Test 53 - Function: Full Check Of Wave Rom; Test 54 - Function: Full Check Of Effect Ram - Yamaha TYROS4 Service Manual

Test 53
Function: Full check of Wave ROM
Description:
Executes Read test (full address checksum test) of Wave ROM.
As the Wave ROM is shared by TG1 (Master) and TG2 (Slave),
the check is performed from both sides.
It will take about 10 minutes for the check.
Displayed Message:
０５３：Ｗａｖｅ ＲＯＭ Ｃｈｅｃｋ２
０５３：Ｗａｖｅ ＲＯＭ Ｃｈｅｃｋ２
ＯＫ
０５３：Ｗａｖｅ ＲＯＭ Ｃｈｅｃｋ２
ＷＡＶＥ （ＩＣ７０２，７０３，７１７，７１８） ＮＧ
In case of NG, the location and the IC number of which NG is
detected will be shown.
Circuit
Error Indications Board Location
WAVE NG DM
Selected screen
In case of OK
In case of NG
Name in Circuit Diagram
IC702 WAVE ROM H0 1G
IC703 WAVE ROM H1 1G
IC717 WAVE ROM L0 1G
IC718 WAVE ROM L1 1G
Test 54
Function: Full check of Effect RAM
Description:
Full address checksum inspection of EffectRAM
It will take about 1 minute for the check.
Displayed Message:
０５４：Ｅｆｆｅｃｔ ＲＡＭ Ｃｈｅｃｋ２
０５４：Ｅｆｆｅｃｔ ＲＡＭ Ｃｈｅｃｋ２
ＯＫ
０５４：Ｅｆｆｅｃｔ ＲＡＭ Ｃｈｅｃｋ２
ＴＧ１ （ＩＣ９６１） ＮＧ
ＴＧ２ （ＩＣ９６２） ＮＧ
Supplement:
In case of NG, the location and the IC number of which NG is
detected will be shown.
TG1 indicates Effect RAM of SWP51L Master (DM: IC701)
and TG2 indicates Effect RAM of SWP51L Slave (DM: IC700).
Circuit
Error Indications
Board
TG1 NG DM
TG2 NG DM
Tyros4
Selected screen
In case of OK
In case of NG
Location Name in Circuit Diagram
IC961 SDRAM 64 M
IC962 SDRAM 64 M
97