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Sharp XL-520H - User Manual

Sharp XL-520H
56 pages
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XL-520H,520E/CP-520,520E
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................ 3
NAMES OF PARTS .......................................................................................................................................................... 4
OPERATION MANUAL..................................................................................................................................................... 6
DISASSEMBLY................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS.................................................................................................... 8
ADJUSTMENT .................................................................................................................................................................. 9
BLOCK DIAGRAM .......................................................................................................................................................... 16
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................ 20
VOLTAGE ....................................................................................................................................................................... 28
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 29
TYPE OF TRANSISTOR AND LED ................................................................................................................................ 29
WAVEFORMS OF CD CIRCUIT..................................................................................................................................... 30
TROUBLESHOOTING (CD SECTION) .......................................................................................................................... 31
FUNCTION TABLE OF IC .............................................................................................................................................. 36
LCD SEGMENT .............................................................................................................................................................. 43
PACKING METHOD (XL-520E ONLY) ............................................................................................................................44
REPLACEMENT PARTS LIST/EXPLODED VIEW
XL-520H
XL-520E
CP-520
CP-520E
XL-520H and CP-520 constitute XL-520H.
XL-520E and CP-520E constitute XL-520E.
Illustration: XL-520H/CP-520
SERVICE MANUAL
SHARP CORPORATION
No. S9768XL520HE/
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.

Questions and Answers

  • K
    Kelly WoodardAug 8, 2025
    Why is my Sharp Stereo System skipping tracks or not reading the TOC?
    • S
      Sarah CampbellAug 8, 2025
      Track skipping or failure to read the Table Of Contents on your Sharp Stereo System may be due to dust or foreign matter on the laser pickup lens. Ensure that the lens is clean before attempting any adjustments. Clean the lens to resolve this.
  • C
    Christopher ToddAug 12, 2025
    How to fix a Sharp Stereo System CD that is not working?
    • A
      Andrew WalshAug 12, 2025
      If the CD function is not working on your Sharp Stereo System, it might be because the objective lens of the optical pickup is dirty. Clean the objective lens and then check if the playback operation is working.
  • B
    Beth MoranAug 16, 2025
    What to do if the spindle motor CLV servo fails in my Sharp Stereo System?
    • M
      Michelle CallahanAug 16, 2025
      If the spindle motor CLV servo fails in your Sharp Stereo System, it could be due to spindle motor failure or wire breakage. Check the periphery pins 55~64 to IC802. If these are OK, IC802 may be faulty.
  • N
    nicole18Aug 20, 2025
    What to do if my Sharp Stereo System has a HF error?
    • K
      Kimberly HunterAug 20, 2025
      If your Sharp Stereo System shows a HF error, check IC801 and the periphery of CNW802. If those are OK, the optical pickup may be faulty.
  • L
    Laurie JamesAug 26, 2025
    What to do if the sled motor operation fails on my Sharp Stereo System?
    • M
      Matthew WilkinsonAug 26, 2025
      If the sled motor operation fails on your Sharp Stereo System, check the pattern between pin 27 of IC801 and pin 36 of IC802. Also, check the connection of peripheral parts of IC801. If these are OK, IC801 may be faulty.
  • D
    Dominic BentleyAug 29, 2025
    What to do if my Sharp Stereo System has a laser lighting failure?
    • R
      Rachel GoodmanAug 29, 2025
      If your Sharp Stereo System experiences a laser lighting failure, check the PWB pattern between IC701 and IC802 (BUCK/CCE/ BUS0~3). Also, check CNW802; if it's normal, the optical pickup is likely faulty.
  • M
    Matthew WeberSep 2, 2025
    What to do if the focus servo sawtooth wave is not outputting on my Sharp Stereo System?
    • J
      jessicaleonardSep 2, 2025
      If the focus servo sawtooth wave is not outputting on your Sharp Stereo System, check the pattern between pin 20 of IC801 and Q861.

Sharp XL-520H Specifications

General IconGeneral
BrandSharp
ModelXL-520H
CategoryMedia Player
LanguageEnglish

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