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Sharp VL-WD250S Service Manual

Liquid crystal digital camcorder
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1. SPECIFICATIONS .............................................................................................................................. 2
2. PART NAMES .................................................................................................................................... 3
3. DISASSEMBLY OF THE SET ............................................................................................................ 4
4. MECHANISM ADJUSTMENT JIGS AND PARTS .............................................................................. 6
ITEMS AND INTERVALS ................................................................................................................... 7
6. MECHANICAL ADJUSTMENTS AND CHECKS ................................................................................ 8
7. TAPE RUNNING ADJUSTMENT ..................................................................................................... 11
(DISASSEMBLY AND REASSENBLY) ........................................................................................... 13
9. ADJUSTING THE ELECTRICAL CIRCUITS .................................................................................... 20
10.USEFUL TIPS ................................................................................................................................... 39
11.SIGNAL FLOW DIAGRAMS ............................................................................................................. 40
12.BLOCK DIAGRAMS ......................................................................................................................... 43
13.SCHEMATIC DIAGRAMS ................................................................................................................ 50
14.SEMICONDUCTOR LEAD IDENTIFICATION ............................................................................... 120
15.PRINTED WIRING BOARD ASSEMBLIES .................................................................................... 122
16.REPLACEMENT PARTS LIST ....................................................................................................... 151
17.PACKING OF THE SET ................................................................................................................. 172
SERVICE MANUAL
LIQUID CRYSTAL DIGITAL CAMCORDER
MODELS
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
CONTENTS
SHARP CORPORATION
1
S31Q8VL-WD250
VL-WD250S/H/E
VL-WD450S/H/E
Page
VL-WD250S/H/E
VL-WD450S/H/E
PAL

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  • Page 1: Table Of Contents

    VL-WD250S/H/E VL-WD450S/H/E SERVICE MANUAL S31Q8VL-WD250 LIQUID CRYSTAL DIGITAL CAMCORDER VL-WD250S/H/E VL-WD450S/H/E MODELS In the interests of user-safety (Required by safety regula- tions in some countries) the set should be restored to its original condition and only parts identical to those specified be used.

  • Page 2: Specifications

    VL-WD250S/H/E VL-WD450S/H/E 1. SPECIFICATIONS Signal System: PAL standard Recording System: 2 rotary heads, helical scanning system Cassette: Digital VCR Mini DV video cassette Recording/Playback Time: 90 minutes (DVM60, LP mode) Tape Speed: SP mode: 18.831 mm/second LP mode: 12.568 mm/second Pickup Device: "...

  • Page 3: Part Names

    VL-WD250S/H/E VL-WD450S/H/E 2. PART NAMES For details on the use of each control. Left view Left view (VL-WD450S/H/E) (VL-WD250S/H/E) GAMMA/BRIGHTER button GAMMA/BRIGHTER button W/B (White Balance) button W/B (White Balance) button/ IR (Infrared) LIGHT button AUTO ON/OFF button AUTO ON/OFF button...

  • Page 4: Disassembly Of The Set

    VL-WD250S/H/E VL-WD450S/H/E 3. DISASSEMBLY OF THE SET Note: Before removing the cabinet, turn off the power supply, and ascertain that the battery have been removed. Turn SW connector LCD FPC 1, 2 Joint main FPC 1) Disconnect the connector of the turn SW.
  • Page 5 VL-WD250S/H/E VL-WD450S/H/E 1) Remove the screw ((a)LX-BZ0221TAFC)(1 pc.) to remove the cassette lid. 1) Disconnect the B TO B connector of the DV main FPC, disconnect the front and rear FPC connectors, and remove the screws ((c)XiPSF17P04000)(2 pcs.) to remove the main PWB.

  • Page 6: Mechanism Adjustment Jigs And Parts

    VL-WD250S/H/E VL-WD450S/H/E 4. MECHANISM ADJUSTMENT JIGS AND PARTS Configuration 1. Name 4-1. Mechanism check adjustment jigs 2. Part No. 3. Code <Note: The entries of list> * Model, Uses Remarks 1. Tension gauge 4N 1. PB-use cassette 1. Dial tension gauge 1.

  • Page 7: Inspection And Maintenance Items And Intervals

    VL-WD250S/H/E VL-WD450S/H/E 5. INSPECTION AND MAINTENANCE ITEMS AND INTERVALS In order to keep the mechanical section always in good condition, perform the following inspection and maintenance at regular intervals. In addition, after repair, perform the following maintenance items regardless of how long the user has been using the unit.

  • Page 8: Mechanical Adjustments And Checks

    VL-WD250S/H/E VL-WD450S/H/E 6. MECHANICAL ADJUSTMENTS AND CHECKS The items discussed here relate to general on-site servicing (field servicing). Adjustments and replacements that require sophisticated facilities, jigs and technology are omitted. In addition, in order to maintain the characteristics that the unit has when it is new, not only are inspection and maintenance necessary, but it is absolutely necessary that, for example, the tape not be damaged, and always use jigs for adjustments that require them.
  • Page 9 VL-WD250S/H/E VL-WD450S/H/E 6-4. Back tension torque check and adjustment in record (playback) mode Tension roller position (S guide standard) AC adapter used, with cassette controller assembly 0 ± 0.3 (1) Checking Set the torque cassette (SD-1015), and make sure in the SP record mode that...
  • Page 10 VL-WD250S/H/E VL-WD450S/H/E <REW back tension standard> (If the tension fluctuates, read its center value.) 15 ± 12mN 6-8. Checking of winding Tu reel base ratchet torque DC3V, without cassette controller assembly (Independent Mechanism) (1) Remove the cassette controller assembly, then apply DC3V to the loading motor and put the system into standby mode.

