g. X-radiation - TUBE: The primary source of X- h. X-radiation Shield -
radiation in this receiver is the picture tube. The tube 1. This receiver is provided with X-ray shield plates
utilized for the above mentioned function in this for protection against X-radiation. Do not remove
chassis is specially constructed to limit X-radiation X-ray shield plates A, B, C, or D shown in Fig. 1
emissions. unnecessarily, when troubleshooting and/or
For continued X-radiation protection, the replacement making test measurements.
tube must be the same type as the original, Hitachi 2. To prevent X-radiation, after replacement of
approved type. picture tube and lens, confirm these components
When troubleshooting and making test measure- to be fixed correctly to bracket and cabinet, and
ments in a receiver with a problem of excessive high not to be taken off easily.
voltage, avoid being unnecessarily close to the picture
tube and the high voltage component.
Do not operate the chassis longer than is necessary
to locate the cause of excessive voltage. A
R-Lens
G-Lens
B-Lens
Shield Plate A
Glass Lens for Shielding
/
Shield Plate C
Shield Plate D
1\ v!F?*
Fig. 1. Detailing X-radiation Shield |
ACEC
