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Sharp DV-NC200SS Service Manual

Vcr/dvd combination
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MAIN SECTION
1. SPECIFICATIONS ................................................................................................................................................ 1-1-1
2. LASER BEAM SAFETY PRECAUTIONS ............................................................................................................. 1-2-1
3. IMPORTANT SAFEGUARDS AND PRECAUTIONS ............................................................................................ 1-3-1
4. STANDARD NOTES FOR SERVICING ................................................................................................................ 1-4-1
5. PREPARATION FOR SERVICING ....................................................................................................................... 1-5-1
6. OPERATING CONTROLS AND FUNCTIONS ...................................................................................................... 1-6-1
7. CABINET DISASSEMBLY INSTRUCTIONS ........................................................................................................ 1-7-1
8. HOW TO INITIALIZE THE DVD PLAYER & VCR ................................................................................................. 1-8-1
9. ELECTRICAL ADJUSTMENT INSTRUCTIONS ................................................................................................... 1-9-1
10. FIRMWARE RENEWAL MODE (FIRMWARE VERSION UP) ............................................................................ 1-10-1
11. TROUBLESHOOTING ........................................................................................................................................ 1-11-1
12. FUNCTION INDICATOR SYMBOLS ................................................................................................................... 1-12-1
13. BLOCK DIAGRAMS ............................................................................................................................................ 1-13-1
14. SCHEMATIC DIAGRAMS/ CBA'S AND TEST POINTS ..................................................................................... 1-14-1
15. WAVEFORMS ..................................................................................................................................................... 1-15-1
16. WIRING DIAGRAM ............................................................................................................................................. 1-16-1
17. IC PIN FUNCTION DESCRIPTIONS .................................................................................................................. 1-17-1
18. LEAD IDENTIFICATIONS ................................................................................................................................... 1-18-1
19. EXPLODED VIEWS ............................................................................................................................................ 1-19-1
20. MECHANICAL PARTS LIST ............................................................................................................................... 1-20-1
21. ELECTRICAL PARTS LIST ................................................................................................................................ 1-21-1
1. STANDARD MAINTENANCE ............................................................................................................................... 2-1-1
2. SERVICE FIXTURE AND TOOLS ........................................................................................................................ 2-2-1
3. MECHANICAL ALIGNMENT PROCEDURES ...................................................................................................... 2-3-1
4. DISASSEMBLY / ASSEMBLY PROCEDURES OF DECK MECHANISM ............................................................ 2-4-1
5. ALIGNMENT PROCEDURES OF MECHANISM .................................................................................................. 2-5-1
6. DECK EXPLODED VIEWS ................................................................................................................................... 2-6-1
7. DECK PARTS LIST ............................................................................................................................................... 2-7-1
SHARP CORPORATION
SERVICE MANUAL
VCR/DVD COMBINATION
[ DV-NC200S(S)/
DV-NC200S(B) ]
[ DV-NC200(RU) ]
CONTENTS
1
DV-NC200S(S)/DV-NC200(RU)/DV-NC200S(B)
DV-NC200S(S)
DV-NC200(RU)
DV-NC200S(B)
MODELS
In the interests of user-safety (Required by safety
regulations in some countries) the set should be
restored to its original condition and only parts
identical to those specified be used.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
S55J4DV-NC200

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  • Page 1: Table Of Contents

    5. ALIGNMENT PROCEDURES OF MECHANISM ....................2-5-1 6. DECK EXPLODED VIEWS ........................... 2-6-1 7. DECK PARTS LIST ............................... 2-7-1 This document has been published to be used for SHARP CORPORATION after sales service only. The contents are subject to change without notice.
  • Page 2 MAIN SECTION VCR/DVD COMBINATION DV-NC200S(S)/DV-NC200(RU)/DV-NC200S(B) TABLE OF CONTENTS 1. SPECIFICATIONS ..................1-1-1 2. LASER BEAM SAFETY PRECAUTIONS ............1-2-1 3. IMPORTANT SAFEGUARDS AND PRECAUTIONS ........1-3-1 4. STANDARD NOTES FOR SERVICING ............1-4-1 5. PREPARATION FOR SERVICING ..............1-5-1 6. OPERATING CONTROLS AND FUNCTIONS ..........1-6-1 7.

  • Page 3: Specifications

    SPECIFICATIONS < VCR Section > TAPE SPEED: SP Description Unit Minimum Nominal Maximum Remark 1. Video 1-1. Video Output ( PB ) Vp-p 9HSFL6A 1-2. Video Output ( R/P ) Vp-p 1-3. Video S/N Y ( R/P ) W/O Burst 1-4.
  • Page 4 < DVD Section > ITEM CONDITIONS UNIT NOMINAL LIMIT 75 Ω load ±0.1 1 Video Output 2 Coaxial Digital Out mVpp 3 Audio (PCM) 1 kHz, 0 dB, 47k Ω load 3-1. Output Level 47k Ω load 3-2. S/N 3-3. Freq. Response fs = 48 kHz ±...

  • Page 5: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on.

  • Page 6: Important Safeguards And Precautions

    IMPORTANT SAFEGUARDS AND PRECAUTIONS 1. IMPORTANT SERVICE NOTES BEFORE RETURNING THE DVD VIDEO PLAYER Reverse the AC plug on the set and repeat AC voltage measurements for each exposed part. Any reading of Before returning the DVD video player to the user, 1.4V rms (this corresponds to 0.7mA rms AC.) or more is excessive and indicates a potential shock hazard perform the following safety checks.

