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HP-42S battery drain
07-09-2020, 02:47 AM
Post: #2
RE: HP-42S battery drain
Possibly a faulty tiny discrete component you may have overlooked. Lyuka’s webpage on memory upgrade includes a complete schematic that might be useful:

http://www.finetune.co.jp/~lyuka/interests/calc/hp42s/

Boa sorte!
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Messages In This Thread
HP-42S battery drain - Marcovecchio - 07-09-2020, 01:48 AM
RE: HP-42S battery drain - Gerson W. Barbosa - 07-09-2020 02:47 AM
RE: HP-42S battery drain - jebem - 07-09-2020, 05:38 AM
RE: HP-42S battery drain - Marcovecchio - 07-09-2020, 12:24 PM
RE: HP-42S battery drain - Allen - 07-09-2020, 01:45 PM
RE: HP-42S battery drain - Marcovecchio - 07-09-2020, 06:09 PM
RE: HP-42S battery drain - Marcovecchio - 07-13-2020, 02:55 AM
RE: HP-42S battery drain - Dave Shaffer - 07-14-2020, 04:04 AM
RE: HP-42S battery drain - KF6GPE - 07-14-2020, 05:25 AM
RE: HP-42S battery drain - GreyUser - 07-17-2020, 02:25 AM
RE: HP-42S battery drain - Marcovecchio - 07-18-2020, 04:36 AM
RE: HP-42S battery drain - ijabbott - 07-18-2020, 02:24 PM
RE: HP-42S battery drain - Marcovecchio - 07-18-2020, 08:29 PM
RE: HP-42S battery drain - Marcovecchio - 08-05-2020, 02:56 AM



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