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Sharp VL-E780U Service Manual
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Sharp VL-E780U Service Manual

Sharp VL-E780U Service Manual

Liquid crystal camcorder
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In this Service Manual, only the differences from VL-E760U/765U are described.
Therefore, for the parts which are not described in this Service Manual, refer
to the Service Manual for VL-E760U/765U (S38N2VL-E760U).
2. SPECIFICATIONS .............................................................................................................................. 2
4. DISASSEMBLY OF THE SET ............................................................................................................. 3
5. MECHANISM ADJUSTMENT ............................................................................................................. 4
6. ADJUSTMENT OF VCR ...................................................................................................................... 4
8. SCHEMATIC DIAGRAMS .................................................................................................................. 8
11.REPLACEMENT PARTS LIST ......................................................................................................... 29
12.PACKING OF THE SET ................................................................................................................... 35
SHARP CORPORATION
SERVICE MANUAL
LIQUID CRYSTAL 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
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
1
SY8A8VL-E780U
8
VL-E780U
VL-E785U
VL-E785T
Page
VL-E780U
VL-E780U
VL-E785U
VL-E785U
VL-E785T
VL-E785T
NTSC

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Summary of Contents for Sharp VL-E780U

  • Page 1: Table Of Contents

    VL-E780U VL-E780U VL-E785U VL-E785U VL-E785T VL-E785T SERVICE MANUAL SY8A8VL-E780U LIQUID CRYSTAL CAMCORDER NTSC VL-E780U VL-E785U VL-E785T 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

    *Minimum illumination: Since there is no widely accepted testing procedure for determining minimum illumina- tion capability, lux ratings are comparable only between models from the same For the location of the nearest Sharp Authorized Service, or to obtain product literature, accessories, manufacturer.

  • Page 3: Disassembly Of The Set

    VL-E780U VL-E785U VL-E785T 4. DISASSEMBLY OF THE SET Area A 4-2. Disassembly of the VCR main body 1. Removal of the VCR lid shaft (1)Remove one screw ((j)LX-HZ0063TAFC). 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 4: Mechanism Adjustment

    VL-E780U VL-E785U VL-E785T 5. MECHANISM ADJUSTMENT 5-2. Items and timings of inspection and maintenance 5-2-1. Inspection and maintenance list Usage time (hrs.) Possible symptom Checking/Maintenance point Remarks 1,000 1,500 2,000 3,000 encountered • Lateral noise Rollers Tape travelling route • Unclean head •...
  • Page 5 VL-E780U VL-E785U VL-E785T 3. Adjustment of playback Y level Measuring instrument Oscilloscope Mode Playback signal Color bar (JiGWR5-5NSP) 500±20mVp-p Measuring point TL801 Adjustment address 27 500 Vp-p ± 20 mVp-p Adjustment level 5. Adjustment of Y-FM deviation Measuring instrument Oscilloscope...
  • Page 6 VL-E780U VL-E785U VL-E785T 6-2-2. Adjustment procedures 6-2-2-2. Auto focus adjustment Measuring instrument None Subject — Tape — Test point None Adjustment address Adjustment level 09, 0A, 0B ` Preparation for 6-2-2-3~6-2-2-9, setup the camera signal adjustment mode. (Write 00 to the address 1FE.) 6-2-2-3.
  • Page 7 VL-E780U VL-E785U VL-E785T - M E M O -...