  • Page 11: Tape Running Adjustment

    VL-WD250S/H/E VL-WD450S/H/E 7. TAPE RUNNING ADJUSTMENT 7-1. Adjustment locations <Replacement parts> Adjust the height of only · T roller, arm replaced parts with the · Tu guide, arm adjusting jig. · Slide chassis Adjustment procedure 7-2 Running rough Running final...
  • Page 12 VL-WD250S/H/E VL-WD450S/H/E 7-4. Running rough adjustment (With cassette controller) 1) Su, Tu guide roller height adjustment Entrance side Exit side <Method and description> ±1/4 shift ±1/4 shift Normal (1) Loosen the guide roller lock screw, then tighten loosely so that the roller turns easily.

  • Page 13: Mechanical Section Assembly And Parts Replacement (Disassembly And Reassenbly)

    VL-WD250S/H/E VL-WD450S/H/E 8. MECHANICAL SECTION ASSEMBLY AND PARTS REPLACEMENT (DISASSEMBLY AND REASSEMBLY) Mechanical section disassembly and reassembly are explained in this section. For removal of the cabinet, etc., refer to 3. DISASSEMBLY OF THE SET. <Precautions> 1. Always replace cut washers that have been removed, for example in parts replacement, with new ones.
  • Page 14 VL-WD250S/H/E VL-WD450S/H/E (6) STOP mode (5) PLAYBACK (RECORD, FF, VSF) mode The system is in the STOP (Rec Lock in CAMERA mode) The mechanism position for playback, record, FF and fast position; the S and the T pole bases are snap-fitted to the drum feed playback.
  • Page 15 VL-WD250S/H/E VL-WD450S/H/E 8-3. How to operate with the circuit board without the cassette controller assembly. In this method, if the procedure is followed incorrectly there is danger of damaging the mechanism and the tape, so except in special cases, such as when measuring the VSR torque, do not perform this procedure. Normally operate this unit with the cassette controller assembly attached.
  • Page 16 VL-WD250S/H/E VL-WD450S/H/E 8-5. Reassembly 8-5-1. Reassembly in side of the main chassis. Note) Numbers before part names are given as a guide to the order of assembly. As for greasing/oiling/cleaning places refer to the attached drawings (Grease/Oil application side of the main chassis).
  • Page 17 VL-WD250S/H/E VL-WD450S/H/E 8-5-2. Reassembly in side of the Slide chassis. Note) Numbers before part names are given as a guide to the order of assembly. As for greasing/oiling/cleaning places refer to the attached drawings (Grease/Oil application side of the slide chassis)
  • Page 18 VL-WD250S/H/E VL-WD450S/H/E 8-5-3. Main chassis assembly and slide chassis assembly assembling method (1) Enter the coupling mode. (In this position, the cam groove of the T arm operation lever in the figure is parallel to the side of the main chassis, and the ball base is slightly moved.)
  • Page 19 VL-WD250S/H/E VL-WD450S/H/E GREASE/OIL APPLICATION From rear surface side Rear surface · groove side surface Front surface · rear surface · groove From rear side surface surface side Drum base assembly Main cam Loading lever Tu loading arm S loading arm...

