2-2. Preparation of Adjustment
2-3. Output Level Adjustment
2-2. Preparation of Adjustment2-3. Output Level Adjustment
1. Extend the ASG-7 board with a extension board.Measuring equipment: Audio level meter
2. Write the customer settings of the shorting plugs
(COR101 and COR201) and switches (S1, S2, S3,CH1 adjustment
S101, and S201) on the ASG-7 board down in follow-1. Connect the audio level meter to one output of CH1
ing table.OUT connector.
3. Set their shorting plugs and switches as follows:2. Check that COR101 (B-2) is set to 0 dBm.
If not, set it to 0 dBm.
Ref. No. (Address) Setting at adj. Customer Setting
3. Adjust the output level on the audio level meter.
COR101 (B-2)0 dBmAdjustment point:1RV104/ASG-7 (C-2)
COR201 (B-3)0 dBmSpecification: ?0.1 dBm (at 600 0.0 Z load)
S1 (A-1)1 kHz
S2 (A-2)1 kHz4. Change the COR101 (B-2) setting to +4 dBm.
5. Adjust the output level on the audio level meter.
S3 (B-1)LOCAL
Adjustment point:1RV103/ASG-7 (C-1)
S101 (A-2)FIX
Specification: ?0.1 dBm (at 600 4.0 Z load)
S201 (A-3)FIX
6. Change the COR101 (B-2) setting to +8 dBm.
4. Turn on the power of equipment (the signal generator,
7. Adjust the output level on the audio level meter.
oscilloscope, and interface unit PFV-L1 or PFV-L10),
Adjustment point:1RV102/ASG-7 (C-1)
and warm up them for about ten minutes.
Specification: ?0.1 dBm (at 600 8.0 Z load)
5. Attach the 600 Z resister for termination to the audio
level meter.
CH2 adjustment
8. Connect the audio level meter to one output of CH2
OUT connector.
S3S102
440Hz 400Hz9. Check that COR201 (B-3) is set to 0 dBm.
400Hz/440HzREMOTE LOCAL
1KHzS11RV102If not, set it to 0 dBm.
+81RV103
FIX+4
S10101RV10410. Adjust the output level on the audio level meter.
VARIABLE
RV101COR101
400Hz/440HzAdjustment point:1RV204/ASG-7 (C-3)
1KHzS2+81RV202
+4
Specification: ?0.1 dBm (at 600 0.0 Z load)
01RV203FIXS201
RV204
VARIABLECOR2011
RV20111. Change the COR201 (B-3) setting to +4 dBm.
12. Adjust the output level on the audio level meter.
Adjustment point:1RV203/ASG-7 (C-2)
ASG-7 Board (Side A)Specification: ?0.1 dBm (at 600 4.0 Z load)
13. Change the COR201 (B-3) setting to +8 dBm.
14. Adjust the output level on the audio level meter.
Adjustment point:1RV202/ASG-7 (C-2)
Specification: ?0.1 dBm (at 600 8.0 Z load)
15. After turning off the power, reset the shorting plugs
(COR101 and COR201) and switches (S1, S2, S3,
S101, and S201) on the ASG-7 board to the customer
settings.
2-2 (E)BKPF-L754 |