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Sharp DV-NC100X Service Manual

Vcr/dvd combination
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PAL
The region number for this
4
VCR/DVD is 4.
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. ELECTRICAL ADJUSTMENT INSTRUCTIONS ................................................................................................... 1-8-1
9. FIRMWARE RENEWAL MODE ............................................................................................................................ 1-9-1
10. TROUBLESHOOTING ........................................................................................................................................ 1-10-1
11. BLOCK DIAGRAMS ............................................................................................................................................ 1-11-1
12. FUNCTION INDICATOR SYMBOLS ................................................................................................................... 1-11-9
13. SCHEMATIC DIAGRAMS/ CBA'S AND TEST POINTS ..................................................................................... 1-12-1
14. WAVEFORMS ..................................................................................................................................................... 1-13-1
15. WIRING DIAGRAM ............................................................................................................................................. 1-14-1
16. IC PIN FUNCTION DESCRIPTIONS .................................................................................................................. 1-15-1
17. LEAD IDENTIFICATIONS ................................................................................................................................... 1-16-1
18. EXPLODED VIEWS ............................................................................................................................................ 1-17-1
19. MECHANICAL PARTS LIST ............................................................................................................................... 1-18-1
20. ELECTRICAL PARTS LIST ................................................................................................................................ 1-19-1
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
CONTENTS
1
DV-NC100X
MODEL
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.
DV-NC100X
S64U9DV-NC100

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  • Page 1: Table Of Contents

    DV-NC100X SERVICE MANUAL S64U9DV-NC100 VCR/DVD COMBINATION DV-NC100X MODEL 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 The region number for this identical to those specified be used.

  • Page 2: Main Section

    MAIN SECTION VCR/DVD COMBINATION DV-NC100X 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 ±0.1 1 Video Output 2 Coaxial Digital Out mVpp 3 Audio (PCM) 3-1. Output Level 1 kHz 0 dB 3-2. S/N 3-3. Freq. Response ±1.5 fs=48 kHz 20 ~ 22 kHz ±1.5 fs=44.1 kHz 20 ~ 22 kHz 3-4.

  • 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 FRONT PANEL DV- N C 1 0 0 OPERATE OPEN/CLOSE STOP/ OUTPUT PULL OPEN EJECT PLAY TIMER STOP PLAY (TRACKING) 1. OPERATE 13. TIMER indicator To turn the unit ON or OFF. The indicator is on when the VCR/DVD is in standby mode The indicator is on when this unit is turned on.
  • Page 13 REMOTE CONTROL OPERATE OPEN/CLOSE DISPLAY SETUP EJECT 1. DISPLAY Button SUBTITLE ANGLE AUDIO MARKER Press to display the current playback mode.(DVD) ZOOM MODE Press to display the current time, tape counter and channel number.(VCR) TITLE MENU 2. OPERATE Button RETURN ENTER Press to turn the power on and off.

  • Page 14: Displays During Operation

    Display Lights up when the timer Lights up when the recording or an OTR A-B repeat function is on. Lights up when a tape recording has been set. is inserted. Lights up when the Lights up when repeat function is on. Lights up the ALL repeat during a...

  • Page 15: 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/ follow the steps in reverse order. Bend, route, and dress DESOLDER the cables as they were originally.
  • Page 16 Reference Notes (S-2) CAUTION 1: Locking Tabs (L-1) and (L-2) are fragile. [3] Top Blacket 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 17 (S-6) (S-10) [7] DVD Main (S-6) (S-11) CBA Unit (S-11) (S-9) CN301 CN201 DVD Mecha (S-7) (S-8) [8] VCR Solder Chassis Unit Short the three short lands by soldering. Short (Either of two places.) lands Short lands FPC Cable Fig. D5 View for A Solder Fig.
  • Page 18 Cylinder [9] Deck Assembly FE Head Assembly [10]JACK COVER ACE Head Assembly [12]JACK (S-15) SW507 [11]EARTH COVER(RCA) LD-SW PALTE (S-16) [14] Power SW CBA (S-16) [13] Main CBA [9] Deck Assembly Cam Gear (S-12) Hole [13] Main CBA Shaft (S-13) Desolder Lead with Lead with blue stripe...
  • Page 19 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 with a hand. View for A Rotate this roulette in the direction of the arrow DVD Mecha H9745DC 1-7-5...

