Grundig GV 640 NIC Betriebsanleitung Seite 39

GV 64 ..., GV 65 ..., GV 66 ..., SE 6106 HiFi
Blockschaltplan / Block Circuit Diagram (Audio)
Record Playback
Right Channel Right Channel
Left Channel Left Channel
FRONTEND / NICAM, FE
FAMILY BOARD
only EURO
2
I C
10
Antenne
B 14 13 A
17 10
TUMOD
(TM)
16 9
TV
1750
9
1537/5
2
Y
7600
7155
1 1
Y
7595
78
7402/12
MICRO 3 3
CV
9 9 E3/CV L
AUDIO-L
7
Y
E3/CV
CV 11 11 R
AUDIO -R
5 5 R
6
HEADPHONE Y
7 7 L
7150
1
CV
1 1
AUDIO-L
Y
CV 3 3
3 AUDIO -R
R
MICRO
Y
L
78
7060 R
+5VD
L
DISPLAY CONTROL, DC
R
L
R
7466-7468
MUTE
L
7453-
7455
2045
LINE
7463-7465
OUT
MUTE
6054
12A 5A1
L
LINE
IN
R
1910
IO BOARD, AU
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
54,7kHz
7000
SR2
5 4/6
PILOT CARRIER
Y
12
7100
7020-
17 14 15
7045 27 54,7kHz
+R 8
11
ZF(FE)
L+R
28 7
7050 10
2
11
7143
FEMONO 11 12
13
6 7
1636
3 4
17
7400
77
L AUDIO-LEVEL
2
L (FE)
R AUDIO-LEVEL
3
R (FE)
AUDIO-MOD 18
NR
MICRO 1 FM-REC
10
11
NR
FM-PB
26
7450-7452
MUTE
25
Y
75 ALREC ALC
9
8
ALPB
M
20
7460-7462
MUTE 19
73
27
7
76
6
2583
22
21
74
42
3,7V
4
49
5 3,7V
50 58
12A 5A1
GV 64 ..., GV 65 ..., GV 66 ..., SE 6106 HiFi
NIC-CARR
29
7225
6 1
1
SDA
7 3 R 11
20
SCL
12
7275
9
7305
10 7 3 L 4
3
6 1
only PAL-I
Y 3109
24 23 64 51 52 63 14 15
S&H PLL
PLL
S&H S&H
CCO
CCO
PB
EQ
REC
M
EQ
LP
28 29 32 30 31 33 36
2623
EQ
79
Y7600
Y 7495
MICRO
HIFI
MUTE
7605
7610
12 14
7615
5
7635
7402
SR4
Y
11
7640
13 only
S-VHS
U WR-A2
4 - 21 GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Reference CU .........4-70/77/84
Oscillograms ....4-85 DC .........4-67/75/82
AU....................4-36 DE ...................4-51
CC ...................4-47 FE....................4-27
54
SDA
53
7200
SCL
3
SCL
2
42
SDA
41
7 7
6 6
19 19 SDA
SCL
20 20
60
U FMES
3 3
LIM
14 14 FM F.T.
57
FM
7485
LIM
3485
12
U RAF
4 4
FM T.T.
56 12 12
M
+
only
S-VHS Y
7495
HIFI
61
1 1 HI-S
DOC X2
U WR-AF
2 2
2
I C
(HC)
34
3 5
PB
REC 1 7
80 Y
5 3
BIAS
81
3645 3519
ERASE 4 4
~
U WR-AF1
7655/7660
~ ~
7665/7675
1 2
Y
3517
~
7500/7505/ 2 1
~ ~
7510/7515
HC ...................4-59 TM ...................4-61
IO.....................4-33 VP....................4-62
OS ...................4-62 VS....................4-55
PS....................4-23 VT....................4-39
2
(TM) I C
MAIN CONTROLLER
7035 (CC)
2 1 23 22
55
(DE)
31
7071
19 20
20
60
27
9 11 10 8
(HC)
HEAD AMPLIFIER ~ 7630
~ ~
7635
7620
7640
1506
FLY ERASE
AWK
TLK
(AEH)
HLK
(FEH)
DECK MECHANISM
4 - 22