2-64
UWP Series
5.
Check the indication on the audio analyzer (level meter).
6.
Set the SENSITIVITY on the audio analyzer (level
meter) so that the audio analyzer (level meter) reads 0 dB.
7.
Switch the oscillation frequency for the audio analyzer
(oscillator) from 1 kHz to 150 Hz.
8.
Check that audio analyzer (level meter) reading is
_
1
±
1 dB.
9.
Switch the oscillation frequency for the audio analyzer
(oscillator) from 150 Hz to 15 kHz.
10. Check that the reading for the audio analyzer (level
meter) is 2.5
±
1 dB.
9. Tone Signal Adjustment
Equipment and Tools
.
DC power supply
DC output voltage :
+
3.0
±
0.1Vdc
.
DC current meter
.
Frequency counter
.
Spectrum analyzer
.
Modulation analyzer
.
RF adjusting cable (SONY part No. 7-721-052-81)
.
MM-SMA conversion connector
(SONY Part No. J-6402-490-A)
.
SMA-BNC conversion connector
(SONY Part No. J-6402-480-A)
Switch and Control Setting
MB-1094 board
Transmission channel
U30 model
; 32-01 channel (578.125 MHz)
U42 model
; 44-01 channel (650.125 MHz)
U6264 model ; 64-01 channel (770.125 MHz)
U6668 model ; 68-01 channel (794.125 MHz)
CE62 model
; Group 00, 63-32 channel (810.000 MHz)
CE67 model
; Group 00, 68-32 channel (850.000 MHz)
Attenuation setting
: 0 dB
Accumulated time setting
: “00 : 00”
MIC/LINE Select Switch (S1) : MIC
n
Note down the setting position before the adjustment.
After the Adjustment complete, set the original position.
8. Frequency Characteristics Check
Equipment and Tools
.
DC power supply
DC output voltage :
+
3.0
±
0.1Vdc
.
DC ammeter
.
Audio analyzer
.
Modulation analyzer
MEASUREMENT
: FM
MEASUREMENT RANGE :
±
40 kHz
HPF
: 50 Hz
LPF
: 15 kHz or 20 kHz
DE EMPHASIS
: 50
u
sec
.
Oscilloscope
.
MM-SMA conversion connector
(SONY Part No. J-6402-490-A)
.
SMA-BNC conversion connector
(SONY Part No. J-6402-480-A)
Switch and Control Setting
MB-1094 board
Transmission channel
U30 model
; 32-01 channel (578.125 MHz)
U42 model
; 44-01 channel (650.125 MHz)
U6264 model ; 64-01 channel (770.125 MHz)
U6668 model ; 68-01 channel (794.125 MHz)
CE62 model
; Group 00, 63-32 channel (810.000 MHz)
CE67 model
; Group 00, 68-32 channel (850.000 MHz)
Attenuation setting
: 0 dB
Accumulated time setting
: “00 : 00”
MIC/LINE Select Switch (S1) : MIC
n
Take note of the settings before starting the confirmation
work.
After confirmation is completed, return the settings to
the original setting before change.
Connections
.
Same as “6. Distortion Ratio Check”.
.
For connecting the DC power supply, refer to step
“3. Connecting the DC power supply” in Section 2-6-2.
Procedure
1.
Connect the audio analyzer (level meter) to the AF-
OUT connector for the modulation analyzer.
2.
Set the modulation analyzer.
3.
Set the audio analyzer to level meter mode.
4.
Input 1 kHz,
_
65 dBV (
_
62.2 dBm) signal to the AF
INPUT connector from audio analyzer (oscillator).
Summary of Contents for UWP-V1
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Page 94: ...3 6 UWP Series URX M2 3 2 3 URX M2 4 9 11 6 10 10 2 3 1 8 8 9 5 7 ...
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Page 131: ...4 1 UWP Series 4 1 Section 4 Block Diagrams and Circuit Descriptions ...
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Page 164: ...Printed in Japan Sony Corporation 2008 6 16 2008 UWP V1 V2 V6 X7 X8 U CE KR E 9 976 937 01 ...