fig 2 16 A 2 13 AHC ASS Y CYLINDER UNIT ASS Y Refer to Fig 2 13 Unlock the support 1 and remove the AHC Ass y Disconnect the following connector CD2001 Remove the 3 screws 2 Remove the Cylinder Unit Ass y 1 2 3 4 When you install the Cylind...

Page 14: ...Fig 2 18 B Fig 2 18 C Cassette Guide Post Cassette Guide Post 2 17 Remove the Polyslider Washer 1 Remove the Clutch Ass y and Ring Spring Remove the Clutch Lever Remove the Coupling Gear Coupling Spring and Clutch Gear 1 2 3 4 Fig 2 17 A NOTE 1 When you install the Loading Arm S Ass y Loading Arm T Ass y and Main Loading Gear align each marker Refer to Fig 2 16 B Fig 2 16 B Loading Arm T Ass y Mai...

Page 15: ...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 Take care not to damage the Rubber Cap INSTALLATION 1 Clean the spot where the cap was loc...

Page 16: ...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 17: ...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 18: ...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 19: ...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 20: ...ng to 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 HOURS USED Can be checked of the INITIAL DATA of MEMORY IC Refer to the WHEN REPLACING EEPROM MEMORY IC VOL MIN 6 VOL MIN 1 Initiali...

Page 21: ...with the tape Clean the rubber and parts which the rubber touches Replace when rolling becomes abnormal Clean the Head 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 The confirmation of using hours will not be possible if clock has been set To reset clock either unplug AC cord and allow a...

Page 22: ...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 force against the cylinder head Do not mo...

Page 23: ...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 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 u...

Page 24: ...ds model VHS Alignment Tape For 4 heads model VHS Alignment Tape For 4 heads model VHS Alignment Tape For 4 heads model Adapter Dial Torque Gauge 10 90gf cm Dial Torque Gauge 60 600gf cm Post Adjustment Screwdriver X Value Adjustment Screwdriver Master Plane Reel Disk Height Adjustment Jig Torque Tape VHT 063 Cable Monoscope 6KHz Color Bar 1KHz Hi Fi Audio X Value Adjustment Monoscope 6KHz Color B...

Page 25: ... 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 JG100A 1 2 3 After confirmation and adjustment of Tension Post position Refer to item 1 2 load the cassette type torque tape JG100A and set to the PLAY mode Confirm that the right meter of the torque tape indicates 50...

Page 26: ... 3 2 as shown in Fig 2 1 B even 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 After adjustment confirm and adjust A C head Refer to item 2 2 CH 2 SW Pulse TP1002 CH 1 Track CH 2 Track CH 1 Envelope TP4001 Fig 2 1 A Entr...

Page 27: ... to TP4001 CH 2 to TP1002 and CH 3 to HOT side of Audio Out Jack Playback the VHS Alignment Tape JG001S or JG001T Refer to SERVICING FIXTURE AND TOOLS 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 th...

Page 28: ...JUSTMENT 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 parts for the Tension Arm position ...

Page 29: ...ad Switching Pulse becomes 6 5 0 5H Refer to Fig 2 1 A B Press the Tracking Auto button 6 5H 6 5H Fig 2 1 B CH 2 CH 1 CH 1 CH 2 Fig 2 1 A 2 BASIC ADJUSTMENTS 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 ...

Page 30: ...UP DOWN button on the remote control adjust the R DRIVE B DRIVE G CUT OFF or B CUT OFF Perform the above adjustments 6 and 7 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 distinct 2 9 VE...

Page 31: ...he 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 control to select COLOR Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 100 and 0 is set to 4 scales on the screen of the oscilloscope Press the VOL UP DOWN button on the remote control u...

Page 32: ...D2 4 ELECTRICAL ADJUSTMENTS 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE SYSCON PCB TU601 FOCUS VOLUME SCREEN VOLUME FB401 CP351 VR502 TP1001 CP1003 TP4001 TP1002 J801 CRT PCB TP801 TP803 TP601 ...

Page 33: ...performing 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 th...

Page 34: ...HEAD AMP IN OUT MICON OPERATION DECK AT 5V_BACK UP X602 3 579545MHz 53 Q602 Q603 REG Q606 Q604 Q605 F501 14 13 UNREG 8V 1 2 TH501 F502 POWER_FAIL 50 1 E180V 27 TV_POWER H E 1 E 2 HEAD SP SP CD352 J351 FB401 L503 DEGAUSS COIL NC REG REG 52 12 AT 12V AT 5V AT 12V 2 1 MICON OPERATION DECK PUMP UP 21 TV_POWER H Q609 POWER ON Q611 POWER_FAIL SW Q403 Q404 X RAY_TEST SW X RAY 3 Q601 BUFFER B ADJ POWER FA...

Page 35: ... DET DUMMY_V SYNC SD_VIDEO SD_SYNC TU_VIDEO FRONT_AUDIO Y C_AUDIO 6 2 3 1 5 Q4005 BIAS CTL 11 4 P CON 5V 1 C ROT RF SW IN AUDIO MUTE HA SW ENV DET Q4006 BIAS OSC Q4003 SW Q4001 Q4002 AUDIO PB SW Q4012 BUFFER COIL BIAS OSC R 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 VSS R P Main CONV 3 58M...

Page 36: ...M F R LDM_CTL 4 CAP_CTL CP1004 1 3 4 2 REEL SENS Q1005 POWER FAIL2 MICON OPERATION DECK BLOCK DIAGRAM X_RAY SDA SCL OSD_R CTL SD_VIDEO CTL V REC_ST_H VD OSD_G AFT_M OSD_B OSD_BLK HD Y C AUDIO CCD HEAD AMP IN OUT TV CAPSTAN DD UNIT TV_POWER_H FF REW L 97 73 CTL AMP OUT Q1004 FF REW_SW J701 AUDIO L VIDEO 4 2 1 3 FRONT_VIDEO FRONT_AUDIO VCR_POWER_H TV Q4204 TV POWER SW 82 TV_A_MUTE TV_A_MUTE 2 1 MSSE...

