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4-2

Alignment and Adjustments

Samsung Electronics

4-3 Maintenance

Carry out the following periodic maintenance checks in order to fully exercise all functions, operations and tape.
After repairing, service the set as follows:

1) Cleaning of Drum Assembly

Gently apply lens tissue soaked in ethyl alcohol to the Drum assembly.

Clean the Upper Drum assembly while rotating it slowly counterclockwise(by hand).

Note

: Do not rotate the motor by power or rotate the Upper Drum assembly clockwise.

Also, the Head tip will be damaged if the lens tissue is moved in a perpendicular direction.

Be sure to follow these instructions when cleaning the Drum Ass’y

2) Cleaning of Tape Path

In EJECT mode, clean the tape path system(from Pole Tension P1 through Pole Review P7, Pinch Roller and

Capstan Shaft) and the Lower Drum. Using the lens tissue soaked in ethyl alcohol.

Note

: Make sure that no oil or grease adheres to the lens tissue.

Fig. 4-3

P5
PINCH ROLLER

Содержание VP-D30

Страница 1: ...ts List 3 Electrical Parts List 4 Wiring Diagram 5 Schematic Diagrams Manual DIGITAL VIDEO CAMCORDER CONTENTS SERVICE MANUAL VP D30 D30i ELECTRONICS Samsung Electronics Co Ltd MAY 2003 Printed in Korea AD82 00003A For mechanical disassembly and adjustment refer to the Mechanical Manual CSM2000 AD68 30200A ...

Страница 2: ...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...

Страница 3: ... 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...

Страница 4: ...ing 2 12 2 7 Ass y Rear 2 14 2 8 Ass y Right 2 16 2 9 Mechanical Parts 1 Main Chassis 2 18 2 10 Mechanical Parts 2 Sub Chassis 2 20 Page Exploded View and Parts List 2 1 Samsung Electronics 2 Exploded View and Parts List You can search for the updated part code through ITSELF web site URL http itself sec samsung co kr Notice ...

Страница 5: ...Exploded View and Parts List 2 2 Samsung Electronics 2 1 Ass y Lens Deck ...

Страница 6: ...SPTE T0 25 50 3 454 AD61 01287A BRACKET LENS THETA PJ SUS T0 5 456 AD97 06757A ASSY FRONT BOARD THETA PJ 457 AD97 04747A ASSY LENS DVC10X SUML 458 AD29 00019A FILTER OPTICAL LPF VP D73 3 4X4 5X 459 AD60 00053A SPACER CCD ALPHA_PJ SILICON BLK 460 AD97 06496A ASSY CCD THETA PJ THETA ASSY CCD PAL 500 AD97 04896A ASSY DECK CSM2000 ALPA BETA 901 6009 001284 SCREW SPECIAL SWRCH18A CH M1 4 L4 7 902 6001 ...

Страница 7: ...Exploded View and Parts List 2 4 Samsung Electronics 2 2 Ass y EVF CVF ...

Страница 8: ... THETA PJ SUS T0 3 407 AD61 01290A BRACKET EVF STOPPER THETA PJ SUS304 T0 5 409 AD64 01016B CABINET EVF SLIDER THETA PJ PC G 411 AD64 01019A KNOB EVF ROTATION THETA PJ POM 410 AD64 01018B KNOB EVF THETA PJ ABS 94HB G358 412 AD61 01384A BRACKET EVF TOP THETA PJ SUS304 T0 5 413 AD67 00194A LENS EVF 14X G1 DELTA PJ OPT PLASTIC PMM 422 AD41 00402A FPC EVF THETA PJ POLYESTER 1 00 0 3 83 423 AD97 07159A...

Страница 9: ...Exploded View and Parts List 2 6 Samsung Electronics 2 3 Ass y Front ...

