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