  • Page 20: Adjusting The Electrical Circuits

    VL-WD250S/H/E VL-WD450S/H/E 9. ADJUSTING THE ELECTRICAL CIRCUITS Before starting the electric circuit adjustment • The adjustment methods described herein are used, in most cases, when the expendable mechanical parts, including the video head, have been replaced, at which time the electrical circuits need to be readjusted. Before adjusting the electrical circuits, make sure that the mechanism works properly (i.e., the mechanism is properly adjusted).
  • Page 21 VL-WD250S/H/E VL-WD450S/H/E VL-WD250S/H/E/WD450S/H/E Service jig configuration...
  • Page 22 VL-WD250S/H/E VL-WD450S/H/E VL-WD250S/H/E/WD450S/H/E Specifications of service jigs New or Price Connection section Connector REF. No. No. of pins Part cord Continuation code H/A_PWB–H/A_FPC P306– 80B-B QCNW-1832TAZZ H/A_FPC–MAIN –SC3301 80B-B CPWBH2876TA01 Product unit use MAIN–Battery Terminal SC900← DUNTK3063PM00 Product unit use —...
  • Page 23 VL-WD250S/H/E VL-WD450S/H/E [TEST POINT] (Wiring board diagram: Main Side B) TL6602(TELE-MIC) Super-directional microphone check TL6604(GND) TL6607(INT MIC R) EE level check EE level check Frequency character check Frequency character check TL6605(INT MIC L) EE level check SC5002 P6602 Frequency character check...
  • Page 24 VL-WD250S/H/E VL-WD450S/H/E [Making adjustments] Adjusting the servo system controller and related parts 1. Setting the system codes Replacement of IC703 E PROM requires the following data to be set in this order. [Procedure] Set the unit to the VCR mode and set the data for each address.
  • Page 25 VL-WD250S/H/E VL-WD450S/H/E ADJUSTING THE ELECTROMAGNETIC CONVERSION CIRCUIT SYSTEM 1. PLL VCO adjustment Mode VCR ADJ mode Procedure 1) Playback the alignment tape (or a self-recorded tape). 2) Call the adjustment mode (V-ADJ). 3) Set the address "2A" and call the data.
  • Page 26 VL-WD250S/H/E VL-WD450S/H/E 2. PCO D/A-C adjustment Test point TL5002 Mode EE mode Procedure 1) Connect the AVS cable and then connect it to the monitor (TO). 2) Call the adjustment mode (V-ADJ). 3) Set the address to "23", and call the data.
  • Page 27 VL-WD250S/H/E VL-WD450S/H/E 3. COMMON PULSE adjustment Test point TL1801(C OUT) Address VCR ADJ 29(C) Mode VCR AV input Procedure 1) Connect TL1800 to GND. 2) With VCR ADJ 29, adjust the output voltage of TL1801 and the DC voltage value of the digital voltmeter to the specified adjustment values.
  • Page 28 VL-WD250S/H/E VL-WD450S/H/E (Wiring board diagram: Main Side B) C3419 R3470 TL8847(COM) C639 C3417 R3416 C3418 C605 C3420 FL3403 R654 R3417 C3416 R670 VF COM-DC C3414 R3410 R3411 C3415 R636 R3415 C640 R638 R3404 R3442 R3406 C3406 TL8845(VR) TL8849(VF-HD) Q3401 C3465...
  • Page 29 VL-WD250S/H/E VL-WD450S/H/E 5. VF contrast adjustment Test point TL8846(VG) Address VCR ADJ E5 Mode VCR AV input Procedure 1) Input the signal of a 3-step waveform. 2) Set VCR ADJ EB/ED to FF/00. 3) Adjust the pedestal 100% range of the waveform of TL8846 to the specified adjustment value.
  • Page 30 VL-WD250S/H/E VL-WD450S/H/E ADJUSTING THE MIC AMP CIRCUIT (Wiring board diagram: Main Side B) TL6602(TELE-MIC) Super-directional microphone check TL6604(GND) TL6607(INT MIC R) EE level check EE level check Frequency character check Frequency character check TL6605(INT MIC L) EE level check SC5002...
  • Page 31 VL-WD250S/H/E VL-WD450S/H/E DV INTERFACE (IEEE1394) ID SETTING This unit has a DV interface function conforming to IEEE1394. Therefore, each individual ID number must be used for each unit. Since this ID is written on the E PROM (IC302) on the head amp PWB, the ID must be newly written when replacing this IC or the head amp PWB.
  • Page 32 VL-WD250S/H/E VL-WD450S/H/E (5) Click on [Repair use]. Click (6) Input the necessary information for the application. For the indispensable input items, be sure to input them. Select the [Group/company] and [Kind name] from the list. Input the [Model name]. Input the [Serial number].
  • Page 33 VL-WD250S/H/E VL-WD450S/H/E 9-2. Camera Section Adjustments 9-2-1. Camera section service (1) Camera adjustment is performed after the set has been completed. (2) Subjects, measuring instruments and jigs needed for camera section service and adjustments • Gray scale chart • Frequency counter •...
  • Page 34 VL-WD250S/H/E VL-WD450S/H/E 4) Operation flow FF or REW PLAY FF or REW PLAY STOP Address is selected and specified, with the data called. Then the called data are selected and fixed. The operation flows in this sequence. 5) When the adjustment is complete: Press the "CONTINUE"...
  • Page 35 VL-WD250S/H/E VL-WD450S/H/E (4) Camera signal system adjustment mode In the camera signal system adjustment mode, the automatic white balance is disabled to allow for the adjustment of the camera unit. At this time, the white balance mode is fixed at the INDOORS mode and the focus mode is switched to the manual focus mode.
  • Page 36 VL-WD250S/H/E VL-WD450S/H/E 9-2-4. Adjustment procedures Item Adjustment method (1) Auto-focus adjustment Set the unit to the auto-focus function adjustment mode and write data to the address "0000" one after another. This executed the adjustments automatically. The items to be adjusted are as listed below. Every time an adjustment is made properly, the data "FF"...
  • Page 37 VL-WD250S/H/E VL-WD450S/H/E Adjustment method Item (4) Iris AE coarse adjustment (1) Video output is observed with the oscilloscope in the grey scale standard record state, • Measurement terminal: the data of address "0002" is rewritten, and the luminance signal level is adjusted white to 735 ±...
  • Page 38 VL-WD250S/H/E VL-WD450S/H/E Adjustment method Item (1) White balance adjustment is performed repeatedly. (7) White balance adjustment • Measurement terminal: EE output • Address: "0090" INDOOR_W/B R "0092" INDOOR_W/B R • Measuring instrument: Vector scope • Object: Grey scale • Data variation width: "0000"...

  • Page 39: Useful Tips

    VL-WD250S/H/E VL-WD450S/H/E 10. USEFUL TIPS (PROBLEMS DIFFER FROM THOSE FOUND ON VHS OR 8MM DECKS BECAUSE THE SIGNALS ARE DIGITALLY PROCESSED.) Camera (EE mode) Camera (REC mode) VCR (EE mode) VCR (PB mode) Picture fails to appear when tape Picture fails...

