AOC L22W631, Service Manual

Page: 38 / 96

22’’ LCD TV AOC L22W631
38
M
OL
11,
12
100Ω
1/
10W
FB213
300 OHM 1 2
REF
GND2
U
OC
3_SD
A
4,
10
R334
NC 75Ω 1/10W
GND2
SCK 5
R
eqR
eadEv
ent
4
FB209 300 OHM
1 2
GND1
DECDIG 13
C201 0.22uF
R
213
0Ω
1/
10W
C
253
47pF
GND2
R279
1.5KΩ
REF
DIG1
IF
VO
C276 0.1UF
R
228
100Ω
1/
10W
R
247
100Ω
1/
10W
C
231
0.
1U
F
HD_Y 8,11
R
211
10KΩ
1/
10W
FB211
300 OHM 1 2
C
295
2.
2uF
/16V
L204
NC 1.2uH
+
C214 10uF/16V
REF
AV_I
N
R
11
+5V_SW1
C213 0.22uF
FB220
300 OHM 1 2
C
250
47pF
R
253
100Ω
1/
10W
R269
0Ω
C
224
47pF
+12V_SW
+ C268 470uF/16V
R210 100KΩ 1/10W
Q203
PMBS3904
+1.8V_1
+5V_SW
R282
100Ω
R234
27KΩ 1/10W
R
218
100Ω
1/
10W
SC
_I
N
L
11
R
229
100Ω
1/
10W
FB205
300 OHM 1 2
L203
0.56uH R338
100Ω 1/10W
T2448-1-X-X-5-070321
0.5
05. UOCIII
A2
6 13 Wednesday , March 21, 2007
Title
Size Document Number Rev
Date: Sheet of
AGC
R205
10Ω 1/10W
R250
0Ω 1/10W
+ C303
10uF/16V
FB201
300 OHM
1 2
+
C259 100uF/16V
+8V_SW
REF
+3.3Vstb
SIFIN2
C208
NC
FB215
NC 300 OHM 1 2
R236
100Ω 1/10W
SAW
_SW
R
222
N
C
15KΩ
1/
10W
R
245
100Ω
1/
10W
C216 0.1UF
DIG1
+5V_SW1
GND2
GND1
C
VBSO2
11
R
eqC
om
m
4
C
294
0.
1U
F
C272 47pF
GND4
RX
C
244
N
C
47pF
R
252
100Ω
1/
10W
C275 0.22uF
+1.8V_1
VIFIN1
ST
AT
AV1 4,
11
R
227
100Ω
1/
10W
C
255
47pF
TUNGND
+5V_SW
H
POR
11
+
C
229
4.
7uF
/50V
C280 0.1UF
R
259
3.
3KΩ
1/
10W
GND5
GND5
GNDIF
FB203
300 OHM 1 2
R274
10KΩ
C209
NC
F
B219
300
OH
M
1
2
C
225
47pF
REF
WS 5
H
D
M
I_AL
5
UOC3_SCL
R237
NC 100Ω 1/10W
R270
1.2KΩ
X201
24.576MHz
1
2
GND5
DIG1
REF
F
B206
300
OH
M
1
2
RX
Q202
PMBS3904
R283
100Ω
DIG1
REF
C372
NC 0.01uF
C271 1000pF
+3.3Vstb
C
232
2.
2uF
/16V
+5V
+
C210 100uF/16V
C218 0.1UF
R204 10K
Vdrb 2
+
C
293
100uF
/16V
C211 0.0068uF
C301
0.1UF
C269 0.1UF
PR_CR 8,11
AGC
C220 0.01uF
C
254
47pF
DIG1
C
230
0.
0039uF
CN115
CN CONN
1
2
3
4
Follow LOC1
C273 47pF
C217 0.1UF
R271
1.2KΩ
SAW_SW
C
296
0.
1U
F
R335
NC 10KΩ 1/10W
H
POL
11
C355
0.1UF
C368
0.01uF
TUNGND
C
_I
N
11
I2S0 5
IF_OUT
W
P1
R201
100Ω
R336
NC 2.2KΩ 1/10W
SC
_C
VBSI
N
11
VIFIN2
TP102
R208 39KΩ 1/10W
C
221
0.
47uF
R
249
15KΩ
1/
10W
+3.3Vstb
+
C
234
10uF
/16V
C286 0.22uF
R
214
10KΩ
1/
10W
R
246
100Ω
1/
10W
TUNGND
GND2
C288
0.22uF
R
256
10Ω
1/
10W
DIG2
AV_I
N
L
11
R242
100Ω 1/10W
C2070.1UF
Y_I
N
11
F
B216
300
OH
M
1
2
+
C206 100uF/16V
C
300
0.
