Samsung SVR-639 Service Manual Download

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Samsung Electronics

Alignment and Adjustment

MEMO

Summary of Contents for SVR-639

Page 1: ...TS For mechanical disassembly and adjustment refer to the Mechanical Manual DX 9R AC68 00001A SERVICE MANUAL SVR 639 633 630 537 ELECTRONICS Samsung Electronics Co Ltd APR 2000 Printed in Korea AC68 00887A SVR 639 SVR 633 SVR 630 SVR 537 SRC PLAY STANDBY ON REC STOP PLAY PROG EJECT STANDBY ON LINE IN 2 REW F F VIDEO L AUDIO R EJECT STANDBY ON REW F F PLAY PROG REC STOP REC PLAY STANDBY ON EJECT ST...

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: ... driver 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 tap...

Page 4: ...t 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 unitÕs AC plug disconnected from the AC source connect an electrical ju...

Page 5: ...strumentÕs ground lead to the instrument chassis ground before connecting the positive lead always remove the instrumentÕs 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 th...

Page 6: ...s buttons 0 9 is available for all adjustment regardless of chassis 5 How to adjustment Press the SW718 TEST button on Main PCB 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 Fig 2 1 This type of remote control ca...

Page 7: ...2 2 Samsung Electronics Alignment and Adjustment 2 1 2 SW718 TEST location for adjustment mode setting Fig 2 2 Main PCB Top View PRESS ...

Page 8: ...SWITCHING ENVELOPE 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 Press the SW718 TEST button on Main PCB to set the adjustment mode See Fig 2 2 3 Press the 5 button of remote control then adjustment is operated automatically See Fig 2 1 4 Connect the CH 1 probe to TP303 ...

Page 9: ...emote control again to store the option number PLEASE WAIT is displayed for a second as shown Fig 2 5 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 IC605 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 01 02 03 04 05 ...

Page 10: ...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 6 3 8 ...

Page 11: ...CN602A CN3A1S F A V JACK PCB S N A SVR 633 S601S LD601S S602S VFD LED PCB S N A 102 157 1 SVR 630 21 22 31 1 52 52 158 SVR 639 101 155 156 156 1 21 22 UT01 157 SHUTTLE PCB S N A CN703A 21 22 1 SVR 537 1 55 VCR STANDBY ON TV STANDBY ON TV SLOW VCR DISP SHUTTLE V LOCK CLR RST F ADV INPUT INDEX VOL PROG TRK R E C M E N U A U D I O S P E E D D U B T V V C R REPEAT OK 21 22 55 ...

Page 12: ...WRCH18 158 AC60 00069A SCREW TAP 3X10 FE FEY 200 AC39 10019A POWER CORD KKP 419C H03VVH2 F VDE KEMA K CN3A1S 3809 001111 CABLE FLAT 30V 80C 130mm 7P 1 25mm UL289 CN602A 3809 001049 CABLE FLAT 30V 80C 100mm 5P 1 25mm UL289 CN703A 3809 001132 CABLE FLAT 30V 80C 130mm 5P 1 25mm UL289 SVR 633 537 ONLY LD601S AC61 21009A HOLDER LED POM M90 44 BLK X 9 S601S AC61 21008A HOLDER SENSOR POM M90 44 BLK X 9 S...

Page 13: ...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 14: ...2 6 L5 0 ZPC G520 AC66 30539A LEVER 9 GUIDE ASSY X 9 TS X 9 G527 AC61 60553A SPRING 9 GUIDE ES SUS304 WPB OD3 1 0 G530 AC33 00002A HEAD FE HVFHP0038A X 9 G532 AC60 10519A SCREW TAP TITE PH M2 6 L8 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 AC6...

Page 15: ...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 16: ...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 17: ...Exploded View and Parts List 3 8 Samsung Electronics MEMO ...

