Schaub Lorenz SL0021KO Service Manual Download

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SERVICE MANUAL

Design and specifications are subject to change without notice.

COLOR TELEVISION/VIDEO CASSETTE RECORDER

SL0021KO

ORIGINAL

MFR’S VERSION A

Summary of Contents for SL0021KO

Page 1: ...SERVICE MANUAL Design and specifications are subject to change without notice COLOR TELEVISION VIDEO CASSETTE RECORDER SL0021KO ORIGINAL MFR S VERSION A ...

Page 2: ...ED T TEXT PRINTED CIRCUIT BOARDS MAIN CRT POWER SW OPERATION DECK SYSCON SCHEMATIC DIAGRAMS Y C AUDIO HEAD AMP MICON POWER 21PIN IN OUT CHROMA IF SOUND AMP T TEXT TV POWER DEFLECTION CRT JACK LED DECK 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 3: ... Advance 1 10 Slow Speed 1 5 1 30 G 3 Tuning Broadcasting System CCIR Italy System B G System Tuner and System 1Tuner Receive CH Destination Oscar W HYPER Tuning System F Synth Input Impedance VHF UHF 75 ohm CH Coverage E2 E4 X Z 2 S1 S10 E5 E12 S11 S41 E21 E69 Intermediate Frequency Picture FP 38 9MHz Sound FS 33 4MHz FP FS 5 5MHz Preset CH 80CH Stereo Dual TV Sound No G 4 Signal Video Signal Inp...

Page 4: ... CODE or SHOWVIEW or PLUSCODE No Entry No Stereo Audio Output No Bilingal No NICAM No Clock Date Yes CH AV Yes Tape Counter Linear Counter Yes Tape Speed No Sleep Time Yes Control Volume Yes Level Bright Contrast Sharpness Color Yes Tint No Bass Treble Balance No Manual Tracking Yes Play Stop FF Rew Rec OTR T Rec Pause Eject Tape In Symbol Mark Yes Auto Tracking Manual Tracking Yes S Repeat SR R S...

Page 5: ...eft Yes Pause Still Yes Pause No Stop Down Yes Rec OTR Yes Eject Yes Counter Reset Yes Speed No Timer Rec Yes TV Monitor Yes TV Monitor Rec Monitor No Program Yes Program V ShowView No Auto Tracking No Auto Tracking Reveal Yes Menu Yes Enter No Enter Hold Yes Cancel Ch Skip No Cancel Ch Skip F T B Yes Index No Index Sub Page Yes Call Yes Text Mix TV Yes Sleep Timer Yes Mute Yes Zero Return Yes CM ...

Page 6: ...tenna Adapter Loop Antenna No Terminal U V Mixer No DC Car Cord Center No Guarantee Card Yes Warning Sheet No Circuit Diagram No Antenna Change Plug No Service Facility List No Important Safeguard No Dew AHC Caution Sheet No AC Plug Adapter No Quick Set up Sheet No Battery Yes UM size x pcs UM 4 x 2 pcs OEM Brand No AC Cord No AV Cord 2Pin 1Pin No 21pin RCA Cable No Registration Card No PTB Sheet ...

Page 7: ... Antenna Input DIN type AC Inlet No G 16 Set Size Approx W x D x H mm 502 x 486 5 x 513 G 17 Weight Net Approx 22 0kg lbs Gross Approx 24 0kg lbs G 18 Carton Master Carton No Content Material Dimensions W x D x H mm Description of Origin Gift Box Yes Material Double Brown Dimensions W x D x H mm 569 x 562 x 590 Design As per Buyer s Description of Origin No Drop Test Natural Dropping At 1 Corner 3...

Page 8: ...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 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 and CP820 R...

Page 9: ...rews 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 Remove the Jack Plate in the direction of arrow B 1 7 JACK...

Page 10: ...the Cassette Holder Ass y to the back side Unlock the 2 supports 1 and remove the Tape Guide L Remove the REC Lever Recorder only 1 2 3 1 Main Chassis Tape Guide L REC Lever Fig 2 3 A The REC Lever is not installed on the Video Cassette Player 1 1 2 2 2 Tape Guide R Flap Lever Main Chassis 2 4 CASSETTE HOLDER ASS Y Refer to Fig 2 4 Move the Cassette Holder Ass y to the front side so that the Link ...

Page 11: ...umper Spring 3 B2 2 Main Chassis Sensor Cover L3 1 Fig 2 8 2 9 TENSION ASS Y Refer to Fig 2 9 B Turn the Middle Gear clockwise so that the Tension Holder hook is set to the position of Fig 2 9 A to more the Tension Arm Ass y Remove the Tension Spring Unlock the support 1 and remove the Tension Arm Ass y Remove the Tension Adjust Unlock the 2 supports 2 and remove the Tension Band Ass y Float the h...

