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53
TV1968W-AED
C
AT1936
A3
9
21
Friday , March 28, 2008
715T2848-C
<
称爹
>
MT5335 Control/IR/LED/Key
T2848-C-X-X-3-071128
OEM MODEL
Size
Rev
Date
Sheet
of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬
隔
瓜
絪
腹
C_XREG
Q405
MMBT3906
R4
9
3
4.
7K
OH
M
1
/1
0
W
AVDD33_XTAL
OSCL0
+3V3SB
C_XREG
CI_INT
20
C498
1uF/16V
Q403
MMBT3904
CI_ALE
20
TXC
R445
10K OHM 1/10W
+3V3SB
OXTALI
C452
NC
Q408
NC/MMBT3904
KEY 1
+3V3SB
U408
MAX809STRG
1
2
3
GN
D
RESET
VC
C
C490
10pF
R453
NC/0 OHM 1/10W
DV33
Q406
MMBT3904
R448
1K OHM 1/10W
For OTS
+3V3SB
CI_PDD4 20
SCART_FS_IN
6
C492
1uF/16V
+3V3SB_uP
+3V3SB
ORESET#
R4
9
2
4.
7K
OH
M
1
/1
0
W
DV33
OPWM2
12,20
C493
4.7uF/10V
D401
NC
+
C488
NC
FB408
BEAD
OIRI
12,13
R449
NC
CI_CLE
20
CI_POWE# 20
TURN_ON
13
R466
0 OHM 1/10W
L401
0.82UH
+3V3SB_uP
+5VSB
U401B
MT5335PGU
207
208
209
59
60
210
211
212
214
215
216
204
205
63
62
191
202
203
72
92
91
76
75
90
89
71
87
88
148
149
150
151
152
147
144
143
146
145
GPIO_3
GPIO_4
GPIO_5
GPIO_6
GPIO_7
GPIO_8
GPIO_9
GPIO_10
GPIO_11
GPIO_12
GPIO_13
OSDA0
OSCL0
OSDA1
OSCL1
OPWM0
OPWM1
OPWM2
OPWRSB
OPCTRL0
OPCTRL1
OPCTRL2
OPCTRL3
OPCTRL4
OPCTRL5
ORESET_
C_XREG
AVDD33_REG
ADIN0
ADIN1
ADIN2
ADIN3
ADIN4
AVDD33_SRV
XTALI
XTALO
VCXO
AVDD33_XTAL
+3V3SB
ZD411
UDZSNP5.6B
1
2
R488
33 OHM 1/10W
C496
1000pF
+3V3SB
KEY 1
13
CI_PDD5 20
U405
M24C16
1
2
3
4
5
6
7
8
NC
NC
NC
VSS
SDA
SCL
WC
VCC
LVDSVDD_EN 7
KEY 1_MT5335
R452
0 OHM 1/8W
R486
NC
KEY 2
R487
NC
R469
NC/470K OHM 1/10W
+3V3SB
POWER_ON/OFF
21
R428
1K OHM 1/10W
C499
0.1UF16V
R456
10K OHM 1/10W
+5VSB
R427
3K OHM 1/10W
C401
1000pF
+3V3SB
R499
13K OHM 1% 1/10W
AMP_MUTE
16
AVCC_SRV
+5V
C500
1uF/16V
+3V3SB_uP
CI_OEB
20
DV33
EDID_PRT
BL_DIM
21
IIC ADDRESS "A0"
OSCL0
Y 401
60MHz
1
2
D403
SCS140V
1
2
CI_PDD6 20
ORESET#
DV33
R455
NC/0 OHM 1/10W
OSDA0
13,19
Pull high
潮伐
LED
STANDBY
13
+3V3SB_uP
EDID_PRT
CI_PDD7 20
Third-Tone Crystal
C441
NC
Adjust the power on timing
AVDD33_XTAL
R426
4.7K OHM 1/10W
AVDD33_REG
R454
1 OHM +-5% 1/10W
R444
10K OHM 1/10W
3/12 Modify
C491
4.7uF/10V
FB410
BEAD
R463
10K OHM 1/10W
uP default High
R495
NC
OXTALI
KEY 1_MT5335
R
465
4.
7K OH
M
1/
10W
uP default High
R497
NC
C494
1uF/16V
CEC
13,14
R462
47K OHM 1/10W
OXTALO
KEY 2
MTK_IC_RESET
20
+3V3SB_uP
ORESET#
R447
NC
R460
330 OHM +-5% 1/10W
R458
3.9K OHM 1/10W
High
ON
Low
OFF
PWRDET
CI_PDD3 20
C495
0.1UF16V
OSDA0
R468
NC/470K OHM 1/10W
R467
0 OHM 1/10W
STANDBY
PWRDET
AVDD33_REG
OXTALO
For OTS pull high
OPWM1
20
R
464
4.
7K OH
M
1/
10W
OSDA1
15
OSDA0
OSCL1
15
R446
NC
R498
4.7K OHM 1% 1/10W
The divider only for A version IC
CN404
CONN
1
2
3
4
5
6
7
8
9
10
11
BL_ON/OFF
21
R461
10K OHM 1/10W
+3V3SB_uP
Keypad
power
R489
3.9K OHM 1/10W
+3V3SB
Q404
NC
HDMI_INT
13
C497
1000pF
FB409
BEAD
KEY 1
R450
NC
R420 NC
OSCL0
13,19
AVCC_SRV
C501
0.1UF16V
High
ON
Low
OFF
+5V
TURN_ON
ZD410
UDZSNP5.6B
1
2
C489
10pF
R459
33 OHM 1/10W
Содержание AT1945
Страница 1: ...1 Acer AT1945 AT1946 Service Guide ...
Страница 7: ...7 Monitor Features General Specifications Chapter 1 ...
Страница 8: ...8 ...
Страница 13: ...13 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 29: ...29 Fig 9 Fig 10 Disassemble the IR board Fig 11 Disassemble the front panel ...
Страница 30: ...30 Fig 12 ...
Страница 42: ...42 PCB Layout Main Board Layout Chapter 8 ...
Страница 43: ...43 ...
Страница 44: ...44 Power Board ...
Страница 45: ...45 Key Board IR board ...