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GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GDV 100 D
Digitalplatte – Host-Prozessor / Digital Board – Host Processor
MOUNTINGS HOLES
I2C BUS
CONTROL BUS
ADDRESS BUS
DATA BUS
SERVICE SERIAL INTERFACE
TO/FROM BASIC ENGINE
FROM POWER SUPPLY
BOUNDARY SCAN
SEL_ACLK!
+5V!
A0!
TDO_TAP!
RX1P!
RX1P!
D8!
D9!
D10!
D11!
D12!
D13!
TDO_DSM!
TCK_TAP!
TMS_TAP!
RTSEX!
RTSEX!
CTS1P!
CTS1P!
TX1P!
TX1P!
SCART0!
SCART1!
S2B_CPR!
S2B_CPR!
S2B_SUR!
S2B_SUR!
S2B_RXD!
S2B_RXD!
S2B_TXD!
S2B_TXD!
A23!
A22!
A21!
A20!
A19!
A18!
A17!
A16!
A15!
A14!
A13!
A12!
A11!
A10!
A9!
A8!
A7!
A6!
A5!
A4!
A3!
A2!
A1!
D0!
D1!
D2!
D3!
D4!
D5!
D6!
D7!
#
#
# NOT MOUNTED
*
#
+5Vsense
P 4-36/1100-4
CLOCK SYNTHESIZER
P 4-26/7201-56
P 4-33/7100-49
7114-1
7111-17
P 4-31/7407-42
7110-11
P 4-27/7202-14,23
P 4-31/7406-43
P 4-26/7201-184
P 4-28/7303-87
#
#
#
#
#
#
#
#
#
#
#
#
4
5
6
1
7
8
9
10
11
12
2
3
L
K
J
O
I
H
G
F
E
D
C
B
A
N
M
4
5
6
1
7
8
9
10
11
12
2
3
+5VSTB!
+5V
-5V
-5V
+5V
+5V!
VCC_6
VCC_68340!
VCC_68340!
VCC_68340!
VCC_68340!
+5V!
VCC_68340!
VCC_68340!
VCC_68340!
+5V
+5V!
+5V!
+5V!
+5V!
+12V!
-5V!
+5V!
+5VA!
STB_CONT!
3126
0R
3127
1k
3180
100R
3164
100k
3163
100R
3166
6k8
3165
10k
3167
100k
3161
6k8
3160
10k
3162
100k
3159
100R
3
3168
22R
3172
100R
3171
100R
3170
47R
3169
68R
3173
100R
3182
22R
3183
22R
3184
22R
3187
22R
220R
3214
220R
3215
220R
3216
220R
3217
3181
22R
3189
0R
3188
0R
PGND!
GNDA!
27M_FIFO!
ACLK!
40M_CLK!
3M68_CLK!
13M5_CLK!
27M_CLK!
27M_DSM!
27M_DENC!
27M_LSI!
2154
1n5
2152
1n5
2153
22n
22n
2141
22n
2140
22n
2139
22n
2119
22n
2118
22n
2117
2116
22n
2115
22n
2109
22n
2103
22n
2102
22n
2101
22n
22n
2160
1900
1901
1902
1903
1904
1905
1101
5
-
1101
4
-
1101
3
-
1101
1
-
1101
6
-
1101
2
-
1201- 14
1201- 12
1201- 11
1201- 10
1201- 9
1201- 15
1200 -
3
1200 - 10
1200 -
9
1200 -
8
1200 -
7
1200 -
6
1200 -
5
1200 -
4
1200 -
2
1200 -
1
T110
T109
T108
T106
T100
T113
T107
6100
BAT254
7118
B
3
4
74ACT04
1
7118
E
11
10
74ACT04
1
7118
F
13
12
74ACT04
1
A
1
2
7118
74ACT04
1
7118
C
5
6
74ACT04
1
D
9
14
7
8
7118
74ACT04
1
4u7/16V
2155
47u/16V
2148
7116
74HCT14
14
7
13
12
F
7116
74HCT14
E
10
11
7116
74HCT14
C
6
5
7116
74HCT14
B
4
3
27MHz
5103
Ts
VSS Fout
VDD
3
1
4
2
FXO-31F
7111
MC68340-PV25
113
48
51
52
53
55
56
57
60
61
62
37
63
64
65
66
38
39
42
43
44
45
46
47
28
22
144
132
131
128
126
143
142
141
138
137
136
135
134
133
88
96
118
127
67
73
29
23
33
25
27
78
76
75
77
32
24
26
92
94
119
140
59
68
74
TXRDYN
RTS2N
CTS2N
RTS1N
CTS1N
VCC11
VCC15
TXD2
RXD2
TXD1
RXD1
GND13
GND11
TDO
TDI
TCK
TMS
A23
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
RXRDYN
VCC13
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
GND15
V
CC
7
GND8
VCC8
GND9
VCC9
GND10
VCC10
BUS INTERF
EXTERN
CHANNEL
OUTPUT
SERIAL
TEST
I/O
TWO-
PORT
7109
MK2742
10
9
14
6
8
12
5
11
7
15
16
1
4
13
3
2
PS0
AS0
PS1
PS2
X2
X1
AS1
CLOCK
BUFFER/
CRYSTAL
OSCILL.
CLOCK SYNTHESIS AND
CONTROL CICUITRY
CLOCK SYNTHESIS
AND
CONTROL CICUITRY
GND1
VDD1
CLOCK
SYNTHESIS
+2
GND2
VDD2
OUTPUT
BUFFER
OUTPUT
BUFFER
OUTPUT
BUFFER
OUTPUT
OUTPUT
BUFFER
BUFFER
PCLK
ACLK
27M
3_68M
13_5M
MC34064
7112
4
2
1
3
5
6
7
8
nc
nc
nc
RESET
GND
nc
nc
5104
BEAD
P 4-10
P 4