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3-3. SY-253 Board Adjustment
3-3-1. Audio Output Level (L) Adjustment
Preparation
. S602 (D-1)/SY-253 board → 20
. S601 (E-1)/SY-253 board → +4
. Menu setting
(1) Open the "Service : Boards Slot n" menu.
(2) Select "-7-" (SY-253 board) using
(3) Set "Moni Slot Sel" to slot number in which the DEC
board.
Adjustment procedure
1. Input a _20 dB FS signal of 1 kHz from the AES/EBU
IN connector on the ENC-47 or ENC-51 board, and
record it.
2. Reproduce the recorded signal.
3. Equipment : Oscilloscope or audio level meter
Test point : MONITOR OUT L connector/SY-253 board
(in 600 Z load)
Adj. point : 1RV601 (D-1)/SY-253 board
3470 ± 40 mV p-p (4.0 ± 0.1 dBm)
Spec.:
7
5
8
6
SY-253 board (A side)
MAV-70
and
buttons.
3470 ±40 mV p-p
4
3
2
1
A
B
C
RV602
1
1
D
RV601
E
F
G
H
3-3-2. Audio Output Level (R) Adjustment
Preparation
. S604 (D-1)/SY-253 board → 20
. S603 (E-1)/SY-253 board → +4
. Menu setting
(1) Open the "Service : Boards Slot n" menu.
(2) Select "-7-" (SY-253 board) using
(3) Set "Moni Slot Sel" to slot number in which the DEC
board.
Adjustment procedure
1. Input a _20 dB FS signal of 1 kHz from the AES/EBU
IN connector on the ENC-47 or ENC-51 board, and
record it.
2. Reproduce the recorded signal.
3. Equipment : Oscilloscope or audio level meter
Test point : MONITOR OUT R connector/SY-253 board
(in 600 Z load)
Adj. point : 1RV602 (D-1)/SY-253 board
3470 ± 40 mV p-p (4.0 ± 0.1 dBm)
Spec. :
Setting after adjustment
Return the setting of switches and menus to the former
state.
3-3. SY-253 Board Adjustment
and
buttons.
3-7 (E)
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