Grundig ST 55 - 750 Text Servicehandbuch Seite 43

CUC 7350
ZF-Verstärker / IF Amplifier 29504-162.57
+15V
CT2235 F2235
CC2239 CC2241
BF660 -705
CC2233
M
3,9p 3,9p
M
1n
M
M
M
M
CR2232
M CD2237 M CD2240 M CD2239
+15V
BB419 BB619 BB419
680
CC2237 CC2236 CC2240
M M M
0,1u 0,1u 0,1u
F2206
-731 3
11 STL
4
ZF
8 6 1 7
M M
12 STL
ZF
13 NF
STL
- M M
8 STL M
-
+15V
** NUR VORGESEHEN
IF REQUIRED
SOLO PREVISTO
PREVU
SOLAM. PREVISTO PARA +15V
CR2284
470k
+12V
IC2201
L2201
9 STL 1 3
+12V MC78M05 +5V +5V
15u
2
M M M
IC2202
6 CR2202 3 1
STL
+G
MC78L15 +15V
180
2
M M M M
3 STL
ENA
ZF
1 STL
SDA
2 STL
SCL
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
Servicearbeiten nach Bausteinwechsel: siehe Abgleich Seite 3-1 (4., 5.)
Servicing work after replacing the module: see alignment page 3-3 (4., 5.)
F2245
3
07202-708
CC2242
M CD2242 CD2243
4
BB619 BB419
2,7p
3 07202-705
F2240
4
M 8 6 1 7
M
+15V
8 6 1 7
M
M CD2244
BB419 CT2210
BC848 CT2225
CC2224
BC848 M
CR2222
CT2207
0,1u
BC848
47k
CC2243
M M CR2207
22k
0,1u C2222
M
8
+
M M
M
2,2u/100V
G3957
30
F2217
1
M 2 4 5
5 4
3
M 1
10 10
CC2225
2
F2218
1 1 K6262 4 4
2,7p
CR2212 27
M 2 2 5 5
4,7k
+15V
CR2216 3 3 8 8
M M +15V
47k
CR2213
15k
M
CT2216 M
BC858
CT2213
BC858
M M M
+15V +15V
CC2286 CC2291
M
0,1u 0,1u
20 20
6 15 15 6
CR2289
3 4 4 3
2 19 19 2
470k
CR2282
16 1 1 16
IC2280 IC2290
CR2287 CR2291
18 12 12 18
470k
MC144110DW MC144110DW
CR2283
17 8 8 17
10k 10k
CR2288
5 14 14 5
22k
CR2286
7 13 13 7 22k
22k
11 9 10 10 9 11
M M
CR2281
10k
CR2302
CR2301
220
220
CUC 7350
CC2274
1n
+15V
CC2248 CR2248
F2247
56p 100k
-715
M
CR2247
M
100k
CC2249
CR2249 CR2253
100k 470k
56p
31 32 20 7 24 25 11
CC2251 0,1u
M
0,1u CC2250
23
AGC VCO AFC
AM
10
22
PLL
21
CR2262
15
IC2230
12
680
TDA9815
13
TUNER-AGC FM
+12V
29 26 28 3 6 19 9 17 18 16 14
CC2254
M
2,7p
M M M
M
180k
+15V
CR2295
CC2252
M
CT2290
+15V
BC848
0,1u
CR2292 CR2297
M
22k 75k
M
M
CR2296
100k
CR2299
100k
+5V
8
VCC
5
SDA IC2210 7 CR2303
6 TEST
SCL X24C02
10k
A0 A1 A2 VSS
1 2 3 4
M M M
4 - 23 GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
F2267
+12V (5,3MHz)
CT2275
CC2271
M CR2268
1 3 BC858
220
0,1u
7 8
M M
CT2265
BC848C
CR2273
CC2263
M
1,1k/2%
39p CC2273
CR2272
+12V
1,1k/2%
68p
CR2266
M
+12V
**
M
BC858
CT2276
CR2275 BC848
1,1k/2%
CT2270
M
+12V
M
M
CR2318
47k
CC2261
M M
F2260
1n
-632
3
2
CC2266
4
1
270p
8 7 6
M M M
M
C2253
F
0,22u
4,7u/63V
M
CD2316
LS4148
+15V
M M
CT2295
BC858
CR2298
100k
CR2230
CT2230
BC848
10k
M
M M
ZF-VERSTAERKER 29504-162.57
IF AMPLIFIER
AMPLIFI. FI
AMPLIFICATORE FI
AMPLIFICADOR FI
INTER-
CARRIER
STL 14
CR2274 M
10k
CT2320
BC848
CR2321
47k
M M
U
AFC
4
STL
FBAS
STL 7
C2318
+
AUDIO
STL 15
U
+15V 10
STL
U
RV
STL 5
050795
4 - 24