Samsung 8770C Page 42 Service Manual Download | Manualshive

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Schematic Diagrams

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Samsung Electronics

5-5 Audio/Video

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Summary of Contents for 8770C

Page 1: ...ONTENTS For mechanical disassembly and adjustment refer to the Mechanical Manual DX 9R AC68 00001A VR9070 9800C VR9060 8770C VR8070 5070 8800C VR8060 5060 3060 8770C 5770C VR8441C 8440C 5441C 5440C 3441C 3440C VR8660C 5660C 3660C TRACKING TV VCR MENU TAPE SPEED INPUT PLAY TRACKING TV VCR MENU TAPE SPEED INPUT MENU REW F F MENU SAMTRON POWER EJECT POWER REC REW F F STOP PLAY SERVICE MANUAL VR9070 8...

Page 2: ...river See Fig 2 3 When Slider S T are approached in the position of unloading rotate holder Clutch counterclockwise after inserting screw driver in the hole of frame s bottom in order to wind the unwounded tape Refer to Fig 3 If you rotate Gear Worm Wheel continuously when tape is in state of unwinding you may cause a tape contamination by grease and tape damage Be sure to wind the unwounded tape ...

Page 3: ...ot exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test 6 X ray Limits The picture tube is designed to prohibit X ray emissions To ensure continued X ray protection replace the picture tube only with one that is the same type as the original Fig 1 1 AC Leakage Test 7 Antenna Cold Check With the unit s AC plug disconnected from the AC source connect an electrical j...

Page 4: ... instrument s ground lead to the instrument chassis ground before connecting the positive lead always remove the instrument s ground lead last 17 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pinched out of place or frayed wiring Do not change the spacing between components and...

Page 5: ...as figures buttons 0 9 is available for all adjustment regardless of chassis 5 How to adjustment Intermittently short circuit the test point on Main PCB with pincets to set the adjustment mode If the corresponding adjustment button is pressed the adjustment is performed automatically If the adjustment is completed be sure to turn the power off 2 1 1 Location of adjustment button of remote control ...

Page 6: ...msung Electronics Alignment and Adjustment 2 1 2 Test point location for adjustment mode setting Fig 2 2 Main PCB Top View Short Circuit for a seconds Just one time Application Models VR9070 9060 9800C 9770C ...

Page 7: ...Alignment and Adjustment Samsung Electronics 2 3 Fig 2 3 Main PCB Top View Short Circuit for a seconds Just one time Application Models VR8070 8060 5070 5060 3060 8800C 8770C 5770C ...

Page 8: ...2 4 Samsung Electronics Alignment and Adjustment Fig 2 4 Main PCB Top View Short Circuit for a seconds Just one time Application Models VR8660C 8441C 8440C 5660C 5441C 5440C 3660C 3441C 3440C ...

Page 9: ...E 2 2 2 ACE Head Position X Point Adjustment See the 2 2 1 d ACE Head Position X Point Adjustment on page 2 2 of the Mechanical Manual 1 Playback the alignment tape Color bar 2 Intermittently short circuit the two test points on Main PCB to set the adjustment mode See Fig 2 2 2 3 and 2 4 3 Press the 5 button of remote control then adjust ment is operated automatically See Fig 2 1 4 Connect the CH ...

Page 10: ... as shown Fig 2 7 and this setting is completed 6 Turn the Power off 1 NVRAM Option is adjusted at production line basically 2 In case Micom IC601 and NVRAM IC603 EEPROM is replaced be sure to set the corresponding option number of the repaired model If the option is not set the unit is not operated MOVE SAVE MENU 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ...

Page 11: ...Samsung Electronics 3 1 3 Exploded View and Parts List 3 1 Cabinet Assembly 3 2 Mechanical Parts Top Side 3 3 Mechanical Parts Bottom Side Page 3 2 3 4 3 6 ...

Page 12: ...02A CN605B CN303B 101 155 VR8070 5070 VR8800C VR8060 5060 3060 VR8770C 5770C VR8441C 8440C 5441C 5440C VR3441C 3440C VR8660C 5660C 3660C VR9060 9770C VR9070 9800C 55 56 1 21 22 F A V JACK PCB S N A SHUTTLE PCB S N A 51 1 22 21 1 22 21 UT01 SHUTTLE V LOCK REPLAY F ADV SKIP TV VCR PREV CH R E C R E C S P E E D L I N E I N A U D I O S E A R C H E X I T C L E A R D I S P L A Y POWER EJECT CH TRK VCR T...

