Inhaltsverzeichnis
Werbung
1
2
R478
33k
Stereoendstufe
Final stage stereo
C478
2n2
4
I474
TDA2030
L479
*
C477
220n
I
W471
gn / green
W470
2
C479
*
220n
1
7
W491
*
6
5
3
an, to Kühlblech/Heat Sink
U12
4
2
I474, I484
R488
3
1
33k
W481
2
ge / yellow
1
2
1
H
L489
*
4
I484
TDA2030
C488
2n2
C487
220n
C489
220n
G
F
Netzteil
Power supply
R621
56k
2W
E
C623
6
2E
R627
220n
10k
7
8
R623
4k7
3
I611
R622
P633
R633
820k
TDA4605-3
470R
1k8
D636
C632
BA157
220n
1
C634
D
C636
C631
R632
1µ
4n7
4n7
82R
2
4
R634
R630
Q624
2D
680k
5
10R
BUZ91
C637
1D
4n7
D630
R628
1N4148
R624
39k
120R
3W
D624
C
BYW96-D
an Bedienteil
B622
to Control unit
R613
1R5/7W
T612
*
W612
W611
C612
220n
2
2
B
1
1
D613
B250C3200
Netz in
C611
220n
F611
R619
T3,15A
W619
*
Entmag.
C619
2
100n
1
A
an Entmagnetisierung
Netzspannungs-Potential
to Degaussing
Supply voltage potential
1
2
3
4
an,to Signal Board W971
UNF+
C472
R473
22µ
1k
2
1
2
3
4
5
6
7
8
9
10
W610
C474
10n
R474
33k
R472
C476
10k
1µ
1
U5
C466
2200µ
UNF-
UNF+
UNF+
D474
1N4148
C467
R466
22n
470R
3W
C465
100p
R468
C469
470R
22n
3W
UNF-
UNF-
UNF+
R483
1k
U25
2
F655
C482
Br.
C485
22µ
1n
an,to W201 SAT
R484
R482
33k
10k
1
C484
C486
10n
1µ
UNF-
C492
4µ7
R492
1k
D491
1N4148
R691
R491
3R3
100R
D651
L650
FUF5407GP
T639
22
UB
C650
D622
C651
R618
*
BA157
47u
Br.
6
R690
R629
R626
20
1R
D656
C691
22R
22R
L656
BYW98
100µ
19
U25
F656
C656
C657
T1.25A
680p
470µ
C661
5
U14
680p
18
D661
L661
BYW98
17
F661
C622
T2.5A
C662
100µ
470µ
Q663
C626
C627
BUZ71A
33n
150p
8
D671
U7
L626
F672
T5A
MA750
C673
330n
15
2
1
3
C682
680p
16
C672
Q674
4700µ
BUZ71
I676
D681
10
14
TL431AC
C620
F689
BA157
C681
D686
T630mA
220µ
BYW98
L686
330µ
13
UNF+
R686
L685
0R1
R685
R687
D687
68R
0R1
BYW98
2W
T618
12
*
W-TRAFO
C688
680p
L687
C639
UNF-
2n2/4kV
C689
220n
R639
10M
Geräte-Potential (erdfrei)
Set potential (off ground)
3
4
5
6
an,to Signal Board W701
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
U8
U12
6H
U12
7H
W650
10G
1
2
3
4
Hyperband Tuner
5
R657
U25
4k7
Hor.
R658
4k7
D532
L521
BYW98
22µ
R521
3R3
B549
T528
Tr
R532
C521
*
R692
100µ
100R
7F
R529
4k7
C524
R527
1µ
4k7
D527
B673
EU02
1R
R526
C527
56R
220n
B674
I691
C528
1R
L78S09
680p
Q526
2SC3944
1
3
IN
OUT
U9
GND
D526
C694
C693
1N4148
C692
100µ
330n
330n
I663
R654
L7808
R587
4k7
L588
100R
1
3
22µ
U8
Q582
Q589
IN
OUT
GND
BC557B
BC557B
C588
C667
10µ
C660
C666
100µ
100µ
330n
U12
R589
3k3
U25
C668
220µ
Q593
C665
C582
BC557B
330n
100p
R693
R668
R583
10k
R593
4k7
390k
I674
10R
R584
C677
TL431AC
R582
33k
R585
220µ
10k
150R
U5
C674
C581
22n
C676
4n7
R664
330n
R586
1k
1k
Q586
R677
BD537
10k
1%
VPROT
V-
R679
E1
V+
R678
220k
10k
C563
1%
R563
220µ
470R
VFLB
R688
R681
D568
68R
*
6B
Br.
