Sony WRR-801A Service Manual page 9

Location of Parts and Controls
Rear Panel
LEVEL
6 5 4 3 2 1
IN(DC 9V OUT) MIC LINE
–38dBm 0dBm
0 10dB
ATT
ANTENNA B TNNER OUTPUT(LINE LEVEL 0dBm) MIX OUTPUT
4 MIX OUTPUT LEVEL switch
5 MIX OUTPUT connector
6 TUNER OUTPUT connectors
1 ANTENNA A, B IN / DC 9V OUT (antenna A, B
input/DC power output) connectors (BNC type)
Connect the supplied antenna or an optional AN-820A
UHF Antenna. To connect two of these units, these
connectors are connected to the ANTENNA OUT
connectors of the WD-820A UHF Antenna Divider.
When the AN-820A is connected, 9 V DC power is
supplied to the antenna's internal booster through these
connectors.
Note
Never short-circuit these connectors.
2 ANTENNA A, B ATT (attenuation) switches
Select the RF attenuation as 0 dB or 10 dB. (Normally,
set the switches to 0 dB.)
3 AC IN connector
Connects to an AC power source with the supplied AC
power cord.
8
1 ANTENNA A, B IN/DC 9V out connector
2 ANTENNA A, B ATT switches
3 AC IN connector
IN(DC 9V OUT)
0 10dB
ATT
ANTENNA A ⁄ AC IN
4 MIX OUTPUT LEVEL switch
Selects the mixed output level as 0 dBm or –38 dBm.
Set this switch according to the input level of the
equipment connected to the tuner.
5 MIX OUTPUT connector (ø6.3 phone balanced
( 1 / inch TRS))
4
Supplies mixed audio signals of six tuner units. You
can connect this to the audio input connector of a
mixer, amplifier or similar equipment.
6 TUNER OUTPUT (tuner sound output)
connectors (ø6.3 phone balanced ( 1 / inch TRS))
4
Each connector supplies the audio signal from the
corresponding tuner unit. You can connect this to the
audio input connector of a mixer, amplifier, or similar
equipment.
Installing a WRU-801A Tuner Unit
Up to five WRU-801A UHF Synthesized Tuner Units
can be installed.
Notes
• Be sure to power this unit off before installing the
WRU-801A.
• The buttons and display on the front panel of the
WRU-801A may be damaged if they are gripped too
strongly. Always hold the WRU-801A by the side.
• Do not touch the connectors on the rear panel of the
WRU-801A.
• Be careful of static electricity.
Installing a WRU-801A
1
2
1
Power the tuner off and remove the blank panel
with a screwdriver or other tool.
2
Hold the WRU-801A by the side and insert into
the slot. Push in until you hear a click.
Removing a WRU-801A
On the bottom panel of the tuner, locate the lever
corresponding to the slot where the WRU-801A is
installed and pull the lever forward. The WRU-801A is
ejected from the slot.
Lever
Bottom Panel
9