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VL-H870U
VL-H875U
VL-H890U
1. IMPORTANT SERVICE NOTES ..................................................................................................... 1-1
2. SPECIFICATIONS ........................................................................................................................... 2-1
3. PART NAMES AND FUNCTION ...................................................................................................... 3-1
4. DISASSEMBLY OF THE SET .......................................................................................................... 4-1
5. MECHANISM ADJUSTMENT .......................................................................................................... 5-1
6. ADJUSTMENT OF VCR AND CAMERA .......................................................................................... 6-1
7. SYSTEM BLOCK DIAGRAMS ........................................................................................................ 7-1
8. SCHEMATIC DIAGRAMS ............................................................................................................... 8-1
9. SEMICONDUCTOR LEAD IDENTIFICATION ................................................................................ 9-1
10.PRINTED WIRING BOARD ASSEMBLIES ................................................................................... 10-1
11.REPLACEMENT PARTS LIST ...................................................................................................... 11-1
12.PACKING OF THE SET ................................................................................................................ 12-1
SHARP CORPORATION
SERVICE MANUAL
LIQUID CRYSTAL CAMCORDER Hi
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
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
S29C4VL-H870U
8
VL-H870U
VL-H875U
VL-H890U
Page
VL-H870U
VL-H870U
VL-H875U
VL-H875U
VL-H890U
VL-H890U
NTSC

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Summary of Contents for Sharp VL-H870U

  • Page 1: Table Of Contents

    VL-H870U VL-H870U VL-H870U VL-H875U VL-H875U VL-H875U VL-H890U VL-H890U VL-H890U SERVICE MANUAL S29C4VL-H870U LIQUID CRYSTAL CAMCORDER Hi NTSC VL-H870U VL-H875U VL-H890U 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: Important Service Notes

    VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 1. IMPORTANT SERVICE NOTES connections, metal cabinet, screw heads, knobs and BEFORE RETURNING THE VIDEO CAMERA control shafts, etc.) and measure the AC voltage drop RECORDER across the resistor. Reverse the AC plug (a non...
  • Page 3 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U WARNING :TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO WET LOCATIONS. CAUTION CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN This symbol mark means following. Camcorder only...
  • Page 4 1-800-8-BATTERY or your local recycling center. If you are located outside the United States, contact your local authorities for information concerning proper disposal and/ or recycling of this battery. SHARP’s involvement in this program is part of our commitment to protecting our environment and conserving natural resources.
  • Page 5: Specifications

    Specifications are subject to change without notice. SERVICE INFORMATION (For the U.S.) For the location of the nearest Sharp Authorized Service, or to obtain product literature, accessories, supplies or customer assistance, please call 1-800-BE SHARP (1-800-237-4277) or visit SHARP's website (http://www.sharp-usa.com)
  • Page 6: Part Names And Function

    VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 3. PART NAMES AND FUNCTION For details on the use of each control.
  • Page 7: Disassembly Of The Set

    VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 4. DISASSEMBLY OF THE SET 4-1. DISASSEMBLY OF THE VCR PARTS Note: Before removing the cabinet, turn off the power supply, and ascertain that the battery has been removed. <1. Removal of the Cabinet L>...
  • Page 8 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U <2. Remove the Tripod Angle.> Main P.W.B Tripod Angle Microphon connector (3) Remove the Microphon connector. Remove the main P.W.B.fixing screws (f)XiPSD20P03000(3pcs.). Lift the main P.W.B. in the arrow direction and remove the connection "B to B".
  • Page 9 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U <7. Removal of the cassette compartment lid> Note: When fixing the cassette compartment lid, first engage the claws A and B, and then engage the claws C and D, verify that the four claws (A, B, C and D) of the cassette compartment lid are securely engaged as shown in the view below.
  • Page 10 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 4-2. REMOVAL OF THE CAMERA PARTS Note: Before removing the Cabinet, turn off the power supply,and ascertain that the battery has been removed. Pull out Pull out Camera front cabinet 1. Remove the screws (b)LX-HZ0018TAFF(1pc.),(a)LX-HZ 0 0 1 8 T A F N ( 1 p c .
  • Page 11 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Remove Open Remove Tilt connector Open 6. Remove the Tilt connectors(2pcs.) as the Tilt Frame C. are floating in the air. Note: Take care to prevent breaking the FPC when the Tilt Frame C.
  • Page 12 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 4-3. REPLACEMENT OF CCD SENSOR 4-3-1. Before replacement 1) The CCD image sensor is more sensitive to electrostatic breakage than C-MOS LSI. Therefore sufficient means to prevent electrostatic damage must be taken when it is replaced.
  • Page 13: Mechanism Adjustment

    VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 5. MECHANISM ADJUSTMENT Configuration 1. Name 5-1. MECHANISM CHECKING/ADJUSTING JIGS, TOOLS AND PARTS 2. Part No. 3. Code 5-1-1. Mechanism checking/adjusting jigs and tools * Model, Uses Remarks <Note: The entries of list> 1. Cassette torquemeter 1.
  • Page 14 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 5-2. ITEMS AND TIMINGS OF INSPECTION AND MAINTENANCE The mechanism of VCR needs the following periodic inspection and maintenance in order that it maintains its high quality. Also, after the machine is repaired, execute the following maintenance and checks regardless of how long it has been used.
  • Page 15 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 5-3. MECHANISM CHECKS AND ADJUSTMENTS The description given below relates to the general field services, but does not relate to the adjustment and replacement that require high level equipments, jigs, and technical skills. In order to maintain the initial characteristics of the machine, it is necessary to execute the maintenance and check and to prevent damage to tapes and other parts.
  • Page 16 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 5-3-4. Checking and adjusting the tension pole position (1) Check – 0.5 When winding of P6-120 tape is started, check whether the tension pole is in the Si roller specified position against Si roller as shown or not.
  • Page 17 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 5-4. ADJUSTMENT OF MECHANISM TAPE TRAVEL SYSTEM Sup tilted pole 5-4-1. Preparation for adjustment Tu GR Sup GR Tu tilted pole A (1) Clean the tape running areas (guide poles, rollers, drum, Tu tilted pole B...
  • Page 18 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 5-4-4. Adjusting the Tu guide Upper flange Height setting jig After replacement of Tu guide preset and adjust the height. Master plane (1) Tu guide height presetting (Figure 6) (JiGMP-MX7U) Adjust the height from the upper surface of mechanism chassis to the Lower upper surface of lower flange with the aid of jig.
  • Page 19: Disassembling And Assembling

    VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 5-5. MECHANISM ASSEMBLING AND PARTS REPLACEMENT (DISASSEMBLING AND ASSEMBLING) Below is given an explanation of assembling of mechanism and its parts replacement. The removal of cabinet and Circuit Board is explained in the relevant service manual.
  • Page 20 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 5-5-2. Cassette control ass’y <Disassembling> Lock Lever Down Guide (1) Set the unit to the EJECT mode, and let the housing stand upright. Or set the unit to the STANDBY mode, press the lock lever in the arrow direction, and let the housing stand upright.
  • Page 21 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U (5) Balancer (3) Upper drum ass’y Upper drum Balancer mounting Remove the balancer ass'y Remove the upper drum screw mounting screw as ass’y from the lower drum Balancer shown in Figure 5, and ass'y as shown in Figure Gap shim remove the balancer.
  • Page 22 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U (3) Lower drum ass'y Motor stator Tighten the FPC mounting screw to the lower drum ass'y. The screw Stator set tightening torque must be 0.08N·m (tighting torque 0.8kg·cm). (Fig- screw ure 6) (4) Upper drum ass’y After fitting the gap shim which was removed when the upper drum ass'y was dismantled to the shaft of lower drum ass’y, fit the upper...
  • Page 23 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U (4) Install the loading block assembly and the capstan motor. (7) Install the guide rail assembly taking care to position it (5) Install the drive gear. At this time, pay attention to the correctly.
  • Page 24 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U (8) Install the drum assembly in the chassis. (11) Install the slide chassis. (9) Install the tape guide in the drum assembly. (10) Install the Si roller. T arm guide Tape guide Slide this part towards the T arm.
  • Page 25: Adjustment Of Vcr And Camera

    VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 6. ADJUSTMENT OF VCR AND CAMERA 6-1. INITIAL SETTING OF E PROM IC 6-1-1. E PROM data alterable ways 1) Set the switch of main body to CAM, and use the remote control (RRMCG0033TASA) for adjustment to turn on the adjustment mode.
  • Page 26 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U < Adjusting the video/LCD section > • Measuring instruments: *Color monitor TV set *AC adapter *AV output cable (accessory) *Digital voltmeter *Oscilloscope *Video recording tape *DC power supply *Frequency counter (For Y/C, audio and servo adjustments)
  • Page 27 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U • Types of test modes Contents TEST No. Title Sensor on/off Sensors off All sensors but the cassette controller switch, dew sensor and battery sensor stay off. Automatic battery sensor Battery sensor’s input voltage put in memory.
  • Page 28 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 6-3-2-3. Battery shut-off voltage adjusting method 1) Supply power to the main unit, using the variable-voltage DC power supply (range of 2.5V to 5V). 2) Set the CAM/OFF/VCR SW to CAM to switch to the camera mode.
  • Page 29 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 6-3-3. Adjusting the VCR circuit 6-3-3-1. Adjusting the power • Test Points on the Video Circuit Board circuit a) POWER CIRCUIT ADJUSTMENT PROCEDURE Turn on power (camera). 1. Adjust to CAM 15V. 2. Check P-CON 4.9V.
  • Page 30 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 6-3-4. Adjustment of system controller and servo circuit 6-3-4-1. Adjustment of playback switching point Measuring instrument Oscilloscope b) CHARGING CIRCUIT ADJUSTMENT PROCEDURE Mode Playback 1) Play back the alignment tape (JiGWR5-5NSP) 2) Press the “CONTINUOUS PUSH” and “TEST MODE SELEC- Adjustment address TION”...
  • Page 31 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 2. Adjustment of EE Y level Measuring instrument Oscilloscope Mode VCR STOP Input signal Color bar 500 ± 20 mVp-p Measuring point TL3402, TL8356 (GND) Adjustment address 500 ± 20 mVp-p Adjustment level (1) Input the color bar signal into the video input/output terminal in the VCR STOP mode.
  • Page 32 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 7. Adjustment of PB Y level Measuring instrument Oscilloscope Mode Input signal Color bar (JiGWR5-8NSE) 500 ± 20 mVp-p Measuring point TL3402, TL8356(GND) Adjustment address 500 ± 20 mVp-p Adjustment level (1) Set the color bar tape for alignment (JiGWR5-8NSE).
  • Page 33 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 12. Adjustment of Y-FM deviation (Normal-8) Measuring instrument Oscilloscope Mode REC/PB (self-playback/recording) Input signal Color bar 500 ± 20 mVp-p Measuring point TL3402 Adjustment address 500 ± 20 mVp-p Adjustment level (1) Set the recordable tape.
  • Page 34 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 16. Adjustment of REC-Y equalizer (Normal-8 MP) SYNC Measuring instrument Oscilloscope (TL3402) Mode VCR STOP Input signal Color bar Measuring point TL7443 Adjustment address 400 mVp-p 400 ± 20 mVp-p Adjustment level (1) Input the color bar signal into the video input/output terminal in the VCR STOP mode.
  • Page 35 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 6-3-6. Adjustment of audio circuit Note: The data enclosed in the brackets [ ] are for the sub-channel. 1. Adjustment of filter f0 (1) Connect the oscilloscope to TL605. Measuring instrument Oscilloscope (2) Play back the stereo standard tape (JiGWR5-9NS), and...
  • Page 36 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 7. VCO adjustment Measuring point TL1802 Address Mode VCR AV input Adjusting method 1) AV input : NON Signal 2) Connect the frequency counter to TL1802, and adjust the frequency. Adjustment standard 15.734kHz ± 100Hz Remarks ———————...
  • Page 37 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 6-4. ADJUSTMENT OF CAMERA SECTION 6-4-1. Servicing of camera section (1) Object, measuring instrument and jigs necessary for camera section servicing • Gray scale chart • Color bar chart • Halogen light (2 pcs.) •...
  • Page 38 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 6-4-2-1. Checking the power supply voltage • Measuring terminal: CAM 4.9V CAM 2.8V CAM 3.1V CAM 15V CAM -9V LENS 5V • Measuring instrument: Digital voltmeter 6-4-2-2. Auto focus adjustment • Basic iris adjustment...
  • Page 39 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 4. Burst gain adjustment Measuring instrument Oscilloscope Subject None Tape — VIDEO OUT (Terminated in 75 Ω) Test point 286mVp-p Adjustment address Adjustment level 286mVp-p 1) Measure the burst signal level on the oscilloscope. Using the address 1F9, adjust the burst amplitude to 286mVp-p.
  • Page 40: Trouble Shooting

    VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 6-5. TROUBLE SHOOTING 6-5-1. Classification of troubles û Check the Power circuit and system control circuit. No function at all û No tape ejection Check the system control and loading motor circuit. û Check the inverter transformer and power circuit.
  • Page 41 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 6-5-2. Troubleshooting for the camera section û Check the lens drive circuit (IC551) and main signal No picture line. û No color Check IC201 (DSP), and their peripherals. û Check IC501 (camera CPU) and its peripherals.
  • Page 42: System Block Diagrams

    VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 7. SYSTEM BLOCK DIAGRAMS NONREGE 3.6V BATTERY IC900 IC701 & Q701 3.3V POWER (SYS 3.3V) POWER (CAMERA) DC/DC Converter CONVERTOR IC501 IC704 POWER (AT 3.3V) CAMERA SYSTEM SERVO MICRO- CONTROLLER COMPUTER SERIAL BUS IC703...
  • Page 43: Lens Drive Block Diagram

    VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 7-1. CAMERA SECTION BLOCK DIAGRAM DATA/ADRS SYS TO CAM IC501 Camera µ-CON CAM TO SYS XPADDA IC201 CAM-Y IC151 IC101 A/DIN CAM-C SENSER MCKI Lens A/DCK ø V ø H IC11 V-DRIVER IC12 7-2. LENS DRIVE BLOCK DIAGRAM...
  • Page 44: Schematic Diagrams

