Loewe Spheros 42 HD Manual page 97

1 2
X
W
V
U
T
L4401
W4100
S
HF-in
8
S4110
R 9
7
A
10
11
Q
12
W4150
C4110
HF-in 13 1
L4193
P
14 4n7
G5Y-1
C4193 L4301
O B 68p
D4110
BAS316
N
Q4110
BCR198W
U9
M
R4111 R4113
0R 0R
L
L4201
K
J
I
H
G
F
E
D
C
## = Component of printed circuit board
B
A
1 2
3 4
Hyperband tuner
U9
C4412
4n7
C4411
C
C4420
4n7
0p33
D4403 C4406 R4410 C4421
10R
BB535 47p 1p2 L4441
27n
Q4410
BF1100SW
L4442
UHF pre-stage
15n
R4442 R4422
C4305
10k
4n7
U9
C4312 C4311
4n7
4n7
B
C4320
0p47
D4304 C4306 C4321
R4310
10R
BB535 4n7 3p3
Q4310
R4303
BF1100SW
10k
VHFII pre-stage L4342
15n
R4342
10k
U9
A
C4220 C4240
0p47 0p33
D4204 C4206
C4221
R4210
22R
BB535 4n7 3p3
Q4210
BF1100SW
R4203
10k
VHFI pre-stage
C4174 C4300 C4602 C4610
220p 4n7 4n7 4n7
1.
1 2 3 4 5 6
not inserted
3 4
2 - 29
5 6
Oscillator and Mixer
U9
ZF
C4581 C4582 ZF
L4581 L4582
0u68 0u68
22p 22p
R4582
L0 IF
1k
13 12
L0 IF
L4451 14 11 D4527
C4451 C4526
R4641
BS
15
10
0R R4528
100p M0 68p
BB639
16 9 C4521
12R
M0 B0
17 C4563 8
1p/N750
C0 2p2 L4523 R4549
U9
18 7
C4522
C4542 22k
C4452 A 4n7 B0
19 6 C4541
B C0 1p8
L4452
100p C4547
20 5 C4552
B C0 1p/N750
10k 21 4
C4501 100p
A0 1p/N750
22 3 C4553
C C0 2p2
23 2
C4502 L4503
C A0 1p/N750 R4504
24 1
22R
2p2 C4561
C4506
0p82
4n7
D4508 C4507
C4351 L4352
BB640 68p R4509
4n7 10k
R4562
47k
R4662
U9 U9
C4352
L4351 0R
C4572
4n7 R4667
C4571
4n7
4n7
U5
C4652
4n7
D4242
C4242
I4600
BB535 4n7
TSA5523
R4602
4k7
Band switch and tuning voltage generation
A C4611
B
C 2n2
R4611
R4645
2k2
27k
U9
C4616 C4604 C4603
4n7 47p 47p
7 8 9 W4200
5 6
7 8
IF amplifier
R4586
10R
R4587
10R
R4529
10k
R4821
nicht bestückt
P4821
10k
R4785
0R
C4757
U9
47n
1 2 3 4 5
X4751
K9461M
C4751
R4750
0R
4n7 C4805
100n
I
0R
10 8 7 6
X4701
K6263
1 2 3 4 5
R4705
R4700
0R
0R
U5
C4959 C4601
4n7 4n7
2.
1 2 3 4
Tuner IF schematic 260-87346.050
7 8
2 - 30
9 10
X
W
V
U
C4806
22u
T
U5
D4806
R4807
BAV99W
27k
R4809 R4805
R4812
R4811
S
0R 0R
27k 27k
C4819
C4811
10u
100n
C4818
R
47n
L4816
Q
C4857
47n
P
I4800
TDA9817
O
R4853
R4852 100R
0R
Q4853
BC847BW
R4861 N
0R
Demodulator
M
U5
L
X4831
TPS4,5MC
K
C4837
L4831 2u2
10u
Q4836
J
BC847B
I
H
G
F
E
C4836 C4856
22p 22p
LOEWE. D
Naming
5 6
W4800
Tuner IF
C
Code/Part-No. Index
B
396-87526 b
Date 09.09.98
A
9 10