Страница 10: ...54 AD61 01305A BRACKET FRONT THETA PJ SUS304 355 AD64 01008A CASE FRONT THETA PJ ABS 94HB G62 356 AD97 06753A ASSY MIC THETA PJ MIC ASSY 357 AD63 00443A COVER MIC THETA PJ ABS 94HB 358 AD61 01306A BRACKET GRIP FRONT THETA PJ SUS304 359 AD63 00455A SHEET MIC THETA PJ T0 5 905 6001 000803 SCREW MACHINE CH M1 4 L4 ZPC BLK SWRC 912 6003 001291 SCREW TAPTITE CH B M1 4 L3 0 ZPC BLK 914 6003 001245 SCREW...

Страница 11: ...Exploded View and Parts List 2 8 Samsung Electronics 2 4 Ass y LCD ...

Страница 12: ...SY LCD BOARD THETA PJ THETA LCD 310 AD97 07464A ASSY CASE LCD ASSY VP D30 PAL 311 AD63 00291A COVER SLIDE D5 PJ POLYSLIDE T0 8 312 AD63 00447A COVER HINGE BOTTOM THETA PJ ABS 313 AD97 06877A ASSY HINGE THETA PJ 314 AD63 00449A COVER HINGE TOP THETA PJ ABS 315 AD97 06878A ASSY LCD FPC THETA PJ 319 AD61 00816A HOLDER INVERT D5 PJ PC GLASS 30 902 6001 001526 SCREW MACHINE CH 0 3 M1 7 L3 0 NI PLT 904 ...

Страница 13: ...Exploded View and Parts List 2 10 Samsung Electronics 2 5 Ass y Left ...

Страница 14: ...64 01009B INLAY M S THETA PJ PC T0 9 NON M S 255 AD69 00263B PAD HOUSING D5 PJ PORON HH 48 L GRAY T0 260 AD97 06961A ASSY FUNCTION BOARD THETA PJ DSC X 261 AD97 04289A ASSY SPEAKER D5 PJ G 17S08 0823 262 AD97 06955A ASSY FUNCTION FPC ASSY THETA PJ 470 AD63 00438A COVER TOP THETA PJ ABS 94HB G6 471 AD61 01385A BRACKET ACC SHOE THETA PJ SUS304 T0 8 902 6001 001526 SCREW MACHINE CH 0 3 M1 7 L3 0 NI P...

Страница 15: ...Exploded View and Parts List 2 12 Samsung Electronics 2 6 Ass y Cover Housing ...

Страница 16: ...OVER HOUSING THETA PJ ABS 94HB 152 AD97 06772A ASSY ZOOM ABS 94HB THETA PJ 153 AD97 06874A ASSY LINK HOUSING TOP THETA PJ 154 AD64 01026A KNOB TAPE EJECT THETA PJ ABS 155 AD61 12033A BRACKET NUT SV D10 T0 8 T0 8 156 AD63 00483A SHEET HOUSING THETA PJ PVC T0 2 904 6001 001527 SCREW MACHINE CH 0 3 M1 7 L2 0 NI PLT 905 6001 000803 SCREW MACHINE CH M1 4 L4 ZPC BLK SWRC 917 6003 001292 SCREW TAPTITE CH...

Страница 17: ...Exploded View and Parts List 2 14 Samsung Electronics 2 7 Ass y Rear ...

Страница 18: ...THETA PJ ABS 94HB 204 AD61 01301A SPRING ETC BATTERY EJECT SWPB 205 AD64 01022B KNOB DETECT THETA PJ ABS 94HB G3 206 AD64 01021B KNOB EJECT BATTERY THETA PJ ABS 94HB 207 AD64 01023B KNOB RELEASE BATTERY THETA PJ ABS 94HB 209 AD61 01395A BRACKET BATTERY EJECT OMEGA PJ SUS304 1 210 AD97 06954A ASSY TERMINAL FPC ASSY THETA PJ 211 AD61 01304A SPRING ETC STOPPER THETA PJ C5210R H 910 6003 001453 SCREW ...

Страница 19: ...Exploded View and Parts List 2 16 Samsung Electronics 2 8 Ass y Right ...

