Roadstar TLV1085 Service Manual Download Page 1

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SERVICE MANUAL

TLV1085

Design and specifications are subject to change without notice.

COLOR TELEVISION/VIDEO CASSETTE RECORDER

ORIGINAL

MFR’S VERSION A

Summary of Contents for TLV1085

Page 1: ...SERVICE MANUAL TLV1085 Design and specifications are subject to change without notice COLOR TELEVISION VIDEO CASSETTE RECORDER ORIGINAL MFR S VERSION A ...

Page 2: ...ER can be found on the back of each product and the VERSION LETTER can be found at the end of the SERIAL NUMBER 2 PART NO and DESCRIPTION You can find it in your SERVICE MANUAL HOW TO ORDER PARTS PERFORM A SAFETY CHECK AFTER SERVICING 7 Confirm that the screws parts and wiring which were removed in order to service are put in the original positions or whether there are the portions which are deter...

Page 3: ...NTED CIRCUIT BOARDS MAIN CRT SYSCON 21PIN DECK SYSCON 21PIN SCHEMATIC DIAGRAMS Y C AUDIO HEAD AMP MICON POWER OPERATION CHROMA IF SOUND AMP T TEXT 21PIN IN OUT TV POWER DEFLECTION CRT 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 1 A3 4 B1 1...

Page 4: ...ion U K Tuning System F Synth Input Impedance VHF UHF 75 ohm CH Coverage 21 69 Intermediate Picture FP 39 5MHz Frequency Sound FS 33 5MHz FP FS 6 0MHZ Preset CH 80CH Stereo Dual TV Sound No G 4 Signal Video Signal Input Level 1 V p p 75 ohm Output Level 1 V p p 75 ohm S N Ratio Weighted 53 dB Horizontal Resolution at SP Mode 240 Lines Audio Signal Input Level 3 8dB 50Kohm Output Level 3 8dB 1Kohm ...

Page 5: ...Auto Tracking Manual Tracking Yes S Repeat SR R SR PLAY No Index Yes Mute Yes Hi Fi No Repeat Yes Zero Return No Dew Yes G 10 OSD Language Eng Ger Fre Spa Ita OSD Language Setting Eng G 11 Clock Timer Calendar 1990 1 1 2081 12 31 and Timer Timer Events 8 prog 1 month Back up One Touch Recording Max Time SP 5 Hours LP 10Hours OTPB Valid Time Sleep Timer Max Time 120 min Step 10 min On Off Timer Pro...

Page 6: ... High Quality Yes Auto Power On Auto Play Auto Rewind Auto Eject Yes Auto Shut Off Yes Auto Repeat Yes VIDEO PLUS SHOWVIEW G CODE No CH Auto Set Up Auto Clock No Forward Reverse Picture Search Yes One Touch Playback No Auto Tuning No Anti Theft No End Call No Index Search Yes SQPB No CATV No CM Skip 30sec x 6 Times No Comb Filter No T Text Yes Text type FasText Scene Repeat No Hotel Lock No TV Mon...

Page 7: ...Touch Playback No Play No Terminals Front Video Input RCA x1 Audio Input RCA x1 Other Terminal Head Phone Stereo Mono 3 5mm Rear Video Input No Audio Input No Video Output No Audio Output No Euro Scart 1 SCART Diversity No Ext Speaker No DC Jack 12V Center Yes VHF UHF Antenna Input DIN type AC Inlet No G 16 Set Size Approx W x D x H mm 278 x 316 x 311 5 G 17 Weight Net Approx 8 8 kg lbs Gross Appr...

Page 8: ...1 3 1 4 MAIN PCB Refer to Fig 1 4 1 2 3 4 5 6 Remove the screw 1 Remove the Main PCB Holder Remove the 2 screws 2 Remove the screw 3 Disconnect the following connectors CP502 and CP820 Remove the Main PCB in the direction of arrow Fig 1 4 B1 1 1 2 CRT PCB Refer to Fig 1 2 CAUTION BEFORE REMOVING THE ANODE CAP DISCHARGE ELECTRICITY BECAUSE IT CONTAINS HIGH VOLTAGE BEFORE ATTEMPTING TO REMOVE OR REP...

