ACU16-C
34
2. List of test items
1
FLA:
READ/WRITE test of FLASH ROM
Automatic judgment
2
RAM: READ/WRITE test of DRAM
Automatic judgment
3
EEP: READ/WRITE test of EEPROM
Automatic judgment
4
DSP: READ/WRITE test of DSP5 register
Automatic judgment
5
CM1: READ/WRITE test of CM-1 HM1
Automatic judgment
6
COB: Serial LOOP BACK test of CM-1
Automatic judgment
7
USB: USB test
Automatic judgment
8
WCK: Word clock test
Automatic judgment
9
RS4: RS-485 test
Automatic judgment
10 ROT: UNIT ID select SW test
Automatic judgment
11 LED: LED lighting test
12 THR: Audio signal test
13 DAC: DA converter test
14 FST:
Factory set
15 EXI:
The program exits from the test mode and is restarted in the normal mode.
During inspection, the PC screen displays the contents currently being tested and the test results as shown below.
3. Overall inspection
3.1 Connection
DIA>FLA
>> FLASH MEMORY TEST
OK: FLASH MEMORY TEST.......[ O K ]
DIA>RAM
>> DRAM TEST
NG: DRAM TEST........................>>>> N G <<<<
ACU16-C
USB
USB
RS-232C
PRIMARY
PRIMARY
RS-485
to
COMPUTER
Windows
PC
(cross)
LAN cable
LAN cable
PC9500N or PC9500N series
TEST PROGRAM 3-2 Testing method
No.9 RS4: RS-485 test using.
(streight)
(PC9500N)
(AAX34720)
(cross)
CPU
circuit board
DC5V
NHB32-C (for jigs)
DME32
AES/EBU 1
SLOT1
MY8-AE
SLOT2
MY8-AE
AES/EBU 2
1)
1)
25P D-sub cable for MY8-AE
(cross)
(For example)