  • Page 40: Signal Flow Diagrams

    VL-WD250S/H/E VL-WD450S/H/E 11. SIGNAL FLOW DIAGRAMS WAVEFORM DIAGRAM 11-1. EE MODE FLOW (VIDEO) (DURING COLOR BAR RECORDING) IC4401 249pin Y/YC Output CH1=500mV 20µs/d DC P*10 CAM ADIN 117 118 IC4401 170pin ZYP3 Input IC202 CAM ENGINE 5ms/d CH1=1V DC P*10...
  • Page 41 VL-WD250S/H/E VL-WD450S/H/E WAVEFORM DIAGRAM 11-3. FLOW IN PB MODE (VIDEO) (DURING COLOR BAR PLAYBACK) IC3401 32pin Output IC3401 39pin PBDATA Input HEAD AMP 5ms/d 5ms/d CH1=500mV CH1=500mV PB_DATA DC P*10 DC P*10 B TO B SC3301 PB_DATA IC3401 EQ/PLL IC3401 44pin Input...
  • Page 42 VL-WD250S/H/E VL-WD450S/H/E 11-5. FLOW IN PB MODE (AUDIO) WAVEFORM DIAGRAM (1.6 kHz SINE WAVE) From IC3404 same as in Video PB system 10µs/d CH1=1V DC P*10 IC452 REC/PB ENGINE DODAT 16Bit ADC/DAC IC1602 AUD-R_DA_OUT AUD-L_DA_OUT IC601 AUDIO I/O Headphone Jack...

  • Page 43: Block Diagrams

    VL-WD250S/H/E VL-WD450S/H/E 12. BLOCK DIAGRAMS 12-1. SYSTEM BLOCK DIAGRAM...
  • Page 44 VL-WD250S/H/E VL-WD450S/H/E 12-2. CAMERA SECTION BLOCK DIAGRAM...
  • Page 45 VL-WD250S/H/E VL-WD450S/H/E 12-3. VIO ENGINE SECTION BLOCK DIAGRAM...
  • Page 46 VL-WD250S/H/E VL-WD450S/H/E 12-4. REC/PB SECTION BLOCK DIAGRAM...
  • Page 47 VL-WD250S/H/E VL-WD450S/H/E 12-5. AUDIO/DIGITAL OUTPUT SECTION BLOCK DIAGRAM...
  • Page 48 VL-WD250S/H/E VL-WD450S/H/E 12-6. CAMERA CIRCUIT BLOCK DIAGRAM...
  • Page 49 VL-WD250S/H/E VL-WD450S/H/E - M E M O -...

