Ic Block Diagrams - Grundig cdm 700 Servicehandbuch

CDM 700
IC-Blockdiagramme

IC Block Diagrams

IC1 TC9284BF
IC4 BA4558N IC601 TA7358AP
OUT 1 1 8 VCC
1ch
-IN1 2 7 OUT 2
- +
2ch
+ -
+IN1 3 6 -IN2
1
RF
VEE 4 5 +IN2
IN
BA4558N
IC603 TC4052
16V
DD
A
10
B
9
INH
6
8
V
SS
TC4052BP
7V
EE
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
IC2 TA2065N
TA 7358 AP
BUFFER LOCAL
AMP
OSC.
RF
MIX BIAS REC.
AMP
2 3 4 5 6 7 8 9
BIAS RF MIX GND MIX OSC OSC VCC
OUT IN OUT
X
13
-common
OUT IN
0X
c
12
1X
OUT IN
c
14
OUT IN
2X
c
15
OUT IN 3X
c
11
OUT IN
0Y
c
1
1Y
OUT IN
c
5
OUT IN
2Y
c
2
OUT IN 3Y
c
4
Y
3
-common
CDM 700
IC602 TA8132N
24 23 22 21 20 19 18 17 16
FM
FM Dec.
IF
ECL
AM
IF
AM/FM
Mono Sw.
AM
Mix.
AM Level
Det. Switch
SSC Osc. AGC Switch
1 2 3 4 5 6 7 8 9
IC604 TC9153
B+ R1_O/P R1_I/P AGND2 R2_I/P R2_O/P U/D OSC
16 15 14 13 12 11 10 9
LOGIC
TC 9153 AP
1 2 3 4 5 6 7 8
GND L1_O/P L1_I/P AGND1 L2_I/P INH DCO
L2_O/P
3 - 17 GRUNDIG Service GRUNDIG Service GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
IC3 TA2065
TA2092N
PW GND 1
- -
OUT (-) 1 2
PVCC1 3
+ + +
4
OUT(+) 1
5
VIN 1
VRI 6
VCI 7
VIN 2 8
+ +
9
OUT(+) 2
10
PVCC 2
- -
OUT(-) 2 11
PW GND 12
15 14 13
IC605 TA8227
VCO Decoder
HYS
ECL 1
TA8227
6
INPUT 1 +
TA 8132 AN
ch-1
45Ω
-
NF 1 5
Tun. Stereo
LED LED
BIAS CIRCUIT
RIPPLE 9 THERMAL SCHUT DOWN
10 11 12 PROTECTION CIRCUIT
INPUT 2 7
+
ch-2
45Ω
-
8
NF 2
PRE-GND
24
PW GND
-
23 OUT (-)4
22 PVCC4
21
OUT (+) 4
20 VIN4
19 SVCC1
18 SGND
17 VIN 3
16 OUT (+) 3
15
PVCC3
14 OUT (-) 3
13 PW GND
12
3 B. S. 1
2 OUTPUT 1
30kΩ
4 POWER GND
11 OUTPUT 2
10 B. S. 2
30kΩ
3 - 18