GV 29 EURO, GV 9300 EURO
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GV 29 EURO, GV 9300 EURO
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GRUNDIG Service
4 - 9
GRUNDIG Service
4 - 10
Synoptique des circuits imprimés / Block Circuit Diagram – IN/OUT
Synoptique des circuits imprimés / Block Circuit Diagram – Audio
ALC
EE
REC
PB
LINE
AMP
MUTE
EQ
AMP
ALC
DET
REC
AMP
AUTO
BIAS
BIAS
CONT
AUDIO
E HEAD
AUDIO
R/P HEAD
FULL
E HEAD
MECHANISM BLOCK
70KHz
OSC
&
BIAS
LEVEL
CONTROL
Q2002 Q2005
76
78
80
(1/2)
LA71590M
LINER AUDIO
100
1
4
Q2001
99
6
7
98
77
96
BIAS
REC/PB
10
T2001
5
LP
DRIVE
Q2372
MUTE
Q2371
YCA AD MUTE
TO SY-A
AUDIO OUT
AD MUTE
TO SY-A
AD OUT(CV) TO SY-A
AV1
IC101
TO IC861
TO IC861
AD MUTE
2
4
6
8
1
3
5
7
9
11
10
12
14
16
18
20
13
15
17
19
21
2
4
6
8
1
3
5
7
9
10
12
14
16
18
20
11
13
15
17
19
21
Q8605
FSS IN
(SYSCON IC301)
EURO AV
DECODER
VIDEO IN
EURO AV
BLANKING
CONTROL
EURO AV, VIDEO OUT
CH+, VIDEO IN
AUDIO IN
CN871
AUDIO OUT
RGB(BLUE)
RGB(GREEN)
RGB(RED)
CONTROL
CH+ AUDIO IN
CN872
CH+, AUDIO OUT
Q8604
PB L
6dB
6dB
CLAMP
CLAMP
CLAMP
1
5
9
14
16
18
SERIAL
CONTROL
36
35
31
29
26
25
23
22
21
20
19
BUF
BUF
CLAMP
CONTROL
CONTROL
FSS OUT
4
6
12
AD IN TU
AD OUT
AD IN
VD IN TU
CH+ CLK
CH+ DATA
VD OUT
VD IN
INTERFACE
IC861
38
36
34
VD IN (TU)
VD IN (AV2)
VD IN (AV1)
VD (TO MCOM)
29
VD OUT (AV)
20
A
V1 (TV)
AD IN ( TU )
AD OUT
AD IN (AV1)
36
31
19
14
20
19
1; 3
35
1
2; 6
19
20
23
18
1; 3
2; 6
29
5
16
9
8
21
8
FSS IN
AD IN (AV2)
IC301/95
2-Euro-AV without decoder
TU / IF / DEMOD
(Audio & Video)
all models without IC861
System Controller
IC301
IC101
78
76
96
80
Mute (AD-A)
Q2371/2372
Q1008 / Q1009 (VA-A)
Q1012
Q1001
Modu-
lator
25
26
24 23
17 18
DATA
CLK
49
47
Q3062/3065
VD (FR MCOM)
78
96
AV CTL
AD MUTE
A
V2
(DECODER)
VD (CV)
AD OUT (CV)
Q1010 (delete by IC861)
OSD
IC141
VPS / PDC
7
6
16
Q1401
TC-A
V
ideosignal-
processing
V
ideosignal-
processing
IC861
only for 2 Euro-A
V with decoder
4
Reference
Oscillograms ....4-14
CP-1 ................4-11
PW-A ...............4-23
SY-A ................4-19
TB-1.................4-24
TM-1 ................4-18
TN-A ................4-21
TM-A................4-18
VA-A ................4-21