Sony KE-42M1 / KE-MV42A1 / KE-MV42M1 / KE-P42M1 Service Manual ▷ View online
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5) Before removing the protective material from the lead of a new ESD, bring the lead
into contact with the chassis or the circuit assembly that the ESD is to be installed on.
6) When handling an unpacked ESD for replacement, do not move around too much.
Moving (legs on the carpet, for example) generates enough electrostatic to damage
the ESD.
7) Do not take a new ESD from the protective case until the ESD is ready to be installed.
Most ESDs have a lead, which is easily short-circuited by conductive materials (such
as conductive foam and aluminum).
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3. NAME and FUNCTION
3-1. Layout of Assemblies
No. Board
1 Logic
Main
2 X-Main
3 Y-Main
4 Y-Buffer
(upper)
5 Y-Buffer
(lower)
6
Logic E Buffer
7
Logic F Buffer
8
Logic G Buffer
1
2
3
4
5
6
7
8
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1. L-Main
5. Y-Buffer (lower)
2. X-Main
6. E-Buffer
3. Y-Main
7. F-Buffer
4, Y-Buffer (upper)
8. G-Buffer
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3-2. Block
Diagrams
3-2-1. Block Diagrams for Drive Circuit Operations
<Drive Y Board>
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