Grundig RCD 1420 MP3, Service Document

Page: 5 / 14

RCD 1420 MP3
ǵ
14-Oct-2004
L-CH
GND
R-CH
GND
GND
R-CH
GND
L-CH
R-CH
GND
GND
L-CH
R-CH
L-CH
115
NOTE : RESISTOR IN OHM
CAPACITOR IN F
INDUCTOR IN H
UNLESS OTHER SPECIFY
VR-L
VR-R
R-OUT
L-OUT
GND
GND
V+
GND
POWER BOARD
RECTIFIER BOARD
AC SOCKET
R105
220K
R106
220K
R107
4K7
R108
4K7
R112
4K7
R113
100K
R114
100K
R117
1
R118
1
R121
2K2
R138
15K
R127
82OK
D301
1N4001
D303
1N4001
C301
20n 50V
C302
20n 50V
C304
20n 50V
+
C101
u47
+
C102
u47
C103
22n(M)
+
C105
u47
+
C106
u47
C104
22n(M)
+
C119
100u
C123
100n(M)
C124
100n(M)
C127
20n
+
C131
1u
D102
1N4148
D101
1N4148
Q101
9014C
Q102
9014C Q103
9014C
Q104
9014C
Q106
9014C
Q107
9014C
R202
180
SW1 SOCKET SW
R201
180
1
2
3
4
CN202B
1
2
3
4
CN202A
+
C120
100u
C303
20n 50V
D304
1N4001
D302
1N4001
1
2
3
CN104
R111
4K7
+
C111
u47
+
C112
u47
+
C121
1000u
+
C122
1000u
C113
1n
C114
1n
1
2
3
CN501
1
2
3
CN503
R115
150
R116
150
+ C128
2200u 16V
+
C126
100u 16V
T H E R M A L
F U S E
C
T1
SP202
8 OHM
SP201
8 OHM
+
C305
2200u 16V
R110
47K
3
2
11
10
1
12
P
R
E
GND
6
5
9
7
8
4
IC101
TA8227P
R406
3K9
C402 600p(M)
R405
3K9
C401 600p(M)
R401
39K
R109
47K
R402
39K
R404
10K
R403
10K
+
C135
22u
R120
33K
R119
33K
+
C125
100u
C129
100n
Q105
9012H
+
C130
100u
+
C117
100u
+
C118
100u
1
2
3
CN106
JK201
STEREO
JACK
BATT1
1.5X6=9V
C405
120n(M)
C406
120n(M)
C403
600p(M)
C404
600p(M)
R103
18K
R104
18K
+
C107
u47
+ C108
u47
1
2
3
4
CN105
1
2
3
4
CN502
1
2
3
SW401A
2P2TD
OFF
ON
4
5
6
SW401B
2P2TD
OFF
ON
+
C109
u47
+
C110
u47
R141
1K
R140
1K
R203
150
R204
150
R122
1K
2
3
4
1
SW101A
4P3TD
RA
OFF
CD
10
11
12
9
SW101C
4P3TD
RA
OFF
CD
R139
2K2
V+
7V
CONT
MUTE
GND
R
G
L
CD-R
GND
CD-L
1
2
3
CN201
1
2
3
CN107
R-CH
GND
L-CH
R-CH
GND
L-CH
PHONE BOARD
VOLUM E BOARD
Q109
2SB772Q
R137
1K
Q110
9014C
R136
82K
R135
18K
Q108
9014C
R133
390K
R134
22K
R132
6M8
+
C134
100u
+
C132
1u
C133
20n
D103
1N4148
R131
18K
R130
6K8
R129
330
R128
3K3
D106
1N4148
D104
1N4148
D105
1N4148
Q111
9015C
R142
1K
Q112
9014C
R143
220K
Q113
9014C
R144
680K 1%
R146
39K 1%
R145
6M8
+
C136
47u
C137
20n
14
15
16
13
SW101D
4P3TD
6
7
8
5
SW101B
4P3TD
RA
OFF
CD
5V6
CD+
RA-R
RA-L
1
2
3
CN103
1
2
3
CN603
+
C116
4u7
GND
RA+
MUTE
3V9
BATT2
1.5X2=3V
1
2
3
CN301
1
2
3
CN101
D108
1N4148 3V+
RADIO BOARD
FUNCTION SWITCH
1
3
2
VR401A
50KB
4
6
5
VR401B
50KB
1
2
3
4
CN604
7V
1
2
3
4
5
6
7
CN102
1
2
3
4
5
6
7
CN602
3V
CD+
D109
1N4148
R147
120
L1
5T
L1
5T
L2
4T
L2
4T
L2 4T
L3
4T L3
4T L3
4T
(DV3287B)
TP101
TP102
TP103
R149
33K 1%
R148
50K
C201
2n
C202
2n
R150
T100K
R151
12K