53
DV33
A
V
DD3
3
59
19
19
A
V
DD3
3
DV
DD3
3
TS0INDATA[0..7]
T
UNE
R_
S
D
A
R239
0R05 1/10W 5%
AOSDATA4
TUNER SIGNAL
IF_AGC
58
22
FB233
600R/200mA
1
2
C236
100N 16V
TS0INDATA[0..7]
10
DV
DD3
3
TUNER_SDA1
C282
10P 50V
TS0INDATA2
R233
100 OHM +-5% 1/10W
21
TS0INCLK
C249
100N 16V
C289=NC
CHN_DEC_RESET
FB234
600R/200mA
1
2
AV33
2,7,15,16,17
TS0INDATA7
DVDD18
TS0INVALID
C243
100N 16V
TS_CKO
DEMOD CONTROL
13
TS0INDATA1
11
CLOSE TO MT5131
DV
DD1
8
R230
0R05 1/10W 5%
DV
DD1
8
GND
C244
NC/100N 16V
R231
1MOHM +-5% 1/10W
TS0INDATA6
11
12
R234
0R05 1/10W 5%
RN230
8P4R 33 OHM +-5% 1/16W
1
2
3
4
8
7
6
5
FAT_IN-
3
TS0INVALID
10
59
RN232
8P4R 33 OHM +-5% 1/16W
1
2
3
4
8
7
6
5
XTALI
DVDD33
DVDD33
R242 1K 1/10W 5%
Digital 3.3V Bypass Caps
TS0INSY NC
10
TS0INSY NC
24
SIF_SDA
TS_SY NCO
C290
220N 16V
C240
100N 16V
C283
10U 10V
SI
F
_
SD
A
DVDD33
C289=10uF
ADVDD33_1
IF_AGC
RESET/
58
TUNER_SDA1
TS0INDATA3
IF_AGC
3
TS_DATAO
RE
F
B
O
T
FAT_IN-
FB230
600R/200mA
1
2
TUNER_SDA1
3
DVDD18
FB232
600R/200mA
1
2
DV33
1,2,5,6,9,10,15,16,17
XTALO
R235
0R05 1/10W 5%
C244,C291=0.1uF
TS0INDATA4
22
C281
10U 10V
TS_DATAO
3,10
TS0INERR
AV33
L230
NC/0.22uH
Component
C248
100N 16V
DVDD18
21
TS0INDATA5
VC
M
EXT
CHN_DEC_RESET
TUNER_SCL1
C278
100N 16V
C237
NC/120pF
Y 230
27.000MHz
1
2
CHN_DEC_RESET
6
T
UNE
R_
S
C
L
DVDD33
TUNER_SCL1
3
AOSDATA4
C231
27P 50V
18
R241
1K 1/10W 5%
FB231
600R/200mA
1
2
C284
220N 16V
FAT_IN-
C242
100N 16V
DV33
MT5131_IF_AGC
AV33
16
R237
NC/4K7 1/10W 5%
C279,C284,C290=220nF
20
C280
10U 10V
RN231
8P4R 33 OHM +-5% 1/16W
1
2
3
4
8
7
6
5
AV33
XTALI
DVDD33
C247
100N 16V
C230
1N 50V
Digital 1.8V Bypass Caps
TS0INCLK
XTALI
C289
NC/10U 10V
3
A
V
DD3
3
23
MAIN_SDA
18
SIF_SCL
C279,C284,C290=0.1uF
DV18_12_DM
2
TS_VALIDO
DV
DD1
8
DV
DD3
3
C286
27P 50V
TS TO MT8295
R238
1K 1/10W 5%
TS0INSY NC
SI
F
_
S
C
L
A
V
DD3
3
C287
1N 50V
DVDD18
VC
M
E
XT
DVDD33
C246
100N 16V
If Stuff MT5133
T
UNE
R_
S
C
L
MT5131_IF_AGC
R236,R237=NC
R
E
FTO
P
DV
DD1
8
DVDD33
C233
100N 16V
MAIN_SCL
6,11
DV33
R232
0R05 1/10W 5%
C245
100N 16V
23
C232
100N 16V
16
RE
F
B
O
T
C285
47N 16V
R236
NC/4K7 1/10W 5%
X230
NC/27MHZ
4
3
2
1
VCC
OUT
GND
EN
RESET/
C288
NC/47PF 50V
C293
100N 16V
TS_SY NCO
3,10
AOSDATA4
16
R
E
FTO
P
TS FROM MT8295
C292
100N 16V
DVDD33
TS_CKO
3,10
DVDD33
U230
NC/MT5131PE
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
AVDD
AVSS
NC
AVSS
XTALI
XTALO
AVDD
ALC_IN
VDD1.8
DGND
TSDATA7
TSDATA6
TSDATA5
VDD3.3
DGND
TSDATA4
TS
D
A
TA
3
TS
D
A
TA
2
TS
D
A
TA
1
TS
D
A
TA
0
T
SER
R
T
SVAL
T
SSYN
C
TS
C
L
K
NC
V
DD3
.3
DG
N
D
DG
N
D
V
DD1
.8
HO
S
T
_
S
CL
HO
S
T
_
S
DA
V
DD3
.3
XTAL_SEL
LOCK
VDD1.8
DGND
VDD3.3
DGND
NC
NC
/RESET
NC
SLEEP
CLK_SEL
SA0
SA1
SA2
VDD3.3
IF_
A
G
C
RF
_
A
G
C
T
UNE
R_
S
D
A
T
U
NE
R_
S
C
L
DG
ND
VD