Page 37: ...W796 SW797 SW751 C382 R351 R350_1 W811 C755_1 R766 R754_2 R793_2 R772_1 W001 R775_1 R776_1 R777_1 J701_1 R773_1 R774_1 R771_1 W002 W003 W004 W005 W006 W007 W008 R778_1 W814 W009 W815 CD352 CD757 CD351_1 W812 W805 PRINTED CIRCUIT BOARDS OPERATION SOLDER SIDE F 1 F 2 ...

Page 38: ...253 W239 Q602 C1016 C1015 W240 W232 L1001 Q1005 R1016 C1020 W268 W249 X1001 X1002 IC1099 SW1001 W237 W238 W250 W254 W150 CP757_2 W912 W213 Q1013 W257 W173 R4028 W087 Q4006 W112 W111 W108 W107 CP4001_1 W122 W096 W046 W097 C4025_1 C351 C356 C355 W104 W103 W105 W024 W101 W116 R612 W120 W109 TP4001 R4007 R4006 W027 W080 C4034 C4030 Q4002 C4035 T4001 L4003 Q4005 C4010 C4031 C4067 C4058 C4048 C4051 W098...

Page 39: ...4 R1036 C1027 Q1004 C1022 C1025 R1012 C1019 R1013 R1009 C1013 C1071 R1034 R1033 C1038 C1035 C1034 C1031 R1031 R1032 C1046 C1047 C1040 C1048 R1040 C1049 C1050 R1070 R1083 R1087 I C 1 0 0 1 R1052 Q1007 Q1008 C4206_1 R4015 R4068 W025 W818 R4064 R4062 R4033 R4060 R4054 C4074 R4055 R4057 Q4011 C4075 R4058 R4056 R4052 R4053 R4020 R359 R4017 R4037 C4014_1 R4025 C4038 R4011 C4005 R4010 Q4003 R4023 R4024 R...

Page 40: ...AUDIO SIGNAL REC AUDIO SIGNAL PB RECORD LUMINANCE SIGNAL T4001 1626009 COIL BIAS OSC 1 2 3 4 5 6 IC4001 LA71201M N MPB Y C A CCD H 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 SW Y C_CS ENV_DET Y C_CLK H A...

Page 41: ...L TESTER NOTE THE DC VOLTAGE AT EACH PART WAS POWER_FAIL2 P CON 5V GND SDA SCL OSD_R OSD_G OSD_B REEL_T REEL_S Y C_CS CAP_CTL Y C_CLK CENTLED OSD_BLK SD_SYNC Y C_DATA CYL_DRIVE V REC_ST_H MOTOR 12V GND Y C_CLK Y C_DATA Y C_CS H SW SD_VIDEO X_RAY ENV_DET VCR_A_MUTE CTL CTL CAP_FG DUMMY_V SYNC V REC_ST_H VCR_A_MUTE TAB_SW H AMP_SW1 CAP_M F R SD_SYNC TV_A_MUTE PLAY_LED CAP_CTL IIC_OFF LDM_CTL CAP_FG ...

Page 42: ...LAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS AUDIO SIGNAL REC AUDIO SIGNAL PB SOUND_GND SOUND SP_OUT AT 5V INT MONI B OUT IIC_OFF SDA SCL T REC_LED REC_LED GND KEY_B KEY_A REMOCON_IN Y C_AUDIO Y C_VIDEO FRONT_AUDIO FRONT_VIDEO FROM POWER FROM TO Y C AUDIO HEAD AMP VMA227 PCB010 G 6 G 5 FROM CHROMA IF FROM TO SOUND AMP FROM TO MICON TEST POINT TEST POINT Y C_VIDEO Y...

Page 43: ...7 220 1 2W R668 470 1 4W R612 680 1 4W R616 1K R627 12K R639 12K R663 100 R628 100 R650 470 1 4W R608 10K R631 6 8K R656 1K R624 2K R602 100 R603 100 R613 12K R641 22K R649 2 2K C655 47 16V KA C648 0 22 50V KA C652 47 16V YK C649 1 50V KA C641 1000 10V YK C644 22 50V YK C627 1 50V KA C624 47 16V YK C643 22 50V YK C610 4 7 50V KA C612 470 6 3V YK C632 2 2 50V KA C659 100 6 3V KA Q604 2SD400E REG Q6...

Page 44: ...OADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE IC351 AN7511 SOUND AMP IC 1 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 C357 0 001 CH C301 0 0068 B R353 68K R359 47K R357 5 6K R352 4 7K C355 10 16V KA C356 10 50V YK W814 W808 AUDIO SIGNAL REC SP_OUT SOUND SOUND_GND TV_A_MUTE ...

Page 45: ...11C EIC D530 RM11C EIC D519 SB290S D514 1SS133 D512 SB290S D507 SB290S D536 10ELS6N D510_1 RU2AM EIC D505 SB290S D508 1SS133 D533 1SS133 D513 1SS133 D517 10ELS2N D518 RM11C EIC D521 RM11C EIC D537 1SS133 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C524 1000 16V MHE C511 470 25V YK C523 470 35V YK C521 220 200V YXF C541_1 820P 2KV R C517 0 ...

Page 46: ...1 EIC D405 11E1 EIC OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C402 1000 35V YK C418 22 50V YK C451 0 22 100V TF C424 0 0091 1 25KV MPP C438 0 001 500V B C423 0 47 250V PMS C417 0 0022 500V B C416 22P CH R490 68K 1 4W R404 1K 1 4W R420 8 2K 1 R414 12K R460 100 1 4W R439 22K 1 R423 10K 1 4W R440 51K 1 4W R441 56K R419 330 1 2W R416 82K R41...

