Lab.gruppen SS 1300 Service Manual page 10

880125
SS 1300
Input and LED- display
LAB.
GRUPPEN AB
Active Input
R100, R200
R105
,
R106,
R203, R204,
R205, R206
R107,
R208
R108,
R207
R109, R209
R101, R110
C101,
C202
C102, C201
C103, C104,
C203, C204
C105, C106,
D101,
IC1
D102
P2,
P3
7.5
kOhms
1
%
=29dB
10 kOhms
1%
4
20 kOhms
1%
100 Ohms
4.7 kOhms 5W
47
yiiF/50V
150 pF ker
47 uP/25
V
15V
Zener 0.4
W
LF 353 or
TL
072
4.7
lcOhms
log pot
2
,
67kohms 1% =23dB
LED~display
R112
R113
R114
R115
R116
R117
R119, R120, R121,
R122, R123, R124,
R125
R126
R128, R129,
R118
C108
D103
D104, D105
D106-D113
Dill
Q101, Q102
Q103
Q104-Q109
680 kOhms
0.25W
2.7
kOhms
1.2 kOhms
680 Ohms
330 Ohms
120 Ohms
33
kOhms
100 Ohms
1W
2.7 kOhms
220 Ohms
4.7
uF/lOOV
1
N'4004
LED,
Yel
LED, Green
LED, Red
MPSA
42
MPSA
92
BC
547 B
Channel
B:
Same as above,
except that
it
starts
with
no. 200