Samsung VP-L900 Training Manual
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Samsung VP-L900 Training Manual

Samsung VP-L900 Training Manual

8mm camcorder
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See also: Owner's Manual
ELECTRONICS
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.
© Samsung Electronics Co., Ltd. FEB. 2004
Printed in Korea
AD82-00037A
8mm CAMCORDER
Chassis : W-8
VP-L900
VP-L906
VP-L907
TRAINING
8mm CAMCORDER
PAL
Manual
CONTENTS
8. Troubleshooting

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Summary of Contents for Samsung VP-L900

  • Page 1: Table Of Contents

    10. Wiring Diagram 11. PCB Diagrams 12. Schematic Diagrams This Service Manual is a property of Samsung Electronics Co .,Ltd. © Samsung Electronics Co., Ltd. FEB. 2004 Any unauthorized use of Manual can be punished under applicable Printed in Korea International and/or domestic law.

  • Page 2: Precautions

    Alternatively, wear a discharging Wrist-strap device. (Be sure to remove it prior to applying power--this is an electric shock precaution.) Samsung Electronics...
  • Page 3 Always inspect for pinched, out- of-place, or frayed wiring. Do not change the spacing between components and the printed circuit board. Check the AC power cord for damage. Make sure that leads and components do not touch thermally hot parts. Samsung Electronics...

  • Page 4: Product Specification

    Product Specifications Operation Description Recording system Video: 2 rotary heads Helical scanning FM Audio: FM monaural system Video signal PAL color, CCIR standard Usable cassette Hi8 or 8mm Tape speed SP: 20.051 mm/sec Speed mode Record: SP only Playback: SP only Recording time P6-120: 120 min.
  • Page 5 Product Specification MEMO...

  • Page 6: Operating Instructions

    VOLUME works in PLAYER mode. (see page 56) FADE works in CAMERA mode. 17. S-VIDEO out (see page 54) 24. BLC (see page 37) 18. PROGRAM AE (see page 38) BLC works in CAMERA mode PROGRAM AE (Auto Exposure) works in CAMERA mode. Samsung Electronics...
  • Page 7 (VP-L906/L907 only) (see page 15) PLAY Indicates 10 seconds timer. 0:00:25 CINEMA Z.RTN h. Self record recording timer. TITLE (VP-L906/L907 only) (see page 15) TAPE! (30 seconds or END). VOLUME Date (see page 42) Displays the date the recording was made. Samsung Electronics...
  • Page 8 12. USB AUDIO Cable (VP-L907 only) 13. Lens cover 13. Lens Cover Optional Accessory 14. S-VIDEO cable. (see page 54) 14. S-VIDEO cable Note: Optional accessories may be included with the camcorder, depending on the country in which it is purchased. Samsung Electronics...
  • Page 9 The Shoulder Strap allows you to carry your camcorder with complete safety. 1. Insert each end of the strap into the hooks on the camcorder. 2. Put the end of each strap through the buckle, adjust the length of the strap, then pull it tight in the buckle. Samsung Electronics...
  • Page 10 The LCD Screen will switch on automatically when opened more than 30 degrees. Note: If the adapter is used next to a TV or the camcorder, it may cause interference on the TV or camcorder. Keep the adapter away from the TV, camcorder or the antenna cable during use. Samsung Electronics...
  • Page 11 The life and capacity of the battery pack will be reduced if the battery pack is left in temperatures above 40°C for a long period, even when it is fully recharged. Do not put the battery pack near any heat source (fire or flames, for example) or leave in direct sunlight. Samsung Electronics...
  • Page 12 Push the red tab on the cassette to cover up the opening. b. REC b. Recording possible: If you no longer wish to keep the recording on the cassette, move the red tab back so that it no longer covers the hole. Samsung Electronics...
  • Page 13 REC SEARCH the button pressed. If you press REC SEARCH button briefly in STANDBY mode, REC SEARCH (Press briefly) your camcorder will playback in reverse for 3 seconds and return to the original position automatically. Samsung Electronics...
  • Page 14 The LCD ADJUST MENU will appear. LCD ADJUST [20] BRIGHT COLOUR 7. Turn the UP/DOWN dial to adjust the LCD brightness. [17] EXIT: MENU LCD ADJUST [20] BRIGHT COLOUR 8. Press ENTER. [20] The cursor will move to the next item. EXIT: MENU Samsung Electronics...
  • Page 15 You can see the video you shot on the LCD. To stop the PLAYBACK operation, press the (STOP) button. Note: You can also watch a recording on a TV screen. For more on how to connectthe camcorder to a TV or VCR see page 53. 3-10 Samsung Electronics...

  • Page 16: Advanced Shooting

    You can record a subject that is at least 1 mm away from the lens surface in the wide angle position. If you cannot obtain sharp focus in telephoto zoom, move the lever to the “W” side until the focus sharpens. Samsung Electronics 3-11...
  • Page 17 LANGUAGE ..ENGLISH 5. Press the MENU ON/OFF button to exit. WL.REMOCON ..ON NEXT: MENU In case of VP-L900 1. Set the power switch to CAMERA mode. 2. Press the D. ZOOM ON/OFF button. D.ZOOM The DIGITAL ZOOM guage should be displayed on the screen, and the DIGITAL ZOOM function is on.
  • Page 18 8. To switch Custom off, press the CUSTOM button once. The camera will revert to the settings that were set prior to the CUSTOM mode being switched on. Note: The CUSTOM settings will be stored in the camera (providing a good lithium battery has been installed). Samsung Electronics 3-13...

  • Page 19: Dis

    1. Set the power switch to CAMERA mode. (see page 18) 2. Press the MF button. MF icon will appear in display. 3. Zoom in on the subject to be shot by pushing the ZOOM tab to the “T” side. 3-14 Samsung Electronics...
  • Page 20 The shutter speed automatically varies from 1/50 to 1/250 second, depending on the picture. 6. HSS (High Speed Shutter) mode ( For shooting fast-moving subjects such as the players in golf or tennis games. You may need to light the shooting area. Samsung Electronics 3-15...
  • Page 21 The digital effects enable you to give a creative look to your recording by adding various special effects. Select the appropriate digital effect for the type of picture that you wish to shoot and the effect that you wish to give. There are several DSE modes. (VP-L900: 8 modes, VP-L906/L907: 9 modes) 1. Normal picture.