Page 47: ...PICTURE IS NORMAL NOTE B SIGNAL CP851B B2013H02 10P 1 10 2 3 4 5 6 7 8 9 S801 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C811 470P B C810 470P B C801 0 0022 2KV B C809 470P B C805 100P CH R807 2 7K 1 4W R816 4 7K R813 390 R812 390 R815 4 7K R811 390 R814 4 7K R808 2 7K 1 4W R820 2 7K 1 4W Q806_1 2SC4217 RED AMP Q804_1 2SC4217 BLUE AMP Q80...

Page 48: ...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 CD351_1 CH27090A 1 2 3 4 5 6 7 CD757 CH2A019A 1 10 2 3 4 5 6 7 8 9 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C382 100 16V KA C755_1 220 6 3V KA R793_2 270 1 4W R754...

Page 49: ...D801 FOCUS SCREEN NC 180V GND R OUT NC NC HEATER G OUT B OUT 180V GND R OUT NC NC HEATER G OUT B OUT CRT PCB PCB110 F CRT SOCKET J801 5 4 3 6 7 8 9 1 GND GND V801 H V CRT ANODE NC NC NC NC NC TU601 PACK TUNER IF 30V 5V SDA SCL AGC U IN 11 10 1 3 5 6 7 8 9 2 4 B OS753 V OUT GND VIDEO FRONT AV JACK J701_1 AUDIO L GND GND AT 5V GND CD757 SP OUT SOUND GND PCB030 OPERATION PCB CD351 TM101 AUDIO PB AUDI...

Page 50: ...O CCD HEAD AMP 10 PB 1 0V 5ms div 13 PB 1 0V 5ms div 11 PB 0 5V 0 5ms div 8 POWER ON 1 0V 10µs div 9 PB 1 0V 10ms div 6 POWER ON 1 0V 20µs div 2 POWER ON 100mV 0 1µs div 1 PB 0 5V 20µs div 7 POWER ON 0 5V 10ms div 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 18 10 0V 5ms div DEFLECTION 17 0 5V 5ms div ...

Page 51: ...µs div The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE H 2 WAVEFORMS CRT 22 50 0V 20µs div 21 50 0V 20µs div 20 200mV 20µs div 19 2 0V 20µs div ...

Page 52: ...MECHANICAL EXPLODED VIEW I 1 205 205 205 205 L503 V801 111 J801 PCB110 CRT PCB 120 PCB030 OPERATION PCB 115 118 113 117 207 206 108 121 101 B 206 SP351 116 122 206 110 207 ...

Page 53: ...MECHANICAL EXPLODED VIEW I 2 114 202 202 202 202 106 202 103 204 203 207 119 209 204 204 107 109 104 104 112 112 211 210 211 210 FB401 PCB800 SYSCON PCB 105 201 201 208 102 209 ...

Page 54: ...002 323 508 341 331 334 333 314 302 301 313 307 300 317 309 336 346 345 321 319 320 AB 316 318 325 347 AA AB AB AB AA AA AA AA AA AB AB AB AB AB AB AB AB Applying positions AA and AB for the grease are displayed for this section Check if the correct grease is applied for each position NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB ...

Page 55: ... 505 510 338 510 337 340 509 308 344 327 343 326 328 AA AA AB AB AB AA AA AA AA AA AA AA AA AA Applying positions AA and AB for the grease are displayed for this section Check if the correct grease is applied for each position NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB ...

Page 56: ...ED 119 752WSAA040 PLATE DECK SHIELD 120 723000A824 FILM DECORATION 121 735WPJA514 BUTTON FRAME 122 743WKA0032 SPRING FLAP COMBO 201 8117540B04 SCREW TAPPING B0 TRUSS 4x20 202 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 8107630604 SCREW TAP TITE S BRAZIER 3x6 204 8110630A24 SCREW TAP TITE P BRAZIER 3x12 205 8121J50B54 SCREW TAPPING B0 GW20 5x28 206 8110630A04 SCREW TAP TITE P BRAZIER 3x10 207 811063...

Page 57: ...226 P5 ARM ASS Y H5002 1543D02013 HEAD FULL ERASE HVFHP0032A 314 85OA400233 TENSION ARM ASS Y WT M101 1596P98001 MOTOR LOADING MXN13FB12K3 315 85OA400231 INCLINED BASE S UNIT M2001 1510S98036 CAPSTAN DD UNIT F2QVB08 316 85OP800358 SPRING LOCKER M2003 1589S11014 MICRO MOTOR I2OAL03 317 85OP900736 CASS HOLDER UN4001 A5A305A500 CYLINDER UNIT ASS Y A5A305A500 318 85OP900748 CASS SIDE L 319 85OP900749 ...

Page 58: ...XG5NC500 FET STP5NC50FP C541 C03L0R7W2K CC 820 PF 2KV R Q511 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT C801 C0PWB07H3K CC 0 0022UF 2KV B Q601 T6YJ1037K0 TRANSISTOR SILICON 2SA1037AKT146R S DIODES Q602 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT D401 D2WT011E10 DIODE SILICON 11E1 EIC Q603 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT D402 D2WXN49370 DIODE SILICON 1N4937 Q604 TDWT00400E TRANSISTOR SILI...

Page 59: ... CMPL METAL PLASTIC CAPACITOR SW797 0504101T34 SWITCH TACT EVQ21505R CMPP METAL POLYPROPYLENE CAPACITOR SW798 0504101T34 SWITCH TACT EVQ21505R SW799 0504101T34 SWITCH TACT EVQ21505R SW1001 0508A11002 SWITCH LEAF MXS01380MPP0 VARIABLE RESISTORS VR401 V1263H3BT7 VOLUME SEMI FIXED RH0683CJ3R VR502 V1163L2BTC VOLUME SEMI FIXED EVNCYAA03BY2 P C BOARD ASSEMBLIES PCB010 A5A304C010 PCB ASS Y VMA227A PCB03...

Page 60: ...M5A3 04C K1X5006 SPEC NO O R NO ...

Page 61: ...SERVICE MANUAL Design and specifications are subject to change without notice MVT2135B Series E COLOR TELEVISION VIDEO CASSETTE RECORDER ORIGINAL MFR S VERSION C ...

