Service-Management
Service Manual
BETA 5 Dotmatrix +
BETA 5 Dotmatrix -
Inhaltsverzeichnis
D
Seite
Abgleichvorschriften .............................. 2 … 3
Schaltpläne und
Druckplattenabbildungen..................... 5 … 28
Schaltpläne
HF-Teil ........................................................................................ 5
Prozessor-Teil............................................................................. 9
NF-Teil ...................................................................................... 13
Bedienplatte .............................................................................. 17
Anschlußplatte .......................................................................... 20
Druckplattenabbildungen
Hauptplatte ............................................................................... 22
Bedienplatte .............................................................................. 28
Anschlußplatte .......................................................................... 28
Ersatzteillisten und
Explosionszeichnungen ..................... 29 … 33
Ersatzteilliste Gerät ...................................................................... 29
Explosionszeichnung und Ersatzteilliste Laufwerk ...................... 32
Table of Contents
GB
Page
Adjustment Procedures.......................... 3 … 4
Circuit Diagrams
and Layout of PCBs .............................. 5 … 28
Circuit Diagrams
RF Part ....................................................................................... 5
Processor Part ............................................................................ 9
AF Part...................................................................................... 13
Operating Board ....................................................................... 17
Connecting Board ..................................................................... 20
Layout of PCBs
Main Board ............................................................................... 22
Operating Board ....................................................................... 28
Connecting Board ..................................................................... 28
Spare Parts Lists and
Exploded Views................................... 29 … 33
Spare Parts List Car Radio .......................................................... 29
Exploded View and Spare Parts List Tape Drive ......................... 32
Zusätzlich erforderliche Unterlagen für den Komplettservice
Additionally required Documents for the Complete Service
Service
Manual
Sicherheit
Safety
Sach-Nr./Part No.
72010 800 0000
Dieses Service Manual ist nur in Datenform verfügbar
This Service Manual is only available as data
Änderungen vorbehalten
Subject to alteration
Made by GRUNDIG in Germany
VK233 1198 72010 793 1500
Abgleichvorschriften / Adjustment Procedures BETA 5
j Abgleichvorschriften
1. Hauptplatte
Meßgeräte: DC-Voltmeter, Meßsender, NF-Voltmeter, Wobbler, Oszilloskop
Abgleich Vorbereitung Abgleichvorgang
1. MW-Oszillator
2. MW-Vorkreis
3. AM-ZF
4. FM-Oszillator
5. Stop-Generator
6. FM-HF- und ZFKreise
7. Feldstärke
MW;
DC-Voltmeter an FMP604.
Meßsender an Antenneneingang; f
(20dBµV);
NF-Voltmeter an Lautsprecher-Ausgang.
Meßsender an Antenneneingang; f = 1008kHz; f
E´ ≤ 10µV (20dBµV);
NF-Voltmeter an Lautsprecher-Ausgang.
FM;
DC-Voltmeter an FMP07.
Wobbler an Antenneneingang; Mittenfrequenz 93,0MHz;
∆f = ± 100kHz; ohne Modulation; E´ = 1mV (60dBµV);
Oszilloskop an FMP107.
Meßsender an Antenneneingang; Frequenz 93,0MHz;
f
= 1kHz; Hub = 22,5kHz; E´ = 3µV (10dBµV);
mod
NF-Voltmeter an Lautsprecher-Ausgang.
Meßsender an Antenneneingang; Frequenz 93,0MHz;
ohne Modulation; E´ = 100µV (40dBµV);
DC-Voltmeter zwischen FMP102 (+) und FMP109 (-).
= 1kHz; E´ ≤ 10µV
mod
mod
= 1kHz;
Mit L612 (1) bei 531kHz auf 1,2V ±50mV abgleichen.
Kontrolle auf 7,6V ± 0,6V bei 1602kHz.
Wechselweise mit L603 (3) bei 558kHz und mit C606 (4) bei
1548kHz auf maximale NF-Spannung abgleichen.