Page 12: ...LOCK P5 3 ARM ASS Y Refer to Fig 2 12 A Remove the P5 Spring Remove the screw 1 Unlock the 2 supports 2 and remove the Cassette Opener Remove the Pinch Roller Block Pinch Roller Arm Spring Pinch Roller Lever Ass y and P5 3 Arm Ass y 1 2 3 4 1 2 2 P5 Spring Cassette Opener P5 3 Arm Ass y Pinch Roller Block Pinch Roller Lever Ass y Main Chassis Fig 2 12 A Pinch Roller Arm Spring Screw Torque 5 0 5kg...

Page 13: ...inder Unit Ass y 2 2 2 Screw Torque 3 0 5kgf cm Fig 2 15 1 3 2 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 2 16 CAPSTAN DD UNIT Refer t...

Page 14: ...oading Gear T Loading Gear Spring Loading Arm T Ass y Loading Gear S Loading Gear Spring Loading Arm S Ass y LED Reflecter Idler Arm Ass y Clutch Actuator Screw Torque 5 0 5kgf cm Fig 2 19 A NOTES 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 19 B Marker Main Loading Gear Marker Loading Arm T Ass y Loading Arm S Ass y Fig 2 19...

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 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 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: ...ent MENU Refer to the ELECTRICAL ADJUSTMENT OSD HORIZONTAL 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 9 Display of the Adjustment MENU on the screen Refer to the ELECTRICAL ADJUS...

Page 21: ...r 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 at least 30 minutes before Pow...

Page 22: ... head in the same manner Refer to the figure below 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in isopropyl alcohol Hold it to the cylinder head softly Turn the cylinder head counterclockwise to clean it in the direction of the arrow Refer to the figure below NOTE Do not ex...

Page 23: ...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 button until required DATA value has been sele...

Page 24: ...153000 APJG024A00 APJG100A00 APJG154000 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 VSR Torque Brake Torque S Reel T Reel Ass y Monoscope 6KHz For 2 head 1 speed model 4 head model Color Bar 1KHz For 2 head 1 speed model 4 head model Hi Fi Audio F...

Page 25: ...2C and JG162D 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 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 ...

Page 26: ...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 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 to...

Page 27: ... 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 TP4001 CH 1 Track CH 2 Track CH 1 Envelope TP4002 Fig 2 1 A Entrance Exit Max...

Page 28: ...oscope to TP4002 CH 2 to TP4001 and CH 3 to HOT side of Audio Out Jack Playback the VHS Alignment Tape JG001U or JG001V 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...

Page 29: ...ENTS 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 30: ...in 11 of TU601 through 100 ohm resistor Connect the digital voltmeter to pin 47 of IC601 Adjust the L608 until the digital voltmeter is 3 8 0 05V 2 3 RF AGC 1 2 3 4 5 Receive the UHF 63dB Connect the digital voltmeter between the pin 5 and the pin 1 GND of CP603 Activate the adjustment mode display of Fig 1 1 and press the channel button 05 on the remote control to select OTHERS The Fig 2 2 appear...

Page 31: ...1 1 and press the channel button 01 on the remote control to select H V The Fig 2 4 appears on the display Press the channel button 02 on the remote control to select H BLK Switch the R L by using the ENTER button on the remote control and check if the H BLK step No becomes R2 L4 Place the set with Aging Test for more than 15 minutes Set condition is AV MODE without signal Using the remote control...

Page 32: ...05 on the remote control to select OTHERS The Fig 2 2 appears on the display Press the channel button 04 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 1 BRIGHT 2 CONTRAST 3 COLOR 4 TINT 5 SHARPNESS 6 TEXT CONT 7 8 0 RETURN Fig 2 6 2 14 SUB COLOR 1 2 3 4 5 6 7 8 9 Receive the color bar patte...

Page 33: ...ightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 04 on the remote control to select PICTURE The Fig 2 6 appears on the display Press the channel button 06 on the remote control to select TEXT CONT Check if the step No of TEXT CONT is 15 2 19 E E LEVEL 1 2 3 Receive the color bar pattern Audio Video Input Connect the oscilloscope ...

Page 34: ...ELECTRICAL ADJUSTMENTS D2 5 TU601 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE VCR SECTION TP4002 TP4001 CP603 SYSCON PCB IC601 L608 TP1001 TP4501 J4501 ...

