Sony XR-75Z9K Service Manual page 7

SAFETY NOTES
Keep vertical position and put in/take out from Box.
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Always put into ESD bag then place into Box/Container Box
After take defective board out from TV, put it into ESD bag. Do not
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place on floor mat/carpet direct and always put it on ESD cushion
2) Caution for Board handling (ESD).Be sure to observe the following contents
When take off Rear-Cover, do not
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touch to board
Use ESD wrist-strap
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※Installation example of wrist-strap.
Please connect the clip to the metal part of the chassis of the TV with
the wristband grounded. Below is a grounding example of each model.
＜K*-65Z9F＞
※Caution : ESD wrist-strap to be checked daily.
Use Multi-meter to make sure resistance of ESD wrist-strap is OK.
(R=750K Ohms to 35Mega Ohms)
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SYS SET