Read Sony FDL-PT222 Service Manual online
1
A
B
C
D
E
2
9
8
7
6
5
4
3
– 17 –
– 18 –
< Conductor Side >
< Component Side >
ELECTRONIC TUNRTR, VIF, SIF
[ ]
– T1 Board –
T1
DIODE
*
D001
B-7
8
D002
B-2
7
IC
IC001
C-2
IC201
B-6
TRANSISTOR
*
Q001
D-8
1
Q002
D-8
!•
Q003
B-8
1
Q004
B-8
1
Q007
B-2
2
Q010
D-10
Q011
D-7
!¶
Q012
D-7
1
Q201
D-6
2
Q202
B-3
1
Q203
D-4
1
VARIABLE
RESISTOR
RESISTOR
RV001
B-3
RV002
B-3
RV004
B-3
RV201
B-3
T1 BOARD
Pin Volt
Pin Volt
Pin Volt
IC001
1
2.7
2
0
3
0.3
4
0.5
5
2.5
6
2.5
7
2.5
8
4.3
9
-
10
0.7
11
2.5
12
0
13
0.3
14
0.0
15
3.7
16
-
17
-
18
0
19
2.2
20
2.2
21
2.9
22
0.8
23
2.1
24
2.1
25
-
26
1.7
27
3.8
28
0
29 GND
30
30
0
31
0
32
0
IC201
1
3.4
2
3.4
3
1.6
4
3.3
5
4.2
6
3.4
7
3.4
8
GND
9
4.3
10
1.6
11
1.6
12 GND
13
13
1.8
14
3.5
15
2.1
16
1.5
17
2.4
18
2.0
19
1.9
20
1.9
21
3.4
22
3.4
23
0.4
24
1.7
T1 BOARD IC VOLTAGE LIST
B
C
E
Q003
0
3.7
GND
Q004
3.7
0.7
4.3
Q007
2.6
0.5
4.3
Q201
1.0
4.2
0.3
Q202
1.9
GND
2.6
Q203
0
3.5
GND
T1 BOARD TRANSISTOR VOLTAGE LIST
1
2
3
4
5
6
Q002
0
1.7
2.2
29.5
1.7
2.2
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