AOC 198PW, Service Manual

Page: 40 / 80

19” LCD TV AOC 198PW
40
AV_CVBS
ALL-RST 7
Pr+ 5
GNDV
VD1
C248
10uF
C258
0.33uF
C255
NC
C245
0.1uF
ALL-RST
VVS 5
C207
56pF
VD_5V
+1.8V_PLL
C216
0.1uF
MSCL-3.3 7,8
AUDIO1IN_L
AUDIO1_L
C233
0.1uF
R2
6
8
NC
I2c Address S elect:
R261 on: BAh
R262 on: B8h
GNDV
VLLC
R2
6
7
NC
VD_TV
Y OUT7
C206
0.1uF
+1.8V_D
VD4
VVS
CN109
CONN
2
4
6
8
10
1
3
5
7
9
R257 75 Ω 1/10W
C229
NC
SWITCH=0:YPbPr
SWITCH=1:YCbCr
GNDV
C205
10uF
TV_AUDIOL 8
VD7
C228
0.1uF
C240
NC
VD_5V
XT
AL
2
R274 470 Ω 1/10W
C243
0.1uF
C232
10uF
R253
75
Ω 1/10W
VD_Y
Y OUT4
C230
100pF
Y OUT8
R258 75 Ω 1/10W
S_CHR
VD6
C221
0.1uF
VLLC 5
VD[0..7]
XT
AL
1
VI_2B
TV_AUDIOR
C203
56pF
RP102
33 OHM +-5% 1/16W
1
2
3
4
8
7
6
5
C218
0.1uF
U201
TVP5146M2PFP
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
11
VI_1B
VI_1C
CH1_A33GND
CH1_A33VDD
CH2_A33VDD
CH2_A33GND
VI_2A
VI_2B
VI_2C
CH2_A18GND
A18VDD_REF
A18GND_REF
CH3_A18VDD
CH3_A18GND
VI_3A
VI_3B
VI_3C
CH3_A33GND
CH3_A33VDD
C
H
4_A
3
3V
D
D
C
H
4_A
3
3G
N
D
VI
_
4A
C
H
4_A
1
8G
N
D
C
H
4_A
1
8V
D
D
NS
UB
TM
S
SC
L
SD
A
INTRE
Q
DV
DD
DG
N
D
PW
D
N
R
ESET
B
F
SS/
G
P
IO
AVI
D
/G
P
IO
G
LCO
/I2
CA
IO
V
D
D
IOGN
D
DA
T
A
CL
K
DVDD
DGND
Y 9
Y 8
Y 7
Y 6
Y 5
IOVDD
IOGND
Y 4
Y 3
Y 2
Y 1
Y 0
DVDD
DGND
C9/GPIO/FSO
C8/GPIO/BLUE
C7/GPIO/GREEN
C6/GPIO/RED
IO
V
D
D
IOGN
D
C5
/G
P
IO
C4
/G
P
IO
C3
/G
P
IO
C2
/G
P
IO
DV
DD
DG
ND
C1
/G
P
IO
C0
/G
P
IO
FID//G
P
IO
HS
/CS
/G
P
IO
VS/
VBL
K/
G
P
IO
XT
A
L1
XT
A
L2
PL
L
_A1
8
V
D
D
P
L
L_A
1
8G
N
D
C
H
1_
A
18V
D
D
C
H
1_A
1
8G
N
D
VI
_
1A
CH2_A18VDD
AV_CVBS
Y OUT8 VD6
C252
0.1uF
GNDV
+3.3V_D
I2
C
_SEL
C244
0.1uF
VD0
C210
0.001uF
VI_3A
VI_1B
C254
NC
R385
0
Ω 1/10W
+1.8V_D
GNDV
R384
NC 0
Ω 1/10W
+1.8V_D
XSD
A
C261
330pF
C236
100pF
C213
10uF
C220
100pF
L124
600 OHM
1 2
L127
120 Ω
1 2
MSDA-3.3 7,8
PAL COLOR LOCK SOLUTION
VD_5V
C? NC
R2
6
9
NC
VD_AV
VI_2C
VD_Cr
R249 0 Ω 1/10W
C? NC
Y OUT3
VD3
C208
10uF
C249
0.1uF
GNDV
GNDV
R256 0 Ω 1/10W
L128
120 Ω
1 2
C262
330pF
C224
0.1uF
Cut-off the power plane of
Crystal Parts Area
GNDV
AUDIO1IN_L
AUDIO1_R
AUDIO1_R 8
TV_AUDIOL
Y OUT2
C217
0.1uF
C219
NC
+3.3V_D
+1.8V_D
R278
100 Ω 1/10W
GNDV
Y _in
MSDA-5
C211
0.1uF
C241
0.1uF