Mit F601 (9) auf maximale NF-Spannung abgleichen.
Mit L04 (A) bei 93MHz auf 2,6V ±50mV abgleichen.
Kontrolle auf 5,5V ± 0,5V bei 108MHz.
Mit F 105 (I) auf symmetrischen Spannungssprung einstel-
len. 93,0MHz
+5V
0V
∆f ≈ ± 28kHz
Wechselweise mit L01 (D) und L03 (C) auf NF-Maximum
abgleichen.
Mit F101 (F) auf NF-Maximum abgleichen.
Mit R105 (H) auf +300mV ± 20mV einstellen.
2. Cassettenlaufwerk
Meßgeräte: Frequenzzähler, Test-Cassette 448A (Sach-Nr. 35079 023 0000)
Abgleich Vorbereitung Abgleichvorgang
Bandgeschwindigkeit
Test-Cassette 448A einlegen und 3150Hz-Teil abspielen.
Frequenzzähler an Lautsprecher-Ausgang.
Mit Motorpoti auf 3150Hz ± 100Hz einstellen.
Motorpoti
2 GRUNDIG Service
BETA 5 Abgleichvorschriften / Adjustment Procedures
EMK
Rg
50Ω
Kabel
50Ω
10Ω 45Ω
10nF
60Ω
75Ω
E´
E´= EMK - 6dB
FM
F101
F104
F02F01
F03
L601
L04
L03
F602
Q201
L01
F601
BU01
F105
C606
ST1Y
L612
BU8Z
R105
L2001
Q701
Q801
BU801
BU802
IC1601
19373-462.00 4B(00)
(1)
(3)
(4)
(9)
(A)
(I)
(D)
(C)
(F)
(H)
L603
FMP604
FMP07 FMP107
FMP109
FMP102
FMP
Meßpunkt auf Lötseite
Measuring Point on Solder Side
CIC101
CC717
CR630CR613
Abgleichlageplan Alignment Layout
E´
Kabel
50Ω
50Ω
37.5Ω 55Ω
150Ω
37.5Ω
E´= EMK - 26dB
15pF
60pF
AM
Rg
EMK
GRUNDIG Service 3
Zum Abgleich die Antennen-
nachbildungen für AM bzw.
FM verwenden
For adjustment use the
aerial dummies for AM resp.
FM
Abgleichvorschriften / Adjustment Procedures BETA 5
k Adjustment Procedures
1. Main Board
Test equipment: DC Voltmeter, Test Generator, AF Voltmeter, Sweep Generator, Oscilloscope
Adjustment Preparation Adjustment Procedure
1. MW Oscillator
2. MW Bandpass
3. AM IF
4. FM Oscillator
5. Stop Generator
6. FM RF and IF
7. Field strength
MW;
Connect a DC Voltmeter to FMP604.
Connect a Test Generator to aerial input; f
E´ ≤ 10µV (20dBµV).
Connect an AF Voltmeter to Loudspeaker Output.
Connect a Test Generator to aerial input; f = 1008kHz;
f
= 1kHz; E´ ≤ 10µV (20dBµV).
mod
Connect an AF Voltmeter to Loudspeaker Output.
FM;
Connect a DC Voltmeter to FMP07.
Connect a sweep generator to aerial input. Center fre-
quency 93.0MHz; ∆f = ± 100kHz; no modulation; E´ = 1mV
(60dBµV);
Connect an Oscilloscope to FMP107.
Connect a Test Generator to aerial input; Frequency
93.0MHz; fmod = 1kHz; Dev. = 22.5kHz; E´ = 3µV
(10dBµV).
Connect an AF Voltmeter to Loudspeaker Output.
Connect a Test Generator to aerial input; Frequency
95.0MHz; no modulation; E´ = 100µV (40dBµV).
Connect a DC Voltmeter between FMP102 (+) and
FMP109 (-).
