Grundig GDV 100 D Servicehandbuch Seite 92

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Digitalplatte / Digital Board – MPEG-Decoder
1 2
DATA BUS
ADDRESS BUS
A
CONTROL BUS
B
C
D
E
F
G
H
I
J
K
L
M
N
(SERIAL VIDEO)
FROM DSM /DVP
O
P 4-27
1 2
4 - 28
3 4 5
7303
L64005
110
D15! D7
109
D14! D6
108
D13! D5
107
D12!
D4
106
D11! D3
105
D10! D2
104
D1
D9!
103
D8! D0
127
A3! A2
126
A2! A1
125
A1! A0
121
DSN2! ASN
132
CS_LSIN! CSN
137
IRQ_LSIN! INTRN
133
RWN! READ
134
WAITN! WAITN
102
RES_LSIN! RESETN
130
NC1
128
NC2
3V3LSI! 3V3LSI!
119
NC3
100
NC4
3310 3311 81
NC5
4k7 4k7
131
NC6
120
RES1
117
RES2
116
RES3
115
RES4
27M_LSI!
P 4-22/R3181,R3184
# NOT MOUNTED
3 4 5
6 7
7300
LM3940-3.3
I O
+5V!
2329
G
470n
3V3LSI! 3V3LSI! 3V3LSI! 3V3LSI! 3V3LSI!
2301 2302 2303 2304 2305
22n 22n 22n 22n 22n
CLK_GEN.
MPEG2 IN
3301
0R
3V3LSI!
6 7
8 9 10
+3V3!
2330
+3V3! 3V3LSI!
47u
25V
5304
BEAD
3V3LSI! 3V3LSI! 3V3LSI! 3V3LSI! 3V3LSI!
2306 2307 2308 2309 2310
22n 22n 22n 22n 22n
INTEGRATED
MPEG AVG DECO
LSI
AUDIO
VIDEO INTERFACE
INTERFACE
8 9 10
GRUNDIG Service
GDV 100 D
11
2334
47u
25V
3V3LSI! 3V3LSI!
2311
22n
11