SERVICE MANUAL
LBB 3310/00, 3330/00 and 3331/00 page: 16 Date of issue:
4822 861 11006 July 1998
10.2.6 External Microphone input to Line out (balanced)
Noise level
Measure the noise, A-weighted & rms, at LINE-OUT via M119, related to M2 (GND):
Noise level (A-weighted): < -74 dBV.
629548 27
25Ω
X205
M119
X150X110
X10
AC
24V DC
Power Supply
90 ... 264V AC
~~
Loudspeaker
PCB CPSU
M110 M111 M121 M122 M124 M150 M151
M2
(GND) (GND) (GND)
X110
+
-
M1
V
Line-OUT
5
9
003_004.cdr
LR IN
Rec-INLine-IN Rec-IN Telephone
Figure 4
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