Page 9: ...3 4 5 6 Remove the 2 screws 1 Remove the 4 screws 2 Remove the screw 3 Remove the Deck Shield Plate in the direction of arrow A Remove the screw 4 Remove the Shield Plate Bottom in the direction of arrow B Syscon PCB A Deck Holder Fig 1 7 3 3 B 2 2 Jack Plate 1 1 2 3 4 5 Remove the screw 1 Remove the Syscon PCB in the direction of arrow A Remove the 2 screws 2 Unlock the 2 supports 3 Remove the Ja...

Page 10: ...hassis Main Chassis Cassette Side L Cassette Side R Locker R Fig 2 4 2 5 CASSETTE SIDE L R Refer to Fig 2 5 Unlock the 4 supports 1 and then remove the Cassette Side L R 1 Screw Torque 5 0 5kgf cm B2 1 2 2 FLAP LEVER TAPE GUIDE R Refer to Fig 2 2 NOTE When you install the Cassette Side R be sure to move the Locker R after installing Cassette Side L Cassette Side R 1 1 1 Locker R 1 Fig 2 5 Move the...

Page 11: ...supports 2 and remove the Tension Band Ass y Unlock the support 3 and remove the Tension Holder Remove the SS Brake Spring Remove the SS Arm Brake 1 2 3 4 5 6 7 8 1 2 1 Loading Motor Ass y Link Lever Main Chassis Screw Torque 5 0 5kgf cm Fig 2 7 2 8 SENSOR COVER L3 Refer to Fig 2 8 Unlock the support 1 and remove the Sensor Cover L3 1 Deck PCB BOT Link Ass y B Dumper Spring 3 3 1 2 2 Tension Adjus...

Page 12: ... 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 5kgf cm B2 3 Fig 2 12 B 2 13 A C HEAD Refer to Fig 2 13 ...

Page 13: ...stan DD Unit 1 2 3 Screw Torque 5 0 5kgf cm Fig 2 16 2 17 MIDDLE GEAR MAIN CAM Refer to Fig 2 17 A Remove the Polyslider Washer 1 then remove the Middle Gear Remove the E Ring then remove the Main Cam P5 Cam and Pinch Roller Cam Remove the Polyslider Washer 2 then remove the Joint Gear 1 2 3 Capstan DD Unit Capstan Belt 1 1 1 Fig 2 18 1 Clutch Ass y Ring Spring Coupling Gear Clutch Lever 2 2 B2 4 ...

Page 14: ...ve the Loading Gear Spring 2 When you install the Clutch Actuator install as shown in the circle of Fig 2 19 C Refer to Fig 2 19 C Fig 2 19 C Clutch Actuator NOTE Do not touch the roller of Guide Roller B2 5 Fig 2 20 Loading Gear Holder Inclined T P4 Cover Guide Roller Inclined S 1 2 3 4 4 Guide Roller 2 20 INCLINED S T ASS Y Refer to Fig 2 20 Unlock the support 1 and remove the P4 Cover Remove th...

Page 15: ...of the Anode with the tip of the Screwdriver A cracking noise will be heard as the voltage is discharged 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 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 op...

Page 16: ...DEFLECTION YOKE Refer to Fig 4 1 1 2 3 4 5 Loosen the screw 1 Remove the Convergence Purity Magnet in the direction of arrow A Loosen the screw 2 Remove the 3 Wedges Remove the Deflection Yoke in the direction of arrow B Wedge Wedge Deflection Yoke Convergence Purity Magnet 2 1 A B Fig 4 1 INSTALLATION Install new Deflection Yoke in reverse steps of REMOVAL NOTE After adjusting the purity and the ...

Page 17: ...or 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 SIF SO SOL SP STB SW ...

Page 18: ...stor 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 KEY TO ABBREVIATIONS ...

Page 19: ...pressing the ATR button for more than 2 seconds during PLAY VOL MIN 5 POWER ON total hours and PLAY REC total hours are displayed on the screen Refer to the PREVENTIVE CHECKS AND SERVICE INTERVALS CONFIRMATION OF USING HOURS Can be checked of the INITIAL DATA of MEMORY IC Refer to the NOTE FOR THE REPLACING OF MEMORY IC VOL MIN 6 VOL MIN 1 Initialization of the factory NOTE Do not use this for the...

Page 20: ...place when rolling becomes abnormal Clean the Head 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 1 2 3 Set the VOLUME to minimum Press both VOL DOWN button on the set and the Channel button 6 on the remote control for more than 2 seconds After the confirmation of using hours turn off the power INIT 00 83 0010 0003...

