2) DIAGNOSIS for
DVR-7000
(2/2)
b) Other check method
(1) When nothing is displayed on PC via RS232C;
SYSTEM-CPU does not work.
Confirm the IC connected to SYSTEM-CPU.
EX) IC1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1013
(2) When “
FLASH_NG
” appears on FL after DVR-7000 turns on;
The check of FLASH ROM(IC1008).
Confirm the soldering condition, power, and a clock signal of IC1008.
If it is normal, firmware download is required via RS232C.
If IC1008 is not downloadable via RS232C, FLASH ROM(IC1008) may be faulty.
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