  • Page 7: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Using lead-free wire solder a. The output pin of the 3 pin Regulator ICs is indicated When fixing the PWB soldered with the lead-free solder, as shown. apply lead-free wire solder. Repairing with conventional lead wire solder may cause damage or accident due to cracks.
  • Page 8 Soldering Iron Fig. S-1-3 (2) Lift each lead of the flat pack-IC upward one by one, using a sharp pin or wire to which solder will not adhere (iron wire). When heating the pins, use a fine Fig. S-1-1 tip soldering iron or a hot air desoldering machine.
  • Page 9 (4) Bottom of the flat pack-IC is fixed with glue to the 2. Installation CBA; when removing entire flat pack-IC, first apply (1) Using desoldering braid, remove the solder from the soldering iron to center of the flat pack-IC and heat foil of each pin of the flat pack-IC on the CBA so you up.
  • Page 10 Instructions for Handling Semi-conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is properly grounded to remove any static electricity that may be charged on the body.

  • Page 11: Preparation For Servicing

    PREPARATION FOR SERVICING How to Enter the Service Mode About Optical Sensors Caution: An optical sensor system is used for the Tape Start and End Sensors on this equipment. Carefully read and follow the instructions below. Otherwise the unit may operate erratically.

  • Page 12: Operating Controls And Functions

    OPERATING CONTROLS AND FUNCTIONS [ DV-NC200S(S) ] H9941IB 1-6-1...
  • Page 13 H9941IB 1-6-2...
  • Page 14 H9941IB 1-6-3...
  • Page 15 H9941IB 1-6-4...
  • Page 16 [ DV-NC200(RU) ] H9941IB 1-6-5...
  • Page 17 H9941IB 1-6-6...
  • Page 18 H9941IB 1-6-7...
  • Page 19 H9941IB 1-6-8...
  • Page 20 [ DV-NC200S(B) ] H9941IB 1-6-9...
  • Page 21 H9941IB 1-6-10...
  • Page 22 H9941IB 1-6-11...
  • Page 23 H9941IB 1-6-12...

  • Page 24: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart REMOVAL REMOVE/ Fig. This flowchart indicates the disassembly steps to gain LOC. PART *UNHOOK/UNLOCK/ Note access to item(s) to be serviced. When reassembling, RELEASE/UNPLUG/ DESOLDER follow the steps in reverse order. Bend, route, and dress the cables as they were originally.
  • Page 25 Reference Notes (S-2) CAUTION 1: Locking Tabs (L-1) and (L-2) are fragile. [3] Top Bracket Be careful not to break them. 1-1. Release three Locking Tabs (L-1). (S-2) 1-2. Release three Locking Tabs (L-2), then remove the Front Assembly. CAUTION 2: Electrostatic breakdown of the laser diode in the optical system block may occur as a potential difference caused by electrostatic charge accumulated on cloth, human body etc., during unpacking or repair...
  • Page 26 (S-7) [8] DVD Main (S-7) (S-9) (S-8) CBA Unit (S-8) CN301 CN201 (S-9) DVD Mecha (S-8) (S-10) (S-10) [9] VCR Chassis Unit Solder Short the three short lands by soldering. Short (Either of two places.) lands Short lands FPC Cable (L-3) Fig.
  • Page 27 Cylinder Assembly FE Head ACE Head Assembly [10] Deck Assembly Desolder SW507 Lead with blue stripe LD-SW [14] Jack-A CBA Lead with (S-11) blue stripe (S-13) (S-15) [13] Main CBA [12] Power [10] Deck Assembly SW CBA Cam Gear [13] Main CBA (S-11) [15] Jack-B Hole...
  • Page 28 HOW TO EJECT MANUALLY 1. Remove the Top Case. 2. Rotate the roulette in the direction of the arrow as shown below. 3. Pull the tray slowly manually. View for A Rotate this roulette in the direction of the arrow DVD Mecha H9941DC 1-7-5...

  • Page 29: How To Initialize The Dvd Player & Vcr

    HOW TO INITIALIZE THE DVD PLAYER & VCR To put the program back at the factory-default, initialize the DVD player & VCR as the following procedure. [DVD section] 1. Press [DVD], [1], [2], [3], [4], and [DISPLAY] buttons on the remote control unit in that order. Fig.

  • Page 30: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: "CBA" is an abbreviation for Figure 1 "Circuit Board Assembly." EXT. Syncronize Trigger Point NOTE: 1. Electrical adjustments are required after replacing circuit components and certain mechanical parts. It is important to do these adjustments only after all 1.0H 0.5H repairs and replacements have been completed.

  • Page 31: Firmware Renewal Mode (Firmware Version Up)

    FIRMWARE RENEWAL MODE (FIRMWARE VERSION UP) 4. The DVD player enters the F/W version up mode FIRMWARE is built-in program to operate DVD player. To get rid of error when playing new software (disc) in automatically. Fig. c appears on the screen and Fig. the market, FIRMWARE version is updated.
  • Page 32 8. Turn the power on by pressing the [OPERATE] button and the tray will close. 9. Press [DVD], [1], [2], [3], [4], and [DISPLAY] buttons on the remote control unit in that order. Fig. g appears on the screen. " ******* " differ depending on the models. MODEL : ******* Version : *.** Region : *...