  • Page 20: 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 21: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE The appearance shown in (*2) of Fig. c is described FIRMWARE is built-in program to operate DVD player. To get rid of error when playing new software (disc) in as follows: the market, FIRMWARE version is updated. Perform Appearance State the following to update the FIRMWARE version.
  • Page 22 10.Press [CLEAR/C-RESET] button on the remote con- trol unit. Fig. h appears on the screen. " ******* " differ depending on the models. MODEL : ******* Version : *.** Region : * EEPROM CLEAR : OK EEPROM CLEAR : CLEAR EXIT: POWER Fig.

  • Page 23: 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 24 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 25 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 26 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 27 FLOW CHART NO.5 The [No Disc] indication. Replace the DVD Main CBA. No improvement can be found. Original DVD Main CBA is poor. Replace the DVD Mechanism. FLOW CHART NO.6 Both picture and sound do not operate normally. Replace the DVD Main CBA. No improvement can be found.
  • Page 28 FLOW CHART NO.7 Picture does not appear normally. 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 Mecha. CN1601 on the Main CBA? CN1601 8PIN CN1601 10PIN...
  • Page 29 FLOW CHART NO.8 Audio is not outputted. Set the disc on the disc tray, and playback. Replace the DVD Main CBA or the DVD Mecha. Are the analog audio signals outputted to each pin of CN1601 on Main CBA? CN1601 14PIN AUDIO-L CN1601 16PIN AUDIO-R Check each line between each pin of CN1601 Are the analog audio signals inputted to each pin...
  • Page 30 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 31 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 32 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 33 FLOW CHART NO.10 Video E-E does not appear. 1) In the external input mode Is the Video signal inputted to Pins(34,36,38) of Check the line between the video input IC301? terminal (rear) and Pin(38) of IC301, and service it if defective. Check the line between the video input terminal (front) and Pin(34) of IC301, and service it if defective.
  • Page 34 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 rear input Front input terminal Pin(63) Pin(49)
  • Page 35 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 36 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 37: Block Diagrams

    BLOCK DIAGRAMS <VCR SECTION> Servo/System Control Block Diagram 1-11-1 H9745BLS...
  • Page 38 Video Block Diagram 1-11-2 H9745BLV...
  • Page 39 Audio Block Diagram 1-11-3 H9745BLA...
  • Page 40 Hi-Fi Audio Block Diagram H9745BLH 1-11-4...
  • Page 41 Power Supply Block Diagram 1-11-5 H9745BLP...
  • Page 42 BLOCK DIAGRAMS <DVD SECTION> DVD System Control / Servo Block Diagram H9745BLSD 1-11-6...
  • Page 43 Digital Signal Process Block Diagram H9745BLD 1-11-7...
  • Page 44 DVD Video / Audio Block Diagram H9745BLVD 1-11-8...