  • Page 22: Exit: Menu

    The area blinking indicates which part of the DATE or TIME can be edited. The year will be the first area to blink. CLOCK SETTING 0:00 29. AUG. 2005 6. Turn the UP/DOWN dial to set a desired year. EXIT: MENU Samsung Electronics 3-17...
  • Page 23 CUSTOM SET CLOCK SET TITLE SET TITLE....OFF D/TITLE COLOUR ..WHITE C.RESET ....0:00:00 DEMO ....OFF EXIT: MENU 5. Press ENTER. LANGUAGE A list of available languages will appear. ENGLISH [HAVING FUN] FRANÇAIS DEUTSCH ITALIANO ESPAÑOL PYCCKNZ EXIT: MENU 3-18 Samsung Electronics...
  • Page 24 START/STOP button to stop recording. a. FADE OUT Hold the FADE button a. FADE OUT Gradual disappearance (Approx. 4 seconds) b. FADE IN (Approx. 4 seconds) Gradual appearance b. FADE IN Release the FADE button Samsung Electronics 3-19...
  • Page 25 5. Press the MENU ON/OFF button to exit the WHITE BALANCE MENU setting. LCD ADJUST DIS......OFF D.ZOOM....OFF WHITE BAL..OUTDOOR DISPLAY ....ON LANGUAGE ..ENGLISH Note: The MENU ON/OFF function will not operate in EASY or WL.REMOCON ..ON EXIT: MENU REC mode. 3-20 Samsung Electronics...

  • Page 26: Menu

    EXIT: MENU 4. Press ENTER to select ON. SAMSUNG Demonstration will start. DEMONSTRATION 5. Set the power switch to OFF to end the Demonstration. Note: The MENU ON/OFF function will not operate in EASY or REC mode. Samsung Electronics 3-21...

  • Page 27: Dis

    2. If you want to protect the tape against accidental erasing, move the red tab on the cassette over the hole. 3. Set the POWER switch to OFF. 4. Close the LENS cover. 5. Remove the BATTERY PACK from the camcorder. 3-22 Samsung Electronics...
  • Page 28 If your TV or VCR are stereo, connect the audio cable to the input “L” of TV or VCR. In case of VP-L900/L906/L907, you can use an S-VIDEO cable to obtain better quality of pictures if you have a S-VIDEO connector on your TV.
  • Page 29 WL.REMOCON ..ON C.RESET....0:00:00 SPEAKER setting screen. LANGUAGE ..ENGLISH EXIT: MENU Volume control The Speakers volume can be controlled by turning the UP/DOWN dial during playback. Note: The volume cannot be changed while the MENU list is visable. 3-24 Samsung Electronics...
  • Page 30 2. Keep the camcorder in a ventilated, dry and warm place. 3. Do not keep the camcorder in a place where the temperature often changes, such as in a car. 4. Keep the camcorder in a stable place. Samsung Electronics 3-25...
  • Page 31 The install program automatically operates when the CD is inserted into CD-ROM. Note: If the program installed does not operate, double click Install.exe in CD-ROM Drive. 2. Click to install the program. 3. Follow the installation instructions. 3-26 Samsung Electronics...
  • Page 32 ENGLISH USB interface (VP-L907 only) 4. The window below displays the folder to install the program. The program is installed in the following folder. C:\Programfiles\Samsung\USB Media 2.0 Click to change the folder. 5. Connect the camcorder to PC. 6. PC finds the new hardware and installs the driver automatically.

  • Page 33: Using Your Camcorder Abroad

    You can view your recording on the LCD or viewfinder. However, to view a recording on a television or to make a copy to a video cassette recorder, the television or VCR must be PAL: VP-L900/L906/L907- compatible and have the appropriate audio/video jacks. PAL-compatible area...

