1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
JBL IRX115 SUB SMPS&
Product:
File Name:
Revision:
Status:
Lead Engineer:
Date:
Enter Name
2020/8/24
DVT
0.0
VE115SUB_AUXPOWER_20200602.SchDoc
IRX115 SUB
Drawn By:
Checked By:
Mod By:
Approved By:
Time:
Sheet:
of
18:51:45
Eric Li
Bill He
Bill He
Enter Name
3
6
Mod Date:
2020/6/3
Size:
A3
Version
Date
Description of Changes/Notes
Harman
0.0.0 2020/6/3
PGND1
HV1
SW1
AUX1
VCC1
FB1
-1
+1
V-1
V+1
1N4007
SMA
D10
10R
R59
+15VA
-15VA
12VGVCC
+15V
NC
R87
NC
R80
GND
+15V
-15V
-15V
GND
GND
TP27
TP28
+15V
STB
+20V_SMPS
Power_ON
GND
GND
GND
PGND
HV+
+12V_SMPS
+12V_SMPS
1k
R93
LM358AM
2
3
1
+
-
8
4
U14A
LM358AM
6
5
7
U14B
TP30
TP29
TP26
TP31
1k
R98
PGND
PGND
PGND
OTP1
PGND
PGND
UVP
SOT-23
BAV70
1
2
3
D14
+20V_SMPS
GND
GND
5V
TP25
+15V
GND
GND
PGND
NC
D9
220uF
35V
+
C55
220uF
35V
+
C67
220uF
35V
+
C77
4.7K
R88
0805
4.7K
R97
110K
R76
NC
B5
NC
B4
NC
R57
NC
L6
22uF
50V
+
C73
1K
R84
NC
D7
0805
0R
R63
RSFML
D11
NC
R61
10K
R85
10K
R86
10K
R96
EL817C
1
3
2
4
U11
EL817C
1
3
2
4
U13
75K
R99
75K
R89
100K
R92
100K
R94
NC
R56
NC
R60
10K
R95
OTP1
16K
f
or
8
5C
pr
ot
ec
t
RT4 resistance:
temp res
65 2.586k
70 2.228k
75 1.925k
80 1.669k
85 1.452k
90 1.268k
95 1.110k
100 0.974k
105 0.858k
110 0.758k
20K
f
or
7
5C
pr
ot
ec
t
11K
R91
12K
f
or
9
5C
pr
ot
ec
t
LMBT3904LT1G
SOT-23
1
3
2
Q6
2.2uF
25V
C78
2.2uF
25V
C76
2.2uF
25V
C57
2.2uF
25V
C68
NC
C61
NC
C62
NC
C54
NC
C52
NC
C59
NC
C64
OVP
PGND
47R
R62
1uF
25V
C60
1uF
25V
C66
220pF
50V
C51
HF500GS-15-Z
FB
1
VCC
2
TIMER
8
DRAIN
4
SOURCE
5
GND
6
B/O
7
U10
4700pF
630V
C56
4700pF
630V
C63
820K
1206
R58
68pF
1KV
C82
2.2K
R81
PGND
EE16
10K
1206
R69
0.047uF
50V
C84
1000pF
50V
C79
1000pF
50V
C87
1000pF
50V
C86
10K
0402
1
2
RT3
12K
R90
0R
R83
20R
R82
20R
R78
T1 Second Source:T62XXXXXX
T1 Primary Source:T622000015000
2.2uF
16V
C85
2.2uF
25V
C75
MCU3V3
600R@100MHz
R276
600R@100MHz
L8
100uF
6.3V
+
C70
0.1uF
50V
C74
10uF
10V
C71
0.1uF
50V
C69
100K
R64
GND
+15V
GND
33K
R65
10K
R66
STB
SOT-23
BSS84-7-F
2
1
3
Q4
+15VA
+15VA_OP
470R
R71
GND
10K
R77
STB
-15VA_OP
-15VA
10K
R72
10K
R74
100K
R79
30K
R73
GND
470K
R70
1/4W
2.2K
1206
R67
1/4W
2.2K
1206
R68
SOT23 (SC-59 SST3)
2N7002
2
1
3
Q3
LMBT3904LT1G
SOT-23
1
3
2
Q5
10uF
25V
C80
10uF
25V
C81
SOT-23
BSS84-7-F
2
1
3
Q2
NC
C53
0.1uF
50V
C83
0.1uF
50V
C89
0.1uF
50V
C90
0.1uF
50V
C92
0.1uF
50V
C93
0.1uF
50V
C94
0.1uF
50V
C91
TL431G-AE3-R
1
2
3
U12
0.022uF
16V
C72
0.1uF
50V
C88
CSAB0740-220M
22uH
L7
NC
CAPC0402
C58
NC
CAPC0402
C65
-40V
NC
+
C242
GND
0R
R277
0R
R279
0R
R278
0R
R280
0R
R281
600R@100MHz
R282
Pin7 B/O:
1) Brown function:
Rising :B/O >1V (0.95V1.05V) start work;
Falling: B/O<0.9V(0.85V0.95V) stop work.
2) OVP function:
OVP threshold: 4.5V(4.2V4.8V)
3) Disable Brown in/out and OVP:
Disable threshold: 6V(5.4V6.6V)
NOTE: clamp voltage 7V, input impedance 1.2M.
OVP=1V,
HV=206.8V,
Vin_rms=146.3V
NC
GND
1
SW
2
VIN
3
FB
4
EN
5
BST
6
U8
SCT2220TVB
GND
1
SW
2
VIN
3
FB
4
EN
5
BST
6
U9
GND
1
3
N6
2
5
6
8
N2
9
7
10
N1
N4
N5
N3
T1
0805
100R
R75
BZT52C15S
ZD3
0.1%
100R
R13
ES1DL
D8
ES1DL
D12
ES1DL
D13
OVP
NC
R42
NC
R43
PGND
0R
R18
1.5M x 3
R43: 18.2K
NC
R40
NC
R41
IRX115S Service Manual
Version A - 11/20
12
Table of Contents
