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

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Verstärkerplatte – RR 760 CD, Gleichrichterplatte, Kopfhörerplatte – RR 720 CD / RR 760 CD
Amplifier Board – RR 760 CD, Rectifier Board, Headphone Board – RR 720 CD / RR 760 CD
CPU BOARD
CN110
Page 3 - 5
FUNCTION BOARD
CN303
Page 3 - 17
IC202
TC9260P
PIN 1 0V
PIN 2 2V
PIN 3 2V
PIN 4 2V
PIN 5 2V
PIN 6 2V
PIN 7 0V
PIN 8 0V
PIN 9 0V
PIN 10 0V
PIN 11 2V
PIN 12 2V
PIN 13 2V
PIN 14 2V
PIN 15 2V
PIN 16 4.2V
PLAY
RECORD
PLAY
SWITCH
REC
REC
PLAY
REC
1.4V
(RECORD)
PLAY
RECORD
SWITCH
REC
1.2V
(RECORD)
PLAY
REC
3 - 12
RR 720 CD / RR 760 CD
0.65V
(MUTE)
0.65V
(MUTE)
PLAY
REC
4.9V
(RECORD)
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
PIN 7 0V PIN 14 6.3V 0V
0.7V
0.7V (RECORD)
(RECORD)
PLAY
REC
0.3V
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
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
Page 3 - 17
CD BOARD
CN703
Page 3 - 22
3 - 13
RR 720 CD / RR 760 CD
7.8V 13.2V
HEADPHONE
JACK SWITCH
0.6V 0.6V
CPU BOARD
CN101
Page 3 - 5
GRUNDIG Service