  • Page 34: Disassembly And Reassembly

    4. Disassembly and Reassembly 4-1 Cabinet and PCB 4-1-1 Ass’y Housing Removal Œ REMOVE 2 SCREWS Fig. 4-1 Ass’y Housing Removal 4-1-2 Ass’y TOP Removal Œ Lift up the ASS'Y TOP Fig. 4-2 Ass’y TOP Removal Samsung Electronics...
  • Page 35 4-1-3 Ass’y Front Removal ´ REMOVE 1 SCREW Œ REMOVE 1 SCREW Fig. 4-3 Ass’y Front Removal 4-1-4 Ass’y Right Removal ´ REMOVE 2 SCREWS ˇ REMOVE 3 SCREWS Œ REMOVE 1 SCREW Fig. 4-4 Ass’y Right Removal Samsung Electronics...
  • Page 36 ´ REMOVE 1 SCREW Œ REMOVE 2 SCREWs Fig. 4-5 Ass’y Left Removal 4-1-6 Ass’y EVF and LCD Removal Œ REMOVE 4 SCREWS ˇ REMOVE 1 SCREW ´ REMOVE 2 SCREWS Fig. 4-6 Ass’y EVF and LCD Removal Samsung Electronics...
  • Page 37 Disassembly and Reassembly 4-1-7 Ass’y Rear Removal Œ REMOVE 1 SCREW Fig. 4-7 Ass’y Rear Removal 4-1-8 Ass’y Deck Removal Œ REMOVE 2 SCREWS Fig. 4-8 Ass’y Deck Removal Samsung Electronics...
  • Page 38 Disassembly and Reassembly 4-1-9 Ass’y Lens Removal Œ REMOVE 2 SCREWS ´ REMOVE 2 SCREWS Fig. 4-9 Ass’y Lens Removal Samsung Electronics...
  • Page 39 2. Choose the polarity depending on whether loading or unloading. (See Table 4-1) 3. Supply the voltage to the Motor Loading. Table 4-1 Drum side Opposite side Movement of chassis – Loading – Unloading Fig. 4-10 Loading and Unloading Samsung Electronics...
  • Page 40 3. Separate the Arm L ¨ and Arm R ˆ from the and lift the Housing Ass’y. Œ LEVER LOCK < Fig . A > ˆ ARM R ˇ LEVER ´ ROLLER SUB ¨ ARM L < Fig . B > Fig. 4-11 Housing Ass’y Samsung Electronics...
  • Page 41 3 screws ´. touch the Head tip ¨ during servicing. 1. Remove 3 screws ´, then lift the Drum Ass’y ˇ. ˇ DRUM ASS'Y ¨ HEAD TIP Œ MAIN CHASSIS ´ 3 SCREWS Fig. 4-12 Drum Ass’y Samsung Electronics...
  • Page 42 3. Secure with 2 screws Œ. 4. Mount the Holder FPC Ø and then secure with 1 screw ˆ. Œ 2 SCREW ´ COVER REEL ASS'Y ˆ 1 SCREW ˇ IDLER ASS'Y Ø HOLDER ¨ PIN Fig. 4-13 Idler Ass’y and Holder FPC Samsung Electronics...
  • Page 43 ˝ SUB DECK CAM ´ SUB DECK ASS'Y ∏ ARM TENSION ASS'Y ¨ 2 BOSS Ø PIN ˆ 2 RAILS Fig . B LEVER CAM Fig . A ˇ MAIN DECK ASS'Y ’ GUIDE PIN Fig. 4-14 Sub Chassis 4-10 Samsung Electronics...
  • Page 44 Pole-Base T Ass’y ´ (reverse of arrow “D”). then remove it from Link Loading T ¨. Œ POLE BASE S ASS'Y ´ POLE BASE T ASS'Y ˇ SUB DECK ASS'Y ¨ LINK LOADING T ˆ LINK LOADING S Fig. 4-15 Pole Base S, T Samsung Electronics 4-11...
  • Page 45 ARM PINCH ROLLER ASS'Y ∏ GUIDE PIN ¨ BUSH ˇ SUB DECK HOLE ˆ BUSH Œ ARM ´ ARM PINCH REVIEW ASS'Y ROLLER ASS'Y Fig . A Fig . B Fig. 4-16 Arm Pinch Roller and Arm Review 4-12 Samsung Electronics...
  • Page 46 3. Insert the Spring Tension Œ into the Spring Hook ¨ . ´ ARM TENSION ASS'Y ˆ PIN ARM TENSION ˇ SPRING HOOK Œ SPRING TENSION Ø SUB DECK GUIDE HOLE ∏ BUSH ¨ SPRING HOOK Fig. 4-17 Arm Tension Samsung Electronics 4-13...
  • Page 47 Ø BRAKE SOFT T ¨ REEL S ASS'Y ∏ REEL T ASS'Y Œ SPRING BRAKE SUB S ˆ BRAKE SUB S ASS'Y ´ SPRING HOOK ˇ SPRING HOOK Fig. 4-18 Reel (S, T), Brake Sub S Ass’y, Brake Soft T 4-14 Samsung Electronics...
  • Page 48 Ass’y ˇ are inserted into the Main Base. 3. Secure 2 screw Œ . Œ 2 SCREW ˇ MOTOR LOADING ASS'Y Ø GEAR LOADING ´ 2 HOOKS ¨ BOSS ˆ S/W MODE ASS'Y Fig. 4-19 Motor Loading, Gear Loading Samsung Electronics 4-15...
  • Page 49 4. Remove the Slider Main Ass’y ¨ . (arrow “C”) ¨ SLIDER MAIN ASS'Y ˇ LEVER EJECT TIMING POINT Œ 2 SCREWS ´ MOTOR CAPSTAN Fig . A ˆ GEAR CAM MAIN Fig. 4-20 Motor Capstan, Lever Eject, Slider Main 4-16 Samsung Electronics...