= 1kHz;
mod
Align with L612 (1) at 531kHz for 1.2V ±50mV.
Check for 7.6V ± 0.6V at 1602kHz.
Align alternating with L603 (3) at 558kHz and with C606 (4)
at 1548kHz for maximum AF voltage.
Align with F601 (9) for maximum AF voltage.
Align with L04 (A) at 93MHz for 2.6V ±50mV.
Check for 5.5V ± 0.5V at 108MHz.
Align F 105 (I) for a symmetrical stop impulse.
93.0MHz
+5V
0V
∆f ≈ ± 28kHz
Align alternating with L01 (D) and L03 (C) for maximum AF
voltage.
Align with F101 (F) for maximum AF voltage.
Adjust with R105 (H) for +300mV ± 20mV.
2. Tape Drive
Test equipment: Frequency counter, Test Cassette 448A (Part No. 35079 023 0000)
Adjustment Preparation Adjustment Procedure
Tape Speed
Insert Test Cassette 448A and play 3150Hz part.
Connect a frequency counter to loudspeaker outputs.
With the ´Motorpoti´ adjust for 3150Hz ± 100Hz.
Motorpoti
4 GRUNDIG Service
BETA 5 Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
HF-Teil / RF Part
BU01
FMP01
FMP02
FMP03
AM-ANT
CC01
2P7
CR03
*
CR10
1K5
470R
CR08
47K
CR06
*
*
*
1N0
CC06
CD01
BA779
*
FMP04
CT01
*
BC858C
*
1K0
1K0
CR02
*
CR01
330K
CC03
100N
CC02
10N
*
CR05
1K5
FMP07
CR04
47K
CC04
*
CD02
BB814
1N0
CC29
1P5
CC30
27P
781346
CL02
*
1N0
2UH2
CC07
*
8140-516-057
CT02
*
BFR93AR
4.1 V
L01
8140-533-904
D
FM - MISCHTEIL
FM MIXER
*
CC08
10P
7.5 V
7.8 V
CR07
CD03
*
BB814
L03
413
8140-530-270
CC28
*
1P0
8305-154-065
47K
15P
CC12
2
C
*
CIC01
*
12 11 10 9 8
8602-223-080 8602-2
C11
FM-ABST
CC17
56K
CR11
CC13
1N0
CC14
1N0
U4065B
AGC
WIDE BAND
& IF
INTER-
FERENCE
MIXER
+
22U/16V
100N
123
CC16
F01
CC09
MIXER
3.9 V
3.6 V
6P8
100N
1716151413
IF &
DETECT
CR12
+FM
*
CD601
BAV99
PHANTOM
CR600
100K
L601
C601
AM-ANT
2UH2
8140-525-899
K
1N0
*
*
+S
CR601
CR602
270K
180K
6.8 V
*
CR604
100R
8140-533-165
CR606
*
L603
1M0
FMP601
*
MW
CC604
781346
*
CT602
BF992A
G1
G2 S
47N
D
CR607
7.4 V
270R
8140-526-475
CC614
*
*
1N5
*
CR619
BC848C
CL606
8UH2
CC624
470P
680K
AM - TEIL
AM PART
CR617
*
CR618
*
*
*
3K3
*
*
CT604
120R
CC615
CR623
CC612
10N
22N
8R2
CR614
*
100K
CR611
CR630
10K
22K
*
CT607
BC848C
CC617
C603
CR624
22R
47N
+
10U/16V
AM-ABST
CT606
CC621
*
1N0
CD604
CD603
82R
100N
CR608
2K7
CC609
KV1561
**
100N
BB512GR2
CR613
47K
3
4
C606
5P5-30P
3.4 V
CC608
CR609
*
BF543
GSD
*
CR647
1M0
FMP604
CR621
*
CR622
*
*
0.85 V
CC613
1N0
120R
82R
*
MESSPUNKTE
ABGLEICHPUNKTE
FMP01
FMP02
43
FMP604FMP07FMP601FMP04FMP03
CD
GRUNDIG Service 5
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs BETA 5
CT101
*
IMH10
65
CC114
10N
MPX2
CR111
10K
3.1 V
4K7
*
+
C105
CC107
47K
U47/50V
FMP1
68P
12R
CR16
CC25
22N
234
F101
8141-114-482
1
3.9 V
4P7
3.6 V
6P8
MIXER
DETECTOR
987654321
1
3
2
8602-222-190
100N
CC26
IF &
F02
123
10R
CR12
+FM
F
678
220R
CR17
680R
CR20
1
F03
2
3
2.6 V
8602-222-190
VOLTAGE
REG.
