Marantz NR1509 Service Manual page 89

3-4. Error Code H1-15 failure detection procedure
Checking device. [U1029 : MX25L3206EMI(U, K,
Check item(17).
Write to the OSD ROM.
Recheck from check item (1).
Does Error Code H1-15 continue?
YES
Check item(18).
Replace [U1029] with a new device.
Recheck from check item (1).
Does Error Code H1-15 continue?
YES
Go to check item (12)
F)/MX25L6406EMI(N)]
NO
NO
Recheck from check item (2).
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