Read Panasonic WR-X22NL / WR-X22NH Service Manual online
8
Supply the Audio signal (1 kHz, –60 dB, Output imped-
ance 50
ance 50
Ω
) to the Mono Input Connector 1 (MONO
INPUT 1) on the Jack Panel from the Audio Analyzer.
8
Press the MAIN 1 of the Assign Switches. (Light on)
8
While observing the Audio Analyzer, set the Main Output
Fader 1 (MAIN OUT 1) so that the Output Level from the
Main Output Connector 1 (MAIN OUT 1 L/R) with 100 k
Fader 1 (MAIN OUT 1) so that the Output Level from the
Main Output Connector 1 (MAIN OUT 1 L/R) with 100 k
Ω
termination becomes +4 dB.
8
While observing the MAIN 1 on the Output Level Meters,
adjust VR1 to the point where "0" position LED (Red
colour LED) just lights up as shown in Fig. 4-1.
adjust VR1 to the point where "0" position LED (Red
colour LED) just lights up as shown in Fig. 4-1.
8
Press the MAIN 1 of the Assign Switches again.
(Light off)
(Light off)
8
Press the MAIN 2 of the Assign Switches. (Light on)
8
While observing the Audio Analyzer, set the Main Output
Fader 2 (MAIN OUT 2) so that the Output Level from the
Main Output Connector 2 (MAIN OUT 2 L/R) with 100 k
Fader 2 (MAIN OUT 2) so that the Output Level from the
Main Output Connector 2 (MAIN OUT 2 L/R) with 100 k
Ω
termination becomes +4 dB.
8
While observing the MAIN 2 on the Output Level Meters,
adjust VR2 to the point where "0" position LED (Red
colour LED) just lights up as shown in Fig. 4-1.
adjust VR2 to the point where "0" position LED (Red
colour LED) just lights up as shown in Fig. 4-1.
8
Press the MAIN 2 of the Assign Switches again.
(Light off)
(Light off)
8
Press the SUB 1 of the Assign Switches. (Light on)
8
While observing the Audio Analyzer, set the Sub Output
Adjuster 1 (SUB OUT 1) so that the Output Level from the
Sub Output Connector 1 (SUB OUT 1) with 100 k
Adjuster 1 (SUB OUT 1) so that the Output Level from the
Sub Output Connector 1 (SUB OUT 1) with 100 k
Ω
termi-
nation becomes +4 dB.
8
While observing the SUB 1 on the Output Level Meters,
adjust VR3 to the point where "0" position LED (Red
colour LED) just lights up as shown in Fig. 4-1.
adjust VR3 to the point where "0" position LED (Red
colour LED) just lights up as shown in Fig. 4-1.
8
Press the SUB 1 of the Assign Switches again. (Light off)
8
Press the SUB 2 of the Assign Switches. (Light on)
8
While observing the Audio Analyzer, set the Sub Output
Adjuster 2 (SUB OUT 2) so that the Output Level from the
Sub Output Connector 2 (SUB OUT 2) with 100 k
Adjuster 2 (SUB OUT 2) so that the Output Level from the
Sub Output Connector 2 (SUB OUT 2) with 100 k
Ω
termi-
nation becomes +4 dB.
8
While observing the SUB 2 on the Output Level Meters,
adjust VR4 to the point where "0" position LED (Red
colour LED) just lights up as shown in Fig. 4-1.
adjust VR4 to the point where "0" position LED (Red
colour LED) just lights up as shown in Fig. 4-1.
8
Press the SUB 2 of the Assign Switches again. (Light off)
Fig. 4-1
– 6 –
3. Connection for Adjustment
8
The Fig. 3-1 shows the connecting diagram for the
Adjustment Procedure.
Adjustment Procedure.
Fig.3-1
8
Connect the OUT terminal on the Audio Analyzer to the
Mono Input Connector 1 (MONO INPUT1) on the Jack
Panel of WR-X22NL or WR-X22NH.
Mono Input Connector 1 (MONO INPUT1) on the Jack
Panel of WR-X22NL or WR-X22NH.
8
Connect the IN terminal on the Audio Analyzer to the
Main, Sub Output Connectors on the Jack Panel of WR-
X22NL or WR-X22NH with 100 k
Main, Sub Output Connectors on the Jack Panel of WR-
X22NL or WR-X22NH with 100 k
Ω
termination.
4. Adjustment Procedure
8
Refer to the Location of Test Points and Adjusting
Controls on the page 7.
Controls on the page 7.
(1). Output Level Meters Lighting Level
Adjustment
Test Points: Main Output Connectors
(MAIN OUT 1 L/R, MAIN OUT 2 L/R)
Sub Output Connectors
(SUB OUT 1, SUB OUT 2)
on the Jack Panel
Adjusts:
VR1 (MAIN OUTPUT 1)
Control Board
VR2 (MAIN OUTPUT 2)
Control Board
VR3 (SUB OUTPUT 1)
Control Board
VR4 (SUB OUTPUT 2)
Control Board
Observe:
Output Level Meters
on the Front Panel
8
Set the Switches and Controls on the Front Panel as fol-
lows.
Level Switch for Mono Input 1 (MONO 1)
lows.
Level Switch for Mono Input 1 (MONO 1)
(INPUT MIC/LINE).....................................................MIC
Trim Adjuster for Mono Input 1 (MONO 1)
(INPUT 0 to 10) ............................................................10
Equalizer Knobs for Mono Input 1 (MONO 1)
(HIGH –6 to +6) .....................................................Center
(LOW –15 to +15)..................................................Center
(LOW –15 to +15)..................................................Center
Assign Switches for Mono Input 1 (MONO 1)
(MAIN 1, MAIN 2, SUB 1, SUB 2) .......................Light off
Input Fader for Mono Input 1 (MONO 1)
....................................................................................8
Audio
Analyzer
Analyzer
WR-X22NL
WR-X22NH
Mono Input
Connector1
Connector1
Main, Sub
Output
Connectors
Output
Connectors
IN
OUT
100 k
Ω
SUB 1
SUB 2
0
MAIN 1 MAIN 2
0
0
"0" position LED (Red colour LED)
Just lights up
(Output Level Meters)
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