Yamaha Tyros3 Service Manual page 105

０４６：ＤＧＡ（ＨＤＤ） Ｃｈｅｃｋ
ＮＧ （ＤＧＡ ＳＤＲＡＭ）
In case of NG (SDRAM connection error)
０４６：ＤＧＡ（ＨＤＤ） Ｃｈｅｃｋ
ＮＧ （ＨＤＤ ＣＯＮＮＥＣＴ）
In case of NG (HDD connection error)
０４６：ＤＧＡ（ＨＤＤ） Ｃｈｅｃｋ
ＮＧ （ＨＤＤ ＲＥＡＤ）
０４６：ＤＧＡ（ＨＤＤ） Ｃｈｅｃｋ
ＮＧ （ＨＤＤ ＷＲＩＴＥ）
０４６：ＤＧＡ（ＨＤＤ） Ｃｈｅｃｋ
ＮＧ （ＨＤＤ−ＤＧＡ）
In case of NG (DMA transmission error between HDD and DGA)
In case of NG (HDD Read error)
In case of NG (HDD Write error)
０４６：ＤＧＡ（ＨＤＤ） Ｃｈｅｃｋ
ＮＧ （ＨＤＤ−ＣＰＵ）
In case of NG (DMA transmission error between HDD and CPU)
０４６：ＤＧＡ（ＨＤＤ） Ｃｈｅｃｋ
ＮＧ （ＤＧＡ ＩＲＱ０）
In case of NG (IRQ0 line connection error)
０４６：ＤＧＡ（ＨＤＤ） Ｃｈｅｃｋ
ＮＧ （ＤＧＡ ＩＲＱ４）
In case of NG (IRQ4 line connection error)
０４６：ＤＧＡ（ＨＤＤ） Ｃｈｅｃｋ
ＮＧ （ＤＧＡ ＩＲＱ５）
In case of NG (IRQ5 line connection error)
Test 47
Function: DGA (TG) check
Description:
Checks connections of MEL connection between the DGA
(DM: IC203) and SWP50 (DM: IC205).
Connect headphones to the [PHONES] terminal and switch
between the LINE-A (input to the MEL4 of SWP50) and
LINE-B (input to the MEL5 of SWP50) with the
TAB [ ]/[#] keys.
Tyros3
105