  • Page 50: Schematic Diagrams

    VL-WD250S/H/E VL-WD450S/H/E 13. SCHEMATIC DIAGRAMS 13-1. OVERALL SCHEMATIC DIAGRAM 50–51...
  • Page 51 VL-WD250S/H/E VL-WD450S/H/E 13-2. TG SCHEMATIC DIAGRAM 52–53...
  • Page 52 VL-WD250S/H/E VL-WD450S/H/E 13-3. CDS SCHEMATIC DIAGRAM 54~55...
  • Page 53 VL-WD250S/H/E VL-WD450S/H/E 13-4. CAMERA ENGINE SCHEMATIC DIAGRAM 56~57...
  • Page 54 VL-WD250S/H/E VL-WD450S/H/E 13-5. LENS DRIVE SCHEMATIC DIAGRAM 58~59...
  • Page 55 VL-WD250S/H/E VL-WD450S/H/E 13-6. AUDIO I/O SCHEMATIC DIAGRAM 60~61...
  • Page 56 VL-WD250S/H/E VL-WD450S/H/E 13-7. MEC/SYS_MICON SCHEMATIC DIAGRAM 62~63...
  • Page 57 VL-WD250S/H/E VL-WD450S/H/E 13-8. VIDEO I/O SCHEMATIC DIAGRAM 64~65...
  • Page 58 VL-WD250S/H/E VL-WD450S/H/E 13-9. MOTOR DRIVER SCHEMATIC DIAGRAM 66~67...
  • Page 59 VL-WD250S/H/E VL-WD450S/H/E 13-10. LCD_DISPLAY SCHEMATIC DIAGRAM 68~69...
  • Page 60 VL-WD250S/H/E VL-WD450S/H/E 13-11. POWER1 SCHEMATIC DIAGRAM(VL-WD250S/H/E) 70~71...
  • Page 61 VL-WD250S/H/E VL-WD450S/H/E 13-12. POWER1 SCHEMATIC DIAGRAM(VL-WD450S/H/E) 72~73...
  • Page 62 VL-WD250S/H/E VL-WD450S/H/E 13-13. CONNECTION(B-B) SCHEMATIC DIAGRAM 74~75...
  • Page 63 VL-WD250S/H/E VL-WD450S/H/E 13-14. EQ/PLL SCHEMATIC DIAGRAM 76~77...
  • Page 64 VL-WD250S/H/E VL-WD450S/H/E 13-15. CAM/CARD MICON SCHEMATIC DIAGRAM(VL-WD250S/H) 78~79...
  • Page 65 VL-WD250S/H/E VL-WD450S/H/E 13-16. CAM/CARD MICON SCHEMATIC DIAGRAM(VL-WD250E) 80~81...
  • Page 66 VL-WD250S/H/E VL-WD450S/H/E 13-17. CAM/CARD MICON SCHEMATIC DIAGRAM(VL-WD450S/H) 82~83...
  • Page 67 VL-WD250S/H/E VL-WD450S/H/E 13-18. CAM/CARD MICON SCHEMATIC DIAGRAM(VL-WD450E) 84~85...
  • Page 68 VL-WD250S/H/E VL-WD450S/H/E 13-19. VIO ENGINE SCHEMATIC DIAGRAM 86~87...
  • Page 69 VL-WD250S/H/E VL-WD450S/H/E 13-20. DAC SCHEMATIC DIAGRAM 88~89...
  • Page 70 VL-WD250S/H/E VL-WD450S/H/E 13-21. CONN1 SCHEMATIC DIAGRAM(VL-WD250S/H/E) 90~91...
  • Page 71 VL-WD250S/H/E VL-WD450S/H/E 13-22. CONN1 SCHEMATIC DIAGRAM(VL-WD450S/H/E) 92~93...
  • Page 72 VL-WD250S/H/E VL-WD450S/H/E 13-23. MIC AMP SCHEMATIC DIAGRAM 94~95...
  • Page 73 VL-WD250S/H/E VL-WD450S/H/E 13-24. VF SCHEMATIC DIAGRAM 96~97...
  • Page 74 VL-WD250S/H/E VL-WD450S/H/E 13-25. REC/PB ENGINE SCHEMATIC DIAGRAM 98~99...
  • Page 75 VL-WD250S/H/E VL-WD450S/H/E 13-26. CONN2 SCHEMATIC DIAGRAM 100~101...
  • Page 76 VL-WD250S/H/E VL-WD450S/H/E 13-27. CCD SCHEMATIC DIAGRAM 102-103...
  • Page 77 VL-WD250S/H/E VL-WD450S/H/E 13-28. POWER SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS å å 104-105...
  • Page 78 VL-WD250S/H/E VL-WD450S/H/E 13-29. LCD DISPLAY2 SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS å 106-107...
  • Page 79 VL-WD250S/H/E VL-WD450S/H/E 13-30. ZOOM-MIC SCHEMATIC DIAGRAM, IR/JOINT SCHEMATIC DIAGRAM(VL-WD250S/H/E) 108-109...
  • Page 80 VL-WD250S/H/E VL-WD450S/H/E 13-31. IR/JOINT SCHEMATIC DIAGRAM(VL-WD450S/H/E) 110-111...
  • Page 81 VL-WD250S/H/E VL-WD450S/H/E 13-32. DV 232C HP SCHEMATIC DIAGRAM 112-113...
  • Page 82 VL-WD250S/H/E VL-WD450S/H/E 13-33. VCR OPERATION SCHEMATIC DIAGRAM 114-115...
  • Page 83 VL-WD250S/H/E VL-WD450S/H/E 13-34. AVS DC JACK SCHEMATIC DIAGRAM 116-117...
  • Page 84 VL-WD250S/H/E VL-WD450S/H/E 13-35. HEAD AMP SCHEMATIC DIAGRAM 118-119...

  • Page 85: Semiconductor Lead Identification

    VL-WD250S/H/E VL-WD450S/H/E 14. SEMICONDUCTOR LEAD IDENTIFICATION 3LN01S HN2A01FU 2SA1989R 2SC4627CD FC117 HN1B04FU 2SB12956 RTN144U CPH6701 HN2C01FU 2SC4738Y CPH3209 TK11813M RN4990 FMMT717 CPH3109 RN4984 RT1P441U XP05534 2SC5383F RN4982 RN1907 2SA1588Y CPH3206 HN1CO1FU RT1N441U 2SC4213B BAV756S MC2852 S81230SG TA75S01F RN1704 TC7S08U 580925AN...
  • Page 86 VL-WD250S/H/E VL-WD450S/H/E MA729 RD2R7UM0 MA2S111 HVU17TRF HVU350B EX1394CE HVU359TR HVC359TR MI1A3 CXA3503R ADS933Y MB88344F IX0854TA BH7277KV UPC2391G LB11990W BH7275KV TL1454PW CXA2096N NJM2904V MM1449XQ MB3881 ADC08351 MS548331 NJM2902V BBH7761KV BA7761KV PCM3003+ LV4051AT NJM3414V LR38610 IX0748TA LA7473V MB8346BV AN2536FH M40C558V IX0855TA T7A164S...

