Toshiba Infinia 7130 Series Maintenance Manual page 72

Check 2 (A) Replace the expansion card(s) and/or the device(s) that caused the missing or
incorrect voltage reading(s) (refer to Chapter 4). (B) Check connectors and slots
on the system board for damage. (C) Replace the system board if it is damaged
(refer to section 4.9.). (D) Measure to determine if the correct voltages are
present in all pins at connector P1 through connector P6.
If the correct voltages are present at these connectors, perform Check 3. If they
are not correct, perform Check 4.
Check 3 (A) If you have not done so already, install all expansion cards and devices one at
a time until they have all been installed. (B) Measure to determine if the correct
voltages are present in all pins at connector P1 through connector P6.
If the correct voltages are present at these connectors, perform Check 4. If the
voltages are not correct, perform Check 2.
Check 4 (A) Replace the system board (refer to section 4.9.). (B) Measure to determine if
the correct voltages are present in all pins at connector P1 through connector P6.
If the correct voltages are present at these connectors, perform the Repair
Completion process. If the voltages are not correct, contact Toshiba technical
support.
Switch (Button) Troubleshooting Process
This section describes how to determine if Infinia™ front panel switches are defective or
malfunctioning (see Figure 2-2 for Infinia™ front bezel switch (button) locations). To
perform this process, begin with Procedure 1 and perform the remaining procedures as
instructed. The procedures described in this section include:
Procedure 1
Procedure 2
Procedure 3
Procedure 4
Infinia™ 7130, 7160, and 7200 Maintenance Manual ---------------------------------------- 3-65
Switch (Button) Resistance Check
Switch (Button) Replacement Check
Switch (Button) Operation Check
System Board Replacement Check