akira 14RBS3WN, Руководство по обслуживанию

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7
Model No: 14RB S3Wn
Version 1.0
Test the voltage of C461
Voltage of C507
0V
Check if V513 collect-emitter
w a s b r o k e n d o w n
0V
Check the voltage
of V513 collector
300V
Check R502,F501, power
switch, AC cord and plug
No
Check V513,V512,F501,R502,VD503
Yes
Check T501
0V
Test voltage of V513 base
300V
Check T501,VD517
C515,C517,VD552
V D 5 5 3 - V D 5 5 5
V 4 3 2 , C 4 3 5 , C 4 3 6
T401,C443,VD411
0.6V
Check V513
Check if it get right
when cut off V706
Test the voltage
o f
N 7 0 1 P i n 4 2
CPU has sent the
power-off signal
Check if V706
is broken down
>1V
0V
Yes
0V
4.5-5.5V
Cut off W320
Test other voltage such
as 180V,24V and 12V
V553,VD561,RP551
R 5 6 9 , V 7 0 6 , V 5 1 2
C 5 1 3 , V D 5 1 5 , V 5 1 1
Check VD 551, C561
Recover W320,unplug
XS 401 for a while,then
test the voltage of C561
Check V432,T401
T 4 0 2 , V E 6 0 1
Check L407, L408,
VE601,VD411,C443
<50V
N0 variation
Normal
Low
115V
115V
No variation
Check R552,V553,VD561
VD515,V511,V512,R555
>130V
N201 pin 8 voltage
N201 pin32 voltage
Check Z203,C209,N201
V431 pin C voltage
Check R431,V431
Check V432 pin C voltage
Check T401,V432,R435 Check T401
9V
Others
115V
2V
0V
0V
115V
Others
Check VD553,C563,R434
C434,T402,C432,V431,R550
24V