Ssb: Buffering - Philips Q549.2E LA Service Manual

Q549.2e la chassis
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Circuit Diagrams and PWB Layouts

SSB: Buffering

1
2
3
1
2
A
BUFFERING
A
B
+3V3
B
C
7N13
74LVC245A
IN34
1
CA-DATADIR
3EN1
IN35
3EN2
19
CA-DATAEN
G3
2
PCMCIA-D2
2
3
PCMCIA-D1
D
PCMCIA-D3
4
PCMCIA-D4
5
PCMCIA-D5
6
C
PCMCIA-D6
7
PCMCIA-D7
8
9
PCMCIA-D0
E
+3V3
D
74LVC245A
7N10
IN22
1
3EN1
F
IN30
3EN2
19
CA-ADDEN
G3
2
CA-WAIT
1
2
3
PCI-CBE1
4
PCI-CBE2
5
PCI-AD16
6
PCI-AD17
E
PCI-AD19
7
PCI-AD22
8
G
PCI-AD23
9
H
F
I
1
2
J
1
2
3
Q549.2E LA
10.
4
5
6
3
4
+3V3
IN20
7N11
74LVC245A
1
3EN1
18
PCI-AD26
1
CA-ADDEN
3EN2
19
G3
17
PCI-AD25
16
PCI-AD27
PCI-AD7
2
1
15
PCI-AD28
2
14
PCI-AD29
PCI-AD6
3
13
PCI-AD30
PCI-AD5
4
12
PCI-AD31
PCI-AD4
5
11
6
PCI-AD24
PCI-AD3
7
PCI-AD2
8
PCI-AD1
9
PCI-AD0
+3V3
7N12
IN21
74LVC245A
1
3EN1
18
PCI-AD18
3EN2
CA-ADDEN
19
G3
17
CA-WE
16
2
CA-OE
PCI-AD14
1
15
CA-CE2
2
14
3
CA-CE1
PCI-AD13
13
CA-REG
PCI-AD12
4
12
CA-IORD
PCI-AD11
5
11
CA-IOWR
PCI-AD10
6
7
PCI-AD9
8
PCI-AD8
3N33
9
IN32
10K
3
4
4
5
6
EN 126
8
7
5
6
7
2N31
100n
18
PCMCIA-A7
17
PCMCIA-A6
+12V
16
PCMCIA-A5
15
PCMCIA-A4
14
PCMCIA-A3
13
PCMCIA-A2
12
PCMCIA-A1
11
PCMCIA-A0
2N32
FP18
2P20
100n
3P50
22n
1K0
7P13
TS2431
IP32
2
18
PCMCIA-A14
17
PCMCIA-A13
16
PCMCIA-A12
15
PCMCIA-A11
14
PCMCIA-A10
13
PCMCIA-A9
12
PCMCIA-A8
11
5
6
7
C
H
N
S
E
T
N
CLASS_NO
DIGI I/O TV543 R2 LDIPNX
2008-10-10
3
NAME
Maelegheer Ingrid
CHECK
7
8
2009-May-08
9
10
11
12
8
9
10
+5V5-TUN
IP31
7P11
1
PHD38N02LT
3P51
1K0
FP19
3P52
10K
RES
8
9
10
A
M
E
UFD 2K8
8204 000 8934
SUPERS.
8
130
DATE
2007-10-18
ROYAL PHILIPS ELECTRONICS N.V. 2007
C
9
10
11
12
13
2N30 D3
2N31 B5
2N32 D5
A
2N33 B3
2P18 E9
2P19 E9
2P20 D7
2P21 C8
A
2P22 C8
2P25 D8
2P26 E9
2P61 C7
B
2P62 C8
3N30 D1
3N31 B4
3N32 D4
3N33 E4
3N34 D2
3P46 C7
3P49 D6
B
3P50 D8
C
3P51 D8
3P52 E8
3P54 E8
5P10 C9
7N10 D2
7N11 B5
7N12 D5
7N13 B2
7P11 D9
D
7P13 D7
FP18 D7
C
FP19 D8
IN20 B4
IN21 D4
IN22 D2
IN30 D2
IN32 E4
IN34 B2
E
IN35 B2
IP31 D8
IP32 D8
D
+5V-TUN
F
E
G
H
F
I
2
2008-11-21
J
8
A3
13
18310_541_090303.eps
090303

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