IF2
LOCAL
IF1
242322212019181716
OSCI
*
CC23
47P
CC20
22P
CC24
FM-OSZ
1N0
CC21
**
CR19
4K7
A
CC22
1N0
FMP05
CR24
56K
6.7 V
6P8
3.2 V
8140-530-269
FMP06
CR18
L04
2
330R
8602-222-190
123
413
CC19
F104
*
CD04
BB814
CR15
22R
22N
560R
CR122
CR121
560R
CC121
1.8 V
1N0
CC101
8.1 V
FMP101
100N
FM-ZF-TEIL
FM IF PART
22N
CC103
*
CC104
*
22N
CR102
*
270R
ZFVERSTAERKER
PEGELDETEKTOR
ST
U
UREF
12345
C106
+
10U/16V
R105
15K
TDA
1593T
8305-841-593
CR117
*
FMP105
CIC101
6K8
H
FELDSTAERKE
SIGNAL STRENGTH
10R
CR106
8.3 V
+FM
CR107
10K
CC113
CR103
4N7
FMP102
4K7
FELDST
*
CR108
21
151617181920
FMP103
MPX1
8.3 V
+AM
12R
CR625
CR624
22R
47N
C616
+
10U/16V
CD609
*
7.8 V
+
47U/16V
CC620
**
*
CIC601
CC628
*
22N
CD608
KV1561
*
BB512GR2
100N
CR631
CC630
*
F601
8140-533-131
9
NP02N2
12K
CR648
781346
DOUBLE
BALANCED
MIXER
+
GAIN-
CONTROLLED
RF STAGE
16 15 14 13 12 11
FMP605
3.7 V
CR627
CC632
220P
CC634
270P
1
1K8
STANDBY
SWITCH
8602-810-055
E
2.1 V
VR(AGC)
V1
*
F602
GND
2
CC637
3
A1
A2
4
CR626
5K6
3K
GAIN CON-
TROLLED IF
AMPLIFIER DETECTOR
V1 V2 V3
INTERNAL
SUPPLY
VOLTAGES
22N
CC638
L612
8140-535-116
1378
1
47K
V2
VR(AGC)
47N
MW
CC622
BALANCED
FULL-WAVE
CONTROLLED
OSCILLATOR
CR636
CC641
CC642
CC646
47N
FMP607
22R
27P
100N
AM-NF
CR638
5N6
CR629
3K525R
AF PRE-
AMPLIFIER
18K
CC647
4K7
15N
CC623
7K
VR
TDA1072AT
8305-841-072
V3
10 9
4.2 V
1N8
C625
AMPLIFIER
170R
+
0.7 V
1U0/50V
7K
AGC
C626
87654321
INDIKATOR
DRIVER
220R
+
1.3 V
CR637
*
1U0/50V
2K2
FELDST
FMP609
AM-OSZ
654
47K
FMP611
IMH2
CT608
*
C648
+
10U/16V
47K
47K
47K
321
*
+A
MPX-MUTE
47K
CR603
CR2404
*
*
CT2412
BC848C
CR2409
**
13.95 V
CR2411
10K
2%
10K
+S
4R7
2%
*
10N
CC2403
*
CR2413
CR2414
FMP609FMP607 FMP101FMP06FMP05FMP605
FMP611
A91F
FMP102
FMP105
H
6 GRUNDIG Service
FMP1
FMP1
BETA 5 Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
CT101
*
IMH10
54
47K
2K2
47K
2K2
32
U47/50V
ABSTIMMSTOP-LOGIK
STUMMSCHALTUNG
FM-AUS
CR104
*
10K
VERSTIMMDETEKTOR
KLIRRFAKTKOMP.
