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Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Subwoofer UMS 12-S
RCA
C1
R30
3
1
JK2
22K
10uF/16V
2
R2
47K
+ PHASE
25V~
AC 230V
25V~
TRAN
TRANSFORMER
C23 Q1 E
C21
R21
R22
C
B
R20
D9
M2
C22
R19
R23
R25
R24
8
R29
M1
R18
UMS SUBWOOFER PCB
11-00012-02
REV2. 23/7/1997
3 - 35
C2
10nF
R3
24K
10K
R5
+12V
2
8
R7
-
1
R26
U1
3
12K
+
BA4558
12K
R6
SW1
R4
1M
12K
- PHASE
4 x 1N5402
T1.6A L/250V
M5
4 x 10nF/100V
2200uF/35V
F1
M6
T1.6A L/250V
M7
F2
2200uF/35V
SW1
R30
SP
C1
J4
J13
R2
RCA1
J19
J21
J20
J14
R26
R9
R4
1
8
1
G
U2
U1
VR2
J8
VR1
R10
R16
LED
C8
R5
R17
J15
C2
C5
C17
R11
R7
R8
J16
R6
C6
UMS 11 ... UMS 12-S
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
56pF
C8
R9
R10
15K
10k
6
-
7
R8
U1
5
+
BA4558
4
12K
R11
-12V
1M
C6
C5
100nF
100nF
+12V
R16
180k
2
-
8
D9
1
U2
3
R17
+
1N4148
BA4558
1k
C21
R21
10uF/10V
51K
R29
R19
4.7M
820R
Q1
R18
2SC945
1.8K
R20
4.7M
+32V
C32
7812
0.33uF/35V
100uF/35V
1
3
U4
R27
2
100R
R28
1
100R
2
3
U5
0.33uF/35V
C33
7912
100uF/35V
-32V
R15
LM4700
D7
C16
U3
C17
J18
C36
C11
R14
R13
C13
D8
C35
R28
U6
D5
J11
C33
C27
J9
C34
D6
R27
C37
M7
C26
C32
U4
GRUNDIG Service
3 - 36
Digitized in Heiloo, Holland
C11
R13
R14
1K
33K
100uF/35V
C13
100nF
-32V
4
SP
R12
7
9
8
to Speaker
180R
11
3
U3
10
6
5
2
1
R15
CN1
LM4700
to Volume Board
4R7/2W
+32V
C16
100nF
C17
R24
100nF/50V
75K
C22
100nF
R23
5.6K
STBY
6
-
R25
7
U2
R22
5
560
+
BA4558
4
51K
-12V
+12V
Volume Board
VR1
LED1
100K
to CN1
-12V
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF
C43
FIRE, REPLACE ONLY WITH SAME TYPE FUSE AND RATING
ATTENTION: UTILISER UN FUSIBLE RECHANGER DE MEME TYPE
ET CALIBRE
T1.6A/250
C39
M4
C40
F1
F2
C41
M5
M6
M5
C42
30/7/2014
UMS 11 ... UMS 12-S
Für die tatsächliche Bauteilbestückung ist
das Schaltbild maßgebend!
The circuit diagram is relevant for the actual
component assembly!
GRUNDIG Service
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