Yamaha CL3 Service Manual page 156

Digital mixing console
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CL3/CL1
DSP6 のテス ト項目と実行中の表示 (右の Window 内)
1 :   CPU Interface (Busy)  .................................................. OK
2:   CPU Interface (Data Bus)  .......................................... OK
3:   CPU Interface (Chip Select, TXB)  ........................... OK
4:   CPU Interface (Address Bus)  .................................... OK
5:   CPU Interface (BUS W/R Reg.)  ............................... OK
6:   DRAM Interface (Data Bus)   . ...................................... OK
7:   DRAM Interface (Address Bus)   . ................................ OK
8:   DRAM Interface (Address Bus & MPR)   . .................. OK
9:   SIO Connection...OK .........DSP6 → DSP6 の SIO test
10:   PIO Connection...OK .........DSP6 → DSP6 の PIO test
DSP7 のテス ト項目と実行中の表示 (右の Window 内)
1 :   CPU Interface (Data Bus)  .......................................... OK
2:   CPU Interface (Chip Select)   . ..................................... OK
3:   CPU Interface (Address Bus)  .................................... OK
4:   E-RAM Interface (Data Bus)   . ..................................... OK
5:   E-RAM Interface (Address Bus)   . ............................... OK
6:   SIO Connection (DSP7 → DSP6)  ............................ OK
7:   SIO Connection (DSP6 → DSP7)   . ........................... OK
8:   SIO Connection (DSP7 → DSP7)  ............................ OK
9:   DSP7 LSI Check (DSP7 ACC)   . ................................ OK
DSP6、DSP7 共通、NG の場合の表示説明
1)   CPU Interface/DRAM, E-RAM Interface
NG:  ICxxx (1)  0000 0000 XXXX 0000 0000 0000 0000 X00X
     MSB  
IC 番号 DSP 番号   X =不良のビッ ト
2)   SIO Connection (DSP7 → DSP6)...
NG:  1 ICxxx (1) [SOxx]  → ICxxx (1) [SIxx]
156
1-8.  SHARC Test
内容  CPU SHARC 間の通信チェック。
SHARC  SDRAM チ ェ ッ ク (Address  Bus、Data 
Bus) 。
CPU と SHARC 間の FLAG ラインのチェック。
実行画面例
LSB

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