Grundig CF21, Service Manual

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Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs CF 21 Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs CF 21
Audio-Platte / Audio Board
3 - 3 GRUNDIG Service 3 - 4 GRUNDIG Service
0.7V
0.7V
0V
11.2V
11V
10.4V 0V
12V
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
6V
6V
6V
6V
0V
6V
6V
6V
6V
6V
0.4V
0.4V
6V
1.3V
0V
6V
6V
6V
6V
2V
6V
6V
6V
6V
6V
0.4V
0.4V
6V
6V
12V
PIN
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
IC104 +...V (PLAY)
MOR
Mode
Control
MOR
ATT
ATT
HLS
HLS HDET
HDET LDET
LDET LLS
LLS
IREF
LINE IN1
PB IN1
MPX OUT1
NRSW
LINE OUT1
SSK IN1
VF IN1
SSK1 VCT1 TCH1
TCL1
REC OUT1
VCT0
Vcc
MPX IN1
LINE IN2 PB IN2 MPX OUT2 MPX IN2 MODE LINE OUT2 SSK IN2 VF IN2 SSK2 VCT2
TCH2 TCL2
REC OUT2 IREF GND
GND
30 29 28 27 26 25 24 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 2 3 1
IC104 CXA1330S (DOLBY B/C)
TP
D2
TP
D1
TP
6
TP
5
B1 B2
B3 B4
2.3V
1.2V
0V
0V
0.6V
1.2V
0.6V
1.2V
2.3V
12V
11.6V
11V
11.2V
-0.8V
11.6V
0V
0.6V
1.2V
0.6V
0V
0V