Sharp VL-H860U Service Manual
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Sharp VL-H860U Service Manual

Liquid crystal camcorder
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VL-H870U
VL-H875U
VL-H890U
In this Service Manual, only the differences from VL-H870U/H875U/H890U
(S29C4VL-H870U) are described.
Therefore, for the Mechanism parts which are not described in this Service
Manual, refer to the Service Manual for VL-H870U/H875U/H890U (S29C4VL-
H870U).
1. IMPORTANT SERVICE NOTES ........................................................................................................ 2
2. SPECIFICATIONS .............................................................................................................................. 4
3. PART NAMES AND FUNCTION ......................................................................................................... 5
4. DISASSEMBLY OF THE SET ............................................................................................................. 6
6. ADJUSTMENT OF VCR AND CAMERA ............................................................................................. 6
7. SYSTEM BLOCK DIAGRAMS ............................................................................................................ 8
8. SCHEMATIC DIAGRAMS ................................................................................................................. 16
10.PRINTED WIRING BOARD ASSEMBLIES ...................................................................................... 56
11.REPLACEMENT PARTS LIST .......................................................................................................... 69
12.PACKING OF THE SET .................................................................................................................... 87
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.
1
S39F1VL-H860U
8
VL-H860U
VL-H880U
Page
VL-H860U
VL-H860U
VL-H880U
VL-H880U
NTSC

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  • Page 1: Table Of Contents

    VL-H870U VL-H860U VL-H860U VL-H875U VL-H880U VL-H880U VL-H890U SERVICE MANUAL S39F1VL-H860U LIQUID CRYSTAL CAMCORDER Hi NTSC VL-H860U VL-H880U 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-H860U VL-H875U VL-H880U 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-H860U VL-H875U VL-H880U 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 For continued protection against fire haz- CAUTION: TO REDUCE THE RISK OF ELECTRIC ard, replace only with same type fuse.

  • Page 4: 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 5: Part Names And Function

    VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U 3. PART NAMES AND FUNCTION For details on the use of each control.

  • Page 6: Disassembly Of The Set

    VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U 4. DISASSEMBLY OF THE SET 4-1. DISASSEMBLY OF THE VCR PARTS <8. Removal of LCD Unit> (C) LCD Panel (D) LCD Holder A (F) Prism Sheet (G) Diffusion Sheet (H) Light Guide Plate (I) Reflection Polarizing Sheet...
  • Page 7 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U MECHA UNIT CAMERA UNIT UNIT UNIT INVERTER 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 5.0V to 9V). 2) Set the CAM/OFF/VCR SW to CAM to switch to the camera mode.

  • Page 8: System Block Diagrams

    VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U 7. SYSTEM BLOCK DIAGRAMS 7-1. VCR SECTION BLOCK DIAGRAM Y/C recording signal frow SC902 IC1401 IC401 IC7451 CN7401 Signal waveform (2), (6), (7), (8), (9) (10), (11) (1), (3) (4), (5) Y SIGNAL : C SIGNAL :...
  • Page 9 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U 7-2. VCR SECTION BLOCK DIAGRAM Y/C playback signal frow CN7401 IC8301 IC401 IC1401 SC601 Signal waveform (1), (2), (9) (4), (5), (6), (7) (10), (11), (12), (13), (14) (8) Y SIGNAL : C SIGNAL :...
  • Page 10 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U 7-3. VCR SECTION BLOCK DIAGRAM Y/C EE signal frow IC1401 IC800 CN1800 IC401 SC902 SC601 Signal waveform (2), (7), (8), (9), (10), (12) (1), (3), (4), (5), (11), (13) (16) (15) (14) Y SIGNAL :...
  • Page 11 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U 7-4. AUDIO BLOCK DIAGRAM IC6601 LA7471M SC601 EXT-MiC_L_IN EXT-MiC_R_IN AUDIO GND AUDIO-R in/out AUDIO GND AUDIO-L in/out INT MIC RMiCC0086TA P6601 INT MIC R MIC GND INT MIC L SPEAKER VSP0028-50WN P201 IC1602 BA7785FS SC902...
  • Page 12 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U 7-5. HEAD AMP BLOCK DIAGRAM...
  • Page 13 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U 7-6. POWER SYSTEM BLOCK DIAGRAM Lithium ion 2 cell P-CON 4.9V Power control IC (VHiMB3825,6·CH) 4.9V Power CAM 4.9V CH1 output CH1 ERROR AMP. Valtage drop circuit Drive circuit IN- Comparator section (PNP Tr) (Voltage drop) P-CON 3.3V...
  • Page 14 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U 7-7. MAIN BATTERY CIRCUIT SECTION BLOCK DIAGRAM...
  • Page 15 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U - M E M O -...

