IC TA 8135 P
IC CXA 1100 P
IC LM 833, NJM 4556
V
CC
8
+
-
NJM 4558
7 6 5
+
-
1 2 3 4
V
OUT2
-
V
IN2
+
V
IN2
V
EE
V
OUT1
-
V
IN1
+
V
IN1
VP1
CLOCK
REGENERATION
AND SYNC
OSZILLATOR
DEVIDER
TESTLOGIC AND
OUTPUT
SELEKTOR SWITCH
QUALITY-
BIT
GENERATOR
COSTAS LOOP
VARIABLE AND
FIXED DIVIDER
CLOCKED
COMPARATOR
BIPHASE
SYMBOL
DECODER
ANTI
ALIASING
FILTER
57KHZ
BANDPASS
(8th ORDER)
RECONSTRUK.
FILTER
REFERENZ
VOLTAGE
DIFFERENTIAL
DECODER
RDCL T57 OSCO OSCI VDDD VSSD TEST TSTLD
SCOUTCINVSSAVDDAMUXVREFRDDAQUAL
SAA6579T
16 12131415 91011
12345678
IC SAA 6579 T
IC TDA 1311
IC SAA 7345 GP
IC µPC 1330 HA
Clock generation
circuit
ROM RAM
CPU
A
X
Y
S
PS
PC
L
PC
H
Timer 1 (8)
Timer 2 (8)
Timer 3 (8)
Timer 4 (8)
Timer 5 (8)
Timer 6 (8)
T1
CNTR
T3
CNTR
PWM
OUT
0
OUT
1
OUT
SI/O
automatic
transfer controller
SI/O automatic
transfer RAM
32 bytes
FLD automatic
display
controller
FLD automatic
display controller
48 bytes
Local data bus
PWM (14) SI/O2 (8)
P3 (8)P4 (8)P5 (8)P6 (8)PA (8)PB (8)
Clock
input
Clock
output
Sub
clock
output
Sub
clock
input
X
IN
X
OUT
X
CIN
X
COUT
Reset input
RESET
V
CC
V
SS
V
EE
Data bus
90 92 11 12 13 14 15 16 17 18 1920212223242526 345678910 2728293031323334 6566676869707172
8940913536 3738
Input port PB I/O port PA Output port P6 I/O port P4 Output port P3
AV
SS
V
REF
INT - INT
04
39
P9 (8)
73 74 75 76 77 78 79 80
P8 (8)
81 82 83 84 85 86 87 88
P7 (8)
95 96 97 98 99 00 1 2
SI/O1 (8)
A-D
converter (8)
93 94
P0 (8)
64 63 62 61 60 59 58 57
P1 (8)
56 55 54 53 52 51 50 49
P2 (8)
48 47 46 45 44 43 42 41
I/O port P9 I/O port P8 I/O port P7 I/O port P5
Output prot P0 I/O prot P1 I/O prot P2
8
M 3818x
11
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
48
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
4964 63 62 61 60 59 58 57 56 55 54 53 52 51 50
3217 18 19 20 21 22 23 24 25 26 27 28 29 30 31
REF
V
DD
V
CC
Microcomputer
INT
LOGICTONE H1 TONE H2
TONE L2TONE L1
VCA
CONT
DAC
REF1
VCA1
REF2
VCA2
FIL
+-
+
-
+-
+-
+-
+-
+- +-
+
-
+-
VCAO2
BUFHO2
BUFHI2
TONEH2
BUFLO2
BUFLI2
TONEL2
BBI2
BBO2
BB12
BASNF2
BASIN2
TREIN2
MIDINF2
MIDIN2
REF2
VCAO1
BUFHO1
BUFHI1
TONEH1
BUFLO1
BUFLI1
TONEL1
BBI1
BBO1
BB11
BASNF1
BASIN1
TREIN1
MIDINF1
MIDIN1
REF1
GND
GND2
VCAI1
SEL2
IN2-4
IN2-3
IN2-2
IN2-1
DAC
FIL
IN1-1
IN1-2
IN1-3
IN1-4
SEL1
VCAI1
PORT8
PORT0
PORT1
PORT2
PORT3
PORT4
PORT5
V
REF
GND
Vcc
DATA
CLOCK
LATCH
PORT6
PORT7
DD
M62413FP
M 62413FP
IC M 62413 FP
IC M 3818x
UMS 1 / UMS 2
3 - 26
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
GRUNDIG Service
UMS 1 / UMS 2
3 - 25
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
GRUNDIG Service
A T T 2
A T T 1
S C
D E T
A T T 3
-
+
S C
D E T
A T T 3
A T T 1
A T T 2
-
+
+
+
16 15 14 13 12 11 10 9
87654321
CXA 1100
LINE
IN
PB
IN
REC/PB LINE
OUT
REC.
