zenith A21b41W free download

File name A21B41W.pdf

PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTS IMPORTANT SAFETY NOTICE This manual was prepared for use only by properly trained audio-visual service A.C. Voltmeter technicians. When servicing this product, under no circumstances should the original design be modified or altered without permission from Zenith Electronics Corporation. All components should be replaced only with types identical to those in the original circuit and their physical location, wiring and lead dress must conform to original layout upon completion of repairs. Special components are also used to prevent x-radiation, shock and fire hazard. 0.15uF These components are indicated by the letter "x" included in their component Place this probe Good Earth Ground designators and are required to maintain safe performance. No deviations are on each exposed such as the Water allowed without prior approval by Zenith Electronics Corporation. Pipe, Conduit, etc. 1500 OHM metal part. Circuit diagrams may occasionally differ from the actual circuit used. This way, implementation of the latest safety and performance improvement changes into 10 WATT the set is not delayed until the new service literature is printed. CAUTION: Do not attempt to modify this product in any way. Never perform X-RADIATION customized installations without manufacturer's approval. Unauthorized 1. Be sure procedures and instructions to all service personnel cover the modifications will not only void the warranty, but may lead to property damage subject of x-radiation. The only potential source of x-rays in current TV or user injury. receivers is the picture tube. However, this tube does not emit x-rays when the HV is at the factory-specified level. The proper value is given in the Service work should be performed only after you are thoroughly familiar with applicable schematic. Operation at higher voltages may cause a failure of these safety checks and servicing guidelines. the pict