Page 21: ...the same manner Refer to the figure below Audio Control Head 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in isopropyl alcohol Hold it to the cylinder head softly Turn the cylinder head counterclockwise to clean it in the direction of the arrow Refer to the figure below NOTE...

Page 22: ...or STOP button on the remote step through the ADDRESS until required ADDRESS to be changed is reached Press ENTER to select DATA When DATA is selected it will blink Again step through the DATA using PLAY or STOP button until required DATA value has been selected Pressing ENTER will take you back to ADDRESS for further selection if necessary Repeat steps 3 to 6 until all data has been checked When ...

Page 23: ... speed model JG002B JG002E JG002F JG005 VSR Torque Brake Torque S Reel T Reel Ass y Brake Torque T Reel Ass y VSR Torque Brake Torque S Reel JG100A JG022 JG024A Reel Disk Height Adjustment Playback Torque Back Tension Torque During Playback JG153 X Value Adjustment Guide Roller Adjustment For 2 head 2 speed model VHS Alignment Tape JG001C JG001D JG001V VP S LI6 VP S CO1 VP S X6 3 3 2 2 2 3 For 2 h...

Page 24: ...ight Adjustment Jig JG024A A Cut Position Fig 1 2 B B Tension Adjust 1 3 CONFIRMATION OF PLAYBACK TORQUE AND BACK TENSION TORQUE DURING PLAYBACK Load a video tape E 180 recorded in standard speed mode Set the unit to the PLAY mode Install the tentelometer as shown in Fig 1 3 Confirm that the meter indicates 20 2gf in the beginning of playback 1 2 USING A CASSETTE TYPE TORQUE TAPE JG100A 1 2 3 Afte...

Page 25: ...tory Adjustment is not necessary as usual When you replace the parts of the tape running mechanism because of long term usage or failure the confirmation and adjustment are necessary 2 1 GUIDE ROLLER Playback the VHS Alignment Tape JG001C or JG001E Refer to SERVICING FIXTURE AND TOOLS Connect CH 1 of the oscilloscope to TP4002 Envelope and CH 2 to TP4001 SW Pulse Press and hold the Tracking Auto b...

Page 26: ...djust the Guide Roller Refer to item 2 1 Confirm and adjust the Audio Control Head Refer to item 2 2 Connect CH 1 of the oscilloscope to TP4002 CH 2 to TP4001 and CH 3 to HOT side of Audio Out Jack Playback the VHS Alignment Tape JG001U or JG001V Refer to SERVICING FIXTURE AND TOOLS Press and hold the Tracking Auto button on the remote control for more than 2 seconds to set tracking to center Set ...

Page 27: ...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 28: ...he VOL DOWN button on the set and the channel button 3 on the remote control simultaneously until the indicator REC disappears When the REC indicator is blinking press both VOL DOWN button on the set and the channel button 4 on the remote control simultaneously and adjust the Tracking button until the arising to the down of Head Switching Pulse becomes 6 5 0 5H Refer to Fig 2 1 A B Press the Track...

Page 29: ...el button 1 on the remote control to select H V The Fig 2 4 appears on the display Press the channel button 3 on the remote control to select V SIZE 50 60 Press the PLAY or STOP button on the remote control until the rectangle on the center of the screen becomes square Receive a broadcast and check if the picture is normal Receive the cross hatch signal of NTSC Audio Video Input Press the AV butto...

Page 30: ...ears on the display Press the channel button 4 on the remote control to select OSD H Press the PLAY or STOP button on the remote control until the difference of A and B becomes minimum Refer to Fig 2 5 TV OSD H A B Fig 2 5 2 14 SUB BRIGHTNESS 1 2 3 4 5 6 7 Receive the monoscope pattern RF Input Using the remote control set the brightness to minimum position and contrast to maximum position Activat...

Page 31: ...ELECTRICAL ADJUSTMENTS D2 4 TU601 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE VCR SECTION TP4002 TP4001 CP603 J4501 SYSCON PCB IC601 L608 TP1001 ...

Page 32: ...ELECTRICAL ADJUSTMENTS D2 5 TV SECTION MAIN PCB FB401 FOCUS VOLUME SCREEN VOLUME CRT PCB TP801 T502 J801 TP401 VR502 VR501 T501 VR402 ...