Page 18: ...429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM R1SF11 2001 000076 R CARBON 47KOHM 5 1 4W AA TP 2 4X6 4MM R1SF15 2001 000591 R CARBON 3 3KOHM 5 1 8W AA TP 1 8X3 2M R1SF19 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM R1SF20 2003 000105 R METAL OXIDE 0 33ohm 5 2W AD TP 6x16mm R1SF21 2001 000096 R CARBON S 1MOHM 5 1 2W AA TP 2 4X6 4M R1SS10 2006 000262 R CEMENT 2 7ohm 10 2W CB TP 7 5x11x20 R1SS11 2003...

Page 19: ...065 150mW DIP 4 PT602 0604 001122 PHOTO INTERRUPTER TR 0 065 150mW DIP 4 Q602 0501 000398 TR SMALL SIGNAL KSC945 NPN 250mW TO 92 T R604 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM R605 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM R608 2001 000864 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM R609 2001 000864 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM R613 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 ...

Page 20: ...m 5m SVR 639 633 ONLY CN301 3708 000391 CONNECTOR FPC FC PIC 10P 1 25MM STRAIGHT CN3A01 3708 001302 CONNECTOR FPC FC PIC 7P 1 25mm STRAIGHT CN3A02 3711 002445 CONNECTOR HEADER BOX 2P 2R 1 5MM STRAIGH D302 0401 000101 DIODE SWITCHING 1N4148 100V 200mA DO 35 FL3A01 AC27 80100A COIL OSC 126QN K5272YHC K AM FL3D01 AC27 82001C COIL BIAS OSC B02 W TOKO VX1850 SVR 639 633 ONLY IC301 1204 001648 IC VIDEO ...

Page 21: ...IAL 560pF 10 50V Y5P TP C513 2202 000797 C CERAMIC MLC AXIAL 10NF 30 16V Y5S TP C514 2401 000598 C AL 1uF 20 50V GP TP 4x7 5 C515 2401 000598 C AL 1uF 20 50V GP TP 4x7 5 C516 2301 000423 C FILM PEF 3 3NF 5 100V TP 7X10X4 5MM 5 C517 2301 000445 C FILM PEF 4 7nF 5 50V TP 5 5x7x3mm 5mm C518 2401 000918 C AL 22uF 20 16V GP 6 3x7 5 C519 2301 000381 C FILM PEF 10nF 5 50V TP 6 5x5 5x3mm 5m C520 2401 0022...

Page 22: ...AMIC MLC AXIAL 1nF 10 50V Y5P TP 1 C838 2202 000173 C CERAMIC MLC AXIAL 1nF 10 50V Y5P TP 1 C841 2202 000121 C CERAMIC MLC AXIAL 100pF 10 50V Y5P TP D805 0401 000101 DIODE SWITCHING 1N4148 100V 200mA DO 35 SV639 ONLY JC801 3710 000482 CONNECTOR SOCKET 21P ANGLE SN SVR 639 ONLY JC802 AC37 22002E JACK PIN 3 5MM DPAE9634 2P TR SVR 639 ONLY JC802 AC37 20001G JACK RCA DPAE 6P HIFI PI3 3 SVR 633 630 537...

Page 23: ... R725 2001 000708 R CARBON 39OHM 5 1 8W AA TP 1 8X3 2MM R726 2001 000708 R CARBON 39OHM 5 1 8W AA TP 1 8X3 2MM R731 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM RM701 AC59 60060A MODULE REMOCON GP1U281R SHARP 38KHZ ASSY PCB F TIMER LED LAMP SVR 537 SVR 537 C701 2401 002165 C AL 100uF 20 16V GP TP 6 3x7 5 C702 2202 000797 C CERAMIC MLC AXIAL 10NF 30 16V Y5S TP C703 2202 000173 C CERAMIC MLC A...