  • Page 33: Troubleshooting

    TROUBLESHOOTING 1. Power Supply Section FLOW CHART NO.1 The power cannot be turned on. See FLOW CHART No.2 <The fuse blows out.> Is the fuse normal? Is normal state restored when once unplugged Check for lead or short-circuiting of primary power cord is plugged again after several seconds.
  • Page 34 FLOW CHART NO.6 P-ON+44V is not outputted. Check D013, C013, and their periphery, and Is 44V voltage supplied to the emitter of Q053? service it if defective. Is the "L" pulse (approximately 0V) inputted to Is the "H" pulse (approximately 5V) inputted to the base of Q053? the base of Q054? Replace Q053.
  • Page 35 FLOW CHART NO.11 DVD-P-ON+12V is not outputted. (AL+12V is outputted normally.) Is the "L" pulse (approximately 0V) outputted to Check Q1054 and PWRCON line, and service it if the collector of Q1054? defective. Replace Q1053. FLOW CHART NO.12 DVD-P-ON+5V is not outputted. (AL+5V is outputted normally.) Is the "H"...
  • Page 36 2. DVD Section FLOW CHART NO.1 The key operation is not functioning. Are the contact point and the installation state of Re-install the key switches (SW2020, SW2021, the key switches (SW2020, SW2021, SW2022) normal? SW2022) correctly or replace the poor switch. Check the key switches (SW2020, SW2021, When pressing each key switches (SW2020, SW2021, SW2022), do the voltage of each pin...
  • Page 37 FLOW CHART NO.4 The disc tray cannot be opened and closed. (It can not be done using the unit and the remote control unit.) The [No Disc] indication. Both picture and sound do not operate normally. Replace the DVD Main CBA. No improvement can be found.
  • Page 38 (S-Y, S-C) Check the line between each pin of IC1401 and each pin of IC101, and between each pin of CN2017 and each pin of IC101 on the Main CBA, and service Are the video signals shown below inputted into it if defective.
  • Page 39 FLOW CHART NO.6 Picture does not appear normally. [In the component video output (JK1403)] Set the disc on the disc tray, and playback. Replace the DVD Main CBA or the DVD Are the video signals outputted to each pin of Mechanism.
  • Page 40 (S-Y, S-C) Check the line between each pin of IC1401 and each pin of IC1402 on the Main CBA, and service Are the video signals inputted into each pin it if defective. of IC1402? 3PIN → IC1402 IC1401 8PIN Pr/Cr IC1402 8PIN Pr/Cr...
  • Page 41 FLOW CHART NO.7 Audio is not outputted. Set the disc on the disc tray, and playback. Replace the DVD Main CBA or the DVD Mechanism. Are the analog audio signals outputted to each pin of CN1601 on Main CBA? CN1601 13PIN DVD-AUDIO(L) CN1601 15PIN DVD-AUDIO(R) Check each line between each pin of CN1601 Are the analog audio signals inputted to each pin...
  • Page 42 3. VCR Section FLOW CHART NO.1 The key operation is not functioning. Are the contact point and the installation state of Re-install some key switches correctly or the key switches normal? replace some key switches. Check the key switches and their periphery, and Is the control voltage normally inputted into service it if defective.
  • Page 43 FLOW CHART NO.3 Cassette tape can not be loaded. When loading a cassette tape, on Pin(10) of Check the line between the start sensor and IC501, does the "L" pulse switch to the "H" pulse? Pin(10) of IC501, and service it if defective. When loading a cassette tape, is the specified Replace the Capstan Motor Unit.
  • Page 44 FLOW CHART NO.6 Capstan Motor does not rotate. Is 5V voltage supplied to Pin(2) of CN502? Check the P-ON+5V line and service it if defective. Is over approximately 2.6V voltage supplied to Check the line between Pin(5) of CN502 and Pin(5) of CN502? Pin(76) of IC501, and service it if defective.
  • Page 45 FLOW CHART NO.10 Video E-E does not appear. Is the Video signal inputted to Pins(48,50,52,54) of 1) In the external input mode IC301? Check the line between Pin(20) of JK101 (Scart jack) and Pin(50) of IC301, and service it if defective. Check the line between Pin(20) of JK1402 (Scart jack) and Pin(52) of IC301, and service it if defective.
  • Page 46 FLOW CHART NO.11 Hi-Fi E-E audio does not operate normally. Check the peripheral circuit of the front input terminal and service it if defective. Is each signal supplied to each pin of IC451 as below? L-ch R-ch Check the peripheral circuit of the Scart jack 1 Front input terminal Pin(8) Pin(54)
  • Page 47 FLOW CHART NO.12 Hi-Fi audio can not be recorded normally. (E-E mode is normal.) Is the REC FM signal outputted to Pin(26) of IC451? Replace IC451. Is the line between Pin(8) of CN253 and Check the line between Pin(8) of CN253 and Pin(26) of IC451, and service it if defective.
  • Page 48 FLOW CHART NO.15 Hi-Fi audio can not be playbacked normally in the linear audio mode. (E-E mode is normal.) Is the audio signal supplied to Pin(4) of IC301? Is the audio signal outputted to Pin(96) of IC301? Replace Check the line between Pin(96) of IC301 and Pin(54) of IC451, and IC301.

  • Page 49: Function Indicator Symbols

    FUNCTION INDICATOR SYMBOLS Note: If a mechanical malfunction occurs, the power is turned off. When the power comes on again after that by pressing [OPERATE] button, an error message is displayed on the TV screen for 5 seconds. MODE INDICATOR ACTIVE When reel and capstan mechanism is not "...