01uF
DIG2
C267 0.1UF
C
256
47pF C
247
0.
47uF
C
257
47pF
C
227
47pF
C
242
N
C
47pF
R285 1KΩ
C278 0.1UF
GND2
+1.8V_1
F
B217
300
OH
M
1
2
U203 VF45A3D
1
2
3
4
5
INPUT
SWITCHING INPUT
CHIP CARRIER -GROUND
OUTPUT
OUTPUT
R
258
3.
3KΩ
1/
10W
GND2
+ C274 100uF/16V
u202
M24C16
1
2
3
4 5
6
7
8
NC
NC
NC
VSS SDA
SCL
WC
VCC
C2020.1UF
UOC3_SDA
IF
C277 0.22uF
TUNGND
DIG4
SC
_I
N
R 11
H
D
M
I_AR
5
+
C285 100uF/16V
C367 0.22uF
C
290
0.
1U
F
R255
NC 0Ω 1/10W
C
245
0.
1U
F
C
248
0.
47uF
C
239
0.
47uF
+5V_SW1
GND4
GND4
R
215
100Ω
1/
10W
R
224
N
C
100Ω
1/
10W
C
228
2.
2uF
/16V
C284 0.1UF
C262 0.1UF
DIG1
TUNGND
VIFIN1
IF
VO1
AVL/SWO/SSIF/
UOCIII
U201
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
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128
VSSP2
VSSC4
VDDC4
VDDA3(3.3V)
VREF_POS_LSL
VREF_LSR
VREF_HPL
VREF_HPR
VREF_POS_HPR
XTALIN
XTALOUT
VSSA1
VGUARD/SWIO
DECDIG
VP1
PH2LF
PH1LF
GND1
SECPLL
DECBG
AVL/EWD
VDRB
VDRA
VIFIN1
VIFIN2
VSC
IREF
GNDIF
DVBIN1/SIFIN1
DVBIN2/SIFIN2
AGCOUT
EHTO
R
EF
IN
/R
EF
OU
T
AU
D
IOI
N
5L
AU
D
IOI
N
5R
AU
D
OU
T
SL
AU
D
OU
T
SR
D
EC
SD
EM
AM
OU
T
/QSSO/
AU
D
EEM
GN
D
2
PLLI
F
SI
F
AGC
/D
VBAGC
D
VBO/
IF
VO/
F
M
R
O
D
VBO/
F
M
R
O
VC
C
8V
AGC
2SI
F
VP2 SVO/
IF
OU
T
/C
VBSI
AU
D
IOI
N
4L
AU
D
IOI
N
4R
C
VBS4/
Y4
C4 AU
D
IOI
N
2L
AU
D
IOI
N
2R
/SSI
F
C
VBS2/
Y2
AU
D
IOI
N
3L
AU
D
IOI
N
3R
C
VBS3/
Y3
C
2/
C
3
AU
D
OU
T
LSL
AU
D
OU
T
LSR
AU
D
OU
T
H
PL
AU
D
OU
T
H
PR
C
VBSO/
PI
P
SVM
FBISO/CSY
HOUT
VSScomb
VDDcomb
VIN(R/Pr-2/C-X)
UIN(B/Pb-2)
Y IN(G/Y -2/CVBS/Y -X)
Y SY NC
Y OUT
UOUT(INSW-2)
VOUT(SWO1)
INSSW3
R/PrIN3
G/Y IN3
B/PbIN3
GND3
VP3
BCLIN
BLKIN
RO
GO
BO
VDDA1(3.3V)
VREFAD_NEG
VREFAD_POS
VREFAD
GNDA
VDDA(1.8V)
VDDA2(3.3V)
VSSadc
VDDadc(1.8)
IN
T
0/
P0.
5
P1.
0/
IN
T
1
P1.
1/
T
0
VD
D
C
2
VSSC
2
P0.
4/
I2SW
S
P0.
3/
I2SC
LK
P0.
2/
I2SD
O2
P0.
1/
I2SD
O1
P0.
0/
I2SD
I1
P1.
3/
T
1
P1.
6/
SC
L
P1.
7/
SD
A
VD
D
P(3.
3V)
P2.
0/
PM
W
P2.
1/
PW
M
0
P2.
2/
PW
M
1
P2.
3/
PW
M
2
P3.
0/
AD
C
0
P3.
1/
AD
C
1
VD
D
C
1(1.
8)
D
EC
V1V8
P3.
2/
AD
C
2
P3.
3/
AD
C
3
VSSC
1/
P
P2.
4/
PW
M
3
P2.
5/
PW
M
4
VD
D
C
3
VSSC
3
P1.
