LC-37SH20U S36S1LC37SH20 LCD COLOR TELEVISION LC-37SH20U MODEL In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used. OUTLINE This model is based on the LC-37D40U and partially modified.
LC-37SH20U LIST OF CHANGED PARTS Ref. No. Description LC-37D40U LC-37SH20U Note PRINTED WIRING BOARD ASSEMBLIES MAIN Unit DUNTKD640FM06 DUNTKD640FM08 Some parts change R/C,LED Unit DUNTKD641FM06 DUNTKD641FM08 Some parts change IF Unit DUNTKD643FM06 DUNTKD643FM08 Some parts change KEY Unit DUNTKD716FM06 DUNTKD716FM08...
LC-37SH20U IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thor- oughly familiar with all safety checks and the servicing guidelines which follow: • Use an AC voltmeter having with 5000 ohm per volt, or...
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LC-37SH20U PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ë La réparation ne peut être effectuée que par un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT conduite électrique ou une prise de terre branchée à la terre.
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LC-37SH20U Precautions for using lead-free solder 1 Employing lead-free solder "All PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.
* Emergency alert messages via Cable are unreceivable. • As part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specification figures indicated are nominal values of production units.
LC-37SH20U REMOVING OF MAJOR PARTS 1. Remove the stand fixing screws (4 pcs.). 2. Remove the terminal screws (6 pcs.). 3. Remove the cabinet B fixing screws (9 pcs.). 4. Remove the cabinet B after opening from the direction of an arrow.
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LC-37SH20U 5. Remove the 6 lock screws from the right and left center angles and take out both center angles. 6. Remove the stand cover fixing screws (3 pcs.). 7. Remove the stand assist angle fixing screws (2 pcs.). 8. Remove the stand fixing angle fixing screws (4 pcs.).
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LC-37SH20U 11. Remove the PWB unit ass’y fixing screws (4 pcs.). 12. Remove the top cover ass’y. 13. Remove the key PWB fixing screws (3 pcs.). 14. Remove the 8 lock screws from the right and left speakers and take out both speakers.
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LC-37SH20U 16. Remove the SD card cover and terminal angle fixing screws (4 pcs.). 17. Remove the power PWB fixing screws (6 pcs.). 18. Remove the IF PWB fixing screws (4 pcs.). 19. Remove the heat sink and main PWB fixing screws (4 pcs.).
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LC-37SH20U 20. Remove the center assist angle fixing screws (2 pcs.). 21. Remove the 6 lock screws from the right and left corner angles(top) and take out both center angles(top). 22. Remove the 8 lock screws from the right and left corner angles(bottom) and take out both corner angles(bottom).
LC-37SH20U DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. The voltages at test points are measured on the stable supply voltage of AC 120V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.
2. NO. DE REF 3. NO. DE PIECE 4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. For in CANADA: Contact SHARP Electronics of Canada Limited location of SHARP Parts Distributor, Please call Toll-Free; Phone (416) 890-2100...
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LC-37SH20U CABINET AND MECHANICAL PARTS 46 43 4-2-1 4-2-2 4-2-3 4-2-3 4-2-2 4-2-3 4-2-2 4-2-3 4-2-2...
LC-37SH20U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS SUPPLIED ACCESSORIES (Continued) LBSHZA005WJZZ X Bush, x2 LHLDW0110CESD X Cable Clamp, x1 LCHSMA286WJFW X Chassis Frame LHLDWA083WJ00 X Cable Tie, x1 LHLDW1173CEZZ X Wire Holder, x3 QACCDA039WJPZ X AC Cord å...