Verstärkerplatte - Rr 720 Cd, Gleichrichterplatte, Kopfhörerplatte - Rr 720 Cd / Rr 760 Cd - Grundig RR 720 CD Serviceanleitung

RR 720 CD / RR 760 CD
Verstärkerplatte – RR 720 CD, Gleichrichterplatte, Kopfhörerplatte – RR 720 CD / RR 760 CD
Amplifier Board – RR 720 CD, Rectifier Board, Headphone Board – RR 720 CD / RR 760 CD
FUNCTION BOARD
CN303
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PLAY
RECORD
SWITCH
REC
PLAY
REC
1.4V
(RECORD)
PLAY
RECORD
SWITCH
REC
1.2V
(RECORD)
PLAY
REC
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
0.65V
(MUTE)
0.65V
(MUTE)
PLAY
REC
4.9V
(RECORD)
PLAY
REC
2V
(RECORD)
PLAY
REC
IC401
AN7312
PIN 1 0V PIN 8 0V
PIN 2 0V PIN 9 1.3V
PIN 3 0V PIN 10 1.4V
PIN 4 3.2V PIN 11 3.2V
PIN 5 1.4V PIN 12 0V
PIN 6 1.3V PIN 13 6.3V
0V
PIN 7 0V PIN 14 6.3V
0.7V
(RECORD)
0.7V
(RECORD)
PLAY
REC
0.3V
RR 720 CD / RR 760 CD
13.2V
12.9V
IC201
TA8227P
PIN 1 12.9V
PIN 2 6.2V
PIN 3 12.6V
PIN 4 6.6V
PIN 5 0.6V
PIN 6 0V
PIN 7 0V
PIN 8 0.6V
PIN 9 6.6V
PIN 10 12.6V
PIN 11 6.2V
PIN 12 12.9V
4.2V
0V
1.8V
13.2V
13.2V
0V
0.7V
FUNCTION BOARD
CN305
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CD BOARD
CN703
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3 - 10 GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
7.8V 13.2V
HEADPHONE
JACK SWITCH
0.6V 0.6V
CPU BOARD
CN101
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