  • Page 45: 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 46: 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 47 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 48 Main 1/8 Schematic Diagram < VCR Section > 1-12-4 1-12-3 H9745SCM1...
  • Page 49 Main 2/8, Sensor & Power SW Schematic Diagrams < VCR Section > IC611 MATRIX CHART SACD PSCAN REPEAT SACD GROUP PSCAN REPEAT TITLE GROUP TITLE HD VCD 1-12-6 1-12-5 H9745SCM2...
  • Page 50 Main 3/8 Schematic Diagram < VCR Section > 1-12-7 1-12-8 H9745SCM3...
  • Page 51 Main 4/8 Schematic Diagram < VCR Section > H9745SCM4 1-12-9 1-12-10...
  • Page 52 Main 5/8 Schematic Diagram < VCR Section > 1-12-11 1-12-12 H9745SCM5...
  • Page 53 Main 6/8 & DVD Open/Close Schematic Diagram < VCR Section > 1-12-13 1-12-14 H9745SCM6...
  • Page 54 Main 7/8 Schematic Diagrams < VCR Section > CAUTION ! NOTE : CAUTION ! Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using For continued protection against fire hazard, If Main Fuse (F1001) is blown, check to see that all components in the power supply hot GND as a common terminal.
  • Page 55 Main 8/8 Schematic Diagram < VCR Section > 1-12-17 1-12-18 H9745SCM8...
  • Page 56 AFV Schematic Diagram < VCR Section > 1-12-19 1-12-20 H9745SCAFV...
  • Page 57 DVD Main 1/3 Schematic Diagram < DVD Section > 1-12-21 1-12-22 H9745SCD1...
  • Page 58 DVD Main 2/3 Schematic Diagram < DVD Section > 1-12-23 1-12-24 H9745SCD2...
  • Page 59 IC101 VOLTAGE CHART 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 60 DVD Main 3/3 Schematic Diagram < DVD Section > Note: IC103 is not supplied separately. Be sure to replace with the DVD Main CBA unit when servicing IC103. 1-12-27 1-12-28 H9745SCD3...
  • Page 61 Main CBA & Sensor CBA Top View < VCR Section > Sensor CBA Top View < VCR Section > BHF300F01011A TP751 BHF300F01011B V-OUT VR501 SW-P TP504 RF-SW TP501 S-INH TP503 TP301 C-PB 1-12-29 1-12-30 BH97A0F01011A...
  • Page 62 Main CBA Bottom View < VCR Section > PIN 19 OF PIN 16 OF PIN 14 OF PIN 10 OF PIN 14 OF PIN 8 OF CN1601 CN1601 CN1601 CN1601 IC1402 CN1601 1-12-31 1-12-32 BH97A0F01011A...
  • Page 63 Power SW CBA Top View Power SW CBA Bottom View < VCR Section > < VCR Section > BH97A0F01011B AFV CBA Top View AFV CBA Bottom View < VCR Section > < VCR Section > DVD Open/Close DVD Open /Close C B A To p V i e w CBA Bottom View <...
  • Page 64 DVD MAIN CBA Top View < DVD Section > 1-12-36 1-12-35 BE5900G04012...
  • Page 65 DVD MAIN CBA Bottom View < DVD Section > 1-12-38 1-12-37 BE5900G04012...

  • Page 66: Waveforms

    WAVEFORMS NOTE: Input VCR: COLOR BAR SIGNAL (WF1~WF3) DVD: POWER ON (STOP) MODE (WF4~WF6) CD: 1kHz PLAY (WF7~WF9) TP301 UPPER TP504 Pin 8 of CN1601 Pin 14 of CN1601 LOWER C-PB 10mV x 10 RF-SW 0.5V x 10 VIDEO-Y 0.2V 20µs DVD-A(L) 0.5ms...

  • Page 67: Wiring Diagram

    WIRING DIAGRAM < VCR SECTION > 1-14-1 H9745WI...
  • Page 68 WIRING DIAGRAM < DVD SECTION > H9745WID 1-14-2...

  • Page 69: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS [ VCR Section ] Signal Active Function Name Level IC501( SERVO / SYSTEM CONTROL IC ) “POWER” LED 24 OUT POWER-LED ≥ ≤ "H" 4.5V, "L" 1.0V Signal Output Not Used Signal Active Function Not Used Name Level “TIMER”...
  • Page 70 Signal Active Signal Active Function Function Name Level Name Level OSDVcc OSDVcc Not Used LPF Connected Audio Mute Control 83 OUT A-MUTE-H Terminal (Slicer) Signal (Mute = “H”) Not Used Not Used Not Used Not Used Not Used Power Voltage IN P-DOWN-L Down Detector Composite...
  • Page 71 [ DVD Section ] IC612 ( PT6313-S -TP ) Signal In/Out Name Function Name FP-CLK Clock Input FP-STB Serial Interface Strobe Not Used Not Used Power Supply Segment Output Pull Down Level Segment Output Grid Output Power Supply Oscillator Input Not Used FP-DIN Serial Data Input...

