Grundig DIGI 100 Service Manual page 50

Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
CD70306
+F/B2
V10 LS4148 CT70305
BC857B
V10 22k/1% CD70305
CR70306 LS4148
n.v. CT70306
M
L70301 n.v.
10u/16V
CC70305
+
C70301
CC70301
V10
33n V10
CC70302
CR70301 CR70310
1n/COG
0
52 51 17 16 15
61
Y7
60
Y6 ROUT
59
Y5
58
Y4 GOUT
57
Y3
BOUT
56
Y2
55
Y1
SVM
54
Y0
50
C7 XREF
49
C6
48
C5 VRD/BCS
47
C4
CIC70300
46
C3
45 DDP3310
C2
44
C1 GNDM
43
C0
4
FIFORRD VSUPO
5
FIFORD
6
FIFOWR GNDO
7
FIFORWR
VSUPP
GNDP
62
+F/B3 LLC1 BIN2
GIN2
63
HS RIN2
FBLIN2
BIN1
53
LLC2
GIN1
39
RESQ
RIN1
64
VS
FBLIN1
40
PWM1
3
VS2
5MHz
67 68 11 41 10 9 20 19 21 8 14 13 12 42 65 66 38
V10
Q70320
M
M M M
n.V.
+F/B2
V10
V10
69
+Q/B2
L70402
CT70412
+Q/B1
BC848B
CR70413
+F/B2
100p
100
CT70410
BC848B
V10
CT70415
V10
BC858B
110 110
1k V10 CR70419
CR70417
V10
CR70410
24
47
CC70428
CR70420
CT70422
25
CR70423
CT70420 BC848B
47 100p
BC848B
100
CR70430
26 +F/B2 CT70425
BC858B
47
23
110 110
CR70302
+Q/B2
CR70427 CR70429
10k/1% V10 V10
22
CR70316
29
3,3k
CC70438
CR70433
+F/B2 CT70432
BC848B 100p
100
CC70430
V10
CT70430 CT70435
BC848B BC858B
V10
22n
18
+F/B2
110 110
+F/B1
CR70437 CR70439
V10
28
CC70460
L70320 +F/B2
V10
0,1u
27
V10
V10 V10
1
+F/B3
CT70465
BC858B
CC70464
CR70464
2
10n 100
C70331
M
1k
F
37
C70332
1k
0,1u CR70338
36 F
C70333
1k
CR70337
35 F 0,1u
1k
CR70336
34 0,1u
C70334
620 CR70335
F
33
C70335
CR70334 620
0,1u
32 F
C70336
620
CR70333
31 F 0,1u
1k
CR70332
30 0,1u
V10
CR70331
CR70315
CR70314
CC70471
M
1n
CT70470 CR70471 CR70472
BC848B
2,2k CR70470
+F/B3 150 150
L70473
CR70474 100
PERLE
CC70476
+Q/B2
0,1u
8
M
6
- 7
V10
5
V10 +
CIC70475
LM358
3
+ 1 R70477
22k
2
- 100
CR70476
4
V10
V10 R70480
100
R70481
100
GRUNDIG Service
DIGI 100 Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
FEATURE MODUL
01 TXD
+Q/B2
IC VON OBEN
02 SCL IC TOP VIEW
IC VUES DE DESSOUS
03 RXD IC VEDUTO DA SOPRA
IC VISTO DESDE ARRIBA
04 SDA
V10 05 U_EURO AV1
06 U_EURO AV2
41 07 MEGALOGIC
DF 25
+Q/B2 S3
08 ENA_SAT
09 U_DATA(FBL)
10 R
11 G
M
12 B
13 GND(VIDEO)
40
14 VIDEO PIP
15 CHROMA PIP
16 CHROMA
17 VIDEO
18 GND(VIDEO)
19 GND(AUDIO)
1
20
21 AUDIO-R VGA
22 AUDIO-L VGA
B
9
23 U_DVB
8
V10
24 U_RGB
G
7
25 U_DATA 2
6
V10
26 U_LAUF
R
5
27 U_RESET_MSP 16
SW
4
28 DiSEqC
VBL1
3
29 HOR_2FH
2
V10
30 HOR_FH
GM
1
31 OWA
10
32 VG
33 +VERT
34 -VERT
35 GND(ABL)
36 GND(ABL)
37 SS
38 I_BEAM
39 TRAP
40 ROT
41 DF
26
42 U_MUTE
43 +8V(+Q)
44
39
TRAP
45 +5V(+F)
S3
10k
46 +5V(+F) 65
47 +3,3V(+N)
M 48 +3,3V(+N)
40
ROT
49 +3,3V(+H)
S3
10k
50 +OEKO ca.12V
51 GND(NT)
M
52 GND(NT)
53 GND(NT)
+Q/B1
54 U_STAND_BY
55 U_COPY_MODE
29
96
HOR.ZFH
S3 56 IR
57 KB
58 LED gruen
59 LED rot
60 U_IDENT
61 U_ENTMAG
62 POWER OFF
63 BUS/BUSY
31
OWA
CC70477
S3
M
10n
CC70480
M
10n 33
VERT+
CC70481 S3
M
10n 34
VERT-
S3
300102
70
C
C
BCX BC848
51-16
849
E
B C E B
24 1
80
CIC70200
VPC323XD
65
41 64
64 49
48
CIC70250
SDA9400
33
17 32
9 1 68 61
60
CIC70300
DDP3310
44
27 43
64 33
32
CIC80000
SDA6000
1
97 128
Bei den in den Schaltplänen angegebenen Messwerten handelt es
sich um Näherungswerte!
The measured values given in the circuit diagrams are approximates!
DIGI 100
Spannungstabelle
Table of Voltages
+80V +80V
+C +200V
+D +29V
+F +5V
+14,7V +14.7V
-14,7V -14.7V
+G +17V
+M +16.5V
+H + 3.3V
+K +13.6V
+16V/TOS-Real Flat-CRT
+K
/Thomson-CRT
-K -13.6V
-16V/TOS-Real Flat-CRT
-K
/Thomson-CRT
+N +3.3V
+Q +8.5V
+OEKO +13.5V
GRUNDIG Service