*
1112131415
CR116
10K
FMP107
QUADRATUR
DEMOD.
50khz
1MHZ
4.2 V
REF-SPG
0 V
MPX-MUTE
STOP-IMP
I
1
F105
CR109
2K2
100P
CC112
8140-535-256
378
REF-SPG
KOMBI
MPX-MUTE
MPX1
PAUSE
+S
*
*
*
CC207
680P
CR201
4K7
CR222
4K7
CR203
22R
CC203
100N
C204
10K
47K
+
100U/10V
56 7 8
100N
CC109
CC108
1
FMP109
3.9 V
4K7
CR112
*
FMP103
MPX1
CR115
10K
FMP106
UREF
CC115
4N7
68P
4K7
CR113
*
10K
CR114
****
FMP104
CC116
K-SIG
+S
ANT-MESS
AKTIV: 5V8.5 V5 V
411
CR2412
R7
4R7
2%
10K
CR2407
*
10K
*
CT2409
BC858C
CR2403
*
910
100N
47K
CR124
*
CC117
XX
CC118
18P
4K7
4N7
CR118
CR119
CR133
*
*
XX
CC119
18P
5K6
*
C122
CR126
+
*
*
CR131
47K
CR125
1K0
12K
10U/6V3
*
CC123
MPX2
SPANNUNGSVERSORGUNG FUER AKTIVANTENNE
VOLTAGE SUPPLY FOR ACTIVE AERIAL (DC)
ANT-ON
T2401
BC368
CT2404
*
BC858C
CR2416
*
1K0
CR2417
*
47K
CR2419
*
68K
CC2401
CC1501
TEL-NF1
KOMBI
REF-SPG
10K
CR127
*
*
BC848C
18P
CT102
CC127
330R
CR134
*
CT103
*
BC858C
CC124
100N
3K9
CR128
*
10N
330R
CR129
UHCC
TEL-NF2
+S
TB-R
TB-L
BEEP
C1503
+
2U2/50V
CR1523
**
39K
C1504
2U2/50V
4K7
CR1525
**
AM-NF
CD-R
*
100N
4K7
CR1508
CC1502
*
*
100N
+
CR1526
47K
22N
CC1538
CC1507
18N
CD-GND
PHANTOM
100N
C2402
+
11.7 V
10U/16V
CD2401
*
L2401
Z47
220UH
8140-526-076
CD-L
CR1502
1M0
CR1503
1M0
CR1504
1M0
*
CC2403
*
10N
CR2413
*
CR2414
*
CR2408
27K
2%
2%
27K
2%
10K
CR2405
**
*
2K7
CT2411
BC848C
2%
CT2408
BC858C
10K
CR2406
*
FMP104FMP106FMP103
FMP107FMP109
10K CT2407
47K
CR2418
*
*
CT2406
BC848C
*
47K
BCR135
I
GRUNDIG Service 7
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs BETA 5
+
C1501
100N
C1502
100N
R1526
47K
10K
100U/10V
47K
*
8602-331-010
4 V
4 V
CC1506
100N
C205
10U/10V
Q201
CSB456
STEREO / VSA / KLANGSTELLER
CR210
47K
CT201
BCR135
CC201
*
150N
8.1 V
678
GND VS MPX-IN PEAK TBLANK
LP
+
3
CREF
456KHZ
13
27
PHONE IN
28
TBR
35
TBL
36
BEEP
38
AM
37
CDR
80kHzSUPPLY
PLL
PHONE GND
FM-L
FM-R
MUX
L+L-
CD
CD
PAUSE
R+
ICD
INL
OUTL
OUTR
1
2930 31 32 33 34
CC202
*
22
12
PAUSE
DEMODULATOR
MUTE
INR
XX
HP
80kHz
TDA7340G
+LOUD
VOL
LEVEL VHCC
DETECTOR
PEAK
LP
25kHz
CIC201
*
I C - BUS
8305-847-340
