Audio Initial Setting; Audio Output Level Adjustment; Audio Input Level Adjustment - Panasonic AJ-SD93P/E Service Manual

4-4. Audio Initial Setting

<Switches on the Front Panel>
Set the Switch and Control on the Front Panel as
shown below.
Switch & Control
REC/PB VR (CH1,2,3,4)
REC/UNITY/PB
AUDIO IN
REMOTE/LOCAL
MONITOR
<Switches on the AVIO Board>
SW100 : High
SW101 : High
<Audio Analyzer Setting>
Set the Audio Analyzer as shown below.
Item
GENERATOR OUTPUT
ANALYZER CHA INPUT
ANALYZER CHB INPUT
UNIT SETTING
<Service Menu Setting>
1. Open the USER Menu.
2. Press the "EJECT" + "STOP" + "MENU" buttons
together so that the SERVICE MENU appears.
No. Item
G01 REF. LEVEL1
G02 REF. LEVEL2
G03 REF.LV INI
G05 MIC IN LV
< Setup Menu Setting for Audio >
No. Item
700 AUDIO IN SE L
701 CH1 IN LV
702 CH2 IN LV
703 CH3 IN LV
704 CH4 IN LV
706 CH1 OUT LV
707 CH2 OUT LV
708 CH3 OUT LV
709 CH4 OUT LV
722 REC CH!
723 REC CH2
724 REC CH3
725 REC CH4
Setting
Center Click Point
UNITY
ANALOG
LOCAL
L (CH1), R (CH2)
Setting
50Ω
(A&B, BAL, FLOAT)
100Ω
100Ω
dBu
Setting
P : FS20
E/MC : FS18
0dB
P/E : 0dB
MC : 4dB
DIS
Setting
P/E MC
ANA
0dB +4dB
0dB +4dB
0dB +4dB
0dB +4dB
0dB +4dB
0dB +4dB
0dB +4dB
0dB +4dB
CH1
CH2
CH3
CH4
ELE-9
4-5. Audio Output Level
Adjustment
AVIO (F4)
BOARD
TP AUDIO OUT (CH1-CH4)
VR4500 [CH1 OUT LV]
ADJ.
VR4501 [CH2 OUT LV]
VR4600 [CH3 OUT LV]
VR4601 [CH4 OUT LV]
INT SG 0)
INPUT
MODE EE
---
TAPE
Monitor TV, Oscilloscope,
M. EQ
Audio Analyzer
AJ-SD93P/E: 0 dBu ± 0.1dB
SPEC.
AJ-SD93MC : +4 dBu ± 0.1 dB
1. Set the Switches on the Front Panel as shown
below.
AUDIO INPUT SELECT SW
REC/UNITY/PB SW
2. Adjust VR4500, VR4501, VR4600 and VR4601
so that the Audio Output Level at CH1-CH4 is in
the specification.
3. Make sure that the Audio Output waveforms are
normal sine wave.

4-6. Audio Input Level Adjustment

AVIO (F4)
BOARD
AUDIO OUT (CH1-CH4)
TP
ADJ. VR4200 [CH1 IN LV]
VR4201 [CH2 IN LV]
VR4202 [CH3 IN LV]
VR4203 [CH4 IN LV]
AUDIO IN (CH1-CH4)
INPUT
Sine Wave, 1 KHz,
AJ-SD93P/E : 0dBu, AJ-SD93MC: +4dBu
EE
MODE
---
TAPE
M. EQ Monitor TV, Oscilloscope,
Audio Analyzer
AJ-SD93P/E : 0 dBu ± 0.1dB
SPEC.
AJ-SD93MC : +4 dBu ± 0.2 dB
1. Supply the following signal to the AUDIO INPUTS
(CH1-CH4).
1 KHz, 0dBu : AJ-SD93P/E
1 KHz, +4dBu : AJ-SD93MC
2. Adjust VR4200, VR4201, VR4202 and VR4203 so
that the audio level at the Audio Outputs
(CH1-CH4) is in the specification.
: SG
: UNITY