Service manual
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
PWM0
OBO7
OBO0
OBO5
PWM0
UP3_0
OBO[0..7]
IR
AP[0..7]
AN[0..7]
CLK1+
CLK1-
UP3_0
BL_ON/OFF
OGO5
OBO1
PWM_DIM
BL_ON/OFF
OGO5
PCRXD
GND
5VSB
PCRXD
PCTXD
PCTXD
OBO2
CLK2+
CLK2-
IR
OBO6
OBO3
OBO4
OBO1
OBO0
OBO7
OGO5
IR
OBO6
OBO5
OBO4
OBO3
OBO2
RxD
TxD
U2TX
U2RX
U0TX
PCRXD
U0RX
PCTXDPCTXD
PCRXD
PWM_DIM
LVDS_ROTATE LVDS_OPTION
LVDSVDD
GND
AP2
AN5
CLK1+
AN6
LVDSVDD
GND
AN2
CLK2-
CLK2+
LVDSVDD
AN1
AP4
CLK1-
LVDS_ROTATE
AP7
AP0
AN4
AP3
LVDS_OPTION
AN7
GND
AN0
AN3
GND
AP5
AP6
GND
LVDSVDD
AP1
TU_V50
DV33A
5VSB
U2TX
RxD
8302TXD
U0RX
TxD
U0TX
8302RXD
U2RX
LVDS-VDD
DL_SW1
DL_SW2
DL_SW1
RxD
8302TXD
8302RXD
PCRXD
PCTXD
DL_SW2
GND
TxD
DV33A
TXD
RXD
DV33A
DV33A
5VSB
5VSB
DV33A
DV33A
5VSB
DV33A
DV33ADV33A
LVDS-VDD
DV33A
DV33A
5VSB
DV33A DV33A
IR 4,7,14
OBO[0..7] 4
PWM0 4
UP3_0 4
AP[0..7] 4
AN[0..7] 4
CLK1+ 4
CLK1- 4
PWM_DIM 1
BL_ON/OFF 1
OGO5 4
CLK2+ 4
CLK2- 4
5VSB1,2,4,7,14
DV33A1,2,3,4,6,9,10,11
GND1,2,3,4,5,6,7,8,10,13,14
TU_V502,8
8302RXD 7
U2RX 13
U0RX 13
U0TX 13
8302TXD 7
TxD 4
U2TX 13
RxD 4
LVDS-VDD2
ORO1 ORO0
I2C_SW
FCLK
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
AmTRAN
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESING BY:
LVDS OUT & KEYPAD
VIZIO L32 HDTV10A_MTK (3320-0102-0150)
12
14
APCN05080010
VINC-M3.PCB
00
03
L32HDTV_MTKM0.DSN
0171-2272-1973
Monday, March 13, 2006
LVDS OUT
Back Light circuit
KEYPAD - MAX 7-KEYS
SOURCE
MENU
UP
DOWN
RIGHT
LEFT
AUTO
PWR KEY
LED
AU R272 1K R271 NC
LG R272 NC R271 1K
ALL RESISTORS 0402 WATT,5% UNLESS NOTED.
ALL CAPACITOR VALUES IN uF UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
NOTE : NC MEANS "NOT CONNECTED ON PCB BOARD"
ALL CAPACITORS 50 VOLT & 105"C UNLESS NOTED.
M= METAL 1%
ALL RESISTORS 25 VOLT IN .1uF UNLESS NOTED.
SL
H
PC ==> MT5351UART0
MT5351 UART2<==> MT8205<==>MT8302
PC ==> MT8205
PC TXD ==> MT5351UART0 RX
PCTXD--PC
U0TX--MT5351/DOWNLOAD
U0RX--MT5351/DOWNLOAD
PCRXD--PC
U2RX--MT5351/MT8205 COMMUNICIATE
RXD--MT8205
U2TX--MT5351/MT8205 COMMUNICIATE
TXD--MT8205
C54
0.1uf
C137
0.1uF
R376
4.7K
R302
N.C
P11
RJ11
1
2
3
4
5
6
7
8
R312 0/470
CB181
0.1uF
R274 4.7K
C58
0.1uf
R265
10K/NC
R275
4.7K
C55
0.1uf
J7
12x1 W/HOUSING
W200-8A
1
2
3
4
5
6
7
8
9
10
11
12
R373
4.7K
U24
IDTQS3VH257
SOIC16
I1B
6
I0A
2
I1A
3
S
1
YA
4
I0B
5
YB
7
GND
8
I0D
14
E#
15
I1D
13
I0C
11
YD
12
VCC
16
I1C
10
YC
9
L19
3.5x6x1.0
R273 1K
C59
0.1uf
R313 0/470
C136
0.1uF/NC
C56
0.1uf
+
CE4
10uF/16V
R305 0/470
R224
0
C61
0.1uf
R266
10K/NC
R303
47K/NC
U25
IDTQS3VH257/NC
TSSOP16
I1B
6
I0A
2
I1A
3
S
1
YA
4
I0B
5
YB
7
GND
8
I0D
14
E#
15
I1D
13
I0C
11
YD
12
VCC
16
I1C
10
YC
9
F4
0/0805
0/0805
J6
FI-SE30P-HF
W125S-30A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
R307 0/470
C60
NC
+
CE97
100uF/16V
R230
47K
R269
10K/NC
R236 0
R309 0/470
R270
0
RN36
4.7Kx4
12
34
56
78
R311 0/470
R285
0
R282 2.2k/NC
C51
0.1uf
R280 4.7K
R384
1K/NC
R279
1K
R304 0/470
R267 NC
R281 2.2k/NC
C52
0.1uf
R271
1K
R268 NC
RN37
4.7Kx4
12
34
56
78
R306 0/470
C53
0.1uf
R276
NC
R272
1K/NC
Q12
2N3904
2N3904-SOT23
2
1 3
R308 0/470
Q13
2N3904
2N3904-SOT23
2
1 3
C57
0.1uf
R310 0/470