Philips CCS 800 Service Manual page 17

Nominal level and bandwidth
Insert a sine wave signal to the AUDIO-CONTR via M1 related to M2 and measure the output signal between M59 and
M57.
G1
+
Audio Contr.
Sine-Wave
GND
Generator
-
Nominal level -36 dBV (15.8 mVrms)
Bandwidth -36 dBV (15.8 mVrms)
Bandwidth -36 dBV (15.8 mVrms)
LBB 3310/00, 3330/00 and 3331/00
4822 861 11006
90 ... 264V AC
~ ~
AC
24V DC
X10
Trunk
X11
M1
SHIELD
M2
(GND)
M110 M111
X110 6 9
Line-IN
settings for G1
Amplitude
Power Supply
PCB CPSU
Loudspeaker
25Ω
(GND)
M121 M122 M124 M150 M151
4 8 2 7
Rec-IN Rec-IN Telephone
L R
Figure 3
Frequency
1 kHz -7.8 dBV +/- 1.5dB (72 dB SPL)
125 Hz -8 dBV +/- 2 dB related to nom level at 1 kHz.
12.5 kHz -3dB +/- 1.0dB related to nom. level at 1kHz.
page: 15
SERVICE MANUAL
X205 M59
+
M57
-
(GND)
2 5 X150
IN
measurement results for A1
sound level
A1
V
003_003.cdr
Date of issue:
July 1998