HP Model 748 HP Model 748 Service Handbook - Page 25

Hardware Support, Field Repair Philosophy

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Product Information Technical Information Hardware Support Field Repair Philosophy Field Repair Philosophy for these products is assembly, or board level. When a failure occurs, the problem is diagnosed to the assembly having the failed part, that assembly is then replaced. Some assemblies may be exchanged for rebuilt ones. Other assemblies are only available as new ones. Refer to appropriate service handbook for information on replacement parts. Additional Technical Information Additional technical information on these products can be found in the Models 743, 744, and 748 Technical Reference. Detailed information about architecture is provided. Schematics In support of the repair philosophy, this manual contains information to the assembly level. Schematics are not available for these products. Supported Configurations Only products with Hewlett-Packard approved parts, accessories, peripherals, operating systems and application programs are supported by Hewlett-Packard. Any product with other than HP approved hardware or software connected or installed must have the nonHP approved hardware and software removed by the customer before On-Site repair is accomplished. Repair Services Hewlett-Packard supports three repair services: Return to Hewlett-Packard Repair On-Site Repair Customer Repair For Return to Hewlett-Packard Repair, customers return the product to their local HP Sales and Service Office, where an HP Bench Repair Engineer troubleshoots, and repairs the hardware to the assembly level. The defective assembly is replaced with a new or rebuilt assembly and the product is returned to the customer. This service is available through a service contract or a time-and-materials basis. On-Site Repair is performed at the customer's site. This service is available through a service contract or a time-and-materials basis. Customers have the option of repairing their own HP products. Contact your nearest Hewlett-Packard Sales and Service Office for information concerning service training, special tools and test equipment, and spare parts. 1-15

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Product Information
Technical Information
1-15
Hardware Support
Field Repair Philosophy
Field Repair Philosophy for these products is assembly, or board level. When a failure
occurs, the problem is diagnosed to the assembly having the failed part, that assembly is
then replaced.
Some assemblies may be exchanged for rebuilt ones. Other assemblies are only available
as new ones. Refer to appropriate service handbook for information on replacement parts.
Additional Technical Information
Additional technical information on these products can be found in the
Models 743, 744,
and 748 Technical Reference
. Detailed information about architecture is provided.
Schematics
In support of the repair philosophy, this manual contains information to the assembly
level. Schematics are not available for these products.
Supported Configurations
Only products with Hewlett-Packard approved parts, accessories, peripherals, operating
systems and application programs are supported by Hewlett-Packard. Any product with
other than HP approved hardware or software connected or installed must have the non-
HP approved hardware and software removed by the customer before On-Site repair is
accomplished.
Repair Services
Hewlett-Packard supports three repair services:
Return to Hewlett-Packard Repair
On-Site Repair
Customer Repair
For Return to Hewlett-Packard Repair, customers return the product to their local HP
Sales and Service Office, where an HP Bench Repair Engineer troubleshoots, and repairs
the hardware to the assembly level. The defective assembly is replaced with a new or
rebuilt assembly and the product is returned to the customer. This service is available
through a service contract or a time-and-materials basis.
On-Site Repair is performed at the customer’s site. This service is available through a ser-
vice contract or a time-and-materials basis.
Customers have the option of repairing their own HP products. Contact your nearest
Hewlett-Packard Sales and Service Office for information concerning service training,
special tools and test equipment, and spare parts.