1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
Title
Number RevisionSize
B
Date: 6/24/2010 Sheet of
File: N:\PCBMGR\..\06696.P2.R3.schdoc Drawn By:
06698 D
24
22uH
L1
Vin
5
SHDN
4
SW 1
GND
2
FB 3
U1
CAT4139TD-GT3
4.7uF/16V
C9
1K
R12
2.0
R14
5V-GND
+5V
9.76
R13
3.9uH
L2
487K
R9
309K
R8
80.6K
R18
66.5K
R19
464K
R16
806K
R11
A
2K1
D2
MBRM120LT1G
0.001C8
24pf
C13
0.33
C16
0.220
C20
470pf
C21
22uf/25V
C12
TMK325BJ226MM
0.1
C26
3.3V
33K
R23
43pf
C23
D3
BAT54S
3.3V
Bklght+
Bklght-
Vcom
Vgh
AVdd
3.3V
D3
G
1
S
2
Q1
FDV305N
5V-GND
+5V
Default: NI
R22 jumper
AVdd: +10.4V
TP5
AO
1
A1
2
A2
3
SCL
14
SDA
15
INT 13
P0 4
P1 5
P2 6
P3 7
P4 9
P5 10
P6 11
P7 12
Vdd 16
Vss
8
U3
PCF8574
S2
SW_46
Maint_SW
Lang_Select
5V-GND
5V-GND
+5V
FDLY
24
PGND
8
DRVP 17
PGND
7
DRVN
18
VCOM 10
SUP 9
COMP
22
IN 11
VGH 15
REF
20
GND
19
SW 6
DLY2
3
SW 5
FB 1
DLY1
2
FBP 12
FBN
21
ADJ
14
GD 23
CTRL
13
CPI 16
VIN 4
TPS65150PWP
?
HTSNK 25
U2
D1
CD214A-B140LF
S1
SW_46
Opt. Lang. Sw.
Opt. Main Sw
Vgl
22uF/6.3V
C11
JMK316BJ226KL
1.0
C14
GMK107BJ105KA
1.0
C15
GMK107BJ105KA
1.0
C27
GMK107BJ105KA
24pf
C22
43pf
C24
43pf
C25
10K
R10
10K
R24
10K
R25
10K
R26
100K
R15
806K
R17
0.33
C17
0.33
C18
0.33
C19
D4
BAT54S
4.7uF/16V
C10
Vgh: +16V
TP9
Vcom: +4V
TP10
Vgl: -7V
TP7
TP6
TP8
GUI Interface
C35
0.1
5V-GND AB
R31
10K
3.3V
A
B
R27
jumper
BACKL
SCL
SDA
Default:R27B
Default:R31B
Backlight Brightness Control
Control Mode R22 R27 R31
Remote – Video Port NO A NO
Remote – I2C YES B NO
Fixed Bright (default) NO B B
RT
07266B DCN6845
D-25