Diagnostics; Diagnostic Tools; Diagnostic Procedure Summary - GE Vivid 3N Pro Series Service Manual

Table of Contents

Diagnostics

The diagnostic tools check the system parts, as well as power supplies, temperature, fan operation,

board functions, Back-end signal processing performance, keyboard operation, and so on.

The diagnostic tools are used to identify and correct problems as follows:

When the system boots up, it loads all the required drivers and establishes communication with the

front board, via the IP card. Check the system presets to verify that good unit performance can be

When the Back End is operating, you can verify proper voltages and temperatures in the Front End

motherboard and in the AC Distribution Box. To check the Front End parts, the tests must follow a

logical sequence, in order to identify the faulty component. For example, testing communication

between the Front End and the Back End begins by testing the IP card and PC2IP, before testing

all the other boards, in the following sequence: VME Bus, FEC, RFT, BF board, FB and MUX board.

Many error messages are displayed due to minor changes in calibration that may occur during normal

operation. Before performing diagnostic tests, perform calibration, as described in

"Calibration" on page

Front End diagnostics described in

6-21. If error messages are displayed after performing calibration, perform the

Section 7-2 - Diagnostics

Section 7-3 "Performing Front End (FE) Diagnostics" on page 7-