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DNW-A220
DNW-A220P
ABCDEFGH
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2
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D703
D702
D704
EQ-72 Board (A Side)
EQ-72 Board
Ref.No. Color Description Normal state
D702 Green Lit only in the analog playback mode –––
D703 Red Lit only in the REC mode –––
D704 Red Blinks when EQ microcomputer normally operates Blinking
Lit when any of the following errors occurs
1. NV-RAM check sum error
2. NV-RAM verifying error
3. INNER ECC status error
4. REC data parity error
5. When conditions necessary for automatic adjustment are not ready
6. When communication with system control is not started
1-10. Description on Internal Indicators
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