Page 62: ...ether 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 terminals a...

Page 63: ... TV Y C AUDIO CCD HEAD AMP MICON OPERATION IN OUT PRINTED CIRCUIT BOARDS OPERATION SYSCON CRT SCHEMATIC DIAGRAMS Y C AUDIO CCD HEAD AMP MICON IN OUT CHROMA IF SOUND AMP POWER DEFLECTION CRT OPERATION INTERCONNECTION DIAGRAM WAVEFORMS MECHANICAL EXPLODED VIEWS CHASSIS EXPLODED VIEWS MECHANICAL REPLACEMENT PARTS LIST CHASSIS REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A1 1 A1 1 A2 1 A3 ...

Page 64: ...nput 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 75 MHz Frequency Sound FS 41 25 MHz FP FS 4 5 MHz Preset CH No Stereo Dual TV Sound No Tuner Sound Muting Yes G 4 Signal Video Signal Input Level 1 V p p 75 ohm Output Level S N Ratio Weighted 50dB Horizontal Resolution at SP Mode 220Lines Audio Signal Input Level 8dBm 50Kohm Output Level S N Rati...

Page 65: ...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 No Repeat Yes Zero Return No DEW No G 10 OSD Language English French Spanish OSD Language Setting English G 11 Clock Timer Calendar 1990 1 1 2081 12 31 and Ti...

Page 66: ...es VIDEO PLUS SHOWVIEW G CODE No Auto Clock Yes Forward Reverse Picture Search Yes Reverse Slow No One Touch Playback No Auto CH Memory Yes Closed Caption Yes TV Auto Shut off Function Yes End Call No Index Search No SQPB No CATV Yes CM Skip 30sec x 6 Times Yes Comb Filter No TV Monitor Yes Program Extend No Choke Coil No Energy Star Yes Protect of FBT Leak Curcuit No Dirty Head No V chip USA V ch...

Page 67: ...Touch Playback No Play No Terminals Front Video Input RCA x 1 Audio Input RCA x 1 Other Terminal Head Phone Stereo Mono 3 5mm Rear Video Input No Audio Input No Video Output No Audio Output No Euro Scart No Diversity No Ext Speaker W No DC Jack 12V Center No VHF UHF Antenna Input F Type AC Inlet No G 16 Set Size Approx W x D x H mm 362 x 370 5 x 382 G 17 Weight Net Approx 11 0 24 3 lbs Gross Appro...

Page 68: ...Block in the direction of arrow Remove the Anode Cap Refer to REMOVAL OF ANODE CAP Disconnect the following connectors CP801 and CP851B 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 B1 1 Front Cabinet Fig 1 1 Front Cabinet Back Cabinet 1 1 1 3 1 1 1 2 3 4 5 6 7 8 9 10 11 Remove the screw 1 Remove the screw 2 Remove th...

Page 69: ...cker R 1 2 3 Link Ass y NOTE 1 2 In case of the Locker R installation check if the two positions of Fig 2 3 B are correctly locked When you install the Cassette Side R be sure to move the Locker R after installing 2 4 LINK UNIT Refer to Fig 2 4 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 1 2 3 Fig 2 4 2 5 LINK LEVER F...

Page 70: ...Worm NOTE 1 2 In case of the Worm installation check if the value of the Fig 2 6 B is correct In case of the Loading Motor installation hook the wire on the Cassette Opener as shown Fig 2 6 C Fig 2 6 B 19 2 0 1mm Safety surface for pressing of the insert Fig 2 7 D Tension Band NOTE 1 2 3 In case of the Tension Band installation note the direction of the installation Refer to Fig 2 7 C In case of t...

Page 71: ...loves Refer to Fig 2 9 A Do not adhere the stains on it When you install the reel clean the shaft and grease it FG 84M If you do not grease noise may be heard in FF REW mode After installing the reel adjust the height of the reel Refer to MECHANICAL ADJUSTMENT 1 2 3 4 5 6 Fig 2 9 A S Reel 1 A T Reel A 1 Idler Arm Ass y Idler Gear NOTE 1 2 In case of the S Reel and T Reel installation check if the ...

Page 72: ...tte Opener Remove the Pinch Roller Block and P5 Arm Ass y 1 2 NOTE Do not touch the Pinch Roller Use gloves In case of the Pinch Roller Block and the Pinch Roller Cam installation install correctly as Fig 2 10 B 1 2 Fig 2 10 A 1 Cassette Opener P5 Arm Ass y Pinch Roller Block Main Chassis Fig 2 10 B Can be seen the hole of the Main Cam Can be seen the hole of the Pinch Roller Cam P5 Arm Ass y Pinc...

Page 73: ... Main Loading Gear Remove the Main Rod Tension Lever Loading Arm S Ass y and Loading Arm T Ass y 1 Main Rod Main Loading Gear Tension Lever Loading Arm T Ass y Loading Arm S Ass y Fig 2 16 A 2 14 CAPSTAN DD UNIT Refer to Fig 2 14 A Remove the Capstan Belt Remove the 3 screws 1 Remove the Capstan DD Unit 1 2 3 Fig 2 14 A Screw Torque 4 0 5kgf cm Capstan DD Unit Capstan Belt 1 1 1 In case of the Cap...

Page 74: ...Fig 2 18 B Fig 2 18 C Cassette Guide Post Cassette Guide Post 2 17 Remove the Polyslider Washer 1 Remove the Clutch Ass y and Ring Spring Remove the Clutch Lever Remove the Coupling Gear Coupling Spring and Clutch Gear 1 2 3 4 Fig 2 17 A NOTE 1 When you install the Loading Arm S Ass y Loading Arm T Ass y and Main Loading Gear align each marker Refer to Fig 2 16 B Fig 2 16 B Loading Arm T Ass y Mai...

Page 75: ...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 DISASSEMBLY INSTRUCTIONS 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 s...