  • Page 50 Œ WASHER SLIT ´GEAR CAPSTAN ˇ BELT TIMING ˆ GEAR CAM MAIN TIMING (B) (HOLE) Ø LEVER CAM TIMING (A) (HOLE) ∏ PIN Fig. 4-21 Gear Capstan, Gear Pulley Ass’y, Belt Timing, Gear Cam Main, Lever Cam Samsung Electronics 4-17...
  • Page 51 Disassembly and Reassembly MEMO 4-18 Samsung Electronics...

  • Page 52: Alignment And Adjustment

    Head Switching Trigger - Pin 9 of CN452 CN452 J453 CN452 CN452 SW478 SW477 PB RF SW471 J451 J452 DC-JACK D451 SUPER-JACK ONLY Hi8 MODEL Head Switching - Trigger Fig. 5-1 Test point Fig. 5-2 Test location of test point (Rear Board) Samsung Electronics...
  • Page 53 IC601 158PIN PLAY IC601 159PIN LOADING EJECT UNLOADING LOADING STOP STOP Fig. 5-3 Table. 5-1 IC601 IC601 IC601 POSITION ACTION MODE 157PIN 158PIN 159PIN EJECT EJECT UNLOADING STOP UNLOADING STOP LOADING STOP LOADING STOP PLAY, FF, REW, STILL..Samsung Electronics...

  • Page 54: Camera Adjustment

    BLC (MODE UP) FADE (MODE DOWN) Mode change.(One step or 100 step) MENU ON/OFF (MODE UP ‘100’) MANUAL FOCUS RING (NEAR/FAR) Manual focus adjustment. ZOOM TELE 1) Move the zoom position of lens. ZOOM WIDE 2) Semi-Auto lens adjustment. Samsung Electronics...
  • Page 55 3. Eject the tape if it is in the unit. 4. Set the power switch of the camcorder to “CAMERA” position. STEP 3 0DF. ERR : A0 EVR : A0 Note : When “XX XX” is shown in service adjustment procedures, this indicates variable values. Samsung Electronics...
  • Page 56 The adjustment is finished when the O.K! message appears on the TV screen. Store the data to mode 099, 09A, 0AA, 0AB, 0AD, 0C9, 0CA, 0CB and 0CC. (3M±1cm) (Be sure to maintain the distance.) LENS Fig. 5-5 Samsung Electronics...
  • Page 57 Store the data to mode 0A2, 0A3, 0A4 and 0A5. - IRIS close, IRIS control minimum Value found. b-4. The OSD shows “OK!”. - Store the data to mode 0B5, 0B6, 0C7 and 0C8. 7) The OSD shows “O.K”. Samsung Electronics...
  • Page 58 7. Pre white balance (II) ; (B-Y) 70 IRE (NTSC) 500mV (PAL) 1) Camera “E-E”, 3100°K gray-scale chart. 2) Video(output) jack and AF MICOM. 4) Connect vectorscope input jack to video(output) jack. Fig. 5-10 3) Press the “BLC (MODE UP)/FADE(MODE Samsung Electronics...
  • Page 59 105. 7) Be sure to press the “ENTER (CONFIRM)” button to memorize setting. CYAN VECTOR Note : Bright dot shifts after the confirm button is 284 DEG. pressed. Fig. 5-13 (outdoor : 038, 039) Samsung Electronics...
  • Page 60 6) Adjust the “P.AE(DATA UP) /DSE(DATA DOWN)” button so that the Yellow vector is 165. 7) Be sure to press the “ENTER(CONFIRM)” button to memorize setting. Note : Bright dot shifts after the confirm button is pressed. (outdoor : 03E, 03F) Samsung Electronics...
  • Page 61 Then unit goes into service mode. EPR : XX EVR : XX DATA DOWN MODE DOWN MODE ‘100’ UP CONFIRM MODE UP DATA UP Fig. 5-15 Note : When XX XX is shown in service adjustment procedures, this indicates variable values. 5-10 Samsung Electronics...
  • Page 62 2) Adjust ADDRESS that a data of 5E9 is equal to 15(default). If you want, you can adjust other data in range “00~35” (Adjustment of 5EA, 5EB is in the same way.) 3) Adjust ADDRESS that a data of 5EA is equal to 15(default). 4) Adjust ADDRESS that a data of 5EB is equal to 1A(default). Samsung Electronics 5-11...
  • Page 63 2) Adjust VRE02 and check that A level is 2.5Vp-p. if not, adjust A level to be 2.5Vp-p. 6PIN CONNECTOR A LEVEL 20us <Fig. 5-17 Position of TP-V on EVF PCB> <Fig. 5-18 TP-V Wave form> Notes : When XX XX is shown in service adjustment procedures, this indicates variable values. 5-12 Samsung Electronics...

