VM88
VM88
8
37
3-4. Fader Check
While holding down both the
PAN/EQ
and
EFF/AUX
keys, press the
FADER ADJUST
key. The LCD digits will
indicate the current level of input, master faders and data wheel. The level of input & master faders will vary from 00
~ 99. The data wheel level will vary from 0 ~ 9. Check if the level will vary when operating the faders and wheel.
Pressing the EXIT key will put back the VM88 to the normal mode display.
OL
1
6
12
24
48
1
4
6
7
8
L
R
5
3
2
MAX
R
MIN
L
MID
HI
LO
PAN
A1
A2
E2
E1
SCENE NO.
OL
-3
-6
-9
-12
-18
-24
-36
R
L
OPTICAL
CH
MASTER
44.1kHz
CH1 FADER LEVEL
CH2 FADER LEVEL
CH3 FADER LEVEL
CH4 FADER LEVEL
DATA WHEEL LEVEL
CH5/6 FADER LEVEL
CH7/8 FADER LEVEL
MASTER FADER LEVEL
3-2. Battery Check
While holding down both the
PAN/EQ
and
EFF/AUX
keys, press the
EFF 2
key. The LCD display will show the
voltage of the memory backup battery inside the VM88 for about a second, and then return to the normal display
mode. If the voltage falls below 2.2V, the message “BattEmpty” will appear with powering on. When this message
appears, the battery has to be replaced with the new one.
OL
1
6
12
24
48
1
4
6
7
8
L
R
5
3
2
MAX
R
MIN
L
MID
HI
LO
PAN
A1
A2
E2
E1
SCENE NO.
OL
-3
-6
-9
-12
-18
-24
-36
R
L
OPTICAL
CH
MASTER
44.1kHz
OL
1
6
12
24
48
1
4
6
7
8
L
R
5
3
2
MAX
R
MIN
L
MID
HI
LO
PAN
A1
A2
E2
E1
SCENE NO.
OL
-3
-6
-9
-12
-18
-24
-36
R
L
OPTICAL
CH
MASTER
32kHz
48kHz
44.1kHz
DIGITAL
REMAIN ABS
LOC MTC IN
M
H
: Blinking
MTC
3-3. Display Check
While holding down both the
PAN/EQ
and
EFF/AUX
keys, press the
EXIT
key. The LCD segments as well as the
LEVEL / FADER ADJUST, EFF/AUX, PAN/EQ, RECALL, STORE, EFF1 / 2 keys / self-illuminating switch and
PHANTOM LED will start blinking. Check if they are correctly blinking. Pressing the ENTER key will change the
blinking pattern. Pressing the EXIT key will put the VM88 back to the condition right after powering on.
ROOT, DSP, DIGITAL, MAIN, VM88
se
l.sc
h
C
923
10
/1
6
C
928
0.
1
C
929
0.
1
C
924 0.
1
C
926 0.
1
R934
100
U907
AK
4522
C
930
10
/1
6
C
925
10
/1
6
C
927
10
/16
ADO
4
AI
N
7-
AI
N
7+
AI
N
8-
AI
N
8+
AUX
SE
ND
_A
L
+
AUX
SE
ND
_A
L
-
AUX
SE
ND
_A
R
+
AUX
SE
ND
_A
R
-
AGND
A+
5
AGND
AD
+
5
DGND
R
928
10
