Grundig SE 7230 DOLBY Service Manual page 22

Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
STL 12
RESET
MSP
C40212
9 BR40139
STL
+
AUDIO-L
INT2
C40211
10 4,7u/63V
STL
+
AUDIO-R
INT2
C40213
STL 7 4,7u/63V
AUDIO-L +
INT1
C40214
8 4,7u/63V
STL
+
AUDIO-R
INT1
C40144
1 4,7u/63V
STL
+
AUDIO-R
IN
C40146
STL 2
+ 4,7u/63V
AUDIO-L
IN
4,7u/63V
PROZESSOR-PLATTE
PROCESSING BOARD
PLAQUE CALCULATEUR
PIASTRA CALCOLATORE
PLACA CALCOLADOR
SEITE / PAGE 20
STL 5 R40141
AM
2,2k
A
STL 4 R40142
INTERC
220
16
STL
+Q +Q
17
STL
+F +F
18 A
STL
IC40000
BR40000
2 1
+F MC33164
3
A
n.V. CR40012
xx
CIC40000
n.V.
8 7 6
2 1
MC33164D
n.V. 5 4 3
A
A
STL 11
U
MUTE
CR40086
STL 13
U
STAND
BY
0
n.V.
STL 3
39k
STL 6 A
+F
CR40064
CT40066
BC818-25
L40021
STL 20
-G/1
8104-982-014 -16V
-G
CC40001
19
STL A
A A A A
0,1u/50V
NUR BEI 204 0200/ 0600
ONLY WITH
SEUL. POUR
SOLO CON
SOLO CON
CC40003
STL 21 A
0,1u/50V
+G
L40041
22
STL
+G/1
8104-982-014 +16V
A A A A
37
CUC 1832 / 1931
Spannungstabelle
Table of Voltages
+1 +12V +4A +5V +B1 +12V
+2 +5V +5 +5V +C +200V
+3.3V PAL/PLUS
+3 +7 +12V +D +26V
+5V LFR
+4 +5V +B +12V +E +8.5V
L40111
+F
10u
ST-AUX1
4,7u/63V
220
AUDIO-R 1
VGA +
CR40137
C40136
2
4,7u/63V
A
220
AUDIO-L 3
VGA +
CR40132
C40131
CC40111
A A A
0,1u
CC40112
A
1n
44 14 15 18 19 37 38
CC40142
47
ANA_IN1+
49
1n
IC40110
ANA_IN2+
CC40143
48
SDIP52
ANA_IN-
A
10n
*
21 51 52 22 17 23 45 24 29 35 25
Q40212
A A
18,432MHz CC40172
A
CC40152
2,2n/5%
A
1n
CC40162
CC40182
A A A
A
1n
2,2n/5% +Q/2
CC40171
6,8n/5%
CT40171
BC858C
A
A A
1k
R40177
+G/1
C40082
+
A
1u/100V
CC40071
CR40082
A
15k
3 0,1u
5
7
4
A
CR40073
A
560
A CR40072
8
n.V. A
IC40070
560 5,6n
9
n.V.
TDA7265
A
n.V. CC40080 A
CR40077
10
560
CR40078
2 560 A
11
1 6
-G/1
A A A
A
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
+E1 +8.5V +F/3 +5V
+17.5V
+F +5V +G
+13V CUC 1931 STATUS
+17.5V
+F/1 +5V +G/1
+13V CUC 1931 STATUS
+16.5V
+F/2 +5V +G/2
+12V CUC 1931 STATUS
CC40147
R40139 A
1n
270
CC40148
A
1n
CR40211
A
A A +Q/1 A 1n
100k A
CC40139 470u/10V
A CR40212
CC40207
+
A A
47n C40126 100k
1n
A
CC40208
CC40121 CC40123 CC40127
A A A
A
1n 1n 0,1u
6 16 5 20 32 34 33 46 41 42
30
SC1_OUT_R
31
SC1_OUT_L
39
SC2_IN_L
40
SC2_IN_R
27
SC2_OUT_R
28
SC2_OUT_L
36 26 50 1 43 4 3 7 8 9 10 11 12 13 2
A
180
180
CR40203
A A
10k
CR40202
R40087
R40204
A
A R40206 100
+Q/2
0,1u/5%
A 100
CC40020
+Q/2
CC40181
6,8n/5%
CT40191
CT40181
BC858C
BC858C
A A
A A
A
CR40187
n.V.
CR40178
1k
XX
+G/1
n.V.
A CR40198
A
CC40091
100k
R40197
0,1u
3
1k
5
ST-LSL
7
2
1
A
IC40090
9
TDA7265
A A
A
ST-LSR
11
2
A
1
1 6
A
A A
38
-17.5V
-G +K +13V +Q +8.5V
-13V CUC 1931 STATUS
-17.5V
-G/1 -K -13V +Q/1 +8.5V
-13V CUC 1931 STATUS
-17.5V
-G/2 +M +16V +Q/2 +6.3V
-12V CUC 1931 STATUS
+5V
+H +5V +N +Q/3 +8.5V
+3.3V PAL/PLUS
1u
R40262 A
+G/2
+
10k
C40262
16
IC40250
A HEF4053
12
A 14
C40256
13 11
+
A 2
4,7u/63V
15 A
A 1 10
A
5
4
A
C40266
3 9
+
4,7u/63V
6 7 8
A
A
3,9k
-G/2 10k
A
R40261
CR40264
A
A C40224
CR40223
+
CR40226 C40227
220
+ 4,7u/63V
220
4,7u/63V
A A
CL40204
CL40205
* IC40110 CR40112 CR40113
204 0100 MSP3401G 0
204 0200 MSP3401G
204 0400 MSP3411G 0
204 0600 MSP3411G
NUR BEI 204 0200
ONLY WITH
SEUL. POUR
SOLO CON
SOLO CON
A
4
CR40092
8
A
560
5,6n
CR40097
10
A
560
CC40097
A ST-TT
2
2
1
KUEHLBLECH
AENDERUNGEN VORBEHALTEN
-G/1 A
SUBJECT TO ALTERNATE
SOURS RESERVE DE MODIFIC
CON RISERVA DI MODIFICA
RESERV. EL DEREC. DE MODIFIC.
A
CUC 1832 / 1931
+Q/11 +6.3V
+OEKO +9.5V – +14V
A
A
ST-I2S1
A
6
RESET
5 MSP
I2S
4 SAT
FM
3
I2S
2
CL
I2S
1 WS
15
STL
SDA
STL 14
SCL
C
C
220
R40222
4
220
R40221
4
C
CC40070
A
0,1u/50V
GRUNDIG Service