Roadstar TLV-1081XT Скачать руководство пользователя страница 34 | Manualshive

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ELECTRICAL ADJUSTMENTS

3. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE

(VCR SECTION)

SYSCON PCB

L608

CP603

TP1001

TP4002

TP4001

TP4501

IC601

TU601

J4501

D2-4

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Содержание TLV-1081XT

Страница 1: ...SERVICE MANUAL Design and specifications are subject to change without notice COLOR TELEVISION VIDEO CASSETTE RECORDER ORIGINAL MFR S VERSION B TLV 1081XT...

Страница 2: ...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 su...

Страница 3: ...UIT BOARDS MAIN CRT 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 OPERATION DECK INTERCONNECTION DIAGRAM WAVEF...

Страница 4: ...65mm 1 2 Inch VHS C type video cassette tape Width 12 65mm 1 2 Inch G 9 Tape Speed NTSC or PAL M PAL or SECAM SP 33 35 mm sec SP 23 39 mm sec LP 16 67 mm sec LP 11 69 mm sec SLP 11 12 mm sec G 10 Reco...

Страница 5: ...und Yes NICAM GERMAN USA JAPAN No G 20 Video Signal Input Level 1 Vp p 75 ohm Output Level 1 Vp p 75 ohm S N Ratio 53 dB Weighted Horizontal Resolution at SP Mode 240 Lines G 21 Audio Signal Input Lev...

Страница 6: ...System G 30 Tape Counter Linear Time Tape Counter G 31 Protector Power Fuse Dew Sensor G 32 Regulation Safety UL CSA SAA SI CE SEV BS NF NEMKO FEMKO DEMKO IEC65 SEMKO NZ HOMOLO SABS CNS SISIR NOM AS31...

Страница 7: ...On Screen Display Menu ATS Timer Rec Set Ch Set up Auto Tuning Ch Mapping Ch Tuning CH Allocation TV Set up On Off Timer Set Audio Picture Tuning Mode VCR Set up Auto Repeat On Off System Select Scena...

Страница 8: ...ish Channel Film Dew Caution Sheet Remote Control Unit AC Plug Adaptor U V Mixer Quick Set up Sheet Rod Antenna One Pole Two Pole F Type DIN Type France Type Loop Antenna F Type DIN Type France Type D...

Страница 9: ...BV 0 25G BV 0 50G BH 0 15G BH 0 15G BH 0 30G G 48 Remote Control Unit RC CH Glow in Dark Remocon Yes No Power Source D C 3 V Battery UM 4 x 2 Total 36 Key 0 AV Ch Tr Page Up Power 1 Ch Tr Page Down Ej...

Страница 10: ...et Back Cabinet 4 3 1 1 1 2 1 3 2 1 2 CRT PCB Refer to Fig 1 2 1 2 3 Remove the Anode Cap Refer to REMOVAL OF ANODE CAP Disconnect the following connectors CP801 and CP850 Remove the CRT PCB in the di...

Страница 11: ...SCON PCB Refer to Fig 1 7 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...

Страница 12: ...3 B 2 4 CASSETTE HOLDER ASS Y Refer to Fig 2 4 Move the Cassette Holder Ass y to the front side Push the Locker R to remove the Cassette Side R Remove the Cassette Side L 1 2 3 Main Chassis Main Chass...

Страница 13: ...Tension Adjust Unlock the 2 supports 3 and remove the Tension Band Ass y Unlock the support 4 and remove the Tension Holder 1 2 3 4 5 6 7 Tension Holder 4 2 Tension Adjust Tension Band Ass y Tension A...

Страница 14: ...C HEAD Refer to Fig 2 13 A Remove the screw 1 Remove the A C Head Base Remove the 3 screws 2 Remove the A C Head and A C Head Spring 1 2 3 4 NOTE Do not touch the A C Head Use gloves When you install...

Страница 15: ...NIT ASS Y Refer to Fig 2 15 Unlock the support 1 and remove the AHC Ass y Remove the 3 screws 2 Remove the Cylinder Unit Ass y 1 2 3 When you install the Cylinder Unit Ass y tighten the screws from 1...

Страница 16: ...ver Loading Arm T Ass y Loading Gear S LED Reflector Fig 2 19 A NOTE 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 Loading Ar...

Страница 17: ...f the Anode with the tip of the Screwdriver A cracking noise will be heard as the voltage is discharged DISASSEMBLY INSTRUCTIONS 3 After one side is removed pull in the opposite direction to remove th...

Страница 18: ...EFLECTION 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 d...

Страница 19: ...op 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...

Страница 20: ...or Separation Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor...

Страница 21: ...ion 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...

