Philips AS111, Руководство по обслуживанию

Страница: 9 / 14

CIRCUIT DIAGRAM - KEY BOARD
6-2 6-2
*
*
Sector NC
1
OSC
2
D
AT
A
3
C
LK
4
S
TB
5
K
1
6
K
2
7
VD
D
8
SG1
9
SG2
10
SG3
11
SG4
12
SG5
13
SG6
14
SG7
15
SG8
16
SG9
17
SG
10
18
SG
12
19
SG
13
20
SG
14
21
VD
D
1
22
G
N
D
23
G
R
4
24
G
R
3
25
G
N
D
1
26
G
R
2
27
G
R
1
28
G
N
D
2
U12
PT6964S
1 A
2 B
3 C
4 D
5 E
6 F
7 G
8 DOT
9
10
11
12
13
COM1
14 COM2
15 COM3
16 COM4
LED1
GY205_LED
R102
51K
R103
10K
L2
0
FB
1K
C
11
8
10
0P
C
11
9
10
0P
C
12
0
10
0P
L2
1
FB
1K
R104
10R
R105
10R
R106
10R
R107
10R
R108
10R
R109
10R
R110
10R
R111 10R
R112
0R
R113
0R
R114 0R
R115
0R
1
2 3 4 5
COW3
SW1
CLOCK brightness
SW2
VOL+
SW3
BL-SET NA
SW4
POWER ON/OFF
SW5
VOL-
R
16
A
12
K
R
19
A
15
K
R
20
A
27
K
R
21
A
47
K
LE
D
6
LE
D
5
LE
D
7
LE
D
2
LE
D
3
LE
D
4
1
2
CON2A
1 2
KEY1
R
12
0
10
0R
R
12
5A
10
0R
R
12
8A
10
0R
R
11
7
10
0R
R
11
8
10
0R
R
11
9
10
0R
R
10
A
12
K
C121 100P
1
N
.C
1
2
/R
ES
3
XT
1
4
XT
2/
N
C
2
5
VSS
1
6
C
F1
7
C
F2
8
VD
D
1
9
O
P
T_
1
10
O
P
T_
2
11
O
P
T_
3
12
CP_DO
36
N
C
7
35
N
C
6
34
N
C
5
33
O
P
T_
8
32
O
P
T_
7
31
O
P
T_
6
30
O
P
T_
5
29
O
P
T_
4
28
LR
C
K
27
S
C
LK
26
S
D
TA
25
D
B
G
2
37 UHD-
38 UHD+
39 VDD3
40 VSS3
41 UFILT
42 AFILT
43 NC8
44 URX
45 UTX
46 DBG_OPT
47 NC9
48 USB_IN
24
DBG1
23
DBG0
22
CP_CE
21
CP_REST
20
VSS2
19
VDD2
18
MCLK
17
NC4
16
NC3
15
NC2
14
CP_CLK
13
CP_DI
U13
LC87F1HC8A
R127
33R
R128 33R
R129
15K
R130
15K
C122
5P
C123
5P
C124
104
C
12
6
1U
C127
1U
R131
10K
R132 22K
C128
104
R133
100R
R134
100R
R135
100R
X3 12M
C129
10P
C130
10P
R136 1K
C131
104
R137
10K
C132
104
C133
1U
R138
NC
L22 FB1K
C134
104
C135
100U/6V3
R139
10K
L2
3
1N
58
19
1
2
3
4
5
6
CON7
Fo
rU
pg
ra
de
S
oft
w
ar
e
R140
100R
R141 100R
R142 100R
R143
100R
R
14
4
10
0K
R
14
5
10
0K
R
14
6
10
0K
C
13
6
10
0U
/6
V
3
C
12
5
10
4
C144
1U
R29
10K
R42
47K
C145
1U
R46
10K
R49
47K
C146
100P
C147
100P
1 SDIN
2 SCLK
3 LRCK
4 MCLK
5 VQ 6
FILT
7
AOUTL
8
GND
9
VA
10
AOUTR
U14
ET4344
C148
10U
C149
104
C150
10U
R122 10K
R123
10K
R124
10K
+5
V
S
TB
L-
C
LK
L-
D
A
TA
UHD-
UHD+
URX
UTX
USB-RST
D3V3
D3V3
U-SDAT
BCLK
LRCK
MCLK
USB_R
USB_L
U-RES
D3V3
G0
G1
G2
DEBUG