Grundig CUC 1838 Service Manual page 19

DIGI 100
CD70306
V10 LS4148 +F/B2
V10 22k/1%
CR70306
n.v. CT70306
L70301 M n.v.
10u/16V
CC70305
+
C70301
CC70301
V10
33n
CC70302
1n/COG
52 51 17 16 15
61
Y7
60
Y6
59
Y5
58
Y4
57
Y3
56
Y2
55
Y1
54
Y0
50
C7
49
C6
48
C5
47
C4
CIC70300
46
C3
45
DDP3310
C2
44
C1
43
C0
+N/B3 4
FIFORRD
5
FIFORD
6
FIFOWR
7
FIFORWR
62
+F/B3
LLC1
BLN2 63
HS
1SB
00
1
53
LLC2
39
RESQ
64
VS
40
PWM1
M
3
VS2
67 68 11 41 10 9 20 19 21 8 14 13 12 42 65
M M V10
M
n.V.
+F/B2
V10
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
CT70305
BC857B
CD70305
LS4148 +Q/B2
CT70412
+Q/B1
BC848B
CR70413
+F/B2
100p
100
CT70410
BC848B
V10 V10
CT70415
BC858B
CR70301 CR70310 110 110
1k V10 CR70419
0 CR70417
V10
CR70410
24
ROUT
47
CR70420
CT70422
25 CR70423
GOUT
CT70420 BC848B
47
BC848B
100
CR70430
+F/B2
26
BOUT
47
23
SVM
110
CR70302
CR70427 CR70429
10k/1% V10 V10
22
XREF
CR70316
29
VRD/BCS 3,3k
+F/B2 CR70433
100
CC70430
V10
CT70430
BC848B
V10
22n
18
GNDM
+F/B2
110
+F/B1
CR70437
28 V10
VSUPO
+F/B2
L70320
27
GNDO
V10
V10 V10
1
VSUPP +F/B3
CT70465
BC858B
2
GNDP
C70331
M
1k
37 F
BIN2
C70332
CR70338
0,1u F
36
GIN2
C70333
1k
35 F 0,1u
RIN2
CR70336
0,1u
34
FBLIN2
C70334
620
33 F
BIN1
C70335
0,1u CR70334
32 F
GIN1
C70336
620
F 0,1u
31
RIN1
CR70332
30 0,1u
FBLIN1
5MHz 66 38
Q70320
M
M M
CT70470
BC848B
2,2k CR70470
+F/B3
CR70474 100
CC70476
+Q/B2
0,1u 8
6
- 7
5
V10 +
CIC70475
LM358
3
+ 1
22k
2
-
CR70476
4
V10
V10
V10
DIGI 100
L70402
FEATURE MODUL
01 TXD
+Q/B2
02 SCL
03 RXD
04 SDA
V10 V10 05 U_EURO AV1
06 U_EURO AV2
41 07 MEGALOGIC
DF
+Q/B2
S3
08 ENA_SAT
09 U_DATA(FBL)
10 R
CC70428
11 G
M
100p
12 B
CT70425 13 GND(VIDEO)
BC858B
14 VIDEO PIP
15 CHROMA PIP
110
16 CHROMA
+Q/B2
17 VIDEO
18 GND(VIDEO)
19 GND(AUDIO)
CC70438 20
CT70432 21 AUDIO-R VGA
BC848B 100p
22 AUDIO-L VGA
B
9
CT70435 23 U_DVB
BC858B 8
V10
24 U_RGB
G
7
25 U_DATA 2
6
110
V10
26 U_LAUF
R
5
CR70439
27 U_RESET_MSP
SW
4
CC70460 28 DiSEqC
VBL1
3
29 HOR_2FH
V10
0,1u 2
V10
30 HOR_FH
GM
1
31 OWA
32 VG
33 +VERT
34 -VERT
CC70464
CR70464
35 GND(ABL)
100
10n
36 GND(ABL)
1k
37 SS
CR70337
38 I_BEAM
1k
39 TRAP
CR70335
40 ROT
620
41 DF
CR70333
42 U_MUTE
1k
43 +8V(+Q)
V10
CR70331
44
CR70315
39
TRAP 45 +5V(+F)
S3
10k
46 +5V(+F)
47 +3,3V(+N)
M 48 +3,3V(+N)
CR70314
40
ROT
49 +3,3V(+H)
10k S3
50 +OEKO ca.12V
CC70471
M 51 GND(NT)
1n M
52 GND(NT)
CR70471 CR70472
53 GND(NT)
+Q/B1
150 150 54 U_STAND_BY
L70473
55 U_COPY_MODE
29
HOR.ZFH
PERLE S3 56 IR
57 KB
58 LED gruen
M
59 LED rot
V10 60 U_IDENT
61 U_ENTMAG
62 POWER OFF
63 BUS/BUSY
R70477
31
OWA
CC70477
100 S3
M
10n
CC70480
R70480 M
10n 33
VERT+
100 CC70481 S3
M
R70481
10n 34
VERT-
100 S3
290601
27 GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
C
C
BCX BC848
51-16 849
B C E B E
IC VON OBEN
IC TOP VIEW
IC VUES DE DESSOUS
IC VEDUTO DA SOPRA
IC VISTO DESDE ARRIBA
24 1
25
80
CIC70200
VPC323XD
40 65
41 64
64 49
48
1
CIC70250
SDA9400
16 33
17 32
9 1 68 61
10 60
CIC70300
DDP3310
26 44
27 43
64 33
65 32
CIC80000
SDA6000
96 1
97 128
28