Страница 20: ... 111 AD61 01309A BRACKET RIGHT THETA PJ SUS T0 5 112 AD61 01310A BRACKET SHOULDER THETA PJ SUS T0 8 113 AD63 00459A COVER POWER THETA PJ ABS 115 AD61 01396A BRACKET JACK PCB OMEGA PJ SUS 304 1 2H T 116 AD61 01222B HOLDER TRIPOD THETA PJ AL 117 AD97 06210B ASSY JACK BOARD THETA PJ VP D30 USB X 118 AD41 00400A FPC JACK THETA PJ POLYESTER 1 00 0 3 38 119 AD97 07354A ASSY CAP HOOD ASSY THETA PJ D GRAY...

Страница 21: ...ploded View and Parts List 2 18 Samsung Electronics 2 9 Mechanical Parts 1 Main Chassis M401 304 304 305 M415 303 302 M409 403 M410 M407 M413 M408 M412 M411 M405 M402 402 M404 M406 402 M416 302 M403 M414 ...

Страница 22: ...A ASSY ARM PINCH FULL DD 3 M403 AD97 02931A ASSY DRUM BASE RAIL DD 3 M404 AD31 00028A MOTOR CAPSTAN DD 3 M405 AD61 00490A GUIDE TENSION CAM DD 3 SUS430 CP T0 3 M406 AD61 00496A HOLDER FPC SUB DD 3 DURACON M407 AD66 00061A GEAR CONNECT DD 3 POM 0 4 0 5 8 5 23 M408 AD66 00064A GEAR WHEEL DD 3 POM 0 3 05 30 8 PCD M409 AD66 00065A GEAR CAM MAIN DD 3 SECC 0 5 50 PCD 2 M410 AD66 00069A GEAR CAPSTAN DD 3...

Страница 23: ...Exploded View and Parts List 2 20 Samsung Electronics 2 10 Mechanical Parts 2 Sub Chassis 301 S310 S309 401 301 S304 S314 S303 S305 S308 S312 S301 S307 402 S313 S306 S302 S311 S315 ...

Страница 24: ...4 WPB 0 18 S303 AD61 00659A SPRING MAIN BRAKE T DD 3 SWP B 0 16 S304 AD66 00090A LEVER EJECT DD 3 POM S305 AD66 00093A BRAKE MAIN T DD 33 NYLON S306 AD66 00108A ARM TENSION ASSY DD 3 SUS304 CP ETC S307 AD97 02932A ASSY BRAKE TENSION DD 3 S308 AD97 02933A ASSY RELEASE T DD 3 S309 AD97 02934A ASSY REVIEW ARM DD 3 S310 AD97 02938A ASSY REEL DISK S DD 3 S311 AD97 02939A ASSY REEL DISK T DD 3 S312 AD97...

Страница 25: ...Exploded View and Parts List 2 22 Samsung Electronics MEMO ...

Страница 26: ...50V X7R TP 1005 C508 2404 001257 C TA CHIP 1UF 20 16V TP 2012 C509 2203 005061 C CERAMIC CHIP 100nF 80 20 16V Y5V TP C510 2203 000438 C CERAMIC CHIP 1nF 10 50V X7R TP 1005 C511 2203 005061 C CERAMIC CHIP 100nF 80 20 16V Y5V TP C512 2203 005061 C CERAMIC CHIP 100nF 80 20 16V Y5V TP C513 2203 005061 C CERAMIC CHIP 100nF 80 20 16V Y5V TP C514 2203 005061 C CERAMIC CHIP 100nF 80 20 16V Y5V TP C601 220...

Страница 27: ...03 005923 C CERAMIC CHIP 1000NF 20 6 3V X5R TP 16 C950 2203 005923 C CERAMIC CHIP 1000NF 20 6 3V X5R TP 16 C952 2203 005686 C CERAMIC CHIP 2200nF 20 10V X5R TP 201 C954 2203 005922 C CERAMIC CHIP 4700NF 20 6 3V X5R TP 20 C955 2404 001246 C TA CHIP 10UF 20 6 3V WT TP 2012 C957 2203 005923 C CERAMIC CHIP 1000NF 20 6 3V X5R TP 16 C958 2203 005923 C CERAMIC CHIP 1000NF 20 6 3V X5R TP 16 C959 2203 0059...