MUTE
SOFT
CSM
L
R
45
9
NOTCH
19kHz
BASS
R
*
CC208
100K
19 20 21
VSB
CONTROL
LEVEL
CONTROL
CUT
HIGH
DIGGND
SDA
SCL
OUT RF
OUT RR
OUT LF
OUT LR
VR
CR213
CR212
33K
HCL
**
HCR
CR217
3K3
CR211
39K
100K
CR218
*
17
18
11
10
25
23
26
24
3.3 V
220K
3.3 V
CC210
*
BAV99
CC214
CD201
4 V
1N5
10N
CC211
CT202
BC858C
4 V
1N5
CR224
CR221
100K
10K
CR216
2.3 V
3K9
CR207
75K
CR209
47N
330P
CC209
14 1516
FORMER
PULSE
BLANKER
NOISE
TREBLE
TRR
TRL
LLR
39 4041 4243 442
C1509
4U7/16V
C1510
4U7/16V
C1511
4U7/16V
UHCC
CR223
*
XX
CT203
*
CC206
XX
XX
DYN-HC
33N
CR1511
CR1516
CC1522
5K6
10N
2K2
FMP1505
+
FMP1506
+
FMP1507
+
C1515
+
U22/50V
C1516
+
U22/50V
5K6
CR1510
10N
CR1515
CC1520
2K2
CC1519
47N
33N
CC1537
CC1523
4 V 4 V 4 V 4 V
CC1530
**
CR1521
*
100N
10K
**
100N
CC1531
CC1526
CC1532
CR1522
1N8
CC1527
100N
10K
1N8
CC1533
100N
FMP1517
NF-L
FMP1519
NF-R
SCL
SDA
HAUPTPLATTE 19373-180.00
MAIN BOARD
* = BAUTEILE REFLOWSEITE
COMPONENTS ON REFLOW SIDE
03.09.98
FMP1507
FMP1505
FMP1506
FMP1517
FMP1519
8 GRUNDIG Service
BETA 5 Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Prozessor-Teil / Processor Part
C801
+5V
CR801
+
CR802
47K
CR803
47K
CR804
47K
22R
47U/6V3
S1
CR806
1K0
CC802
S2
CR807
1N0
1K0
CC803
CR808
***
1N0
CC804
*
CC806
*
CR812
+A
120K
CR809
1N0
47K
10N
UREF
K-SIG
CR816
*
FMP806
**
1K0
+5V-S
FELDST
1K0
CR813
CR817
***
FMP807
1K0
CC820
CR800
ANT-MESS
22N
CR820
1K0
18K
CR814
-XIRQ
12K
1K0
CR819
PAUSE
12K
CR815
TAS-OUT
CR888
*
47K
CC822
CC821
1K0
CR824
FMP805
1N0
1N0
DIS-OUT
CR823
+5V
BEEP
LS-OPEN
TEL-MUTE
ZUEND-ON
47K
CR868
*
+
1K0
C899
CR862
2U2/35V
262524232221201918171615141312
64
62
2728293031323334353637383940414243
*IRQ
VDDA/D
60
58
63
61
59
57
65
66
VSSA/D
VSSINT
PF7
PF6
PF5
PF4
PF3
PF2
PF1
PF0111213141516171854XOUT78
46
45
44
10K
12K
56
*XIRQ
48
47
CR831
PH3
49
CR829
**
PH1
PH2
*
CIC801
8305-815-100
51
50
LS-SHORT
47K
52
514849
PH0
MC68HC11KA2
54
53
52
CD-ON
CR827
50
55
1K0
47
*RESET
575856
S3
1K0
CR866
**** ***
*
*
CR867
47K
CR838
10K
CR869
10K
CR871
10K
1K0
8.664
8382-209-
+G
MESSPUNKTE
