Yamaha PX10 Service Manual page 47

5-10-3. Minimum speed
Contents In service inspection mode : It inspects rotating
visually
Advance preparation None.
〈 Service inspection screen 〉
Left end✽is a selecting cursor.
The fault location at the time of FAIL
Around FAN-CONT signal. FAN
5-11. LED
5-11-1. In order
Contents Inspect visually as follows.
1) In order of the following, observe the LED lights
up every 400msec.
2) Ovserve all LEDs light up.
3) Ovserve all LEDs light down.
Advance preparation None.
〈 Service inspection screen 〉
Inspect visually.
The fault location at the time of FAIL
POW-LD, ALRT-LD, USB-LD,
PROTA-LD, LIMA-LD, SIGA-LD
PROTB-LD, LIMB-LD, SIGB-LD
D309, D310, D311,
D301, D302, D303,
D306, D307, D308
PX10/PX8/PX5/PX3
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