Page 13: ...0 AC97 00855B AC64 00147B AC64 00124B AC61 11056J AC59 00012D VR8070 AC97 00621A AC64 00177A AC64 00293A AC61 11056R AC59 00012F VR8060 AC97 00621C AC64 00333A AC64 00293A AC61 11056J AC59 00012F VR5070 AC97 00621B AC64 00177B AC64 00293A AC61 11056R AC59 00012F VR5060 AC97 00621D AC64 00333B AC64 00293A AC61 11054A AC59 00012F VR3060 AC97 00213X AC64 52169M AC64 00293A AC61 11054A AC59 00012F VR9...

Page 14: ...2 Mechanical Parts Top Side G001 K250 K248 K110 K502 K350 K330 K182 K140 K490 K530 K240 G532 G420 G450 K546 G510 B410 B440 B444 B446 B448 B452 G527 G520 G480 G680 S N A S N A S N A S N A S N A G530 K340 B473 K188 G555 G546 S N A Service Not Available S N A ...

Page 15: ...8 ZPC G546 AC66 30535A LEVER FL DOOR POM M90 44 BLK X 9 G555 AC59 90403A UNIT PINCH ASSY X 9 G680 AC66 30557A LEVER H CLEANER ASSY POM URETHANE OPTIONAL K110 AC66 10267A REEL DISK S POM M90 44 X 9 K140 AC66 10268A REEL DISK T POM M90 44 X 9 K182 AC66 30524A LEVER IDLER POM9044 K188 AC66 20577A GEAR IDLER PEBAX 7033 X 9 K240 AC66 30538A LEVER TENSION ASSY X 9 TS X 9 K248 AC61 60554A SPRING TENSION ...

Page 16: ...d View and Parts List 3 6 Samsung Electronics 3 3 Mechanical Parts Bottom Side G542 B560 B484 B458 B500 B488 B462 OPTIONAL S N A S N A S N A S N A B456 K222 K200 K225 K221 B570 B238 S N A Service Not Available ...

Page 17: ...TAP TITE PH M2 6 L5 ZPC YE B484 AC66 20580A GEAR LOADING DRIVE POM SW 01 M1 0 Z32 B488 AC66 30543A LEVER S LOAD ASSY X 9 B500 AC66 30542A LEVER T LOAD ASSY X 9 B560 AC31 00005A MOTOR CAPSTAN F2QSB02 B570 AC60 10514A SCREW CAPSTAN PH M2 6 L6 G542 AC66 60051A BELT PULLEY 5CM 70 2 2 71 3 X 9 K200 AC61 21012A HOLDER CLUTCH ASSY X 9 K221 AC66 20581A GEAR CENTER ASSY POM M O 5 HIGHT T K222 AC60 30306A W...

Page 18: ...Exploded View and Parts List 3 8 Samsung Electronics MEMO ...

Page 19: ...L OXIDE S 33Kohm 5 2W AF TP 3 9x R1SS04 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM R1SS05 2004 000869 R METAL 3Kohm 1 1 8W AA TP 1 8x3 2mm R1SS06 2004 000459 R METAL 2 2Kohm 1 1 8W AA TP 1 8x3 2m VA1SS1 1405 001026 VARISTOR 470V 600A 9x7mm TP ZD1SR1 0403 000571 DIODE ZENER UZP43B 43V 40 46V 1W DO 41 T POWER PARTS C1P101 2401 001730 C AL 10uF 20 50V GP TP 5x11 2 5 C1P103 2401 002299 C AL 4 7...

Page 20: ...29 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM R611 2007 000282 R CHIP 100KOHM 5 1 10W DA TP 2012 R612 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM R613 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M R614 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM R615 2007 000981 R CHIP 5 6KOHM 5 1 10W DA TP 2012 R616 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM R617 2007 000221 R CHIP 1 2KOHM 5 1 ...

