Read Panasonic WR-X22NL / WR-X22NH Service Manual online
1. Test Equipment Required
The following Test Equipments are required for Adjust-
ment of the Audio Mixer WR-X22NL and WR-X22NH.
ment of the Audio Mixer WR-X22NL and WR-X22NH.
8
Audio Analyzer (VP-7720A or equivalent)
8
Adjustment Driver
2. Disassembling Procedure for
Adjustment
8
Referring to Fig. 2-1, remove five screws that secure the
Jack Panel and remove the Jack Panel.
Jack Panel and remove the Jack Panel.
8
Remove five screws that secure the Upper Panel and
remove the Upper Panel.
remove the Upper Panel.
– 5 –
Fig. 2-1
Remove five screws
Remove five
screws
screws
Jack Panel
Upper Panel
ADJUSTMENT PROCEDURE
Caution:
Follow the operating instructions for the power con-
trol unit before using it.
trol unit before using it.
#2
Pattern Control Input/Output Connectors [PATTERN
CONTROL IN/OUT]
CONTROL IN/OUT]
Calls a pattern of a connected device and a pattern of
this unit from other devices by connecting the connector
to other devices.
this unit from other devices by connecting the connector
to other devices.
IN [input]:
Is used when the unit is controlled from other
devices.
(Make contact input 8 channels)
(Make contact input 8 channels)
OUT [output]:
Is used when other devices are con-
trolled.
(Make contact output 8 channels)
(Make contact output 8 channels)
#3
Recording Output Jacks [REC OUT L/R]
Allows a stereo cassette recorder, MD recorder, etc. to
function. The jack transmits signals of main 1 output
prefader.
function. The jack transmits signals of main 1 output
prefader.
Stereo:
1 circuit
Output jack:
PIN jack unbalanced
Output level:
–10 dB
Applicable impedance:
10 k
Ω
or more
#4
Return Input Jack [RETURN]
Receives output signals from an external echo machine
or other devices.
or other devices.
Mono:
1 circuit
Input jack:
Phone jack unbalanced
Input level:
+4 dB
Impedance:
10 k
Ω
#5
Sending Output Jack [SEND]
Transmits signals to an external echo machine or other
devices.
devices.
Mono:
1 circuit
Output jack:
Phone jack unbalanced
Output level:
+4 dB
Applicable impedance:
10 k
Ω
or more
#6
Sub Input Jack [SUB IN]
Connects the output signals of sub mixer, etc.
Mono:
1 circuit
Output jack:
Phone jack unbalanced
Output level:
+4 dB
Impedance:
10 k
Ω
#7
Stereo Input Jack (1 to 4) [STEREO INPUT 1 to 4 L/R]
Up to 4 channels such as CD player, cassette deck, MD
player, etc. can be connected. Input sensitivity can be
selected by the level switch !1 on the front panel.
player, etc. can be connected. Input sensitivity can be
selected by the level switch !1 on the front panel.
Stereo:
4 circuits
Input connector:
PIN jack unbalanced
Input level:
+10 dB/0 dB/–10 dB
Impedance:
10 k
Ω
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