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TROUBLE SHOOTING CHARTS
NO POWER
DOES RLY1 (RELAY) OPERATE?
A
CHECK
IN/OUT VOLTAGES
OF I801(130VOLT REG)
IN: 150V
DC
OUT: 130V
CHECK
RLY1
I801
RELAY
STR30130
B
SHOULD
BE
4.3V-5.2V
5V
Q708
REGULATOR
CHECK
F801
125V 4A
CHECK
LEAD
SOLDERING
R413 18K
2WATT
DC
R414 20K
2WATT
130V
DC
IF #26 NORMAL
& NO OUTPUT AT
#23 THEN
CHANGE I501
CHECK
16.5V LINE
Q701
RESET
R759
D710
L801
LINE FILTER
YES
NO
CHECK
#30
(7.5V
DC
30
I501
26
Q402
H. OUTPUT
16.5V
D405
NORMAL: 5V
RESET: 0V
1
9
I701
23
2
OPEN LOAD
THEN CHECK
#23 ON STATE
4 ~5V
Q704
POWER
CONTROL
RLY1
RELAY
11
A
GO TO
B
GO TO
)
DOES
SHUT DOWN
CIRCUIT
OPERATE?
H.V
24
23
SHUT DOWN
OCCURS AT
22VDC
CHECK
Q402
COLLECTOR
T402
F.B.T
5
4
4
CHECK
ALL THE POINTS
THEN CHANGE
I701
PWR
CONTROL
KEY
KEY OPERATE?
CHECK DIODE
D701 & SWITCH
KEY BOARD
CHECK
Q704 &
RELAY
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