Page 21: ...ONNECTOR FPC FC PIC 10P 1 25MM STRAIGHT CN302 3711 002445 CONNECTOR HEADER BOX 2P 2R 1 5MM STRAIGH CN303 3708 001302 CONNECTOR FPC FC PIC 7P 1 25mm STRAIGHT D304 0401 000101 DIODE SWITCHING 1N4148 100V 200mA DO 35 FL301 AC27 80100C COIL OSC 7mm 2 4mH IC301 1204 001644 IC VIDEO PROCESS LA71069M QFP 100P PLA J301 2203 000476 C CERAMIC CHIP 1000nF 80 20 16V Y5V TP L301 3301 000297 CORE FERRITE BEAD A...

Page 22: ...E FERRITE BEAD AA 3 6x1 2x5 7mm 1400 L503 3301 000297 CORE FERRITE BEAD AA 3 6x1 2x5 7mm 1400 L504 2701 000126 INDUCTOR AXIAL 150uH 5 2 4x3 4mm Q501 0501 000442 TR SMALL SIGNAL KTC3203 Y NPN 400MW T0 9 R501 2007 001141 R CHIP 7 5KOHM 5 1 10W DA TP 2012 R502 2007 001141 R CHIP 7 5KOHM 5 1 10W DA TP 2012 R503 2007 001141 R CHIP 7 5KOHM 5 1 10W DA TP 2012 R504 2007 001141 R CHIP 7 5KOHM 5 1 10W DA TP...

Page 23: ... 2012 R706 2007 000493 R CHIP 2 2KOHM 5 1 10W DA TP 2012 R707 2007 000493 R CHIP 2 2KOHM 5 1 10W DA TP 2012 R708 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R709 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R710 2001 000969 R CARBON 75OHM 5 1 8W AA TP 1 8X3 2MM R711 2001 000969 R CARBON 75OHM 5 1 8W AA TP 1 8X3 2MM R712 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R713 2001 0009...

Page 24: ...C1P103 2401 002299 C AL 4 7uF 20 50V GP TP 5x7 5 C1P104 2401 002299 C AL 4 7uF 20 50V GP TP 5x7 5 C1P105 2401 000598 C AL 1uF 20 50V GP TP 4x7 5 C1P106 2401 002165 C AL 100uF 20 16V GP TP 6 3x7 5 C1P108 2401 001545 C AL 47uF 20 25V GP TP 6 3x7mm 2 5 C1P112 2401 002299 C AL 4 7uF 20 50V GP TP 5x7 5 D1P101 0402 000127 DIODE RECTIFIER 1N4002 100V 1A DO 41 TP D1P102 0402 000127 DIODE RECTIFIER 1N4002 ...

Page 25: ...ARBON 330ohm 5 1 8W AA TP 1 8x3 2mm HI FI MODEL USED R629 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM MONO MODEL USED R630 2001 000864 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM R631 2001 000864 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM R632 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 2MM R633 2007 000565 R CHIP 220KOHM 5 1 10W DA TP 2012 R634 2007 000068 R CHIP 470KOHM 5 1 10W DA TP 2012 R635 2...

Page 26: ...MALL SIGNAL KSC945 NPN 250mW TO 92 T 2H D NOT USED Q3201 0504 000119 TR DIGITAL KSR1004 NPN 300MW 47K 47K TO 2H D ONLY R301 2007 000671 R CHIP 2KOHM 5 1 10W DA TP 2012 R302 2007 000872 R CHIP 4 7KOHM 5 1 10W DA TP 2012 R303 2007 000241 R CHIP 1 5KOHM 5 1 10W DA TP 2012 R304 2007 000653 R CHIP 27KOHM 5 1 10W DA TP 2012 R308 2007 000002 R CHIP 75KOHM 5 1 10W DA TP 2012 R309 2007 000586 R CHIP 22KOHM...

Page 27: ... DA TP 2012 R518 2007 001224 R CHIP 9 1KOHM 5 1 10W DA TP 2012 R519 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 2MM VR8060 8800C ONLY R520 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 2MM VR8060 8800C ONLY R521 2001 000472 R CARBON 2 7KOHM 5 1 8W AA TP 1 8X3 2M R522 2007 000518 R CHIP 2 7KOHM 5 1 10W DA TP 2012 R524 2001 000331 R CARBON 12KOHM 5 1 8W AA TP 1 8X3 2MM R527 2007 000300 R CHIP 10...

Page 28: ...R720 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R721 2001 000969 R CARBON 75OHM 5 1 8W AA TP 1 8X3 2MM R722 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R723 2001 000969 R CARBON 75OHM 5 1 8W AA TP 1 8X3 2MM R741 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M R743 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M R744 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M R745 2001 ...