  • Page 72: Lead Identifications

    LEAD IDENTIFICATIONS PQ070XZ5MZP PT204-6B-12 KRA103M 2SC1815-GR(TPE2) KRC103M KTC3203(Y) KTA1266(GR) KTC3205(Y) 1: Vin KTA1267(Y) 2: Vc KTC3199(BL,Y) 3: Vo RN2204(TE4,T) 4: Vadj 5: GND 1 2 3 E C B E C B 2SK3566 CAT24WC02JI FMG4A T148 KIA4558P KTC3875Y-RTK B1 E B2 G D S LA72638M MM1637XVBE...

  • Page 73: Exploded Views

    EXPLODED VIEWS Cabinet 2L071 2L071 2L071 2L021 2L021 2L071 2L023 2L021 L0-9 L0-9 2L082 2L24 2B18 2L062 2L24 JW002 2L021 Sensor CBA DVD Main 2L062 CBA Unit AFV CBA 2B11 2B52 Power SW CBA Sensor CBA 2L051 2B17 2B13 2B33 2L054 2L053 2L022...
  • Page 74 Packing X 2 0 Tape Unit F R O N T H9745PEX 1-17-3...

  • Page 75: 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. Ref.

  • Page 76: 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 77 Ref. No. Description Part No. Code C212 CHIP CERAMIC CAP.(1005) F Z 0.1µF/16V 9HSHB1CZ30F104 C215 CHIP CERAMIC CAP.(1005) F Z 0.1µF/16V 9HSHB1CZ30F104 C217 CHIP CERAMIC CAP.(1608) B K 1µF/10V 9HSHD1AK30B105 C218 CHIP CERAMIC CAP.(1608) B K 1µF/10V 9HSHD1AK30B105 C219 CHIP CERAMIC CAP.(1608) B K 1µF/10V 9HSHD1AK30B105 C220 CHIP CERAMIC CAP.(1608) B K 1µF/10V...
  • Page 78 Ref. No. Description Part No. Code C471 CHIP CERAMIC CAP.(1005) F Z 0.1µF/16V 9HSHB1CZ30F104 C472 CHIP CERAMIC CAP. F Z 1µF/10V 9HSHD1AZ30F105 C501 CHIP CERAMIC CAP.(1005) F Z 0.1µF/16V 9HSHB1CZ30F104 C502 CHIP CERAMIC CAP.(1005) F Z 0.1µF/16V 9HSHB1CZ30F104 C503 CHIP CERAMIC CAP.(1005) F Z 0.1µF/16V 9HSHB1CZ30F104 C504 CHIP CERAMIC CAP.(1005) F Z 0.1µF/16V...
  • Page 79 Ref. No. Description Part No. Code CHIP RES.(1608) 1/10W 0 Ω L501 9HSRXAJR5Z0000 CHIP RES.(1608) 1/10W 0 Ω L561 9HSRXAJR5Z0000 L611 CHIP INDUCTOR BK1608HM102 9HSLC102NTU018 L612 CHIP INDUCTOR BK1608HM102 9HSLC102NTU018 L613 CHIP INDUCTOR BK1608HM102 9HSLC102NTU018 L614 CHIP INDUCTOR BK1608HM102 9HSLC102NTU018 L618 CHIP INDUCTOR BK1608LM152 9HSLC152NTU020...
