Grundig M 19-C Bedienungsanleitung Seite 43

M 19-C / M 29-C
Schaltplan – CD-Platte / Circuit Diagram – CD Board
S708 Q700 2SA1317
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
F- T - T + F+ PD VR LD F C B A D E VCEN
VCEN
RGND
R797 47
CE706
47U/16
RGND RGND
RGND
VRD
EF-B
VCEN
C721
224(M)
R788 100K
R787 68K
C717
333(M)
R789 2.2K
C716
330P
C714
VCEN
473(M)
VCEN
R785
12K
C713
180P
R776
15K
R780
Q701
3.3K
2SC3330
R779
47K
R758
39K
R759
22K
R756
22K
R757
22K
Digital
NF rechts / AF right
NF links / AF left
SGND
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
CE709 CE710
CE711
R700 470U/10 100U/10
100U/10
22
C728
103
CE708 C729
100U/10
103
FSS-A VDD
RGND
DGND
CE707 C725
VCEN
220U/10 104
R750
4.7k
RGND
T-OFS Vcc1
1
48
FIN2 NC
VCEN
2
47
FIN1 TBC
3 46
E FSC
4
45
F DGND
IC BLOCK DIAGRAM
5 44
TB SLI
PAGE 3 - 36
R786 6 43
TE- SLC
12K
IC700
7 42
TE RFS-
LA9241M
8 41
TESI RFSM
9 40
SCI C V +
C718 RF AMP
10 39
TH C V -
224(M) ANALOG SIGNAL PROCESSING
11 38
TA SLOF
12 SERVO SIGNAL PROCESSOR 37
TD- HFL
13
36
TD TES
14 35
JP TOFF
15 34
TO TGL
16 33
FD JP+
JP-
R778 33K
FD-
R777 10K RGND
DGND
C708
474(M)
R772
47K
C706
R767 220 103(M)
VCEN
R770 6.8K
R766
R765
680 100K
CE704
R768
22U/16
C757
100K C756
C705
473(M)
103(M)
102(M)
R764
56K
VCEN
VCEN
R760
22K
Q702
2SC3330
C704
CE702
IC702 R755
104
100U/16
LA6537
18K
1 30
VCC VCC
2 29
DGND N.C N.C
3 28
VIN7+ VIN6+
SGND
R754
4 27
VIN7- VIN6-
22K
5 26
VO7 VO6
6 25
VO6 VO5
7 24
GND GND
8 23
GND GND
9 22
GND GND
10 21
VO1 VO4
11 20
VO2 VO3
19 R753
12
VIN2- VIN3-
22K
13 18
VIN3+
VIN2+
14 17
N.C BUFO
15 16
MUTE BUFI
IC BLOCK DIAGRAM
SGND
PAGE 3 - 37
VCEN
M 19-C / M 29-C
V-CEN
CE712
100U/10
$ % ^
C730
103
VCEN VDD
R732
1K
VDD
R747
D700
22K
IN4148
CE714
DGND
100U/10
TEST1
C736
1
DEFI
104
2
TAI
C737 104 3
PDO
R730 R731 680
4
VVSS
27K
5
IC BLOCK DIAGRAM
ISET
C738 104
6
VVDD
R728
7
FR
3.9K
8
VSS
DGND
R729 9
EFMO
33K
10
EFMI
DIGITAL SIGNAL PROCESSOR
DGND
C739 11
TEST2
82P
12
CLV+
D/A CONVERTOR
13
CLV-
14
V/P
15
HFL
16
TES
R727
10K
TOFF
C740
RF 100P
DGND
C711
332(M)
R726 R725
270K 270K
R751
22K
Vs
+8V
IC703 LB1641
IC BLOCK DIAGRAM
PAGE 3 - 37
1 2 3 4 5 6 7 8 9 10
TO CD DRIVE
MECHANISM
S706
SPM-
SPM+
SLM+
+ 5 V
SLM-
R701
SGND
INSW
SGND R702
SGND
R752
10K C701
SGND
104(M)
3 - 34 GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
R733
10K
+ 5 V
V - A V-B
CE715
100U/10
CE721
DGND
470U/10
R736
P W
82
48
EFLG
47
SBSY X701
46
XVSS 16.9344MHZ
Q703
45
XIN
44 2SC3330
XOUT
C750
PAGE 3 - 36 43
XVDD
C751 C752
42 104
MUTER
IC701 15P 15P
C749
41
RVDD
104 R742
LC78622E 40 CE716
RCH0
18K
39 10U/10
RVSS
38
LVSS
DIGITAL FILTER R741
37
LCHO
36 18K
LVDD CE717
35
MUTEL C748 10U/10
34 104
Q704
NC
&
2SC3330
33
TEST4
TEST3
R740 R739
3.3K 3.3K
AGND
R721
DOUT
4.7K VDD
DGND
C747 DGND
VDD
100P
1K S709
R720
TO CD DRIVE
MECHANISM
R718 18K
VDD
R717 18K
Q705
Vs
B1240
V-B
R784 82
V - A
R743 82
VDD
VRD
C746
R716
104
470
Q707
R711
2SC3330
22K
AGND MGND
IC704 LB1641
+12V
IC BLOCK DIAGRAM
PAGE 3 - 37
1 2 3 4 5 6 7 8 9 10
CE700
47U/16
SGND
SGND
1K
+ 5 V
1K
C702
10U/16
R703 10K
R704 10K
TO CD DRIVE
S705
S703
MECHANISM
TO CD DRIVE
MECHANISM
DGND
S701
COIN
CDSQ
CQCK
R W C
CDEN
TUUP
DRF
RST
CDG
TUDN
R W Q
TO H502
R734
CONTROL
10K BOARD
PAGE 3 - 10/12
R735
10K
TO CD DRIVE
MECHANISM
TUDN
DGND
MGND TUUP
S702
DGND
R738 10K
+ 5 V
MGND
MGND
R737
+ 5 V
+8V
10K
+12V
AGND
R-CH
AGND
L-CH
MUTE
C755
S707
103
TO H304
MAIN BOARD
PAGE 3 - 14/16
Q706
B1240
DGND RGND SGND
R713
CE719
470U/10 470
R712
22K
Q708
2SC3330
MGND
MOT+
MOT-
CAR+
CAR-
UNLO
LOAD
STOP
+12V
ADDR
SLD+
SLD-
S704
TO H503
CONTROL
BOARD
PAGE
SGND
R709 1K 3 - 10/12
R708
1K
DGND
+ 5 V
R706 10K
R707
10K
3 - 35