Sony UWP-V1 Service Manual page 68

5. Overall Characteristics Check
Perform the overall characteristics check according to the
following procedure.
Procedure
(1) Output Level Check
(2) S/N Check
(3) Frequency Characteristic Check
(4) Distortion Ration Check
(5) RF Squelch Level/RF Indicator Check
(6) RF Level Indicator Check
(7) AF Level Indicator/AF Indicator Check
(8) Tone Squelch Check
Equipment and Tools
. Signal generator
. Function generator
. Audio analyzer
. Mic amp
. Oscilloscope
. DC current meter
. MM-SMA conversion connector : (Part No. J-6402-490-A)
. RF adjusting cable : (Part No. J-6402-390-A)
. AF output cable : (Part No. 1-792-249-11)
Connection
Audio
analyzer
Oscilloscope
Signal Make it as short
generator as possible.
Function
generator
Connect GND of all
equipment within the
shortest possible length.
RF adjusting
cable
MM-SMA
conversion
MM-SMA
connector
conversion
connector
RF-130 board
(A side)
CN101 or CN201
2-48
Make it as short
as possible.
MIC
(Connect directly
amplifier
if possible)
RF
AF output
adjusting
cable
cable
Monitor
Output
Ant-b
(CN101)
RV181 RV281
Ant-a
(CN201)
(1) Output Level Check
1. Set the URX-P2 as follows :
Channel setting :
U30 model ;Group 03, 3201 channel (578.125 MHz)
U42 model ;Group 03, 4401 channel (650.125 MHz)
CE62 model ;Group 04, 6332 channel (810.000 MHz)
CE67 model ;Group 04, 6832 channel (850.000 MHz)
KR model ;Group 12, 6001 channel (746.125 MHz)
RF Squelch : OFF (For setting, refer to "Setting the
Squelch OFF mode" on page 2-42)
Monitor level: MON.01 (minimum value)
2. Connect an audio analyzer to the OUTPUT connector
via the MIC amplifier (with the 0 dB gain setting).
3. Connect the signal generator to the CN201/RF-130
board with the MM-SMA conversion connector and
the RF adjusting cable.
4. Set the signal generator as follows :
Signal generator setting
U30 model ; 578.125 MHz
U42 model ; 650.125 MHz
CE62 model ; 810.000 MHz
CE67 model ; 850.000 MHz
KR model ; 746.125 MHz
RF OUTPUT (Output level) : 60 dBuV
MODULATION (Modulation frequency) : 100 Hz
DEVIATION (Frequency deviation)
5. Check that the OUTPUT connector output level is _46
dBm ± 0.5 dB (at 600 Z loaded).
6. Connect the signal generator to the CN101/RF-130
board with the MM-SMA conversion connector and the
RF adjusting cable.
7. Perform the procedures 4 to 5 above.
n
The output level difference between the ANTENNA A
IN side and the ANTENNA B IN side should be
within 0.5 dB.
(= _53 dBm)
EMF
: ± 10 kHz
UWP Series