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10. MAINTENANCE & TROUBLESHOOTING
10-4
10.5 Diagnostics
This section provides the procedures for testing the equipment for proper
operation. Four tests are provided: RAM menu, Dim menu, Cartridges and Serial
ports. To access the test menu, do the following:
1. Press the [POWER/BRILL] key to turn on the equipment while holding the
[CLEAR] key down.
2. Release the [MENU] key when you hear the beep.
RAM menu
Dim menu
Cartridges
Serial ports
SYSTEM TEST
1451722-01.02V*.**._**
NTSL V5.0.33R
*: Program version No.
SYSTEM TEST menu
10.5.1 RAM menu
The RAM menu checks each memory circuit and signal main board. Results for
device checks are shown as OK or NG (No Good). For any NG, request service.
1. Rotate the [ENTER] knob to choose “RAM menu” on the SYSTEM TEST.
2. Push the [ENTER] knob to show the RAM window.
RAM test
RAM clear
RAM window
3. Rotate the [ENTER] knob to select “RAM test” and then push the [ENTER]
knob to start the RAM test.
4. Confirm that “OK” appears.