    VL-H870U VL-H875U VL-H890U 8. SCHEMATIC DIAGRAMS 8-1. OVERALL SCHEMATIC DIAGRAM LOCATION MAP: (1/4)
  • Page 45 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4)
  • Page 46 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4)
  • Page 47 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4)
  • Page 48 VL-H870U VL-H875U VL-H890U 8-2. AUDIO CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4)
  • Page 49 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4)
  • Page 50 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4)
  • Page 51 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4)
  • Page 52 VL-H870U VL-H875U VL-H890U 8-3. LCD CIRCUIT SCHEMATIC DIAGRAM (VL-H870U/H875U) LOCATION MAP: (1/4)
  • Page 53 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4) 8-10...
  • Page 54 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4) 8-11...
  • Page 55 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4) 8-12...
  • Page 56 VL-H870U VL-H875U VL-H890U 8-3. LCD CIRCUIT SCHEMATIC DIAGRAM (VL-H890U) LOCATION MAP: (1/4) 8-13...
  • Page 57 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4) 8-14...
  • Page 58 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4) 8-15...
  • Page 59 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4) 8-16...
  • Page 60 VL-H870U VL-H875U VL-H890U 8-4. CHARGE CIRCUIT SCHEMATIC DIAGRAM 8-17...
  • Page 61 VL-H870U VL-H875U VL-H890U å AND SHADED COMPONENTS=SAFETY RELATED PARTS å å 8-18...
  • Page 62 VL-H870U VL-H875U VL-H890U 8-5. YCPROCESS CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4) 8-19...
  • Page 63 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4) 8-20...
  • Page 64 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4) 8-21...
  • Page 65 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4) 8-22...
  • Page 66 VL-H870U VL-H875U VL-H890U 8-6. YCCCD DELAY CIRCUIT SCHEMATIC DIAGRAM 8-23...
  • Page 67 VL-H870U VL-H875U VL-H890U 8-24...
  • Page 68 VL-H870U VL-H875U VL-H890U 8-7. YCRF CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4) 8-25...
  • Page 69 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4) 8-26...
  • Page 70 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4) 8-27...
  • Page 71 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4) 8-28...
  • Page 72 VL-H870U VL-H875U VL-H890U 8-8. POWER CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS LOCATION MAP: (1/4) 8-29...
  • Page 73 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4) 8-30...
  • Page 74 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4) 8-31...
  • Page 75 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4) 8-32...
  • Page 76 VL-H870U VL-H875U VL-H890U 8-9. SERVO CIRCUIT SCHEMATIC DIAGRAM 8-33...
  • Page 77 VL-H870U VL-H875U VL-H890U 8-34...
  • Page 78 VL-H870U VL-H875U VL-H890U 8-10. SYSTEM CONTROL CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4) 8-35...
  • Page 79 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4) 8-36...
  • Page 80 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4) 8-37...
  • Page 81 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4) 8-38...
  • Page 82 VL-H870U VL-H875U VL-H890U 8-11. SYSTEM D/A CONVERTER CIRCUIT SCHEMATIC DIAGRAM 8-39...
  • Page 83 VL-H870U VL-H875U VL-H890U 8-40...
  • Page 84 VL-H870U VL-H875U VL-H890U 8-12. SRIPRA CIRCUIT SCHEMATIC DIAGRAM 8-41...
  • Page 85 VL-H870U VL-H875U VL-H890U 8-42...
  • Page 86 VL-H870U VL-H875U VL-H890U 8-13. CDS/ADC CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4) 8-43...
  • Page 87 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4) 8-44...
  • Page 88 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4) 8-45...
  • Page 89 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4) 8-46...
  • Page 90 VL-H870U VL-H875U VL-H890U 8-14. CMC CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4) 8-47...
  • Page 91 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4) 8-48...
  • Page 92 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4) 8-49...
  • Page 93 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4) 8-50...
  • Page 94 VL-H870U VL-H875U VL-H890U 8-15. LENS DRIVE CIRCUIT SCHEMATIC DIAGRAM 8-51...
  • Page 95 VL-H870U VL-H875U VL-H890U 8-52...
  • Page 96 VL-H870U VL-H875U VL-H890U 8-16. TG CIRCUIT SCHEMATIC DIAGRAM 8-53...
  • Page 97 VL-H870U VL-H875U VL-H890U 8-54...
  • Page 98 VL-H870U VL-H875U VL-H890U 8-17. DSP CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4) 8-55...
  • Page 99 VL-H870U VL-H875U VL-H890U LOCATION MAP: (2/4) 8-56...
  • Page 100 VL-H870U VL-H875U VL-H890U LOCATION MAP: (3/4) 8-57...
  • Page 101 VL-H870U VL-H875U VL-H890U LOCATION MAP: (4/4) 8-58...
  • Page 102 VL-H870U VL-H875U VL-H890U 8-18. ZOOM CIRCUIT SCHEMATIC DIAGRAM 8-59...
  • Page 103 VL-H870U VL-H875U VL-H890U 8-60...
  • Page 104 VL-H870U VL-H875U VL-H890U 8-19. CCD CIRCUIT SCHEMATIC DIAGRAM 8-61...
  • Page 105 VL-H870U VL-H875U VL-H890U 8-62...
  • Page 106 VL-H870U VL-H875U VL-H890U 8-20. HEAD AMP CIRCUIT SCHEMATIC DIAGRAM 8-63...
  • Page 107 VL-H870U VL-H875U VL-H890U 8-64...
  • Page 108 VL-H870U VL-H875U VL-H890U 8-21. MOTOR DRIVE CIRCUIT SCHEMATIC DIAGRAM 8-65...
  • Page 109 VL-H870U VL-H875U VL-H890U 8-66...
  • Page 110: Semiconductor Lead Identification

    VL-H870U VL-H875U VL-H890U 9. SEMICONDUCTOR LEAD IDENTIFICATION 2SA1989R 2SA1298Y DTC144EE 2SC5383F 2SA1774F DTC323TK 2SC5384C 2SA1832Y RN2104 RT1P141U 2SB12956 2SD1328-S LB1882V IX0238TA MB8346BV RT1P241U 2SC4555 2SA1037KQ CXA1814N LB1951V UPD16510 RT1P441U 2SC4738 DTA114EE NJM2902V M62352GP LB1850V RT1N141U 2SC3931C UN9213 BA7785FS MC14053V NJU4066V...
  • Page 111: Printed Wiring Board Assemblies

