Sharp ER-A750 Service Manual page 10

5. How to use service tools
5-1. Expansion PWB : CKOG-6724BHZZ
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Extrenal view
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Plain view
Test pins : Used to check the bus signals.
Bus connector : Used to check the bus signals.
Connected to the ER-A750 Mother PWB.
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Connection diagram
ER-A750 bus connector
5-2. MCR test card: UKOG-6718RCZZ
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Used when executing the diagnostics of the ER-A8MR.
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External view
2 – 3
ER-A7RS