![Grundig VISION 2 19-2830 T Service Manual Download Page 25](http://html1.mh-extra.com/html/grundig/vision-2-19-2830-t/vision-2-19-2830-t_service-manual_2274159025.webp)
GR
UNDIG Ser
vice
Chassis DH
2 -
Chassis – Common Interface
RDATA0
RDATA1
RDATA2
RDATA3
RDATA4
RDATA5
RDATA6
RDATA7
RDATA8
RDATA9
RDATA10
RDATA11
RDATA12
RDATA13
RDATA14
RDATA15
RDATA[0..15]
GND
3V3D_FLASH
FCSB0
RADDRESS1
RADDRESS2
RADDRESS3
RADDRESS4
RADDRESS5
RADDRESS6
RADDRESS7
RADDRESS8
RADDRESS9
RADDRESS10
RADDRESS11
RADDRESS12
RADDRESS13
RADDRESS14
RADDRESS15
RADDRESS[0..22]
RADDRESS16
RADDRESS17
RADDRESS18
RADDRESS19
RADDRESS21
1A
1
4
O
E
1
1
2Y
1
5
G
N
D
10
1A
3
8
2Y
0
3
1A
2
6
2A
3
11
2Y
2
7
V
C
C
20
2A
1
15
2A
2
13
1Y
2
14
1Y
1
16
1Y
0
18
2A
0
17
1A
0
2
2Y
3
9
O
E
2
19
1Y
3
12
IC701
TC74LCX244FT
1A
1
4
O
E
1
1
2Y
1
5
G
N
D
10
1A
3
8
2Y
0
3
1A
2
6
2A
3
11
2Y
2
7
V
C
C
20
2A
1
15
2A
2
13
1Y
2
14
1Y
1
16
1Y
0
18
2A
0
17
1A
0
2
2Y
3
9
O
E
2
19
1Y
3
12
IC703
TC74LCX244FT
EMI_SW
E
M
I_
S
W
GND
GND
3V3D_CI
R
A
D
D
R
E
S
S
0
RDATA0
3V3D_FLASH
RDATA1
RDATA2
RDATA3
RDATA4
RDATA5
RDATA6
RDATA7
RDATA8
RDATA9
RDATA10
RDATA11
RDATA12
RDATA13
RDATA14
RDATA15
GND
VCC_CI
VCC_CI
3V3D_CI
R
A
D
D
R
E
S
S
1
R
A
D
D
R
E
S
S
2
R
A
D
D
R
E
S
S
3
R
A
D
D
R
E
S
S
4
R
A
D
D
R
E
S
S
5
R
A
D
D
R
E
S
S
6
R
A
D
D
R
E
S
S
7
R
A
D
D
R
E
S
S
8
R
A
D
D
R
E
S
S
9
R
A
D
D
R
E
S
S
10
R
A
D
D
R
E
S
S
11
R
A
D
D
R
E
S
S
12
R
A
D
D
R
E
S
S
13
R
A
D
D
R
E
S
S
14
A
2
4
D
IR
1
A
3
5
G
N
D
10
A
6
8
A
1
3
A
4
6
B
7
11
A
5
7
V
C
C
20
B
3
15
B
5
13
B
4
14
B
2
16
B
0
18
B
1
17
A
0
2
A
7
9
O
E
19
B
6
12
IC702
TC74LCX245FT
R
D
AT
A
8
R
D
AT
A
10
R
D
AT
A
11
R
D
AT
A
12
R
D
AT
A
13
R
D
AT
A
14
R
D
AT
A
15
R
D
AT
A
9
RDATA[0..15]
3V3D_CI
GND
C
I_
D
AT
A
0
C
I_
D
AT
A
1
C
I_
D
AT
A
2
C
I_
D
AT
A
3
C
I_
D
AT
A
4
C
I_
D
AT
A
5
C
I_
D
AT
A
6
C
I_
D
AT
A
7
E
M
I_
S
W
C
I_
A
D
D
R
E
S
S
0
C
I_
A
D
D
R
E
S
S
1
C
I_
A
D
D
R
E
S
S
2
C
I_
A
D
D
R
E
S
S
3
C
I_
A
D
D
R
E
S
S
4
C
I_
A
D
D
R
E
S
S
5
C
I_
A
D
D
R
E
S
S
6
C
I_
A
D
D
R
E
S
S
7
C
I_
A
D
D
R
E
S
S
8
C
I_
A
D
D
R
E
S
S
9
C
I_
A
D
D
R
E
S
S
10
C
I_
A
D
D
R
E
S
S
11
C
I_
A
D
D
R
E
S
S
12
C
I_
A
D
D
R
E
S
S
13
C
I_
A
D
D
R
E
S
S
14
244
244
245
GRDYB
C
IR
E
S
E
T
IO
R
D
#
IO
W
R
#
O
E
#
W
E
#
R
E
G
#
C
E
1#
WA
IT
#
WAIT#
CI_CD1
CI_CD2
CI_VS1
CI_IREQ
3V3D_CI
SINGLE CI CONNECTOR
TS_DATA[0..7]
TS
_D
AT
A
0
TS
_D
AT
A
1
TS
_D
AT
A
2
TS
_D
AT
A
3
TS
_D
AT
A
5
TS
_D
AT
A
6
TS
_D
AT
A
7
TS
_D
AT
A
4
TS
_C
I_
D
AT
A
7
TS_CLK
TS_VALID
TS_START
1A1
4
OE1
1
2Y1
5
GND
10
1A3
8
2Y0
3
1A2
6
2A3
11
2Y2
7
VCC
20
2A1
15
2A2
13
1Y2
14
1Y1
16
1Y0
18
2A0
17
1A0
2
2Y3
9
OE2
19
1Y3
12
IC705
TC74LCX244FT
GND
3V3D_CI
24
4
TS
_C
LK
TS
_S
TA
R
T
TS
_V
A
LI
D
TS
_C
I_
C
LK
TS
_C
I_
S
Y
N
C
TS
_C
I_
VA
LI
D
TS_SW
5VD_CI
N.C.