  • Page 50: Block Diagrams

    BLOCK DIAGRAMS <VCR SECTION> Servo / System Control Block Diagram 1-13-1 H9941BLS...
  • Page 51 Video Block Diagram 1-13-2 H9941BLV...
  • Page 52 Audio Block Diagram 1-13-3 H9941BLA...
  • Page 53 Hi-Fi Audio Block Diagram 1-13-4 H9941BLH...
  • Page 54 Power Supply Block Diagram 1-13-5 H9941BLP...
  • Page 55 BLOCK DIAGRAMS <DVD SECTION> DVD System Control / Servo Block Diagram 1-13-6 H9941BLSD...
  • Page 56 Digital Signal Process Block Diagram 1-13-7 H9941BLD...
  • Page 57 DVD Video / Audio Block Diagram 1-13-8 H9941BLVD...

  • Page 58: Schematic Diagrams/ Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes Notes: 1. Do not use the part number shown on these draw- ings for ordering. The correct part number is shown WARNING in the parts list, and may be slightly different or Many electrical and mechanical parts in this chassis amended since these drawings were prepared.
  • Page 59 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1001) is blown, first check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 60 Main 1/9 Schematic Diagram < VCR Section > H9941SCM1 1-14-3...
  • Page 61 Main 2/9, Sensor & Power SW Schematic Diagram < VCR Section > IC611 MATRIX CHART SACD PSCAN REPEAT SACD REPEAT TITLE GROUP PSCAN GROUP CHP. TITLE HD VCD H9941SCM2 1-14-4...
  • Page 62 Main 3/9 Schematic Diagram < VCR Section > H9941SCM3 1-14-5...
  • Page 63 Main 4/9 & Jack - B Schematic Diagram < VCR Section > H9941SCM4 1-14-6...
  • Page 64 Main 5/9 Schematic Diagram < VCR Section > H9941SCM5 1-14-7...
  • Page 65 Main 6/9 Schematic Diagram < VCR Section > H9941SCM6 1-14-8...
  • Page 66 Main 7/9 & DVD Open/Close Schematic Diagram < VCR Section > H9941SCM7 1-14-9...
  • Page 67 Main 8/9 Schematic Diagram < VCR Section > H9941SCM8 1-14-10...
  • Page 68 Main 9/9 Schematic Diagram < VCR Section > H9941SCM9 1-14-11...
  • Page 69 Power Supply & Junction Schematic Diagram < VCR Section > CAUTION ! CAUTION ! NOTE: Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. For continued protection against fire hazard, The voltage for parts in hot circuit is measured using If Main Fuse (F1001) is blown , check to see that all components in the power supply replace only with the same type fuse.
  • Page 70 Jack - A Schematic Diagram < VCR Section > H9941SCJ 1-14-13...
  • Page 71 AFV Schematic Diagram < VCR Section > H9941SCAFV 1-14-14...
  • Page 72 DVD Main 1/3 Schematic Diagram < DVD Section > 1 NOTE: Either IC461 or IC462 is used for DVD MAIN CBA UNIT. 1-14-15 H9941SCD1...
  • Page 73 DVD Main 2/3 Schematic Diagram < DVD Section > H9941SCD2 1-14-16...
  • Page 74 IC101 Voltage Chart ~ : Voltage is not consistent ----- : Not used Unit : Volts PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP ----- ----- -----...
  • Page 75 DVD Main 3/3 Schematic Diagram < DVD Section > 2 NOTE: IC103 is not supplied separatery. Be sure to replace with the DVD MAIN CBA UNIT when servicing IC103. H9941SCD3 1-14-18...
  • Page 76 Main CBA & Sensor CBA Top View < VCR Section > Sensor CBA Top View < VCR Section > BHF300F01011A TP751 TP301 BHF300F01011B V-OUT C-PB VR501 SW-P TP504 RF-SW TP501 S-INH TP503 1-14-19 BH9900F01013A...
  • Page 77 Main CBA Bottom View < VCR Section > PIN 6 OF IC1403 PIN 18 OF CN1601 PIN 15 OF CN1601 PIN 13 OF CN1601 PIN 10 OF CN1601 PIN 8 OF CN1601 BH9900F01013A 1-14-20...
  • Page 78 DVD Open/Close CBA DVD Open /Close CBA AFV CBA Bottom View AFV CBA Top View Top View Bottom View <VCR Section> <VCR Section> <VCR Section> <VCR Section> BH9900F01013C Power SW CBA Top View Power SW CBA Bottom View < VCR Section > <...
  • Page 79 Power Supply CBA Top View <VCR Section> Power Supply CBA Bottom View <VCR Section> Because a hot chassis ground is present in the power CAUTION ! CAUTION ! supply circut, an isolation transformer must be used. For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
  • Page 80 DVD Main CBA Top View < DVD Section > BE6100G04012 1-14-23...
  • Page 81 DVD Main CBA Bottom View < DVD Section > BE6100G04012 1-14-24...

  • Page 82: Waveforms

    WAVEFORMS NOTE: Input VCR: COLOR BAR SIGNAL (WITH 1KHz AUDIO SIGNAL) (WF1~WF3) DVD: POWER ON (STOP) MODE (WF4~WF6) CD: 1kHz PLAY (WF7~WF9) TP301 UPPER TP504 Pin 8 of CN1601 Pin 13 of CN1601 LOWER C-PB AUDIO-L 0.5ms RF-SW 0.2V VIDEO-Y 0.2V 20µs TP751...