  • Page 16: Schematic Diagrams

    VL-H860U VL-H880U 8. SCHEMATIC DIAGRAMS 8-1. OVERALL SCHEMATIC DIAGRAM LOCATION MAP: (1/4)
  • Page 17 VL-H860U VL-H880U LOCATION MAP: (2/4)
  • Page 18 VL-H860U VL-H880U LOCATION MAP: (3/4)
  • Page 19 VL-H860U VL-H880U LOCATION MAP: (4/4)
  • Page 20 VL-H860U VL-H880U 8-2. AUDIO CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4)
  • Page 21 VL-H860U VL-H880U LOCATION MAP: (2/4)
  • Page 22 VL-H860U VL-H880U LOCATION MAP: (3/4)
  • Page 23 VL-H860U VL-H880U LOCATION MAP: (4/4)
  • Page 24 VL-H860U VL-H880U 8-4. CHARGE CIRCUIT SCHEMATIC DIAGRAM...
  • Page 25 VL-H860U VL-H880U å AND SHADED COMPONENTS=SAFETY RELATED PARTS å å...
  • Page 26 VL-H860U VL-H880U 8-5. YCPROCESS CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4)
  • Page 27 VL-H860U VL-H880U LOCATION MAP: (2/4)
  • Page 28 VL-H860U VL-H880U LOCATION MAP: (3/4)
  • Page 29 VL-H860U VL-H880U LOCATION MAP: (4/4)
  • Page 30 VL-H860U VL-H880U 8-6. YCCCD DELAY CIRCUIT SCHEMATIC DIAGRAM...
  • Page 31 VL-H860U VL-H880U...
  • Page 32 VL-H860U VL-H880U 8-7. YCRF CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4)
  • Page 33 VL-H860U VL-H880U LOCATION MAP: (2/4)
  • Page 34 VL-H860U VL-H880U LOCATION MAP: (3/4)
  • Page 35 VL-H860U VL-H880U LOCATION MAP: (4/4)
  • Page 36 VL-H860U VL-H880U 8-8. POWER CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS LOCATION MAP: (1/4)
  • Page 37 VL-H860U VL-H880U LOCATION MAP: (2/4)
  • Page 38 VL-H860U VL-H880U LOCATION MAP: (3/4)
  • Page 39 VL-H860U VL-H880U LOCATION MAP: (4/4)
  • Page 40 VL-H860U VL-H880U 8-11. SYSTEM D/A CONVERTER CIRCUIT SCHEMATIC DIAGRAM...
  • Page 41 VL-H860U VL-H880U...
  • Page 42 VL-H860U VL-H880U 8-13. CDS/ADC CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4)
  • Page 43 VL-H860U VL-H880U LOCATION MAP: (2/4)
  • Page 44 VL-H860U VL-H880U LOCATION MAP: (3/4)
  • Page 45 VL-H860U VL-H880U LOCATION MAP: (4/4)
  • Page 46 VL-H860U VL-H880U 8-14. CMC CIRCUIT SCHEMATIC DIAGRAM LOCATION MAP: (1/4)
  • Page 47 VL-H860U VL-H880U LOCATION MAP: (2/4)
  • Page 48 VL-H860U VL-H880U LOCATION MAP: (3/4)
  • Page 49 VL-H860U VL-H880U LOCATION MAP: (4/4)
  • Page 50 VL-H860U VL-H880U 8-15. LENS DRIVE CIRCUIT SCHEMATIC DIAGRAM...
  • Page 51 VL-H860U VL-H880U...
  • Page 52 VL-H860U VL-H880U 8-16. TG CIRCUIT SCHEMATIC DIAGRAM...
  • Page 53 VL-H860U VL-H880U...
  • Page 54 VL-H860U VL-H880U 8-18. ZOOM CIRCUIT SCHEMATIC DIAGRAM...
  • Page 55 VL-H860U VL-H880U...

