Service manual

A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
+5V
AV33
DV33
DV25
DV12
+5V_tuner
DV33_DM
DV18
+12V
GND
AV33
+5V DV25
DV33 DV12
+5V_Tuner
+12V
DV33
+5V
DV33_DMDV33
+5V
+12V
DV18
DV33_DM
+5V
DV33_DM
GND1,3,4,5,6,7,8,9
+5V1,6,9
AV335,6
DV331,5,6,8
DV255,6,7
DV125,6
+5V_tuner3
DV33_DM4
DV184
+12V1,9
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:
POWER
VIZIO L32 HDTV10A (3320-0012-0187)
2
9
APCN05080010
37ATSC-M1.BRD
00
01
HDTV_MTKATSC0.DSN
0171-1472-0321
Wednesday, March 15, 2006
GLOBAL SIGNAL
POWER SUPPLY +2V5 FOR MT5351 AND DDR
1.25 x (1+0/0) = 1.25V
POWER SUPPLY +1V2 FOR MT5351
1.25 x (1+510/470) = 2.6V
POWER SUPPLY +3V3 FOR MT5351 (ANALOG)
1.25 x (1+120/270) = 1.8V
POWER SUPPLY +1V8 FOR MT5111
POWER SUPPLY +5V FOR TUNER
Low ESR
Adj ： 1.23x(1+R2/R1)
1.23x(1+1.69K/1K)=3.3V
POWER SUPPLY +3.3V FOR MT5111
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.
R117
0
0402R
C16
0.1uF
0402C
C6
0.1uF
0402C
R4
NC
0402R
M3
SCREW
1
3
5
7
6 4
28
+
C19
220uF/16v
ECD8
+
C11
220uF/16v
ECD8
R5
NC
0402R
+
C12
220uF/16v
ECD8
R3
330
U3
AZ1117/1.8V
SOT_223
ADJ/GND
1
OUT
2
IN
3
TAB
4
+
C5
220uF/16v
ECD8
+
C239
220uF/16v
ECD8
L4
80ohm
0805L
+
C13
1000uF/16V
C14
0.1uF
0402C
U4
AZ1117/2.5V
SOT_223
ADJ/GND
1
OUT
2
IN
3
TAB
4
C241
0.1uF
0402C
+
C26
220uF/16v
ECD8
C7
0.1uF
0402C
F1 2A/125V
L34
80ohm
0805L
U1 KA7805/TO220-DIP/5V
7805
ADJ
2
IN
1
OUT
3
VOUT
4
L7
80ohm
0805L
L5 70uH
R9
0
0402R
R6
0
0402R
+
C4
220uF/16v
ECD8
U2
LM2596S-ADJ
LM2596
FB
4
OUT
2
VIN
1
GNG
3
ON
5
TabGND
6
D1
SB560
L10
80ohm
0805L
L6
NC
0805L
+
C18
220uF/16v
ECD8
C15
0.1uF
0402C
R116
NC
0402R
+
C20
220uF/16v
ECD8
C27
0.1uF
0402C
C21
0.1uF
0402C
C9
0.1uF
0402C
M2
SCREW
1
3
5
7
6 4
28
R7
0
0402R
+ C8
1000uF/16v
ECD10
C28
0.1uF
0402C
R2 560
L3
NC
0805L
C22
0.1uF
0402C
L9
80ohm
0805L
M1
SCREW
1
3
5
7
6 4
28
+
C25
220uF/16v
ECD8
L8
80ohm
0805L
C10 NC
L36
80ohm
0805L
M4
SCREW
1
3
5
7
6 4
28
L35
NC
0805L
C23
0.1uF
0402C
U19
AZ1117/3.3V
SOT_223
ADJ/GND
1
OUT
2
IN
3
TAB
4
R8
100
0402R
+
C17
220uF/16v
ECD8
U5
AZ1117/adj
SOT_223
ADJ/GND
1
OUT
2
IN
3
TAB
4
C24
0.1uF
0402C