  • Page 83: Wiring Diagram

    WIRING DIAGRAM < VCR SECTION > 1-16-1 H9941WI...
  • Page 84 WIRING DIAGRAM < DVD SECTION > 1-16-2 H9941WID...

  • Page 85: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS [ VCR Section ] Signal Active Mark Function Name Level Comparison Chart of Models and Marks Video Head OUT H-A-SW Amp Switching Model Mark Pulse Head Amp DV-NC200S(S) IN H-A- Comparator COMP DV-NC200(RU) Signal DV-NC200S(B) Video Head OUT RF-SW Switching Pulse IC501( SERVO / SYSTEM CONTROL IC )
  • Page 86 Signal Active Signal Active Mark Function Mark Function Name Level Name Level Vss(GND) Not Used OUT INPUT- Input Selector Not Used SELECT Control Signal Not Used SCART 8Pin IN DVD- Capstan Power DVD Input OUT C-POW- 8PIN-IN Switching Control Signal Signal Clock Select IN CLKSEL...
  • Page 87 [ DVD Section ] Signal Active Mark Function Name Level IC612 [PT6313-S -TP(L)] Capstan Motor IN C-FG Rotation PULSE Detection Pulse Signal In/Out Name Function Name Not Used FP-CLK Not Used Clock Input Drum Motor FP-STB Serial Interface Strobe Phase/ IN D-PFG PULSE Frequency...

  • Page 88: Lead Identifications

    LEAD IDENTIFICATIONS KRA103M KTA1281Y-AT/P PT204-6B-12 KRC103M KTC3203-Y-AT/P KTA1267Y-AT/P KTC3205-Y-AT/P KTC3199-(GR,BL,Y)-AT/P RN1511(TE85R.F) KTA-1266-GR-AT/P KRC103S RTK RN2204(TE4 F T) B1 E B2 E C B E C B 2SK3566 KIA4558P/P LC74793JM-TRM BR24L02F-WE2 KTC3875S-Y-RTK/P KTC3879Y-RTK G D S PQ1LAX95MSPQ MM1637XVBE EL817A 7-BT-298NAM 1: VREF 1: Anode 2: GND 2: Cathode...

  • Page 89: Exploded Views

    EXPLODED VIEWS Cabinet 2B21 2L071 2L021 2L071 2L021 2L071 2L021 See Electrical Parts List 2L012 for parts with this mark. L0-9 L0-9 2L071 Some Ref. Numbers are not in sequence. 2L082 2L021 2L020 DVD Main CBA Unit Jack-A CBA JW003 JW004 Sensor CBA 2L062...
  • Page 90 Packing COMPARISON OF MODELS Model Mark DV-NC200S(S) DV-NC200(RU) DV-NC200S(B) Unit FRONT H9941PEX 1-19-2...

  • Page 91: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a ! have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing. COMPARISON OF MODELS Model Mark...
  • Page 92 Ref. No. Mark Description Part No. Code X20! OWNERS MANUAL H9949ED 9HS1VMN20954 WARRANTY CARD E56H7RD 9HS0VM305864 RCA PIN JACK(OUT) RJ-1135B*15-0300L 9HSYRS050JD001 Test Tape Ref. No. Mark Description Part No. Code Test Tape 9HSFL6A Test Tape 9HSFL6HA Test Tape 9HSFL6NS8 Test Tape 9HSFL6M Test Tape 9HSFL6K...

