KEPCO JQE 150-1.5MVPY-26956 Half Rack User Manual
Page 77
JQE 26956 SVC 081111
6-25
+15V
+15V
+15V
+15V
+15V
+15V
+6.5V
+6.5V
-6.5V
+6.5V
+6.5V
+6.5V
GATE
+6.5V
GATE
+6.5V
LOC_RET
-6.5V
LOC_RET
-6.5V
LOC_RET
LOC_RET
LOC_RET
LOC_RET
LOC_RET
LOC_RET
LOC_RET
R1
330
P401-@ J207
1
2
3
4
5
6
+
-
IC3A
LM393
3
2
1
8
4
IC1
TL431
2
3
1
+
-
IC4
INA118
3
2
6
7 1
4 8 5
TP6
1 2
TP1
1
2
TP3
1 2
TP4
1 2
C13
0.001
C8
0.1
C7
0.1
+
C1
140
CR5
1N4148
CR402
200V/8A
3
1
2
R24
0.01
J4
1
R415
10K
1
3-CW
2
CR3
15V
R4
0.5
TP5
1 2
R7
10
CR4
4.7V
R8
1K
C10
0.1
C11
0.1
C9
0.01
+
-
IC3B
LM393
5
6
7
8
4
R20
2K
R(C)403
10K
1
3-CW
2
R15
15K
R2
510
R3
4.02K
R6
2.49K
TP8
1
2
J3
1
R9
49.9K
A
B
RN2
R10
7.5K
C4
0.1
+
-
IC2
LT1006
3
2
6
7 8
4 5 1
CR7
1N4148
CR8
1N4148
CR6
4.7V
+
-
IC5
OP07
3
2
6
7
1
4
8
R11
4.99K
C5
0.1
R12
1K
R23
10K
R19
150
C2
0.1
J2
1
2
3
+
C12
4.7
R25
10K
R432
10K
1
3-CW
2
R31
10K
CR14
1N5297
R430
500
1
3-CW
2
R16
100
R13
1K
CR9
1N5819 CR11 1N5819
R26
4.99K
CR12
1N5819
C6
0.01
CR13
1N5819
R27
4.99K
R22
1K
R5
1K
R28
4.99K
R29
4.99K
R34
100K
Q1
2N2219A
1
3
2
R36
100K
R37
100K
R35
100K
TP2
1
2
~
~
+
-
CR1
200V/1A
2
1
4
3
C3
0.047
AC1_OVP
+SENSING
-SENSING
TO J206
TO CB101
TO CR203
CR203_K
TO T201
CR203_G
AC2_OVP
-OUT
TO A5-J7
-OUT_INT
TO C201-202/MINUS
* CURRENT MONITORING CIRCUIT AT "-OUT" POTENTIAL
(INSTALLED/USED FOR SPECIALS ONLY)
OVP CIRCUIT
+C_MON
-C_MON
TO A5-J2
NOTES:
1) Resistor values in "ohms" and Capacitor values
in "microfarads", unless otherwise specified.
2) Components/ circuits marked with "*" are model dependent,
or are not always used. Consult Parts List for details.
3) TP8 is installed for regular JQE units, w/o the
current monitoring circuit.
"OVP DELAY ADJ"
"OVP LEVEL ADJ"
"C_MON ZERO ADJ"
"C_MON FS ADJ"
*
*
-6.5V
LOC_RET
J1
1
2
CR10
6.5V
R33
2.2K
TP7
1 2
TO A1- J1
+VRS=-OUT_INT
-VRS
PROPRIETARY DATA
©2008, KEPCO, INC
FIGURE 7-10. OVERVOLTAGE PROTECTION
AND CURRENT MONITOR BOARD
A4, SCHEMATIC DIAGRAM
PROPRIETARY DATA
©2008, KEPCO, INC
3020855
7-24/7-25
7-25/7-26