TUNER BOARD
TABLE OF CONTENTS
IC Interbnal Block Diagram ............................................. 9-1
Circuit Diagram ................................................................ 9-2
PCB Layout Top & Bottom View ..................................... 9-3
Electrical Parts List ......................................................... 9-4
9-1
9-1
SAA6588T INTERNAL BLOCK DIAGRAM
OPTICAL FUNCTION
IC001 (TEA5762H)
PIN NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Voltage 0.4
0
0
0
0
0
0
0.3
0
0
0
0.2
0.2
0
0
0
0
0
0
0
PIN NO 21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Voltage
0
0
3.3
0
0.5
0
0
3.5
0
0
0
0.2
0.2
0.2
0.2
0.2
0
0
-0.2
0
PIN NO 41
42
43
44
Voltage
0
0
0
0.1
IC002 (SAA6588T)
PIN NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Voltage
0
0
0
0.6
0.6
0
1.3
1.5
4.5
4.5
1.3
1.3
0.8
1.3
0
0.8
0.8
1.3
0.6
0.6
TUNER FUNCTION
IC001 (TEA5762H)
PIN NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Voltage 2.1
0
0
0
0
0
7.5
0.6
1.1
0.6
1.1
0.8
0.8
0.6
0.6
0
0
1.1
1.1
1.1
PIN NO 21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Voltage 1.5
12
9.6
1.2
1.4
0
0
0.2
0
0
0
1.4
0.8
1.4
0.8
1.4
0.8
1.4
6
1.4
PIN NO 41
42
43
44
Voltage 1.4
0
0
0.1
IC002 (SAA6588T)
PIN NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Voltage
0
0
0
2.3
2
0
4.5
4.5
4.5
4.5
0
4.5
4.5
4.5
0
2.3
2.3
2.3
2.3
2.3
Summary of Contents for LX710/01
Page 7: ...2 1 2 1 REPAIR INSTRUCTION ...
Page 8: ...2 2 2 2 REPAIR INSTRUCTION ...
Page 9: ...2 3 2 3 REPAIR INSTRUCTION ...
Page 10: ...2 4 2 4 REPAIR INSTRUCTION ...
Page 11: ...2 5 2 5 REPAIR INSTRUCTION ...
Page 12: ...2 6 2 6 REPAIR INSTRUCTION ...
Page 13: ...2 7 2 7 REPAIR INSTRUCTION ...
Page 14: ...2 8 2 8 REPAIR INSTRUCTION ...
Page 16: ...3 2 SERVICE POSITIONS Service position A Service position B 3 2 ...
Page 17: ...4 1 BLOCK DIAGRAM 4 1 ...
Page 18: ...4 2 WIRING DIAGRAM 4 2 ...
Page 43: ...8 2 8 2 CIRCUIT DIAGRAM POWER BOARD ...
Page 44: ...8 3 8 3 PCB LAYOUT POWER BOARD ...
Page 49: ...10 1 10 1 EXPLODED DRAWING ...