Page 29: ... 2 5 C1P103 2401 002299 C AL 4 7uF 20 50V GP TP 5x7 5 C1P104 2401 002299 C AL 4 7uF 20 50V GP TP 5x7 5 C1P105 2401 000598 C AL 1uF 20 50V GP TP 4x7 5 C1P106 2401 000598 C AL 1uF 20 50V GP TP 4x7 5 C1P108 2401 001545 C AL 47uF 20 25V GP TP 6 3x7mm 2 5 C1P109 2401 001545 C AL 47uF 20 25V GP TP 6 3x7mm 2 5 C1P112 2401 002299 C AL 4 7uF 20 50V GP TP 5x7 5 D1P101 0402 000127 DIODE RECTIFIER 1N4002 100V...

Page 30: ...MODEL USED R629 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM MONO MODEL USED R630 2007 001039 R CHIP 56KOHM 5 1 10W DA TP 2012 R631 2001 000864 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM R632 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 2MM R633 2007 000565 R CHIP 220KOHM 5 1 10W DA TP 2012 R634 2007 000068 R CHIP 470KOHM 5 1 10W DA TP 2012 R635 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM...

Page 31: ...000671 R CHIP 2KOHM 5 1 10W DA TP 2012 R302 2007 000872 R CHIP 4 7KOHM 5 1 10W DA TP 2012 R303 2007 000241 R CHIP 1 5KOHM 5 1 10W DA TP 2012 R304 2007 000653 R CHIP 27KOHM 5 1 10W DA TP 2012 R308 2007 000002 R CHIP 75KOHM 5 1 10W DA TP 2012 R309 2007 000586 R CHIP 22KOHM 5 1 10W DA TP 2012 R310 2007 001177 R CHIP 8 2KOHM 5 1 10W DA TP 2012 R311 2007 000872 R CHIP 4 7KOHM 5 1 10W DA TP 2012 2H D NO...

Page 32: ...01 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 2MM R521 2007 000518 R CHIP 2 7KOHM 5 1 10W DA TP 2012 R522 2001 000472 R CARBON 2 7KOHM 5 1 8W AA TP 1 8X3 2M R524 2007 000355 R CHIP 12KOHM 5 1 10W DA TP 2012 VR501 2103 000171 VR SEMI 10Kohm 30 1 10W TOP INPUT OUTPUT PARTS C801 2401 002144 C AL 47uF 20 16V GP TP 5x11 5 C802 2401 001479 C AL 470uF 20 10V GP TP C803 2401 002042 C AL 220uF 20 10V GP TP ...

Page 33: ...AA TP 1 8X3 2MM R702 2001 000969 R CARBON 75OHM 5 1 8W AA TP 1 8X3 2MM R719 2007 000493 R CHIP 2 2KOHM 5 1 10W DA TP 2012 R721 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M R723 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M R727 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM RM701 AC32 00002A MODULE REMOCON GP1U291Q 38KHZ 7 3X13 DISPLAY LED LAMP C7L01 2401 002165 C AL 100uF 20 16V GP...

Page 34: ...4 16 Samsung Electronics Electrical Parts List MEMO ...

Page 35: ...8660C 8441C 8440C 5660C 5441C 5440C 3660C 3441C 3440C 5 4 Logic 5 5 Audio Video 5 6 Hi Fi MTS 5 7 TM Block Input Output VR9070 9060 9800C 9770C 5 8 TM Block Input Output VR8070 8060 5070 5060 3060 8800C 8770C 8660C 8441C 8440C VR5770C 5660C VR5441C 5440C 3660C 3441C 3440C 5 9 Commercial Movie Advance VR9070 9800C 5 10 Display LED Module 5 11 Display LED Lamp 5 12 Remote Control Jog Shuttle 5 13 Re...

Page 36: ...r the electrostatically sensitive ES devices section of this service manual Note Do not use the part number shown on this drawing for ordering The correct part number is shown in the parts list may be slightly different or amended since this drawing was prepared Important safety notices Components identified with the mark have the special characteristics for safety When replacing any of these comp...

Page 37: ...Schematic Diagrams Samsung Electronics 5 3 5 1 S M P S ...

Page 38: ...Schematic Diagrams 5 4 Samsung Electronics 5 2 Power VR9070 9060 8070 8060 5070 5060 3060 9800C 9770C 8800C 8770C 5770C ...

