Table of Contents
Advertisement
QQ
3 7 63 1515 0
OPERATION CHECK-1
CHECK THE DC POWER SUPPLY CURRENT DETECTION
Notes
No load and No signal input.
How to check?
1. Remove the top cover.
2. Connect the power supply card to a wall outlet.
4. Power On the unit.
5. Short-circuit the both ends of P161 on NAPS-7789. An object should be in the following states.
TE
L 13942296513
CHECK THE RELAYS AND INDICATORS
How to check?
2. Connect the power supply card to a wall outlet.
4. Power On the unit.
5. Immediately after power switch On.
Check
Standby
4. About 1 second after turning On a power supply.
Check
RL501 and RL502 Relays ON.
5. About 10 seconds after turning On a power supply.
Check
RL701 Relays ON.
Check
www
Standby
.
http://www.xiaoyu163.com
Lights
Blinks
Standby
Power
Blinks
Power
Lights
Blinks stop
Power
x
ao
y
i
http://www.xiaoyu163.com
8
Q Q
3
6 7
1 3
u163
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
DTA-9.4
9 9
2 8
9 9
Advertisement
Table of Contents
