Adjustments - Sony UWP-V1 Service Manual

2-5-2. Adjustments

This section describes adjustments and checks which must be
completed to assure that the specifications are complied with.
Make adjustment and checks following the procedure below:
1. Power Supply Voltage Check
2. Carrier Frequency Adjustment
3. RF Power Output Adjustment
4. Reference Frequency Deviation Adjustment
5. Maximum Frequency Deviation Adjustment
6. Distortion Ratio Check
7. S/N Check
8. Frequency Characteristics Check
9. Tone Signal Adjustment
10. Spurious Emissions Check
11. Occupied Band Width Check
Preparation
1. When adjustments are performed, remove the MB-1094
board from UTX-P1 unit.
(Refer to the Section 1-1-6. for removal.)
2. Connect the SMA-BNC conversion connector (J-6402-
480-A) and the MM-SMA conversion connector (J-
6402-490-A) to the antenna terminal (CN101) on the
MB-1094 board as shown below.
SMA-BNC conversion connector
MM-SMA conversion connector
CN101
UWP Series
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
MB-1094 board (A side)
3. Connecting the DC power supply
Supply the DC power to the battery terminal on MB-
1094 board using the wires as below.
DC regulated power supply
(DC output voltage : + 3.0 ±0.1 V)
DC ammeter
Check
After the DC power supply connection is complete, set
the power switch (S301) to ON, and check the level on
DC ammeter.
DC ammeter indication level: 150 to 220 mA
Switch and Control Initial Setting
MB-1094 board
Switch and Control Setting
U30 model ; 30-01 channel (566.125 MHz)
U42 model ; 42-01 channel (638.125 MHz)
U6264 model ; 62-01 channel (758.125 MHz)
U6668 model ; 66-01 channel (782.125 MHz)
CE62 model ; Group 00, 62-01 channel (798.125 MHz)
CE67 model ; Group 00, 67-01 channel (838.125 MHz)
Attenuation setting
Accumulated time setting
MIC/LINE Select Switch (S1) : MIC
n
Note down the setting position before the adjustment.
After the Adjustment complete, set the original position.
Lead wire
Lead wire
FL301
BATT
(+)
GND
MB-1094 board (B side)
: 0 dB
: "00 : 00"
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