  • Page 56: Printed Wiring Board Assemblies

    VL-H860U VL-H880U 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 Q2401...
  • Page 57 VL-H860U VL-H880U Wiring Side SIDE A...
  • Page 58 VL-H860U VL-H880U Component Side SIDE B P2901 CN2801 CN2800 P7401 IC401 L920 L923 IC704 X701 IC1800 IC4702 IC6601 CN1800 SC901 IC4701 CN2802 P6601...
  • Page 59 VL-H860U VL-H880U Wiring Side SIDE B...
  • Page 60 VL-H860U VL-H880U 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 TL507...
  • Page 61 VL-H860U VL-H880U Wiring Side SIDE A...
  • Page 62 VL-H860U VL-H880U Component Side SIDE B C569 L551 L552 IC551 IC501 IC503 CF501 C565 D501...
  • Page 63 VL-H860U VL-H880U Wiring Side SIDE B...
  • Page 64 VL-H860U VL-H880U 10-3. CAMERA2 P.W.B. Component Side SIDE A TL241 TL217 TL219 T L202 TL244 TL243 TL205 TL245 C228 C229 IC201 TL272 TL251 L207 TL201 L202 C208 TL252 C222 C220 C217 C218 C223 R220 R216 C221 R219 C219 Q201 R202...
  • Page 65 VL-H860U VL-H880U Wiring Side SIDE A...
  • Page 66 VL-H860U VL-H880U 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...
  • Page 67 VL-H860U VL-H880U Wiring Side SIDE B...
  • Page 68 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code - M E M O -...

