Failure Analysis - Sony PCS-G70 Integration Manual

2-3. Failure Analysis

Inspect the items below when this system does not operate normally.
1. The communication terminal does not start even if its power switch is turned on.
. Check that the power cable is connected properly.
. Check that the POWER indicator (green) on the front panel of the communication terminal lights.
2. The main unit does not start even if you press the I/O button of a remote controller.
. Check that the POWER indicator (orange) on the front panel of the communication terminal lights.
. Check that the initial screen is displayed when the power switch of the communication terminal is
turned on again.
Check the power switch of the communication terminal and the power cable when the POWER
indicator does not light.
. Check that the transmission block of a remote commander emits light in the local image on the monitor
when you press buttons on the remote commander put toward the camera unit.
Check the consumed battery or failure of the remote commander when no light is emitted.
3. The initial screen is not displayed. (The screen is black.)
. Check the monitor power and input selection.
. Check that the video cable is connected properly.
. Connect with the monitor having a composite (video) input terminal when only an RGB monitor is
connected.
Set the dual monitor properly in a "General Setup menu" when the initial screen is displayed on the
monitor having a composite (video) input terminal.
4. A local image is not displayed in the screen area of the initial screen.
. Press the "INPUT SELECTION" button of the remote commander and confirm that the video input
selection on the local side is "Main".
. Check that the camera cable is connected properly.
. Check that the POWER indicator (green) of a camera unit lights.
. Check that the camera unit is connected to the MAIN CAMERA connector on the communication
terminal.
5. A line is not connected. (ISDN)
. Check that the communication terminal and ISDN unit are properly connected. (Pay attention to the
vertical orientation of the connector.)
. Check that the STATUS indicator (green) of an ISDN unit blinks.
. Check that the STATUS 1 to 6 indicators (orange) of an ISDN unit light proportionally to the number
of connected lines.
Check the ISDN line and DSU (Digital Service Unit) when the indicators do not light.
. Check whether loopback operation (Section 2-1) can be performed.
. Check that the setting contents of a dial list and system setup are proper.
. For bonding connection, check that the ISDN number of the local terminal on the incoming side is
properly set (on pages 2 and 3 of "ISDN Setup menu").
2-2
PCS-G70/G70P