V VIZIO P42HDTV10A, Service Manual

Page: 172 / 219

A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
DV50A
DV18A
DV18A DV18A
AV_V90
DV50A
GPIO
DV33A
DV50B
5VSB
AV_V90
DV18A
TU_V50
DV50A
DV120B
TU_V50
CR-SW
GND
DV50-CR
DV33A-CR
GPIO
LVDS-SEQ
CR-SW
ATSC-SW
ATSC-SW
DV50-ATSC
DV120-ATSC
LVDS-VDD DV120B
5VSB
LVDS-SEQ
GPIO
5VSB
DV33A DV18A
DV33A
DV18A DV18A
DV33A
AV_V90
DV33A
TU_V50 DV50B
DV50A
DV50A
DV120B
5VSB DV50B
DV120B
DV120B
5VSB
DV33A
5VSB
DV33A
DV50-CR
DV33A-CR
DV120B
DV120-ATSC
5VSB
5VSB
DV50-ATSC
DV50A
LVDS-VDD DV120B 5VSB
DV18A 3,4
DV120B 1,8,11
DV50A 3,6,7
DV50B 5,7,9,11
DV33A 1,3,4,6,7,9,10,11,12
5VSB 1,4,7,12
GND 1,3,4,5,6,7,8,10,12,13
TU_V50 8
AV_V90 9
LVDS-SEQ 4
DV33A-CR
DV50-CR
CR-SW 4
GPIO 1,4
ATSC-SW 4
DV120-ATSC 13
DV50-ATSC 13
LVDS-VDD 12
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:
MT8205 DIGITAL POWER
VIZIO P42 HDTV10A_MTK (3842-0122-0150)
2 13
AECN
PD42-M1.PCB
00
01
PD42LK-m0.DSN
0171-2272-2081
Monday, March 13, 2006
1.25x(1+300/680)=1.8V
MT8205 DIGITAL POWER & DECOUPLING
0402 PUT ON NEARLY BGA
0402 PUT ON NEARLY BGA 0402 PUT ON NEARLY BGA
Low ESR
Low ESR
FOR Tuner
Adj ： 1.25x(1+300/680)
Adj ： 1.23x(1+R2/R1)
1.23x(1+1.69K/1K)=3.3V
Dual P-Ch
High = > STANDBY POWER ON
Low = > STANDBY POWER OFF
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.
ATSC POWER
CARD READER POWER
Low = > STANDBY POWER OFF
High = > STANDBY POWER ON High = > STANDBY POWER ON
Low = > STANDBY POWER OFF
增加 Q20
Low = > STANDBY POWER OFF
High = > STANDBY POWER ON
BOM ADD
R378 47K
R10 10K
+
CE16
0.01uF/50V
L5 0/0805
0805L
+ CE108
0.1uF/50V/NC
R125
10K
CB10
0.1uF
0402C
R337
10K/NC
R124
10K
CB11
0.1uF
0402C
+
CE13
220uF/16V
R17
0
CB29
0.1uF
0402C
R22
10K
R16
330
+
CE107
0.1uF/50//N
+ CE8
220uF/16V
Q18
2N3904/NC
2N3904-SOT23
2
1
3
+
CE10
1000uF/16V
R381 47K/NC R379 47K
R152
10K
CB26
0.1uF
0402C
CB183
0.1uF/NC
0402C
R121
10K
Q17
2N3904
2N3904-SOT23
2
1
3
+
CE17
22uF/16V
L7 80ohm
0805L
R19
10K
CB30
0.1uF
0402C
+
CE105
0.1uF/50V
R12
0/0805
CB24
0.1uF
0402C
R15
NC
P-CH
U2
IRF7316
D2
5
S1
1
G1
2
S2
3
G2
4
D2
6
D1
7
D1
8
R380 47K/NC
L23
3.5x6x1.0
F3 2A/125V
CB182
0.1uF/NC
0402C
L4 70uH
R338
10K/NC
CB13
0.1uF
0402C
Q16
2N3904
2N3904-SOT23
2
1
3
P-CH
U19
IRF7316
D2
5
S1
1
G1
2
S2
3
G2
4
D2
6
D1
7
D1
8
R11
0/NC 0805
CB7
0.1uF
0402C
Q19
2N3904/NC
2N3904-SOT23
2
1
3
CB184
0.1uF/NC
0402C
CB31
0.1uF
0402C
R129 10K/NC
Q22 PNP BCE
R210
10K
Q3
2N3904
2N3904-SOT23
2
1
3
L24 80ohm/NC
0805L
CB28
0.1uF
0402C
D2 SB560
U4
LM2596S-3.3
LM2596
FB
4
OUT
2
VIN
1
GN
G
3
ON
5
T
abG
ND
6
P-CH
U3
IRF7316/NC
D2
5
S1
1
G1
2
S2
3
G2
4
D2
6
D1
7
D1
8
Q11 PNP BCE/NC
R324
10K/NC
CB95
0.1uF
0402C
Q21 PNP BCE
CB14
0.1uF
0402C
CB32
0.1uF
0402C
CB93
0.1uF
0402C
L15 3.5x6x1.0
Q24 PNP BCE/NC
CB185
0.1uF/NC
0402C
R127
10K
R325
10K/NC
CB16
0.1uF
0402C
CB25
0.1uF
0402C
R20 47K
+ CE106
0.01uF/50V
+
CE9
220uF/16V
Q20 PNP BCE/NC
L25 80ohm/NC
0805L
L16
0805L(NC)
U5
AZ1086D-1.8
1085
ADJ/GND
1
OUT
2
IN
3
CB12
0.1uF
0402C
R14 560
CB186
0.1uF/NC
0402C
Q23 PNP BCE/NC
R126
10K
U6
UTC78D09A
1085
ADJ/GND
2
OUT
3
IN
1
CB9
0.1uF
0402C
CB15
0.1uF
0402C
P-CH
U7
IRF7316
D2
5
S1
1
G1
2
S2
3
G2
4
D2
6
D1
7
D1
8
C3
0.1uF
0402C
CB27
0.1uF
0402C
Q10
2N3904
2
1
3
R339
10K/NC
CB8 (NC)
+ CE19
0.1uF/50V
+ CE12
220uF/16V
R128 47K
CB94
0.1uF
0402C
R123
10K
CB23
0.1uF
0402C
R326
10K/NC
C4
0.1uF
0402C
R18 0
+ CE11
220uF/16V
+ CE18
220uF/16V
CB17
0.1uF
0402C
R21 10K