  • Page 93: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a ! have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing. NOTES: 1.
  • Page 94 COMPARISON OF MODELS Model Mark DV-NC200S(S) DV-NC200(RU) DV-NC200S(B) DVD MAIN CBA UNIT Ref. No. Mark Description Part No. Code DVD MAIN CBA UNIT 9HSN79SDJEP DVD MAIN CBA UNIT 9HSN79SFJRP DVD MAIN CBA UNIT 9HSN79SMJEP MAIN CBA + POWER SW CBA + DVD OPEN/CLOSE CBA + SENSOR CBA Ref.
  • Page 95 Ref. No. Mark Description Part No. Code C306 CHIP CERAMIC CAP.(1608) B K 0.047µF/50V 9HSHD1JK30B473 C307 CHIP CERAMIC CAP.(1608) B K 0.022µF/50V 9HSHD1JK30B223 C308 CHIP CERAMIC CAP.(1608) F Z 0.1µF/50V 9HSHD1JZ30F104 C309 CHIP CERAMIC CAP.(1608) CH J 68pF/50V 9HSHD1JJ3CH680 C310 CHIP CERAMIC CAP.(1608) CH J 68pF/50V 9HSHD1JJ3CH680 C311...
  • Page 96 Ref. No. Mark Description Part No. Code C464 CHIP CERAMIC CAP.(1608) B K 0.01µF/50V 9HSHD1JK30B103 C465 ELECTROLYTIC CAP. 10µF/16V M H7 9HSE1CMAVSL100 C466 CHIP CERAMIC CAP.(1608) F Z 0.1µF/50V 9HSHD1JZ30F104 C467 CHIP CERAMIC CAP.(1608) F Z 0.1µF/50V 9HSHD1JZ30F104 C468 ELECTROLYTIC CAP. 220µF/6.3V M H7 9HSE0KMAVSL221 C469 ELECTROLYTIC CAP.
  • Page 97 Ref. No. Mark Description Part No. Code C632 ELECTROLYTIC CAP. 1µF/50V M H7 NP 9HSP1JMAVSB1R0 C633 ELECTROLYTIC CAP. 1µF/50V M H7 9HSE1JMAVSL1R0 C634 CHIP CERAMIC CAP.(1608) B K 0.01µF/50V 9HSHD1JK30B103 C635 SEMICONDUCTOR CAP. SR K 0.018µF/25V 9HSDA1EKP0X183 C636 ELECTROLYTIC CAP. 4.7µF/25V M H7 9HSE1EMAVSL4R7 C637 ELECTROLYTIC CAP.
  • Page 98 Ref. No. Mark Description Part No. Code CN701 AFV PCB ASSEMBLY H9901BD 9HSH9901AFV DIODES D051 RECTIFIER DIODE 1N4005 9HSDQZ001N4005 D052 RECTIFIER DIODE 1N4005 9HSDQZ001N4005 D054 ZENER DIODE DZ-10BSBT265 9HSDTB00DZ10BS D056 ZENER DIODE DZ-18BSBT265 9HSDTB00DZ18BS D057 RECTIFIER DIODE 1N4005 9HSDQZ001N4005 D058 ZENER DIODE MTZJT-774.3C 9HSDTC0MTZJ4R3 D101...
  • Page 99 Ref. No. Mark Description Part No. Code L503 INDUCTOR 1.8µH-K-26T 9HSLAXKATTU1R8 L701 INDUCTOR 15µH-K-26T 9HSLAXKATTU150 L704 PCB JUMPER D0.6-P5.0 ---------- L1251 INDUCTOR(0.47µH K) LAP02TAR47K 9HSLAXKATTUR47 L1351 INDUCTOR(100µH K) LAP02TA101K 9HSLAXKATTU101 L1521 CHOKE COIL 47µH 9HSLBD00PKV022 L2001 INDUCTOR(100µH K) LAP02TA101K 9HSLAXKATTU101 TRANSISTORS Q051 TRANSISTOR KTA1281Y-AT/P...
  • Page 100 Ref. No. Mark Description Part No. Code CARBON RES. 1/4W J 680 Ω R113 9HSCX4JATZ0681 CARBON RES. 1/4W J 560 Ω R116 9HSCX4JATZ0561 CARBON RES. 1/4W J 68 Ω R119 9HSCX4JATZ0680 CARBON RES. 1/6W J 15k Ω R121 9HSCX6JATZ0153 CHIP RES.(1608) 1/10W J 10k Ω R122 9HSRXAJR5Z0103 CARBON RES.
  • Page 101 Ref. No. Mark Description Part No. Code CHIP RES.(1608) 1/10W J 8.2k Ω R451 9HSRXAJR5Z0822 CHIP RES.(1608) 1/10W J 39k Ω R452 9HSRXAJR5Z0393 CHIP RES.(1608) 1/10W J 5.6k Ω R453 9HSRXAJR5Z0562 CHIP RES.(1608) 1/10W J 39k Ω R454 9HSRXAJR5Z0393 CHIP RES.(1608) 1/10W J 5.6k Ω R455 9HSRXAJR5Z0562 CHIP RES.(1608) 1/10W J 39k Ω...
  • Page 102 Ref. No. Mark Description Part No. Code CHIP RES.(1608) 1/10W J 1k Ω R542 9HSRXAJR5Z0102 CARBON RES. 1/4W J 1k Ω R543 9HSCX4JATZ0102 CHIP RES.(1608) 1/10W J 10k Ω R544 9HSRXAJR5Z0103 CHIP RES.(1608) 1/10W J 10k Ω R545 9HSRXAJR5Z0103 CHIP RES.(1608) 1/10W J 1k Ω R546 9HSRXAJR5Z0102 CHIP RES.(1608) 1/10W J 10k Ω...
  • Page 103 Ref. No. Mark Description Part No. Code CHIP RES.(1608) 1/10W J 1k Ω R768 9HSRXAJR5Z0102 R769 PCB JUMPER D0.6-P5.0 ---------- CHIP RES.(1608) 1/10W 0 Ω R901 9HSRXAZR5Z0000 CHIP RES.(1608) 1/10W 0 Ω R902 9HSRXAZR5Z0000 CHIP RES.(1608) 1/10W 0 Ω R903 9HSRXAZR5Z0000 CARBON RES.
  • Page 104 Ref. No. Mark Description Part No. Code SW503 TACT SWITCH KSM0614B 9HSST0101HH013 SW504 TACT SWITCH KSM0614B 9HSST0101HH013 SW506 LEAF SWITCH MXS01830MVP0 9HSSC0101MCE03 SW507 ROTARY MODE SWITCH SSS-53MD 9HSSR0106KB003 SW511 TACT SWITCH KSM0611B 9HSST0101HH004 SW601 TACT SWITCH KSM0614B 9HSST0101HH013 SW602 TACT SWITCH KSM0614B 9HSST0101HH013 SW603 TACT SWITCH KSM0614B...
  • Page 105 SENSOR CBA Ref. No. Mark Description Part No. Code SENSOR CBA 9HS1VSA10047 Consists of the following TRANSISTORS Q503 PHOTO TRANSISTOR PT204-6B-12 9HSPWZT2046B12 Q504 PHOTO TRANSISTOR PT204-6B-12 9HSPWZT2046B12 POWER SUPPLY CBA + JUNCTION CBA + JACK-A CBA + JACK-B CBA Ref. No. Mark Description Part No.
  • Page 106 Ref. No. Mark Description Part No. Code D1019 ZENER DIODE DZ-6.8BSBT265 9HSDTB0DZ6R8BS D1022 SWITCHING DIODE 1N4148M 9HSDTZ01N4148M D1024 SWITCHING DIODE 1N4148M 9HSDTZ01N4148M D1025 SWITCHING DIODE 1N4148M 9HSDTZ01N4148M D1030 SCHOTTKY BARRIER DIODE SB140 9HSDQZ000SB140 IC1001! PHOTOCOUPLER EL817A 9HSPEA000EL817 COILS L010 CHOKE COIL 47µH 9HSLBD00PKV022 L013 CHOKE COIL 47µH...
  • Page 107 JUNCTION CBA Ref. No. Mark Description Part No. Code JUNCTION CBA ---------- Consists of the following CONNECTOR CN051A 242 SERIES CONNECTOR TUC-P17X-B1 WHT ST 9HSCTUB17TG002 MISCELLANEOUS JW001 FLAT CABLE 8P AWG26#2651/P2.0/75 9HSX3808S6FF07 JW002 FLAT CABLE 9P AWG26#2651/P2.0/65 9HSX3809S6FF06 JACK-A CBA Ref.
  • Page 108 AFV CBA Ref. No. Mark Description Part No. Code AFV CBA 9HS1VSA11123 Consists of the following CAPACITORS CHIP CERAMIC CAP.(1608) F Z 0.1µF/50V 9HSHD1JZ30F104 CHIP CERAMIC CAP. CH J 56pF/50V 9HSHD1JJ3CH560 CHIP CERAMIC CAP.(1608) CH J 22pF/50V 9HSHD1JJ3CH220 CHIP CERAMIC CAP. CH J 56pF/50V 9HSHD1JJ3CH560 CHIP CERAMIC CAP.

