Philips 231B4LPYCB/00, Service Manual, Page: 22 / 100

ʳ ʳ
22
Meridian 2
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19
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18
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15
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17
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123
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N
42
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U
T
41
L
VA2
P
126
L
VA2
M
125
L
VA1
P
128
L
VA1
M
127
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P
2
L
VA0
M
1
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VB3
P
111
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VB3
M
110
L
VBC
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113
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VBC
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112
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VB2
P
115
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VB2
M
114
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VB1
P
117
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M
116
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P
119
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118
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124
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121
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VA3
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GND
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P
69
RX
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68
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P
66
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1
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65
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35
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62
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0
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61
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59
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58
GND
43
GND
63
GND
78
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92
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0
97
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120
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53
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1
52
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3
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M
G
P
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60
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C
K
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2
3
2
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R
X
1
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M
G
P
IO
1
2
57
AVD D_ DP _3 3
23
VDD P
106
P
M
G
P
IO
1
5
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M
P
WM
0
71
G
P
IO
2
7
/P
WM
5
102
SAR
0
6
SAR
1
7
SAR
2
8
G
P
IO
1
1
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WM
1
93
G
P
IO
1
0
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WM
0
94
MI
2
C
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S
D
A
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P
IO
0
7
95
M
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C
L
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P
IO
0
6
96
R
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22
VDD C
108
AV DD_M PL L_ 33
44
GND
81
GND
99
GND
100
BY
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10
P
M
G
P
IO
1
7
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M
P
WM
2
72
AV DD _DV I_3 3
67
AV DD _PL L_33
101
SAR
3
9
AVDD L_ DP_ 12 6
29
LI
N
E
_I
N
_
R
75
LI
N
E
_O
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T
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76
G
P
IO
2
4
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2
105
LI
N
E
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_
L
74
NC
64
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14
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_
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T
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R
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T
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R
)
82
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P
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2
6
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4
103
AU
VR
M
80
AU
VAG
79
LI
N
E
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T
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77
DP
_
H
P
D
39
DP
_
S
DM
40
DP
_
A
UX
P
25
DP
_
A
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N
24
DP
_
R
X
0
P
27
DP
_
R
X
0
N
28
DP
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R
X
1
P
30
DP
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R
X
1
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31
DP
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R
X
2
P
33
DP
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R
X
2
N
34
E
A
R
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T
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A
C
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T
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83
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5
AV DD _LPL L_33
4
DP
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R
X
3
P
36
DP
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R
X
3
N
37
GND
107
GND
109
GN
D
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D
P
26
VDD C
85
G
P
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2
5
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3
104
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T
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L
12
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D
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1
98
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D
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P
32
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38
AVDD _AU SDM _3 3
73
AV DD _EAR _3 3
84
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P
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91
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90
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89
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88
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86
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21
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4
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429
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3
3
AVDD _M PL L_ 33
A
V
DD_
DP
_
3
3
AV DD _P LL_33
VC
C
3
.3
VC
C
3
.3
AV DD L_DV I_1 26
AV DD_DV I_ 33
V
CC3
.3
AVD
D
L
_
D
P_
1
2
6
AV DD _A USDM _3 3
V
CC3
.3
AV DD _LPL L_33
+5
V
+5V
+5
V
VC
C
1
.2
6
A
V
DD_
P
L
L
_
3
3
AVD D_ DP _3 3
+5V
AV DDL _DP _1 26
VD
D
C
+5V
+5
V
VC
C
3
.3
+5
V
VC
C
3
.3
VC
C
3
.3
V
CC3
.3
G-
2
D
D
C
A_
SC
L
2
o
n
_
BAC
KL
IG
H
T
6
VC
C
3
.3
DP
_
R
X
N
0
N
3
B+
2
RI
N
2
Ad
j_
BAC
KL
IG
H
T
6
BI
N
2
DP
_
R
X
N
3
N
3
DV
I_
CA
B
2
DD
CD_
S
D
A
2
DP
_
R
X
N
1
P
3
HP
D_
CT
RL
2
DDC
_
W
P
2
B-
2
DE
T
_
V
G
A
2
Vo
lu
m
e
6
G+
2
GI
N
2
CL
K
+
2
DP
_
S
DM
3
DP
_
R
X
N
2
N
3
DP
_
A
UX
P
3
DP
_
H
P
D
3
GN
D
R
2
DE
T
_
DP
3
Au
d
io
_
SD
6
MU
T
E
6
DP
_
R
X
N
2
P
3
HS
Y
N
C
2
DP
_
R
X
N
0
P
3
VSY
N
C
2
P
A
[0
..9
]
5
DDC
D_
S
C
L
2
DP
_
R
X
N
1
N
3
LT
-S
C
L
5
SO
G
2
R+
2
GN
D
B
2
LT
-S
D
A
5
DD
CA
_
S
DA
2
AU
VAG
DP
_
A
UX
N
3
P
B
[0
..9
]
5
R-
2
AU
VR
M
o
n
_
PAN
EL
5
DP
_
R
X
N
3
P
3
CL
K
-
2
GN
D
G
2
PS_
O
N
PO
W
E
R
_
KEY
#
UA
RT
_
T
X
D
UA
RT
_
R
X
D
PS_
O
N
PS_
O
U
T
P
U
T
PS_
D
IST
AN
C
E
LE
D
_
G
LE
D
_
A
D
DC_
S
C
L
_
C
O
M
DD
C_
S
D
A
_
CO
M
DD
C_
CT
RL
LE
D
_
O
LE
D
_
G
N
PB3 PB2 PB1 PB7 PA3 PB4
R4
2
7
1
0
0
O
HM
PB6 PA0 PA2 PA4 PA9 PA5 PA8
PB[
0
..
9
]
PA7 PB8 PB0 PB5
LE
D
_
O
PA1
LE
D
_
G
N
C
ABL
E_
D
E
T
PB9
PA[
0
..
9
]
PA6
SDA SCL
LE
D
_
G
C
ABL
E
_
D
E
T
R
400
2
0
R
0
5 O
H
M
R
400
1
0
R
0
5 O
H
M
EE_
SD
A
EE_
SC
L
KEY1
EE_
W
P
KEY2
R4
0
0
3
0
R0
5
O
H
M
R4
0
0
4
0
R0
5
O
H
M
EE_
SC
L
EE_
SD
A
A
D
D
09
0G6
077
2
GP
HE
AT
SI
N
K
LT
-S
D
A
LT
-S
C
L
EE_
SC
L
EE_
SD
A
Scaler