Acer AL2002, Руководство по обслуживанию

Страница: 27 / 60

._
1
1
SCHEMA
TICS
7
ACER
_AL2002W
(T20BAUW
-G1)_
SCALER
GM5766H
PCB
No.
PIN
51
H
J
T
A
G
port
disable
L
J
T
A
G
port
enable
:-
,
:
-
.
PIN
1
1
9
H
UART
on
GPO
L
UART
on
DDC
:,
:
.
PIN
50
H
Use
A
TMEL
SPI
ROM
L
Use
Standard
SPI
ROM
:,
:
.
PIN
56
H
Use
OSC
L
Use
Xtal
:,
:
.
PIN
57
H
Internal
ROM
off
L
Internal
ROM
o
n
:,
:
.
PIN
58
Set
to
low
.
DDC
SCL
VGA
__
DDC
SCL
VGA
__
DDC
SDA
VGA
__
DDC
SDA
VGA
__
SPI
HOLDn
_
SPI
WPn
_
SPI
DO
_
CH1P
LV
O
__
CH3N
LV
O
__
CLKP
LV
O
__
SPI
CLK
_
BKL
T
ADJ
_
CH0N
LV
O
__
TCLK
BKL
T
E
N
_
IC
RESETn
_
CH1N
LV
O
__
GNDB
GNDB
CH2N
LV
O
__
HS
IN
_
HS
IN
_
XT
AL
RIN
RIN
UAR
T
D
O
_
SPI
CSn
_
CH3P
LV
O
__
BIN
BIN
P
ANEL
VCC
EN
_
VOLUME
CH0P
LV
O
__
GIN
GIN
SPI
DI
_
UAR
T
D
I
_
VS
IN
_
VS
IN
_
CLKN
LV
O
__
CH2P
LV
O
__
GNDG
GNDG
GNDR
GNDR
SPI
DI
_
SPI
DO
_
RESETn
CH3N
LV
E
__
CLKP
LV
E
__
CH1N
LV
E
__
CH2N
LV
E
__
CLKN
LV
E
__
CH0P
LV
E
__
CH3P
LV
E
__
CH0N
LV
E
__
CH2P
LV
E
__
CH1P
LV
E
__
DDC
SDA
DVI
__
DDC
SDA
DVI
__
DDC
SCL
DVI
__
DDC
SCL
DVI
__
RX2
+
RX2
+
RX2
-
RX2
-
RX1
+
RX1
+
RX1
-
RX1
-
RX0
+
RX0
+
RX0
-
RX0
-
RXC
+
RXC
+
RXC
-
RXC
-
SPI
CSn
_
UAR
T
D
O
_
UAR
T
D
I
_
VOLUME BKL
T
ADJ
_
AUDIO
EN
_
AUDIO
EN
_
GPO
5
_
LED
A
_
LED
B
_
IC
RESETn
_
SPI
CLK
_
WP SDA SCL
LBADC
IN1
_
LBADC
IN2
_
LBADC
IN1
_
LBADC
IN2
_
REXT
SDA WP SCL VGA
DETn
_
DVI
DETn
_
DDC
WPn
_
3V3
A
VDD
_
VCC3V3
VCC1V8
VCC1V8
1V8
CVDD
_
3V3
DVDD
_
VCC3V3
3V3
RPLL
_
VCC3V3
3V3
RPLL
_
VCC5V
3V3
A
VDD
_
3V3
RPLL
_
3V3
A
VDD
_
1V8
A
VDD
_
1V8
A
VDD
_
1V8
CVDD
_
3V3
DVDD
_
VCC5V
VCC3V3
3V3
DVDD
_
3V3
DVDD
_
VCC3V3
VCC3V3
C369 0
1uF
.
R358 2K4
C382 0
1uF
.
C360 0
1uF
.
C370 0
1uF
.
T102
R354 2K4
T93
T105
R359 4K7
T94
R355 2K4
C361 0
1uF
.
C354 0
1uF
.
C358 0
1uF
.