K
D+
5
R929
10K
R930
10K
DGND
DGND
R
990
330
R
991
330
C6
0
1500p
C6
1
1500
P
R
992
330
R
993
330
SI_DSP
SO_DSP
SCK_DSP
SCK_DSP
SI_DSP
SO_DSP
DRDY_DSP
WRDY_DSP
WRQ_DSP
WRQ_DSP
DRDY_DSP
WRDY_DSP
RST_DSP
SEL[1...3]
RST_DSP
SEL[1...3]
AIN8+
AIN8-
AIN7+
AIN7-
1
2
3
4
5
6
7
8
9
10
11
12
VREFH
AINR+
AINR-
AINL+
AINL-
VA
AGND
DIF0
DIF1
LRCK
SCLK
SDTI
VCOM
AOUTR
AOUTL
CMODE
PD
DGND
VD
MCLK
DEM1
DEM0
SMUTE
SDTO
24
23
22
21
20
19
18
17
16
15
14
13
/LRCK
BCK
SCK_DSP
SI_DSP
SO_DSP
SELECTOR
WRQ_DSP
DRDY_DSP
WRDY_DSP
RST_DSP
SEL[1...3]
SCK_DSP[1...3]
SI_DSP
SO_DSP[1...3]
/WRQ_DSP[1...3]
DRDY_DSP[1...3]
WRDY_DSP[1...3]
/RST_DSP[1...3]
SCK_DSP1
SI_DSP
SO_DSP1
/WRQ_DSP1
DRDY_DSP1
WRDY_DSP1
/RST_DSP1
SCK_DSP1
SI_DSP
SO_DSP1
/WRQ_DSP1
DRDY_DSP1
WRDY_DSP1
/RST_DSP1
AIN1+
AIN1-
AIN2+
AIN2-
AIN3+
AIN3-
AIN4+
AIN4-
AIN1+
AIN1-
AIN2+
AIN2-
AIN3+
AIN3-
AIN4+
AIN4-
AIN1+
AIN1-
AIN2+
AIN2-
AIN3+
AIN3-
AIN4+
AIN4-
SCK_DSP2
SI_DSP
SO_DSP2
/WRQ_DSP2
DRDY_DSP2
WRDY_DSP2
/RST_DSP2
SCK_DSP2
SI_DSP
SO_DSP2
/WRQ_DSP2
DRDY_DSP2
WRDY_DSP2
/RST_DSP2
/INIT_RESET
/CODEC_RST
/INIT_RST
/CODEC_RST
/INIT_RESET
/CODEC_RST
FS512
FS256
BCK
/LRCK
FS512
FS256
BCK
/LRCK
FS512
FS256
BCK
/LRCK
ADO1
ADO2
AUX_B
STOUT
ST_B
SOUT_12
SOUT_34
SOUT_56
SOUT_78
EFF_A
EFF_B
AUX
AUXSEND_AL-
AUX
AUXSEND_AR-
dsp1.sch
DSP1
AUX
AUXSEND_AL-
AUX
AUXSEND_AR-
SOUT_12
SOUT_34
SOUT_56
SOUT_78
STOUT
ST_B
EFF_A
EFF_B
ADO1
ADO2
SOUT_12
SOUT_34
SOUT_56
SOUT_78
STOUT
ADO[1...4]
ADO[1...4]
AIN5+
AIN5-
AIN6+
AIN6-
AIN5+
AIN5-
AIN6+
AIN6-
SCK_DSP3
SI_DSP
SO_DSP3
/WRQ_DSP3
DRDY_DSP3
WRDY_DSP3
/RST_DSP3
/INIT_RESET
/CODEC_RST
FS512
BCK
/LRCK
/INIT_RST
/CODEC_RST
FS512
BCK
/LRCK
DSP3
dsp3.sch
AUX_B
ADO3
STOUT
ST_B
EFF_B
EFF_A
AUX
AUXSEND_BL-
AUX
AUXSEND_BR-
SOUT_L-
SOUT_R-
SPDIFOUT
AUX
AUXSEND_BL-
AUX
AUXSEND_BR-
SOUT_L-
SOUT_R-
SPDIFOUT
SPDIFOUT
ADO3
AUX
AUXSEND_BL-
AUX
AUXSEND_BR-
SOUT_L-
SOUT_R-
AUX_B
SCK_DSP[1...3]
SO_DSP[1...3]
/WRQ_DSP[1...3]
DRDY_DSP[1...3]
WRDY_DSP[1...3]
/RST_DSP[1...3]
AIN5+
AIN5-
AIN6+
AIN6-
SCK_DSP3
SI_DSP
SO_DSP3
/WRQ_DSP3
DRDY_DSP3
WRDY_DSP3
/RST_DSP3
/INIT_RESET
/CODEC_RST
FS512
/CODEC_RST
2. MAIN_D, CPU
1. MAIN_D, ROOT
3. MAIN_D, DSP_ROOT
7. MAIN_D, GA_DIF
4. MAIN_D, DSP1 2
5. MAIN_D, DSP3
6. MAIN_D, DSP SEL
8. MAIN_D, PLL