    VL-H870U VL-H875U VL-H890U 10. PRINTED WIRING BOARD ASSEMBLIES 10-1. VCR P.W.B. Component Side SIDE A C2414 C2405 L1402 C1431 Q2402 L904 L917 R9423 C2409 IC2401 R4402 C4403 R4404 R9420 Q2403 X1401 R4421 R4405 R4401 C1429 C2411 L6401 R4418 Q4401 C4413...
  • Page 112 VL-H870U VL-H875U VL-H890U Wiring Side SIDE A 10-2...
  • Page 113 VL-H870U VL-H875U VL-H890U Component Side SIDE B R2452 Q2452 TL2804 TL2800 R2453 TL2801 R2407 TL2802 TL2803 P2901 TP403 CN2801 C5408 R6418 C6409 TP401 C5406 CN2800 R6420 R2458 TL2906 R6422 R6417 TL2923 TL2905 TL2919 TL2918 TL2920 TL2904 L2800 Q410 R2816 R2819...
  • Page 114 VL-H870U VL-H875U VL-H890U Wiring Side SIDE B 10-4...
  • Page 115 VL-H870U VL-H875U VL-H890U 10-2. CAMERA1 P.W.B. Component Side SIDE A TL32 TL31 TL29 TL28 TL27 TL26 TL24 TL23 TL22 TL21 TL34 TL30 TL35 IC502 TL33 TL36 TL38 TL37 R108 C11 TL106 C102 TL511 TL510 TL512 TL513 IC11 TL25 TL509 TL508...
  • Page 116 VL-H870U VL-H875U VL-H890U Wiring Side SIDE A 10-6...
  • Page 117 VL-H870U VL-H875U VL-H890U Component Side SIDE B R594 R591 R593 R588 C568 R589 TL563 R583 R599 C569 TL561 TL559 TL551 TL568 TL567 TL562 TL564 TL566 TL555 TL558 TL560 TL554 TL570 TL565 TL556 C562 C561 TL552 R578 R570 R515 TL523 L551...
  • Page 118 VL-H870U VL-H875U VL-H890U Wiring Side SIDE B 10-8...
  • Page 119 VL-H870U VL-H875U VL-H890U 10-3. CAMERA2 P.W.B. Component Side SIDE A TL241 TL217 TL202 TL244 TL243 TL205 TL245 TL219 C228 C229 IC201 TL272 TL251 L207 TL201 L202 C208 TL252 C222 C220 C217 C218 C223 R220 R216 C221 R219 C219 Q201 R202...
  • Page 120 VL-H870U VL-H875U VL-H890U Wiring Side SIDE A 10-10...
  • Page 121 VL-H870U VL-H875U VL-H890U Component Side SIDE B IC252 C261 C260 C206 C257 TL265 TL259 TL258 TL266 TL267 TL268 TL269 IC251 TL270 TL271 R253 R254 R252 R251 C254 C253 10-11...
  • Page 122 VL-H870U VL-H875U VL-H890U Wiring Side SIDE B 10-12...
  • Page 123 VL-H870U VL-H875U VL-H890U 10-4. CCD P.W.B. Component Side SIDE A Wiring Side SIDE A Wiring Side SIDE B Component Side SIDE B TL22 TL12 TL11 TL10 TL13 TL20 TL21 TL4 TL7 TL16 TL17 C8 TL15 TL14 10-13...
  • Page 124 VL-H870U VL-H875U VL-H890U 10-5. HEAD AMP P.W.B. Component Side SIDE A TL39 C1727 TL46 TL47 C1725 TL52TL51TL50 TL13 TL15 C1726 TL14 TL38 IC1701 TL53 TL54 TL7 TL10 TL55 TL49 TL24 TL23 TL40 R1704 TL42 C1730 TL37 R1701 TL12 R1711 TL48...
  • Page 125 VL-H870U VL-H875U VL-H890U Wiring Side SIDE A 10-15...
  • Page 126 VL-H870U VL-H875U VL-H890U Wiring Side SIDE B 10-16...
  • Page 127: Replacement Parts List

