HP 82718A Service Manual page 4

HP82718A „
Contents iii
Illustrations
Figure Title
2-1
2-2
2-3
3-1
End-Retainer Screws 2-1
HP-75 Installation 2-2
Batteries Installed in the Pod 2-2
HP 82718A Block Diagram 3.]^
4-1 Bottom-Case and End-Retainer Screws and Battery Compartment 4-2
4-2 "
4-3
4-4
4-5
Power-PCA Mounting Screws 4.2
Disconnecting the Modem Flex Cahle 4.3
ROM-Connector-Shield Screws 4.3
Modem PCA, Modular Jacks, and I/O Panel 4.4
4-6 ROM-Connector Cable Strain-Relief Bar and Connector 4-4
4-7 ROM-Connector Test Setup 4.5
4-8 Installing the ROM-connector Shield Screws 4-6
4-9. I/O-Panel Installation 4.3
4-10 Installing the PCAs 4.7
4-11 Securing the ROM-Connector Shield 4.7
6"! HP 82718A Expansion Pod Exploded View 0.3
6-2 Component-Location Diagram 3.5
7-1 Power PCA, Electronic-Disc Schematic 7.3
"^"2 Power PCA, Modem-Interface Schematic 7.5
7-3 Power PCA, Power-Supply Schematic 7.7
Tables
Table Title Page
1-1 Specifications 3^.2
4-1 Required TdoIs 4.]^
5-1 Required Tools 5.2
5-2 The HP-75 Does Not Tirn On 5.3
5-3 Power Supply Voltages 5.4
5-4 The HP-75 Tbrns On 5.4
6-1 Replaceable Parts, Assembly Level 6-1
6-2 Replaceable Parts, Component-Level 6-4
A-1 Diagnostic Tfest Error Messages A-1