Page 35: ...ELECTRICAL ADJUSTMENTS D2 6 TV SECTION MAIN PCB FB401 FOCUS VOLUME SCREEN VOLUME VR502 T501 CRT PCB TP801 J801 TP401 ...

Page 36: ...RITY NOTE Adjust after 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 an...

Page 37: ...R TEXT_B TEXT_G TEXT_Y VD AFT_M 12 11 BUS MICON JACK LED 49 48 6 1 4 3 L608 11 PUMP UP THERMAL PROTECTION 2 7 13 ABL MICON JACK LED PLL A2C TEXT_Y Q806 BLUE AMP Q805 Q804 GREEN AMP RED AMP B OUT G OUT R OUT 7 Q601 AMP VIF AC IN D501 RECTIFIER F501 8 13 4 17 T501 18 3 1 POWER REG IC IC501 STR F6707 IC506 ON3171R FEED BACK Q507 Q506 5V SW Q513 5V SW VR502 B ADJ L503 DEGAUSS COIL RY501 RELAY Q504 REL...

Page 38: ... 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 15 6KHz TRAP Q4007 AMP D4510 D4511 L4005 1 3 6 Q4004 Q4005 FE HEAD 4 ENV_DET H SW MICON JACK LED SDA SCL VCR_A_MUTE V REC_ST_H CTL CTL CYL CP4001 3 2 4 SP_COM SP CH2 L SP CH1 R CP4005 1 AUDIO PB 6 5 2 AE HEAD AUDIO REC AE HEAD HEAD AUDIO CONTROL 4 3 CTL CTL PB...

Page 39: ...VCR_MUTE VCR_A_MUTE 105 VIDEO_H SW H SW 91 TUNER MUTE TU_AUDIO_MUTE_H 35 TUNER AGC 24 VIDEO_ENV TUNER_AGC ENV_DET Q1016 HD SW Q1015 VD SW Y C AUDIO HEAD AMP 21PIN IN OUT DECK 4 3 2 LDM LDM BOT CP1006 4 CTL AT 12V 33 AFT S CURVE AFT_M TV_POWER_ON H 111 84 EXT_IN L EXT_IN_L V SYNC C SYNC 55 27 28 MS_SENS_CTL MS SEN_B MS SEN A 1 4 3 2 1 4 3 2 Q1002 SENSOR SW MS_SEN A Q1009 MS_SEN B Q1003 AT 5 6V D100...

Page 40: ...E GREEN 15 14 13 9 TRIPLE ANALOG MPXER IC IC853 TC74HC4053AF 5 RSTB OSC1 5 6 OSC2 X851 13875KHz 12 TCLK 19 SYNC 17 WIND SSIG 2 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 JACK...

Page 41: ... AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D4003 RB721Q 40 L4001 2623003 15 6KHz TRAP 1 2 3 4 6 CAUTION DIGITAL TRANSISTOR Q4009 DTC124ES SLOW B4001 BL02RN1 R62 RECORD LUMINANCE SIGNAL RECORD COLOR SIGNAL PLAYBACK COLOR SIGNAL PLAYBACK LUMINANCE SIGNAL TUNER VIDEO SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB TUNER AUDIO SIGNAL SDA SCL 2FSC H SW 2FSC_A EN...

Page 42: ...X1002 100C32R803 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D1022 1SS133 D1012 1SS133 D1011 1SS133 D1015 1SS133 D1014 1SS133 D1001 1N4005E D1004 1N4005E D1017 1SS133 D1002 1SS133 D1006 SB10 03A3 D1010 SB10 03A3 D1009 1SS133 D1016 1SS133 CAUTION DIGITAL TRANSISTOR Q1020 DTC143EKA CENT LED CTL Q1004 DTC124EKA FF REW SW SI1 SDA SCL MD0 FWE V...

Page 43: ...JECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D1019 11EQS04N D1007 1SS133 D1018 11EQS04N CAUTION DIGITAL TRANSISTOR Q1007 DTC114TKA P CON SW Q1008 DTC114TKA P CON SW 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 44: ...K R4502 560K R4532 100 R4514 330K R1101 100 1 4W R4538 1 5K R4201 75 C4503 1 F C4502 1 F C4204 0 001 B C4203 0 001 B C4505 0 018 B C4510 0 01 B C4511 470P CH C4516 470PCH C4515 470PCH C4202_1 470P B C1103 100P CH C1101_1 0 1 F C4506 100 16V KA C4508 1 50V KA C4522 10 16V KA L4504 10uH L4503 10uH OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME ...