Страница 28: ...17 IC CMOS LOGIC 7SHU04 INVERTER SSOP 5P 49 ICP08 AC14 12012T IC OP AMP TA75S01F TE85L QFP L112 2703 002430 INDUCTOR SMD 4 7UH 25 2 0X1 25X0 85MM L113 2703 000396 INDUCTOR SMD 10uH 10 2 5x2x1 8mm L203 2703 002428 INDUCTOR SMD 1UH 25 2 0X1 25X0 85MM L204 2703 001863 INDUCTOR SMD 6 8UH 20 2 5X2X1 8MM L205 2703 002430 INDUCTOR SMD 4 7UH 25 2 0X1 25X0 85MM L206 2703 002428 INDUCTOR SMD 1UH 25 2 0X1 25...

Страница 29: ...07 001333 R CHIP 18Kohm 5 1 16W DA TP 1005 R215 2007 000171 R CHIP 0ohm 5 1 16W DA TP 1005 R216 2007 007318 R CHIP 1Kohm 1 1 16W DA TP 1005 R217 2007 000142 R CHIP 2 7Kohm 5 1 16W DA TP 1005 R218 2007 000164 R CHIP 150Kohm 5 1 16W DA TP 1005 R219 2007 000153 R CHIP 22Kohm 5 1 16W DA TP 1005 R220 2007 000170 R CHIP 1Mohm 5 1 16W DA TP 1005 R221 2007 000171 R CHIP 0ohm 5 1 16W DA TP 1005 R222 2007 0...

Страница 30: ...HIP 100Kohm 5 1 16W DA TP 1005 R7141 2007 000171 R CHIP 0ohm 5 1 16W DA TP 1005 R7142 2007 000148 R CHIP 10Kohm 5 1 16W DA TP 1005 R7143 2007 000148 R CHIP 10Kohm 5 1 16W DA TP 1005 R7144 2007 000162 R CHIP 100Kohm 5 1 16W DA TP 1005 R7145 2007 000162 R CHIP 100Kohm 5 1 16W DA TP 1005 R7146 2007 000148 R CHIP 10Kohm 5 1 16W DA TP 1005 R7147 2007 000162 R CHIP 100Kohm 5 1 16W DA TP 1005 R7148 2007 ...

Страница 31: ... CHIP 30KOHM 1 1 16W DA TP 1005 R912 2007 000148 R CHIP 10Kohm 5 1 16W DA TP 1005 R913 2007 000148 R CHIP 10Kohm 5 1 16W DA TP 1005 R914 2007 007309 R CHIP 12Kohm 1 1 16W DA TP 1005 R915 2007 007142 R CHIP 10Kohm 1 1 16W DA TP 1005 R916 2007 007132 R CHIP 15Kohm 1 1 16W DA TP 1005 R917 2007 001333 R CHIP 18Kohm 5 1 16W DA TP 1005 R918 2007 001333 R CHIP 18Kohm 5 1 16W DA TP 1005 R919 2007 007312 R...

Страница 32: ...SOT RC01 2007 000072 R CHIP 47ohm 5 1 10W TP 1608 RC02 2007 000079 R CHIP 1 8Kohm 5 1 10W TP 1608 RC03 2007 000102 R CHIP 100Kohm 5 1 10W TP 1608 SWC01 3404 001116 SWITCH TACT 12V DC 50mA 160gf 3 5x7 8x3 ASSY FRONT BOARD THETA PJ S N A CF01 2404 001020 C TA CHIP 10uF 20 10V GP TP 3216 3 2 CN01 3710 001443 CONNECTOR SOCKET 18P 2R 0 8mm SMD S SN CN02 3711 000922 CONNECTOR HEADER BOX 4P 1R 1 25mm SMD...

Страница 33: ... RL117 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 RL118 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 RL119 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 RL124 2007 000939 R CHIP 47Kohm 1 1 10W TP 1608 RL125 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 RL126 2007 000102 R CHIP 100Kohm 5 1 10W TP 1608 RL131 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 RL132 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 RL133 2007 000094 R...

