Audio - Grundig UMS 1 Serviceanleitung

Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
Schaltbild / Circuit Diagram

Audio

TO IC105
FR-IC101-C120
C120 10U
+
BUFHO2
BUFHI2
+3.6V
C119
TONEH2 +1.7V
+
10U
BUFLO2
C117
BUFLI2
10U
TONEL2
+1.7V
+
C
BBI2
U22
C116
BBO2 +2V
1U
+
C BBI2 +1.8V
6K8
C115
BASNF2
R113
C
BASIN2
+3.5V
47N 2K2
4N7
C112 R112
TREIN2 +3.5V
C110 C
C C C113
C111
MIDNF2
U1 U1
10K
10K MIDIN2 +3.6V
4K7
R111
R110
REF2 +3.6V
R109
+
VCAO2
10U
GND2
+
C108
IC105
4052BD
IC105-P1
1
YOB
IC105-P2
2
Y2B
3 ZB
IC105-P4 4
Y3B
IC105-P5
5 Y1B
6 EN
7
VEE
8
+12V GND
R131
4K7
R144C 470K
R244C 470K
R144B 470K
R244E 470K
R144E 470K
R244D 470K
R144A 470K
R244B 470K
R144D 470K
R244A 470K
CN117 TC1A
TO AUX SOCKET BD TO TUNER BD
TC117A CN1A
PAGE 3-4 PAGE 3-13
3 - 3
TO CONTROL/CD BOARD
FC606
PAGE 3-14
FC606
+9V
FR-IC101-C120
FR-IC101-C220
C220
10U
FR-IC101-C220
+3.5V BUFHO1
+
+3.5V BUFHI1
C219
+
+1.8V TONEH1
10U
BUFLO1
C217
BUFLI1
10U
+
+1.8V TONEL1
U22
C
BBI1
IC101
C216
BBO1
+2.6V
C215
C
M62413FP
+1.8V BBI1
+
6K8
1U
BASNF1
R213
C
BASIN1
2K2
4N7
R212
TREIN1
C
C C
C213
MIDNF1
U1 C211
10K
+3.6V MIDIN1
4K7
R210
+3.6V REF1
R209
VCAO1
+
+3.6V
10U
GND
+
C208
+12V
16
VDD
IC105-P15
Y2A 15
IC105-P14
Y1A 14
13 C218 10U
ZA
+
IC105-P12
YOA 12
C118 10U
+
IC105-P11
Y3A 11
IC101-P32
10
A
TO IC101
IC101-P31
B 9
TC102 TC506
TO CASSETTE BOARD TO CONTROL/CD BOARD
CN102 CN506
PAGE 3-21 PAGE 3-15
UMS 1 / UMS 2 Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
TO CONTROL/CD BOARD
CN605
PAGE 3-14
TC605
R118
100K
R218 IC102
100K FR-IC101-C220
XR1093
FR-IC101-C120
BC338-25
C221
C222 R223
1N
U1 +5V
12K
T102
BC338-25
R123
T203
12K
BC338-25
STDBY
R128
4K7
R125
+12V
4K7
C131
+
47U
R225
4K7
R-FR-VOL 3
FIL1
1
AC 4V
2
FIL2
2
L-FR-VOL 1
-VEE
3
+5V
4
T403
BC640
5 -5.6V
-5V
+5V
C404
220U/50V
R-TO-VOL
3
2
C405
1
L-TO-VOL 47U/16V
1
+5V
2
R231
3
4.7
4
IC402
3
7812
OUT
+12V
GND
C412
U1
2
IC401
+5V 3
7805
OUT
GND
C414
U1
2
IC404
+9V 3
OUT 7809
GND
C462
U1
2
STDBY
6
5
+5.6V
HP-IN R228 T402
4 10K BC548B
PWR_DOWN
+5V
3
+5V
2
1
GRUNDIG Service 3 - 4
R219
STDBY
10K
C126
U1
+4.8V
7 13 3
C224
+0.8V +6.8V (UMS1), +7.8V (UMS2)
+
4 1
4.7U
5
+6.8V (UMS1), +7.8V (UMS2)
2
C124 IC103
+ +0.8V
12
TDA7370
+6.8V (UMS1), +7.8V (UMS2)
4.7U
11 15
+6.8V (UMS1), +7.8V (UMS2)
T202
14
+0.8V +0.8V
6
8V 8 9 10
+0.8V
R220 R221
+6V
8V 27K
3.3K
C228
IC104
2
-
47U
C229
R222
1
+ 4
+6V
22
+6V 1/2
3 47U
+
3
NJM4556
R120 R121 2
+6V
27K
3.3K 1
C128
R224 IC104
6
47U -
C129
R122
220K
7
+
+6V
R124 22
1/2
+6V 5 47U
+
220K NJM4556
4 8
+12V
(-36V) -37V
1N4002
T401
1N4002
BC640
-35V
C401
220U/50V
1N4002
1N4002
+14.4V (UMS1)
+16V (UMS2)
POWER AMP.
22n
22n
BR10
C402 D407
22n
U1 22n
C417 C416 C403
10000U/25V
1N4002 1N4002
1 +18V
IN
C408 C406
U1 U1
C411
U1
C407
U1
C409
U1 1N4002 1N4002
1
IN
1
IN
R405
AUX SOCKET BOARD
47K
R404
C415
U47 18K
R
1
C261
100p
IN1
AUX
2
C161
100p
ST-BY
L
3
IN2
IN3
IN4
UMS 1 / UMS 2
+14.4V (UMS1)
+16V (UMS2)
JK112
R
JK112
L
HEADPHONE BOARD
4
3
2 2
1
3
1
JK113
NO:S01-120 DEGREE C.
THERMIK GERAETEBAU
JK 114
F401
T5A
T5AL
F402
T1.25A
AC230V
50/60Hz
115DEG.C
1 3 1 1
4 2
2 2
VCC VCC
13 3 A1
1
+
OUT1
-
4
A2 INV
7
+ 2
OUT2
-
5
A3
15
+
OUT3
-
12
A4 INV
IC103
14
+
OUT4
TDA7370 -
11 10 CLIP DET
6 8 9
SUR PW-GND S-GND
GRUNDIG Service