Kurzweil pc3 x service manual
This is the 104 pages manual for kurzweil pc3 x service manual.
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Extracted text from kurzweil pc3 x service manual (Ocr-read)
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ii IMPOR TANT SAFETY & INST ALLA TION INSTR UCTIONS INSTR UCTIONS PER TAINING TO THE RISK OF FIRE, ELECTRIC SHOCK, OR INJUR Y TO PERSONS WARNING: When using electr ic products , basic precautions should alw ays be f ollo wed, including the f ollo wing: 1. Read all of the Saf ety and Installation Instr uctions and Explanation of Gr aphic Symbols bef ore using the product. 2. This product must be grounded. If it should malfunction or break down, grounding pro vides a path of least resistance for electr ic current to reduce the risk of electr ic shoc k. This product is equipped with a power supply cord having an equipment-g rounding conductor and a grounding plug. The plug must be plugged into an appropr iate outlet which is proper ly installed and grounded in accordance with all local codes and ordinances . DANGER: Improper connection of the equipment-g rounding conductor can result in a risk of electr ic shoc k. Do not modify the plug pro vided with the product - if it will not fit the outlet, have a proper outlet installed by a quali fied electr ician. Do not use an adaptor which def eats the function of the equipment-g rounding conductor . If you are in doubt as to whether the product is proper ly grounded, chec k with a quali fied ser viceman or electr ician. 3. WARNING: This product is equipped with an AC input voltage selector . The voltage selector has been factor y set for the mains supply voltage in the countr y where this unit was sold. Changing the voltage selector ma y require the use of a diff erent power supply cord or attachment plug, or both. To reduce the risk of fire or electr ic shoc k, ref er ser vicing to quali fied maintenance personnel. 4. Do not use this product near water - for example , near a bathtub , washbo wl, kitchen sink, in a wet basement, or near a swimming pool, or the lik e. 5. This product should be used only with a stand or car t that is recommended b y the man ufacturer . 6. This product, either alone or in combination with an ampli fier and speak ers or headphones , ma y be capab le of producing sound levels that could cause per manent hear ing loss . Do not oper ate for a long per iod of time at a high volume level or at a level that is uncomf ortab le. If you exper ience any hear ing loss or ringing in the ears , you should consult an audiologist. 7. The product should be located so that its location or position does not interf ere with its proper v entilation. 8. The product should be located away from heat sources such as radiators , heat registers , or other products that produce heat. 9. The product should be connected to a power supply only of the type descr ibed in the oper ating instr uctions or as mar ked on the product. 10. This product ma y be equipped with a polar ized line plug (one blade wider than the other). This is a saf ety feature . If you are unab le to inser t the plug into the outlet, contact an electr ician to replace your obsolete outlet. Do not def eat the saf ety pur pose of the plug. 11. The power supply cord of the product should be unplugged from the outlet when left unused for a long per iod of time . When unplugging the power supply cord, do not pull on the cord, but grasp it by the plug. 12. Care should be tak en so that objects do not f all and liquids are not spilled into the enclosure through openings . 13. The product should be ser viced by quali fied ser vice personnel when: A. The po wer supply cord or the plug has been damaged; B. Objects have fallen onto , or liquid has been spilled into the product; C. The product has been e xposed to r ain; D. The product does not appear to be oper ating nor mally or exhibits a mar ked change in perf ormance; E. The product has been dropped, or the enclosure damaged. 14. Do not attempt to ser vice the product beyond that descr ibed in the user maintenance instr uctions . All other ser vicing should be referred to quali fied ser vice personnel. 15. WARNING: Do not place objects on the product s power supply cord, or place the product in a position where anyone could trip over, walk on, or roll anything over cords of any type . Do not allo w the product to rest on or be installed over cords of any type . Improper installations of this type create the possibility of a fire hazard and/or personal injur y. RADIO AND TELEVISION INTERFERENCE WARNING: Changes or modi fications to this instr ument not expressly appro ved by Young Chang could void your author ity to oper ate the instr ument. IMPOR TANT : When connecting this product to accessor ies and/or other equipment use only high quality shielded cab les . NO TE: This instr ument has been tested and found to comply with the limits for a Class B digital device , pursuant to Part 15 of the FCC Rules . These limits are designed to pro vide reasonab le protection against har mful interf erence in a residential installation. This instr ument gener ates , uses , and can radiate radio frequency energy and, if not installed and used in accordance with the instr uctions , ma y cause har mful interf erence to radio comm unications . Ho wever, there is no guar antee that interf erence will not occur in a par ticular installation. If this instr ument does cause har mful interf erence to radio or tele vision reception, which can be deter mined by turning the instr ument off and on, the user is encour aged to try to correct the interf erence by one or more of the f ollo wing measures: - Reor ient or relocate the receiving antenna. - Increase the separ ation betw een the instr ument and the receiv er. - Connect the instr ument into an outlet on a circuit other than the one to which the receiv er is connected. - If necessar y consult y our dealer or an e xper ienced r adio/tele vision technician f or additional suggestions . NO TICE This appar atus does not exceed the Class B limits for radio noise emissions from digital appar atus set out in the Radio Interf erence Regulations of the Canadian Depar tment of Comm unications . AVIS Le present appareil numer ique nemet pas de bruits radioelectr iques depassant les limites applicab les aux appareils numer iques de la class B prescr ites dans le Reglement sur le brouillage radioelectr ique edicte par le ministere des Comm unications du Canada. SA VE THESE INSTR UCTIONS The lightning flash with the arrowhead symbol,within an equilateral triangle, is intended to alertthe user to the presence of uninsulated"dangerous voltage" within the product'senclosure that may be of suf ficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateraltriangle is intended to alert the user to thepresence of important operating andmaintenance (servicing) instructions in theliterature accompanying the product. CAUTIONRISK OF ELECTRIC SHOCK DO NOT OPEN REFER SER VICING TO QUALIFIED SER VICE PERSONNEL NO USER SER VICEABLE P ARTS INSIDE DO NOT REMOVE THE COVER CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
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iii Impor tant Saf ety Instructions 1. Read these instr uctions. 2. Keep these instr uctions. 3. Heed all warnings. 4. Follow all instr uctions. 5. Do not use this apparatus near water . 6. Clean only with dry cloth. 7. Do not block any of the ventilation openings. Install in accor dance with the manufactur ers instr uctions. 8. Do not install near any heat sour ces such as radiators, heat r egisters, stoves, or other apparatus (including ampli fiers) that pr oduce heat. 9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other . A gr ounding type plug has two blades and a thir d grounding pr ong. The wide blade or the thir d pr ong ar e pr ovided for your safety . If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. 10. Protect the power cor d fr om being walked on or pinched, particularly at plugs, convenience receptacles, and the point wher e they exit fr om the apparatus. 11. Only use attachments/accessories speci fied by the manufactur er. 12. Use only with a cart, stand, tripod, bracket, or table speci fied by the manufactur er, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury fr om tip-over . 13. Unplug this apparatus during lightning storms or when unused for long periods of time. 14. CAUTION: Danger of explosion if battery is incorr ectly replaced. Replace only with the same or equivalent type (CR2032). 15. Refer all servicing to quali fied service personnel. Servicing is r equir ed when the apparatus has been damaged in any way , such as power supply cor d or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moistur e, does not operate normally , or has been dr opped. Warning - To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moistur e. Do not expose this equipment to dripping or splashing and ensur e that no objects filled with liquids, such as vases, ar e placed on the equipment. To completely disconnect this equipment fr om the AC Mains, disconnect the power supply cor d plug from the AC r eceptacle.