Page 33: ...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 34: ... OPERATION 49 48 6 1 4 3 L608 3 PUMP UP THERMAL PROTECTION 5 7 13 ABL MICON OPERATION PLL P2C TEXT_Y Q806 BLUE AMP Q805 Q804 GREEN AMP RED AMP B_OUT G_OUT R_OUT 3 Q601 AMP VIF SP351 SPEAKER SOUND AMP IC IC351 AN7511 8 1 2 7 J351 HEAD PHONE 6 2 1 5 Q605 BUFFER TV_POWER_H E 1 E 2 T TEXT SYNC T TEXT AC IN F501 7 10 2 T501 IC506 TLP621 D4 GR LF2 FEED BACK Q501 DC POWER SW VR502 Q503 Q518 PROTECTOR 5 3...

Page 35: ... P YLPF FBC ALC MAIN EMPH CARRIER OFFSET W C DC F0 DEV ADJ S DET Q4006 BUFFER 88 87 89 86 H A M P 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 Q4501 Q4502 BUFFER D4510 D4511 L4005 1 3 6 Q4004 Q4005 FE HEAD 4 ENV DET H SW MICON OPERATION SDA SCL VCR_A_MUTE V REC_ST_H CTL CTL CYL CP4001 3 2 4 SP COM SP CH2 L SP CH1...

Page 36: ... H CTL V REC_ST_H SDA TEXT_Y VD G OUT B OUT R OUT Q1014 TV POWER SW TV_POWER_H 89 VCR_MUTE VCR_A_MUTE 105 VIDEO H SW H SW 91 TUNER_MUTE TU_AUDIO_MUTE_H 43 REMOCON IN 3 1 OS1001 AT 5V D4205 D4203 D4204 35 TUNER_AGC 24 VIDEO_ENV TUNER_AGC ENV_DET Q1016 HD SW Q1015 VD SW TV 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 EX...

Page 37: ... 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 OPERA...

Page 38: ... 30V 3 1 5V REG IC IC1005 KIA7805API P CON 5V_B 3 1 5V REG IC IC1004 KIA7805API P CON 5V POWER BLOCK DIAGRAM E 9 E 10 VCR_POWER H Q1008 Q1018 P CON SW 3 1 P CON 9V 9V REG IC IC1003 KIA7809API MOTOR 12V T REC_LED REC_LED P CON SW Q1012 Q1013 MICON OPERATION ...

Page 39: ... D524 R517 Q501 Q518 D502 D512 W016 D527 D530 R533 R519 D519 D520 R532 Q507 D529 D523 Q506 R513 R516 R529 R536_1 W027 W803 J801 CP803B CP801_1 CP850 R805 R810 R802 S801 Q806 Q804 Q805 R820 R807 R808 R816 R814 R815 R813 R811 L801 TP801 TP802 TP803 C809 C810 C811 C805 C801 R553 C411 R424 R535 Q406_1 W030 CP401 Q402 W040 C421 W815 D401 Q509 C423_1 R528 C509 D539 W819 R411_1 R512 Q511 R523 IC401 W029 ...

Page 40: ...180 W203 W090 W091 W084 W088 W152 W076 C1070 W193 C1102 L4004 W105 W109 W087 W035 W110 W111 W287 W812 C1016 W191 W194 W189 W195 C4015 C4017 C1042 R1081 D863 C636 L4013 L4002 L4015 L4009 L605 L4003 L4006 W120 C4108 W856 W154 W130 W119 CD653 D854 W201 W202 D1021 W148 W085 W086 W081 W156 W158 W165 W170 W279 D4503 D605 W295 W137 C632 W264 W243 W113 W133 CP1005_1 CP1006 CP351 C628 C867 C865 C895 C862 W...

Page 41: ...C1015 R1027 C1019 C1018 R1022 Q1006 C1072 C1071 C1073 R4057 Q1014 R1039 Q1021 C1057 R4012 R4013 Q4003 R1041 R1040 R1045 R1044 C1017 C1014 R1049 R1051 C1025 C1024 IC1006 R1082 W132 R1008 C1007 R1004 C1006 R1029 W293 R653 R648 W288 W248 R641 R614 Q603 Q604 C682 C621 R680 C685 R669 R4053 Q4007 C4107 R4520 R4538 R4532 C4503 C4033 R668 R665 R4052 R4055 R4054 C668 C4101 R4506 R4505 R632 R664 R633 R616 R...