  • Page 87: Printed Wiring Board Assemblies

    VL-WD250S/H/E VL-WD450S/H/E 15. PRINTED WIRING BOARD ASSEMBLIES MAIN PWB Component Side SIDE A C5003 L5001 C5004 R5010 C5005 R5009 IC5001 P801 C5001 C5006 R5011 R5012 C5002 R5002 R1950 R5016 R5017 R5018 P5001 C5009 C5008 C5007 C711 X702 IC703 IC702 R703...
  • Page 88 VL-WD250S/H/E VL-WD450S/H/E Wiring Side SIDE A...
  • Page 89 VL-WD250S/H/E VL-WD450S/H/E Component Side SIDE B P6602 SC5002 P6601 C6621 R6628 C6628 R5801 C6604 R5800 R6602 L2800 C2800 L2801 C2801 R6633 C6611 R6635 R2804 R2803 R6615 R6616 R6619 R2808 R2806 R6617 R2807 R2805 R6636 C6618 R6621 R6620 R6624 C6634 Q6603...
  • Page 90 VL-WD250S/H/E VL-WD450S/H/E Wiring Side SIDE B...
  • Page 91 VL-WD250S/H/E VL-WD450S/H/E SUB PWB Component Side SIDE A C1603 C1604 R1662 C1610 C1605 C1601 C467 C1607 R5201 C1608 R7410 L1601 R1602 R1603 C1614 C1617 C1609 R5202 C1611 R1604 R5203 C462 IC408 FB456 C456 C465 Wiring Side SIDE A...
  • Page 92 VL-WD250S/H/E VL-WD450S/H/E Component Side SIDE B C404 R414 R407 IC401 R7420 C405 C473 C421 X401 R477 D472 R430 R478 R433 L471 C474 D471 C418 R418 R417 C419 TL402 R7402 C7417 D7402 R7419 R7417 D7401 C413 R7418 C430 C7401 R454 IC452...
  • Page 93 VL-WD250S/H/E VL-WD450S/H/E CCD PWB Component Side SIDE A TL13 TL11 TL91 TL10 TL18 TL19 TL93 TL92 TL17 TL16 TL15 TL14 TL12 Wiring Side SIDE A...
  • Page 94 VL-WD250S/H/E VL-WD450S/H/E Component Side SIDE B Wiring Side SIDE B...
  • Page 95 VL-WD250S/H/E VL-WD450S/H/E POWER PWB Component Side SIDE A R9905 C9900 R946 R932 R934 TL919 R935 R936 R9916 TL901 TL900 R948 TL911 R9917 C9904 R9908 R9910 R9909 C9901 C986 L961 R9907 R9911 TL905 FB9900 TL923 TL904 C983 Q9902 TL929 TL902 Q9905...
  • Page 96 VL-WD250S/H/E VL-WD450S/H/E Wiring Side SIDE A...
  • Page 97 VL-WD250S/H/E VL-WD450S/H/E Component Side SIDE B C918 R926 Q9913 C907 R944 R945 C919 R910 R915 R912 R913 R941 C917 R953 R9933 R909 R971 Q9906 R908 Q9910 R905 C904 C9911 R9925 Q9912 Q9908 IC900 C922 R9931 C908 R9912 C901 R9928 R978...
  • Page 98 VL-WD250S/H/E VL-WD450S/H/E Wiring Side SIDE B...
  • Page 99 VL-WD250S/H/E VL-WD450S/H/E JOINT PWB Component Side SIDE A SC2024 BAT2021 SC2023 SC2022 Wiring Side SIDE A...
  • Page 100 VL-WD250S/H/E VL-WD450S/H/E Component Side SIDE B R2021 TL2034 R2022 TL2072 TL2070 TL2069 TL2067 R2023 TL2071 TL2031 R2024 R2025 TL2066 TL2064 R2026 TL2040 TL2062 TL2061 TL2060 TL2059 TL2063 R2027 TL2032 TL2030 TL2028 TL2027 TL2025 TL2058 TL2037 TL2057 TL2056 TL2042 TL2043 TL2041...
  • Page 101 VL-WD250S/H/E VL-WD450S/H/E DV/PC CONNECTION PWB Wiring Side SIDE A Component Side SIDE A J2002 J2001 C2002 C2001 R2001 J2003...
  • Page 102 VL-WD250S/H/E VL-WD450S/H/E Wiring Side SIDE B Component Side SIDE B FL2001...
  • Page 103 VL-WD250S/H/E VL-WD450S/H/E OPERATION PWB Component Side SIDE A Wiring Side SIDE A SW2051 SW2056 SW2057 SW2058 SW2052 SW2055 SW2053 SW2054...
  • Page 104 VL-WD250S/H/E VL-WD450S/H/E Component Side SIDE B Wiring Side SIDE B...
  • Page 105 VL-WD250S/H/E VL-WD450S/H/E AVS DC JACK PWB Component Side SIDE A J2011 SW2013...
  • Page 106 VL-WD250S/H/E VL-WD450S/H/E Wiring Side SIDE A...
  • Page 107 VL-WD250S/H/E VL-WD450S/H/E Component Side SIDE B TL2203 TL2204 TL2202 TL2201 TL2206 TL2205 TL2207 TL2211 TL2228 R2011 FL2011 TL2227 FL2012 TL2226 TL2236 TL2225 TL2208 TL2209 TL2210 R2014 TL2224 TL2223 TL2221 TL2219 R2013 TL2220 TL2218 TL2222 TL2214 TL2212 TL2213 TL2238 TL2239 TL2217...
  • Page 108 VL-WD250S/H/E VL-WD450S/H/E Wiring Side SIDE B...
  • Page 109 VL-WD250S/H/E VL-WD450S/H/E LCD PWB Component Side SIDE A L9801 C9803 C9810 C9809 Q9801 T9800 L9800 R9817 R9816 D9800 C9806 R9808 R9813 FB3801 R3819 C9812 R9812 R3800 R3813 R3810 C3802 C3803 R3802 C3821 C3810 D3801 R3827 C3820 R3811 R3826 R3818 C3809...
  • Page 110 VL-WD250S/H/E VL-WD450S/H/E Wiring Side SIDE A...
  • Page 111 VL-WD250S/H/E VL-WD450S/H/E Wiring Side SIDE B...
  • Page 112 VL-WD250S/H/E VL-WD450S/H/E REMOCON/IR PWB Wiring Side SIDE A Component Side SIDE A RMC2041 D2042 D2041 Wiring Side SIDE B Component Side SIDE B...
  • Page 113 VL-WD250S/H/E VL-WD450S/H/E HEAD AMP PWB Component Side SIDE A R332 C320 C315 R330 R331 R333 R321 R308 C322 C304 R320 Q302 C331 C307 C330 R318 P306 C305 R312 C324 C311 R323 C319 R304 R325 C333 Q303 C301 C327 R324 C342...
  • Page 114 VL-WD250S/H/E VL-WD450S/H/E Component Side SIDE B C345 L301 C303 Wiring Side SIDE B...
  • Page 115 VL-WD250S/H/E VL-WD450S/H/E ZOOM-MIC JACK PWB Wiring Side SIDE A Component Side SIDE A J2041 Wiring Side SIDE B...

