Grundig 26-3821, Руководство по обслуживанию

Страница: 26 / 46

GR
UNDIG Ser
vice
Chassis SC
2 -
RDATA0
RDATA1
RDATA2
RDATA3
RDATA4
RDATA5
RDATA6
RDATA7
RDATA8
RDATA9
RDATA10
RDATA11
RDATA12
RDATA13
RDATA14
RDATA15
RDATA[0..15]
3V3D_FLASH
3V3D_FLASH
FCSB0
RADDRESS1
RADDRESS2
RADDRESS3
RADDRESS4
RADDRESS5
RADDRESS6
RADDRESS7
RADDRESS8
RADDRESS9
RADDRESS10
RADDRESS11
RADDRESS12
RADDRESS13
RADDRESS14
RADDRESS15
RADDRESS[0..21]
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
452676R
U902
74LVT244APW
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
452676R
U901
74LVT244APW
E
M
I_
S
W
E
M
I_
S
W
3V3D_CI
R
A
D
D
R
E
S
S
0
RDATA0
3V3D_IO
RDATA1
RDATA2
RDATA3
RDATA4
RDATA5
RDATA6
RDATA7
RDATA8
RDATA9
RDATA10
RDATA11
RDATA12
RDATA13
RDATA14
RDATA15
3V3D_IO
3V3D_IO
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
452676R
U903
74LVT245APW
R
D
A
T
A
8
R
D
A
T
A
10
R
D
A
T
A
11
R
D
A
T
A
12
R
D
A
T
A
13
R
D
A
T
A
14
R
D
A
T
A
15
R
D
A
T
A
9
RDATA[0..15]
3V3D_CI
CI_DATA0
CI_DATA1
CI_DATA2
CI_DATA3
CI_DATA4
CI_DATA5
CI_DATA6
CI_DATA7
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
1
0
C
I_
A
D
D
R
E
S
S
1
1
C
I_
A
D
D
R
E
S
S
1
2
C
I_
A
D
D
R
E
S
S
1
3
C
I_
A
D
D
R
E
S
S
1
4
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#
C
D
1#
C
D
2#
V
S
1#
IR
E
Q
#
W
A
IT
#
CD1#
CD2#
VS1#
IREQ#
WAIT#
CI_CD1
CI_CD2
CI_VS1
CI_IREQ
5VD_CI
SINGLE CI CONNECTOR
TS_CIIN_DATA[0..7]
T
S
_C
II
N
_
D
A
T
A
0
T
S
_C
II
N
_
D
A
T
A
1
T
S
_C
II
N
_
D
A
T
A
2
T
S
_C
II
N
_
D
A
T
A
3
T
S
_C
II
N
_
D
A
T
A
5
T
S
_C
II
N
_
D
A
T
A
6
T
S
_C
II
N
_
D
A
T
A
7
T
S
_C
II
N
_
D
A
T
A
4
T
S
_C
IO
U
T
_D
A
T
A
0
T
S
_C
IO
U
T
_D
A
T
A
1
T
S
_C
IO
U
T
_D
A
T
A
2
T
S
_C
IO
U
T
_D
A
T
A
3
T
S
_C
IO
U
T
_D
A
T
A
5
T
S
_C
IO
U
T
_D
A
T
A
6
T
S
_C
IO
U
T
_D
A
T
A
7
T
S
_C
IO
U
T
_D
A
T
A
4
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
452676R
U905
74LVT244APW
3V3D_CI
24
4
TS_CIIN_CLK
TS_CIIN_SYNC
TS_CIIN_VALID
T
S
_C
II
N
_C
LK
T
S
_C
II
N
_S
Y
N
C
T
S
_C
II
N
_V
A
LI
D
T
S
_C
IO
U
T
_C
LK
T
S
_C
IO
U
T
_S
Y
N
C
T
S
_C
IO
U
T
_V
A
LI
D
TS_SW
5VD_CI
N.C.
5VD_CI
N.C.
EMI BUS Address & Data Bus
FOEB
RADDRESS20
F
LA
S
H
3V3D_FLASH
S
T
R
A
P
P
in
S
et
tin
gs
FWEB
RADDRESS20
F
ro
m
C
IS
o
ck
e
t
3V3D_CI
N.C.
