Ic Block Diagrams - Grundig UMS 1 Serviceanleitung

Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
IC Blockdiagramme

IC Block Diagrams

TO PIN 2 V REF
NOISE
REDUC-
TION
IC TA 8135 P
PRE OUT 1 REC IN 1
6 5 4
TA 8135 P
-
7
ALC
REC
IN-1
1
3
NON ALC
REC
MUTE
8 ALC DET
ALC
NON
NON ALC 14
ALC
IN-2
REC
2
ALC 10
-
GND 9 PRE 11 REC IN 2 12 13
OUT 2
NOISE
REDUC-
TION
TO PIN 2 V REF
IC CXA 1100 P
LINE IN
PB IN REC/PB LINE OUT
16 15 14 13 12 11
- +
A T T 1
+
S C D E T
A T T 2
A T T 3
CXA 1100
A T T 3
A T T 2
S C D E T
-
A T T 1
+
+
1 2 3 4 5 6
LINE IN V CC
PB IN ON/OFF LINE OUT
IC SAA 6579 T
QUAL RDDA VREF MUX VDDA VSSA CIN
1 2 3 4 5 6
VP1
DIFFERENTIAL
REFERENZ
DECODER
VOLTAGE
ANTI 57KHZ
BIPHASE
ALIASING BANDPASS
SYMBOL
FILTER (8th ORDER)
DECODER
QUALITY- COSTAS LOOP
BIT VARIABLE AND
COMPARATOR
GENERATOR FIXED DIVIDER
CLOCK
SAA6579T
OSZILLATOR
REGENERATION
DEVIDER
AND SYNC
16 15 14 13 12 11
RDCL T57 OSCO OSCI VDDD VSSD TEST
IC µPC 1330 HA
Inverter µPC 1330 HA
Comparator
*
1 2 3 4 5 6 7 8
SW R1 GND SW P1 CONT GND VCC SW P2 GND
3 - 25
IC TDA 1311
REC OUT-1
LEFT INPUT REGISTER
LEFT OUTPUT REGISTER
6
VOL I / V LEFT BIT SWITCHES
16
IOL
32 (5-BIT)
11-BIT
CALIBRATED
PASSIVE
CURRENT
DIVIDER
2 V REF SOURCES
1 CALIBRATED
OFF
SPARE
MUTE
SOURCE
15
ON
1
NON ALC
BCK
1
2
CONTROL
ALC WS
AND
TIMING
3
DATA
IC SAA 7345 GP
V DDA
V SSA
11 11 12
REC OUT-2
SAA 7345 GP
HFIN 8
DIGITAL
HFREF 9
PLL
FRONT-
ISLICE 7
END
REC. OUT IREF 10
DEMODULATOR
TEST1
6
10 9
TEST2 5
CRIN 13
CROUT 14
1
CL11
TIMING
ADDRESSER
CLA 29
CL16 17
CL 31
MICRO-
DA 30
RPECESSOR
INTERFACE
RAB 32
PORE 28
7 8
IC M 62413 FP
REC. OUT
64 63 62 61 60
SCOUT
7 8
VCAO1
1 1
VCA1
REF1 2
REF1
MIDIN1 3
RECONSTRUK.
MIDINF1 4
FILTER
TREIN1 5
CLOCKED
- + -
BASIN1 6 +
-
BASNF1
7
TESTLOGIC AND
OUTPUT
BB11
8
SELEKTOR SWITCH
TONE L1
10 9 BBO1 9
TSTLD TONE H1
BBI1 10
TONEL1 11
- +
BUFLI1 12
BUFLO1 13
TONEH1
14
BUFHI1 - +
15
Microcomputer
INT
BUFHO1 16
17 18 19 20 21
9
SW R2
UMS 1 / UMS 2 Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
IC LM 833, NJM 4556
V IN2
V CC V OUT2
8 7 6
RIGHT INPUT REGISTER
RIGHT OUTPUT REGISTER
NJM 4558
8
RIGHT BIT SWITCHES I / V VOR
+
-
IOR
1 2 3
32 (5-BIT)
11-BIT
CALIBRATED -
PASSIVE
CURRENT
V OUT1 V IN1 V IN1
DIVIDER
SOURCES
1 CALIBRATED
SPARE
SOURCE
REF.
SOURCE
5
VDD
TDA 1311A(T)
4
C2 100nF
GND
V DD1 V SS1 V DD2 V SS2
15 16 44 43
22 MOTO 1
PLL MOTOR
CONTROL 23 MOTO 2
EFM
ERROR
CORRECTOR
33 CFLG
FLAGS
SRAM
AUDIO
PROCESSOR
RAM
EBU
2 DOBM
INTER-
FACE
Q-CHANNEL
CRC CHECK
21 SCLK
PEAK
Q-CHANNEL
REGISTER DETECT
20 WCLK
SERIAL
DATA
19 DATA
INTER-
FACE
VERSATILE PINS
MISC
KILL 18
INTERFACE
3 4 26 25 24 27
V1 V2 V3 V4 V5 KILL
59 58 57 56 55 54 53 52 51 50 49
VCAO2
48
VCA2
47 REF2
REF2
46 MIDIN2
45 MIDINF2
VCA
DAC
CONT
44 TREIN2
+ + - + -
+ 43 BASIN2
-
BASNF2
42
BB12
41
TONE L2
40 BBO2
LOGIC TONE H2
39 BBI2
38 TONEL2
+ -
37 BUFLI2
36 BUFLO2
M 62413FP
TONEH2
35
+ - BUFHI2
34
V CC
REF V DD
M62413FP
33 BUFHO2
22 23 24 25 26 27 28 29 30 31 32
GRUNDIG Service 3 - 26
IC X 24 COOP
- +
V IN2
5
CONTROL COMMAND/ADRESS
S CL
LOGIC
INPUT/
S DA OUTPUT SHIFT REGISTER
BUFFER
4
+
V EE
MEMORY ARRAY
X 24 COO
IC M 3818x
UMS 1 / UMS 2
NC 1 8 Vcc
REGISTER
NC 2 7 NC
X 24 COO
NC 3 6 S CL
Vss 4 5 S DA
NC = NO CONNECT
Vss = GROUND
Vcc = SUPPLY VOLTAGE
SDA = SERIAL DATA
SCL = SERIAL CLOCK
GRUNDIG Service