I306 gm5766H PQFP
128
-
99
100
96 97 93 94 73 72 76 75 81 80
108 109
123 124 125 126 38 37
84 83 69 59 60 64 65 66 67
111
121 122 127 49
89 90
54
88
117
63
30 29
18
28 36 35 24 21 23 22 20 19 27 6 5 4 3 39 40 42 33 34 31 32 15 16 41 11 12 9 10 7 8 14 13
51 56 57 58 50
11
9
120 11
5 11
4 11
3 11
2
110
101
92
82
74
128
2
25
47
53
91
116
118
87
55
17
86
78
70
104
106
43 44 45 46 105
68
71
77
79
95
98
102
107
26
48
1
85
103
52
61 62
RED
+
RED
-
GREEN
+
GREEN
-
BLUE
+
BLUE
-
RX2
-
RX2
+
RX1
-
RX1
+
RX0
-
RX0
+
XT
AL TCLK
GPIO
11
DA
T
A
3
_/
[
]
GPIO
12
VDA
T
A
4
_/
[
]
GPIO
13
VDA
T
A
5
_/
[
]
GPIO
14
VDA
T
A
6
_/
[
]
CH1N
LV
O
DCLK
__
/
CH1P
LV
O
DVS
__
/
RXC
-
RXC
+
REXT SPI
CSn
_
SPI
CLK
_
DDC
SCL
VGA
GPIO
16
__
/
_
DDC
SDA
VGA
GPIO
17
__
/
_
DDC
SCL
DVI
GPIO
18
__
/
_
DDC
SDA
DVI
GPIO
19
__
/
_
RESETn
GPIO
9
VDA
T
A
1
_/
[]
GPIO
10
VDA
T
A
2
_/
[
]
PPWR
PBIAS
HSYNC VSYNC
CRVSS
CRVSS
CRVSS
R
VDD
33
_
PD19
GPO39
/
PD18
GPO38
/
CRVSS
PD17
GPO37
/
CH2N
LV
O
DHS
__
/
CH2P
LV
O
DEN
__
/
PD14
GPO35
/
PD12
GPO32
/
PD14
GPO34
/
PD13
GPO33
/
PD1
1
PD10
V
FIELD
/_
PD16
GPO36
/
VDE
IN
_
VVS
IN
_
VHS
IN
_
VCLK
IN
_
CH0P
LV
O
__
CH0N
LV
O
__
GPIO
25
_
CLKP
LV
O
PD22
__
/
CLKN
LV
O
PD23
__
/
CH3P
LV
O
PD20
__
/
CH3N
LV
O
PD21
__
/
CH0N
LV
E
PD8
__
/
CH0N
LV
E
PD9
__
/
GPIO
24
_
CH2P
LV
E
PD4
__
/
CH2N
LV
E
PD5
__
/
CLKP
LV
E
PD2
__
/
CLKN
LV
E
PD3
__
/
CH3P
LV
E
PD0
__
/
CH3N
LV
E
PD1
__
/
CH1N
LV
E
PD7
__
/
CH1P
LV
E
PD6
__
/
GPO
0
PWM2
_/
GPO
1
PWM3
_/
GPO
2
_
GPO
3
_
GPO
4
PWM0
_/
GPO
5
PWM1
_/
GPIO
8
VDA
T
A
0
_/
[]
LBADC
IN1
GPIO
20
_/
_
LBADC
IN2
GPIO
21
_/
_
LBADC
IN3
GPIO
22
_/
_
LBADC
VSS
_
AVDD RPLL 33 _ _
AVDD ADC 33 _ _
AVDD ADC 33 _ _
AVDD DVI 33 _ _
AVDD DVI 33 _ _
GPIO
15
VDA
T
A
7
_/
[
]
VDD OUT 33 _ _
VDD OUT 33 _ _
VDD OUT 33 _ _
RVDD 33 _
RVDD 33 _
LBADC VDD 33 _ _
CVDD 18 _
CVDD 18 _
CVDD 18 _
CVDD 18 _
GPIO
31
_
AVDD DVI 18 _ _
AVDD DVI 18 _ _
AVDD ADC 18 _ _
VDD RPLL 18 _ _
GPIO
26
_
GPIO
27
_
GPIO
28
_
IR
IN
GPIO
29
_/
_
VBUFC
RPLL
_
AVSS DVI _
AVSS DVI _
AVSS DVI _
AVSS DVI _
AVSS ADC _
AVSS ADC _
AVSS ADC _
AVSS RPLL _
VSS OUT _
VSS OUT _
AVSS BIAS _
GPIO
30
_
AVSS ADC _
CRVSS
SPI
DI
_
SPI
DO
_
C378 0
1uF
NC
.(
)
C373
10pF
FB314
PBY160808T
301Y
S
--
T86
R350 250
1
/%
X301 14
318MHZ
.
