Tascam DA-P1 - Monitor System Measurements; LINE Input;Output Level; Monitor Frequency Response; Headphone Output Level

2. Monitor System
Mode : Input Monitor
Measurement
points
:
LINE
OUT
(except
otherwise
specified)
DA-P
Adjustment Item
Preliminary
Input Signal
Adjustment Point
Measurement Method / Value Adjusted
Turn the INPUT control, and |
response
3. Headphone output
level
4, Limiter
Filter : OUT
~10dBV (RCA LINE)
+4dBm (XLR LINE)
-60dBm (XLR MIC)
1.
LINE
nominal
input
|
Connection
:
Fig.
6-10|
1kHz,
INPUT
/output
level
+6dBV
(RCA
LINE)
control
set
the
level
at
which
the
INPUT
control
:MIN
+20dBm
(XLR
LINE)
OVER
indicator
of
the
level
Filter
:
OUT
-44dBm
(XLR
MIC)
meter
almost
lights.
The
output
-24dBm
(XLR
MIC,
level
at
this
point
should
be
as
PAD ON) follows :
+6+1 dBV (10 kQ load)
2.
Monitor
frequency
|
Connection
:
Fig.
6-10]
20Hz~20kHz,
Check
only
When
the
frequency
is
varied
as follows, check the output
level with respect to the 1 kHz
output level :
20H2~20kHz : + 0.5dB (LINE)
20Hz— 20kliz :«0.5/-1.5dB (MIC)
1kHz, - 10dBV
(RCA LINE)
PHONES knob
With the INPUT control in the
condition of item 1, the
PHONES output level when the
PHONES knob is turned should
be as follows :
15 mW/32 Q
(3% distortion point)
1kHz, - 34dBm
(XLR. MIC)
R102/R202
on the MAIN
PCB
(Fig. 6-1)
+3.5 +1 dBV output when the
INPUT controls are set the
same as in item 1 and
LIMITER switch is set to ON.
(Adjustment must be repeated
for each channel, separately.)
5. Phantom Power
ANALOG INPUT
Switch : MIC
PHANTOM Switch :
ON
Check only
48 +5 У (not loaded) between
pins 2 (HOT) and 1 (GND),
and pins 3 (COLD) and 1
(GND) of the MIC/LINE IN
connectors.
31