Circuit Diagram-Smps Pcba - JBL PARTY BOX 100 Service Manual

Circuit Diagram-SMPS PCBA

!
RT1
5D-9
! CY904
BD900
470PF/250V
KB307
2 3
!
!
R915 R916
I
1.5M
1.5M
C908 0.1uF/275V
!
!
3 1
L901 !
!
UC19L-30MH
4 2
CY901 330pF250V
!
CY902 330pF250V
C907 0.1uF/275V
!
R917 R918
1.5M
1.5M
!
!
LF900
16X9X5C
VR900
1 2
!
10D471K
!
!
CY900
NC
!
CON900
!
L N
* CAUTION :
THE PARTS MARKED WITH ARE IMPORTANT PARTS ON THE SAFETY.
PLEASE USE THE PARTS HAVING THE DESIGNATED PARTS NUMBER WITHOUT FAIL.
!
FB1
3.5X6MM
L905
C900
+ C914
EC1
100uF/450V
103PF/630V
0.022UF/1000V
R912 R928
D908
470K
470K
M7£ ¨ 1N4007)
!
2
L902
Q1
R930
D907
MMFT70R380P
3.5X9MM
100R
IN4148
2
!
R911 10R
IC900
OB5269
R924 470R
!
8 3
HV SENSE
2 1
FB RT C901
7 6
NC VDD
100P/1KV
R902 2.2R
ZD901
C902
22V
+
R920
0.1UF
68R
C920
NC
CHGND
22R
R906
ZD902
C915
15V
103PF
!
CHGND
!
Connect AC plug
!
!
! !
T1 PQ32 PB100
11
3.5X9MM
1
8
2
12
1
3
10
!
9
4
8
!
C911
1KV/102P
D905
M7
D1
6 MBR20200
5 7
!
102PF/250V
CY903
!
PC900 EL817
R913
3K
4 1
R909
30K
3 2
R904 1K
C903
!
IC901
2A105J
R910
WL431
1K%1
JM900
GND
R903
10R
L1 8uH/6A
LF1 200UH
EC904
+
C910
+ C1
0.1uF 2200uF/35V
0.1uF
R908
75K%1
R929
9.1K%1
Jumper
CON2
6
AGND
5
AGND
4
AGND
3
VCC
2
VCC
1
VCC
6PIN 2.54MM