JVC XV-521BK free download

File name XV-521BK.pdf

Important Information 1. Main adjustment 2. Check point for each error 3. IC701 (M101C12GHA) For the above 3 items, a supplementary edition will be issued in early July. XV-521BK/523GD XV-525BK/421BK SERVICE MANUAL DVD PLAYER XV-521BK/523GD XV-525BK/421BK J Area Suffix XV-421BK U.S.A Area Suffix XV-525BK/523GD J U.S.A Area Suffix XV-521BK C Canada Contents Safety precautions Importance administering point on the safety Dismantling and assembling the traverse unit 1-2 1-3 1-4 Disassembly method Precautions for service Description of major ICs 1-5 1-15 1-16 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. No.20836 Jun. 2000 XV-521BK/523GD/525BK/421BK Safety Precautions 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only. 2. Alterations of the design or circuitry of the product should not be made. Any design alterations of the product should not be made. Any design alterations or additions will void the manufacturer`s warranty and will further relieve the manufacture of responsibility for personal injury or property damage resulting therefrom. 3. Many electrical and mechanical parts in the products have special safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the Parts List of Service Manual. Electrical components having such features are identified by shading on the schematics and by ( ) on the Parts List in the Service Manual. The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or other hazards. 4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of electric shock and fire hazard. When service is required, the original lead routing and dress should be observed, and it should be confirmed that they have been returned to normal, after re-assembling. 5. Leakage currnet check (Electrical shock hazard testing) After re-assembling the product, always perform an isolation check on the exposed metal parts of the product (antenna terminals, knobs, metal cabinet, screw heads, headphone jack, control shafts, etc.) to be sure the product is safe to operate without danger of electrical shock. Do not use a line isolation transformer during this check. Plug the AC line cord direct