Page 76: ...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 77: ...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 78: ...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 79: ...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 80: ...s 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 HOURS USED Can be checked of the INITIAL DATA of MEMORY IC Refer to the WHEN REPLACING EEPROM MEMORY IC VOL MIN 6 VOL MIN 1 Initialization of the factory NOTE Do not use this for the normal servicing If you set a factory initializati...

Page 81: ...otal hours 16 x 16 x 16 x thousands digit value 16 x 16 x hundreds digit value 16 x tens digit value ones digit value The following standard table depends on environmental conditions and usage Parts replacing time does not mean the life span for individual parts Also long term storage or misuse may cause transformation and aging of rubber parts The following list means standard hours so the checki...

Page 82: ...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 force against the cylinder head Do not mo...

Page 83: ...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 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 u...

Page 84: ...l VHS Alignment Tape For 4 heads model VHS Alignment Tape For 4 heads model Adapter Dial Torque Gauge 10 90gf cm Dial Torque Gauge 60 600gf cm Post Adjustment Screwdriver X Value Adjustment Screwdriver Master Plane Reel Disk Height Adjustment Jig Torque Tape VHT 063 Cable Monoscope 6KHz Color Bar 1KHz Hi Fi Audio X Value Adjustment Monoscope 6KHz Color Bar 1KHz Hi Fi Audio X Value Adjustment VSR T...

Page 85: ...ates 20 2gf in the beginning of playback 1 2 USING A CASSETTE TYPE TORQUE TAPE JG100A 1 2 3 After confirmation and adjustment of Tension Post position Refer to item 1 2 load the cassette type torque tape JG100A 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 cm ...

Page 86: ... 2 as shown in Fig 2 1 B even 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 After adjustment confirm and adjust A C head Refer to item 2 2 CH 2 SW Pulse TP1002 CH 1 Track CH 2 Track CH 1 Envelope TP4001 Fig 2 1 A Entran...

Page 87: ... to TP4001 CH 2 to TP1002 and CH 3 to HOT side of Audio Out Jack Playback the VHS Alignment Tape JG001S or JG001T Refer to SERVICING FIXTURE AND TOOLS 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 th...

Page 88: ...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 89: ...itching Pulse becomes 6 5 0 5H Refer to Fig 2 1 A B Press the Tracking Auto button 6 5H 6 5H Fig 2 1 B CH 2 CH 1 CH 1 CH 2 Fig 2 1 A 2 BASIC ADJUSTMENTS 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 Appro...

Page 90: ...g 1 1 and press the channel button 10 on the remote control to select R CUT OFF Using the VOL UP DOWN button on the remote control adjust the R CUT OFF Press the CH UP DOWN button on the remote control to select the R DRIVE B DRIVE G CUT OFF or B CUT OFF Using the VOL UP DOWN button on the remote control adjust the R DRIVE B DRIVE G CUT OFF or B CUT OFF Perform the above adjustments 6 and 7 until ...

Page 91: ... range between white 100 and 0 is set to 4 scales on the screen of the oscilloscope Press the VOL UP DOWN button on the remote control until the red color level is adjusted to 110 10 of the white level Refer to Fig 2 3 Receive the color bar pattern Audio Video Input Press the INPUT SELECT button on the remote control to set to the AV mode Then perform the above adjustments 2 6 A 2 16 SUB SHARPNESS...

Page 92: ...UIDE WIRING CONNECTION FB401 CP351 TU601 VR502 VR401 TP601 AC IN TP4001 TP1002 TP1001 CP1003 CP851A SYSCON PCB A C HEAD OPERATION PCB SPEAKER CD352 CD757 CD351 D3 4 C P 4 0 0 2 CP757 CRT CP502 L503 J801 TP803 TP801 R802 R810 CRT PCB CRT C P 8 5 1 B C D 8 0 1 CP801 ...

Page 93: ...rming 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 sla...

Page 94: ... MICON OPERATION IN OUT AT 5V_BACK UP X602 3 579545MHz 53 Q602 Q603 REG Q606 Q604 Q605 F501 14 13 UNREG 8V 1 2 TH501 F502 POWER_FAIL 50 1 E180V 27 TV_POWER H E 1 E 2 HEAD SP SP CD352 J351 FB401 L503 DEGAUSS COIL NC REG REG 52 12 AT 12V AT 5V AT 12V 2 1 MICON OPERATION IN OUT PUMP UP 21 Q609 POWER ON SW Q403 Q404 X RAY_TEST SW X RAY 3 Q601 BUFFER B ADJ JACK AMP SW PROTECTION FEED BACK Q511 SWITCHIN...

Page 95: ...SYNC SD_VIDEO SD_SYNC TU_VIDEO FRONT_AUDIO Y C_AUDIO 6 2 3 1 5 Q4005 BIAS CTL 11 4 P CON 5V 1 C ROT RF SW IN AUDIO MUTE HA SW ENV DET Q4006 BIAS OSC Q4003 SW Q4001 Q4002 AUDIO PB SW Q4012 BUFFER COIL BIAS OSC R 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 AG...

Page 96: ...M F R LDM_CTL 4 CAP_CTL CP1001 1 3 4 2 REEL SENS Q1005 POWER FAIL2 MICON OPERATION IN OUT BLOCK DIAGRAM X_RAY SDA SCL OSD_R CTL SD_VIDEO CTL V REC_ST_H VD OSD_G AFT_M OSD_B OSD_BLK HD Y C AUDIO CCD HEAD AMP TV CAPSTAN DD UNIT TV_POWER_H FF REW L 97 73 CTL AMP OUT Q1004 FF REW_SW J701 AUDIO L VIDEO 4 2 1 3 FRONT_VIDEO FRONT_AUDIO VCR_POWER_H TV 82 TV_A_MUTE TV_A_MUTE 2 1 MSSEN B MSSEN A 1 4 3 2 1 4...

Page 97: ...W796 SW797 SW751 C382 R351 R350_1 W811 C755_1 R766 R754_2 R793_2 R772_1 W001 R775_1 R776_1 R777_1 J701_1 R773_1 R774_1 R771_1 W002 W003 W004 W005 W006 W007 W008 R778_1 W814 W009 W815 CD352 CD757 CD351_1 W812 W805 PRINTED CIRCUIT BOARDS OPERATION SOLDER SIDE F 1 F 2 ...

