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BD-940
2. AD DATA CHECK
This menu is used to display the A/D conversion value of the microprocessor which detect protection function by using
the sub-menu.
PS PRT
Power supply voltage protection detection
Voltage detect: +5M
Normal value:
102 to 153
(Reference voltage: 5 V = 255)
*
If PS becomes out of the normal value range, the protection function works to turn off the power.
3. PROTECTION HISTORY CLEAR
This menu is used to initialize the history of protection function.
Initializing the history of protection function is reserved.
(Actually, initializing is executed the next time the power to this unit is turned on.)
4. SYSTEM CONNECTOR CHECK
This menu is used to check the SYSTEM connector without connecting to the R-840.
With the power to this unit turned off, short between pins No. 1 (SYS_MISO) and No. 4 (SYS_MOSI), between pins No.
2 (SYS_PWR_DET) and No. 3 (SYS_R_EN). (Make sure that the power is turned off when shorting pins.)
Start up the self-diagnostic function and select this menu.
Note) Be sure to return the shorted pins to their original condition after executing this check.
SYSTEM CONNECTOR
4
2
30
2 P S A D 1 2 1
3 P R T
3 P R T C L E A R
4 1 S Y S T E T O K
3
4 2 S Y S P O W O K
1
System control line loop back check
OK: No error detected
NG: An error is detected
Power supply control line loop back check
OK: No error detected
NG: An error is detected
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