- 31 -
VOLTAGE OF IC & TRANSISTOR
MAIN SECTION
IC301 TA2104AN
(V)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
FM
0
0.8
0
4.4
4.7
4.1
4.7
0
0
3.9
0.7
0.7
3.8
4
0.7
1.1
AM
0
0
1
5.2
5.2
4.5
5.2
0
0.2
4.6
0.7
0.7
5.2
5.2
5.2
5.2
Pin No.
17
18
19
20
21
22
23
24
FM
1.3
4.7
4.5
4.7
4.7
4.7
4.7
4.4
AM
5.2
5
5
1.1
1.1
0.7
0.8
0
IC302 TC9257F ( VD input condition)
(V)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
STANDBY
0.2
4.4
4.7
4.7
0
4.9
0.3
0.3
0.3
0
5.4
5.5
0
0
0
0
POWER ON
2.8
2.8
4.7
4.7
0
0.4
0.4
0.3
5.3
0
5.5
5.5
2.8
0
0
2.7
Pin No.
17
18
19
20
STANDBY
0
0
0
0
POWER ON
5.4
0
0
0
IC303 TA8189
(V)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PLAY A
0
0
1.3
2
1.4
1.4
0
0
1.9
1.3
0
0
0.9
0
1.3
1.9
PLAY B
0
0
1.3
2
1.4
1.4
0
0
1.9
1.3
0
0
0.9
0
1.3
1.9
Pin No.
17
18
19
20
21
22
23
24
PLAY A
1.5
5.2
6
1.4
2
1.3
0
0
PLAY B
1.5
5.2
0
1.4
2
1.3
0
0
IC304 TC4052 ( VD Input condition)
(V)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Voltage
0
0
0
0
0
0
0
0
4.8
4.8
0
0
0
0
0
7.7
IC305 TC4052 ( Preset EQ on POP stage)
(V)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Voltage
0
0
0
0
0
0
0
0
5.5
5.5
0
0
0
0
0
7.7
TC306 PT2256 (X' Bass on)
(V)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
STANDBY
0
0.3
0.3
0.3
0.3
5.4
5.3
0
5.3
0.7
0
0.3
0.3
0.3
0.3
5.4
POWER ON
0
3.5
3.5
3.5
3.5
6.4
6.4
0
6.4
7
4
5.5
3.5
3.5
3.5
6.5
IC307 UPC1330NA
(V)
Pin No.
1
2
3
4
5
6
7
8
9
CASS PLAY
0
0
0
0
0
6.6
0
0
0
CASS REC
0
0
0
11.3
0
6.8
0
0
0
Transistors
(Test on cassette Recorder condition) (V)
Q312 733
Q313 945
Q314 945
E
C
B
E
C
B
E
C
B
7.8
7.6
7
0.7
6
0.3
0
0
0.7
Transistors
(Test on Cassette "A" under playing condition)
(V)
Q315 945
Q316 8050
Q317 945
Q318 945
Q319 8050
Q320 945
Q321 8050
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
0
0
0.7
0
0
0
0
0
0.7
0
4.2
0
0
0
0
0
0
0.6
7.8
12
8.4
Q322 945
Q323 945
Q324 8550
Q325 945
Q326 8050
Q327 8050
Q328 945
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
0.6
4.9
1.2
0.6
4.9
1.2
7.8
7.8
7
0
0.1
0.7
7.8
12
8.5
3.5
3.5
0
3.5
3.5
0
Q329 8050
Q330 945
Q331 945
Q332 945
Q333 8050
Q334 8050
Q335 945
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
0
4.5
0
0
0
0.7
0
6.4
0
0
6.4
0
5.5
11
6.2
12
12
11
0
0.1
0.7
Q336 945
Q337 945
Q338 945
E
C
B
E
C
B
E
C
B
0.9
4.1
0.6
0.9
4
1.6
1.7
4.9
2.2
Summary of Contents for AWM-2100
Page 14: ... 13 IC BLOCK DIAGRAM DESCRIPTION IC304 305 TC4052BP IC303 T8189N ...
Page 16: ... 15 IC BLOCK DIAGRAM DESCRIPTION IC700 TC9284BF ...
Page 19: ... 26 WIRING DIAGRAM CD P W BOARD ...
Page 20: ... 27 WIRING DIAGRAM LCD CPU P W BOARD ...
Page 21: ... 28 WIRING DIAGRAM POWER P W BOARD ...