  • Page 116: Replacement Parts List

    VL-WD250S/H/E VL-WD450S/H/E 16. REPLACEMENT PARTS LIST/ Ref. No. Part No. Description Code Ref. No. Part No. Description Code EXPLODED VIEWS DUNTK3044PM05(VL-WD450S) DUNTK3044PM06(VL-WD450H) DUNTK3044PM07(VL-WD450E/EW/EX) ELECTRICAL PARTS LIST DUNTK3044PM08(VL-WD250S) DUNTK3044PM10(VL-WD250E/EW/EX) Parts marked with " å " are important for maintaining the safety of the DUNTK3044PM12(VL-WD250H) set.
  • Page 117 VL-WD250S/H/E VL-SD20U VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code Q1701 VSHN2C01FU/-1 HN2C01FU L6601 VPD9M470K4R1N Peaking, 47µH Q1800 VS3LN01S///-1 3LN01S L7800 VPD9M470K4R1N Peaking, 47µH Q1900 VSiMD16A///-1 IMD16A L7801 VPD9M680J8R6N Peaking, 68µH Q1901 VS2SC4213B/-1 2SC4213B L8800 VPMAN100MR50N Peaking, 10µH...
  • Page 118 VL-WD250S/H/E VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code C1416 VCKYCZ1CB103K 0.01 16V Ceramic C567 VCKYCZ1HF103Z 0.01 50V Ceramic C1417 VCKYCZ1AF104Z 10V Ceramic C568 VCKYCZ1HB102K 1000p 50V Ceramic C1418 VCKYCZ1CB103K 0.01 16V Ceramic C569 VCKYCZ1AF104Z...
  • Page 119 VL-WD250S/H/E VL-SD20U VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code C3432 VCKYCZ1AF104Z 10V Ceramic C4481 VCSATA0JJ106M 6.3V Tantalum C3433 VCKYCZ1CB103K 0.01 16V Ceramic C4482 VCKYCZ1CB103K 0.01 16V Ceramic C3434 VCKYCZ1CB103K 0.01 16V Ceramic C4483 VCSATA1AJ475M...
  • Page 120 VL-WD250S/H/E VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code C8811 VCCCCZ1HH330J 50V Ceramic R570 VRS-CZ1JF562J 5.6k 1/16W Metal Oxide C8812 VCCCCZ1HH330J 50V Ceramic R571 VRS-CZ1JF153J 15k 1/16W Metal Oxide C8815 VCKYTV1AB105K 10V Ceramic R572 VRS-CZ1JF223J...
  • Page 121 VL-WD250S/H/E VL-SD20U VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code R737 VRS-CZ1JF102J 1/16W Metal Oxide R1724 VRS-CZ1JF330J 1/16W Metal Oxide R738 VRS-CZ1JF102J 1/16W Metal Oxide R1725 VRS-CZ1JF102J 1/16W Metal Oxide R739 VRS-CZ1JF102J 1/16W Metal Oxide...
  • Page 122 VL-WD250S/H/E VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code R3422 VRS-CZ1JF151D 150 1/16W Metal Oxide R3735 VRS-CZ1JF102J 1/16W Metal Oxide R3423 VRS-CZ1JF182J 1.8k 1/16W Metal Oxide R3736 VRS-CZ1JF332J 3.3k 1/16W Metal Oxide R3424 VRS-CZ1JF151J 150 1/16W Metal Oxide...
  • Page 123 VL-WD250S/H/E VL-SD20U VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code R7827 VRS-CZ1JF105J 1/16W Metal Oxide R4468 VRS-CZ1JF562D 5.6k 1/16W Metal Oxide R7841 VRS-CZ1JF333J 33k 1/16W Metal Oxide R4469 VRS-CZ1JF332J 3.3k 1/16W Metal Oxide R7843 VRS-CZ1JF333J...
  • Page 124 VL-WD250S/H/E VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code C468 VCKYCZ1CB103K 0.01 16V Ceramic DUNTK3045PM01 C473 VCKYCZ1AB104K 10V Ceramic SUB PWB UNIT C474 VCKYCZ1AB104K 10V Ceramic C1601 VCSATA0JJ106M 6.3V Tantalum INTEGRATED CIRCUITS C1602 VCKYCZ1AF104Z 10V Ceramic...
  • Page 125 VL-WD250S/H/E VL-SD20U VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code R7413 VRS-CZ1JF512D 5.1k 1/16W Metal Oxide TRANSISTORS R7415 VRS-CZ1JF560D 1/16W Metal Oxide Q900 VS2SC5383F/-1 2SC5383F R7416 VRS-CZ1JF560D 1/16W Metal Oxide Q960 VSCPH6702++-1 CPH6702++ R7417 VRS-CZ1JF560D...
  • Page 126 VL-WD250S/H/E VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code C961 VCKYCZ1HB102K 1000p 50V Ceramic R948 VRS-CZ1JF184J 180k 1/16W Metal Oxide C962 VCKYCZ1HB102K 1000p 50V Ceramic R950 VRS-CZ1JF153D 15k 1/16W Metal Oxide C963 VCKYCZ1HB102K 1000p 50V Ceramic...
