Allgemeiner Teil / General Section
TVR 3735…, TVR 3740…, TVR 5540…
2
GRUNDIG Service
GB
Table of Contents
Page
General Section ............................................. 3-6
TVR Overview ................................................................................. 3
Service Instructions ......................................................................... 5
Special Functions ............................................................................ 6
Discription .......................................... 2-6…2-10
Layout of the PCBs
and Circuit Diagrams ............................... 7…33
Wiring Diagram ............................................................................... 7
Power Chassis (PS)/Picture Tube PCB (CRT) ............................... 9
Signal Chassis .............................................................................. 13
• TV Control (CO) ......................................................................... 17
• Head Amplifier (HA) ................................................................... 18
• Drive Control (DE) ...................................................................... 19
• TV Signal Electronic (TV) ........................................................... 21
• Frontend 2 / SECAM L Demodulator (TU2) ............................... 23
• VCR Signal Electronic (VS) ....................................................... 25
Keyboard Control Unit (TM) .......................................................... 27
Oscillograms ................................................................................. 28
Block Circuit Diagram – Power Supply/Digital .............................. 32
Block Circuit Diagram – TV/VCR .................................................. 33
Drive Mechanism................................ 5-6…5-10
Exploded View
and Spare Parts Lists ............................ 34…44
D
Inhaltsverzeichnis
Seite
Allgemeiner Teil ............................................ 3-6
Geräteübersicht .............................................................................. 3
Servicehinweise .............................................................................. 4
Sonderfunktionen ............................................................................ 6
Beschreibung ....................................... 2-1…2-5
Platinenabbildungen
und Schaltpläne ....................................... 7…33
Verdrahtungsplan ............................................................................ 7
Leistungschassis (PS)/Bildrohrplatte (CRT) ................................... 9
Signalchassis ................................................................................ 13
• TV-Steuerung (CO) .................................................................... 17
• Kopfverstärker (HA) ................................................................... 18
• Laufwerksteuerung (DE) ............................................................ 19
• TV-Signalelektronik (TV) ............................................................ 21
• Empfangseinheit 2 / SECAM-L-Demodulator (TU2) .................. 23
• VCR-Signalelektronik (VS) ......................................................... 25
Bedienplatte (TM) ......................................................................... 27
Oszillogramme .............................................................................. 28
Blockschaltplan – Netzteil/Digital .................................................. 32
Blockschaltplan – TV/VCR ............................................................ 33
Laufwerk ............................................... 5-1…5-5
Explosionszeichnung
und Ersatzteillisten ................................ 34…44