Page 24: ...5 1 S M P S 5 2 Power Drive 5 3 System Control Servo 5 4 Audio Video 5 5 Hi Fi 5 6 RF 5 7 SECAM SVR 639 Only 5 8 Input Output 1 Scart Jack 5 9 Input Output RCA Jack 5 10 OSD 5 11 VFD Dispaly SVR 639 5 12 LED Module Dispaly SVR 633 SVR 630 5 13 LED Single Dispaly SVR 537 5 14 Front A V Jack Shuttle 5 15 Remote Control Multi TV 5 16 Remote Control VCR Only ...

Page 25: ...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 26: ...Schematic Diagrams Samsung Electronics 5 3 5 1 S M P S ...

Page 27: ...Schematic Diagrams 5 4 Samsung Electronics 5 2 Power Drive ...

Page 28: ...chematic Diagrams Samsung Electronics 5 5 FROM TO VFD LED DISPLAY CN701 FROM TO LED DISPLAY CN702 FROM TO VFD DISPLAY CN702 FROM TO FRONT A V CN705 FROM TO SRC or SHUTTLE CN6B01 5 3 System Control Servo ...

Page 29: ...Schematic Diagrams 5 6 Samsung Electronics 5 4 Audio Video ...

Page 30: ...Schematic Diagrams Samsung Electronics 5 7 5 5 Hi Fi ...

Page 31: ...Schematic Diagrams 5 8 Samsung Electronics 5 6 RF VCP ...

Page 32: ...Schematic Diagrams Samsung Electronics 5 9 5 7 SECAM SVR 639 Only ...

Page 33: ...Schematic Diagrams 5 10 Samsung Electronics 5 8 Input Output 1 Scarrt Jack SVR 639 Only ...

Page 34: ...Schematic Diagrams Samsung Electronics 5 11 5 9 Input Output RCA Jack ...

Page 35: ...Schematic Diagrams 5 12 Samsung Electronics 5 10 OSD ...

Page 36: ...Schematic Diagrams Samsung Electronics 5 13 5 11 VFD Display SVR 639 ...

Page 37: ...Schematic Diagrams 5 14 Samsung Electronics 5 12 LED Module Display SVR 633 SVR 630 ...

Page 38: ...Schematic Diagrams Samsung Electronics 5 15 5 13 LED Single Display SVR 537 ...

Page 39: ...Schematic Diagrams 5 16 Samsung Electronics 5 14 Front A V Jack Shuttle SHUTTLE APPLICATION MODEL SVR 633 537 F AV JACK APPLICATION MODEL SVR 633 F A V JACK APPLICATION MODEL SV 639 ...

Page 40: ...Schematic Diagrams Samsung Electronics 5 17 5 15 Remote Control Multi TV ...

Page 41: ...Schematic Diagrams 5 18 Samsung Electronics 5 16 Remote Control VCR Only ...

Page 42: ...sembly and Reassembly 2 Alignment and Adjustment VHS DECK CONTENTS 3 File with the SERVICE MANUAL MECHANICAL MANUAL DX 9R ELECTRONICS Samsung Electronics Co Ltd NOV 1998 Printed in Korea AC68 00001A MECHANICALManual ...

Page 43: ...ˆ Ø Fig 1 1 Top parts Location 1 Œ BRACKET FL TOP GEAR FL CAM ˇ MOTOR LOADING ASS Y LEVER FL ARM ASS Y ˆ HOLDER FL CASSETTE ASS Y Ø LEVER FL DOOR SLIDER FL DRIVE 1 Disassembly and Reassembly 1 1 Deck Parts Locations 1 1 1 Top View ...

Page 44: ... Parts Location 2 Œ FE HEAD PLATE CYLINDER C ˇ CYLINDER ASS Y PLATE CYLINDER B ˆ PLATE CYLINDER A Ø ACE HEAD ASS Y UNIT PINCH ASS Y LEVER 9 GUIDE ASS Y LEVER TENSION ASS Y BAND BRAKE ASS Y Ô DISK S REEL LEVER S BRAKE ASS Y Ò GEAR IDLE Ú LEVER IDLE Æ LEVER T BRAKE ASS Y ı DISK T REEL ...

