GRUNDIG Service
FREAXX 50 RRCD 4305 SPCD
1 - 2
Table of Contents
Page
General Section .................................. 1-2…1-10
Measuring Instruments / Equipment ............................................ 1-2
Technical Data ............................................................................. 1-3
Service Hints ................................................................................ 1-3
Disassembly Instructions ............................................................. 1-4
Operating Hints ............................................................................ 1-9
Adjustment Procedures ....................... 2-3…2-4
Circuit Diagrams and
Layout of the PCBs ............................ 3-1…3-17
Block Diagram .............................................................................. 3-1
Wiring Diagram ............................................................................ 3-2
Circuit Diagrams:
Tuner PCB ............................................................................... 3-4
CD Servo PCB ......................................................................... 3-6
Main PCB ............................................................................... 3-10
Rectifier PCB .......................................................................... 3-10
Headphone PCB .................................................................... 3-10
Display PCB ........................................................................... 3-12
MCU PCB ............................................................................... 3-12
Key PCBs ............................................................................... 3-12
MP3 PCB ............................................................................... 3-16
Tuner PCB ............................................................................... 3-3
FM Mode PCB .......................................................................... 3-3
CD Servo PCB ......................................................................... 3-8
Main PCB ................................................................................. 3-9
Rectifier PCB ............................................................................ 3-9
Headphone PCB ...................................................................... 3-9
Display PCB ........................................................................... 3-14
MCU PCB ............................................................................... 3-14
Key PCBs ............................................................................... 3-15
MP3 PCB ............................................................................... 3-15
Exploded Views and
Spare Parts List .................................... 4-1…4-4
Inhaltsverzeichnis
Seite
Allgemeiner Teil ................................... 1-2…1-8
Messgeräte / Messmittel .............................................................. 1-2
Technische Daten ........................................................................ 1-3
Servicehinweise ........................................................................... 1-3
Ausbauhinweise ........................................................................... 1-4
Bedienhinweise ............................................................................ 1-7
Abgleichvorschriften ........................... 2-1…2-2
Schaltpläne und
Platinenabbildungen .......................... 3-1…3-17
Blockschaltplan ............................................................................ 3-1
Verdrahtungsplan ......................................................................... 3-2
Schaltpläne:
Tuner-Platte ............................................................................. 3-4
CD-Servo-Platte ....................................................................... 3-6
Haupt-Platte ........................................................................... 3-10
Gleichrichter-Platte ................................................................. 3-10
Kopfhörer-Platte ..................................................................... 3-10
Display-Platte ......................................................................... 3-12
MCU-Platte ............................................................................. 3-12
Tasten-Platten ........................................................................ 3-12
MP3-Platte ............................................................................. 3-16
Tuner-Platte ............................................................................. 3-3
FM-Mode-Platte ....................................................................... 3-3
CD-Servo-Platte ....................................................................... 3-8
Haupt-Platte ............................................................................. 3-9
Gleichrichter-Platte ................................................................... 3-9
Kopfhörer-Platte ....................................................................... 3-9
Display-Platte ......................................................................... 3-14
MCU-Platte ............................................................................. 3-14
Tasten-Platten ........................................................................ 3-15
MP3-Platte ............................................................................. 3-15
Explosionszeichnungen und
Ersatzteilliste ........................................ 4-1…4-4
Allgemeiner Teil
Messgeräte / Messmittel
Mess- / Wobbel-Sender
Klirrfaktor-Messgerät
Oszilloskop
Digital-Voltmeter
Tonhöhenschwankungsmesser
NF-Voltmeter
Frequenzzähler
FE-Testcassette (z.B. 449)
General Section
Measuring Instruments / Equipment
Signal / Sweep Generator
Distortion Meter
Oscilloscope
Digital Voltmeter
Wow and Flutter Meter
AF Voltmeter
Frequency Counter
FE Test Cassette (e.g. 449)
