(No.YA303)2-17
2-18(No.YA303)
!
!
+33V
100k
R902
50V
100n
C927
BC848C
Q900
91R
R916
+5V_PANEL
16V
100n
C916
50V
22u
C918
3k3
R909
6k8
R914
16V
100n
C915
91R
R917
50V
56p
C924
16V
100n
C919
10k
R901
180R
R912
50V
100p
C925
10u
L910
22u
L906
50V
22u
C926
2k2
R913
50V
100n
C932
100R
R911
VIN
ST_BY
D902
CVDD_2.5
10k
R904
100R
R910
56k
R915
BC848C
Q901
10k
R903
50V
10u
C928
S+3.3V
IC906
1
SW.COLL.
3
CAP.
6
VCC
8
DRI.COL.
2
EMITTER
4
GND
7
SENSE
5
COMP.
50V
22u
C917
50V
100n
C929
5VSTBY
3k3
R918
VIN
BC548B
Q902
50V
22u
C930
BZX79C5V6
D903
2k2
F900
ON/OFF
2k2
F901
100k
R900
VIN
S900
IC900
1
S1
3
S2
6
D2A
8
D1A
2
G1
4
G2
7
D1
5
D2
INV
35V
100u
C900
50V
100n
C902
35V
100u
C910
50V
10n
C911
VIN
100uH
L909
16V
100n
C913
STPS745
D904
22u
L907
16V
1000u
C912
22u
L908
S+3.3V
1N4148
D905
S+2.5V
+3.3V
35V
100u
C903
16V
100n
C909
22u
L901
50V
10n
C904
STPS745
D900
+5V
22u
L900
100uH
L902
16V
1000u
C908
35V
100u
C920
16V
100n
C923
22u
L904
50V
10n
C921
STPS745
D901
+12V
22u
L903
100uH
L905
16V
1000u
C922
S905
100R
R908
100R
R907
IC901
1
VIN
2
OUTPUT
3
GND
4
FEEDBACK
5
ON/OFF
IC904
1
VIN
2
OUTPUT
3
GND
4
FEEDBACK
5
ON/OFF
IC907
1
VIN
2
OUTPUT
3
GND
4
FEEDBACK
5
ON/OFF
S+3.3V
IC902
1
S1
3
S2
6
D2A
8
D1A
2
G1
4
G2
7
D1
5
D2
IC909
1
ADJ
2
OUT
3 IN
16V
1000u
C934
+12V
+8V
22R
R921
16V
100n
C935
16V
100n
C936
470R
R920
50V
100n
C933
50V
22u
C937
91R
R919
IC910
1
ADJ
2
OUT
3 IN
DC_POWER_SOCKET_20V/7.5A
JK901
1
2
3
4
5
BC848C
Q903
10k
R922
10k
R923
ST_BY
BC848C
Q904
BC848C
Q905
10k
R924
10k
R925
10k
R926
10k
R927
10k
R928
S+3.3V
STDBY_
STDBY_
STDBY_
ST_BY
VIN
VIN
22u
L911
16V
100u
C938
2k2
F902
INV
200k
R929
10k
R930
50V
100n
C907
BC848C
Q907
10k
R905
100k
R906
100R
R934
100R
R933
10k
R931
ST_BY
BC848C
Q906
10k
R932
IC908
1
S1
3
S2
6
D2A
8
D1A
2
G1
4
G2
7
D1
5
D2
50V
100n
C941
+5V_PANEL
10k
R935
STDBY_NOT
VIN
S+3.3V
BRT_ADJ_PWM
STDBY_
STDBY_NOT
S907
S908
BRT_ADJ
BL_ONOFF_
PL902
1
2
3
4
PL901
1
2
3
4
5
6
1N4148
D906
S909
S910
+12V
VIN
VIN
MAIN PWB ASS'Y
(8/8)
VE-20191734
MAIN PWB CIRCUIT DIAGRAM (8/8)