    Contact your nearest SHARP Parts Distributor. For IC6601 VHiLA7471M/-1 LA7471M location of SHARP Parts Distributor, IC7451 VHiCXA1211M-1 CXA1211M Call Toll-free 1-IBE800-SHARP IC8301 VHiM52374VP-1 IM52374VP in CANADA: Contact SHARP Electronics of Canada Limited TRANSISTORS Phone (416) 890-2100. Q401 VSRN1903///-1 RN1903 Q402 VSRN1903///-1 RN1903...
  • Page 128 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code Q923 VSNDS355AN/-1 NDS355AN D907 RH-EX0888CEZZ Zener, EX0888CE Q924 VS2SA1362GR-1 2SA1362GR D908 RH-EX0873CEZZ Zener, EX0873CE Q926 VS2SA2010//-1 2SA2010 D909 VHDF1J2H///-1 F1J2H Q927 VS2SA2010//-1...
  • Page 129 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code L6401 VPD9M220K2R0N Peaking 22µH C612 VCKYCY1HB332K 3300p 50V Ceramic L6601 VPCCM331K7R0N Peaking 330µH C613 VCKYTV1CB474K 0.47 16V Ceramic L7401 VPD9M1R8JR84N Peaking 1.8µH...
  • Page 130 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C814 VCKYCZ1HF103Z 0.01 50V Ceramic C1416 VCKYCZ1CB103K 0.01 16V Ceramic C815 VCKYCY0JB105K 6.3V Ceramic C1417 VCKYCY1AB474K 0.47 10V Ceramic C816 VCKYCZ1HF103Z 0.01...
  • Page 131 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C1905 VCKYCZ1HB332K 3300p 50V Ceramic C5401 VCKYTV1AB105K 10V Ceramic C1906 VCCCCZ1HH101J 100p 50V Ceramic C5402 RC-KZ0055TAZZ 10V Ceramic C1907 VCKYTV1AB105K 10V Ceramic...
  • Page 132 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C8303 VCCCCZ1HH100D 50V Ceramic R461 VRS-CZ1JF822J 8.2k 1/16W Metal Oxide AA C8304 VCCCCZ1HH100D 50V Ceramic R463 VRS-CZ1JF821J 820 1/16W Metal Oxide AA...
  • Page 133 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R731 VRS-CZ1JF104J 100k 1/16W Metal Oxide AA R845 VRS-CZ1JF823D 82k 1/16W Metal Oxide AB R732 VRS-CZ1JF183J 18k 1/16W Metal Oxide AA (VL-H890U)
  • Page 134 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R1609 VRS-CZ1JF333J 33k 1/16W Metal Oxide AA R1907 VRS-CZ1JF243D 24k 1/16W Metal Oxide R1610 VRS-CZ1JF333J 33k 1/16W Metal Oxide AA (VL-H890U) R1611 VRS-CZ1JF472J 4.7k 1/16W Metal Oxide AA...
  • Page 135 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R2910 VRS-CZ1JF104J 100k 1/16W Metal Oxide AA R6613 VRS-CZ1JF183J 18k 1/16W Metal Oxide AA R2911 VRS-CZ1JF104J 100k 1/16W Metal Oxide AA R6614...
  • Page 136 R8408 VRS-CZ1JF222J 2.2k 1/16W Metal Oxide AA CN2800 QSOCN0686TAZZ Socket(VL-H890U) R8409 VRS-CZ1JF561J 560 1/16W Metal Oxide AA CN2801 QSOCN0607REN1 Socket, 6pin (VL-H870U/ R8410 VRS-CZ1JF221J 220 1/16W Metal Oxide AA H870UA/H870UC/H870UW/H875U) R8411 VRS-CZ1JF102J 1/16W Metal Oxide AA CN2802 QSOCN0860TAZZ Socket, 8pin...
  • Page 137 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R102 VRS-CZ1JF103J 10k 1/16W Metal Oxide AA VCSATA1DJ475M 20V Tantalum R103 VRS-CZ1JF244D 240k 1/16W Metal Oxide AA VCKYCZ1HF103Z 0.01 50V Ceramic R106...