  • Page 64: Vcr Adjustment

    : there are 061h to 1 ch.(refer xxxx) : every address have a name like this (refer xxx) New data Present data : be adjusted newly. : be adjusted before. Fig. 5-19 3. How to get into service “ADJUST” mode. Samsung Electronics 5-13...
  • Page 65 5. If you want to finish the adjustment mode, you have to do “Battery Reset”. The “Battery Reset” means that you pull out the power source and pull in it again. Then, the adjustment is ended and the camcorder works normally. 5-14 Samsung Electronics...
  • Page 66 FRONT PCB MAIN PCB AUDIO GND VIDEO OUT CN452 PB RF AUDIO OUT HD SW VCR UNREG JIG CS VCR UNREG JIG SCK SS GND JIG SO REAR PCB JIG DETECT JIG SI Fig. 5-21 Video Signal Connection Samsung Electronics 5-15...
  • Page 67 DOWN)” button of Camcorder so as to select the address 061. MODEL NAME ADDRESSED CODE e. Insert the Standard Color Bar Tape and press the VP-L900 “PLAY” button. VP-L906 VP-L907 Note : If there is no video out, when you pressed the “PLAY”...
  • Page 68 6.5H(NTSC)/7.0H(PAL) automatically. EPR : XX EVR : XX<6.5H> g. Be sure to press the “ENTER(CONFIRM)” button on Camcorder to memorize setting. h. Reset the power source so as to fix the new data to the Camcorder’s EEPROM. Samsung Electronics 5-17...

  • Page 69: Deck Adjustment

    2. Choose the polarity (depending on whether loading or unloading). Drum side Opposite side Movement of Chassis 3. Supply the voltage to the Motor Loading, and set to the desired mode. – Loading – Unloading Fig. 5-23 5-18 Samsung Electronics...
  • Page 70 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. PINCH ROLLER Fig. 5-24 Samsung Electronics 5-19...
  • Page 71 (Oil contaminated with dust might cause the bearings to wear out or seize.) ◆ A “drop” of oil is defined as the amount attached to ø 2mm the tip of a ø 2mm stick as shown in Fig. 5-25. Fig. 5-25 5-20 Samsung Electronics...
  • Page 72 Note : Check if the arm tension can be moved toward arrow C in PB mode. Use the tape which is fed to the end. 0~1mm Hole of Holder Loading ARM TENSION 1 BAND ADJUST TENSION 2 Fig. 5-26 Samsung Electronics 5-21...
  • Page 73 * Remarks : If the cassette torque tape is recorded both in the LP/SP modes by mistake, the torque at the switching point between SP/LP modes becomes unstable. In that case, do the torque adjustment in REC mode. Fig. 5-27 5-22 Samsung Electronics...
  • Page 74 The upper surface of the P.C.B Reel to the Reel S table resting surface and the Reel T table rest- ing surface should each be 5.7 ± 0.2mm. REEL S TABLE REEL T TABLE RESTING SURFACE RESTING SURFACE SUB CHASSIS Fig. 5-28 Samsung Electronics 5-23...
  • Page 75 (Fig. 5-29 A). B DEFECT AT INLET If not flat (B or C in Fig. 5-29), do adjustments 2) through 5). C DEFECT AT OUTLET Fig. 5-29 REEL S REEL T Fig. 5-30 5-24 Samsung Electronics...
  • Page 76 2. Set to REV mode and observe the outlet waveform of PB RF signal. (Fig. 5-33) P7 CAPSTAN GUIDE ROLLER T (P5) GUIDE ROLLER S (P2) TAPE SHOULD NOT BE LOOSENED HERE Fig. 5-31 Fig. 5-32 (NG) (GOOD) Fig. 5-33 Samsung Electronics 5-25...
  • Page 77 Confirm that the waveform peaks still have a uni- waveform. (Fig. 5-35) form pitch. (Fig. 5-36 a = b = c a b c a b c > 65(%) Fig. 5-34 Fig. 5-36 < = Fig. 5-35 5-26 Samsung Electronics...
  • Page 78 Also confirm that the tape is not loosened or curled around the Pinch Roller. 4. Repeat steps 2. and 3. CAPSTAN GUIDE ROLLER T TAPE SHOULD NOT BE LOOSENED OR CURLED HERE Fig. 5-37 FROM THE REEL S TO THE REEL T Fig. 5-38 Samsung Electronics 5-27...
  • Page 79 Alignment and Adjustments MEMO 5-28 Samsung Electronics...

