5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
GND
+12V
+5V
+5VSB
OPWRSB
OPCTRL2
VCCK
BL_ON/OFF
DIMMING
ADIN4
+12V_DVD
ADIN4
OPWRSB
SW_POWER
OPWM2
+3V3SB
OPWM2
VCCK
+12V
+5V
+12V
+5V_DVD
+5V_DVD
+12V
+5VSB
+5VSB
+12V
GND
3,4,5,6,7,8,9,10,11,12,13
OPWRSB
4
+5V
3,6,8,10,12
+12V
3,10,11,12,13
+5VSB
3,6,9
OPCTRL2
4,6
VCCK
3,4
BL_ON/OFF
12
DIMMING
12
ADIN4
4
+3V3SB
3,6,9
OPWM2
12
Title
Size
Document Number
Rev
Date:
Sheet
of
MediaTek Inc.
TEL:(03)567-0766 FAX:(03)578-7610
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
Drawn
MT5305A P1V1
V1
C
14
15
Monday, March 29, 2010
BACK LIGHT/MAIN POWER
MediaTek Confidential
Title
Size
Document Number
Rev
Date:
Sheet
of
MediaTek Inc.
TEL:(03)567-0766 FAX:(03)578-7610
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
Drawn
MT5305A P1V1
V1
C
14
15
Monday, March 29, 2010
BACK LIGHT/MAIN POWER
MediaTek Confidential
Title
Size
Document Number
Rev
Date:
Sheet
of
MediaTek Inc.
TEL:(03)567-0766 FAX:(03)578-7610
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
Drawn
MT5305A P1V1
V1
C
14
15
Monday, March 29, 2010
BACK LIGHT/MAIN POWER
MediaTek Confidential
LO = > POWER_ON
HI = > STANDBY
By Ray
5V MAIN POWER
shielding of 20-mil GND
0.925 x (1+Rup/Rdn) = 5.04V
shielding of 20-mil GND
DVD 5V POWER (OPTION)
0.925 x (1+Rup/Rdn) = 5.04V
DVD POWER SUPPLY
Hi : DVD Work
Lo : DVD Standby
MAIN POWER
5V&12V
Lo : DVD PowerOn
Hi : DVD PowerOff
R8
2.2K
R8
2.2K
+
CE2
220uF/16V
+
CE2
220uF/16V
C20
0.1uF
C20
0.1uF
Q4
2N3904
Q4
2N3904
1
3
2
C13
0.1uF
C13
0.1uF
XQ2
2N3904
XQ2
2N3904
1
3
2
T6
T6
L3
10uH/3A
L5_9
L3
10uH/3A
L5_9
1
2
Q3
2N3904
Q3
2N3904
1
3
2
CPR14
0
R1206/SMD
CPR14
0
R1206/SMD
L4
10uH/3A
L5_9
L4
10uH/3A
L5_9
1
2
T4
T4
R89
100K
R89
100K
R9
2.7K_1%
R0603/SMD
R9
2.7K_1%
R0603/SMD
C14
0.1uF
C14
0.1uF
C5
10nF
C5
10nF
CPC30
10nF
CPC30
10nF
CNA1
TJC3-7A
SIP-7P-2.5/HAIER_W
CNA1
TJC3-7A
SIP-7P-2.5/HAIER_W
1
2
3
4
5
6
7
XR14
47K
XR14
47K
T12
T12
CPC32
0.1uF
CPC32
0.1uF
+
220uF/16v
CPC34
+
220uF/16v
CPC34
R21
100K
R21
100K
R4
12K_1%
R0603/SMD
R4
12K_1%
R0603/SMD
R7
2.7K_1%
R0603/SMD
R7
2.7K_1%
R0603/SMD
XR10
4.7K
XR10
4.7K
C3
0.1uF
C3
0.1uF
C19
10nF
C19
10nF
C4
10nF
C4
10nF
CPC37
10nF
CPC37
10nF
R91
10K
R91
10K
CPU2
MP1484
CPU2
MP1484
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
D13
ESD_0402_10pF
D13
ESD_0402_10pF
1
2
CPC28
1uF
CPC28
1uF
C18
0.1uF
C18
0.1uF
+
CE649
220uF/16V
+
CE649
220uF/16V
T2
T2
D12
ESD_0402_10pF
D12
ESD_0402_10pF
1
2
T5
T5
R90
100K
R90
100K
R10
2.2K
R10
2.2K
D14
ESD_0402_10pF
D14
ESD_0402_10pF
1
2
CPU1
MP1484
CPU1
MP1484
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
R5
12K_1%
R0603/SMD
R5
12K_1%
R0603/SMD
D11
B340/NC
D11
B340/NC
CPC38
1uF
CPC38
1uF
R3
1K
R3
1K
C21
10nF
C21
10nF
+
CPC31
470UF/16V
+
CPC31
470UF/16V
Q46
2N3904
Q46
2N3904
1
3
2
T3
T3
XR7
1K
XR7
1K
CN6
DVD_PWR
CN6
DVD_PWR
GND
3
GND
4
+12V
5
STB
1
+5V
2
T1
T1
T11
T11
CPC29
0.1uF
CPC29
0.1uF
R20
10K
R20
10K
D3
B340/NC
D3
B340/NC