2W
D561
Q682
BA157
BD536(PN
UNF+
2
UV+
FLYBACK
GENERATOR
C562
220n
I561
Q681
4
UV-
R684
BC557B
TDA8177
*
C569
220n
Vert.-Ablenkung
R683
R682
Vert. deflection
*
*
5
6
7
8
9
an,to Signal Board W003
W211
1
2
3
4
5
6
7
8
U9
R206
D206
C207
18k
MA4300
100n
UB
R207
18k
U33
B216
U5
B215
L202
L203
Br.
47µ
U9
C202
C204
100n
100n
Hor. Endstufe
W532
Kont
Hor. final stage
1
2
L530
22m
B536
B537
8G
T531
12
B532
(9)
R518
8F
10R
C532
L531
D531
100p
R531
R517
L532
RU2
*
22R
Br.
Q534
R533
2SC4542
R516
Q532
12R
D533
22R
Q531
ZTX614
R525
BA157
ZTX712
5
4k7
(5)
R534
C533
3R3
R524
4k7
R536
100p
10k
1
C535
(12)
R537
100µ
C531
D541
*
10k
7
(2)
R541
BA157
C541
R538
R535
3R3
*
100k
100k
C537
100p
C543
D539
*
ESC011
Q533
C538
BF422
L534
47µ
150µ
R549
150k
U12
R555
UB
C546
1k8
R546
R553
C555
D546
220n
220R
220R
100n
C540
2µ2
BA157
8E
R540
L540
1m8
L590
C542
47R
1m6
*
C544
L538
*
*
R543
1k5
R592
L537
1R
*
(11)
8D
O/W-Korrektur
R591
E/W-correction
1R
C590
8C
4µ7
7C
R573
R566
3k3
R578
82k
82k
C567
W569
Vert.
1n5
R565
rt / red
R569
7B
40k2
470R
1
C568
2
470n
R564
R567
470R
470R
R568
1R5
UNF+ = +18V
UNF- = -18V
UV-
UVID = 210V
= EW GND
R574
UMUTE = +13V
*
= Defl GND
UV+ = +13,5V
7A
C578
UV- = -13,5V
= HDGND
1n5
UG2 = 760V
= HPGND
UB
= 142V 21" 4:3
C577
R579
C579
UB
= 136V 23" 16:9
= SEKGND
*
40k2
*
UB
= 142V 24" 4:3
= Primär GND
UB
= 142V 28" 4:3
UB
= 136V 28" 16:9
= Analog GND
UB
= 140V 29" 4:3
= NF GND
7
8
9
Oscillograms
10
W217
W216
1
1
0
2
2
an,to W188 SAT
9
10
11
12
13
2V/Div DC;
1 D
3
3
5 us/Div
W250
8
DISE
7
I
U33
0
6
SCL5
100V/Div DC;
2 D
5
5 us/Div
SDA3
4
SCL4
3
2
1
0
C208
an,to W181 SAT
10n
500mV/Div DC;
2 E
5 us/Div
H
0
U202
10V/Div DC
6 B
5ms/Div
Tuner
0
500mV/Div DC;
6 H
5 ms/Div
G
R545
*
0
500mV/Div DC;
7 A
2 ms/Div
32KV
C511
FOCUS
R551
22µ
F
0
150k
10V/Div DC;
7 B
R550
2 ms/Div
UG2
2k2
an,to
R552
W301 CRT-PCB
1M
W548
R542
C549
1k8
22n
4
(13)
D548
UF
0
13
3
1N4148
10
2
500mV/Div DC;
7 C
2 ms/Div
(8)
1
D549
R548
MA4300
120R
D547
rt / red
E
BA159
L547
4
(4)
R547
2
C547
3R3
0
100p
1
10V/Div DC;
7 F
C548
10 us/Div
8
W549
22µ
(6)
L553
D558
sw / blk
*
RU2
6
UV-
(1)
R558
1R5
C550
0
2200µ
C556
500mV/Div DC;
7 H
100p
9
10 us/Div
D
(7)
C557
100p
C558
2200µ
R557
1R5
3
UV+
(3)
0
D557
RU2
500mV/Div DC;
8 C
5 ms/Div
2
13
U33
12
B535
11
U9
10
C
9
0
8
U5
5V/Div DC;
8 D
7
B557
5 ms/Div
6
5
4
3
U12
2
B504
U8
0
1
U25
50V/Div DC;
8 E
5 us/Div
W620
*
0
B
* = Typ-Var.
LOEWE.
Benennung:
2V/Div DC
8 F
5 us/Div
Basic Board
Q4100
0
200V/Div DC
8 G
10 us/Div
Code-Teile-Nr. Lpl.:
Index
A
390-87185.172-183
h
Datum:
15.10.98
0
10
10V/Div DC
1 0 G
20 us/Div
Werbung
Inhaltsverzeichnis