Page 45: ...A C612 10 16V KA C651 10 16V KA C639_1 10 16V KA C658 100 6 3V KA C619 1 50V KA C645 1 50V KA C605 2 2 50V KA C656 220 10V YK C611 10 16V KA C613 10 16V KA L606 2 2uH L610 2 7uH L603 15uH L604 0 27uH X601 100CT4R406 CF602 MKT40 4MA110P FILTER CERAMIC TRAP OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D604 11ES1N D606 1SS133 D605 1SS133 D601 ...

Page 46: ...2412K A_MUTE SW Q353 2SC2412K A_MUTE SW C353_1 1000 16V YK C363_1 1000 16V YK C352 47 16V KA C358_1 2 2 50V KA C351_1 10 16V KA C354 1000 16V YK C359 220 16V YK C357 1000 25V YK R308 10K 1 4W R353 68K 1 4W R357 100K R360 22K R355 10K 1 4W C362_1 150P CH C360 1 B C361 0 001 B CP302 B2B EH A 1 2 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME AU...

Page 47: ...890 15P CH C887 220P CH C859 330P CH C893 10P 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 L851 10uH X851 100CT01302 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D861 1SS133 D854 SB10 03A3 D851 1SS133 D863 11EQS04N D856 1SS133 D852 1SS133 D859...

Page 48: ... 1 8K 1 4W R532_1 5 6K 1 4W R514_1 470 1 4W R523 10K R515 10K R508 1M R507 1 5K R538 1 5M 1 2W R502 56 1 2W R516 330 R518 10K R503 4 7K 1 4W R533 4 7K R509 10K R520 10K R519 10K R552 10K R553 39K 1 2W R504 270K 1 2W R521 10K R554 22K 1 2W C516 470P 500V B C506 0 1 250V ECQUL C503 0 0022 2KV B C502 0 0022 2KV B C527_1 470P 2KV YR C519 470P 500V B C530 0 001 250V KX C505 0 22 250V ECQUL C512 0 001 M...

Page 49: ...160V YK C422 1 250V MHE C405 4 7 50V YK C407 1200 25V HR C404 4 7 50V YK C403 10 50V YK C406 100 35V MHE C431 22 250V YK R460 100 1 4W R423 12K 1 4W R490 68K 1 4W R420 18K R456 4 7K 1 2W R412 6 8K R414 1 2K R416 27K R408 1K 1 2W R407 1 5K 1 2W R425 4 7K R417 330 1 2W R419 330 1 2W R421 1K 1 2W R453 220K 1 4W R427 5 6K R415 6 8 1 4W R418 1 5 1 4W C429_1 470P 500V B C432 0 47 100V TF C417 0 001 500V...

Page 50: ...URITE ETANT LES PIECES REPAREES PAR UN ATTENTION TP802 TP801 TP803 W877 Q804_1 2SC4217 RED AMP Q806_1 2SC4217 BLUE AMP Q805_1 2SC4217 GREEN AMP C820 1 250V YK R814 3 3K R811 220 R815 3 3K R812 220 R816 3 3K R813 220 R808 2 7K 1 4W R807 2 7K 1 4W R801 1M 1 4W R820 2 7K 1 4W C822 150P B C812 150P B C821_1 150P B C819 0 0022 2KV B C809 560P B C810 390P B C811 0 001 B C801 0 0022 2KV B C805 100P B CP8...

Page 51: ...CAL 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 W805 W811 C352 100 16V KA R350 33 1 2W R761 270 1 4W R754 270 1 4W R793 270 1 4W R351 33 1 2W OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TI...

Page 52: ...ES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS CP101 52044 0445 1 2 3 4 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DECK SCHEMATIC DIAGRAM DECK PCB FROM TO MICON LDM LDM VCC BOT VE88...

Page 53: ... FRONT_VIDEO_IN CD1003 CD1001 CD4001 11 10 9 8 7 6 5 S801 M2001 DECK MECHA ASS Y CAPSTAN DD UNIT ASS Y CP603 Q101 BOT SENSOR NC NC NC NC NC 6 UN4001 CYLINDER UNIT ASS Y FFC FE HEAD HOT FE HEAD GND H5002 FULL ERASE HEAD ASS Y FE HEAD HOT FE HEAD GND M101 LOADING MOTOR CP1004 AGC AFT SDA SCL IIC_OFF VIDEO_OUT AUDIO_OUT P CON 9V GND FOCUS SCREEN TEXA35 PCB340 POWER SW PCB MAIN PCB CUT_OFF CUT_OFF MOT...

Page 54: ...ding 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 H 1 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 55: ...V 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 56: ...ON 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 57: ...The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE WAVEFORMS H 4 46 REC 0 5V 0 5ms div SOUND AMP 47 POWER ON 200mV 50ns div T TEXT ...

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