5VD_CI
N.C.
EMI BUS Address & Data Bus
FOEB
GND
GND
GND
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A21
9
A20
10
WE
11
RESET
12
VPP
13
WP
14
A19
15
A18
16
A17
17
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
CE
26
GND
27
OE
28
Q0
29
Q8
30
Q1
31
Q9
32
Q2
33
Q10
34
Q3
35
Q11
36
VCC
37
Q4
38
Q12
39
Q5
40
Q13
41
Q6
42
Q14
43
Q7
44
Q15
45
GND
46
VCCQ
47
A16
48
453230R
IC700
AT49BV162AT-70TU
RADDRESS20
FL
A
S
H
3V3D_FLASH
STRAP Pin Settings
GND
FWEB
RADDRESS20
From CI Socket
3V3D_CI
IN
P
A
C
K
#
M
IC
LK
20
M
IS
TR
T
46
M
IV
A
L
19
M
D
I0
47
M
D
I1
48
M
D
I2
49
M
D
I3
50
M
D
I4
53
M
D
I5
54
M
D
I6
55
M
D
I7
56
M
O
C
LK
57
M
O
S
TR
T
63
M
O
V
A
L
62
M
D
O
0
64
M
D
O
1
65
M
D
O
2
66
M
D
O
3
37
M
D
O
4
38
M
D
O
5
39
M
D
O
6
40
M
D
O
7
41
IO
_R
E
G
#
61
C
E
1#
7
C
E
2#
42
O
E
#
9
W
E
#
15
IO
R
D
#
44
IO
W
R
#
45
IN
P
A
C
K
#
60
IR
E
Q
#
16
G
N
D
4
68
G
N
D
3
35
G
N
D
1
1
G
N
D
2
34
D
0
30
D
1
31
D
2
32
D
3
2
D
4
3
D
5
4
D
6
5
D
7
6
A
0
29
A
1
28
A
2
27
A
3
26
A
4
25
A
5
24
A
6
23
A
8
12
A
7
22
A
9
11
A
10
8
A
11
10
A
12
21
A
13
13
A
14
14
C
D
1#
36
C
D
2#
67
V
S
1#
43
WA
IT
#
59
V
P
P
1
18
R
E
S
E
T
58
IO
IS
16
#
33
V
C
C
2
51
V
P
P
2
52
V
C
C
1
17
G
N
D
5
71
G
N
D
6
72
GND
69
GND
70
S700
SINGLE_PCMCIA_SOCKET
From Front End
TS_SW
GND
3V3D_CI
TS_DATA0
TS_DATA1
TS_DATA2
TS_DATA3
TS_DATA4
TS_DATA5
TS_DATA6
TS_DATA7
TS_DATA[0..7]
ID_TS_DATA0
ID_TS_DATA1
ID_TS_DATA3
ID_TS_DATA2
ID_TS_DATA4
ID_TS_DATA5
ID_TS_DATA7
ID_TS_DATA6
ID_TS_DATA[0..7]
ID_TS_CLK
ID_TS_SYNC
ID_TS_VALID
to MPEG Decoder Ts Input
FOEB
FWEB
GND
OE#
WE#
CI_RESET
CIRESET
CI_REG
REG#
CI_IOWR
CI_IORD
IORD#
IOWR#
CE1#
GCS0B
EMI_SW
3V3D_CI
INPACK#
CI_INPACK
5VD_CI
GND
3V3D_FLASH
3V3D_CI
GND
GND
VCC3.3V_D
GND
C
I_
D
IR
R701
100R
R705
NC
R702
100R
R704
22K
R707
22K
R706
22k
R708
22K
C709
1uF
R710
10K
R717
10K
R716
10K
R715
10K
R714
10K
C711
100nF
C708
100nF
C707
100nF
C706
1uF
C703
1uF
C704
1uF
L702
60R/100Mhz
L700
60R/100Mhz
L701
60R/100Mhz
R711
R712
10K
R709
10K
C701
100nF
C702
100nF
C700
100nF
R700
10K
R703
NC
RADDRESS22
VCC_CI
VCC_CI
GND
RESET