OUT
LINE
IN
PB
IN
ON/OFF LINE
OUT
REC.
OUT
V
CC
ALC DET
REC
MUTE
REC
1
-
16
2
15
1
456
7
3
8
14
10
11
9
12 13
REC
2
ALC
NON
ALC
-
NOISE
REDUC-
TION
REC OUT-2
REC IN 2
GND
PRE
OUT 2
TO PIN 2 V
REF
ALC
NON ALC
IN-2
NON ALC
ALC
IN-1
PRE OUT 1 REC IN 1
NOISE
REDUC-
TION
REC OUT-1
TO PIN 2 V
REF
OFF
MUTE
ON
NON ALC
ALC
V
REF
TA 8135 P
12
SW R1 GND SW P2VCCGNDCONTSW P1 GND
4567893
SW R2
Comparator
*
µPC 1330 HA
Inverter
IC X 24 COOP
LEFT INPUT REGISTER
LEFT OUTPUT REGISTER
LEFT BIT SWITCHES
RIGHT INPUT REGISTER
RIGHT OUTPUT REGISTER
RIGHT BIT SWITCHES
I / VI / V
11-BIT
PASSIVE
DIVIDER
32 (5-BIT)
CALIBRATED
CURRENT
SOURCES
1 CALIBRATED
SPARE
SOURCE
32 (5-BIT)
CALIBRATED
CURRENT
SOURCES
1 CALIBRATED
SPARE
SOURCE
11-BIT
PASSIVE
DIVIDER
REF.
SOURCE
CONTROL
AND
TIMING
IOL IOR
TDA 1311A(T)
GND
4
5
VDD
C2 100nF
1
2
3
BCK
WS
DATA
6
VOL
8
VOR
PLL
FRONT-
END
DIGITAL
PLL
EFM
DEMODULATOR
SRAM
RAM
ADDRESSER
TIMING
MICRO-
RPECESSOR
INTERFACE
Q-CHANNEL
CRC CHECK
Q-CHANNEL
REGISTER
VERSATILE PINS
INTERFACE
KILL
PEAK
DETECT
SERIAL
DATA
INTER-
FACE
EBU
INTER-
FACE
AUDIO
PROCESSOR
FLAGS
ERROR
CORRECTOR
MOTOR
CONTROL
22
23
33
2
21
20
19
18
2724252643
28
32
30
31
17
29
1
14
13
5
6
10
7
9
8
1111 12 15 16 44 43
MOTO 1
MOTO 2
CFLG
DOBM
SCLK
WCLK
DATA
MISC
KILLV5V4V3V2V1
PORE
RAB
DA
CL
CL16
CLA
CL11
CROUT
CRIN
TEST2
TEST1
IREF
ISLICE
HFREF
HFIN
V
DDA
V
SSA
V
DD1
V
SS1
V
DD2
V
SS2
SAA 7345 GP
1
2
3
4
8
7
6
5
NC
NC
NC
Vss
Vcc
NC
S CL
S DA
X 24 COO
NC = NO CONNECT
Vss = GROUND
Vcc = SUPPLY VOLTAGE
SDA = SERIAL DATA
SCL = SERIAL CLOCK
CONTROL
LOGIC
INPUT/
OUTPUT
BUFFER
COMMAND/ADRESS
REGISTER
SHIFT REGISTER
MEMORY ARRAY
S CL
S DA
X 24 COO
IC Blockdiagramme
IC Block Diagrams
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