Led; Test Point - Furuno FAX-30 Service Manual

4.2 LED

POWER LED (CR9, green) on MAIN board blinks as follows.
1) When loading the image at power-up; ON: 0.2 seconds, OFF: 0.2 seconds
2) At normal operation; ON: 1 second, OFF: 1 second

4.3 Test Point

The following signals appear at the test points.
MAIN board (08P3218)
TP No. Signal name
TP1 SW F
TP2 DC M
TP3 0 V
TP4 MCLK
TP5 0 V
TP6 3.3 V
TP7 5 V
TP8 15 V
Rating
190 kHz ± 5 kHz
29.655040 MHz ± 90 Hz
3.3 V ± 0.2 V
5 V ± 0.25 V
15.0 V ± 0.5
12
Remarks
Switching frequency, Adjuster: R38
DC minus
GND: TP3
Adjuster: R51
4.2 LED