Page 42: ...98 99 X4001 4 433619MHz CP4004 TMC T02X E1 1 2 CP4005 IMSA 9604S 06Z13 1 2 3 4 5 6 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D4003 RB721Q L4001 2623003 15 6KHz TRAP 1 2 3 4 6 SDA SCL H SW 2FSC_A ENV_DET P CON 5V D V_SYNC Y C_VIDEO TU_VIDEO TU_AUDIO Y C_AUDIO Y C_VIDEO GND Y C_AUDIO P CON 9V P CON 5V FRONT_VIDEO FRONT_AUDIO REAR_VIDEO REA...

Page 43: ... CP1001 52287 0211 1 2 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D1012 1SS133 D1011 1SS133 D1015 1SS133 D1014 1SS133 D1001 1N4005 EIC D1004 1N4005 EIC D1016 1SS133 D1017 1SS133 D1002 1SS133 D1006 SB140 EIC D1010 SB140 EIC CAUTION DIGITAL TRANSISTOR SDA SCL VV H RESET CAP_F R AT 5 6V EXT_IN_L CAP_LIMIT TEXT_RESET CONTROL_IN D V_SYNC SDA S...

Page 44: ... C1042 1000 16V YK C1029 470 6 3V YK C1033 470 6 3V YK C1037 1000 16V YK R1106 820 R1107 1K R1109 5 6K R1105 2 7K R1104 1 5K R1103 1K R1102 820 R1108 1 5K R4207 68 1 2W R4023 68 1 2W R1101 100 1 4W R1054 270 R1052 270 R1065 270 R4202 75 R1085 100 1 4W R1081 820 1 4W R1036 1K 1 4W R1068 1K 1 4W R1073 820 1 4W R1075 10K 1 4W R1076 330 1 2W R1069 220 1 4W C1103 100P CH C1101 0 1 B C4204 0 001 B C4203...

Page 45: ...0 01 B C617 0 22 TF C644 0 001 B C647 100P CH C657 0 1 B C685 0 001 B C681 0 1 B C635 100P CH C683 100P CH C639 10 16V KA C658 100 6 3V KA C605 2 2 50V KA C651 10 16V KA C619 1 50V KA C645 1 50V KA C667 0 1 50V KA C613 10 16V KA C612 10 16V KA C611 10 16V KA C656 220 10V YK L610 2 2uH L603 15uH L604 0 22uH L606 2 2uH X601 4 433619MHz CF602 MKT41 5MA110P FILTER CERAMIC TRAP OF PRINTING AND SUBJECT ...

Page 46: ...RED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS W819 C351 3 3 50V KA C363_1 1000 16V YK C353_1 1000 16V YK C352 47 16V KA C354 1000 16V YK C355 10 16V KA C357 1000 16V YK R357 100K R352 4 7K R355 10K 1 4W R351_1 4 7K R353_1 68K C356 0 0033 B CP351 B2B EH A 1 2 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME SP_OUT SOUND SOUND_...

Page 47: ...62 0 1 MMTV C896 0 022 B C890 15P CH C887 220P CH C859 330P CH C893 56P CH C851 0 01 B C866 0 01 B C861 0 01 B C885 330P CH C895 0 1 TF C886 15P CH C869 220P CH C868 0 022 B C855 0 01 B C853 0 022 B C889 0 1 F C884 0 01 B C879 220 6 3V KA C856_1 470 6 3V YK L851 10uH X851 13875KHz OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D861 1SS133 D85...

Page 48: ...0 150 C4510 0 01 B C4516 470PCH C4515 470PCH C4505 0 018 B C4503 1 F C4511 470P CH C4502 1 F C4506 100 16V KA C4508 1 50V KA C4522 10 16V KA CP4501 IMSA 9604S 04Z14 1 2 3 4 CP4504 IMSA 9604S 04Z14 1 2 3 4 L4504 10uH L4503 10uH OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D4510 1SS133 D4511 1SS133 D4512 1SS133 D4503 1SS133 21_Y 21_B 21_G 21_...

