Sanyo TRC-6300 Service Manual page 19

TRANSISTOR & IC VOLTAGE
IC471
PIN 1 2
3
4
5
6 7 8
9
10 11 12 13 14
POWER ON o
0 0 0 0 5.0 0 0 0 0 0 0 5.0 5.0
PLAY 0.1 0.1 0.1
0.1 0.1 5.0 0.1 0.1 0.1 0.1 0.1 5.0 5.0 5.0
TEL 0.1 0.1
0.1 0.1 5.0 0.1 0.1 0.1 0.1 0.1 0.1 5.0 0.1 5.0
F.FWD o 0 0 0 0 5.0 0 0 0 0 0 5.0 0 5.0
REW
o 0 0 0 0 5.0
0
0 0 0
0
5.0 0 5.0
IC472
PIN 1 2
3
4
5 6 7 8 9 10 11 12
13 14
POWER ON
0.1
8.7
1.7
0 0 4.1 4.0 7.3 4.0 0 0 4.0 8.0 9.0
PLAY
4.7 8.8 0.6 0 0 4.0 4.0 7.2 4.0
0 0
4.0 7.9 8.9
TEL 0.1
8.6 1.8 0.1 0.1 4.0 4.0 7.2 4.0 0.1
0.1
4.0 7.9 8.9
F.FWD 0.1 8.7
1.7 0.1 0 4.0 4.0 7.3 4.0 0 0 4.0 8.0 9.0
REW
0.1 8.7 1.7
0 0 4.0 4.0 7.3 4.0 0
0
4.0 8.0 9.0
IC491
PIN
I
1
I
2
3
I
4
I
5
8 I 9
I
10
11 12 13
lPOWERONl o I o
014.910
0 I 4.9 I 4.9 0 I 4.9
*
*
w
*
%-H--R- -+-H
=++
3.7 0.1
3.7 3.7
29 30
0
I
4.9 0 1 4.9
I
4.9
*
lREw 1012.3
*
+--K
*
kG=R-H-
5.0 I 5.0
I o
*
4.8 -
4.9 -
0.1 -
4.8 I O
*
*
* *
5.0 I o I 5.0
*
010
*
*
4.9 -
4.9 -
44 45
K--R--k
* +--+
38139140 41142143
IPOWER ON I - I . %-H--t% %--R--R
*
4.5 4.5
4.5 4.5
4.5 4.6
E=l=E
PLAY - -
TEL - -
F.FWD - -
REW - -
PIN 46 47
L 3.3 I 3.3 I 3.3
4.5 I 4.5 ] 4.6
1-
+
4.5 4.5
4.5 4.5
59 60
* *
-+t+-
51 I 52
lPOWER ON I 4.9 I 4.9
R+W%*I 4.9,4., I%I%%WI=
4.9
I
4.9
-
I F.FWD I 4.9 ] 4.9
4.9
0 0 4.9 4.9 0.1 4.9 0 5.0 0.1
4.1 0.1 0.1
4.9 0 0 4.9 4.9 0.1 4.9
0 5.0 0.1
0 0 0.1
l-%-k&-
a
63 64
0 4.0
4.9 4.0
4.9
4.0
4.9 4.0
4.9
4.0
lPOWER ON I
9.o I 9.o
HH-%-t%
REW
9.0 9.0
-18-