Page 45: ...s 1 3 1 1 2 Bottom View Œ ˇ ˆ Ø Ô Fig 1 3 Bottom Parts Location Œ GEAR JOINT 1 GEAR JOINT 2 ˇ BRAKET GEAR MOTOR CAPSTAN ASS Y ˆ LEVER T LOAD ASS Y Ø GEAR LOADING DRIVE LEVER S LOAD ASS Y HOLDER CLUTCH ASS Y BELT PULLEY SLIDER CAM Ô SLEEVE TENSION ...

Page 46: ...e Take care not to change assembly direction Œ 2 SCREWS BRACKET FL TOP 1 2 2 Lever FL Door Removal 1 Rotate the Lever FL Door Œ in the direction of arrow ÒAÓ 2 Release the Hook remove the Lever FL Door Œ in the direction of arrow ÒBÓ HOOK Œ LEVER FL DOOR A B 1 2 Main Deck Fig 1 4 Bracket FL Top Removal Fig 1 5 Lever FL Door Removal ...

Page 47: ...mpletely Note Be sure to insert Lever FL Cassette R in the direction of ÒAÓ to prevent separation and breakage of the Lever FL Cassette R at disassembling and reassembling Œ HOLDER FL CASSETTE ASS Y LEVER FL CASSETTE R BOSS A BOSS B RAIL C RAIL D A B 1 2 4 Lever FL Arm Ass y Removal 1 Remove the Lever FL Door Refer to Fig 1 5 2 Remove the Holder FL Cassette AssÕy Refer to Fig 1 6 3 Release the Hoo...

Page 48: ...the direction of arrow Refer to Fig 1 8 Œ SLIDER FL DRIVE 1 2 6 Bracket Gear Gear FL Cam Gear Joint 1 2 Removal 1 Remove screw Œ 2 Lift the Bracket Gear 3 Remove the Gear FL Cam ˇ 4 Lift the Gear Joint 2 Gear Joint 1 ˆ Œ SCREW BRACKET GEAR ˇ GEAR FL CAM ˆ GEAR JOINT 1 GEAR JOINT 2 Fig 1 8 Slider FL Drive Removal Fig 1 9 Bracket Gear Gear FL Cam Gear Joint 1 2 Removal ...

Page 49: ...ng Point 3 Œ GEAR JOINT 1 GEAR JOINT 2 ˇ SLIDER CAM TIMING POINT 1 GEAR FL CAM GEAR WORM WHEEL POST TIMING POINT 2 TIMING POINT 3 1 2 8 Holder Worm Gear Worm Gear Worm Wheel Removal 1 Release the Hook A in the direction of arrow and remove the Holder Worm Œ 2 Remove the Gear Worm 3 Remove the Gear Worm Wheel ˇ After remov ing the Gear FL Cam as shown Fig 1 9 Note Secure the Hook A after installing...

Page 50: ...S Load Ass y Removal 1 Remove the Belt Pulley Refer to Fig 1 29 2 Remove the Gear Loading Drive Œ after releasing Hook A in the direction arrow as shown in detail drawing 3 Remove the Slider Cam 4 Remove the Lever T S Load AssÕy ˇ Œ GEAR LOADING DRIVE ˇ LEVER T LOAD ASS Y HOOK A SLIDER CAM LEVER S LOAD ASS Y Fig 1 12 Motor Loading Ass y Removal Fig 1 13 Gear Loading Drive Slider Cam Lever T S Load...