  • Page 80: Circuit Operating Description

    It supplies the power sorce of resistance. 3) Reset : It is used with the signal for the initial of the micom. When the battery attaches in the SET, it occurs. 7.4V UNREG V Vout Reset Fig. 6-1 Samsung Electronics...
  • Page 81 ! @ # $ 550k/F S.JOM > CHG.V.DET R454 SQ. 768KHz R407 & FTC BOX 1k/F G403 LJTHOLM KPC404 PTC SO BATTERV CHAPGE DONTROL BATT.BN COLPLER.DET BATT DET SW IC601 MICOM DC CONPLER SN EVER 9V EVER 3V Fig. 6-2 Samsung Electronics...
  • Page 82 6HR max (3.184V~1.296V) CHG CURRENT • 0.80A~0.41A 50 ~ 75% CHANGE 2 blink (1.28V~0.656V) “H” 2HR max CHG CURRENT 0.40A~0.051A 75 ~ 100% CHANGE 3 blink DET V (0.64V~0.0816V) 0.050A~0A “H” 0.5HR 100% CHANGE turn on (0.080V~0V) “L” Samsung Electronics...
  • Page 83 Circuit Operating Description Fig. 6-3 Charge Current Timer Spec Samsung Electronics...
  • Page 84 * LED Display : continuity turn on While charging 0.03A is below (C.CURRENT DET 0.048V) and unconditional charging it completes. * f Charge Completion * * LED Display : continuity turn on Charge LED : Continuity turn on, CHG CTL:”L” Samsung Electronics...
  • Page 85 DC/DC converter CAM DD ON POWER SWITCH EVER 3V VTR DD ON CAM. MICOM (IC601) SW477 SW478 VTR PWR SW CAM PWR SW VTR.PWR.SW CAM.PWR.SW VCR MODE OFF MODE CAM MODE VTR DD ON CAM DD ON Fig. 6-5 Samsung Electronics...
  • Page 86 Cassette hold up operation Cassette in stand-by Loading operation Unloading operation READY Pinch roller OFF Pinch roller release (STOP) Tension regulator OFF Tape running possible Pinch roller ON (Pinch roller press) Tension regulator ON *E.S.P : End Sensing Position Samsung Electronics...
  • Page 87 The mecha location it moves The mecha location it moves with a Unloading STOP location. with a Unloading STOP location. EJCET READY POSITION 100% LOAD PWM 100% UNLOAD PWM LOAD OUT UNLOAD OUT BRAKE 100ms 60ms Fig. 6-7 DE-10A LOAD/UNLOAD Control Samsung Electronics...
  • Page 88 TAPE TOP TAPE END MECHANISM Tape top/end detect time CAPSTAN ! T/E LED SPEED Loading 2.73ms 19.11ms 2.73ms 131.4ms @ Inverter 2.73ms 43.8ms 2.73ms 32.7ms 2.73ms 19.6ms # Sensor out 2.73ms 10.28ms $ Micom input 2.73ms 8.19ms Fig. 6-8 Samsung Electronics...
  • Page 89 700ms IC601 IC502 MICOM MOTOR DRIVE CN501 T REEL FG 43 SS 5V S REEL FG 32 T REEL 35 R REEL 33 TR LED(-) 3V min ! Sensor output 2V max @ Micom input Fig. 6-9 6-10 Samsung Electronics...
  • Page 90 - The key which excepts the power and tape eject key does not operate. - When the Dew occurs, it is canceled to be respected, 1 hour degree it is caught. MICOM SS 3V IC601 330KΩ CN501 1KΩ DEW DET. DEW (-) 330KΩ Fig. 6-10 Samsung Electronics 6-11...

  • Page 91: Battery Level

    1MΩ EVER 3V Fig. 6-11 A. Bettery Level Detect <Table 6-8> Battery Level Battery Voltage 100% ~ 90% 8.4V ~ 7.75V 90% ~ 60% 60% ~ 40% 40% ~ 20% 20% ~ 5% 5% below 6.0V below 6-12 Samsung Electronics...
  • Page 92 DSP SO OSD/AUD. SO & DSP SCK AUDIO CS PROM DATA PROM CLK CDS/AGC,DIS IC701 Z.MOTOR IC AUDIO PROCESS PROM PROTECT CDS/DIS SI CDS/DIS SO CDS/DIS SCK IC603 PROM & IC501 REAL TIME CLOCK RS5C372A Fig. 6-12 Samsung Electronics 6-13...
  • Page 93 WIDTH MAIN B’d MENU B’d MENU B’d RING1 RING2 PLAY/STILL (LIGHT) 29—49 FADE P.AE (EDIT-) 76—96 EASY 1.07 (MF) MENU UP MENU DOWN 106—126 MENU DIAL DIAL 1.45 144—164 STOP 1.90 (DATE/TIME) 181—191 2.25 (EDIT+) 218-238 248-256 6-14 Samsung Electronics...
  • Page 94 @ The reel the rotate pulse is not input UNLOADING initial 0.4 second over.The mecha is transient with READY mode. 2) traveling ! The reel there is not change of the pulse. (NTSC : 2.4sec , PAL : 1.8sec) Samsung Electronics 6-15...
  • Page 95 E M E R G E N C Y N D E X 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 New Data Old Data Fig. 6-14 EMERGENCY DISPLAY 6-16 Samsung Electronics...
  • Page 96 (2) Oscillation frequency = 32.76395KHz ; Standard frequency = 32.76805KHz regulation value = (32763.95 - 32768.05) 5 10+1 = -41.015 * The clock frequency output from of the INTRB(32KHz) pin does not change to after the regulation due to clock regulation circuit. Samsung Electronics 6-17...
  • Page 97 4) The IC501 1pin it connects the frequency counter. 5) It calculates a regulation value . 6) It moves with a regulation address number 062 7) The HEX it fixes the regulation price which is converted at value. 8) It presses the set button. 6-18 Samsung Electronics...
  • Page 98 In order for the phase change of remaking signal to be minimized. @CAPSTAN SERVO TRACK set to RECORD is delicately pursued to VCR HEAD and to obtain the maximum of PLAY SIGNAL CAPSTAN MOTOR CONTROL is carried out. Samsung Electronics 6-19...
  • Page 99 Circuit Operating Description Fig. 6-17 Toal block diagram 6-20 Samsung Electronics...
  • Page 100 285.387 47.5645 292.512 48.752 288.906 48.151 294.348 49.058 296.208 49.368 EDIT- 298.092 49.682 EDIT- 298.092 49.682 STILL 299.042 49.8403 STILL 300.000 PLAY PLAY 307.882 51.3137 303.889 50.6482 311.979 51.9965 305.873 50.9788 316.189 52.6982 307.881 51.3135 329.525 54.9208 Samsung Electronics 6-21...
  • Page 101 PAL :583µs) -.PAL : (1/15625)*7=448µs 1°=1/25/360 =111.11µs Fig. 6-18 Drum phase control from Play mode The head switching signal comes to make in order to use with the switching signal for a play / recording head selection. 6-22 Samsung Electronics...
  • Page 102 TBC counter play mode result 6.5H NTSC:63.5556*6.5=413.1115us PAL :64*6.5 =416us Fig. 6-19 Drum phase control from recording mode Standard it does the head switching which is regulated from play mode. The micom records 6.5H Interval. Samsung Electronics 6-23...
  • Page 103 CAP FG REMARKS SPEED CAP FG REMARKS 18063.543 9502.354 13561.525 7054.290 11229.276 5807.485 8840.23 4545.120 6392.286 3266.901 1310.772 EDIT- 661.690 EDIT- STILL STILL 1327.55 PLAY 665.925 PLAY 6812.141 3372.797 9663.946 4752.727 12592.696 6150.785 15601.549 7567.33 21873.078 10457.365 6-24 Samsung Electronics...
  • Page 104 Is controlled signals for the normal tracking, while play in order to detect the location of the head. Head Switching Signal Pickup piolt from tape in playback SEL1 SEL2 Reference piolt Comparison result of l ! - @ l 16KHz 46KHz ATF error Micom’s check point Fig. 6-20 Samsung Electronics 6-25...
  • Page 105 It will be able to change the timing of the each clock in order, the Register is allocated. (3) SSG(sync signal generator) It outputs a motive signal.(FLD, VD, HD) By a necessity there is also a case which outputs composite video sync. 6-26 Samsung Electronics...
  • Page 106 By the voltage which becomes the input in the SUB it controls the accumulation and a purge of resistance from the ICX280HKM-K. When sub voltage control it makes a motive in the CCD READ OUT pulse and the electronic shutter is operated. Samsung Electronics 6-27...
  • Page 107 1 FIELD (1/60 SEC) Fig. 6-23 Timming of electronic shutter V (1/60 SEC) V (1/60 SEC) READ OUT PULSE SHUTTER CONTROL PULSE (1/50 ~ 1/15750 SEC) (1/50 ~ 1/15750 SEC) (1/15750 SEC) Fig. 6-24 Control of electronic shutter 6-28 Samsung Electronics...
  • Page 108 The V4, the V3, V2, V1 pulse is input with 1,2,3,4, each pins of the ICCO1 (Image Sensor). ICP01 KS7221D CCD DRIVE XSG2 ICC01 ICP06 CCD IMAGE S5C7341X01 XSG1 SENSOR XSUB SUB DC BIAS Fig. 6-25 electronic shutter and Verticality Register circuit Samsung Electronics 6-29...
  • Page 109 Circuit Operating Description MEMO 6-30 Samsung Electronics...