Страница 22: ...bber and parts which the rubber touches Replace when rolling becomes abnormal Clean the Head CONFIRMATION OF USING HOURS POWER ON total hours and PLAY REC total hours can be checked on the screen Tota...

Страница 23: ...zontally Clean the full erase head in 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...

Страница 24: ...unplug AC cord and allow at least 30 minutes before Power On or alternatively discharge backup capacitor 3 4 5 6 7 8 The unit will now have the correct DATA for the new MEMORY IC 1 2 Fig 1 ADDRESS is...

Страница 25: ...ntelometer JG162C Cable 10 Pins JG162D Cable 11 Pins JG162Y Cable 5 Pins JG154 Cable JG001V X Value Adjustment For 2 head 2 speed model JG002B JG002E JG002F JG005 VSR Torque Brake Torque S Reel T Reel...

Страница 26: ...ect 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 Front A V Jack Input Terminal Short circuit...

Страница 27: ...ack in SP mode Tentelometer Video Tape Guide Roller P1 Post Fig 1 3 D1 1 CONFIRMATION AND ADJUSTMENT OF REEL DISK HEIGHT 1 1 1 2 3 4 Turn on the power and set to the STOP mode Set the master plane JG0...

Страница 28: ...pring 2 CONFIRMATION AND ADJUSTMENT OF TAPE RUNNING MECHANISM Tape Running Mechanism is adjusted precisely at the factory Adjustment is not necessary as usual When you replace the parts of the tape ru...

Страница 29: ...ust 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 Play...

Страница 30: ...RTS LOCATION GUIDE 1 2 3 4 5 6 7 8 9 11 10 12 7 8 9 10 11 12 P4 Post T Brake Spring T Reel Ass y Idler Ass y S S Brake Spring S Reel 1 Tension Adjust 2 Tension Arm 3 Guide Roller 4 P1 Post 5 Audio Con...

Страница 31: ...nnect CH 1 on the oscilloscope to TP4001 and CH 2 to TP4501 Playback the alignment tape JG001C Press and hold the Tracking Auto button on the remote control more than 2 seconds to set tracking to cent...

Страница 32: ...nt 7 and 8 until the white color is looked like a white Fig 2 3 1 AKB AUTO 2 R BIAS 3 G BIAS 4 B BIAS 5 R DRIVE 6 G DRIVE 7 B DRIVE 8 AGC AUTO 0 RETURN 2 9 SUB BRIGHTNESS 1 2 3 4 5 6 7 Receive the mon...

Страница 33: ...Y or STOP button on the remote control until the horizontal over scan is equal to the vertical over scan 2 13 VERTICAL LINEARITY 1 2 3 4 5 Receive the monoscope pattern Using the remote control set th...

Страница 34: ...ELECTRICAL ADJUSTMENTS 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE VCR SECTION SYSCON PCB L608 CP603 TP1001 TP4002 TP4001 TP4501 IC601 TU601 J4501 D2 4...

Страница 35: ...ELECTRICAL ADJUSTMENTS TV SECTION CRT PCB D2 5 MAIN PCB TP401 T502 T501 FOCUS VOLUME SCREEN VOLUME VR502 VR501 TP801 J801 FB401...

Страница 36: ...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 magne...

Страница 37: ...49 48 6 1 4 3 L608 L508 DEGAUSS COIL 3 6 Q402 DRIVER Q401 DEGAUSS SW PUMP UP THERMAL PROTECTION 2 7 13 ABL MICON POWER OPERATION DECK PLL P2C AC IN RECTIFIER F501 Q501 103V SW Q502 103V DRIVE Q503 B...

Страница 38: ...D AE HEAD CTL Q4001 REC ST SW CTL CTL 8 L4001 15 6KHz TRAP 3 2 19 6 16 J4501 Q4006 BUFFER TU_VIDEO TU_AUDIO Y C_AUDIO Y C_VIDEO TV 92 99 VCR_A_MUTE 81 H SW 5 1 6 4 Q4003 V REC ST SW V REC_ST H Y C AUD...

Страница 39: ...M SCL SDA_A SCL_A CTL VCR_A_MUTE CTL V REC_ST H SDA VD AFT_M HD TV CAPSTAN DD UNIT MICRO MOTOR TV HD SW Q1021 VCR POWER SW TV_POWER H VV H H SW VCR_POWER H TV EXT_IN_L Q4201 POWER ON SW E 5 E 6 P CON...