Page 51: ... 1 TIMING POINT 2 TIMING POINT 3 1 2 12 Lever Tension Ass y Band Brake Ass y Sleeve Tension Removal 1 Remove the Spring Tension Œ 2 In bottom side of Deck remove the Sleeve Tension after rotating it right or left as lifting locking edge of Sleeve Tension 3 Remove the side ÒaÓ of the Band Brake AssÕy in the direction of arrow ÒAÓ from the Lever Tension AssÕy ˇ 4 Remove the side ÒbÓ of the Band Brak...

Page 52: ...care not to be folded and trans formed spring Brake at removing or reinstalling ˇ SPRING BRAKE LEVER T BRAKE ASS Y Œ LEVER S BRAKE ASS Y HOOK A HOOK C HOOK B 1 2 14 Lever Idle Ass y Removal 1 Push the Lever Idle Œ in the direction of arrow ÒAÓ ÒBÓ 2 Lift the Lever Idle Œ Assembly 1 Apply oil in two Bosses of Lever Idle Œ 2 Assemble the Gear Idle with the Lever Idle Œ Note When replacing the Gear I...

Page 53: ... S T Reel Removal 1 Lift the Disk S T Reel Œ DISK T REEL Œ DISK S REEL 1 2 16 Holder Clutch Ass y Removal 1 Remove the Washer Slit Œ 2 Lift the Holder Clutch AssÕy HOLDER CLUTCH ASS Y Œ WASHER SLIT Fig 1 18 Disk S T Reel Removal Fig 1 19 Holder Clutch Ass y Removal ...

Page 54: ... Base 2 Lift the Lever Up Down AssÕy Œ about 35 degree Refer to Fig 1 21 3 Insert Ring of the Gear Center AssÕy in the Guide ˆ of the Lever Up Down AssÕy Œ 4 Insert the Gear Center AssÕy in the post Ø on Main Base 5 Push down the Lever Up Down AssÕy Œ for lock ing of the Hook Note 1 Take care not to separate and loose the Spring Up Down 2 When assembling the Gear Center AssÕy donÕt push down too m...

Page 55: ... 2 20 Unit Pinch Ass y Plate Joint Spring Pinch Drive Removal 1 Lift the Unit Pinch AssÕy Œ 2 Remove the Plate Joint from Lever Pinch Drive 3 Remove the Spring Pinch Drive ˇ Note 1 Take extreme care not to touch the grease on the Roller Pinch 2 When reinstalling be sure to apply grease on the post pinch roller Œ UNIT PINCH ASS Y PLATE JOINT ˇ SPRING PINCH DRIVE Fig 1 22 Guide Cassette Door Removal...

Page 56: ...ion of arrow Note 1 Take extreme care not to touch the grease on the tape Guide Post 2 After reinstalling check the bottom side of the Post 9 Guide to stick to the top side of Main Base LEVER 9 GUIDE ASS Y Œ SPRING 9 GUIDE 1 2 22 FE Head Removal 1 Remove the screw Œ 2 Lift the FE Head Œ SCREW FE HEAD Fig 1 24 Lever 9 Guide Ass y Removal Fig 1 25 FE Head Removal ...

Page 57: ...connector of ACE Head AssÕy 2 Remove the screw Œ 3 Lift the ACE Head AssÕy Œ SCREW ACE HEAD ASS Y 1 2 24 Slider S T Ass y Removal 1 Move the Slider S T AssÕy Œ to slot and then lift it to remove Refer to arrow SLIDER T ASS Y Œ SLIDER S ASS Y Fig 1 26 ACE Head Removal Fig 1 27 Slider S T Ass y Removal ...

Page 58: ...ylinder C 3 Take care not to touch the Cylinder AssÕy with screw driver at reinstalling the Plate Cylinder C ˆ SCREW CYLINDER ASS Y Œ SCREW PLATE CYLINDER C ˇ SCREW PLATE CYLINDER B Ø PLATE CYLINDER A 1 2 26 Belt Pulley Removal 1 Remove the Belt Pulley Œ Note Take extreme care not to touch the grease on Belt Pulley Œ at assembling or reassembling Œ BELT PULLEY Fig 1 28 Cylinder Ass y Removal Fig 1...

