GRUNDIG Service
UMS 3000
3 - 3
Netzteil und Audio-Teil / Power Supply and Audio Section
L-CH
R-CH
Q210
9014C
R230
100K
D204
1N4148
R232
120K
R231
6K8
R233
39K
R23
33K
R208
10K
Q202
9014C
R207
6K8
R203
6K8
+
C214
10u
R204
10K
Q201
9014C
+
C240
1u
+
C250
1u
R2
Q205
8550C
+
C213
1u
NC
15
L1
14
L2
13
L3
12
L4
11
LSELO
10
LIN
9
LTRE
8
LBASS1
7
LBASS2
6
LOUT
5
TEST1
4
GND
3
CE
2
DI
1
CL
30
VDD
29
VREF
28
NC
27
ROUT
26
RBASS2
25
RBASS1
24
RTRE
23
RIN
22
RSELO
21
R4
20
R3
19
R2
18
R1
17
NC
16
IC202
LC75342
1
2
3
4
5
6
7
8
CN204
R-REC
GND
L-REC
GND
R-CH
L-CH
SYNC REC
9V5
C246
1u
C256
1u
C244
1u
C254
1u
SYNC REC
AUDIO PW.
12V
GND
SYS. PW.
VOL CE
VOL DI
VOL CLK
1
2
3
4
5
CN203
1
2
3
4
CN202
C247
1u
C248
1u
C258
1u
C257
1u
TO CN402 TAPE PCB
TO C
P.3-7
P.3-16
N703 CD PCB
TO CN501 RADIO PCB P.3-13
TO CN101 MCU PCB P.3-9
C242
100n(M)
C241
100n(M)
C252
100n(M)
C251
100n(M)
C253
2n7(M)
C243
2n7(M)
R244
3K9
R245
3K9
C260
22u
C261
100u
R240
150
R241
47K
R242
47K
R243
47K
Q203
8550C
R227
2K2
Q204
9014C
R225
68K
R226
220K
A MUTE
R206
22K
R202
22K
C212
100P
PW. A
SYSTEM POWER SWITCH
9V5
R-CH
GND
L-CH
9V5
PW GND
L-CH
SIG.GND
R-CH
C245
1u
C255
1u
FUNCTION & AUDI O CONTROL SECTION
R228
150 1W
R252
8K2
R253
8K2
R254
6K8
R255
6K8
R257
18K
R256
18K
RESET
MUTING SECTION
K201
RESET
1
2
3
4
5
6
7
8
9
10
11
CN201
BACK UP
3V
1
2
CN208
2
1
BACK UP
3V
Q211
9014C
R258
220K
C262
47u
C217
100n
C218
100n