  • Page 127 VL-WD250S/H/E VL-SD20U VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code L9801 RCiLP0287TAZZ Coil, CiLP0287TA C2042 VCKYCY0JF105Z 6.3V Ceramic å T9800 RTRNZ0157TAZZ Transformer RESISTORS CAPACITORS R2021 VRS-CZ1JF363D 36k 1/16W Metal Oxide C3802 RC-KZ0084TAZZ 25V Ceramic R2022...
  • Page 128 VL-WD250S/H/E VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code C302 VCKYCZ1HF103Z 0.01 50V Ceramic DUNTK3052PM00 C303 VCSATE1AJ336M 10V Tantalum OPERATION PWB UNIT C304 VCKYCZ1AF104Z 10V Ceramic C305 VCCCCY1HH331J 330p 50V Ceramic MISCELLANEOUS PARTS C306 VCKYCZ1HB102K...
  • Page 129 VL-WD250S/H/E VL-SD20U VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code MSPRP0185GEZZ PB Guide SPR. MECHANISM PARTS LX-WZ1071GE02 CW ø 0.7 ø 1.8t0.1 LX-WZ1104GE06 CW ø 0.7 ø 2.2t0.25 LX-WZ1029GE00 CW ø 1.2 ø 3t0.25 LCHSM0181GEZZ Main Chassis Ass’y...
  • Page 130 VL-WD250S/H/E VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code LHLDZ1607TAZZ Microphone Holder CABINET PARTS LIST PFLT-0036TAZZ Microphone Spacer PMLT-0222TAZZ Microphone Grille Sound Insulation Molt DCABA6222LM01 Cabinet A Preparation 1-1-2 GCOVH1274TASA DV Terminal Cover LANGK0606TAFW Lens Fitting Angle...
  • Page 131 VL-WD250S/H/E VL-SD20U VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code TLABM2196TAZZ Model Label(WD450EW) SUPPLIED ACCESSORIES TLABM2202TAZZ Model Label(WD250EX) TLABM2197TAZZ Model Label(WD450EX) ACCESSORIES QSW-Z0362TAZZ Zoom SW Unit å QACCB0016TAZZ AC Cable VSP0020P-968N Speaker (WD250H/EW/WD450H/EW) DUNTK3054TAZZ Zoom Microphone PWB Unit —...
  • Page 132 VL-WD250S/H/E VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code PCOVN9001TAZZ Wind Screen (WD450S/E/EW/EX) SPAKA6367TAZZ Microphone Cover (WD450S/E/EW/EX) QPLGA0001AJZZ Plug Converter (WD250E/WD450E) ACCESSORIES (NOT REPLACEMENT ITEM) TGAN-0068PEZZ Guarantee Card — (WD250EX/WD450EX) TGANE0073TAZZ Guarantee Card — (WD250H/WD450H)
  • Page 133 VL-WD250S/H/E VL-SD20U VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code MECHANISM CHASSIS EXPLODED VIEW 4±0.5 8.5±0.5 1 pc. 411~ 411~ 1 pc. +0.5 +0.5...
  • Page 134 VL-WD250S/H/E VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET EXPLODED VIEW 7-16 4-15 7-20 7-21 7-11 7-22 7-18 7-19 7-17 4-11 7-14 7-13 2-10 4-13 4-9 7-12 7-15 7-10 4-14 4-1-2 4-10 4-12 8-4-2...
  • Page 135 VL-WD250S/H/E VL-SD20U VL-WD450S/H/E Ref. No. Part No. Description Code CASSETTE CONTROL EXPLOOD VIEW Ref. No. Part No. Description Code 4±0.5 8.5±0.5 CAMERA UNIT EXPLOOD VIEW...
  • Page 136 VL-WD250S/H/E VL-WD450S/H/E VL-WD250S/H/E/WD450S/H/E SERVICE JIG SPECIFICATIONS Ref. No. Part No. Description Code Ref. No. Part No. Description Code 1-1. Adjusting jigs for checking the mechanism Name New part Type number, Application Part code Code PB-use cassette torque meter 1mN·m/15mN·m 9DASD-1015...

  • Page 137: Packing Of The Set

    VL-WD250S/H/E VL-SD20U VL-WD450S/H/E No.1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code 17. PACKING OF THE SET No.4 No.28 No.12 No.13 No.3 No.30 No.2 No.14 No.32 No.15 No.19 No.5 No.31 No.23 No.20, No.21, No.22 No.16 No.6 No.27...
  • Page 138 VL-WD250S/H/E VL-WD450S/H/E Ref. No. Part No. Description Code Ref. No. Part No. Description Code...
  • Page 139 Part No. Description Code © COPYRIGHT 2001 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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