Akai CT-S21MTD-E3 Service Manual Page 13

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A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
3. MT8205E PBGA388
MT8205P1V3.2
1. INDEX
4. MT8205 ANALOG DECOUPLING
MT8205E (PBGA388) LCDTV BOARD 4 LAYERS
AUIO IN/OUT GND ANALOG INPUT GND
5. MT8205 DIGITAL DECOUPLING
6. ICE I/F
7. DDR MEMORY & FLASH
8. DVI INPUT
11. VIDEO IN & TUNER I/O
12. AUDIO / VIDEO IN CIRCUIT
13. WM8776 AUDIO CODEC
14. LVDS / CRT / TTL OUT
15 BACK LIGHT / KEYPAD
16. READER CARD I/F
DIGITAL GND
Rev DateP#History
V0.1 2004/11/29
9. AD9883
10. VGA IN & PC AUDIO IN
SYSTEM EEPROM
2. LDO
For Tuner
FOR Tuner
ORO7 High :POWER OFF
ORO7 LOW :POWER ON
TO Power BD
1.FIRST VERSION
UP3_0 BLACKLIGHT ON/OFF
MUTE<-->UP1_5
V0.2 1. 2.5V use 5VSB conversion. All 0402 change to 0603
2005/03/09
2. LED_RED/GRN CIRCUIT CHANGE
3. Change Power on/off circuit(ORO7 CTRL PIN)
4. WM8776 DVDD Needed
5. Del the Si9936 LVDS Parts
6. Del DVI&AD9883 PARTS
RS-232
INDEX
V0.1
LCD TV - MediaTek MT8205 Solution
C
116Tuesday, May 10, 2005
Title
Size Doc Number Rev
Date: Sheet of
TXD
RXD
SCL
SDA
SDA
SCL
TUNER_12V
SYS_PWR
ORO7
TUNER_12V
MUTE
+12V
ORO7
RSTXD
RSRXD
INVERTER_PWR
PWR_GND
RXD
TXD
RxD
TxD
TXD 3
RXD 3
SDA 6,9,11,13
SCL 6,9,11,13
TUNER_12V 11
UP1_5 6
+12V 2
ORO7 3
TXD
RXD
DV33A
5VSB
5VSB
VCC
5VSB
+12V
5VSB
24V
5VSB
+12V
5VSB
L14
FB
BEAD/SMD/0805
H1
HOLE/GND
2
3
4
5
9
8
7
6
1
2
3
4
5
9
8
7
6
1
H2
HOLE/GND
2
3
4
5
9
8
7
6
1
2
3
4
5
9
8
7
6
1
C6 0.1uF
R359
10k
R54
10k
C7 0.1uF
H3
HOLE/GND
2
3
4
5
9
8
7
6
1
2
3
4
5
9
8
7
6
1
CB75
0.1uF
C1 0.1uF
+
CE16
220uF/16v
C220UF16V/D6H11
R364
4.7k
Q14
2N3904
SOT23/SMD
1
3 2
+
CE17
47uF/16v
U13
EEPROM 24C16
SOP8/SMD
1
2
3
4 5
6
7
8
NC
NC
NC
GND SDA
SCL
WP
VCC
CB11
0.1uF
J24
DIP8/P2.0
1
2
3
4
5
6
7
8
J108
8x1 W/HOUSING
DIP8/W/H/P2.54
1
2
3
4
5
6
U6
MAX232A
13
8
11
10
1
3
4
5
2
6
12
9
14
7
16
15
R1IN
R2IN
T1IN
T2IN
C+
C1-
C2+
C2-
V+
V-
R1OUT
R2OUT
T1OUT
T2OUT
VCC
GND
H5
HOLE/GND
2
3
4
5
9
8
7
6
1
2
3
4
5
9
8
7
6
1
P5
CONNECTOR DB9
5
9
4
8
3
7
2
6
1
R51
10k
J2
4x1 W/HOUSING
DIP4/W/H/P2.0
1
2
3
4
+
CE93
220uF/16v
C220UF16V/D6H11
H4
HOLE/GND
2
3
4
5
9
8
7
6
1
2
3
4
5
9
8
7
6
1
C3 0.1uF
J6
5x1 W/HOUSING
DIP5/W/H/P2.0
1
2
3
4
5
H6
HOLE/GND
2
3
4
5
9
8
7
6
1
2
3
4
5
9
8
7
6
1
R53
10k
C8
0.1uF
R52
10k
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