Grundig SE 7230 DOLBY Service Manual page 10

Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
Signal-Baustein / Signal Module 29504 212 0300
M
8
1LOETF
STL
2 SCL CR32111
SCL
CLOCK
10k 3
1LOETF
STL
CIC32030
3 CR32112
SDA
SDA
DATA
10k 2
MC14094
1LOETF
STL BD
4 CR32113
ENA
ENA
STROBE
10k 1
15
CR32033
+UB
*
1LOETF
STL
9 M
+5V/T
1LOETF
STL
12
1LOETF
STL
13 0,1u
n.V. CC32028
220u/10V
(XX)
+
CR32023
C32027
CC32023
4,7n
+33V
10n CC32002 CC32026
5 4 3 6 7 9
11
TUNER
ZF
B2TU018
10
ZF
2 12 13 14 15 8 1
M
1LOETF
STL
6
M
1LOETF
STL
10
1LOETF
STL
L32008
11
+F +5V/T
15u
1LOETF
STL
1
+33V +33V
M
1LOETF
STL
L32001
+Q 14
+UB
15u
+B
M
1LOETF
STL
15
1LOETF
STL
5 AFC
U
AFC
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
13
TERR. PIP/SIGNAL-BAUSTEIN
+UB SIGNAL MODULE
MODULE SIGNAL
MODULO SEGNALE
MODULO DE SENAL
CT32055
BC848B
9 10
Q8 M
11
Q7
12
Q6
13
Q5
14
Q4
7
Q3
6
Q2
5
Q1
4
16 +UB
BC848B
CT32060
CR32061
M
47k
M
+UB
M
CT32070
BC848B
M
CT32075
BC848B
CR32076
47k
M
10
26
MFIX
OPTION F32041 F32050
1 4 27
(81405 313 5100) MFIY
6 3
2 5
2 5
G6262K
4 1
3 8
M M
7 8
CR32051
F32041
718
29
ZF 56k SIF1X
6 3
CR32052
F32052 30
SIF1Y
G3957M
CBR00005
2 5 M
CD32041 1
56k
SIF2X
0
2
BA592
4 1 SIF2Y
ZF
4
3
7 8 AMSIFX
M M
5
M AMSIFY
M
M
3
M M
GND1!
M
+UB
U CR32091
1k
M M M
+E1 +8.5V +F/3 +5V -G
+17.5V
+F +5V +G -G/1
+13V CUC 1931 STATUS
+17.5V
+F/1 +5V +G/1 -G/2
+13V CUC 1931 STATUS
+16.5V
+F/2 +5V +G/2 +H
+12V CUC 1931 STATUS
GRUNDIG Service
CUC 1832 / 1931 Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
29504 212 0300 BASIC 3
29504 212..... DIGI 100
*
212 0300
212 XXXX
81405 353 9100 +UB
F32085
M
+12V/IC
M
C32116
+
47u/63V
M
CC32112
0,1u
23 14 17 15 16 13 22
IC32110
TDA6930
VCC
21
2 TRAPOUT
2
CC32097
2
4,7n
CR32097
10
PDLOOP
VIDEO
P_AGC PLL APC
150
11
2 AFCOUT
AFC
2
8 M
2 2
MIX
FMDFOUT
CR32120
SOUND
33k
S_AGC V REF NORM
2
+12V/IC
AM_AGC AGC
AMSIFAGC
9 7 6 24 28 25 20 19 18 12
M
CR32110
M
6,8k
M
RV
M
M
M
-17.5V
+K +13V +Q +8.5V
-13V CUC 1931 STATUS
-17.5V
-K -13V +Q/1 +8.5V
-13V CUC 1931 STATUS
-17.5V
+M +16V +Q/2 +6.3V
-12V CUC 1931 STATUS
+5V
+5V +N +Q/3 +8.5V
+3.3V PAL/PLUS
14
+UB CR32033 CR32057 CR32062 CR32077 CR32092 CR32096 CR32116 CR32157 CR32158
+12V 1k 10k 10k 10k 56k 68k 15 10k 2,2k
+8,5V 390 5,6k 5,6k 5,6k 82k 39k 4,7 15k 2,7k
CT32130 CT32135 CT32140
BC848B BC848B BC848B
CR32221
+UB
100k
M M M
CC32213
68p
+UB
CC32171
M
0,1u
81411 113 6000
6 4 2
+UB +UB
3 1
81411 124 0500 7 8
CT32170 F32211
CR32162
6 4 3 F32151 BC848B M M
220
CR32156
2
CT32150
680
BC858B
M
7 1 8
CR32177
M M M M
820
CT32185
BC848B
M M
+Q/11 +6.3V
Bei den in den Schaltplänen angegebenen Messwerten handelt es
sich um Näherungswerte!
+OEKO +9.5V – +14V
The measured values given in the circuit diagrams are approximates!
CUC 1832 / 1931
M
CT32220
BC848B
CC32216
56p
CT32210
BC858B
+UB
1LOETF
STL
CT32180
FBAS 7
BC858B
FBAS
ZUM CHASSIS
TO CHASSIS
VERS CHASSIS
M
AL TELAIO
+UB
AL CHASIS
SEITE / PAGE 3-17
CT32190
BC848B
M
M
170100
GRUNDIG Service