2/
IN
T
2
P1.
4/
R
X
P1.
5/
T
X
FB214
300 OHM 1 2
REF
UOC3_SDA
C
292
0.
22uF
C
236
0.
1U
F
R337
NC 390Ω 1/10W
GND4
IFVO
DIG5
+
C270 10uF/16V
REF
TUNGND
GOUT 8
FBLIN 11
U204 AF45A3D
1
2
3
4
5
INPUT
SWITCHING INPUT
CHIP CARRIER-GROUND
OUTPUT
OUTPUT
TP101
R262
0Ω 1/10W
DIG5 DIG2
U205
EMI FILTER
1
2
3
R284
150Ω
SIFIN2
FB207
300 OHM 1 2
+3.3Vstb
R278
0Ω
C264 NC 0.1UF
+1.8V_2
ROUT 8
C
238
0.
47uF
+ C299
10uF/16V
R200 100Ω
C261 0.1UF
R339
0Ω 1/10W
GND4
TUNGND
PC
_I
N
R
11
WP1
TX
C373
NC 0.01uF
R275 47KΩ
C305
0.1UF
R
257
10Ω
1/
10W
+5V_SW1
IF_OUT
R
217
390Ω
1/
10W
FB210 300 OHM
1 2
C
298
0.
1U
F
R203
47KΩ 1/10W
C266 47pF
C281 0.22uF
C
237
47pF
C283 0.1UF
TP112
Q302
NC PMS3904
R
220
N
C
15KΩ
1/
10W
REF
FB208 300 OHM
1 2
R
243
100Ω
1/
10W
R251 0Ω 1/10W
R209
680Ω 1/10W
REF
R333
NC 75Ω 1/10W
R280
100Ω
SC
_OL1
11
TX
F
B218
300
OH
M
1
2
+ C370
NC 47UF/16V
R340
NC 2.2K OHM
R
226
100Ω
1/
10W
R238 NC 100Ω 1/10W
R239 NC 100Ω 1/10W
M
OR
11,
12
R
244
100Ω
1/
10W
SC
_OR
1
11
IR 4
C304
0.1UF
FB212
300 OHM 1 2
DIG1
TUNGND
TUNGND
TP113
CN105
CONN
2
4
6
8
10
12
1
3
5
7
9
11
C307
100pF
C
251
0.
1U
F
R235 4.7KΩ
R
219
10KΩ
1/
10W
C2050.1UF
R
254
3.
3KΩ
1/
10W
DIG1
IF
C
240
0.
1U
F
C369
NC 0.01uF
L201
0.56uH
C
233
2.
2uF
/16V
FB204
300 OHM
1 2
R
261
100Ω
1/
10W
GND1
PB_CB 8,11
UOC3_SCL
IFVO1
R276
0Ω
R273
100Ω
FOR NTSC
C
222
47pF
C
223
0.
47uF
D
IG1
U
OC
3_SC
L
4,
10
+ C371
NC 47UF/16V
R
289
100Ω
DIG1
R272
1.2KΩ
GND4
R
eady
C
om
m
4
R
230
100Ω
1/
10W
C263 NC 0.1UF
R281
100Ω
C
235
0.
1U
F
D
IG1
C282 0.1UF
Q204
PMBS3904
DIG4
R
260
0Ω
1/
10W
C
258
47pF
Tuner Board
VIFIN2
Q205
PMBS3904
R
225
100Ω
1/
10W
C265 NC 0.1UF
GND2
R
212
0Ω
1/
10W
C
243
N
C
0.
47uF
D201 BA792
C
226
2.
2uF
/16V
DIG3
+1.8V_1
C
291
0.
1U
F
C306
0.1UF
C287 0.1UF
Hout 2
R
248
100Ω
1/
10W
R277 0Ω
GND1
R241
100Ω 1/10W
C
246
100pF
GND2
+5V_SW1
SIFIN1
SIFIN1
R
221
10KΩ
1/
10W
R207 1MΩ 1/10W
C260 0.1UF
+
C279 100uF/16V
R202
12KΩ 1/10W
DIG1 DIG3
PC
_I
N
L
11
+5V_SW
TUNGND
+5V_SW1
BOUT 8
C
203
0.
1U
F
AV_C
VBSI
N
11
R342
0Ω 1/10W
+3.3Vstb
C219 0.33uF/16V
C
289
0.
22uF
C
252
0.
01uF
R240 100Ω 1/10W
R341
NC 30Ω 1/10W
L202 6.8uH
C
297
0.
22uF
C
249
47pF
C212 2.2uF/16V
R
223
N
C
100Ω
1/
10W
C
241
N
C
0.
47uF