Inhaltsverzeichnis
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Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Blockschaltplan (Analog) / Block Circuit Diagram (Analog)
INPUT/OUTPUT (IO)
S-IN
C
Y
3/1514
1/1514
CVS FRONT
EURO-AV2
(DECODER)
Y
DC
5/1514
20
SC2 in
19
1 5
3
CCVS
17
16
RGB
IN
16
YC
IN
15
R_SC2 CHROMA
CVBS I/O
14
17
13
12
11
G_SC2
10
14
9
8
B_SC2
7
6
AV2in L
11
3
AV2out L
2
AV2in R
1
AV2out R
CH FRONT
S-OUT
Y
C
10
5
3
1
16-9out
(DC OFFSET)
15
16:9 (+5V)
C
2
4
7
2
13
14
IIC BUS
SCL-A
SDA-A
FRONT END (FE)
3/1524
2/1524
NICAM
NIC-CARR
3/1525
DECODER
7800
20
1138
2
5.74MHz
1
22
FM2
DEMOD
SECAM
18
FM1
1134
DEMOD
28
5.5/6MHz
27
AM
DEMOD
PAL
25
7 MHz
RF-BOOSTER/
1
3
MODULATOR
TUNER
1148
VIDEO
AUDIO
CLAMP
MOD
AERIAL
IN
AERIAL
G
MOD
OUT
U
PLL
CHANNEL
ADJUST
14 13
1152
SDA-A
MOD
IIC BUS
RECORD VIDEO/YC
RECORD AUDIO
PLAYBACK VIDEO/YC
4 - 8
7400
TXT INSERT
7346
CINCH
11
CVS OS
FRONT
(DC II)
14
CCVS OS
6
8
7380
6
20
CVS
18
2
SCL-A
4
SDA-A
7408
7410
13
16
1
6
CCVS TR
15
7670
SECAM
9
CVBS
10
8
PAL
TRANSCODER (SP)
U
V
R
3
G
Y
17
B
C
7640
7415
8
SYN
6
7410
10
11
5
3
5
14
1
7390
11
13
TXT INSERT
14
16
R
R
CHROMA
17
G
G
18
B
B
6 8
20
R SC1(CHROMA)
CH
CH OS
CH(CHROMA out)
15
16
17
37 38 39
SCL-A
SDA-A
30
1
9
ONLY PAL
7120
2/1525
K2
10
VPS
1/1525
K1
HF_MONO
7850
10 9
7160
36
RAM
8
9
11
AUDIO-R
COMUTER
STEREO/
DUAL SOUND
12
AUDIO-L
CONTROLLED
DECODER
8k
TELETEXT
10
7
20
SCL-A
NOT FOR PAL I
7140
1
SDA-A
AUDIO
57
56
TELETEXT "DOS" (VT)
26
VIDEO
3PYH
G NOT FOR
7900 TDA 3852
PAL I
1180
1
SOUND TRAP
17
VHF
14
13
12
MIX
20
MIX
5
19
8
AGC
AFC
DET.
DET.
G
18
UHF
MOD
20
SDA-A
SCL-A
PLAYBACK AUDIO
OPTION
ONLY FOR SECAM L
NOT FOR SECAM L
GV470...
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
FAMILY BOARD
SHIFT
EURO-AV1
REGISTER
4
16-9 out
5
SC1 in
20
6
SC1 out
19
K
7375
7
SR4
L
RGB OUT
17
10
11
YC I/O
BOX/SEC
CVBS I/O
15
12
3
14
13
R/CHROMA
13
1
12
14
M
G
11
10
9
8
B
7
6
3
2
TXT
1
INSERT
7400
1
DATA
3
CCVS/CVS
(VIDEO LUMINANCE
SHIFT
INPUT)
16
REGISTER
10
4
SR_A
3
5
SR_B
1
6
SR_C
7370
7
CVS OS
SR3
SR_D
14
SR_E
13
SR_F
11
SR_G
2
12
PB
UAV1
7420
SVHS-DET
1
18 4 3 19 32
IIC BUS
S-VHS BOARD
LUMINANCE (SH)
7840
1530
13
16
CCVS/CVS
48
YC
39
EE
5
44
R
LEVEL
45
G
5
24
MIX SYN
46
47
B
21
RGB
(DE/IO)
PB
7190
CXA1145
SYNC
34
+5VF
7615
(SCL-B)
60
(SDA-B)
Y
61
(AF)
40
C
CCVS SF
TO SECAM BOARD SE, 1/1523
(LUMINANCCE OUT)
2
27
CVS
(IO)
29
17
(CHROMA OUT)
19
10
CH
15
(IO)
22
7
CCVS SF
FBASHF
(IO)
16
13
(IO)
69
57
AFC
(DE)
8
4
5
7790
SHIFT REGISTER 7
SHIFT REGISTER
12
1
2
3
EE
CHROMINANCE
(SF)
4
5
3
10
42
GRUNDIG Service
4 - 8
FM AUDIO (AF)
KEYBOARD UNIT (DC II)
LINE IN
LINE IN
HEAD
LEFT
RIGHT
PHONE
3/1518
2/1518
AUDIO-L
LINE
CFVR_R
OUT L
AUDIO MOD
LINE
AUDIO-R
OUT R
AUDIO
IN/OUT
65
AV1in L
SELECT
AUDIO
IN/OUT
SELECT
21 17 19
7280
AV2in L
20
AV2out L
AUDIO-L REC
16
AV1out L
14
18
AV1in R
4
8
AV2in R
5
6
AV2out R 11
15
AUDIO-R REC
AV1out R 13
66
LOGIC
26
SDA-A
23
7
SDA-A
SCL-A
39
40
37
38
41
14
SCL-A
SDA-A
24
11/1530
5
18/1530
CVS
RAE*
+5VW
1
7898
1090
AN3255
7930
COMP
5
R
EE
5MHz
10
7840
REC
1080
PB
S
6
16
4
1 3
8
6 14
14
PB
3MHz
V
AGC
DET
SYNC
VHS
DET
SEP
S
FM
LIM
EQ
LIM
DEMOD
V
S
V
FROM SE 3/1523
SWEST
4 5
6
7
11
12 13
14
6
7
11
12 13
14
4
5
6
7
11 12 13 14
7480
SHIFT REGISTER 6
7590
SHIFT REGISTER 5 7610
3
1
2
10
3
1
2
10
1
3
2
STROBE
CLOCK
14
12
13
DATA
4
3
19
IIC BUS
GV470...
7300
TDA9610
23
5/1518
OU
7/1518
22
EE/PB
27
MUTEAF
30
28
EE/PB
48
MUTEAF
STD–PB
(PAL I mono)
7
LINE
REC
IN L
3
20kHz
PB
9
LE
60
SCL SDA
STD-PB
(PAL I mono)
4
LINE
8
IN R
10
16
17
CCVS
7950
64µS
NP
VHS
7881
10
6
9
DO
2
3
8
8
V
3
5
7
S
1
EE
S
7
43
V
EF
INS
V
42
29
V
S 26
VHS
30
FS
NTSC
56
7470
M52062
45
7170
COL.KILL.
PAL
42
PILOT
+45
BURST
SEC
ERASE
-45
PB
5
9
2
HPLL
SYNC
REC
4,43MHz
48
18
NTSC TO
QUASI-PAL
NTSC
B/W
NTSC
CONVERTER
SEC-E
GRUNDIG Service
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Inhaltsverzeichnis