  • Page 110: Deck Operating Description

    ¨ ARM TENSION ASS’Y Ô MOTOR CAPSTAN ASS’Y ¯ BRAKE T SOFT T ASS’Y ˆ POLE BASE S ASS’Y  GEAR CAPSTAN Ø BRAKE SUB S ASS’Y Ò ARM REVIEW ASS’Y ∏ REEL S ASS’Y Ú POLE BASE T ASS’Y Samsung Electronics...
  • Page 111 ’ GEAR CAPSTAN ´ GEAR LOADING ASS’Y ˝ SLIDE MAIN ˇ SWITCH MODE Ô BELT TIMMING ¨ GEAR CAM MAIN  LEVER EJECT ˆ LEVER CAM Ò GEAR PULLEY Ø HOLDER FPC SUB ∏ DRUM ” MOTOR CAPSTAN Samsung Electronics...
  • Page 112 Chassis sub Loading BL 4 STOP 202° ~ 208° Stopped BL 5 PLAY 262.5° ~ (287°) In REC/CUE/FF/REW/PAUSE Note ; 0 = Opened , 1 = Connected with COMMON Reference line of switch mode and GEAR CAM MAIN. Fig. 7-3 Samsung Electronics...
  • Page 113 2) Gear Loading ¨ rotates. 3) Switch Mode ˆ rotates. 4) Gear Cam Main Ø rotates. ´ GEAR WHEEL MOTOR Œ MOTOR LOADING ˇ GEAR WORM LOADING ¨ GEAR LOADING ˆ SWITCH MODE Ø GEAR CAM MAIN Fig. 7-4 Samsung Electronics...
  • Page 114 4) Gear Cam Main ¨ rotates. UNLOAD 5) Lever Cam ˆ turns. 6) Chassis Sub Ø slides. SUB LOAD STOP PLAY Œ MOTOR LOADING ´ GEAR LOADING ˇ SWITCH MODE ¨ GEAR CAM MAIN ˆ LEVER CAM Ø CHASSIS SUB Fig. 7-5 Samsung Electronics...
  • Page 115 5) Slider Main ˇ slides in direction of arrow. SUB LOAD 6) Lever Brake S ˆ released by Slider Main ˇ. STOP PLAY Œ MOTOR LOADING ˇ SLIDER MAIN ˆ LEVER BRAKE S ¨ LEVER SUB S ´ CHASSIS SUB Ø REEL S Fig. 7-6 Samsung Electronics...
  • Page 116 SUB LOAD STOP ◆ Brake Soft T ˆ (One-Way effect) ; Reel T rotates clockwise PLAY ; Reel T rotates counterclockwise. Œ MOTOR LOADING ´ CHASSIS SUB ˇ SLIDER MAIN ¨ REEL T ˆ BRAKE SOFT T Fig. 7-7 Samsung Electronics...
  • Page 117 Arm Tension ˇ moves by S/W Mode Cam Curve B ˆ. SUB LOAD STOP PLAY ∏ CHASSIS MAIN Œ MOTOR LOADING ˇ ARM TENSION Ø SPRING TENSION ˆ S/W MODE CAM CURVE ¨ CAM CURVE ´ CHASSIS SUB Fig. 7-8 Samsung Electronics...
  • Page 118 7) Slide Main ¨ moves to right. STOP 8) Pinch Roller Ø released from shaft of Motor Capstan ∏. (Return to STOP) PLAY Œ MOTOR LOADING ˆ MOTOR CAPSTAN Ø PINCH ROLLER ¨ SLIDER MAIN ˇ ARM PINCH ROLLER ´ CHASSIS SUB Fig. 7-9 Samsung Electronics...
  • Page 119 3) Arm Review ˆ simultaneously rotates and translates by UNLOAD Cam Curve ¨ of Chassis Main ˇ. SUB LOAD STOP PLAY Œ MOTOR LOADING ˇ CHASSIS MAIN ˆ ARM REVIEW ¨ CAM CURVE ´ CHASSIS SUB Fig. 7-10 7-10 Samsung Electronics...
  • Page 120 6) Pole Base S Ø, T ∏ attaches to “V” groove of Main Chassis ”. SUB LOAD STOP PLAY ” MAIN CHASSIS Œ MOTOR LOADING Ø POLE BASE S ∏ POLE BASE T ˇ SLIDER MAIN ¨ ARM LOADING S ˆ ARM LOADING T ´ CHASSIS SUB Fig. 7-11 Samsung Electronics 7-11...
  • Page 121 4) Gear Idler ˆ engages Reel T Ø or Reel S ∏. 5) Reel T Ø or Reel S ∏ rotates. Œ MOTOR LOADING DRUM ´ GEAR CAPSTAN ˇ BELT TIMING Ø REEL T ∏ REEL S ˆ GEAR IDLER ¨ GEAR PULLEY Fig. 7-12 7-12 Samsung Electronics...
  • Page 122 Houshing is locked By Lever Locker’s Front edgs Ø ∏ turns on S/W push ´ CHASSIS SUB'S FRONT EDGE Œ CATCH ¨ LEVER LOCKER ˇ KEY Ø LEVER LOCKER'S FRONT EDGE ∏ S/W ˆ CHASSIS SUB CATCH Fig. 7-13 Samsung Electronics 7-13...
  • Page 123 Motor Loading rotates in rotated by Silder Main direction of arrow reverse and then stops. and Pinch Roller slightly, and Lever Brake detaches from Capstan S, Brake Main T contact Shaft. Drum stops. Motor Capstan stops. Reel for braking 7-14 Samsung Electronics...
  • Page 124 Deck Operating Description Fig. 7-14 Samsung Electronics 7-15...
  • Page 125 Capstan Shaft. Gear Capstan, Belt Timing, Gear Pully, Gear Idier rotate. Reel S rotates. Reel T rotates. * The tape fed from the Motor Capstan is wound by this operation. ARM TENSION GEAR MODE SWITCH CAM Fig. 7-15 7-16 Samsung Electronics...
  • Page 126 Deck Operating Description Fig. 7-16 Samsung Electronics 7-17...
  • Page 127 Gear Capstan, Belt Timing, Gear Pully, Gear Idler rotate. Pinch Roller rotates 19 times faster tnan Reel T rotates 19 times faster tnan PLAY mode. PLAY mode. * This operation feeds tape 19 times faster than PLAY mode. 7-18 Samsung Electronics...
  • Page 128 Deck Operating Description Fig. 7-17 Samsung Electronics 7-19...
  • Page 129 Brake Soft T contacts Reels T by reverse rotation of Reel T. Reel S rotates 19 times Pinch Roller rotates 19 times faster than PLAY mode. faster than PLAY mode. * This operation feeds tape backward 19 times faster than PLAY mode. 7-20 Samsung Electronics...
  • Page 130 Deck Operating Description Fig. 7-18 Samsung Electronics 7-21...
  • Page 131 Reel T stops. Reel S stops. * Drum is still rotating during REC/PAUSE Push START/STOP Key. Motor Capstan rotates. Pinch Roller rotates. Reel T rotates. Reel S rotates. * Tape is wound to Reel T by this operation. 7-22 Samsung Electronics...
  • Page 132 Deck Operating Description Fig. 7-19 Samsung Electronics 7-23...
  • Page 133 Slide Main and push Lever Locker to release lock of Housing. Motor Loading stops. Housing raised. (Eject completed) Motor Loading rotates Lever Eject moves back by Slider Main to lock Housing. Motor Loading stops. 7-24 Samsung Electronics...
  • Page 134 Deck Operating Description Fig. 7-20 Samsung Electronics 7-25...
  • Page 135 Gear Capstan, Belt Timming, Gear Pully, Gear Idler rotate. Reel T rotates approx. 9 times faster than PLAY Reel S rotates approx. 9 times faster mode. than PLAY mode. * Tape which is fed by Motor Capstan is wound up to Reel T. 7-26 Samsung Electronics...
  • Page 136 Deck Operating Description Fig. 7-21 Samsung Electronics 7-27...
  • Page 137 Reel T rotates in reverse approx. Reel S rotates in reverse approx. 7 times faster than PLAY mode. 7 times faster tnan PLAY mode. * Tape which is fed by Motor Capstan is wound up to Reel S. 7-28 Samsung Electronics...
  • Page 138 Deck Operating Description Fig. 7-22 Samsung Electronics 7-29...
  • Page 139 Deck Operating Description MEMO 7-30 Samsung Electronics...

  • Page 140: Block Diagram

    HALL VALUE (SCK, SI, SO, CS) CVF R ,G ,B SIGNAL CTRL ZOOM / FOCUS RESET CIRCUIT IC601 UPD703039 IC603 MICOM EEPROM (CAMERA , VTR ONE CHIP) CIRCUIT DISPLAY DEVICE Samsung Electronics This Document can not be used without Samsung’s authorization...
  • Page 141 Block Diagram MEMO This Document can not be used without Samsung’s authorization Samsung Electronics...

  • Page 142: Wiring Diagram

    10. Wiring Diagram Samsung Electronics 10-1...
  • Page 143 Wiring Diagram MEMO 10-2 Samsung Electronics...
  • Page 144 11-7 Function PCB - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-6 Samsung Electronics...

  • Page 145: Pcb Diagrams

    PCB Diagrams 11-1 Main PCB COMPONENT SIDE 11-2 Samsung Electronics...
  • Page 146 PCB Diagrams CONDUCTOR SIDE Samsung Electronics 11-3...

  • Page 147: Rear Pcb

    PCB Diagrams 11-2 Rear PCB COMPONENT SIDE CONDUCTOR SIDE 11-3 EVF PCB COMPONENT SIDE CONDUCTOR SIDE 11-4 Samsung Electronics...

  • Page 148: Ccd Pcb

    PCB Diagrams 11-4 CCD PCB COMPONENT SIDE CONDUCTOR SIDE 11-5 LCD PCB COMPONENT SIDE CONDUCTOR SIDE Samsung Electronics 11-5...

  • Page 149: Front Pcb

    PCB Diagrams 11-6 Front PCB 11-7 Function PCB 11-6 Samsung Electronics...

