Chapter III – Subassemblies
3-61
C
996-0255 rev. b
NOTES: UNLESS OTHERWISE SPECIFIED
1. CAPACITANCE IS IN MICROFARADS.
2. RESISTANCE IS IN OHMS, 5%, 1/4W,
(FOR THRU-HOLE RES) AND 5%, 1/8W,
(FOR SURFACE MOUNT RES).
R1
15K
1
2
U4A
HCPL-2232
8
7
5
2
1
C9
0.22 B
1
2
C10
100/25
1
2
+
R19
2.2K
1
2
R
1
8
4.7K
1 2
R21
2.2K
1
2
R20
4.7K
1 2
C8
0.22 B
1
2
R17
2K 1%
1
2
C6
0.022
1
2
C
R
1
1N914
12
U2B
LM393N
5
6
7
U2A
LM393N
3
2
1
8
4
R
1
3
5.62K 1%
1 2
R14
200K 1%
1 2
R12
11K 1%
1
2
R10
10K 1%
1
2
C
3
0.22 B
1
2
R9
39.2K 1%
1
2
R8
1K 1/2W
1
2
R7
1K 1/2W
1
2
R3
10K 1%
1
2
C1
0.22 B
1
2
C2
22/35
1
2
+
R2
40.2K 1%
1
2
R32
22K
1
2
U
5
A
LM393N
3
2
1
8
4
C
R
3
1N5817
1
2
C15
0.22 B
1
2
R26
10K
1
2
U
5
B
LM393N
5
6
7
C11
0.22 B
1
2
R29
22K
1
2
U
6
A
LM393N
3
2
1
8
4
C12
0.22 B
1
2
R24
10K 1%
1
2
R25
10K 1%
1
2
C
R
2
1N5817
1
2
U
6B
LM393N
5
6
7
R23
10K
1 2
C19
0.22 B
1
2
C20
0.022
1
2
C21
0.022
1
2
R35
10K
1
2
R38
220 OHM
1
2
R27
6.02K 1%
1
2
R39
2K 1%
1 2
R4
100K 2W
1
2
R5
100K 2W
1
2
R6
100K 2W
1
2
R15
845K 1W 1%
1
2
R11
1M 1W 1%
1
2
R22
1M
1
2
R30
5M 1W HV
1
2
R31
5M 1W HV
1
2
J1
7 PIN MOLEX RA
1
2
3
4
5
6
7
J2
3 PIN
AMP MALE
1
2
3
U7A
LM393N
3
2
1
8
4
U
1
A
LM358N
3
2
1
8
4
+
-
U1B
LM358N
5
6
7
8
4
+
-
U4B
HCPL-2232
6
3
4
VR1
LM336Z
1
2
VR2
LM336Z
1
2
C14
1UF
1
2
C13
1UF
1
2
C7
0.001 2.5%
1
2
C4
0.001 2.5%
1
2
C16
0.001 2.5%
1
2
C17
0.001 2.5%
1
2
C18
0.001 2.5%
1
2
U
7
B
LM393N
5
6
7
RP1D
47K SIP-8 ISO
7
8
R
P
1B
47K SIP-8 ISO
3
4
R
P
1A
47K SIP-8 ISO
1
2
R
P
1C
47K SIP-8 ISO
5
6
J5
2 PIN MOLEX RA
1
2
R28
100K 1/2W 1%
1
2
C5
0.22 B
1
2
E1
TEST POINT
1
C22
0.001 6KV 20%
1
2
J4
5 PIN
AMP F/M
1
2
3
4
5
J6
5 PIN
AMP F/M
1
2
3
4
5
J3
5 PIN
AMP F/M
1
2
3
4
5
U3
ICM7555IPA
TRIG
2
CONTV
5
THOLD
6
RESET
4
OUT
3
DISCH
7
+12
+12
V+
GNDA
VCOUNDERVOLTAGE CUTOFF
2.49V REF
12.5 VDC
SHUNT REGULATOR
300 VOLT VCO SENSE
POWER COMMON
DANGER HIGH VOLTAGE
E1 -HV OUTPUT
DANGER HIGH VOLTAGE
300 VOLT OK
OVP TRIP
VOL
T TRIP
VAR HV
+2.49 OVP REF
(HV REFERENCE)
VOLTAGE REDUCTION FOR
TRIGGER
+12
FREQUENCY
OVP SENSE
VOLT SENSE
WARNING: OBSER
VE OPTICAL
ISOLA
TION
NOTES: UNLESS OTHERWISE SPECIFIED
1. CAPACITANCE IS IN MICROFARADS.
2. RESISTANCE IS IN OHMS, 5%, 1/4W,
(FOR THRU-HOLE RES) AND 5%, 1/8W,
(FOR SURFACE MOUNT RES).