Страница 40: ...C IC852 ET317 2 3 4 9 10 11 12 13 14 15 17 5 Q863 MICON POWER OPERATION DECK 23 22 20 17 15 13 10 4 3 2 3 6 OSC2 OSC1 SSIG CSIG AGND TADATA TCLK SYNC WIND VIDEO TDATA TCLK CSB WIND RED GREEN BLUE BLAN...

Страница 41: ...23 R456 D401 C412 W025 W026 B503 Q512 R507 R522 C532 C551 Q503 D508 C548 W027 W028 B502 W030 C511 C440 W031 C409 TP401 C535 T401 R422 CP801 CP501 S801 W032 R509 RY503 R534 Q517 R553 VR501 R552 R554 CP...

Страница 42: ...702 W003 W004 D794 R774 R754 D791 W005 D793 R793 C755 W006 W007 SW798 SW799 SW796 SW797 SW751 SW794 SW791 SW793 SW795 SW792 W008 W009 R766 R760 C779 W012 R794 CD351_2 W014 W011 W002 W001 W013 W015 C35...

Страница 43: ...080 W068 W099 W090 W261 R623 C4064 W113 W118 L4016 W086 W088 W030 W029 W028 W252 W867 Q1011 R1036 W166 W170 R615 W167 W173 W168 D4002 W054 W143 W182 W211 W111 W829 W830 C667 X601 X4001 W036 W032 W027...

Страница 44: ...R352 R357 R854 R862 Q4003 R4013 R4012 C657 R864 R868 Q863 R863 R1078 R1084 R1081 R1062 C1053 R1063 C1044 Q1015 Q1016 C1055 R1013 C1039 R1059 C1035 C1038 R1032 Q4509 C643 R655 R652 R4201 R1033 C1006 R4...

Страница 45: ...THE DC VOLTAGE AT EACH PART WAS D4001 MTZJ6 8B D4002 MTZJ6 8B Q4003 DTA124EKA V REC ST SW L4005 1626008 COIL BIAS OSC 1 2 3 4 5 6 CAUTION DIGITAL TRANSISTOR TP4001 JWF 50K 1 H SW TP4002 JWF 50K 1 V EN...

Страница 46: ...0 W828 W894 W811 W833 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS D1016 MTZJ6 2C D1008 MTZJ5 1B D1005 RD12FB TP1001 JWF 50K 1 SERVICE S806Y S806X AT 5 6V GND...

Страница 47: ...2K R1037 1 2K R1036 1 8K C1042 1 50V KS C1033 47 35V YK C1037 220 6 3V YK C1036 330 6 3V YK C1045 1000 16V YK C1043 10 35V KS Q1006 2SC2412K P CON SW Q1012 2SC2412K CAP VCC ADJ Q1011 2SD2396 CAP MID...

Страница 48: ...2 50V KA C4513 2 2 50V KA Q4501 2SC2412K BUFFER Q4507 2SC2412K PERI SW Q4509 2SC2412K AMP Q4505_1 2SC2412K MUTE SW Q4510 2SC2412K Y SW Q4511 2SC2412K Y SW W885 W843 W860 W907 W867 W818 W859 W863 W855...

Страница 49: ...R679 560 C652 1 50V KA C669 10 50V KA C634 4 7 50V KA C614 220 10V KS C675_1 220 10V RZ C642 1 50V KA C635 10 16V KA C663 100 16V KA C674 100 6 3V KA C626 0 47 50V KA C632 1 50V KA C622 3 3 50V KA C62...

Страница 50: ...1 2 C356 0 033 B R352 10K R353 68K R351 270 R355 47K R357 100K C354 470 25V YK C351 1 50V KA C352 47 16V KA C355 10 16V KA W830 W875 W829 W831 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE...

Страница 51: ...3 3 3 50V KA C873 100 16V KA C872 100 16V KA C854 470 6 3V YK C857 100 16V YK C852 100 6 3V YK C874 100 16V KA C863 22 16V KA Q853 2SC2412K SYNC BUFFER Q862 2SC2412K BLK BUFFER Q852 2SC2412K GREEN BUF...

Страница 52: ...10V YK C521 100 160V PR C540_1 22 160V YK C524_1 220 25V ZL C532 470 16V YK C515 1500 25V ZL C551 1500 25V ZL C526 1000 10V MHE C507 100 400V USP C548 0 001 250V KX C550 0 0022 500V B C529 0 001 250V...

Страница 53: ...60V MHE C421_1 1000 35V MHE C417 560P 500V B C416 22P 500V SL C430 0 001 2KV BP C409 0 0056 M C438 680P 500V B C440 0 0033 M C423_2 0 68 250V ECWF C402 0 001 M C411 0 1 100V TF C429_2 470P 2KV B C434_...

