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HP 53131A Service Manual

HP 53131A
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Chapter 6 Backdating
Backdating Specifications
6-16 Assembly-Level Service Guide
6
Backdating Specifications
CHANGE 1 (53131A, Serial Prefix 3710A and Below)
Page 7-3, External Arm Input Specifications:
Change the Signal Input Range specification
from:
TTL Compatible
to:
High-Level Input: >3.0 V
Low-Level Input: <1.5 V
CHANGE 2 (53132A, Serial Prefix 3546A and Below)
Page 7-3, External Arm Input Specifications:
Change the Signal Input Range specification
from:
TTL Compatible
to:
High-Level Input: >3.0 V
Low-Level Input: <1.5 V

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HP 53131A Specifications

General IconGeneral
BrandHP
Model53131A
CategoryCash Counter
LanguageEnglish

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