Sony WRR-801A Service Manual page 22

(12)Connect the signal generator to the ANTENNA A
connector with DC cut fixture. Set the FREQUENCY
(carrier frequency) of the signal generator as follow.
EQUENCY (carrier frequency); 800.000 MHz
(13)Check first that indication "L" of "AC2L" on the LCD
(Tuner [1]) has disappeared, and then press the "SET"
button on the front panel (Tuner [1]).
(14)Indication on the LCD (Tuner [1]) appears as follows:
LCD:
B C2 L
(15)Connect the signal generator to the ANTENNA B IN
connector with DC cut fixture.
(16)Check first that indication "L" of "BC2L" on the LCD
(Tuner [1]) has disappeared, and then press the "SET"
button on the front panel (Tuner [1]).
(17)Indication on the LCD (Tuner [1]) appears as follows:
LCD:
A C3 L
(18)Connect the signal generator to the ANTENNA A IN
connector with DC cut fixture. Set the FREQUENCY
(carrier frequency) of the signal generator as follow.
EQUENCY (carrier frequency); 804.000 MHz
(19)Check first that indication "L" of "AC3L" on the LCD
(Tuner [1]) has disappeared, and then press the "SET"
button on the front panel (Tuner [1]).
(20)Indication on the LCD (Tuner [1]) appears as follows:
LCD:
B C3 L
3-4
(B C2 L)
(A C3 L)
(B C3 L)
(21)Connect the signal generator to the ANTENNA B IN
connector with DC cut fixture.
(22)Check first that indication "L" of "BC3L" on the LCD
(Tuner [1]) has disappeared, and then press the "SET"
button on the front panel (Tuner [1]).
(23)Indication on the LCD (Tuner [1]) appears as follows:
LCD:
U68
Adjustment is completed. (Normal operation mode)
Step 3: Tuner [2] to Tuner [6] adjustment
When the TUNER UNIT WRU-801A is installed in the
Tuner [2] (Tuner unit 2) to Tuner [6] (Tuner unit 6) of the
WRR-801A, perform the adjustments from procedures (1)
to (23) of "Step 2. Tuner [1] (Tuner unit 1) Adjustment"
on the respective tuner units that are installed in the WRR-
801A.
When performing the above described adjustments change
the following details as shown below, of the "Step 2. Tuner
[1] (Tuner unit 1) Adjustment."
Tuner [1] → Tuner [2], [3], [4], [5], and [6]
Tuner unit 1 → Tuner unit 2, 3, 4, 5, and 6
(U68)
WRR-801A
WRU-801A