Function: Only the power for the small-signal system (16.5 V, 12 V, and 6.5 V) is on, and the power for the large-signal system (VSUS,
VADR) is off.
Usage: 1. Use when only an operational check for the small-signal system is required, such as when making repairs.
2. Use when rewriting of a program for each microcomputer is required.
Methods: 1 Set the slide switch (S5201) on the DIGITAL VIDEO Assy to its upper position (see Fig. below).
2. Send the "DRF" RS232C command to turn the large-signal system off.
3. Send the "DRN" RS232C command to turn the large-signal system on.
Notes:
• As the unit enters Power-Down and Muting On mode when Methods 1 and 2 are performed, and power-downs other than those caused by
the power (PS_PD) and DC-DC-converter (DIGITAL_DC-DC) circuits are not activated.
• If the slide switch is set from OFF to ON while the power is on, a power-down will occur. Be sure to turn the power off before switching the
slide switch.
Fig. Drive OFF switch
Rear View
DIGITAL VIDEO Assy
S5201
Drive OFF
Normal position
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