  • Page 80 Ref. No. Description Part No. Code CHIP RES.(1005) 1/16W J 1k Ω R280 9HSRXGJR4Z0102 CHIP RES.(1005) 1/16W F 10k Ω R281 9HSRXGFR4Z0103 CHIP RES.(1005) 1/16W F 10k Ω R282 9HSRXGFR4Z0103 CHIP RES.(1005) 1/16W F 10k Ω R283 9HSRXGFR4Z0103 CHIP RES.(1005) 1/16W F 10k Ω R284 9HSRXGFR4Z0103 CHIP RES.(1005) 1/16W J 22k Ω...
  • Page 81 MAIN CBA + POWER SW CBA + DVD OPEN/CLOSE CBA + SENSOR CBA Ref. No. Description Part No. Code MAIN CBA + POWER SW CBA + DVD OPEN/CLOSE CBA + SENSOR CBA 9HS1VSA10526 Consists of the following MAIN CBA 9HS1VSA10526A POWER SW CBA 9HS1VSA10526B DVD OPEN/CLOSE CBA...
  • Page 82 Ref. No. Description Part No. Code C344 ELECTROLYTIC CAP. 1µF/50V M H7 9HSE1JMAVSL1R0 C345 ELECTROLYTIC CAP. 1µF/50V M H7 9HSE1JMAVSL1R0 C346 CHIP CERAMIC CAP.(1608) B K 0.022µF/50V 9HSHD1JK30B223 C348 ELECTROLYTIC CAP. 1µF/50V M H7 9HSE1JMAVSL1R0 C349 CHIP CERAMIC CAP.(1608) B K 0.022µF/50V 9HSHD1JK30B223 C351 CHIP CERAMIC CAP.(1608) B K 0.047µF/50V...
  • Page 83 Ref. No. Description Part No. Code C512 CHIP CERAMIC CAP.(1608) F Z 0.1µF/50V 9HSHD1JZ30F104 C514 CHIP CERAMIC CAP. CH J 330pF/50V 9HSHD1JJ3CH331 C515 CHIP CERAMIC CAP.(1608) F Z 0.1µF/50V 9HSHD1JZ30F104 C516 ELECTROLYTIC CAP. 22µF/6.3V M H7 9HSE0KMAVSL220 C517 CERAMIC CAP.(AX) F Z 0.022µF/25V 9HSCA1EZTFZ223 C518 ELECTROLYTIC CAP.
  • Page 84 Ref. No. Description Part No. Code C1107 ELECTROLYTIC CAP. 220µF/6.3V M 9HSE0KMASDL221 C1201 ELECTROLYTIC CAP. 10µF/16V M H7 9HSE1CMAVSL100 C1202 ELECTROLYTIC CAP. 10µF/16V M H7 9HSE1CMAVSL100 C1205 CHIP CERAMIC CAP. CH J 220pF/50V 9HSHD1JJ3CH221 C1206 CHIP CERAMIC CAP. CH J 220pF/50V 9HSHD1JJ3CH221 C1207 CHIP CERAMIC CAP.(1608) CH J 47pF/50V...
  • Page 85 Ref. No. Description Part No. Code D1008 SCHOTTKY BARRIER DIODE SB140 9HSDQZ000SB140 D1011 RECTIFIER DIODE BA159 9HSDQZ000BA159 D1012 SWITCHING DIODE 1N4148M 9HSDTZ01N4148M D1016 RECTIFIER DIODE FR101 9HSDWZ000FR101 D1017 ZENER DIODE DZ-18BSBT265 9HSDTB00DZ18BS D1018 SWITCHING DIODE 1N4148M 9HSDTZ01N4148M D1019 ZENER DIODE DZ-6.8BSBT265 9HSDTB0DZ6R8BS D1022 SWITCHING DIODE 1N4148M...
