Grundig GV400 Servicehandbuch Seite 54

www.freeservicemanuals.info
Bedieneinheit / Keyboard Control Unit (MDCB1)
1 2 3
A
1001
1
XTAO
B
8.00MHz
5DDC
GND
5DDC
2
IR-Receiver
7103
C 4 3
2 1
5DDC 5DDC 5DDC
D
5.3V
3030
4.6V
22k
7030 5.2V 2031
E
BC558C
220n
F
1101 5DDC
DC1
15
POR
14
GNDD
G
3001
13
DATD1 100E
12 5DDC
+5D
3002
11
CLKD1 100E
10
-28V
H
9
INT
3051 3050
8
HELO1
100E 4k7
7
NC
3052 6050
6
HEHI 100E
I
BZX55/C6V8
5
STROBE
SB1 **)
3006
4
SDA
100E
3007
3
SCL 100E
2
AFC
J
1
PWM
PSS**)
to Deckelectronic F6
**) Only for SECAM-sets
K
1 2 3
GRUNDIG Service-Technik
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
4 5 6 7
5DDC
6099
5000
22u
BAT85
1002
24
P37
32kHz
22
XTAI P35
3
18
P31
16
P20
1.8V
10
XTIN
2.4V
11
XTOUT
1.9V
14
XOUT
2.1V
13
XIN
5.3V
17
P30
5V
1
INT0
+5C
4.6V
12
RESET
0.5V
2
INT1
3036
4.6V
10k
3034
75
7031 P50
4k7
BC548B
0V 77
P52
76
P51
25
P00
26
P01
28
5DDC P03
29
P04
30
P05
21
SO
20
SI
5.3V
19
SCK
-26.9V
66
Vkk
31
P06
5DDC 5DDC 5DDC
32
P07
27
P02
5.3V
79
P54
5.3V
23
P36
4.3V
78
P53
0.6V
80
PWM
INT2
4 5 6 7
8 9 10
+5C
4.6V
33
Vdd
7101
74
P47
TMP87CK70
73
P46
72
P45
71
P44
70
P43
69
P42
68
P41
67
P40
65
P97
64
P96
63
P95
62
P94
61
P93
60
P92
59
P91
58
P90
57
P87
56
P86
TMP87CK70
55
P85
54
P84
53
P83
52
P82
51
P81
50
P80
34
P60
35
P61
36
P62
37
P63
38
P64
39
P65
40
P66
41
P67
42
P70
43
P71
44
P72
45
P73
46
P74
47
P75
48
P76
49
P77
6
P15
7
P16
8
P17
9
TEST
P14 Vss DVO
15 4
3 5
8 9 10
4 - 19 GRUNDIG Service-Technik
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
11 12 13 14
STOP REC UP
SEARCH DOWN STORE
PLAY WIND
EJECT REW
STBY SETCLK
1N4148
6011 1N4148
6010
1N4148
6012
40 41 42 43 44
P12 P13 P14 P15 P16
39
P11
38
P10
1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G 12G
37
P1 P TIMER
P9 DECO. PDC VPS TODAY LP START
P2
36 a1
P8
P3 b1 a a a a a a a a a a a
35
P4 h
f1 h h h h h h h h h h
P7
P5 g1 k k k k k k k k k k k
34
P6
P6 c1 b b b b b b b b b b b
33 P7 e1 f f f f f f f f f f f
P5
P8 d1 g g g g g g g g g
g g
32
P4 P9 a2 m m m m m m m m m m m
P10 b2 e e e e e e e e e
e e
31
P3 c c
P11 f2 c c c c c c c c c
30
P12 g2 n n n n n n n n n n n
P2
P13 c2 r r r r r r r r r r r
29
P14 e2 j1,j2 j1,j2 j1,j2 j1,j2 j1,j2 j1,j2 j1,j2 j1,j2 j1,j2 j1,j2
P1 j1,j2
5 P15 d2 d d d d d d d d d d d
1G
P16 TIMER
6
2G
7102
7
3G
VF-DISPLAY
8
4G
4G
9
4G 1G 2G 3G 5G 6G 7G 8G 9G 10G 11G 12G 13G
5G
TODAY LP START
10 DECODER PDC VPS
P
6G
11 TIMER
7G
12
8G
13
a a
9G
14
h
j1
10G
f f
b b
k
g g
15
11G
m
r
16
c c
e e
12G
n
j2
17
13G
d d
18
14G
CM1185G
T1 T2 F2 F2_ F1 F1_
27 28 1 2 47 48
3053
4E7
11 12 13 14
It`s Free
15 16
1001 B 3
1002 B 5
2003 B 5
2004 B 5
2005 B 4
2010 A 6
A
2011 A 7
2030 E 5
2031 E 3
2037 D 3
2051 H 4
2052 A 8
2999 A 7
3001 G 3
3002 H 3
3006 I 3
3007 J 3
B 3011 G 3
3012 G 4
3029 C 2
3030 E 1
3031 E 1
3032 E 2
3033 E 3
3034 E 4
3035 D 4
3036 E 5
3037 D 2
C
3050 H 3
3051 H 3
3052 I 3
3053 J12
3300 I 6
3301 I 5
3302 I 5
5000 A 6
6010 D13
6011 D13
D
6012 D14
6031 E 2
6032 E 3
6050 I 3
6099 A 6
7030 E 1
13G 14G
7031 E 4
END
7101 B 7
a1 a1
7102 G13
7103 C 2
b1 b1 E
DC1 G 1
f1 f1
DOWN B13
g1 g1
EJECT C13
c1 c1
PLAY B13
e1 e1 REC B13
REW C13
d1 d1
SEARC B13
a2 a2
SETCL C13
b2 b2
STBY C13
f2 f2
F STOP B13
g2 g2 STORE B14
UP B14
c2 c2
WIND B13
e2 e2
d2 d2
G
9G 14G
END
H
I
J
Operating panel MDCB1 K
A.N. 9318
15 16
4 - 19