Symphony C-I-CV43C, Инструкция

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PR20 - 2 WBPEEUI220772A0
Procedure
Perform all cleaning and handling of the printed circuit boards
at static safe workstations. Always observe electrostatic
sensitive device handling precautions when handling printed
circuit boards.
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Be sure to disconnect power to the workstation before access-
ing the printed circuit boards.
General Cleaning and Washing
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1. Remove dust and residue from the printed circuit board
surface using clean, dry, filtered compressed air or an anti-
static field service vacuum.
or
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1. Spray or wipe the printed circuit board with isopropyl alco-
hol (99.5% electronic grade).
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2. Use a foam-tipped swab to wipe the printed circuit board.
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3. When the printed circuit board is clean, remove excess sol-
vent using clean, dry, filtered compressed air.
Edge Connector Cleaning (General)
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1. Make a solution of 80% isopropyl alcohol (99.5% electronic
grade) and 20% distilled water.
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2. Soak a soft lint-free cloth in the solvent mixture.
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3. Work the soft lint-free cloth back and forth parallel to the
edge connector contacts.
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4. Repeat Steps 2 and 3 with a clean soft lint-free cloth.
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5. Dry the edge connector contact area by wiping with a clean
soft lint-free cloth.
W1
W1
W2