Test 9 - Function: Sound Check Of The Tone Generator 1; Test 10 - Function: Ssp1 Check - Yamaha TYROS4 Service Manual

Tyros4
Test 9
Function: Sound check of the Tone Generator 2
Description:
Sequentially outputs sounds starting from lower keys by
switching the channel of the sound source at the SWP51L
Slave side for checking sound generator and sound. Check
that there is no abnormal sounds or noise.
Displayed Message:
００９：ＴＧ ２ Ｃｈｅｃｋ
００９：ＴＧ ２ Ｃｈｅｃｋ
−−
００９：ＴＧ ２ Ｃｈｅｃｋ
Ｅｎｄ
Supplement:
Sound producing keyboard range is 32 notes from C2 to G4.
Number of sounds is 64.
Circuit
Indications during Execution Board Location
TG1 Check -- DM
TG2 Check -- DM
72
Selected screen
When a sound is being produced.
When the checking is fi nished.
Name in Circuit Diagram
IC701 SWP51L MASTER
IC700 SWP51L SLAVE
Test 10
Function: SSP1 check
Description:
Executes the serial communications check of Main CPU and
SSP1 chip.
The test result is OK and the sine wave C5 note sound will be
produced.
Displayed Message:
０１０：ＳＳＰ１ Ｃｈｅｃｋ
０１０：ＳＳＰ１ Ｃｈｅｃｋ
ＮＧ
０１０：ＳＳＰ１ Ｃｈｅｃｋ
−−
Supplement:
Sound is stopped when the test item is quit.
Selected screen
Serial communications check NG
When a sound is being produced.