  • Page 86 Ref. No. Description Part No. Code Q302 CHIP TRANSISTOR KTC3875Y-RTK 9HSQ1Y0KTC3875 Q303 CHIP TRANSISTOR KTC3875Y-RTK 9HSQ1Y0KTC3875 Q304 CHIP TRANSISTOR KTC3875Y-RTK 9HSQ1Y0KTC3875 Q305 TRANSISTOR KTA1266(GR) 9HSQS40KTA1266 Q307 TRANSISTOR KTA1266(GR) 9HSQS40KTA1266 Q308 CHIP TRANSISTOR KTC3875Y-RTK 9HSQ1Y0KTC3875 Q401 TRANSISTOR KTA1266(GR) 9HSQS40KTA1266 Q402 TRANSISTOR KTC3203(Y) 9HSQSY0KTC3203 Q403 RES.
  • Page 87 Ref. No. Description Part No. Code CHIP RES.(1608) 1/10W J 2.2k Ω R322 9HSRXAJR5Z0222 CHIP RES.(1608) 1/10W J 39k Ω R323 9HSRXAJR5Z0393 CHIP RES.(1608) 1/10W J 560k Ω R324 9HSRXAJR5Z0564 CHIP RES.(1608) 1/10W J 4.7k Ω R327 9HSRXAJR5Z0472 CHIP RES.(1608) 1/10W J 1k Ω R328 9HSRXAJR5Z0102 CHIP RES.(1608) 1/10W J 8.2k Ω...
  • Page 88 Ref. No. Description Part No. Code CARBON RES. 1/6W G 10k Ω R514 9HSCX6GATZ0103 CARBON RES. 1/6W G 470 Ω R516 9HSCX6GATZ0471 CARBON RES. 1/4W J 270 Ω R517 9HSCX4JATZ0271 CARBON RES. 1/6W G 22k Ω R519 9HSCX6GATZ0223 CARBON RES. 1/6W J 330 Ω R520 9HSCX6JATZ0331 CARBON RES.
  • Page 89 Ref. No. Description Part No. Code CHIP RES.(1608) 1/10W J 75 Ω R755 9HSRXAJR5Z0750 CARBON RES. 1/6W J 75 Ω R756 9HSCX6JATZ0750 CHIP RES.(1608) 1/10W J 220 Ω R757 9HSRXAJR5Z0221 CARBON RES. 1/4W J 680 Ω R758 9HSCX4JATZ0681 CARBON RES. 1/4W J 560 Ω R759 9HSCX4JATZ0561 CARBON RES.
  • Page 90 Ref. No. Description Part No. Code CHIP RES.(1608) 1/10W J 1k Ω R1211 9HSRXAJR5Z0102 CHIP RES.(1608) 1/10W J 100k Ω R1221 9HSRXAJR5Z0104 CHIP RES.(1608) 1/10W J 100k Ω R1222 9HSRXAJR5Z0104 CHIP RES.(1608) 1/10W J 470 Ω R1223 9HSRXAJR5Z0471 CHIP RES.(1608) 1/10W J 470 Ω R1224 9HSRXAJR5Z0471 CHIP RES.(1608) 1/10W J 220 Ω...
  • Page 91 Ref. No. Description Part No. Code AC1001! AC CORD PS8B1SP9G0A-067 9HSAA0202LW005 JACK COVER (TUNER) H97A0YD 9HS0VM416640 F1001! FUSE T1.6AL/250V 9HSAGC20BW3162 FH1001 FUSE HOLDER MSF-015 9HSH01Z00LY001 FH1002 FUSE HOLDER MSF-015 9HSH01Z00LY001 CARBON RES. 1/6W J 100 Ω 9HSCX6JATZ0101 CARBON RES. 1/6W J 1k Ω 9HSCX6JATZ0102 CARBON RES.
  • Page 92 AFV CBA Ref. No. Description Part No. Code AFV CBA 9HS1VSA10628 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 93: Deck Mechanism Section