  • Page 138 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK2892QA00 CAMERA2 UNIT R222 VRS-CZ1JF000J 1/16W Metal Oxide AA R252 VRS-CZ1JF000J 1/16W Metal Oxide AA INTEGRATED CIRCUITS R254 VRS-CZ1JF000J 1/16W Metal Oxide AA...
  • Page 139 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code L342 VPD9M101J100N Peaking 100µH R321 VRS-CY1JF152J 1.5k 1/16W Metal Oxide AA L1701 VPCCM2R2MR09N Peaking 2.2µH R323 VRS-CY1JF473J 47k 1/16W Metal Oxide AA...
  • Page 140 RAMP-0017TAN1 H/A PWB — GCOVA1608TAKA Microphone Cover TLABH0584GEZZ Caution Label GCOVA1615TAKA VCR Grip Cover PSHEM0014GEZZ Counter Balance GFTAC1281TAKA VCR Lid (VL-H870U) PSHEP0013GEZZ Interruption Sheet GFTAC1284TAKA VCR Lid (VL-H875U) XAPSF17P03200 Screw M1.7x3.2 GFTAC1282TAKA VCR Lid (VL-H890U) LX-XZ3036GEFP Screw M2.0x6.0 HBDGS0059TASB LCD Badge LX-BZ3175GEFN Screw M1.7x4.0...
  • Page 141 LCD Holder PFiLW0062TAZZ Crystal (VL-H870U/H875U) VHiLZ2453A6-1 CCD Sensor LHLDZ1502TAZZ LCD Holder (VL-H890U) DUNTK2895PM00 CCD Unit — PZETV0343TAZZ LCD Fixing (VL-H870U/H875U)AA LX-HZ0013TAFF Screw (1.7 X 6) PZETV0370TAZZ LCD Fixing (VL-H890U) PSPAZ0289TAZZ Touch Panel Sheet (VL-H870U/H875U) SUPPLIED ACCESSORIES PSPAZ0290TAZZ Touch Panel Sheet (VL-H890U)
  • Page 142 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code SPAKC7420TAZZ Packing Case(VL-H870UW) — SPAKC7426TAZZ Packing Case(VL-H890UA) — SPAKC7421TAZZ Packing Case(VL-H870UC) — SPAKC7434TAZZ Packing Case(VL-H875U) — SPAKC7422TAZZ Packing Case(VL-H870UA) — SPAKF0261TAZZ AC Adapter Case —...
  • Page 143 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET EXPLODED VIEW (VL-H870U/H875U) (First Lot Use) 5-13 5-10 5-11 5-12 ` 18 , 40 Refer to Next Page. 11-17...
  • Page 144 VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET EXPLODED VIEW (VL-H870U/H875U) Change Section of Second Lot (First Lot) (Second Lot) Dis Use Part AV Unit Cover `Use Parts DC Jack Sheet AV Terminal Sheet...
  • Page 145 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET EXPLODED VIEW (VL-H890U) 5-13 5-10 5-11 5-12 11-19...
  • Page 146 VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U CASSETTE HOUSING CONTROL UNIT Ref. No. Part No. Description Code Ref. No. Part No. Description Code CAMERA UNIT EXPLODED VIEW The mark must be on the face. Lens side side Mark Face the thinner part toward the lens side.
  • Page 147: Packing Of The Set

    VL-H870U VL-H870U VL-H875U VL-H875U VL-H890U VL-H890U 12. PACKING OF THE SET Ref. No. Part No. Description Code Ref. No. Part No. Description Code UADP-0303TAZZ (VL-H870U/H870UC/H875U/ RRMCG0074TASA QCNW-1906TAZZ UBATL0011TAZZ H890U/H890UC) Remote Control A/V Cable Lithium Battery UBATU0243GEZZ UADP-0304TAZZ AA Battery x2...
  • Page 148 VL-H870U VL-H875U VL-H890U COPYRIGHT C 1999 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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