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HP3478A Hi-Res Schematic
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Miti:
Do you have a high resolution schematic of the HP3478A, particularly around U512? In the service manual that I have I cannot see clearly pins 16, 18, 19.
Cheers,
Miti
gyachts:
This is the best scan I have, hope it helps.
Greg
TheDefpom:
Does this help?
Miti:
--- Quote from: gyachts on January 04, 2023, 08:45:45 pm ---This is the best scan I have, hope it helps.
Greg
--- End quote ---
Is not very clear which is pin 18 and which is 19.
Thanks
Miti:
--- Quote from: TheDefpom on January 04, 2023, 08:47:04 pm ---Does this help?
--- End quote ---
This helps, thanks. OD is pin 18 and CE1 is pin 19.
Miti
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