Sony UWP-V1 Service Manual page 50

5. Adjustment (ANTENNA B IN side adjustment)
Point : TUNER OUTPUT 1
Specification : Output level (level meter indication
level) = _20 dBm ± 0.5 dB (at 600 Z
loaded)
Adjustment : 1RV402/MB-1129 board (URX-M2)
n
The output level difference between the ANTENNA A
IN side and the ANTENNA B IN side should be within
0.5 dB.
After Completing Adjustment
1. Turn off the MB-X6/MB-806 power switch.
2. Remove the tuner unit URX-M2 to be adjusted from
the MB-X6/MB-806.
3. Attach the upper side case lid to the tuner unit URX-M2.
2-30
4. RF Squelch Level/RF Indicator Level
Adjustment
Perform this adjustment when Muting levels deviate from
the specification.
This adjustment is performed automatically by the learning
function of the URX-M2 RSSI learning.
m
. The adjustment is performed using as Tuner base unit
MB-X6/MB-806.
. Perform the adjustment with the URX-M2 installed in the
MB-X6/MB-806.
Preparation
1. Turn off the POWER switch of the MB-X6/MB-806.
2. Insert the URX-M2 to theTuner [1] slot of the MB-
X6/MB-806.
Equipment and Tools
. Tuner base unit MB-X6/MB-806
. Signal generator
. DC cut fixture (See the "How to make DC cut fixture"
on page 2-28)
Connection
Signal
generator
DC cut fixture
ANTENNA A IN
1
DC cut fixture
ANTENNA B IN
MB-X6/
MB-806
2 3 4 5 6
Tuner slot
UWP Series