
3-3-15. MIC Level/MIC Level IND Adjustment
Equipment: Oscilloscope
Preparation: OUTPUT/DL/DCC+ switch: BARS
Adjustment Procedure
MIC Level Adjustment
Test point: CL201 (GND: Capacitor C202 +
Adjusting point: 1RV201
Specification: A = 110 ±5 mV
A
MIC Level IND Adjustment
1.SERVICE menu “PAGE 17”
→ MIC ADJ
2.Adjust by the DOWN switch, and stop at the point where the
mark just appears on the monitor screen.
3.Adjust by the UP switch, and stop at the point where the
mark just disappears on the monitor screen.
4.Set the DOWN switch at the
mark disappears.
| 6 |
|
A | RV201 | 5 |
| ||
|
| |
|
| CL201 |
| + |
|
| C202 | 4 |
B
3
2 1
C
D
CV3
E | CV1 |
F
G