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M-EV51
[DETECTING CIRCUITS OF THE PROTECTION]
1
AMP DC DETECTION CIRCUIT
SP-TERMINAL ASSY
E-VOL ASSY
2
AMP OVERCURRENT DETECTION CIRCUIT
SP-TERMINAL ASSY
E-VOL ASSY
3
AMP FAN DETECTION CIRCUIT
AMP REG FAN ASSY
4
AMP POWER LINE DETECTION CIRCUIT
AMP REG FAN ASSY
[AFTER THE DETECTION]
When above four detection circuits detect the error, the set(M-EV51) enters to the stand-by mode.
Then the stand-by LED blinks and it becomes unable to turn on the power for 60 seconds.
This mode can be cancelled by entering to the TEST MODE at Media Part XV-EV51.
Refer to the protection power off timming chart next page.
7.1.2 OPERATING CONDITION FOR FAN
1) After M-EV51 is set to be turned on the power, the fan rotates at low speed under 13V.
2) When CN3501 Pin3 (H/L CONT) becomes about 0.6 ~ 0.85V, the fan rotates at high speed of 20V.
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