Page 39: ...Schematic Diagrams Samsung Electronics 5 5 5 3 Power VR8660C 8441C 8440C 5660C 5441C 5440C 3660C 3441C 3440C ...

Page 40: ...Schematic Diagrams 5 6 Samsung Electronics 5 4 Logic ...

Page 41: ... 5p p 58 5 5 5 83 0 0 0 9 34 0 5p p 5p p 59 5 5 5 84 0 0 0 10 35 0 0 5p p 60 0 0 0 85 0 0 0 11 36 5 5 5 61 0 0 0 86 0 0 0 12 37 Clock data 62 0 0 0 87 5 5 5 13 0 0 0 38 63 0 5 5 88 5 5 5 14 39 0 0 0 64 0 0 0 89 15 5 VCR 5 TV 0 40 Clock data 65 0 5p p 5p p 90 16 Safety Tab YES 5 NO 0 41 66 0 5p p 5p p 91 17 42 5 5 5 67 0 5 5p p 92 18 43 0 0 5p p 68 0 0 0 93 5p p data for LED display 19 0 0 0 44 0 0...

Page 42: ...Schematic Diagrams 5 8 Samsung Electronics 5 5 Audio Video ...

Page 43: ...Video Out Video Out 60 0 9 3 8 3 8 85 0 0 7 0 7 11 2 2 3 1 0 36 0 1 1 61 0 5 4 4 86 0 0 0 12 5 5 0 37 1 3 1 3 1 3 62 0 2 7 2 7 87 0 5 5 13 0 0 8p p 0 8p p 38 Video from L1 rear 63 0 2 2 88 0 4 4 1 8 14 0 0 8p p 0 8p p 39 0 3 5 3 5 64 0 7 2 2 2 2 89 0 4 4 1 8 15 0 0 8 0 40 Video from L2 front 65 0 4 4 90 0 4 4 1 8 16 5 5 0 3 41 0 0 2 5 66 0 2 0 91 0 4 4 1 8 17 2 2 2 2 0 42 Video from TM block 67 0 ...

Page 44: ...Schematic Diagrams 5 10 Samsung Electronics 5 6 Hi Fi MTS ...

Page 45: ... 0 0 54 0 3 2 5 2 5 7 0 7 2 2 2 2 23 0 0 0 39 0 0 0 55 0 0 0 8 0 6 0 7 0 7 24 0 2 5 0 6 40 1 5 5 56 0 2p p 2 2p p 9 Audio R from rear jack L1 25 0 5 5 41 0 0 0 57 0 4 6 4 6 10 26 0 2 5 0 42 5p p for Hi Fi data clock 58 0 3 9 9 11 0 0 0 27 5 5p p 5p p 43 59 Audio to TM block 12 0 7 2 2 28 0 4 4 4 4 44 0 4 2 4 2 4 60 0 0 0 13 0 3 2 3 2 3 29 0 7 1 9 1 9 45 0 0 0 61 0 2 5 2 5 14 Audio R from rear jack...

Page 46: ...Schematic Diagrams 5 12 Samsung Electronics 5 7 TM Block Input Ouput VR9070 9060 9800C 9770C ...

Page 47: ...Schematic Diagrams Samsung Electronics 5 13 5 8 TM Block Input Ouput VR8070 8060 5070 5060 3060 8800C 8770C 8660C 8441C 8440C 5770C 5660C 5441C 5440C 3660C 3441C 3440C ...

Page 48: ...Schematic Diagrams 5 14 Samsung Electronics 5 9 Commercial Movie Advance VR9070 9800C Only ...

Page 49: ...Schematic Diagrams Samsung Electronics 5 15 DT701 5 10 Display LED Module ...

Page 50: ...Schematic Diagrams 5 16 Samsung Electronics MAIN C B A LED C B A CN7L01 5 11 Display LED Lamp ...

Page 51: ...Schematic Diagrams Samsung Electronics 5 17 5 12 Remote Control Jog Shuttle ...

Page 52: ...Schematic Diagrams 5 18 Samsung Electronics 5 13 Remote Control Multi TV ...

Page 53: ...Schematic Diagrams Samsung Electronics 5 19 5 14 Remote Control VCR Only ...

Page 54: ...Schematic Diagrams 5 20 Samsung Electronics MEMO ...

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