Страница 34: ...18 2007 001212 R CHIP 82Kohm 5 1 4W TP 3216 R19 2007 001212 R CHIP 82Kohm 5 1 4W TP 3216 R20 2007 001212 R CHIP 82Kohm 5 1 4W TP 3216 R21 2001 000374 R CARBON 15OHM 5 1 4W AA TP 2 4X6 4MM R30 2001 000739 R CARBON 4 7MOHM 5 1 8W AA TP 1 8X3 2M R30 2201 001005 C CERAMIC DISC 2 2NF 20 400V Y5U TP 11X R30A 2201 001005 C CERAMIC DISC 2 2NF 20 400V Y5U TP 11X R50 2007 000472 R CHIP 1Kohm 5 1 4W TP 3216 ...

Страница 35: ...3 10 Samsung Electronics Electrical Parts List MEMO ...

Страница 36: ... B G N D 32 33 H 1 V 1 34 35 H 2 V 2 36 37 7 5V V 3 38 39 GN D V 4 40 1 2 3 4 5 6 7 FPC CN V02 52746 1690 C N301 54393 1792 1 SS5V 2 SS5V 3 I R _LA M P_CTL 4 G ND 5 G ND 6 RM _DATA 7 N C 8 G ND 9 G ND 10 G ND 11 N C 12 N C 13 G ND 14 G ND 15 M IC_L 16 M IC_R 17 G ND 18 G ND CN 01 52746 1690 1 GND 2 M I C_R 3 GND 4 M I C_L TO M I C CN 02 52746 1690 W I R E 1 SW3 V 2 C AM_LED_ON 3 GND 4 MUNU_UP 5 VC...

Страница 37: ...Wiring Diagram 4 2 Samsung Electronics MEMO ...

Страница 38: ... otherwise noted Note Special note Most semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under 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 t...

Страница 39: ...Schematic Diagrams 5 2 Samsung Electronics 5 1 PRE AMP PRML ...

Страница 40: ...Schematic Diagrams Samsung Electronics 5 3 5 2 DV 1 CHIP ...

Страница 41: ...Schematic Diagrams 5 4 Samsung Electronics 5 3 VIDEO I F ...

Страница 42: ...Schematic Diagrams Samsung Electronics 5 5 5 4 SERVO ...

Страница 43: ...Schematic Diagrams 5 6 Samsung Electronics 5 5 SYSCON ...

Страница 44: ...Schematic Diagrams Samsung Electronics 5 7 5 6 AUDIO ...

Страница 45: ...Schematic Diagrams 5 8 Samsung Electronics 5 7 DC DC CONVERTER ...

Страница 46: ...Schematic Diagrams Samsung Electronics 5 9 5 8 Camera Process ...

Страница 47: ...Schematic Diagrams 5 10 Samsung Electronics 5 9 Camera DSP ...

Страница 48: ...Schematic Diagrams Samsung Electronics 5 11 5 10 Camera Memory Block ...

Страница 49: ...Schematic Diagrams 5 12 Samsung Electronics 5 11 EVF ...

Страница 50: ...Schematic Diagrams Samsung Electronics 5 13 5 12 Front ...

Страница 51: ...Schematic Diagrams 5 14 Samsung Electronics 5 13 Function ...

Страница 52: ...Schematic Diagrams Samsung Electronics 5 15 5 14 LCD ...

Страница 53: ...Schematic Diagrams 5 16 Samsung Electronics 5 15 Jack Board ...

Страница 54: ...Schematic Diagrams Samsung Electronics 5 17 5 16 CVF ...

Страница 55: ...Schematic Diagrams 5 18 Samsung Electronics MEMO ...

Страница 56: ...djustment Manual DIGITAL VIDEO CAMCORDER CONTENTS ELECTRONICS Samsung Electronics Co Ltd JUL 2003 Printed in Korea AD82 00015A This Manual is for only Alignment and Adjustment method of Thata Chassis File with the Service Manual This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ...

