
3-11
WRR-855B
Switch and Control Setting
Channel setting:
CE21 model; Group 00, 22-32 channel (482.000 MHz)
CE33 model; Group 00, 34-32 channel (578.000 MHz)
CE62 model; Group 00, 63-32 channel (810.000 MHz)
CE67 model; Group 00, 68-32 channel (850.000 MHz)
U14 model; Group 00, 16-01 channel (482.125 MHz)
U30 model; Group 00, 32-01 channel (578.125 MHz)
U42 model; Group 00, 44-01 channel (650.125 MHz)
U62 model; Group 00, 64-01 channel (770.125 MHz)
U66 model; Group 00, 68-01 channel (794.125 MHz)
MUTING: OFF
Procedure
(1) Connect the audio analyzer to the AF OUT (power supply/AF
OUT connector) of D-sub 15 pin connector via the MIC amp.
(2) Connect the signal genarator to the ANT IN A connector,
and set the Signal generator as follows:
Signal generator setting
FREQUENCY (Carrier frequency) :
CE21 model; 482.000 MHz
CE33 model; 578.000 MHz
CE62 model; 810.000 MHz
CE67 model; 850.000 MHz
U14 model;
482.125 MHz
U30 model;
578.125 MHz
U42 model;
650.125 MHz
U62 model;
770.125 MHz
U66 model;
794.125 MHz
RF OUTPUT (output level) : 60 dB
µ
V
EMF
( =
_
53 dBm)
MODULATION : 1 kHz
DEVIATION
:
±
5 kHz
(3) Adjustment (ANT IN A side adjustment)
Specification :
Output level
(level meter indication level) =
_
40 dBm
±
0.2 dB (600
Z
loaded )
Adjustment
:
1
RV201/TUN-8 board
(4) Connect the signal generator to the ANT IN B connector.
(5) Adjustment (ANT IN B side adjustment)
Specification :
Output level
(level meter indication level) =
_
40 dBm
±
0.2 dB ( 600
Z
loaded )
Adjustment
:
1
RV202/TUN-8 board
n
The output level difference between the ANT IN A
side and the ANT IN B side should be within 0.3 dB.
7. S/N Check
Equipment and Tools
• DC power supply:
+
7.0
±
0.1 Vdc
• Audio analyzer (level meter, distortion meter)
• MIC amp (Noise meter) with A-weighted filter
• Oscilloscope
• Adjuster (0.4
x
1.3 mm) : 1 (Part No. 7-221-652-81)
• Power supply/AF OUT connector
(Refer to the ''How to make power supply/AF OUT
connector" on page 3-1.)
Connection
Same as ''5. FM Detector Adjustment".
Switch and Control Setting
Channel setting:
CE21 model; Group 00, 22-32 channel (482.000 MHz)
CE33 model; Group 00, 34-32 channel (578.000 MHz)
CE62 model; Group 00, 63-32 channel (810.000 MHz)
CE67 model; Group 00, 68-32 channel (850.000 MHz)
U14 model;
Group 00, 16-01 channel (482.125 MHz)
U30 model;
Group 00, 32-01 channel (578.125 MHz
U42 model;
Group 00, 44-01 channel (650.125 MHz)
U62 model;
Group 00, 64-01 channel (770.125 MHz)
U66 model;
Group 00, 68-01 channel (794.125 MHz)
MUTING: OFF
Procedure
(1) Connect the audio analyzer to the AF OUT (power supply/AF
OUT connector) of D-sub 15 pin connector via the MIC amp.
ANT IN A side adjustment
(2) Connect the signal genarator to the ANT IN A connec-
tor, and set the signal generator as follows:
Signal generator setting
FREQUENCY (Carrier frequency) :
CE21 model; 482.000 MHz
CE33 model; 578.000 MHz
CE62 model; 810.000 MHz
CE67 model; 850.000 MHz
U14 model; 482.125 MHz
U30 model; 578.125 MHz
U42 model; 650.125 MHz
U62 model; 770.125 MHz
U66 model; 794.125 MHz
RF OUTPUT (Output level): 60 dB
µ
V
EMF
( =
_
53 dBm)
MODULATION :
±
1 kHz
DEVIATION
:
±
5 kHz
Summary of Contents for WRR-855B
Page 1: ...UHF SYNTHESIZED TUNER UNIT WRR 855B SERVICE MANUAL 1st Edition Revised 2 ...
Page 4: ...2 WRR 855B 8 Schematic Diagrams TUN 8 8 1 CPU 342 8 8 DP 236 8 10 SW 814 8 10 ...
Page 10: ...1 6 WRR 855B Sony Corporation Printed in Japan ...
Page 38: ......
Page 58: ......
Page 67: ...7 1 WRR 855B 7 1 Section 7 Board Layouts ...
Page 83: ......
Page 84: ...Printed in Japan Sony Corporation 2006 6 16 2001 WRR 855B U CE E 9 976 898 03 ...