Grundig GHL0500 Servicehandbuch Seite 17

SCC 3400 RDS / SCC 3460 RDS / SCD 3490 RDS
CR829
603
1K0
CR836
603
1K0
CR837
603
1K0
CR839B
603
1K0
CR842
603
7
1K0
CR844
603
1K0
CR848
603
10K
10K
CC823 5V0
CR856
603
603
330K
22P
CR854
603
10K
CC809
603
22P
4MHZ332
CQ801
3 1
2
CR869
603
3K3
5V0
CR871
603
3K3
5V0
GRUNDIG Service
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of the PCBs
+5V
T1
nur/only
SCC 3460 RDS
CR845 NK-AD
SCD 3490 RDS
603
RDS-DA
22K
T3
1 2
QUAL RDDA
FELDST
DIFFERENTIAL
DECODER
CR838G MULTI-AD
603
BIPHASE
1K0
BERGER-MP SYMBOL
DECODER
CR841
EN QUALITY-
BIT
603
GENERATOR
100R
CR840 +G
CLOCK
603
REGENERATION
47K AND SYNC
AM/FM-STOP
RDCL T57
16 15
CR843 +U-ON
603
RDS-CL
1K0
+S-ON +S-ON
CR846 +G-ON +G-ON
603
1K0
AM-CUT
CC506
4MHZ332
603
10P
BED-ON/OFF
CR847 RDS-DA
S1007
603
+5V CR1021
10K
RDS-CL
603
150K
CR850 INKRINT CR1022
603 603
10K 47K
ON/OFF
INKREM
CR851 ON/OFF
603
INKRINT
1K0
CR852
T1
603
+5V
47K
CR853
603
CD-BUS
220R
BL-LED
U-BEL
+G
+A
-RESET
CR881
603
LCD-V
68K
CT2602 CT2601
BC848C BC848C
8 1
7 2
CIC802
6 24C08 3
5 4
SCC 3400 RDS / SCC 3460 RDS / SCD 3490 RDS
nur/only
SCC 3400 RDS
5V0
CR501
4V6
603
47R
CC508
2V3
CC504
603
560P
2V3 2V3 603 2V3
100N
3 4 5 6 7 8
VREF MUX VDDA VSSA CIN SCOUT
VP1
REFERENZ
VOLTAGE
ANTI 57KHZ
RECONSTRUK.
ALIASING BANDPASS
FILTER
FILTER (8th ORDER)
COSTAS LOOP
CLOCKED
VARIABLE AND
COMARATOR
FIXED DIVIDER
CIC501
TESTLOGIC AND
OSZILLATOR
SAA6579T
OUTPUT
DEVIDER
SELEKTOR SWITCH
OSCO OSCI VDDD VSSD TEST TSTLD
14 13 12 11 10 9
4V6
T1: 5V0
TP: 0V0
SOUND: 0V6
RADIO: 1V1
IS: 1V6
A1007 Bedienplatte Links Bedienplatte Rechts
GND
Operating Board left Operating Board right
A1008
ON/OFF
A1003
INKREM
A1004
INKRINT
A1006 Seite / page
T1
3 - 13
A1001
GND
A1009
BL-LED
A1011
U-BEL
A1002
+G
A1012
+A
2V6
13V9
CR2607 CD2601 CR2609 CT2603
603 603
10K BAS16 39K BC848C
3 - 5 GRUNDIG Service
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of the PCBs
T3:
SOURCE: 0V0
>:
EJECT:
<:
A1051
+U 2:
+U
1:
Seite / page A1052
T3
T3
3:
3 - 14
A1053
4:
GND
A1054 U-BEL
U-BEL
A1056
GND
ALLE SPANNUNGEN GEMESSEN BEI UB=14V GEGEN MINUS
ALL VOLTAGES MEASURED AT UB=14V WITH RESPECT TO NEGATIV
13V9
OHNE SIGNAL
WITHOUT SIGNAL
MIT SIGNAL:TB
7V7
WITH SIGNAL:TR
0V0
CR2614 HAUPTPLATTE
CT2604
603
BC848C MAIN BOARD
10K
5V0
0V5
1V1
2V0
2V6
3V0
3V7
4V3
07.12.00
3 - 6