Hyperband Tuner - Loewe Credo 7681 ZPW Instrucciones De Servicio

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1
2
X
U9
C4147
*
W4105
W
L4144
R4144
Ausgang-PIP
*
*
C4143
C4148
R4148
V
*
*
*
C4141
Q4147
*
U9
*
U
L4124
3
W4100
D4403
*
L4401
HF-in
T
BB535
S
A
Q4127
*
R
Q
B4101
L4193
C4131
BG-Br.
P
C4193
L4192
*
L4301
68p
R4134
R4132
O
*
*
C4134
*
N
R4136
M
L4137
U9
*
*
C4136
*
L
L4201
R4137
K
39R
J
I
C4164
H
*
R4162
G
*
F
E
D
C
## = Bauteil gedruckt
Component of printed circuit board
B
= Bestückung Typ-Var.
*
A
1
2
3
4
Hyperband-Tuner

Hyperband tuner

U9
C4412
4n7
C4411
C
C4420
4n7
C4421
C4406
R4410
0p33
L4451
10R
C4442
47p
1p2
L4441
8p2
Q4410
C4441
BF1100W
68p
L4442
L4452
UHF-Vorstufe
UHF pre-stage
R4442
R4422
C4305
10k
10k
4n7
U9
C4312
C4311
4n7
4n7
B
C4320
0p47
D4304
C4351
C4306
R4310
C4321
10R
3p3
BB535
4n7
4n7
Q4310
R4303
BF1100W
10k
VHFII-Vorstufe
C4352
L4342
VHFII pre-stage
4n7
R4342
10k
U9
A
C4220
C4240
0p47
0p33
D4204
C4206
C4221
D4242
R4210
22R
BB535
4n7
3p3
BB535
BF1100W
Q4210
R4203
10k
VHFI-Vorstufe
VHFI pre-stage
C4300
C4602
C4610
C4616
4n7
4n7
4n7
4n7
1.
1
2
3
5
6
7
4
3
4
2 - 40
5
6
Oszillator und Mischer
Oscillator and Mixer
U9
R4586
ZF
10R
R4581
10R
R4587
ZF
C4581
L4581
L4582
C4582
10R
0u68
0u68
22p
22p
R4582
C4641
L0
IF
R4529
4n7
*
13
12
L0
IF
10k
C4451
14
11
D4527
C4526
R4641
BS
15
10
0R
100p
M0
BB639
68p
R4528
16
9
C4521
L4523
M0
B0
12R
17
C4563
8
C4542
R4549
2p2
C0
U9
18
7
C4522
22k
C4452
A
1p/N750
4n7
B0
19
6
C4541
B
C0
1p8
100p
C4547
20
5
C4552
B
1p/N750
C0
21
4
100p
C4501
A0
1p/N750
22
3
C4553
C
2p2
C0
23
2
C4502
R4504
C
1p/N750
L4503
A0
24
1
22R
2p2
C4506
C4561
R4343
10k
0p82
4n7
D4508
C4507
R4509
L4352
10k
BB640
68p
R4562
47k
R4662
U9
U9
L4351
*
C4572
C4571
4n7
BLN
4n7
M
U5
R4647
R4663
C4652
U5
*
*
4n7
C4242
I4600
4n7
TSA5523
L1
R4602
R4612
Bandschalter und Abstimmspannungserzeugung
10k
4k7
Band switch and tuning voltage generation
A
C4611
B
2n2
C
R4611
R4645
0R
27k
U9
R4610
0R
R4605
0R
C4604
C4603
47p
47p
8
9
W4200
5
6
7
8
ZF-Verstärker
IF amplifier
X4771
C4777
*
U9
1 2 3 4 5
*
R4784
D4771
U5
*
U5
*
R4781
C4771
D4772
*
*
*
Q4774
D4781
C4819
R4812
R4773
*
L1
*
M
27k
10u
R4785
*
Q4772
L4816
C4818
*
*
47n
R4782
R4783
C4786
C4783
*
*
*
C4757
*
X4751
U9
*
1 2 3 4 5
R4821
*
R4756
R4757
C4782
22k
D4751
*
*
*
*
*
I4800
C4751
D4752
*
*
*
R4753
R4752
Q4754
*
*
*
*
R4741
*
Q4752
R4742
R4874
*
*
R4754
0R
BLN
C4754
*
U9
*
R4703
R4708
*
*
Q4709
10
8
7
6
R4710
*
X4701
M
*
*
Q4702
1 2 3 4 5
*
C4701
R4700
*
C4702
*
R4705
*
*
R4804
L1
L1 = P/N + I (L + L1 = AM-Ton)
*
Q4804
*
accort
R4871
*
U5
C4803
C4872
C4601
C4836
4n7
*
4n7
22p
2.
1
2
3
4
5
Hyperband-Tuner/ZF, Multisystem
260-87271.050
Hyperband-Tuner/ZF, Dualsystem BG/DK
260-87273.050
Hyperband-Tuner/ZF, Multisystem m. Ant. Splitter
260-87345.050
7
8
9
10
X
W
V
U
C4806
22u
T
R4807
R4809
R4805
S
27k
0R
0R
R4811
27k
C4811
100n
R
C4857
Q
47n
P
0R
R4853
O
R4852
100R
R4861
0R
N
Demodulator
Demodulator
M
U5
L
X4831
TBWA04B
C4837
L4831
K
6µ8
2µ2
X4832
D4832
*
Q4836
BC847B
*
J
U5
I
Q4832
*
H
Q4833
R4841
*
*
R4842
*
G
M
F
C4856
E
LOEWE.
22p
Benennung:
6
D
Tuner-ZF 97
W4800
C
Code-Teile-Nr. Lpl.:
Index
g
B
396-87222
Datum:
31.07.98
A
9
10

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