  • Page 8: Schematic Diagrams

    VL-E780U VL-E785U VL-E785T 8. SCHEMATIC DIAGRAMS 8-2. POWER CIRCUIT SCHEMATIC DIAGRAM...
  • Page 9 VL-E780U VL-E785U VL-E785T å AND SHADED COMPONENTS=SAFETY RELATED PARTS...
  • Page 10 VL-E780U VL-E785U VL-E785T...
  • Page 11 VL-E780U VL-E785U VL-E785T...
  • Page 12 VL-E780U VL-E785U VL-E785T 8-3. AUDIO CIRCUIT SCHEMATIC DIAGRAM...
  • Page 13 VL-E780U VL-E785U VL-E785T 8-4. MOTOR DRIVER SCHEMATIC DIAGRAM...
  • Page 14 VL-E780U VL-E785U VL-E785T 8-5. LCD DISPLAY CIRCUIT SCHEMATIC DIAGRAM...
  • Page 15 VL-E780U VL-E785U VL-E785T...
  • Page 16 VL-E780U VL-E785U VL-E785T...
  • Page 17 VL-E780U VL-E785U VL-E785T...
  • Page 18 VL-E780U VL-E785U VL-E785T 8-6. RF CIRCUIT SCHEMATIC DIAGRAM...
  • Page 19 VL-E780U VL-E785U VL-E785T...
  • Page 20 VL-E780U VL-E785U VL-E785T 8-7. SYSTEM CONTROL CIRCUIT SCHEMATIC DIAGRAM...
  • Page 21 VL-E780U VL-E785U VL-E785T...
  • Page 22 VL-E780U VL-E785U VL-E785T...
  • Page 23 VL-E780U VL-E785U VL-E785T...
  • Page 24 VL-E780U VL-E785U VL-E785T 8-9. Y/C CIRCUIT SCHEMATIC DIAGRAM...
  • Page 25 VL-E780U VL-E785U VL-E785T...
  • Page 26 VL-E780U VL-E785U VL-E785T...
  • Page 27 VL-E780U VL-E785U VL-E785T...
  • Page 28 VL-E780U VL-E785U VL-E785T 8-10. D/A CIRCUIT SCHEMATIC DIAGRAM...

  • Page 29: Replacement Parts List

    Contact your nearest SHARP Parts Distributor. For location of SHARP Parts Distributor, Call Toll-free 1-IBE800-SHARP MARK : SPARE PARTS-DELIVERY SECTION:ALL JAPAN in CANADA: Contact SHARP Electronics of Canada Limited Phone (416) 890-2100. To have your order filled promptly and correctly, please furnish the following informations.
  • Page 30 VL-E780U VL-E785U VL-E785T MECHANISM CHASSIS EXPLODED VIEW Ref. No. Part No. Description Code Ref. No. Part No. Description Code...
  • Page 31 Lower Drum Ass'y TiNS-6013TAZZ Operation Manual RMOTP1137GEZZ J Drum Motor (VL-E785T) PSPAQ0010GEZZ J Gap Adjusting Shim UBATM0010TAZZ J Battery (VL-E780U/785U) BC NRTR-0096GEZZ J R Tr Rotor Ass'y UBATM0011TAZZ J Battery (VL-E785T) MSPRC0209GEZZ J Gr Adjusting Spring UADP-0274TAZZ J AC Adapter —...
  • Page 32 VL-E780U VL-E785U VL-E785T Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET EXPLODED VIEW 6-16 6-14 6-13 6-12 6-10 6-15 6-11...
  • Page 33 V Frame Service TLABG0118TAZZ J Tax Paying Label (VL-E785T) PSPAG0095TAZZ J VCR Lid Cushion (VL-E785T) TLABH0355TAZZ J Lithium Exchange Label TLABN0174TAZZ J Serial No. Label(VL-E780U)AC TLABN0175TAZZ J Serial No. Label (VL-E780U/785U) (VL-E785U) TLABH0259TAZZ J Lithium Exchange Label (VL-E785T) CLNSA0127TA01 J Lens Unit...
  • Page 34 VL-E780U VL-E785U VL-E785T Ref. No. Part No. Description Code Ref. No. Part No. Description Code CASSETTE HOUSING PARTS CHLDX3077GE01 J Cassette Compartment Assy MSPRT0414GEZZ J Up Main Spring MROD-0014GEFJ J Damper rod PDMP-0013GEZZ J Cassette Compartment Damper —— End of Cassette Housing Parts ——...

  • Page 35: Packing Of The Set

    VL-E780U VL-E785U VL-E785T 12. PACKING OF THE SET Ref. No. Part No. Description Code Ref. No. Part No. Description Code UADP-0274TAZZ GCOVH1225TASA (VL-E780U/E785U) (Lens Cap) UADP-0275TAZZ(VL-E785T) (AC Adapter) QCNW-1338TA00 (DC Cable) UBATU0023GEZZ (Battery (AA x 2)) UBATM0010TAZZ UBNDS0010TASA Fold (VL-E780U/E785U)
  • Page 36 Code Ref. No. Part No. Description Code COPYRIGHT C 1998 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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