Service manual

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
CVBS1
SY
AUO2_R
AUO2_L
CVBS1_GND
CVBS2
CVBS2_GND
SC_SWO
SC_GND
SC
SY_GND
AUO1_L
AUO1_R
SC
AV2
AV3
AUO1L_SWO
SCL_5V
SDA_5V
AV1
AV2
AV2L
AV2R
AV1L
AV1R
AV3
S2C
S2Y
AV3R
AV3L
TU_CVBS
YPBPR1L
YPBPR1R
AUO2L_SWO
AUO2R_SWO
AV1
SC_GND
SY_GND
SY
SY_SWO
CVBS2_GND
CVBS2
CVBS2_SWO
CVBS1_GND
CVBS1_SWO
TU_CVBS
TUL
AV2L
AV2R
AV1L
AV1R
AV3L
AV3R
YPBPR1R
AV1R
TUR
AV2R
AV1L AV2L
AV3R TUR
AV3L TUL
CVBS1
AUO2_L
DTVPB DTVPBSWDTVYSW DTVPR DTVPRSW
CR1 CR1SW
CB1SW
DTVPBSW
CB
Y1SW
DTVYSW
Y
GNDS
GNDS
DV33A
CR1SW
DTVPRSW
CR
Y1
CB1
CR1
Y1_GND
CB1_GND
CR1_GND
Y
CB
CR
Y_GND
CB_GND
CR_GND
CB1Y1 Y1SW
TUL
TUR
CB1
CR1
Y1
DTVPB
DTVPR
DTVY
CR
Y
CB
CB1SW
DTVY
Y_GND
CB_GND
CR_GND
Y1_GND
CB1_GND
CR1_GND
DTVSY
DTVSC
DTVSY
DTVSC
UP1_2
YPBPR1L
YPBPR1R
YPBPR1L
SVDET#
AUO1_L
AUO1R_SWO
UP1_2 YCBCRSEL
YCBCRSEL
SVDET#S1
S2C
GNDV
AV_V90
DV50B
DV33A
GNDS
AUO1R_SWO
AUO2L_SWO
CVBS2_SWO
S2
SCL_5V
SC_SWO
AUO1_R
CVBS1_SWO
GNDS
S1
BIAS
AUO2_R
SDA90H
SY_SWO
S2
AUO2R_SWO
SCL90H
SDA_5V
AUO1L_SWO
SCL90H
SDA90H
DV33A
AV_V90
DV50B
DV50B DV50B
DV50B DV50B
DV50B
AV_V90
AV_V90
AV_V90
AV_V90
CVBS1 10
SY 10
AUO2_L 11
AUO2_R 11
CVBS1_GND 10
CVBS2 10
CVBS2_GND 10
SY_GND 10
SC_GND 10
SC 10
AUO1_R 11
AUO1_L 11
SCL_5V 1,8,13
SDA_5V 1,8,13
AV1 7
AV1L 7
AV1R 7
AV2 7
AV2L 7
AV2R 7
S2Y
S2C
AV3L 7
AV3R 7
AV3 7
TU_CVBS 8
YPBPR1L 7
YPBPR1R 7
TUL 7
TUR 7
Y1 7
CB1 7
CR1 7
DTVY 7
DTVPB 7
DTVPR 7
Y10
CB 10
CR 10
Y_GND 10
CB_GND 10
CR_GND 10
Y1_GND 7
CB1_GND 7
CR1_GND 7
DTVSY 7
DTVSC 7
UP1_2 4
SVDET#
DV33A1,2,3,4,6,7,10,11,12
DV50B2,5,7,11
AV_V902
GNDS
GNDV11
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:
AV SWITCH
VIZIO L32 HDTV10A_MTK (3320-0102-0150)
9
14
APCN05080010
VINC-M3.PCB
00
03
L32HDTV_MTKM0.DSN
0171-2272-1973
Monday, March 13, 2006
AV SWITCH
NEARLY U3 AVSW
YPBPR / SCART1 RGB SWITCH
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.
C85 0.01uF 0402C
C91
0.1uf
0402
R172
100K
C89
0.01uF
0402C
+
CE56 2.2uF/25V
R159
470K
R165
10K
R161
470K
CB168 1uF 0603C
R177 0/NC
R138
10K
C92
0.01uF
0402C
+
CE65
22uF/16V
R157
1K/NC
R176 0
R135
1K/NC
Q5
2N3904
2
1 3
R170
5.6K
C98
1uF/50V
+
CE59 2.2uF/25V
CB170 1uF 0603C
R137
10K
C93
0.01uF
0402C
+
CE66
22uF/16V
R175
10K
R148
75/NC
R179 0/NC
C95
0.01uF
0402C
R168
5.6K
R174
10K
R133 220
R149
470K
R134
10K
+
CE54 2.2uF/25V
Q7
2N3904
2
1 3
R184 0/NC
+
CE70
22uF/16V
R151
470K
R158
75/N.C
+
CE53 10uF/16V
U20
IC MM1492AF_F
SOP44
V1-V
1
V2-V
7
V3-V
13
STV-V
16
MTV-V
43
V1-L
2
V2-L
8
V3-L
14
STV-L
17
MTV-L
44
V1-R
4
V2-R
10
V3-R
15
STV-R
18
MTV-R
42
V1-Y
3
V1-C
5
V2-Y
9
V2-C
11
YIN2
19
ADR
20
CIN2
21
GND
22
S2
12
VOUT2
23
ROUT2
24
COUT2
25
LOUT2
26
YOUT2
27
GND
28
SDA
29
SCL
30
MUTE
31
C1N1
32
GND
33
YIN1
34
ROUT1
35
LOUT1
36
VOUT1
37
BIAS
38
YOUT1
39
VCC
40
S1
6
COUT1
41
R169
5.6K
R132 47
R155 220
+
CE69
22uF/16V
CB133
22pF
0402C
C88
0.01uF
0402C
R147
1K/NC
U21
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
R143
220
R162
470K
R154 47
TP43
R163
470K
+
CE58 2.2uF/25V
C90
0.01uF
0402C
+
CE60 2.2uF/25V
R183
5.6K
R182
5.6K
R173
10K
R145 220
R178 0
R167 NC
CB169 1uF 0603C
R146
10K
C96
0.01uF
0402C
CB134
22pF
0402C
+
CE52 10uF/16V Q4
2N3904
2
1 3
CB92
0.1u
CB165 1uF 0603C
C97
0.01uF
0402C
C86 0.01uF
+
CE64 2.2uF/25V
+
CE63 2.2uF/25V
+
CE55 2.2uF/25V
R142
1K/NC
TP44
R144 47
R180 0
R160
470K
R141
10K
+
CE68
22uF/16V
R156
10K
R195
470K
R166
10K
CB166 1uF 0603C
TP45
R130 33
R140 220
R171 75
R150
470K
R185 0
+
CE57 2.2uF/25V
CB171 0.1uF 0402C
Q6
2N3904
2
1 3
+
CE61 2.2uF/25V
C94
0.01uF
0402C
R181
5.6K
C127
0.01uF
0402C
R153
470K
+
CE67
22uF/16V
CB167 1uF 0603C
R136
220
R131 33
+
CE62
22uF/16V
R139 47
R164
10K