  • Page 109: Deck Mechanism Section

    DECK MECHANISM SECTION VCR/DVD COMBINATION DV-NC200S(S)/DV-NC200(RU)/DV-NC200S(B) TABLE OF CONTENTS 1. STANDARD MAINTENANCE................2-1-1 2. SERVICE FIXTURE AND TOOLS..............2-2-1 3. MECHANICAL ALIGNMENT PROCEDURES ..........2-3-1 4. DISASSEMBLY / ASSEMBLY PROCEDURES OF DECK MECHANISM ..2-4-1 5. ALIGNMENT PROCEDURES OF MECHANISM ..........2-5-1 6.

  • Page 110: Standard Maintenance

    STANDARD MAINTENANCE Service Schedule of Components This maintenance chart shows you the standard of replacement and cleaning time for each part. Because those may replace depending on environment and purpose for use, use the chart for reference. H: Hours : Cleaning : Replace Deck Periodic Service Schedule...
  • Page 111 Cleaning Cleaning of ACE Head Clean the head with a cotton swab. Video head cleaning procedure Procedure 1. Apply one drop of cleaning liquid to the cleaning 1. Remove the top cabinet. paper with the baby oiler. 2. Dip the cotton swab in 90% ethyl alcohol and clean 2.

  • Page 112: Service Fixture And Tools

    SERVICE FIXTURE AND TOOLS J-1-1, J-1-2, J-1-3, J-1-4, J-1-5 Ref. Name Parts No. Code Adjustment J-1-1 Test Tape 9HSFL6A Head Adjustment of ACE Head Azimuth and X Value Adjustment of ACE Head / J-1-2 Test Tape 9HSFL6NS8 Adjustment of Envelope Waveform J-1-3 Test Tape 9HSFL6HA...

  • Page 113: Mechanical Alignment Procedures

    MECHANICAL ALIGNMENT PROCEDURES Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page. Refer to the information below on loaded position without a cassette tape this page if a tape gets stuck, for example, in the 1.
  • Page 114 1. Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the preset position every time a tape is loaded or unloaded. (Refer to page 2-3-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Test Tape (9HSFL6NS8) (Refer to "SERVICE FIXTURE AND TOOLS"...
  • Page 115 1-A. Preliminary/Final Checking and 3. Check to see that the tape runs without creasing at Take-up Guide Post [4] or without snaking between Alignment of Tape Path Guide Roller [3] and ACE Head. (Fig. M3 and M5) Purpose: 4. If creasing or snaking is apparent, adjust the Tilt Adj. Screw of the ACE Head.
  • Page 116 5. When Guide Rollers [2] and [3] (Refer to Fig. M3) are aligned properly, there is no envelope drop either at Good the beginning or end of track as shown in Fig. M9. FM envelope signal Center Position Dropping envelope level at the beginning of track. CTL signal FM envelope output signal is adjusted at maximum.
  • Page 117 1-D. Azimuth Alignment of Audio/ Control/ Erase Head Purpose: To correct the Azimuth alignment so that the Audio/ REV Post [5] Control/Erase Head meets tape tracks properly. Symptom of Misalignment: If the position of the Audio/Control/Erase Head is not properly aligned, the Audio S/N Ratio or Frequency Response will be poor.