D
1
.8
AD
VD
D
3
.3
AVSS
AVD
D
IN
-
IN
+
AVD
D
AVSS
RE
F
B
O
T
VC
M
E
XT
RE
F
_
T
O
P
MAIN_SDA
6,11
13
20
R240
NC/51R 1/10W
AVDD33
C294
NC/22P 50V
T
UNE
R_
S
D
A
TUNER_SCL1
C234
100N 16V
If Stuff MT5131
DVDD33
24
C291
NC/100N 16V
17
R236,R237=4.7K
C238
100N 16V
TS0INDATA0
DV18_12_DM
AVDD33
C235
100N 16V
MAIN_SCL
Reserved
TS0INCLK
10
Analog 3.3V Bypass Caps
MAIN_SDA
AVDD33
DVDD18
TS_VALIDO
3,10
C241
100N 16V
AD
VD
D
3
3
_
1
U231
MT5133_48-PIN
48
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
49
A
V
D
D
33_
3
AVSS33_3
AVSS33_2
XTALI
XTALO
AVDD33_2
ALC_IN
VDD1.2
DGND1.2
TSDATA7
TSDATA6
TSDATA5
VDD3.3
TS
D
A
TA
4
TS
D
A
TA
3
TS
D
A
TA
2
TS
D
A
TA
1
TS
D
A
TA
0
TS
E
R
R
TS
V
A
L
TS
S
Y
N
C
TS
C
L
K
VD
D
3
.3
D
G
ND3
.3
VD
D
1
.2
HOST_SCL
HOST_SDA
VDD1.2
VDD3.3
DGND3.3
XTAL_SEL0
XTAL_SEL1
/RESET
GPIO0
VDD3.3
IF_AGC
RF_AGC
T
UNE
R_
S
D
A
T
U
NE
R_
S
C
L
DG
ND
1
.2
VD
D
1
.2
AVSS
3
3
_
1
A
V
D
D
33_
1
IN
-
IN
+
RE
F
B
O
T
VC
M
E
X
T
R
E
F_
TO
P
GN
D
AVDD33
TS0INVALID
C239
100N 16V
MAIN_SCL
12
C244,C291=NC
(OSCILLATOR)
GND
1,2,3,5,6,7,8,9,10,11,12,13,14,15,16,17
XTALO
TUNER CONTROL
CL=20P
DV18_12_DM
17
C279
220N 16V
Содержание AT3245
Страница 1: ...1 Acer AT3245 AT3246 Service Guide ...
Страница 7: ...7 Monitor Features General Specifications Chapter 1 ...
Страница 8: ...8 ...
Страница 11: ...11 Factory Preset Display Modes VGA HDMI Input Signal Reference Chart ...
Страница 13: ...13 Electrical Characteristics Optical Specifications Test Conditions Optical Specifications ...
Страница 14: ...14 Connecting Peripherals Front panel controls Chapter 2 ...
Страница 17: ...17 Using the OSD Menus ...
Страница 18: ...18 ...
Страница 19: ...19 ...
Страница 20: ...20 ...
Страница 21: ...21 ...
Страница 22: ...22 ...
Страница 23: ...23 ...
Страница 24: ...24 ...
Страница 27: ...27 3 Remove 4 screws to remove the bkt vesa top 4 Release the connectors ...
Страница 28: ...28 5 Remove the speakers 6 Remove the main board power board ...
Страница 29: ...29 7 Remove the bkt PCB holder 8 Release the key board and IR board 9 Remove the BKT panel support ...
Страница 30: ...30 10 Remove the bezel 11 Remove the 6 screws to release the panel ...
Страница 38: ...38 ...
Страница 39: ...39 II Set COM port resource that used by USB Port III Set Baud rate 115200 High speed item Enable MT537x MT ...
Страница 40: ...40 IV Click Upgrade button Waiting for Finished message V Main board Power Off _ On ...
Страница 44: ...44 Exploded Diagram Model AT3245 AT3246 ...
Страница 45: ...45 EDID Data DDC DATA for For D SUB Input EDID data 128 bytes ...
Страница 46: ...46 PCB Layout Main Board Layout Chapter 9 ...
Страница 47: ...47 ...
Страница 48: ...48 Power Board ...
Страница 49: ...49 Key Board IR board ...