ABGLEICHPUNKTE
+G
*
*
*
10K
CR842
TAPE-IN
10K
CR843
CR844
TAPE-DIR
TAPE-FAST
1K0
CR841
******
CR848
10K
CR849
10K
CR851
10K
FMP801
REL-ON
FMP801
FMP806
10K
CR846
100R
CR847
MOT-ON
100R
HM-ON DIEBST
CR822
+G
10K
1K0
1K0
10K
1K0
330R
CR853
CR854
CR856
ON/OFF
CR857
CLIP
CR821
10K
C/D
AMP-ON
BLINK-ON
FMP805FMP807
CR858
CR861
CS
-LS-CHECK
330R
CR863
SCL
330R
CR864
330R
SDA
GRUNDIG Service 9
C
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs BETA 5
1K0
1413121110
48
497
8
*RESET
576059
58
56
CR876
3K3
8.664MHz
8382-209-086
67
K
38
K
69
K
71
K
+G
DYN-HC
CR833
**
454647
41
40
39
38
37
36
35
VDDINT
VDDEXT
VSSEXT
32
31
30
29
28
26 42
MODA/*LIR
MODB/VSTBY
CR878
*
Q801
RDS-DATA
RDS-CL
RDS-DA
22K
CR896
CT805
*
BC848C
47K
CR811
68K
+G
*
BCR135
47K
CR890
*
BC858C
CT802
4K7
CT803
1
2
3
4
13
12
11
10K
47K
22K
CR874
10K
RESET1
DATA1
CLK1
SET1
RESET2
DATA2
CLK2
SET2
C881
CR879
*
CIC803
MC74HC74
8305-786-074
*
CR837
100R
+
100U/6V3
CR818
**
2K2
CR899
*
CT807
*
10K
BC848C
14
VCC
5
Q1
6
Q1
9
Q2
8
Q2
710
GND
CR845
47K
FMP802
47K
CR865
*
*
CR891
10K
FMP832
*
CR859
2K2
CL881
10UH
8140-526-462
100N
CC882
CR893
FMP833
10K
CR894
*
CR883
**
10K
100K
*
BC848C
*
1K2
CT806
CT804
BC818/40
CR885
CR898
*
27K
FMP831
10R
CR826
*
CC807
*
RDS-DATA
STOP-IMP
MPX-MUTE
BEL-DIM
RDS-CL
INK-INIT
INKRM
ANT-ON
CD-DA-OUT
GALA-PR
+5V-S
CD-CLPR
CD-DA-IN
100K
CR895
K-LTG
*
CD801
*
BAV99
K-PULL
CR825
*
680K
100K
DIAGN
47N
+5V
FERN
+G
+5V
+5V
+A
FMP814
+G
*
SCL
SDA
AM/FM
+A
K-PULL
K-CODE
FMP2061
+
C2051
47U/16V
13.95 V
100N
CC703
CC701
**
CR701
*
22R
10K
CR706
CR708
*
47K
CR901
**
470R
CR903
470R
100N
4.9 V
CR2051
*
+A
CR709
*
CR902
470R
CR904
**
470R
47K
10R
8382-161-040
*
8305-769-289
C702
5V-REFERENZ
5V REFERENC
1
*
2
3
4
8305-764-949
100N
CC2053
*
FMP2062
47K
CR2057
AM-ABST
CR702
3K3
100N
CC704
27P
CC707
CC708
Q701
4MHz
16 15 14
CIC701
U4289BM
VDD SCL SDA
+
100U/6V3
OSCILLATOR
R-DEVIDER
2
I C-BUS
INTERFACE
OSCINOSCOUTGND1
CIC2051
L4949
+
C2056
9.5 V
27P
2.3 V2.2 V
PHASE
DETECTO
321
1U/50V
+G
K-CODE
3K3
1K0
CR834
47K
22K
CR840
CR839
**
*
