Yamaha i88x Service Manual page 55

OUTPUT 2 jack.
Make sure that the MONITOR SELECT 7/8 LED
lights up.
T07: COAXIAL IN/OUT Check
[Description]
Checks that the digital data sent to the COAXIAL
IN is output from the COAXIAL OUT jack cor-
rectly.
[Equipment Setting]
Inspection tool:
Main Unit Setting:
PHANTOM SW OFF
Input 1
Input 2
Inputs 3 - 8
Monitor Select
Optical Select
Monitor Volume max
Master Volume
O1V96:
(ClockMaster =2TR, Coaxial/ADAT connection)
∗ It can be a check with the Coaxal assistant digital
audio equipment.
[Procedure]
7-1 Interconnect the COAXIAL IN/OUT terminals on
the O1V96 and the COAXIAL OUT/IN terminals
on the main unit.
Send the music data to the main unit from the
COAXIAL OUT on the O1V96.
[Check Item]
7-1 Make sure that the ECHOBACKed music data is
played back in the 01V96 correctly.
Make sure that the music data is played back at both
OUTPUT 1 and 2 jacks correctly.
T08: ADAT 96KHz INPUT/OUTPUT Check
[Description]
Check that the digital data(ADAT) sent to the
OPTICAL IN is output from the OPTICAL OUT
terminal.
[Equipment Setting]
Inspection tool:
Main Unit Setting:
PHANTOM SW OFF
Input 1
Input 2
Inputs 3 - 8
Monitor Select
Optical Select
Monitor Volume max
Master Volume
O1V96:
(ClockMaster =2TR, Coaxial/ADAT connection)
LoopBackOn, FS=96KHz,
Connection Setting(Master=PC)
LINE (Gain Volume max)
LINE (Gain Volume max)
(Gain Volume max)
DIGITAL
DIGITAL
max
Connection
LoopBackOn, FS=96KHz,
Connection Setting(Master=PC)
LINE (Gain Volume max)
LINE (Gain Volume max)
(Gain Volume max)
OFF
ADAT DOUBLE
max
Connection
[Procedure]
8-1 Interconnect the COAXIAL IN/OUT terminals on
the O1V96 and the COAXIAL OUT/IN terminals
on the main unit.
Interconnect the ADAT IN/OUT terminals on the
01V96 and the OPTICAL OUT/IN terminals on the
main unit.
Send the music data to the main unit from the ADAT
OUT on the O1V96.
[Check Item]
8-1 Make sure that the ECHOBACKed music data is
played back in the 01V96(ADAT) correctly.
T09: ADAT 48KHz INPUT/OUTPUT Check
[Description]
Checks that the digital data(ADAT) sent to the
OPTICAL IN terminal is output from the OPTICAL
OUT terminal correctly.
[Equipment Setting]
Inspection tool:
Main Unit Setting:
PHANTOM SW
Input 1
Input 2
Inputs 3 - 8
Monitor Select
Optical Select
Monitor Volume max
Master Volume
O1V96:
(ClockMaster =Internal 48KHz, Coaxial/ADAT
connection)
[Procedure]
9-1 Interconnect the COAXIAL IN/OUT terminals on
the O1V96 and the COAXIAL OUT/IN terminals
on the main unit.
Interconnect the ADAT IN/OUT terminals on the
01V96 and the OPTICAL OUT/IN terminals on the
main unit.
Send the music data to the main unit from the ADAT
OUT on the O1V96.
[Check Item]
9-1 Make sure that the EchoBacked music data is played
back in the 01V96(ADAT).
LoopBackOn, FS=48KHz,
Connection Setting(Master=PC)
OFF
LINE (Gain Volume max)
LINE (Gain Volume max)
(Gain Volume max)
OFF
ADAT NORMAL
max
Connection
i88X
55