Sony UWP-V1, Service Manual

Page: 53 / 164

2-33
UWP Series
1 2 3 4 5 6
ANTENNA
A IN
ANTENNA B IN
TUNER
OUTPUT 1
600 Z
balance
input
Oscilloscope
Signal
generator
DC cut fixture
MB-X6/MB-806
Tuner slot
DC cut fixture
Audio
analyzer
MIC amp
Function
generator
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
.
Tuner base unit MB-X6/MB-806
.
Signal generator
. Audio analyzer
. Mic amp (Noise meter) with A-weighted filter
.
Oscilloscope
.
DC current meter
. DC cut fixture (See “How to make DC cut fixture” on
page 2-28)
Connection
27. Indication on the LCD (URX-M2, Tuner
[1]
) appears
as follows :
LCD :
Model LCD message
U30 U30
U42
U42
CE62
CE62
CE67
CE67
KR HELLO
28. Adjustment is completed. (Normal operation mode)