Страница 57: ...1 3 When changing the adjustment item please press the EASY and DISPLAY buttons on the video camera ˆ You can change the adjustment value to move the MENU Selector Up or Down Ø After setting adjustment value please push the MENU Selector to confirm Data STEP 3 If you want to finish the adjustment mode you have to do Power Reset The Power Reset means that you pull out the power source and pull in i...

Страница 58: ...ll be adjusted automatically 2 Function of each buttons on the SET Key Buttons Description MENU Selector push Confirm Stores changed value in the adjustment and auto adjustment mode MENU Selector down Data Down Changes data in the adjustment state MENU Selector up Data Up EASY Mode Up Changes mode DISPLAY Mode Down Table 1 1 Table 1 2 Model Address Name Value Description 437 SWP Position 80 Head S...

Страница 59: ... 5 Adjust the following items after changing EEPROM and Main PCB Œ Lens Zoom Track Zoom VR Center ˇ Auto HALL Auto IRIS ˆ Auto White Balance indoor Ø Auto White Balance outdoor 2 1 Adjustment Preparation 1 Measuring Instrument Œ DC power supply Oscilloscope ˇ NTSC Vectorscope PAL vectorscope NTSC wave form monitor PAL wave form monitor ˆ NTSC TV or Monitor PAL TV or Monitor Ø Color bar chart Gray ...

Страница 60: ...ZOOM buttons on the video camera at the same time for more than 5 seconds When monitor OSD appears as shown Fig 2 2 the adjustment mode has been activated successfully ˇ Move the MENU Selector to highlight CAM ADJ and push the MENU Selector When changing the adjustment item please press the EASY button on the Camera ˆ You can change the adjustment value to move the MENU Selector Up or Down Ø After...

Страница 61: ...ng the initalize 2 Lens Zoom Track Caution For whole zoom range it shall be in focus The location of a focus lens is moving depending on the location of Zoom Lens During adjusting micom measures the focus location from a near distance to a long Œ Camera is set to E E mode Focus chart photo ˇ Ensure that camera is left an about 3m distance from a focus chart and the focus of lens is placed vertical...

Страница 62: ...alue with an iris closed Store max and min value of in OBC OBD and OBB respectively ˆ The OSD shows OK after finishing the adjustment 6 Auto White Balance indoor Œ Camera mode 3100 K 5100 K gray scale chart Connect a video output terminal to a vectorscope and a TV ˇ Press the EASY Mode Up DISPLAY Mode Down buttons so that OSD shows OD4 XX XX Ensure that camera picks up image 40µs on 3100 K gray sc...

Страница 63: ... successfully ˇ Move the MENU Selector to highlight LCD CVF ADJ and push the MENU Selector When changing the adjustment item please press the EASY DISPLAY buttons on the camera ˆ You can change the adjustment value to move the MENU Selector Up or Down Ø After setting adjustment value please push the MENU Selector to confirm Data Fig 3 1 EASY Button DISPLAY Button PB ZOOM Button STOP Button MENU Se...

Страница 64: ...00 04 98 00 A0 00 05 20 16 17 16 06 49 8A 4B 8A 07 1B 00 1B 00 08 1B 84 1B 84 09 D3 30 D3 30 0A 40 00 40 00 0B 34 B2 34 B2 0C 4A 90 40 90 0D CE A0 CE A0 0E 35 B4 35 B4 0F 17 74 17 74 10 E8 75 E8 75 11 09 00 09 00 12 23 00 23 00 13 04 6A 05 6A 14 00 5F 00 5F 15 0C C2 10 C2 16 00 88 00 88 17 60 60 18 7F 7F 19 81 88 1A 6A 6A 1B 00 00 1C 03 03 1D 82 82 1E 02 02 1F 02 02 20 70 70 21 07 07 22 03 03 ...

Страница 65: ... PLAY Key Cover the Top End sensor with black tape because they do not operate Note For the removal of the Housing Ass y SWITCH PUSH CONNECTED TO THE RECORDER CIRCUIT Fig 4 1 4 2 Setting Mechanical Mode Without Recorder Circuit 1 Set the power supply output to approx 3V 2 Choose the polarity depending on whether load ing or unloading 3 Supply the voltage to the Motor Loading and set to the desired...

