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1-5. SCHEMATICS AND SUPPORTING INFORMATION
A BOARD SCHEMATIC DIAGRAM (PAGE 1 OF 18)
1
|
2
|
3
A
MAIN POWER
CN701
—
AC_DET#
INVERTER_DET#
2
1
5V
5V
4
3
24V
STANDBY_CON
6
5
24V
8
7
+12VSB
10
9
12
11
INVERTER_ON_OFF
14
13
BRIGHT_ADJ
B
CONN
—
C
3V3SB
U702
+5VSB
G1117-33T63Uf
3
2
R708
VI
VO
0R05 4A 1/4W
—
C711
+ C710
1uF 25V
100uF16V
D
AVDD3V3
DVDD3V3
U701
+5V_SW
G1084-33TU3Uf
R718
3
2
VIN
VOUT
0R05 4A 1/4W
+
—
C720
C719
1uF 25V
100uF16V
del R711
E
—
AC_DET#
F
AVDD1V2
1.2 x (1+ 0/110) = 1.2V
AVDD3V3
U705
G912T63U
R732
3
2
VI
VO
—
0R05 4A 1/4W
R733
+
C727
NC
C728
100uF/16V
1uF 25V
G
R734
0R01 1/10W
—
H
—
I
—
KDL-22BX325/32BX325/32BX425/40BX425
|
4
|
5
|
6
+5V Switch
FB701
+5VSB
120R/6000mA
+5VSB
1
2
1
2
+24V
FB704
(+16V) for 22"
F700
120R/6000mA
+12VSB
5A 32V
VCCK
R705
STANDBY 14
1K 1/10W
R707
Q703
C705
HI = > POWER_ON
R706
2.7K 1/10W
BC847C
100K 1/10W
LO = > POWER_OFF
1uF 25V
C706
NC/4U7 6V3
FB707
+5VSB
33 OHM
3V3SB
C707
C712
C708
1uF 25V
1uF 25V
10uF 10V
U703
R715
10NF 50V
9
E-Pad
1K 1/10W
C714
C713
8
1
SS
BST
0.1uF 50V
7
2
EN
VIN
6
3
Vout = 0.9x(R1+R2)/R2
COMP
SW
OPWRSB
5
4
FB
GND
R716
L701
4.7uH
BD9329EFJ
10K 1/10W
R714
2K 1/16W
R712
3.24K 1%
R1
C721
6.8nF 50V
R2
R713
13K OHM +-1% 1/16W
DVDD3V3
BRIGHT ADJUST
DVDD3V3
R717
AC Detect
4.7K 1/10W
R719
AC_DET
Q701
AC_DET
2SK1828
100R 1/10W 5%
R725
R727
4.7K 1/10W
1
100R 1/10W 5%
C701
0.1uF 50V
R701
R729
BL_DIMMING
C724
68K 1/10W
NC/0.1uF 50V
0R01 1/10W
|
7
|
8
|
9
|
+12V
+5V_SW
+12VSB
1
Q702
FB702
120R/6000mA
del R702
C702
AON4421
1uF25V
R704
FOR
51K 1/10W
19"22"
+ C704
16V
SWITCH
330UF 25V
6,8,11,13,14,15,16,17,18
12,15,18
7,8,10,14,18
6,9,10,14,15,16,19
5,8,11,12,13,14,15
8,9,10,13,15,16
VCCK
3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
R710
0R05 4A 1/4W
Control Interface
C716
C717
C718
+
C715
0.1uF 50V
10uF 10V
NC/10U 10V
330UF 25V
14
14
Detection
14
INVERTER_DET#
14
INVERTER ON/OFF
+5V_SW
DVDD3V3
DVDD3V3
Bright_Adj
Max:3.3V
R724
INVERTER ON/OFF
NC/4K7 1/10W
Min: 0V
4.7K 1/10W
H: OFF
R726
L: ON
R728
10K 1/10W
BRIGHT_ADJ
R730
100R 1/10W 5%
BL_ON/OFF
Q705
MMBT3904
C726
4.7K 1/10W
R731
NC/22 10V
4.7K 1/10W
A 1/18
SYSTEM POWER
10
|
11
+12V
2
C703
+
470uF 16V
12
+24V
+24V
+5V_SW
+5V_SW
4,7,18
+5VSB
+5VSB
+12V
+12V
3V3SB
3V3SB
DVDD3V3
DVDD3V3
AVDD3V3
AVDD3V3
AVDD1V2
AVDD1V2
10,14
VCCK
VCCK
14
+12VSB
+12VSB
1
4
2
4
V
24V
GND
OPWRSB
10
OPWRSB
BL_DIMMING
BL_DIMMING
BL_ON/OFF
BL_ON/OFF
INVERTER_DET#
AC_DET
AC_DET
+5V_SW
DVDD3V3
R721
R722
2K 1/10W
INVERTER_ON_OFF
Q704
MMBT3904
C725
10uF 10V
NC/MMBT3906 PNP
1
Q706
1-857-922-11 <AZ2TK> A-P1
KDL-22BX325/32BX325/32BX425/40BX425
15
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