Grundig FREAXX 50 Service Manual

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Grundig FREAXX 50 Service Manual

Extracted text from Grundig FREAXX 50 Service Manual (Ocr-read)


Page 2

GRUNDIG Service

FREAXX 50 HHCD 4305 SPCD

Es gelten die Vorschritten und Sicherheitshin-
weise gemaB dem Service Manual "Sicherheit",
Materialnummer 720108000000, sowie zusatz-
lich die eventuell abweichenden, landes-
spezifischen Vorschriften!

The regulations and safety instructions shall be
valid as provided by the "Safety" Service Manual,
part number 720108000000, as well as the re»
spective national deviations!

lnhaltsverzeichnis


Allgemeiner Teil .
Messgerate / Messmitte
Technische Daten .
Servicehinweise
Ausbauhinweise
Bedienhinweise.

Abgleichvorschriften ........................... 2-1...2-2

Schaltpléme und

Platinenabbildungen ..
Blockschaltplan .
Verdrahtungsplan ..
Schaltplane:
Tuner-Platte ..
CD-Servo-Platte
Haupt-Platte ......
Gleichrichter-Platte
Kopfhorer-Platte
Display-Platte
MCU-Platte.
Tasten-Platten
MP3-Platte
Platinenabbildungen:
Tuner-Platte ......
FM-Mode-Platte
CD-Servo-Platte
Haupt-Platte ......
Gleichrichter-Platte -
Kopfhorer-Platte 3-9
Display-Platte
MCU-Platte....
Tasten-Platten
MP3-Platte

Explosionszeichnungen und
Ersatzteilliste ........................................ 4-1 ...4-4

AllgemeinerTeil

Messgerate / Messmittei

Mess- / Wobbel-Sender
Klirnaktor-Messger'at
Oszilloskop

Digital-Voltmeter
Tonhéhenschwankungsrnesser
NF-Voltmeter

Frequenzzahler
FE-Testcassette (2B. 449)

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.

Block Diagram
Wiring Diagram .
Circuit Diagrams:
Tuner PCB
CD Servo PCB
Main PCB
Rectifier PCB.
Headphone PCB
Display PCB
MCU PCB

3-1...3-17
3-1

Key PCBs
MP3 PCB

Layout of the PCBs:
Tuner PCB -
FM Mode PCB 3-3
CD Servo PCB 3-8
Main PCB 3-9
Rectifier PC . 3 9

Headphone PCB
Display PCB
MCU PCB
Key PCBs
MP3 PCB

Exploded Views and
Spare Parts List .................................... 4-1...4-4

General Section

Measuring Instruments / Equipment

Signal / Sweep Generator
Distortion Meter
Oscilloscope

Digital Voltmeter

Wow and Flutter Meter

AF Voltmeter

Frequency Counter

FE Test Cassette (eg. 449)