Страница 66: ... counterclockwise by hand Note Do not rotate the motor by power or rotate the Upper Drum assembly clockwise Also the Head tip will be damaged if the lens tissue is moved in a perpendicular direction Be sure to follow these instructions when cleaning the Drum Ass y 2 Cleaning of Tape Path Œ In EJECT mode clean the tape path system from Pole Tension P1 through Pole Review P7 Pinch Roller and Capstan...

Страница 67: ...e tip of a Ø 2mm stick as shown in Fig 4 4 Table 4 2 Fig 4 4 O Cleaning COil Confirmation Tape path system D R I V I N G S Y S T E M Never let oil get on to the tape path surface Maintenance checks Hours of use H Remark 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 Cleaning of tape path O O O O O O O O O O Cleaning and degaussing of drum ass y O O O O O O O O O O Capstan Shaft Gear Capstan Gear...

Страница 68: ... distance between external surface of Holder Loading and center of Arm Tension is 0 1mm Fig 4 5 ˇ If necessary proceed to step 4 If the Arm Tension is located inside the position specified adjust the Band Adjust Tension toward arrow A If it is located outside adjust toward arrow B Note Check if the Arm Tension can be moved toward arrow C in PB mode 3 Reassembly Œ For the removal of the Housing Ass...

Страница 69: ...y and check that the torque value of Reel S is 12 5 3g cm 4 If necessary replace the defective Gear pully Ass y 4 4 d Reel Table Height Check 1 Removal Œ For the removal of the Housing Ass y For the removal of the Idler Ass y 2 Check Œ Using vernier calipers check the following distances From the upper surface of the PCB Reel to the resting surfaces of Reel S T table should each be 3 9 0 1mm 3 Mou...

Страница 70: ...inch Roller Observe the PB RF signal and Head Switching Pulse on an oscilloscope ˇ Play back the alignment tape Check that the waveform of the RF signal is flatat both inlet and outlet A in Fig 4 7 If not flat B or C in Fig 4 7 do adjustments 4 5 b through 4 5 d INLET OUTLET NORMAL DEFECT AT INLET DEFACT AT OUTLET A B C Fig 4 7 S REEL T REEL P1 P3 P2 P5 P6 P7 Fig 4 8 ...

Страница 71: ...tlet 4 5 c P7 Adjustment Œ Play back the alignment tape and confirm that the tape is not twisted between the Guide Roller T and Capstan If the tape is twisted turn P7 Fig 4 10 Set to REV mode and observe the outlet waveform of PB RF signal Fig 4 11 ˇ If the outlet waveform is out of spec turn P7 counterclockwise and redo steps 1 and 2 P7 CAPSTAN P5 P3 Fig 4 9 P7 CAPSTAN P5 P3 Fig 4 10 Fig 4 11 ...

Страница 72: ...orm Fig 4 13 2 CUE and REV Check Œ Play back the alignment tape and set to REV mode Confirm that the waveform peaks have a uniform Pitch Fig 4 14 A If the track pitch is not uniform do section 4 5 b Tracking adjustment and 4 5 c P7 adjustment Set to CUE mode Confirm that the waveform peaks still have a uniform pitch Fig 4 14 B If the track pitch is not uniform do section 4 5 b Tracking Adjustment ...

Страница 73: ... Pinch Roller Fig 4 15 ˇ Run the tape in CUE REV and FF REW modes then playback Confirm the waveform of PB RF signal rises flat within 3 seconds Also confirm that the tape is not twisted or curled around the Pinch Roller Repeat steps 2 and 3 4 Tape Path Check Œ In CUE and REV modes check that the tape is not curled around the P1 P3 P5 upper flange and P7 upper Lower flanges P7 CAPSTAN P5 P3 Fig 4 ...

Страница 74: ...4 10 Alignment and Adjustments Samsung Electronics MEMO ...

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