FB316
PBY160808T
301Y
S
--
C366 0
1uF
.
R364 10K
I308 24LC16B
1 2 3 4
5 6 7 8
A0 A1 A2 GND
SDA SCL WP VCC
C362
10pF
C377 0
1uF
.
R353 2K4
NC
()
T95
T92
C353 0
1uF
.
C349 0
1uF
.
T87
C357 10uF
16V
/
T103
C376 0
1uF
.
FB317
PBY160808T
301Y
S
--
R362 10K
C367 0
1uF
.
T100
C365 0
1uF
.
P304
JWT
A2001WV2
04
NC
--
(
)
1 2 3 4
R360 4K7
T106
Q305
MMBT3906
3
2
1
T88
T91
C359 0
1uF
.
R363 2K4
C375 10nF
R369 820K
C364 0
1uF
.
R361 4K7
FB313
PBY160808T
301Y
S
--
C368 10uF
16V
/
C374 0
1uF
.
C352 0
1uF
.
R365
100
T108
T101
R357 2K4
T107
T99
C356 0
1uF
.
T89
I309 SST25VF010
1 2 3 4
5 6 7 8
CE
#
SO WP
#
GND
SI
SCK
HOLD
#
VCC
R348 2K4
C380 0
1uF
.
C348 10uF
16V
/
C372 0
1uF
.
C383 0
1uF
.
C379 0
1uF
.
R351 2K4
C371 0
1uF
.
T96
T109
I307 MIC809MU
1 2 3
GND
RST VCC
C355 10uF
16V
/
R349 2K4
C363 10uF
16V
/
T98
C351 0
1uF
.
R366
100
R368 820K
T90
T104
FB315
PBY160808T
301Y
S
--
R352 2K4
NC
()
R356 2K4
T97
C350 0
1uF
.
P
ANEL
VCC
EN
_
BKL
T
E
N
_
CH3P
LV
O
__
CH3N
LV
O
__
CLKN
LV
O
__
CLKP
LV
O
__
CH0N
LV
O
__
CH2N
LV
O
__
CH1P
LV
O
__
CH0P
LV
O
__
CH1N
LV
O
__
CH2P
LV
O
__
RIN GNDR GIN GNDG BIN GNDB HS
IN
_
VS
IN
_
DDC
SCL
VGA
__
DDC
SDA
VGA
__
BKL
T
ADJ
_
CH1N
LV
E
__
CH3P
LV
E
__
CH1P
LV
E
__
CLKP
LV
E
__
CLKN
LV
E
__
CH0P
LV
E
__
CH2N
LV
E
__
CH3N
LV
E
__
CH2P
LV
E
__
CH0N
LV
E
__
DDC
SCL
DVI
__
DDC
SDA
DVI
__
RX2
+
RX2
-
RX1
-
RX1
+
RX0
-
RX0
+
RXC
-
RXC
+
VOLUME AUDIO
EN
_
LED
A
_
LED
B
_
LBADC
IN1
_
LBADC
IN2
_
VCC5V
VCC3V3
VCC1V8
VGA
DETn
_
DVI
DETn
_
DDC
WPn
_
6832174000P01
12
34
56
7
8
9
1
0
11
1
2
1
3
12
34
56
7
8
9
1
0
11
1
2
1
3
A B C D E F G
A B C D E F G
26
Go
to
cover
page
ACER
AL2002W