Black Box IC515C Service Manual Page 34

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  • TROUBLESHOOTING
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31
8. RA-4/4A Power Supply Troubleshooting
FIGURE 8-1 - AC INPUT & SWITCHING B+
AC
(W)
AC
(L)
CN6004
SPARK
GAP
R6001
R6002
C6001
F6001
10A
TO IC6003/2
E AMP-
(IF LOW,
OSCILLATOR
SHUTS OFF
Q6004
C6013
10uF
R6022
D6032
R6017
SPARK
GAPS
L6001
C6002
C6004
D6007
R6014
R6010
2.2
OHM
10W
D6009
RY6002
INRUSH
CURRENT
RELAY
C6006
R6013
C6012
C6007
L6002
VD6001
FROM
VCC
RY6001
POWER
RELAY
D6002
R6006
C6004
C6008
G BOARD
C6010
C6011
FROM
+15V
F6002
6.3A
L6003
SWITCHING
B+
DC
TO SOFT
START
PROTECTION
Q6002
AC
TO STANDBY
SUPPLY
D6001
1
2
4 3
2 1
2 1
4 3
3
4
1
2
R6031 N
3
4
2
1
8.1TVP14 6/26/02
IC6001
TOP209
PWMSW
G BOARD
FIGURE 8-2 - STANDBY SUPPLY
AC
FROM
L6002/3
TO VCC
SWITCH
FOR AC
OCP
Q6013/B
D6001
D6003
C6006
R6012
D6006
P6KE200
D6005
5
4
8
1
2
3
HOT
GND
R6004
R6021
D6011
MTZK9.1A
C6014
C6017
D6012
D6015
C6015
2
1
4
3
5
7
T6003
SRT
C6136
D6120
C6317
C6138
L6113
15V
TO Q6011/E VCC SW
IC6002/9 DRIVER
VCC SOURCE
VOLTAGE
1
3
2
IC6104
BA05T
RM
+5V
1
TO SYSCON
A BD.
CN505/2
CN6101
C6145
TO Q6102
LATCH
TO
IC6102
OVP/OCP
TO IC6011
VCC SWITCH
8.2TVP14 7/11/02
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