GRUNDIG Service
FREAXX 50 RRCD 4305 SPCD
3 - 12
Display-Platte, MCU-Platte, Tasten-Platten
Display PCB, MCU PCB, Key PCBs
REMOTE B+
BACK LIGHT
12V A
T
A
C
BACK-UP 3V
SYS POWER ON
POWN DOWN
MAIN 9V
CD ON
TUNER ON
SYNC REC
SUR SW
REG 7V
EQ
ST
AND BY
TUN+
TUN-
BAND
PR
OGRAM
B-SKIP
F-SKIP
REPEA
T
STOP
PLAY
STAND BY
STAND BY
BACKLIGHT
ADKE
Y2
MUTE
GND
SURROUND
R117
22K
Q102
9014C
C108
470u
C107
20n
C109
10u
C102
100u
R801
150
R802
330
R803
390
R804
390
R805
560
R806
680
R807
750
R808
820
R809
1K2
R810
1K5
R905
560
LED801
RED
D101
1N4148
K802
T-SW
K803
T-SW
K804
T-SW
K805
T-
S
W
K806
T-SW
K807
T-SW
K808
T-
S
W
K809
T-SW
K810
T-SW
K905
T-SW
K904
T-SW
Q101
8550/C
Q103
9014C
1
2
CN904
R906
680
1
2
CN903
1
2
CN902
R132
47K
C106
22u
Q106
9014C
R119
47K
1
2
CN108
C126
10n
D107
5V1
R171
6M8
L103
10uH
R112
330
Q104
8050C
R101
680K
R102
120K
R108
820K
R106
510K1%
C105
20n
R811
82
R105
2K7
L108
10uH
R151
390
R152
22K
Q110
9015C
LED802
GREEN
LED803
GREEN
R120
100K
D109
1N4148
R110
150
D103
1N4148
R118
22K
R174
120K
Q105
9015C
R111
2K2
L102
100uH
R815
1K
R814
1K
RMC OUT
1
GND
2
VC
C
3
RM801
TSOP1838
R155
4M7
D102
1N5817
R107
62K1%
R150
82
L101
100uH
R114
680K
R154
100
D108
1N4148
R153
5K1
C129
1n
R156
820K
R157 22K
R158
22K R159
22K
R160
22K
1
2
3
4
5
6
CN109
R161
22K
R162
10K
4
5
6
7
8
CN106B
MP3 +5V
MP3 POW
ACK
DAC SEL
DATA
STB
C103
20n
C101 20n
C128
20n
1
2
3
CN106A
1
2
3
CN802A
REMO
TE
JP108
JP
JP101
JP
JP110
JP
JP120
JP
JP122
JP
JP124
JP
JP123JP
JP118
JP
JP803
JP
R163
1M
R164
1M
R166 100K
R167 100K
JP109
JP
JP126
JP
JP125JP
C115
47u
25
26
27
CN107
25
26
27
CN801
R168
5K1
R169
12K
SW901
DOOR LEAF SW
K801
T-
S
W
R813
1K
4
5
6
7
8
CN802B
Q111
9014/C
R175
8K2
R172
330K
R173
390K
D104
1N4148
R115
1K8
D105
1N4148
Q112
9014/C
1
2
3
4
5
6
7
8
9
10
11
12
CN101
R812
4K7
DISPLAY BACKLIGHT
R170
2M7
JP119
JP
JP104
