CCS800 |
Service manual | Chapter 7 | Diagnostics and faultfinding
en | 28
Bosch Security Systems | 2005-01| 3922 880 21112
7.3.9
LINE-IN to REC-OUT Circuit measurement
Connect a sine-wave generator to the LINE-IN connector and measure the output signal at the RECORDER-OUT (M129)
connector.
Input setting G1: M110 related to M111 (GND), see table below.
Settings for G1
Measurement results for A1
Amplitude
Frequency
Amplification
Nominal level
-14dBV (200mV
rms
)
1kHz
-20dBV ± 2dB (85dB SPL)
Maximum level
+11dBV (1.78mV
rms
)
1 kHz
+5dBV ± 2dB (110dB SPL)
Bandwidth
-14dBV (200mV
rms
)
125 Hz
-0.5dB ± 1dB related to nom. level at 1kHz
Bandwidth -14dBV
(200mV
rms
)
12.5 kHz
-0.5dB ± 1dB related to nom. level at 1kHz.
Reference:
M129
See Ch. 13.6