Page 49: ... C529 2 2 50V YK C540 100 160V MHE C535_1 1000 16V YK R532 390 1 4W R518 100 1 4W R539 1K 1 4W R506 2 2K 1 4W R503 5 6K 1 4W R527 1K 1 4W R533 4 7K 1 4W R554 27K 1 4W R553 12K 1 4W R502 47 1 4W R524 2 2 1 4W R513 470 1 4W R519 3301 4W R517 1K 1 4W R512 12K 1 4W R523 3 3K 1 4W R535 150K 1 4W R531 8 2K 1 4W R521 68K 1 4W R522 75K 1 4W R529 2 7K 1 4W R508 12K 1 4W R510_1 1 5M 1 2W R516 100 1 4W R520 ...

Page 50: ...826 W827 W814 W819 W813 W815 W812 W818 W839 Q405_1 2SC2271 H DRIVE Q471 2SC2909 SWITCHING C406 100 35V MHE C422 1 250V MHE C408 4 7 50V YK C403 10 50V YK C407 1000 25V YK C405 4 7 50V YK R403 2 7K 1 4W R490 47K 1 4W R453 220K 1 4W R460 100 1 4W R454 150K 1 4W R425 220K 1 2W R424 2 2K 1 4W R423 18K 1 4W R429 10K 1 4W R427 8 2K 1 4W R428 2 7K 1 4W R426_1 4 7K 1 4W R456 4 7K 1 2W R471 10K 1 4W R472 2...

Page 51: ... SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION TP801 TP802 TP803 Q804 2SC3415 RED AMP Q805 2SC3415 GREEN AMP Q806 2SC3415 BLUE AMP R807 2 7K 1 2W R808 2 7K 1 2W R820 2 7K 1 2W R811 470 1 4W R812 470 1 4W R813 470 1 4W R821 470 1 4W R816 2 2K 1 4W R815 2 2K 1 4W R814 2 2K 1 4W C805 100P B C809 330P B C810 330P B C811 470P B C801 0 001 2KV YR C803 22 160V MHE CP803B 51052 0400 1 2 3 4 L801 100...

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 G 22 G 21 DECK PCB DECK SCHEMATIC DIAGRAM FROM TO MICON VE8851 PCB...

Page 53: ...D CD4502 NC SP_COM FFC CAP M F R MOTOR_GND CRT B CRT SOCKET J801 9 8 7 6 5 4 3 FOCUS SCREEN CRT B CP551 CD552 SOUND_GND SP_OUT CD4501 HEADPHONE JACK CP1004 1 2 3 FROM TM101 TO COMMAND TRANSMITTER TM101 Vout B GND GND MOTOR_GND MOTOR_GND VMX207 GND 2 1 H5002 FULL ERASE HEAD ASS Y FE HEAD HOT FE HEAD GND FFC NC NC NC TU601 TUNER PACK IF 30V 5V SDA SCL AGC U IN 11 10 1 3 5 6 7 8 9 2 4 DEW DEW FE HEAD...

Page 54: ...n 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 16 POWER ON 200mV 10µs div ...

Page 55: ...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 21PIN IN OUT 31 POWER ON 0 5V 10µs div 17 POWER ON 50mV 1ms div ...

Page 56: ...s 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 SOUND AMP 46 REC 0 5V 0 5ms ...

Page 57: ...The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE WAVEFORMS H 4 47 POWER ON 200mV 50ns div T TEXT ...

Page 58: ... 1 120 215 215 215 215 121 214 201 PCB110 CRT PCB J801 216 216 216 216 L508 V801 123 108 211 203 206 128 129 203 126 203 PCB070 MAIN PCB FB401 210 211 A 109 109 206 203 105 206 130 101 SP351 112 119 B 110 118 116 131 113 207 134 ...

Page 59: ...MECHANICAL EXPLODED VIEW I 2 208 208 208 201 104 TU601 132 204 202 111 115 102 103 127 203 203 A 201 201 124 213 212 125 117 PCB010 SYSCON PCB 204 114 133 B 107 122 205 106 209 109 109 209 109 109 ...

Page 60: ...09 329 330 502 502 PCB550 DECK PCB ASS Y 303 AA AD AD AD AD AA AD AD AA AA AB AB AD AD BA AA 352 503 503 367 501 356 317 369 309 355 Applying positions AA AB AC AD and BA for the grease or oil are displayed for this section Check if the correct grease or oil is applied for each position NOTE PART NO CLASS MARK GREASE G 555G AA G 488M AB MG 33 AD FL 721 AC FL OIL No 6115 BA OIL 300 505 334 AA UN400...

