GRUNDIG Service
GRUNDIG Service
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
M 49-DPL
M 49-DPL
16
22
15
20
17
7
6
STK400-090
12345678
13
STK400-090
STK400-090
11
4
5
12
18
14
3
5
7
4
19
21
10
9
8
1
2
13
14
15
9
10
12
STK4028
1/3
1/3
1/3
IC202
IC202
IC202
C-CH
R-CH
L-CH
S-CH
SCH1
SGND1
CCH1
CGND1
LCH1
LGND1
RCH1
RGND1
+V1
G1
-V1
AC
-V2
G2
+V2
SCH2
SGND2
CCH2
CGMD2
RL-
RL+
RCH2
RGND2
LCH2
LGND2
CE219
100U/10V
R214
56K
CE217
10U/50V
CE223
2.2U/50
C209
102(M)
R220
33K
R221
100(1/4W)
R219
1k
CE216
100U/50V
R223
100(1/4W)
R231
4.7/(1/2W)
R230
4.7(1/2W)
R211
100(1/4W)
CE214
100U/50V
C207
102(M)
CE220
2.2U/50
R215
33K
R226
56K
CE218
100U/10V
R225
680
R224
56K
CE221
100U/10V
R218
33K
C208
102(M)
CE222
2.2U/50V
R217
1k
Q201
2SC3330
Q202
2SA1317
CE227 220U/50V
R234
22K
R233
100K
CE226
47U/50V
R232
4.7(1/2W)
C212
104(M)
R238
22K
C214
0.022U
C213
0.022U
CE228
33U/50V
R237
56K
R236
10K
CE231
4.7U/50V
CE225
4700U/63V
CE224
4700U/63V
D206
IN4148
D205
IN4148
C210
104(M)
C211
104(M)
AC OFF
GND
VCC
MUTE
RELAY
RESET
OUTPUT OFFSET
OVER LOAD
IC203
UPC1237HA
CE215
100U/50V
R235 10K
CE208
3300U/50V
CE209
3300U/50V
R208
33K
CE207
2.2U/50V
C205
102(M)
R210
4.7(1/2W)
C206
104(M)
R227
0.22(2W)
R207
1k
R239
22K
IC201
R201
100(1/4W)
CE201
100U/50V
R204
680
CE206
100U/10V
C202
1000P
C201
100P
C203
100P
R205
56K
R202
100(1/4W)
(FUSIBLE)
CE202
1U/50V
D204
IN4148
R209
0.5(2W)
Q203
2SC3330
R248
100K
CE230
47U/50V
R206
20K
CE203
10U /50V
R203
10K
D202
IN4148
D208
IN4148
CE204
10U/50V
CE205
100U/50V
S201
TO H312
MAIN BOARD
PAGE 3 - 14
R213
560
R216
1k
R212
560
R222
100(1/4W)
R229
0.22(2W)
R228
0.22(2W)
CE211
10U/50V
R241
56K
R243
56K
R242
56K
CE210
100U/50V
CE212
10U/50V
CE213
10U/50V
R247
22K
R244
1.8K
R245
100K
CE229
220U/50V
R13
56K
R249
22K
D207
IN4148
R246
100
TO H101 / H102
MAINS UNIT BOARD
PAGE 3 - 4
TO CN313
MAIN BOARD
PAGE 3 - 14
(FUSIBLE)
(FUSIBLE)
(FUSIBLE)
(FUSIBLE)
(FUSIBLE)
(FUSIBLE)
(FUSIBLE)
(FUSIBLE)
(FUSIBLE)
(FUSIBLE)
NF rechts / AF right
NF links / AF left
Surround, Center
IC BLOCK DIAGRAM
PAGE 3 - 32
IC BLOCK DIAGRAM
PAGE 3 - 31
IC BLOCK DIAGRAM
PAGE 3 - 31
IC203
UPC1237HA
PIN 1
0V
PIN 2
0.2V
PIN 3
0.8V
PIN 4
2V
PIN 5
0V
PIN 6
0.76V
PIN 7
2.2V
PIN 8
3.3V
IC201
STK4028
PIN 1
-0.1V
PIN 2
-0.1V
PIN 3
0V
PIN 4
-30V
PIN 5
-31.3V
PIN 6
-0.6V
PIN 7
1.2V
PIN 8
0V
PIN 9
-1.2V
PIN10
-1.1V
PIN 11
0V
PIN 12
-32.1V
PIN 13
0V
PIN 14
32V
PIN 15
31.2V
PIN 1
-36.7V
PIN 12
-39.8V
PIN 2
-36.6V
PIN 13
-38.9V
PIN 3
-37.2V
PIN 14
39.2V
PIN 4
0V
PIN 15
40.4V
PIN 5
0V
PIN 16
-40.3V
PIN 6
0V
PIN 17
-40.5V
PIN 7
0V
PIN 18
40.3V
PIN 8
0V
PIN 19
-40.4V
PIN 9
0V
PIN 20
0V
PIN10
0V
PIN 21
0V
PIN 11
39.8V
PIN 22
0V
IC202
STK400-090
TRANSISTOR
Ref. No.
E
B
C
Q201
-33.6V
-32.9V
31.7V
2SC3330
Q202
35.2V
35.1V
0V
2SA1317
Q203
-36V
-36V
34.5V
2SC3330
Schaltplan – Verstärkerplatte / Circuit Diagram – Amplifier Board
3 - 20
3 - 21