Page 98: ...253 W239 Q602 C1016 C1015 W240 W232 L1001 Q1005 R1016 C1020 W268 W249 X1001 X1002 IC1099 SW1001 W237 W238 W250 W254 W150 CP757_2 W912 W213 Q1013 W257 W173 R4028 W087 Q4006 W112 W111 W108 W107 CP4001_1 W122 W096 W046 W097 C4025_1 C351 C356 C355 W104 W103 W105 W024 W101 W116 R612 W120 W109 TP4001 R4007 R4006 W027 W080 C4034 C4030 Q4002 C4035 T4001 L4003 Q4005 C4010 C4031 C4067 C4058 C4048 C4051 W098...

Page 99: ...4 R1036 C1027 Q1004 C1022 C1025 R1012 C1019 R1013 R1009 C1013 C1071 R1034 R1033 C1038 C1035 C1034 C1031 R1031 R1032 C1046 C1047 C1040 C1048 R1040 C1049 C1050 R1070 R1083 R1087 I C 1 0 0 1 R1052 Q1007 Q1008 C4206_1 R4015 R4068 W025 W818 R4064 R4062 R4033 R4060 R4054 C4074 R4055 R4057 Q4011 C4075 R4058 R4056 R4052 R4053 R4020 R359 R4017 R4037 C4014_1 R4025 C4038 R4011 C4005 R4010 Q4003 R4023 R4024 R...

Page 100: ... AUDIO SIGNAL REC AUDIO SIGNAL PB RECORD LUMINANCE SIGNAL T4001 1626009 COIL BIAS OSC 1 2 3 4 5 6 IC4001 LA71201M N MPB Y C A CCD H 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 SW Y C_CS ENV_DET Y C_CLK H ...

Page 101: ...STER NOTE THE DC VOLTAGE AT EACH PART WAS POWER_FAIL2 P CON 5V GND SDA SCL OSD_R OSD_G OSD_B REEL_T REEL_S Y C_CS CAP_CTL Y C_CLK CENTLED OSD_BLK SD_SYNC Y C_DATA CYL_DRIVE V REC_ST_H MOTOR 12V GND Y C_CLK Y C_DATA Y C_CS H SW SD_VIDEO X_RAY ENV_DET VCR_A_MUTE CTL CTL CAP_FG DUMMY_V SYNC V REC_ST_H VCR_A_MUTE TAB_SW H AMP_SW1 CAP_M F R SD_SYNC TV_A_MUTE PLAY_LED CAP_CTL IIC_OFF LDM_CTL CAP_FG CYL_...

Page 102: ...ACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS AUDIO SIGNAL REC AUDIO SIGNAL PB SOUND_GND SOUND SP_OUT AT 5V INT MONI B OUT IIC_OFF SDA SCL T REC_LED REC_LED GND KEY_B KEY_A REMOCON_IN Y C_AUDIO Y C_VIDEO FRONT_AUDIO FRONT_VIDEO CD351_1 G 6 G 5 VMA227 PCB010 FROM CHROMA IF SP_OUT SOUND_OUT SOUND_GND FRONT_AUDIO_IN FRONT_VIDEO_IN REMOCON_IN KEY_A T REC_LED REC_LED KEY_B C...

Page 103: ...R609 680 R607 220 1 2W R668 470 1 4W R612 680 1 4W R616 1K R627 12K R639 12K R663 100 R628 100 R650 470 1 4W R608 10K R631 6 8K R656 1K R624 2K R602 100 R603 100 R613 12K R641 22K R649 2 2K C655 47 16V KA C648 0 22 50V KA C652 47 16V YK C649 1 50V KA C641 1000 10V YK C644 22 50V YK C627 1 50V KA C624 47 16V YK C643 22 50V YK C610 4 7 50V KA C612 470 6 3V YK C632 2 2 50V KA C659 100 6 3V KA Q604 2S...

Page 104: ...OADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE IC351 AN7511 SOUND AMP IC 1 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 C357 0 001 CH C301 0 0068 B R353 68K R359 47K R357 5 6K R352 4 7K C355 10 16V KA C356 10 50V YK W808 W814 AUDIO SIGNAL REC SP_OUT SOUND SOUND_GND TV_A_MUTE ...

Page 105: ... D514 1SS133 D512 SB290S D507 SB290S B EIC D536 10ELS6N D510_1 RU2AM EIC D505 SB290S D508 1SS133 D533 1SS133 D513 1SS133 D517 10ELS2N D518 RM11C EIC D521 RM11C EIC D537 1SS133 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C524 1000 16V MHE C511 470 25V YK C523 470 35V YK C521 220 200V YXF C541 820P 2KV RR C517 0 0022 2KV RR C506 0 22 275V PH...

Page 106: ...5 11E1 EIC OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C402 1000 35V YK C418 22 50V YK C451 0 22 100V TF C424 0 0091 1 25KV MPP C438 0 001 500V B C423 0 47 250V PMS C417 0 0022 500V B C416 22P CH R490 68K 1 4W R404 1K 1 4W R420 8 2K 1 R414 12K R460 100 1 4W R439 22K 1 R423 10K 1 4W R440 51K 1 4W R441 56K R419 330 1 2W R416 82K R415 2 2 1 2...

Page 107: ... AND PICTURE IS NORMAL NOTE B SIGNAL CP851B B2013H02 10P 1 10 2 3 4 5 6 7 8 9 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C811 470P B C810 470P B C801_1 0 0022 2KV RR C809 470P B C805 100P CH R807 2 7K 1 4W R816 4 7K R813 390 R812 390 R815 4 7K R811 390 R814 4 7K R808 2 7K 1 4W R820 2 7K 1 4W Q806_1 2SC4217 RED AMP Q804_1 2SC4217 BLUE AMP ...