Page 59: ... 29 How to Eject the Cassette Tape If the unit does not operate on condition that is inserted into housing ass y 1 Remove the Holder worm Œ and the Gear Worm 2 Turn the Gear Worm Wheel ˇ counterclockwise with screw driver Refer to arrow Œ HOLDER WORM GEAR WORM SCREW DRIVER ˇ GEAR WORM WHEEL Fig 1 31 Motor Capstan Ass y Removal Fig 1 32 3 When Slider S T are approached in the position of unloading ...

Page 60: ...STAN SHAFT 9 GUIDE POST 3 GUIDE POST GUIDE ROLLER S T O O O O O O O CYLINDER ASS Y O O O O O O O O O FE HEAD O O O O O O O ACE HEAD O O O O O O O O O PINCH ROLLER O O O O O O O O O POST REEL S T 3 3 3 3 3 SLEEVE TENSION 3 3 3 3 3 POST CENTER 3 3 3 3 3 LEVER IDLE BOSS 2Point 3 3 3 3 3 CAPSTAN MOTOR PULLEY O O O O O BELT PULLEY O O O O O O O HOLDER CLUTCH ASS Y O O O O O O O O O GEAR CENTER ASS Y O ...

Page 61: ...LER GUIDE ROLLER S GUIDE ROLLER T 8 GUIDE POST 9 GUIDE POST CAPSTAN SHAFT ACE HEAD 3 GUIDE POST 2 Alignment and Adjustment 2 1 Tape Transport System and Adjustment Locations The tape transport system has been adjusted precisely in the factory Alignment is not necessary except for the following 1 Noise observed on the screen 2 Tape damage 3 Parts replacement in the tape transport system Lower flang...

Page 62: ...ghtly turn the screw A tilt adjust on the ACE head assÕy 4 Reconfirm the ACE head height Fig 2 5 Tape Guide Check 2 2 1 c AUDIO AZIMUTH ADJUSTMENT 1 Load alignment tape Mono scope and playback the NTSC 7KHz PAL 6KHz signal 2 Connect channel 1 scope probe to audio output test point 3 Adjust screw B to achieve maximum audio level See Fig 2 3 2 2 1 d ACE HEAD POSITION X POINT ADJUSTMENT 1 See page 5 ...

Page 63: ...he video RF envelope at the exit side 4 If the section A in Fig 2 7 does not meet the speci fication adjust the guide roller S up or down 5 If the section B in Fig 2 7 does not meet the speci fication adjust the guide roller T up or down Fig 2 6 Envelope Waveform Adjustment a a b c d c b d a 63 b c d Fig 2 7 Adjustment Points A B A B H D SWITCHING PULSE ENVELOPE 6 Play back the Mono Scope alignmen...

Page 64: ...ng with T 120 E 120 The video envelope should meet the specification as shown in Fig 2 10 In SP mode A should equal B If the head gap is wide upper cylinder should be checked A B Fig 2 10 Envelope Output and Output Level 2 2 5 Tape Wrinkle Check 1 Run the T 160 E 180 tape in the playback FPS RPS and Pause modes and observe tape wrinkle at each guide 2 If excessive tape wrinkle is observed perform ...

Page 65: ...cting it with Back Tension Meter 1 0mm 0 5mm ˇ LEVER TENSION ASS Y Œ DISK S REEL ADJUSTING ADJUSTING SLIT 1 3 Fig 2 13 Tension Pole and Back Tension Adjustment 1 Remove the holder cassette assÕy and then push the lever FL Arm R to the direction of loading 2 Push the lever tension drive Œ in the direction of arrow See Fig 2 11 3 Turn the gear worm wheel clockwise so that ÒTiming PointÓ of the slide...

Page 66: ...2 6 Samsung Electronics Alignment and Adjustment MEMO ...

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