    DECK MECHANISM SECTION VCR/DVD COMBINATION DV-NC100X 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 94: 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 95 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% isopropyl alcohol and 2.

  • Page 96: 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 97: 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 98: Tape Interchangeability Alignment

    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 99 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 100 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 101 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 102: 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 [41] and [42] in Fig.
  • Page 103 REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER DM1 , DM14 [29] [25] Idler Gear DM1 , DM14 * ( L-11 ) [30] [29] Idler Arm DM2 , DM14 * ( P-6 ) [31] [25] BT Arm Loading Arm ( SP ) ( + ) Refer to Alignment...
  • Page 104 Top View [41] [42] [43] [46] [14] [13] [11] [15] [36] [10] [12] [35] [34] [40] [29] [30] [16] [39] [38] Fig. DM1 Bottom View [20] [33] [32] [24] [26] [27] [25] [23] [28] [22] [21] [31] Fig. DM2 H9745DA 2-4-3...
  • Page 105 (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 106 [11] (S-4A) (L-4) [46] (P-3) [13] [47] Removal of [11] [12] (L-14) 1) Remove screw (S-4A). 2) Unhook spring (P-2). [10] Release (L-4) while (P-2) holding [12] with a finger. Loosen a finger holding [12] and remove [11]. (S-2) Pin of [12] Pin of [10] Groove of [28] When reassembling [10] and...
  • Page 107 Installation of [13] and [12] (S-5) [14] (S-6) [16] [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 108 (S-8) [22] (C-2) (C-1) [23] (L-6) [21] (P-5) [20] Cap Belt (P-5) [28] Installation position of Cap Belt [21] Cap Belt When installing [23], install the spring (P-5) to [28] as shown in the left figure, and then install [23] while Pin on pressing the spring (P-5) to bottom...
  • Page 109 (P-6) [25] (C-4) [31] Refer to the Alignment Section, Page 2-5-1. (S-9) [29] [33] [30] (L-11) (L-10) [32] (L-8) (C-3) [27] [28] [24] [26] (L-9) Fig. DM14 Fig. DM13-1 [36] Break belt (P-7) Installation of [25] [34] Position of Mode Lever when installed [40] Pin of [35] Pin of [31]...
  • Page 110 [42] [41] [43] (L-13) [44] [45] Slide Fig. DM17 Slide Plate (S-11) Fig. DM16 H9745DA 2-4-9...

  • Page 111: 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 112: Deck Exploded Views

    DECK EXPLODED VIEWS Deck Mechanism View 1 B494 L1467 L1191 B553 B411 B567 L1053 B410 L1051 L1322 B501 B560 L1450 L1450 B426 L1466 B121 B126 B492 B571 Some Ref. Numbers are not in sequence. H9745DEX 2-6-1...
  • Page 113 Deck Mechanism View 2 B587 B521 B487 B416 B591 B520 B590 B522 L1406 B148 B499 B508 B592 B573 B574 B558 B564 B557 B414 B565 B525 L1151 B417 B568 B134 B133 B593 B491 B488 B559 B570 B516 B502 B507 B513 Some Ref. Numbers are not in sequence. H9745DEX 2-6-2...
  • Page 114 Deck Mechanism View 3 L1321 B347 L1321 B355 B354 B483 L1341 B425 B482 B562 B300 B563 B313 B529 B360 B359 B361 B555 B303 Some Ref. Numbers are not in sequence. B514 H9745DEX 2-6-3...

  • Page 115: 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 MK12 9HS0VSA13500 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 116 Ref. No. Description Part No. Code B568 BT ARM MK12 9HS0VM305728 B570 CAM RACK SPRING(HI) MK11 9HS0VM412923 B571 P.S.W CUT 1.6X4.0X0.5T 9HS0VM408485A B573 REEL(SP)(D2) MK12 9HS0VM203755 B574 REEL(TU)(D2) MK12 9HS0VM203756 B587 TENSION LEVER ASSEMBLY MK12 9HS0VSA13279 B590 BRAKE ARM(TU) MK12 9HS0VM203752E B591 BAND BRAKE(TU) MK12...
  • Page 117 DV-NC100X © COPYRIGHT 2004 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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