Page 108: ...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 CD351_1 CH27090A 1 2 3 4 5 6 7 CD757 CH2A019A 1 10 2 3 4 5 6 7 8 9 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C382 100 16V KA C755_1 220 6 3V KA R350_1 22 1 4W R776_...

Page 109: ...DIO_IN FRONT_VIDEO_IN KEY_B REC_LED T REC_LED REMOCON_IN KEY_A INTERCONNECTION DIAGRAM FB401 FBT VMA227 SYSCON PCB PCB010 TEXA28 DEGAUSS COIL DEGAUSS COIL FOCUS SCREEN TCA377 S801 CD801 FOCUS SCREEN NC 180V GND R OUT NC HEATER G OUT B OUT 180V GND R OUT NC HEATER G OUT B OUT CRT PCB PCB110 F CRT SOCKET J801 5 4 3 6 7 8 9 1 GND GND V801 H V CRT ANODE NC NC NC NC NC TU601 PACK TUNER IF 30V 5V SDA SC...

Page 110: ... AUDIO SIGNAL REC AUDIO SIGNAL PB RECORD LUMINANCE SIGNAL T4001 1626009 COIL BIAS OSC 1 2 3 4 5 6 IC4001 LA71201M N MPB Y C A CCD H 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 SW Y C_CS ENV_DET Y C_CLK H ...

Page 111: ...STER NOTE THE DC VOLTAGE AT EACH PART WAS POWER_FAIL2 P CON 5V GND SDA SCL OSD_R OSD_G OSD_B REEL_T REEL_S Y C_CS CAP_CTL Y C_CLK CENTLED OSD_BLK SD_SYNC Y C_DATA CYL_DRIVE V REC_ST_H MOTOR 12V GND Y C_CLK Y C_DATA Y C_CS H SW SD_VIDEO X_RAY ENV_DET VCR_A_MUTE CTL CTL CAP_FG DUMMY_V SYNC V REC_ST_H VCR_A_MUTE TAB_SW H AMP_SW1 CAP_M F R SD_SYNC TV_A_MUTE PLAY_LED CAP_CTL IIC_OFF LDM_CTL CAP_FG CYL_...

Page 112: ...ACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS AUDIO SIGNAL REC AUDIO SIGNAL PB SOUND_GND SOUND SP_OUT AT 5V INT MONI B OUT IIC_OFF SDA SCL T REC_LED REC_LED GND KEY_B KEY_A REMOCON_IN Y C_AUDIO Y C_VIDEO FRONT_AUDIO FRONT_VIDEO CD351_1 G 6 G 5 VMA227 PCB010 FROM CHROMA IF SP_OUT SOUND_OUT SOUND_GND FRONT_AUDIO_IN FRONT_VIDEO_IN REMOCON_IN KEY_A T REC_LED REC_LED KEY_B C...

Page 113: ...R609 680 R607 220 1 2W R668 470 1 4W R612 680 1 4W R616 1K R627 12K R639 12K R663 100 R628 100 R650 470 1 4W R608 10K R631 6 8K R656 1K R624 2K R602 100 R603 100 R613 12K R641 22K R649 2 2K C655 47 16V KA C648 0 22 50V KA C652 47 16V YK C649 1 50V KA C641 1000 10V YK C644 22 50V YK C627 1 50V KA C624 47 16V YK C643 22 50V YK C610 4 7 50V KA C612 470 6 3V YK C632 2 2 50V KA C659 100 6 3V KA Q604 2S...

Page 114: ...OADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE IC351 AN7511 SOUND AMP IC 1 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 C357 0 001 CH C301 0 0068 B R353 68K R359 47K R357 5 6K R352 4 7K C355 10 16V KA C356 10 50V YK W808 W814 AUDIO SIGNAL REC SP_OUT SOUND SOUND_GND TV_A_MUTE ...

Page 115: ... D514 1SS133 D512 SB290S D507 SB290S B EIC D536 10ELS6N D510_1 RU2AM EIC D505 SB290S D508 1SS133 D533 1SS133 D513 1SS133 D517 10ELS2N D518 RM11C EIC D521 RM11C EIC D537 1SS133 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C524 1000 16V MHE C511 470 25V YK C523 470 35V YK C521 220 200V YXF C541 820P 2KV RR C517 0 0022 2KV RR C506 0 22 275V PH...

Page 116: ...5 11E1 EIC OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C402 1000 35V YK C418 22 50V YK C451 0 22 100V TF C424 0 0091 1 25KV MPP C438 0 001 500V B C423 0 47 250V PMS C417 0 0022 500V B C416 22P CH R490 68K 1 4W R404 1K 1 4W R420 8 2K 1 R414 12K R460 100 1 4W R439 22K 1 R423 10K 1 4W R440 51K 1 4W R441 56K R419 330 1 2W R416 82K R415 2 2 1 2...

Page 117: ... AND PICTURE IS NORMAL NOTE B SIGNAL CP851B B2013H02 10P 1 10 2 3 4 5 6 7 8 9 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C811 470P B C810 470P B C801_1 0 0022 2KV RR C809 470P B C805 100P CH R807 2 7K 1 4W R816 4 7K R813 390 R812 390 R815 4 7K R811 390 R814 4 7K R808 2 7K 1 4W R820 2 7K 1 4W Q806_1 2SC4217 RED AMP Q804_1 2SC4217 BLUE AMP ...

Page 118: ...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 CD351_1 CH27090A 1 2 3 4 5 6 7 CD757 CH2A019A 1 10 2 3 4 5 6 7 8 9 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C382 100 16V KA C755_1 220 6 3V KA R350_1 22 1 4W R776_...

Page 119: ...DIO_IN FRONT_VIDEO_IN KEY_B REC_LED T REC_LED REMOCON_IN KEY_A INTERCONNECTION DIAGRAM FB401 FBT VMA227 SYSCON PCB PCB010 TEXA28 DEGAUSS COIL DEGAUSS COIL FOCUS SCREEN TCA377 S801 CD801 FOCUS SCREEN NC 180V GND R OUT NC HEATER G OUT B OUT 180V GND R OUT NC HEATER G OUT B OUT CRT PCB PCB110 F CRT SOCKET J801 5 4 3 6 7 8 9 1 GND GND V801 H V CRT ANODE NC NC NC NC NC TU601 PACK TUNER IF 30V 5V SDA SC...

