Yamaha A4000, Service Manual, Page: 22 / 61

A5000/A4000
22
RESULT OF THE TEST
OK :
516, 517, 518, 519: CN number
In case of OK **: the capacity (MByte) of the understanding
DRAM
In case of R/W error **: NG
NG :
In case of SWP30 access error
END OF THE TEST
After displaying the result, the test will be finihsed.
Or push the [ENC5] STOP and cancel.
07 DRIVE 1SECTOR / DMA (SCSI)
Connect the HDD to the SCSI Bus and execute by pressing the
[ENC5] MANUAL.
The SCSI ID of the drive testing on the [ENC3] can be selected. (The
default ID can be set by pressing the [ENC3] ID4.)
The data on the SCSI DRIVE may be destroyed, so execute this test
after saving the back-up data.
RESULT OF THE TEST
OK :
n : SCSI ID (0 - 7)
*** : Production Company Name
+++ : Type
### : Version
NG :
Access error
NG :
Read error
NG :
Write error
NG :
Verify error
END OF THE TEST
After displaying the result of the test, the test will be finished. Or
push on the [ENC5] STOP.
04 CPU (DRAM/EEPROM/DPRAM/FLASH)
Perform the read/write test of DRAM / EEPROM / Dual Port RAM
/ Flash ROM. Check that OK is displayed.
RESULT OF THE TEST
OK :
NG :
read error of DRAM
NG :
refresh error of DRAM
NG :
read error of EEPROM
END OF TEST
After displaying, the test will be finished.
05 WAVE RAM
Perform the read/write test of WAVE RAM (the DRAM for wave
form stuck the circuit board). Check that OK is displayed.
RESULT OF THE TEST
OK :
NG :
END OF THE TEST
After displaying the result, the test will be finished.
06 SIMM
Perform the read/write test of SWP30 register and WAVE MEMORY
(SIMM). Check that OK is displayed.
OK AUTO MANUAL
NG AUTO MANUAL
N G S C S I d e v i c e b a d c o n d i t i o n
N G S C S I d e v i c e r e a d e r r o r
N G S C S I d e v i c e w r i t e e r r o r
N G D ATA c o m p a r e e r r o r
0 4 : C P U ( D R A M / E E P R O M / D P R A M / F L A S H )
D E S T R U C T I V E ! AUTO MANUAL
0 4 : C P U ( D R A M / E E P R O M / D P R A M / F L A S H ) OK
AUTO MANUAL
0 4 : C P U ( D R A M / E E P R O M / D P R A M / F L A S H ) NG
D R A M R e a d e r r o r AUTO MANUAL
0 4 : C P U ( D R A M / E E P R O M / D P R A M / F L A S H ) NG
R e f r e s h e r r o r AUTO MANUAL
0 4 : C P U ( D R A M / E E P R O M / D P R A M / F L A S H ) NG
E E P R O M R e a d e r r o r AUTO MANUAL
0 5 : WAV E R A M
AUTO MANUAL
0 6 : S I M M
AUTO MANUAL
0 6 : S I M M OK
5 1 6 : ** 517:** 518:** 519: ** AUTO MANUAL
0 6 : S I M M NG
S W P a c c e s s e r r o r AUTO MANUAL
0 7 : D R I V E 1 S E C T O R / D M A ( S C S I )
D E S T R U C T I V E ! I D 4 AUTO MANUAL
OK n / * * * / + + + + / # # # # #