Sony WRR-862A, Service Manual, Page: 27 / 96

3-13
WRR-862A/862B
Tuner 1
LCD
Tuner 1
RF indicator
Tuner 2
LCD
A-RF-B A-RF-B
Tuner 2
RF indicator
(6) Change the RF OUTPUT (Output level) of the signal
generator as shown below.
RF OUTPUT (Output level) :10 dB
u
V
EMF
(=
_
103 dBm)
(7) Check that RF Indicator LED light (red) goes off and
“NO TONE” message will not appear on LCD (Tuner
1).
(8) Increase gradually the RF OUTPUT (output level) of
the signal generator. Check that RF OUTPUT (output
level) is 20 dB
u
V
EMF
±
5 dB at when RF Indicator lights
(red LED) and “NO TONE” message appears on LCD
(Tuner 1).
(9) Connect the signal generator to the ANT b connector,
and perform the procedures (3) through (8) above.
(10)Set the channel setting (Tuner 1) and FREQUENCY
(Carrier frequency) of the signal generator as shown
1
and
2
below.
Perform the procedures (3) to (9) above, for each
channel setting (
1
and
2
).
1
Channel setting :
CE21 model :Group 00, 2101 channel (470.125 MHz)
CE33 model :Group 00, 3301 channel (566.125 MHz)
CE62 model :Group 00, 6201 channel (798.125 MHz)
CE67 model :Group 00, 6701 channel (838.125 MHz)
U1416 model :Group 00, 1401 channel (470.125 MHz)
U3032 model :Group 00, 3001 channel (566.125 MHz)
U4244 model :Group 00, 4201 channel (638.125 MHz)
U6264 model :Group 00, 6201 channel (758.125 MHz)
U6668 model :Group 00, 6601 channel (782.125 MHz)
AU66 model :Group 00, 6601 channel (792.250 MHz)
Signal generator setting
FREQUENCY(Carrier frequency):
CE21 model : 470.125 MHz
CE33 model : 566.125 MHz
CE62 model : 798.125 MHz
CE67 model : 838.125 MHz
U1416 model : 470.125 MHz
U3032 model : 566.125 MHz
U4244 model : 638.125 MHz
U6264 model : 758.125 MHz
U6668 model : 782.125 MHz
AU66 model : 792.250 MHz
2
Channel setting :
CE21 model : Group 00, 2363 channel (493.875 MHz)
CE33 model : Group 00, 3563 channel (589.875 MHz)
CE62 model : Group 00, 6463 channel (821.875 MHz)
CE67 model : Group 00, 6964 channel (862.000 MHz)
U1416 model : Group 00, 1747 channel (493.875 MHz)
U3032 model : Group 00, 3347 channel (589.875 MHz)
U4244 model : Group 00, 4547 channel (661.875 MHz)
U6264 model : Group 00, 6547 channel (781.875 MHz)
U6668 model : Group 00, 6947 channel (805.875 MHz)
AU66 model : Group 00, 6751 channel (865.500 MHz)
Signal generator setting
FREQUENCY(Carrier frequency):
CE21 model : 493.875 MHz
CE33 model : 589.875 MHz
CE62 model : 821.875 MHz
CE67 model : 862.000 MHz
U1416 model : 493.875 MHz
U3032 model : 589.875 MHz
U4244 model : 661.875 MHz
U6264 model : 781.875 MHz
U6668 model : 805.875 MHz
AU66 model : 865.500 MHz
Step 2. Tuner 2 Checking
(1) Set the CONTROL switch (S1601) to “2”.
(2) Connect the signal generator to the ANT a connector.
(3) Set the channel setting as follows;
.
Tuner 2 channel setting
Same as “1. Switch and Control Initial Setting” on
page 3-2.
n
Set the Tuner 1 to channel setting different from the
above Tuner 2 channel setting.
(4) Perform the checking from the procedures (4) to (10) in
“Step 1. Tuner 1 checking”.
When performing the above described checking, change
the following detail as shown below.
Tuner 1
→
Tuner 2