CR836
10K
*
CR832
10K
*
CR810
4K7
CR884
10K
CR886
10K
CC827
*
CR889
100R
CR881
*
100P
-RESET
*
4K7
4N7
*
CR882
+5V
CR887
22K
CT801
BCR135 10K
CR897
*
47K
CR873
*
FMP804
CR892
10K
9876543216867666564636261
47K
FMP803
CC871
33P
1M0
CR877
CC872
33P
CC873
8MHZ664
FMP803
FMP804
FMP831
FMP814
FMP2062FMP2061FMP802FMP832
10 GRUNDIG Service
BETA 5 Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
EFERENZ
EFERENCE
8
CIC2051
*
7
L4949
6
5
8305-764-949
CR2058
100K
+
C2056
1U/50V
9.5 V
702
K3
27P
2.3 V
14 13 12 11 10 9
R
FMP2064
-RESET
100N
CC712
CC709
100N
CC711
100N
CR2056
10K
CC2058
CR704
C713
100N
+5V
+
100U/10V
56K
C714
*
+
CC716
270P
CR707
5K6
CT2061
BC818/40
*
100U/10V
5V-GESCHALTET
5V SWITCHED
*
CR2061
47K
FMP2067
3K3
CR2062
+S
CR711
100R
CC717
10N
PDFMOPDFMPDAMPDAMOVAOSCIN
100N
CC2063
**
+
C2064
47U/6V3
4.9 V5 V
+G
+VAR
FM-ABST
CR2064
+G-S
AM-OSZ
47R
FM-OSZ
MPX2
CD-CL
CD-CLPR
12345678
DIFFERENTIAL
BIPHASE
SYMBOL
DECODER
QUALITY-
BIT
GENERATOR
REGENERATION
16 12131415 91011
RDCL T57 OSCO OSCI VDDD VSSD TEST TSTLD
RDS-DA
+5V
RDS-CL
INK-A
INK-INIT
CR2604
*
22K
68K
CR1092
CC1091
*
4K7
4N7
CR1091
**
14 13 12 11 10 9 8
DECODER
CLOCK
AND SYNC
BLK-LED
+
C508
2U2/35V
COSTAS LOOP
VARIABLE AND
FIXED DIVIDER
OSZILLATOR
DEVIDER
FMP501
100P
CC502
+A
BLINKSCHALTUNG
BLINKER CIRCUIT
680R
CR2601
*
*
CT2601
BCR135
10K
47K
CC507
*
ANTI
ALIASING
FILTER
8MHZ664
330P
2.3 V2.3 V
REFERENZ
*
CIC501
SAA6579T
8305-826-579
CC514
*
VP1
VOLTAGE
57KHZ
BANDPASS
(8th ORDER)
100N
10M
CR2602
**
+5V
CR2603
COMARATOR
10M
CC509
*
560P
SCOUTCINVSSAVDDAMUXVREFRDDAQUAL
REC
CLOCKED
TESTLOGIC AN
OUTP
SELEKTOR SWITC
BLINK-ON
&&
*
CIC2601
&&
7654321
FMP2601
FMP2601
FMP501
150N
CC2601
CC2603
**
CC2602
*
3N3
150N
2
-BUS
ERFACE
PHASE
DETECTOR
CURRENT SOURCES
CT901
2.5 V
AM/FM
SWITCH
CR906
*
N-DEVIDER
SWO1SDA AS FMOSC GND2 AMOSC
0 V
4.7 V
1K0
CR712
*
*
BC858C
HEF4093BT
8305-732-093
FMP2602
876543
CC718
*
2.6 V
2N2
CC721
*
100P
8140-526-469
CT902
*
BCR135
10K
47K
CL701
10K
CR907
*
10K
0UH1
CC715
10P
FMP2602FMP2067FMP2064
GRUNDIG Service 11