Page 61: ...AA AA AD AD AA AA AA AA AA AC AA 307 354 326 327 322 513 350 308 337 AA 325 AD AA AD NOTE Applying positions AA AB AC AD and BA for the grease or oil are displayed for this section Check if the correct grease or oil is applied for each position PART NO CLASS MARK GREASE G 555G AA G 488M AB FL 721 AC FL OIL No 6115 BA OIL MG 33 AD 300 ...

Page 62: ...K 130 753WSA0133 SHIELD TV MAIN PCB 131 735WPAA261 BUTTON BASE 132 752WSA0209 SHIELD CASE HEAD AMP 133 761WPAA049 HOLDER BUSH 134 711WPCA019 BADGE BRAND 201 8110630A04 SCREW TAP TITE P BRAZIER 3x10 202 8110330804 SCREW TAP TITE P FLAT 3x8 203 8109I30A04 SCREW TAP TITE B WH7 3x10 204 8117540B04 SCREW TAPPING B0 TRUSS 4x20 205 8110630604 SCREW TAP TITE P BRAZIER 3x6 206 8109630802 SCREW TAP TITE B B...

Page 63: ...8001 MOTOR LOADING MXN13FB11H M2001 1594J98009 CAPSTAN DD UNIT EP15BD 320 85OA400178 PINCH ROLLER LEVER ASS Y M2003 1589V11007 MICRO MOTOR EP14BD 321 85OA600196 BRAKE T ASS Y S PCB550 A545C9P550 DECK PCB ASS Y VE8851 322 85OA600191 CAP BRAKE ASS Y S Q101 0000700320 TRANSISTOR PHOTO RPT 38PB113 323 85OA900213 LINK ASS Y UN4001 A4D120B500 CYLINDER UNIT ASS Y A4D120B500 324 85OA900216 LINK LEVER ASS ...

Page 64: ... 0 0022UF 250V D857 D1VT001330 DIODE SILICON 1SS133T 77 C521 P2122B224M CMP 0 22 UF 250V ECQUL D858 D1VT001330 DIODE SILICON 1SS133T 77 C523 CB3930M13M CC 0 001 UF 250V D859 D1VT001330 DIODE SILICON 1SS133T 77 C525 C0JLYR7W2K CC 820 PF 2KV YR D860 D1VT001330 DIODE SILICON 1SS133T 77 C527 C0JTB05N3K CC 0 0039UF 500V B D861 D1VT001330 DIODE SILICON 1SS133T 77 C528 E5EZFB101M CE 100 UF 160V D863 D2WX...

Page 65: ...UH Q608 TAYT0933S0 TRANSISTOR SILICON 2SA933STP R S L4005 0316260088 COIL BIAS OSC 1626008 Q609 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S L4006 02167D102K COIL 1 MH Q610 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S L4008 021673102K COIL 1 MH Q804 TCYT034150 TRANSISTOR SILICON 2SC3415T93 N P L4009 02167D101K COIL 100 UH Q805 TCYT034150 TRANSISTOR SILICON 2SC3415T93 N P L4011 021LA6120K COIL ...

Page 66: ...ACITOR CD552 06CPU2012A CORD CONNECTOR CPU2012A CMP METAL POLYESTER CAPACITOR CD653 06CH01408A CORD EIS CONNECTOR CH01408A CMPL METAL PLASTIC CAPACITOR CD654 06CH014301 CORD CONNECTOR CH014301 CMPP METAL POLYPROPYLENE CAPACITOR CD801 068M82025A CORD CONNECTOR 8M82025A CD803 122E042705 CORD JUMPER 2E042705 CD810 06CH28110A CORD CONNECTOR CH28110A CD820 06CH2B026A CORD CONNECTOR CH2B026A CD850 06CH2...

Page 67: ...M547 B8B W125506 SPEC NO O R NO ...

Page 68: ...CB from the VCR Block Connect as shown in the below figure using the Service Fixture Connect the Syscon PCB to the Main PCB with the cable JG162A and JG162F Connect the Syscon PCB to the CRT PCB with the cable JG162Y Remove the Operation PCB from the set then connect it with the Syscon PCB If necessary connect CP351 Short circuit between TP1001and GND with the cable JG154 The EOT BOT and Reel Sens...

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