  • Page 118: Disassembly/Assembly Procedures Of Deck Mechanism

    DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode; see the positions of [44] and [45] in Fig.
  • Page 119 REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER [29] [28] TR Gear Spring B DM13H-1 [30] [29] TR Gear A/B B DM13H-1 FF Arm ( HI ) B DM1H , DM14H [31] [31] Idler Assembly ( HI ) B DM1H , DM14H * ( L-9 ) [32]...
  • Page 120 Top View [44] [45] [49] [46] [14] [13] [11] [15] [38] [10] [12] [37] [36] [43] [32] [41] [31] [40] [42] Fig. DM1H Bottom View [19] [35] [34] [25] [23] [24] [26] [27] [22] [28] [20] [33] Fig. DM2H H9941DA 2-4-3...
  • Page 121 (S-1) (S-1) (L-1) (L-3) (S-1A) (L-2) (P-1) Installation of [3] and [6] First, insert [6] diagonally in [3] as shown below. Then, install [6] in [3] while pushing (L-1) in a direction of arrow. After installing [6] in [3], confirm that pin A of [3] enters hole A of [6] properly.
  • Page 122 (S-4) [49] [50] (L-12) Desolder from bottom (S-3) Lead with White Stripe View for A Belt Fig. DM7H (S-2) [11] (S-4A) (L-4) (P-3) [13] Removal of [11] [12] 1) Remove screw (S-4A). 2) Unhook spring (P-2). [10] Lead with Desolder Release (L-4) while (P-2) from bottom...
  • Page 123 Installation of [13] and [12] (S-5) [14] (S-6) [13] [15] Hook spring (P-3) up to [12] and [13], then install then to (P-3) the specified position so that [12] will be floated slightly while holding [12] and [13]. (Refer to Fig. A.) [12] Fig.
  • Page 124 (C-1) turn [22] (S-8) [20] (L-6) [21] [19] Cap Belt Pin on [22] Installation position of Cap Belt [20] Cap Belt [27] Position of pin on [22] Fig. DM12H [19] View for A Fig. DM11H H9941DA 2-4-7...
  • Page 125 Installation of [26] [26] (C-3) Position of Mode Lever when installed Pin of [33] Pin of [37] (S-9) Pin of [36] (L-8) [23] (L-7) Bottom View [24] (C-5) [26] (C-4) (C-2) [28] [27] [25] [29] [30] Align [26] and [27] as shown. [27] First groove on [27] First tooth on [47]...
  • Page 126 [38] [36] [43] (P-6) turn [39] (L-10) turn [42] turn [47] [48] Slide [37] Fig. DM17H (C-7) [41] (C-6) [40] Fig. DM15H [45] [44] [46] (L-11) Slide Plate (S-11) Fig. DM16H H9941DA 2-4-9...

  • Page 127: Alignment Procedures Of Mechanism

    ALIGNMENT PROCEDURES OF MECHANISM The following procedures describe how to align the Alignment 1 individual gears and levers that make up the tape loading/ unloading mechanism. Since information about the state Loading Arm (SP) and (TU) Assembly of the mechanism is provided to the System Control Install Loading Arm (SP) and (TU) Assembly so that their Circuit only through the Mode Switch, it is essential that triangle marks point to each other as shown in Fig.

  • Page 128: Deck Exploded Views

    DECK EXPLODED VIEWS Deck Mechanism View 1 B494 L1467 L1191 B553 B411 B567 L1053 B410 L1051 L1322 B501 L1450 L1450 L1466 B121 B126 B492 B571 Some Ref. Numbers are not in sequence. H9941DEX 2-6-1...
  • Page 129 Deck Mechanism View 2 B521 B416 B591 B587 B590 B487 B574 B522 L1406 B148 B573 B499 B508 B595 B592 B585 B518 B558 B564 B557 B414 B572 B565 L1151 B525 B417 B568 B578 B133 B551 B579 B582 B580 B491 B583 B513 B488 B581 B559...
  • Page 130 Deck Mechanism View 3 L1321 B347 L1321 B355 B354 B483 L1341 B425 B482 B562 B300 B563 B313 B529 B360 B359 B361 B555 Some Ref. Numbers are not in sequence. B303 B514 H9941DEX 2-6-3...

  • Page 131: Deck Parts List

    DECK PARTS LIST Ref. No. Description Part No. Code CYLINDER ASSEMBLY MK12.5 PAL 6HD 9HSN236ACYL LOADING MOTOR ASSEMBLY MK12.5 9HS0VSA14636 SLIDE PLATE MK12.5 9HS0VM416429 PULLEY ASSEMBLY(HI) MK12 9HS0VSA13501 MOVING GUIDE S P.P MK12.5 9HS0VSA14717 MOVING GUIDE T P.P MK12.5 9HS0VSA14639 LOADING ARM(TU) ASSEMBLY MK12 9HS0VSA13300 LOADING ARM(SP) ASSEMBLY MK12...
  • Page 132 Ref. No. Description Part No. Code B571 P.S.W CUT 1.6X4.0X0.5T 9HS0VM408485A B572 P.S.W CUT 1.6X4.0X0.5T 9HS0VM408485A B573 REEL S MK11 9HS0VM203436 B574 REEL T MK10 9HS0VM202872C B578 TR GEAR A MK10 9HS0VM304440 B579 TR GEAR B MK12 9HS0VM305900 B580 TR GEAR C MK12 9HS0VM305743A B581 CENTER GEAR MK11...
  • Page 133 DV-NC200S(S)/DV-NC200(RU)/DV-NC200S(B) DV-NC200S(S)/DV-NC200(RU)/DV-NC200S(B) DV-NC200S(S)/DV-NC200(RU)/DV-NC200S(B) © COPYRIGHT 2005 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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