  • Page 69: Replacement Parts List

    SHARP Parts Distributor, Control IC Call Toll-free 1-IBE800-SHARP IC3701 VHiBU2092FV-1 BU2092FV IC3702 VHiBU2092FV-1 BU2092FV in CANADA: Contact SHARP Electronics of Canada Limited IC4401 VHiCXL5516N-1 CXL5516N, CCD Delay Line AK Phone (416) 890-2100. IC4701 VHiMB88344F-1 MB88344F, D/A Converter AV IC4702 VHiMB8346BV-1...
  • Page 70 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code Q909 VSNDS355AN/-1 NDS355AN DIODES Q910 VS2SA1362GR-1 2SA1362GR D601 VHDMA2S111/-1 MA2S111 Q911 VSRN4983///-1 RN4983 D701 VHD1SS355//-1 1SS355 Q912 VS2SA1362GR-1 2SA1362GR D702 RH-DX0182TAZZ DX0182TA Q914...
  • Page 71 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code L1802 VPD9M150J2R2N Peaking, 15µH(H880U) C455 VCCCCY1HH331J 330p 50V Ceramic L1802 VPD9M220J2R7N Peaking, 22µH(H860U/ C456 VCCCCY1HH391J 390p 50V Ceramic H860UA/H860UC/H860UW) C458 VCCCCZ1HH101J 100p 50V Ceramic...
  • Page 72 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C808 VCKYCZ1HF103Z 0.01 50V Ceramic C1410 VCKYCY1AB474K 0.47 10V Ceramic C809 VCKYCY1CF104Z 16V Ceramic C1411 RC-KZ0055TAZZ Capacitor C810 VCKYCY0JB105K 6.3V Ceramic C1412 VCSATA1AJ106M...
  • Page 73 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C1832 VCKYCY1CF104Z 16V Ceramic C4701 VCKYCY1CF104Z 16V Ceramic C1840 VCKYTV1EB104K 25V Ceramic C4702 VCKYCY1CF104Z 16V Ceramic C1901 VCKYCZ1HB102K 1000p 50V Ceramic C4703 VCKYCY1CF104Z...
  • Page 74 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C7462 VCKYCZ1CB103K 0.01 16V Ceramic R451 VRS-CZ1JF102J 1/16W Metal Oxide AA C7463 VCCCCZ1HH101J 100p 50V Ceramic R455 VRS-CZ1JF000J 1/16W Metal Oxide AA C7464...
  • Page 75 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R842 VRS-CZ1JF105J 1/16W Metal Oxide AA R727 VRS-CZ1JF104J 100k 1/16W Metal Oxide AA R845 VRS-CZ1JF823D 82k 1/16W Metal Oxide AB R728 VRS-CZ1JF104J 100k 1/16W Metal Oxide AA...
  • Page 76 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R1606 VRS-CZ1JF183J 18k 1/16W Metal Oxide AA R1908 VRS-CZ1JF682J 6.8k 1/16W Metal Oxide AA R1607 VRS-CZ1JF183J 18k 1/16W Metal Oxide AA R1909 VRS-CZ1JF103J...
  • Page 77 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R2910 VRS-CZ1JF104J 100k 1/16W Metal Oxide AA R6609 VRS-CZ1JF333J 33k 1/16W Metal Oxide AA R2911 VRS-CZ1JF104J 100k 1/16W Metal Oxide AA R6610 VRS-CZ1JF332D 3.3k 1/16W Metal Oxide AA...
  • Page 78 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R8370 VRS-CZ1JF000J 1/16W Metal Oxide AA R9457 VRS-CZ1JF000J 1/16W Metal Oxide AA R8374 VRS-CZ1JF000J 1/16W Metal Oxide AA R9458 VRS-CZ1JF105J 1/16W Metal Oxide AA...
  • Page 79 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code VRS-CZ1JF000J 1/16W Metal Oxide AA L501 VPBWM100KR50N Peaking, 10µH VRS-CZ1JF105J 1/16W Metal Oxide AA L551 VPBWM220K1R2N Peaking, 22µH VRS-CZ1JF222J 2.2k 1/16W Metal Oxide AA...
  • Page 80 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R214 VRS-CZ1JF471J 470 1/16W Metal Oxide AA MISCELLANEOUS PARTS R216 VRS-CZ1JF822J 8.2k 1/16W Metal Oxide AA QSOCN1986TAZZ Socket, 19Pin R217 VRS-CZ1JF471J 470 1/16W Metal Oxide AA...
  • Page 81 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C344 VCKYCY1CF104Z 16V Ceramic SC302 QSOCN1886TAZZ Connector, 18pin C345 VCKYCY1HF103Z 0.01 50V Ceramic SC303 QSOCN1560TAZZ Connector, 15pin C346 VCKYCY1HB102K 1000p 50V Ceramic SC304...
  • Page 82 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET PARTS LIST PSPAZ0189TAZZ Rotation Spacer PSPAZ0277TA00 Tilt Spacer DCABA6204TAK1 V Cabinet Service QPWBH2896TAZZ Tilt FPC PSPAG0095TAZZ Cushion QSW-Z0324TAZZ Eject/Turn Unit DCABB6204TAK1 L Cabinet Service(H860U) AT...
  • Page 83 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code SUPPLIED ACCESSORIES ACCESSORIES GCOVH1244TASA Lens Cap å QACCB0016TAZZ AC Cord(H860UW) å QACCK0002TAZZ AC Cord(H860UA) QCNW-1906TAZZ A/V Cable QPLGA0010GEZZ AC Plug(H860UA) RRMCG0074TASA Remote Control...
  • Page 84 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET EXPLODED VIEW (VL-H860U) 5-13 5-10 5-11 5-12...
  • Page 85 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET EXPLODED VIEW (VL-H880U) 5-13 5-10 5-11 5-12...
  • Page 86 VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U 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 87: Packing Of The Set

    VL-H870U VL-H860U VL-H875U VL-H880U VL-H890U Ref. No. Part No. Description Code Ref. No. Part No. Description Code 12. PACKING OF THE SET RRMCG0074TASA QCNW-1906TAZZ UBATL0011TAZZ UADP-0303TAZZ Remote Control A/V Cable Lithium Battery (VL-H860U/H860UC/H880U) UBATU0243GEZZ UADP-0304TAZZ AA Battery x2 (VL-H860UA/H860UW) AC Adapter...
  • Page 88 Code Ref. No. Part No. Description Code 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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