Yamaha DM1000 Service Manual page 131

→
1) CPU Interface (Data Bus)
0000 0000 XXXX 0000 0000 0000 0000 X00X
MSB X=
Connection (DSP7 → DSP6)
2) SIO
1 IC201 S0[xx] → IC301 SI[xx]
NG:
→
--- MIDI Loopback ---
OK MIDI Check
OK: SCI2
EXIT ([DEC] Key->[ENTER] Key)
--- 2TR IN/OUT ---
OK FS
OK OUT-->IN
OK DIR Lock (RERR)
OK DIT,DIR CDIN,CDOUT
NG: DIO_SIO 2TR1 [W:12485100 -> R:00000000]
EXIT ([DEC] Key->[ENTER] Key)
→
→
→
→
→
... NG: IC201
LSB
...
→
DM1000/MB1000/SP1000
--- WORD CLOCK ---
OK OUT->IN
NG PLL (DIR2,DBL)
NG PLL UnLock
Disconnect BNC cable
NG:DBL_PLL_48K_COUNT=220
EXIT ([DEC] Key->[ENTER] Key)
--- LCD ---
OK Turn on LCD(white<-->black)
[ENTER] key to Start, [DEC] key to Stop
OK NG
EXIT ([DEC] Key->[ENTER] Key)
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