  • Page 150: Schematic Diagrams

    12-11 CCD (CCD PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 12-12 Samsung Electronics 12-1 This Document can not be used without Samsung’s authorization...

  • Page 151: Schematic Diagrams

    Schematic Diagrams 12-1 DC/DC Converter (Main PCB) 12-2 Samsung Electronics This Document can not be used without Samsung’s authorization...

  • Page 152: System Control/Servo (Main Pcb)

    Schematic Diagrams 12-2 System Control/Servo (Main PCB) Samsung Electronics 12-3 This Document can not be used without Samsung’s authorization...

  • Page 153: Pre Amp (Main Pcb)

    Schematic Diagrams 12-3 Pre Amp (Main PCB) 12-4 Samsung Electronics This Document can not be used without Samsung’s authorization...

  • Page 154: Audio (Main Pcb)

    Schematic Diagrams 12-4 Audio (Main PCB) Samsung Electronics 12-5 This Document can not be used without Samsung’s authorization...

  • Page 155: Camera (Main Pcb)

    Schematic Diagrams 12-5 Camera (Main PCB) 12-6 Samsung Electronics This Document can not be used without Samsung’s authorization...

  • Page 156: Function (Function Pcb)

    Schematic Diagrams 12-6 Function (Function PCB) Samsung Electronics 12-7 This Document can not be used without Samsung’s authorization...

  • Page 157: Front (Front Pcb)

    Schematic Diagrams 12-7 Front (Front PCB) 12-8 Samsung Electronics This Document can not be used without Samsung’s authorization...

  • Page 158: Rear (Rear Pcb)

    Schematic Diagrams 12-8 Rear (Rear PCB) Samsung Electronics 12-9 This Document can not be used without Samsung’s authorization...

  • Page 159: Evf (Evf Pcb)

    Schematic Diagrams 12-9 EVF (EVF PCB) 12-10 Samsung Electronics This Document can not be used without Samsung’s authorization...

  • Page 160: Lcd (Lcd Pcb)

    Schematic Diagrams 12-10 LCD (LCD PCB) Samsung Electronics 12-11 This Document can not be used without Samsung’s authorization...

  • Page 161: Ccd (Ccd Pcb)

    Schematic Diagrams 12-11 CCD (CCD PCB) 12-12 Samsung Electronics This Document can not be used without Samsung’s authorization...
  • Page 162 Check the input Check L902 circuit part voltage at IC901-28 Check the Check L913~L916 output vlotage Check the Check output voltage at L903, L911, L912, L918, L923 Q901,Q906, Q907 Check the input voltage at Change TR T901, Q901~Q910 Change IC901 Samsung Electronics...
  • Page 163 Troubleshooting LOADING DOES NOT OPERATE Check the CASSETTE down pulse at CN501-39 Check DRUM rotate Check CAPSTAN rotate Check LOADING MOTOR rotate Repair DECK ASS'Y and change DECK ASS'Y Samsung Electronics...
  • Page 164 IC401 (pin 8) Check H/V-SYNC Check pin 2, 3 of ICPO1 at IC401 (pin 19,20) Check SCLK,CS Check PIN 1, 75, 76 of IC601 and SI, SO at IC401 and pin 4 of IC401 (pin 1,2,3) Repair or Change IC401 Samsung Electronics...
  • Page 165 Check the MIC Check C731 input signal at IC701-63 Check Audio Check POWER of IC701 and output signal at CTL,DATA at IC701-54,55,57 IC701-63 Check Audio Check C729, R719 output signal at CN451-15 Check A/V JACK and A/V cable Samsung Electronics...
  • Page 166 Check PB FM input at IC701-17 Check Speak + , - Check POWER of IC701-52 of IC701 and Check PB FM input at IC701-17 CTL,DATA Check Audio Check IC701-39, 41 output signal at CN451 - 6,7 Check A/V JACK and A/V cable Samsung Electronics...
  • Page 167 ICA01-26pin ICA01-2~11pin, DSP-6~15pin Check IRIS & HALL block Check IRIS is open? ICL01, ICL03, QA01, QA02, CNPO2 Check CCD H,V-DRIVE Check ICPO2, DSP26~31pin pulse V1,V2,V3,V4&H1,H2 of CCD,CNP01 Check CCD-output Replace CCD or CCD BOARD CCD-7pin, QC01 Check CNCO1-4pin Samsung Electronics...
  • Page 168 101-7,11 Check Y/C signal at Repair or change PB_RF part ICP01-119,125 Check Y/C signal Change ICPO1 ICPO1-105,109 Check Video output signal Change IC201 at IC201-11,12,20 Check Video in/out Change Video in/out JACK Terminal Repair or Change REAR B`d Samsung Electronics...
  • Page 169 DRUM DOES NOT OPERATE Check the Vcc and GND of Check POWER block M,DRIVE IC(IC502) Check Check the IC601 M.DRIVE IC input voltage Check the M.DRIVE IC input Check POWER PWM block voltage Check the DRUM connector(CN56) and DRUM ASS'Y Samsung Electronics...
  • Page 170 Check the DRUM Check the D.PG/D.FC connector(CN56) pulse at IC502-28,35 of of DRUM ASS'Y M.DRIVE IC Check the output pulse of IC601-57(DRUM PWM) Check the IC601 IC input voltage at IC502-6-pin Check the DRUM connector(CN56) and DRUM ASS'Y Samsung Electronics...
  • Page 171 M.DRIVE IC(IC502) Check the Check the IC601 M.DRIVE input voltage at IC502-22pin Check the M.DRIVE IC Check the PWM block input voltage at IC502-41pin Check the output voltage at IC502-51,53,55 Check the CAPSTAN connector(CN52) and CAPSTAN ASSY 8-10 Samsung Electronics...
  • Page 172 Check POWER block IC(IC502) Check the C.FG Check the CAPSTAN connector pulse at IC502-36 (CN501) or CAPSTAN ASS'Y of M.DRIVE IC Check the output pulse of IC601-58 Check the IC601 (CAPSTAN PWM) Check the POWER PWM Block (Change Q907) Samsung Electronics 8-11...
  • Page 173 Check the output of IC502-3,4 voltage at IC502-61,63 Check the DRIVE Check the IC601 enable from MICOM to IC502-3,4 Check the MOTOR Check the LOADING DRIVE IC output voltage MOTOR DRIVE at IC502-61,63 Check the LOADING connector(CN501) and LOADING ASS'Y 8-12 Samsung Electronics...

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