SERVICE MANUAL
LBB 3310/00, 3330/00 and 3331/00
page: 22
Date of issue:
4822 861 11006
July 1998
10.2.9 REC-IN-L and REC-IN-R to REC-OUT Circuit.
Noise level
Measure the noise, A-weighted & rms, at REC-OUT (M129) related to M2 (GND):
Noise level (A-weighted): < -90dBV.
6
2
9
5
4
8
2
7
25
Ω
X205 M129
X150
X110
X10
AC
24V DC
Power Supply
90 ... 264V AC
~
~
Loudspeaker
PCB CPSU
M110 M111
M121
M122 M124
M150 M151
M2
(GND)
(GND)
(GND)
L
R
IN
Rec-IN
Line-IN
Rec-IN
Telephone
+
-
A1
V
003_010.cdr
Figure 10
Содержание CCS 800
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