D132
BAV99
3
1 2
R265
75
Ω 1/10W
C237
0.1uF
S-Video Input
R248 0 Ω 1/10W
C259
0.33uF
C223
0.1uF
C? NC
YOUT1
TV_CVBS
C260
0.33uF
L129
120 Ω
1 2
TV_AUDIOR 8
AUDIO1IN_R
R250
75
Ω 1/10W
VI_3B
VD0
+3.3V_AD
Y OUT6
MSCL-3.3
S_LUM
VI_2C
VD_Cb
R2
7
0
NC
Y OUT9
ALL-RST
SWITCH 7
Pb+ 5
VD_5V
VI_1C
C238
0.1uF
TV_CVBS
VI_2B
VI_1A
AUDIO1IN_R
C225
10uF
C209
0.1uF
Tuner Interface
VD5
Y OUT9
C222
0.1uF
Y OUT5
U707
3 2
1
VI VO
GN
D
Audio1
GNDV
C227
0.1uF
L122
600 OHM
1 2
C215
100pF
X101
14.31818MHz
1
2
VHS
L126
120 Ω
1 2
GNDV
VD_5V
GNDV
GNDV
R254
75
Ω 1/10W
AUDIO1_L 8
+1.8V_PLL
VD1
MSCL-5 8
AV Input
<Doc> <Rev Code>
<Title>
C
5 11 Saturday , December 09, 2006
Title
Size Document Number Rev
Date: Sheet of
VD_5V
GNDV
VI_3A
R255
75
Ω 1/10W
VD_LUM
D127
BAV99
3
1 2
Y OUT3
R260
10K
Ω 1/10W
+3.3V_D
XTAL1
RST
C256
NC
GNDV
GNDV
+1.8V_AD
+3.3V_D
VD_5V
D130
BAV99
3
1 2
RP103 33 OHM +-5% 1/16W
1
2
3
4
8
7
6
5
U406
PI5V330QE
2
5
11
14
3
6
10
13
8
16
15
1
4
7
9
12
A1
A2
A3
A4
B1
B2
B3
B4
GND
VCC
OE
A/B
Y 1
Y 2
Y 3
Y 4
R275
100 Ω 1/10W
D128
BAV99
3
1 2
Y + 5
*Short these ground planes on PCB
+3.3V_AD
+1.8V_D
VD_5V
CN110
JACK
1 2
4 5
7 8
3
6
9
D134
BAV99
3
1 2
VHS
C234
NC
R266
75 Ω 1/10W
GNDV
PWD
R259
0
Ω 1/10W
R2
7
2
NC
TUNER_12V 2
VD2
C257
0.33uF
GNDV
GNDV
PW
D
C247
0.1uF
C231
0.1uF
+1.8V_AD
+1.8V_AD
MSDA-3.3
C251
0.1uF
C202
10uF
MSDA-3.3
R263 0 Ω 1/10W
GNDV
CN108
DIN JACK
8
5
6
1
3
C214
NC
MSCL-5
VI_1A
R2
7
1
NC
VVS
R273
100 Ω 1/10W
R262
10K Ω 1/10W
MSDA-5 8
GNDV
VI_1C
C246
0.1uF
C? NC
GNDV
+1.8V_AD
VD4
TUNER_12V
C239
0.1uF
GNDV
VI_1B
VI_3B
TUNER_12V
Y OUT2
D133
BAV99
3
1 2
R247
100K
Ω 1/10W
U702
AP1117E33LA
1
2 3
ADJ
VOUT VIN
C204
0.1uF
C226
0.1uF
Power Line : +1.1.8V,+12V
VD7
+5V
+3.3V_D
Pr_in
L125
600 OHM
1 2
D131
1N4148W
+3.3V_AD
+3.3V_AD
I2C_SEL
Y OUT5
Video Decoder
TVP5146
VD5
R276
100 Ω 1/10W
C212
0.1uF
VD[0..7] 5
Ground Plane : GND , GNDV
FRONT VIEW
TV Input
XSC
L
+3.3V_D
Pb_in
C250
0.1uF
C242
0.1uF
D129
BAV99
3
1 2
GNDV
VLLC
R264
75
Ω 1/10W
Y OUT6
GNDV
VD3
Y OUT4
RS
T
R261
NC
R277 470 Ω 1/10W
C235
0.1uF
VHS 5
XTAL2
C253
10uF
YOUT0
GNDV
Y OUT7
VD2
VD_5V 2
Power Plane : +1.8V_D , +1.8V_AD,
+3.3V_D, +3.3V_AD,+3.3V, +5V
GNDV
MSCL-3.3
VD_CHR