Page 120: ...DIO CCD HEAD AMP 10 PB 1 0V 5ms div 13 PB 1 0V 5ms div 11 PB 0 5V 0 5ms div 8 POWER ON 1 0V 10µs div 9 PB 1 0V 10ms div 6 POWER ON 1 0V 20µs div 2 POWER ON 100mV 0 1µs div 1 PB 0 5V 20µs div 7 POWER ON 0 5V 10ms div MICON 5 REC 10 0V 5us div 3 PB 10mV 20us div 4 PB 0 5V 1ms div 18 10 0V 5ms div DEFLECTION 17 0 5V 5ms div 19 2 0V 20µs div ...

Page 121: ... 50 0V 20µs div The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE H 2 WAVEFORMS CRT 22 50 0V 20µs div 21 50 0V 20µs div 20 200mV 20µs div ...

Page 122: ...MECHANICAL EXPLODED VIEW I1 1 205 205 205 205 L503 V801 111 J801 PCB110 CRT PCB 120 PCB030 OPERATION PCB 115 118 113 117 207 206 108 121 101 B 206 SP351 116 122 206 110 207 ...

Page 123: ...MECHANICAL EXPLODED VIEW I1 2 114 202 202 202 202 106 202 204 203 207 119 209 204 204 109 104 104 112 112 211 210 211 210 FB401 PCB010 SYSCON PCB 105 201 201 208 102 209 103 107 204 123 ...

Page 124: ...331 334 333 314 302 301 313 307 300 317 309 336 346 321 319 320 AB 316 318 325 347 AB AB AB AA AA AA AA AA AB AB AB AB AB AB AD AC AC Applying positions AA AB AC and AD for the grease are displayed for this section Check if the correct grease is applied for each position NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB FG 84M AC FL 721 AD 345 AB AB ...

Page 125: ... 510 337 340 509 308 344 327 343 326 328 AA AA AB AB AB AA AA AD AA AA AA AA AA AA Applying positions AA AB AC and AD for the grease are displayed for this section Check if the correct grease is applied for each position NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB FG 84M AC FL 721 AD ...

Page 126: ... DECK SHIELD 120 723000A824 FILM DECORATION 121 735WPJA514 BUTTON FRAME 122 743WKA0032 SPRING FLAP COMBO 123 755WPA0026 PLATE COVER LIGHT 201 8117540B04 SCREW TAPPING B0 TRUSS 4x20 202 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 8107630604 SCREW TAP TITE S BRAZIER 3x6 204 8110630A24 SCREW TAP TITE P BRAZIER 3x12 205 8121F50B84 SCREW TAPPING BO FAI20 FLAT 5x28 206 8110630A04 SCREW TAP TITE P BRAZIER...

Page 127: ...P5 ARM ASS Y 2 H5002 1543D02013 HEAD FULL ERASE HVFHP0032A 314 85OA400233 TENSION ARM ASS Y WT M101 1596P98001 MOTOR LOADING MXN13FB12K3 315 85OA400231 INCLINED BASE S UNIT M2001 1510S98036 CAPSTAN DD UNIT F2QVB08 316 85OP800358 SPRING LOCKER M2003 1589S11014 MICRO MOTOR I2OAL03 317 85OP900736 CASS HOLDER UN4001 A5A305A500 CYLINDER UNIT ASS Y A5A305A500 318 85OP900748 CASS SIDE L 319 85OP900749 CA...

Page 128: ...R SILICON KTC3203_Y AT C801 C0PLRR7H3K CC 0 0022 UF 2KV RR Q601 T6YJ1037K0 TRANSISTOR SILICON 2SA1037AKT146R S DIODES Q602 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT D401 D2WT011E10 DIODE SILICON 11E1 EIC Q603 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT D402 D2WXN49370 DIODE SILICON 1N4937 Q604 TDWT00400E TRANSISTOR SILICON 2SD400E D403 D97U03001B DIODE ZENER MTZJ30B T 77 or Q605 TDWT00400E TRANSIS...

Page 129: ...96 0504101T34 SWITCH TACT EVQ21505R CMPL METAL PLASTIC CAPACITOR SW797 0504101T34 SWITCH TACT EVQ21505R CMPP METAL POLYPROPYLENE CAPACITOR SW798 0504101T34 SWITCH TACT EVQ21505R SW799 0504101T34 SWITCH TACT EVQ21505R SW1001 0508A11002 SWITCH LEAF MXS01380MPP0 VARIABLE RESISTORS VR401 V1263H3BT7 VOLUME SEMI FIXED RH0683CJ3R VR502 V1163L2BTC VOLUME SEMI FIXED EVNCYAA03BY2 P C BOARD ASSEMBLIES PCB010...

Page 130: ...M5A3 25A K215009 SPEC NO O R NO ...

Page 131: ...EVISION 1 MFR S VERSION B COLOR TELEVISION VIDEO CASSETTE RECORDER SERVICE MANUAL MVT2135B Series E Please file this revision with the original version MFR S VERSION B C CRT A34JXV70X53N45 A34AGT13X98 L ...

Page 132: ...B I03F3205M0 IC LA71205M MPB CP351 0694260139 CONNECTOR PCB SIDE 173979 6 069E260659 CONNECTOR PCB SIDE 00_8283_0611_00_000 PCB110 A5A325A010 SYSCON PCB ASS Y VERSION C VMA227A A5A325C010 SYSCON PCB ASS Y VERSION B VMA227A SYSCON PCB s are not interchangeable M5A3 25C K235054 MFR S VERSION C MFR S VERSION B SPEC NO ELECTRICAL REPLACEMENT PARTS LIST REF NO O R NO ...

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