Yamaha IM8-32, Service Manual

Page: 107 / 307

107
IM8-40/IM8-32/IM8-24
Table 2-2-8 CH1 INPUT A [dBu]
INPUT
INPUT
level
GAIN PAN ST ASSIGN switch MONO ASSIGN switch REC OUT L REC OUT R
CH1
INSERT IN
-10 MIN
L
ON
*1
–
-7.8 ± 2 –
R – -7.8 ± 2
L
– ON
*2
-7.8 ± 2 –
R – -7.8 ± 2
*1 Turn on the REC OUT ST switch.
*2 Turn on the REC OUT MONO switch.
Table 2-2-9 CH1 INPUT A [dBu]
INPUT
INPUT
level
GAIN PAN
1–2, 3–4,
5–6, 7–8
ASSIGN switch
GROUP TO
ST switch
GROUP TO
MONO switch
GROUP TO
ST PAN 1–8
ST OUT L ST OUT R MONO OUT
CH1 -80 MAX Center ON
*1
ON
*1
OFF
L +12 ± 2 ($) –
–
R – +12 ± 2
OFF ON – – – +12 ± 2
*1 Turn ON one at a time.
Table 2-2-10 CH1 INPUT A [dBu]
INPUT
INPUT
level
GAIN
AUX
PRE
1–2, 3–4,
5–6, 7–8
ST ASSIGN switch
PAN
GROUP
1, 3, 5, 7
AFL
*3, *4
GROUP
2, 4, 6, 8
AFL
*3
AUX 1–8
AFL
*3
ST
AFL
*3
MONO
AFL
*3
ST
PFL
*2
PHONES
OUT L
PHONES
OUT R
CH1 -90
MAX
OFF ON
*1
L
ON
*1
OFF OFF OFF OFF OFF -1.0 ± 2 -1.0 ± 2
OFF OFF ON
*1
OFF OFF OFF +5.0 ± 2 +5.0 ± 2
OFF OFF OFF ON OFF OFF -1.0 ± 2 (#) –
OFF OFF OFF OFF ON OFF -1.0 ± 2 ($) -1.0 ± 2 ($)
OFF OFF OFF OFF OFF ON -11 ± 2 –
R
OFF ON
*1
OFF OFF OFF OFF -1.0 ± 2 -1.0 ± 2
OFF OFF OFF ON OFF OFF – -1.0 ± 2 (#)
OFF OFF OFF OFF OFF ON – -11 ± 2
*1 Turn ON one at a time.
*2 The PFL indicator LED which is located in between the MONITOR control and LED METER, shall light up when the PFL switch is turned on.
*3 The AFL indicator LED which is located in between the MONITOR control and LED METER, shall light up when the AFL switch is turned on.
*4 Check the following for the GROUP 1 only.
Check that the AFL switch signal is muted, the AFL indicator LED in turned off and the PFL indicator LED lights up if the PFL switch of the RETURN 1,
as well as the AFL switch, is turned on. (The PFL indicator LED and AFL indicator LED do not light up simultaneously.)
Check that the difference in the output level between ON and OFF of the RETURN 1 PFL switch is 60 dB or more.
Table 2-2-11 RETURN1–4, 2TR IN, TB [dBu]
INPUT
INPUT
level
GROUP
1, 3, 5, 7
OUT
GROUP
2, 4, 6, 8
OUT
AUX 1–8
OUT
ST
OUT L
ST
OUT R
MONO
OUT
MONITOR
OUT L
*3
MONITOR
OUT R
*3
MATRIX
1–4 OUT
RETURN
L (MONO)
*1
-12
+4.0 ± 2 – +7.0 ± 2
+4.0 ± 2
(#, $)
+4.0 ± 2 +7.0 ± 2 -6.0 ± 2 -6.0 ± 2 –
RETURN
R
*2
– +4.0 ± 2 +1.0 ± 2 No signal
+4.0 ± 2
(#, $)
+1.0 ± 2 No signal -6.0 ± 2 –
2 TR IN L
(MINI jack, RCA PIN)
-23.8
– – –
+4.0 ± 2
*4
(#, $)
– +1.0 ± 2 -6.0 ± 2 – –
2 TR IN R
(MINI jack, RCA PIN)
– – – –
+4.0 ± 2
*4
(#, $)
+1.0 ± 2 – -6.0 ± 2 –
TB MIC
*5
-66 +4.0 ± 2 +4.0 ± 2 +4.0 ± 2
+4.0 ± 2
(##, $)
+4.0 ± 2 +4.0 ± 2 – – 0 ± 2
*1 Do not insert a jack to R.
*2 Check that no signal is input to L (MONO).
*3 Turn on the PFL switch. Check that the PFL indicator LED which is located in between the MONITOR control and LED METER, lights up when
the PFL switch is turned on.
*4 Set the level control of the 2TR IN to MAX.
*5 The LED
fl ashes when the TB ON switch is turned on. Turn ON the AUX 1 – 2, 3 – 4, 5 – 6, 7 – 8, GROUP 1 – 8, ST, MATRIX 1 – 2, 3 – 4 and
ASSIGN switch.
* Check that the difference in the level between the AUX 1 – 4 when signals are input from the RETURN 1 – 4 is 2 dB or less. The same can be
said of the ST L and R when signals are input from the RETURN 1 – 4.