Agilent Technologies 8133A Manual de Serviço Página 140

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140 16800 Series Portable Logic Analyzers Service Guide
6 Replacing Assemblies
To remove and replace the pattern generator circuit board
1 Use a Torx T10 screwdriver to remove the 3 screws
attaching the back panel and ground spring to the circuit
board, then remove the back panel and ground spring.
2 Replace the faulty circuit board with a new circuit board.
On the circuit board, ensure the 20- pin ribbon cable is
connected between J7 and J8.
3 Position the ground spring and back panel on the back
edge of the replacement circuit board. Install 3 screws to
connect the back panel and ground spring to the circuit
board.
4 Install the cables and cable clamp using the procedure
“To remove and replace the pattern generator probe
cable" on page 139.
5 Install the pattern generator card using the procedure “To
remove and replace a pattern generator card" on
page 138.
T-10
screws
(3)
Circuit board
Back panel
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