R1
15K
1
2
U4A
HCPL-2232
8
7
5
2
1
C9
0.22 B
1
2
C10
100/25
1
2
+
R19
2.2K
1
2
R
1
8
4.7K
1 2
R21
2.2K
1
2
R20
4.7K
1 2
C8
0.22 B
1
2
R17
2K 1%
1
2
C6
0.022
1
2
C
R
1
1N914
12
U2B
LM393N
5
6
7
U2A
LM393N
3
2
1
8
4
R
1
3
5.62K 1%
1 2
R14
200K 1%
1 2
R12
11K 1%
1
2
R10
10K 1%
1
2
C
3
0.22 B
1
2
R9
39.2K 1%
1
2
R8
1K 1/2W
1
2
R7
1K 1/2W
1
2
R3
10K 1%
1
2
C1
0.22 B
1
2
C2
22/35
1
2
+
R2
40.2K 1%
1
2
R32
22K
1
2
U
5
A
LM393N
3
2
1
8
4
C
R
3
1N5817
1
2
C15
0.22 B
1
2
R26
10K
1
2
U
5
B
LM393N
5
6
7
C11
0.22 B
1
2
R29
22K
1
2
U
6
A
LM393N
3
2
1
8
4
C12
0.22 B
1
2
R24
10K 1%
1
2
R25
10K 1%
1
2
C
R
2
1N5817
1
2
U
6B
LM393N
5
6
7
R23
10K
1 2
C19
0.22 B
1
2
C20
0.022
1
2
C21
0.022
1
2
R35
10K
1
2
R38
220 OHM
1
2
R27
6.02K 1%
1
2
R39
2K 1%
1 2
R4
100K 2W
1
2
R5
100K 2W
1
2
R6
100K 2W
1
2
R15
845K 1W 1%
1
2
R11
1M 1W 1%
1
2
R22
1M
1
2
R30
5M 1W HV
1
2
R31
5M 1W HV
1
2
J1
7 PIN MOLEX RA
1
2
3
4
5
6
7
J2
3 PIN
AMP MALE
1
2
3
U7A
LM393N
3
2
1
8
4
U
1
A
LM358N
3
2
1
8
4
+
-
U1B
LM358N
5
6
7
8
4
+
-
U4B
HCPL-2232
6
3
4
VR1
LM336Z
1
2
VR2
LM336Z
1
2
C14
1UF
1
2
C13
1UF
1
2
C7
0.001 2.5%
1
2
C4
0.001 2.5%
1
2
C16
0.001 2.5%
1
2
C17
0.001 2.5%
1
2
C18
0.001 2.5%
1
2
U
7
B
LM393N
5
6
7
RP1D
47K SIP-8 ISO
7
8
R
P
1B
47K SIP-8 ISO
3
4
R
P
1A
47K SIP-8 ISO
1
2
R
P
1C
47K SIP-8 ISO
5
6
J5
2 PIN MOLEX RA
1
2
R28
100K 1/2W 1%
1
2
C5
0.22 B
1
2
E1
TEST POINT
1
C22
0.001 6KV 20%
1
2
J4
5 PIN
AMP F/M
1
2
3
4
5
J6
5 PIN
AMP F/M
1
2
3
4
5
J3
5 PIN
AMP F/M
1
2
3
4
5
U3
ICM7555IPA
TRIG
2
CONTV
5
THOLD
6
RESET
4
OUT
3
DISCH
7
+12
+12
V+
GNDA
VCOUNDERVOLTAGE CUTOFF
2.49V REF
12.5 VDC
SHUNT REGULATOR
300 VOLT VCO SENSE
POWER COMMON
DANGER HIGH VOLTAGE
E1 -HV OUTPUT
DANGER HIGH VOLTAGE
300 VOLT OK
OVP TRIP
VOL
T TRIP
VAR HV
+2.49 OVP REF
(HV REFERENCE)
VOLTAGE REDUCTION FOR
TRIGGER
+12
FREQUENCY
OVP SENSE
VOLT SENSE
WARNING: OBSER
VE OPTICAL
ISOLA
TION
VCO/HV SENSE
504-4500