RADDRESS22
TS_DATA[0..7]
TS_SW
ID_TS_DATA[0..7]
FCSB0
C
I_
D
IR
EMI_SW
RDATA[0..15]
CI_IREQ
CI_CD1
CI_VS1
CI_CD2
CI_REG
CI_INPACK
CI_RESET
CI_IOWR
CI_IORD
FWEB
FOEB
GCS0B
RADDRESS[0..22]
RADDRESS[0..22]
C705
10uF/10V
VCC5V
R713
10K
GND
EMI_SW
TS_DATA[0..7]
1
3
2
T700
PMV56XN
TS_CI_DATA[0..7]
TS_CI_DATA[0..7]
C
I_
A
D
D
R
E
S
S
13
C
I_
A
D
D
R
E
S
S
14
C
I_
A
D
D
R
E
S
S
12
C
I_
A
D
D
R
E
S
S
11
C
I_
A
D
D
R
E
S
S
10
C
I_
A
D
D
R
E
S
S
9
C
I_
A
D
D
R
E
S
S
8
C
I_
A
D
D
R
E
S
S
7
C
I_
A
D
D
R
E
S
S
6
C
I_
A
D
D
R
E
S
S
5
C
I_
A
D
D
R
E
S
S
4
C
I_
A
D
D
R
E
S
S
3
C
I_
A
D
D
R
E
S
S
2
C
I_
A
D
D
R
E
S
S
1
C
I_
A
D
D
R
E
S
S
0
C
I_
D
AT
A
7
C
I_
D
AT
A
6
C
I_
D
AT
A
5
C
I_
D
AT
A
4
C
I_
D
AT
A
3
C
I_
D
AT
A
2
C
I_
D
AT
A
1
C
I_
D
AT
A
0
A2
4
DIR
1
A3
5
GND
10
A6
8
A1
3
A4
6
B7
11
A5
7
VCC
20
B3
15
B5
13
B4
14
B2
16
B0
18
B1
17
A0
2
A7
9
OE
19
B6
12
IC704
TC74LCX245FT
A2
4
DIR
1
A3
5
GND
10
A6
8
A1
3
A4
6
B7
11
A5
7
VCC
20
B3
15
B5
13
B4
14
B2
16
B0
18
B1
17
A0
2
A7
9
OE
19
B6
12
IC706
TC74LCX245FT
A2
4
DIR
1
A3
5
GND
10
A6
8
A1
3
A4
6
B7
11
A5
7
VCC
20
B3
15
B5
13
B4
14
B2
16
B0
18
B1
17
A0
2
A7
9
OE
19
B6
12
IC707
TC74LCX245FT
C
I_
C
D
1
C
I_
C
D
2
C
I_
V
S
1
C
I_
IR
E
Q
TS
_C
I_
D
AT
A
6
TS
_C
I_
D
AT
A
5
TS
_C
I_
D
AT
A
4
TS
_C
I_
D
AT
A
3
TS
_C
I_
D
AT
A
2
TS
_C
I_
D
AT
A
1
TS
_C
I_
D
AT
A
0
TS_CI_CLK
TS_CI_SYNC
TS_CI_VALID
TS_CI_DATA7
TS_CI_DATA6
TS_CI_DATA5
TS_CI_DATA4
TS_CI_DATA3
TS_CI_DATA2
TS_CI_DATA1
TS_CI_DATA0
#TS_SW
ID_TS_DATA0
ID_TS_DATA1
ID_TS_DATA3
ID_TS_DATA2
ID_TS_DATA4
ID_TS_DATA5
ID_TS_DATA7
ID_TS_DATA6
ID_TS_CLK
ID_TS_SYNC
ID_TS_VALID
#TS_SW
GND
3V3D_CI
C712
100nF
3V3D_CI
TS_CI_DATA[0..7]
TS_CI_DATA[0..7]
#TS_SW
24
5
24
5
24
5
GND
RDATA[0..15]
RADDRESS[0..22]
EMI_SW: L- VCC_CI is ON, H- VCC_CI is OFF
From Front End
#TS_SW is inverted TS_SW
TS_SW: L-TS from CI; H-TS from Front End
RESET
R724
10K
GND
R723
10K
VCC_CI
PROT2
R728
22K
R729
22K
R730
22K
R731
22K
R732
22K
R733
22K
R734
22K
R735
22K
R736
22K
R727
22K
R726
22K
R725
22K
1
3
2
T701
2N7002
VDD12V_A
R718
0R
10K
11
14
12
13
11
14
12
13
!
@
#
$