JVC CD RV-B550BU free download

File name 20826c.pdf

RV-B550BU SERVICE MANUAL CD PORTABLE SYSTEM RV-B550BU Supplement CLOCK TIMER TIMER ON/OFF SLEEP DOWN UP SET PROGRAM RANDOM AUTO PRESET REPEAT AUX CD TAPE TUNER BAND FM MODE REVERSE MODE REW MULTI CONTROL FF DISPLAY SOUND ACS AHB PRO VOLUME RM-RXVB55 REMOTE CONTROL Area Suffix UY ... Argentina This service manual adds UY version to the service manual (RV-B550BU No.20826) previously issued. Contents Safety precautions ...1-2 Importance administering point on the safety ... 1-3 Important for laser products ... 1-4 Preventing static electricity ... 1-5 Disassembly method ... 1-6 Adjustment method ... 1-15 Flow of functional operation until TOC read ... 1-19 Maintenance of laser pickup ... 1-20 Replacement of laser pickup ...1-20 Description of major ICs ... 1-21~29 This service manual is made from 100% recycled paper. COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD. No.20826C Jan. 2001 RV-B550BU 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