IC202
IC203
IC206
IC207
IC208
IC209
W201
W202
W203
W204
W206
W205
CB201
CB202
CB203
CB204
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
DVR-700/NS-PSW700/NS-P700
105
SUB
0
15.0
15.0
15.0
0
0
30.3
14.8
14.8
0
0
0
1.9
0
1.9
0
0.4
0.6
1.9
1.9
0.6
0
0
.
2
1
0
12.0
12.0
16.4
14.8
14.8
14.8
9.9
5.3
5.3
5.3
5.3
0
12.0
0
0
0
0
0.8
0
0
0
5.0
12.2
12.2
0
0
5.7
8.5
13.6
3.0
13.5
13.6
0
6.9
6.9
7.6
4.9
0
0
0
0
12.9
6.3
6.3
0
0
0
0
14.3
14.3
0
5.3
8.6
0
14.8
0
1.6
0
14.8
1.2
0
1.0
4.9
0
4.7
4.7
1.0
1.0
30.3
1.1
0
30.3
15.0
15.0
15.0
30.2
30.2
30.2
30.2
15.0
6.6
30.2
0
0
4.6
4.6
4.4
1.9
4.9
2.5
0
0
21.1
6.6
21.1
POINT
E 1 / Q201, 2 / Q203
1
E
2
1
Q201
Q203 2
AC cable ON
AC cable OFF
IC207
: BD9302FP-E2
2.5 MHz 2 A power switch 2 ch step-down switching regulator
1
PGND1
2
COMP1
0.6V
ERR
PWN
VREF
slope
slope
OSC
OCP
5V
OCP
Current
Sense
Current
Sense
UXLO
TSD
Set
SDWN
DRV1
SDWN
Reset
DRV2
DRV2
SDWN
DRV1
SDWN
Set
Reset
Internal
Bisa
+
-
0.6V
ERR
PWN
+
-
+ -
+ -
3
FB1
4
RT
5
N.C.
6
SS1/SD
7
VCC
8
SS2/SD
9
N.C.
10
FB2
11
COMP2
12
GND
13
PGND2
25 SW1L
24 SW1
23 SW1
22 BOOT1
21 PVCC
19 PVCC
18 PVCC
17 BOOT2
16 SW2
15 SW2
14 SW2L
20 PVCC
OSC
PWM COMP
DRIVER
STBY
STBY
OUT
INV
GND
VCC
TSD
OCP
Error AMP
SS
CTL
LOGIC
IC202
: BD9870FPS-E2
High stand voltage 1 channel step-down switching regulator
VREF
1
5
FIN
4
2
IC209
: BD9781HFP
Flexible step-down switching regulator
VIN
INV
FB
1
6
5
7
2
4
3
RT
GND
SW
EN/SYNC
SOFT
START
ON/OFF
SYNC
Vref
ERROR AMP
PWM
COMPARATOR
LATCH
DRIVER
RESET
Vref
+
+
+
–
–
L: OFF
H: ON
TSD
OSC
CURRENT LIMIT
VIN
+
–
IC203
: MD1423R
IC power supply
R/C
18
ON/OFF
Control
11
10
Vcc
Vfer
ULVO
Start=7.2V
Stop=6.7V
Bandgap
Reference
5.0V±5%
TSD
BOOT
Vref=6.5V
100°C 150°C
PWM Comp
High Side
Vref=VOUT+5.8V
High/Low
MOS OFF
High Side
Driver
7
3–6
VGH
VDD
26
1, 2, 22–25
VOUT
P.GND
Low Side
Vref=6.5V
Low Side
Driver
Dead Time
Control
+
1V
3V
Q
R
S
+
–
–
OSC
CLM Vth=
0.1–0.2V
Error Amp
+
–
2.45V
13
12
10
OSC
ampOUT
amp–
GND
OCL+
OCL–
S/S
14
15
16
9, 17
21
VGL
20
8
VB
Vboot
IC206
: NJM7812DL1A
3 terminal voltage regulator
INPUT
OUTPUT
GND
to POWER_W701
P
age 106
K2
to POWER_W702
P
age 106
K3
to POWER_W703
P
age 106
K4
to POWER_W704
P
age 106
K7
to MAIN_CB3
P
age 101
G9
to MAIN_CB303
P
age 102
D9
to MAIN_CB5
P
age 101
H9
to MAIN_CB504
P
age 103
K2
to MAIN_CB801
P
age 104
F8
to MAIN_CB501
P
age 103
D9