Platinenabbildungen und Schaltpl
äne / Layout of PCBs and Circuit Diagrams
GV 30
…
, GV 50
…
4 - 6
GRUNDIG Service
38
36
34
VD IN (AV1)
29
VD OUT (AV)
20
AD OUT
AD IN (AV1)
36
33
19
14
20
19
1
32
1
2
19
20
23
18
1
6
16
8
21
8
FSS IN
System Controller
IC301
IC101
78
76
96
80
Q1008
Q1301…2
Modu-
lator
25
26
24 23
17 18
DATA
CLK
49
47
VD (FR MCOM)
78
AD MUTE
3
2
13
V
ideo Signal-
processing
Audio Signal-
processing
4
24
21
6
2
12 11
3
5
95
FSS IN
3
3
35
6
2
3
SIF
22
4
7
9 10
8
13
57 53
AD IN (A
V2 R)
AD IN (A
V2 L)
AD IN (A
V1 L)
AD IN (A
V1 R)
DEC AOUT
(R)
DEC AOUT
(L)
IC231
59
61
62
61
1
9
14
15
10
64
63
2
1
43
42
TU / IF / DEMOD
(Audio & Video)
TU AD MUTE
22
TU AD
MUTE
Q3302/Q3303
28
84
AF ENV (FM-Audio detect)
Nicam only
36
I2C-Bus
TN-3 / TN-6
56 57
I2C-Bus
FSC
(4.43MHz)
OSD
Q1006
66
45
54
Q2203
MUTE-MONO
R G B
AV1 (TV)
A
V2
(DECODER)
16
16
Q8605
7; 1
1; 15
FM Process
49
VD IN (TU)
Q3303
Q2301
Q2302
Q2201
Q2202
Head Amplifier
JK231
R CH
L CH
CN871
CN872
Booster
(Referenzfrequenz)
Stereodecoder
A2:
TN-3
NICAM +A2 :
TN-6
Mute
AD-A
AD-A
(O
ption)
TN-3 / TN-6
Audio I/O Selector
C2325
C2326
12
32
31
Surround
AD MUTE
Q1010
Q3107/Q3108
(INT SYNC H)
50
VBS
IC141
VPS / PDC
58
IC307
AV1 SYNC (Auto Start)
VD (TO MCOM1)
8
10
9
7
1
2
5
4
Test
Picture
ALC
35 43 45
7
1
2
TN-CLK
TN-DA
TA
VD IN F
TN-3 only
1 EURO-AV only
TN-CLK
TN-DA
TA
TN-DA
TA
TN-CLK
9
MONO
1 EURO-AV only
AD OUT
(CV)
NORMAL
TU601
Q1303
1 EURO-AV only
MONO only
31
Q8651/8652
1 EURO-AV only
96
AV CTL
1 EURO-AV only
CV IN
5
AD IN
MONO
only
MONO
only
1 EURO-A
V
only
IC861
2 Euro-A
V
with decoder
29
AD OUT
1 EURO-AV only
AD OUT
FRONT
AD IN R
4
AD IN L
2
2
5
4
CN102
SWD 5V
3
MONO
only
Blockschaltplan / Block Circuit Diagram – IN/OUT
