A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
83
POWER 1/2
SR-300/NS-BR300/NS-P705/NS-B380
★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked
⚠
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
● ⚠印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更することがございます。
IC711
IC712
IC709
IC704
IC713
IC701
IC702
IC707
IC703
IC706
CB706
CB707
CB705
CB701
CB704
IC708
26.6
26.6
0
0
5.0
12.3
3.4
-32.2
0
0
0
0
0
0
0
5.0
5.0
12.3
3.3
3.3
0
0.2
3.4
0
0
2.4
0
0.2
3.4
3.4
3.4
7.0
5.1
0
0
0
0
0
0.2
3.5
3.5
0
0
7.0
1.3
3.3
0
3.1
3.4
3.4
3.5
3.3
7.0
3.4
3.1
3.4
7.0
13.5
13.5
0
0
0
0
3.2
0
0.3
3.2
0.7
26.4
0
2.5
21.6
0
0
0
26.6
-0.5
-0.5
3.2
13.5
0
0
12.3
0
3.4
26.6
5.0
0
1.3
1.8
26.6
12.3
0
1.3
6.8
0
5.1
AC6.6
AC
13.6
Primary side ground
(4.0)
(2.6)
(1.2)
(1.7)
(0)
(109.0)
(1.3)
(0)
(0)
(0)
(0)
(0)
(1.2)
(1.2)
(0)
(0)
(1.3)
(317.1)
(317.1)
(468.1)
(468.1)
(316.5)
(316.5)
(317.4)
(5.0)
(15.0)
(317.7)
(108.0)
(14.4)
(15.1)
26.4
26.5
21.6
22.6
(15.1)
(15.1)
(15.0)
(1.7)
(0.3)
3.4
(0)
2.3
(0.9)
(0.9)
(0.3)
(5.9)
(2.2)
(17.1)
(0)
(317.2)
(400.3)
(400.3)
(317.7)
(317.2)
(0)
(0)
(17.0)
(2.4)
(0.9)
(5.9)
(0.3)
0.8V/0.68V
8.5V/7.9V
5V VCC
ENB
5V REF
3.5V
4V
RT CT
OSC
+0.24V
R
S
QB
Q
ENB
OUT
PUT
16.5V/9V
UVLO
15.5V
15.5V
5.2 A
0.95mA
PWM
0.8V
Dmax
FA5510: 46%
FA5511: 70%
5V Controlled block
FB
(2)
REF
(7)
CS(8)
VCC(6)
OUT
(5)
GND
(4)
IS+(3)
RT(1)
FF
IC701
: FA5511N-D1-TE1
CMOS IC for switching power supply control
IC711
: LMV431AIMF
Low voltage adjustable precision shunt regulator
REF
CATHODE
ANODE
IC710
: NJM431U
Adjustable precision shunt regulator
ANODE
REFERENCE
CATHODE
1
2
3
Voltage
regulator
Over current
protection
circuit
Over heat
protection
circuit
ON/OFF
circuit
circuit
Q
+
-
R
S
F/F
2
5
4
1
3
COM
PWM COMP.
VIN
VOUT
ON/OFF
Oadj
Vref
ERROR AMP.
Soft start
Oscillator
IC709, 712
: PQ1CG41H2FZ
Chopper Regulator
+
-
IC702
: MIP2F40MSSCF
Switching power supply control
S
R
Q
Q
S
R
Q
Q
DRAIN
5
4
1
3
2
7,8 SOURCE
Blanking pulse
generation
circuit in on-state
Light load detection
For intermittent
Oscillation control
power
MOSFET
Gate driver
VDD clamp circuit
5.7V
6.6V
VDD UV
regulator
5.1V
5.9V
Drain current
for detection
LIMIT
compansation
clamp circuit
(LM setting)
VCL
FB
IN
24V
7.5V
VCC UV
VCC OVP
CL
VDD
VCC
Constant
current resource
LIMIT
variable
circuit(15 to 100%)
MAXDC
12kHz
CLOCK
ICL_LOW
VCL_OUT
Restart
trigger
Oscillator
Overheat
protection
27%
22%
REFERENCE 4
2
5
CATHODE
ANODE
+
-
V
REF
IC708
: NJM2820F TE1
Adjustable high precision shunt regulator
CONTROLLER
CONTROLLER
POWER (1)
AC IN
to INPUT_W1601
Page 79
L4
to MAIN_W301
Page 80
B4
to MAIN_CB308
Page 82
B3
to HDMI_W1
Page 85
M8