Страница 54: ...Y CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION CP850_1 8283_0512_00_000 1 2 3 4 5 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT...

Страница 55: ...57 CH2A014A 1 10 2 3 4 5 6 7 8 9 DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST O...

Страница 56: ...ION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE...

Страница 57: ...ET F 1 7 4 5 6 9 8 3 MAIN PCB SOUND_GND SP_OUT VIDEO IN GND GND GND R G B SW RED GND NC NC GND GREEN GND AUDIO IN AUDIO IN BLUE GND GND TUNER VIDEO OUT PERI CTL TUNER AUDIO OUT TUNER AUDIO OUT CUT_OFF...

Страница 58: ...0ms div The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE WAVEFORMS 1 5V 0 1ms div 7 20V 20 s div 12 PB 10mV 5ms div TV POWER 3 0 5V...

Страница 59: ...ON 50mV 1ms div 22 POWER ON 1V 20 s div 27 PB 1V 0 5 s div 18 POWER ON 1V 1ms div 28 PB 0 5V 10 s div 23 POWER ON 2V 20 s div 19 REC 10V 5 s div 24 POWER ON 2V 5ms div 29 PB 2V 20 s div 20 REC 10V 5 s...

Страница 60: ...s div 42 POWER ON 200mV 10 s div 33 POWER ON 5mV 1ms div 38 POWER ON 0 5V 10ms div CHROMA IF 34 POWER ON 5mV 1ms div 39 POWER ON 200mV 50 s div 35 POWER ON 0 5V 20 s div 40 POWER ON 2V 50 s div 36 POW...

Страница 61: ...201 102 103 104 105 106 PCB030 OPERATION PCB B 107 PCB110 CRT PCB J801 202 202 202 202 L508 V801 108 116 115 203 208 115 203 204 206 112 110 114 205 206 111 205 PCB070 MAIN PCB 113 114 J503 FB401 208...

Страница 62: ...3 213 213 117 A 201 201 122 212 211 124 123 125 208 117 208 117 208 117 208 127 214 129 B 118 128 216 PCB010 SYSCON PCB 119 TU601 120 207 210 121 207 130 132 131 134 133 MECHANICAL EXPLODED VIEW I 2 2...

Страница 63: ...5 505 515 335 319 349 318 336 328 512 314 508 313 309 355 502 H5002 511 A M101 509 369 371 370 502 502 PCB550 DECK PCB ASS Y 303 AA AD AD AD AD AA AD AD AA AA AB AB AD AD BA AA AA 352 PART NO CLASS MA...

Страница 64: ...346 312 331 514 344 512 330 AA AA AA AA AA AD AA AA AA AA AA AA AA BA AC AA AD AD PART NO CLASS MARK GREASE G 555G AA G 488M AB MG 33 AD FL 721 AC NOTE Applying positions AA AB AC AD and BA for the g...

Страница 65: ...WPA0166 HOLDER BUSH 130 735WPA0288 BUTTON POWER 131 752WSA0149 SHIELD COVER 132 752WSA0191 SHIELD CASE 133 800WFAA005 PVC CUSHION SHEET 12x4 134 755WNA0010 SHEET PVC 201 8110630A04 SCREW TAP TITE P BR...

Страница 66: ...DING MXN13FB11H 320 85OA400178 PINCH ROLLER LEVER ASS Y M2001 1594J98007 CAPSTAN DD UNIT EP15BB 321 85OA600182 BRAKE T ASS Y M2003 1589V11007 MICRO MOTOR EP14BD 322 85OA600183 CAP BRAKE ARM ASS Y PCB5...

Страница 67: ...DE SILICON 1SS133T 77 C517 C01BBP712K CC 100 PF 2KV BP D1015 D1VT001330 DIODE SILICON 1SS133T 77 C521 E53VFB101M CE 100 UF 160V D1016 D97U06R21C DIODE ZENER MTZJ6 2C T 77 C525 C01BBP7W2K CC 820 PF 2KV...

Страница 68: ...TCHES 0002M00570 PHOTO COUPLER SG 260 SW501 0530205002 SWITCH SDDFC30400 Q1002 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S SW751 0504201T31 SWITCH TACT SKHVBED010 Q1003 0002G00550 PHOTO COUPLER GP1...

Страница 69: ...1002 06CH22076A CORD CONNECTOR CH22076A CD1005 122F051702 CORD JUMPER 2F051702 CD1006 122L040904 CORD JUMPER 2L040904 CD4005 122L061501 CORD JUMPER 2L061501 CP1001 069R220021 CONNECTOR PCB SIDE 52287...

Страница 70: ...M547 15A W065513 SPEC NO O R NO...

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