N.C.
IN
P
A
C
K
#
M
IC
LK
20
M
IS
T
R
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
T
R
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
W
A
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
SP900
SINGLE_PCMCIA_SOCKET
TS_CIIN_DATA[0..7]
From Front End
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
452676R
U904
74LVT244APW
TS_SW
TS_CIIN_DATA0
TS_CIIN_DATA1
TS_CIIN_DATA2
TS_CIIN_DATA3
TS_CIIN_DATA4
TS_CIIN_DATA5
TS_CIIN_DATA6
TS_CIIN_DATA7
3V3D_CI
24
4
TS_DATA0
TS_DATA1
TS_DATA2
TS_DATA3
TS_DATA4
TS_DATA5
TS_DATA6
TS_DATA7
TS_DATA[0..7]
to
C
IS
o
ck
e
tT
s
In
pu
t
TS_CLK
TS_VALID
TS_START
A/B
1
1A
2
1B
3
1Y
4
2A
5
2B
6
2Y
7
GND
8
3Y
9
3B
10
3A
11
4Y
12
4B
13
4A
14
OE
15
VCC
16
453914R
U906
74LVC257APW
A/B
1
1A
2
1B
3
1Y
4
2A
5
2B
6
2Y
7
GND
8
3Y
9
3B
10
3A
11
4Y
12
4B
13
4A
14
OE
15
VCC
16
U908
74LVC257APW
3V3D_CI
3V3D_CI
TS_DATA0
TS_DATA1
TS_DATA2
TS_DATA3
TS_DATA4
TS_DATA5
TS_DATA6
TS_DATA7
TS_CIOUT_DATA0
TS_CIOUT_DATA1
TS_CIOUT_DATA2
TS_CIOUT_DATA3
TS_CIOUT_DATA5
TS_CIOUT_DATA6
TS_CIOUT_DATA7
TS_CIOUT_DATA4
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]
M
U
X
M
U
X
A/B
1
1A
2
1B
3
1Y
4
2A
5
2B
6
2Y
7
GND
8
3Y
9
3B
10
3A
11
4Y
12
4B
13
4A
14
OE
15
VCC
16
U909
74LVC257APW
M
U
X
3V3D_CI
TS_CIOUT_CLK
TS_CIOUT_SYNC
TS_CIOUT_VALID
ID_TS_CLK
TS_SYNC
ID_TS_VALID
TS_SW
3V3D_CI
TS_SW
TS_SW
to
M
P
E
G
D
ec
od
er
T
s
In
pu
t
FOEB
FWEB
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
452676R
U907
74LVT244APW
24
4
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
3V3D_FLASH
3V3D_CI
3V3_ASTBY
C
I_
D
IR
R904
100R
R913
100R
R909
100R
R9004K7
R9024K7
R9054K7
R9074K7
R9104K7
R9064K7
R9034K7
R901 4K7
R911 22K
R914 22K
R916 22K
R918 22K
R912 22K
R915 22K
R917 22K
R91922K
C903
100N
C905
100N
C907
100N
C912
100N
R926
10K
R921
10K
R922
10K
R923
10K
R924
10K
R925
10K
C904
100N
C906
100N
C910
100N
C909
100N
C908
100N
C915
100N
C914
100N
C913
33U16V
L901 FB
L902
FB
L900
FB
R
92
8
10K
R
92
7
10K
R920
10K
C901
100N C902
100N
C900
100N
R908
10K
J900 0R RADDRESS22
R929
10K
C920
*
VCC_CI
1
1
2
2
3
3
4
4
5
5
6
6
U910
PBLS4003D
5VD_CI
RESET_COFDM
RADDRESS22
TS_DATA[0..7]
TS_SW
ID_TS_CLK
TS_SYNC
ID_TS_VALID
ID_TS_DATA[0..7]
FCSB0
C
I_
D
IR
E
M
I_
S
W
RDATA[0..15]
TS_CLK
TS_START
TS_VALID
CI_IREQ
CI_CD1
CI_VS1
CI_CD2
CI_REG
CI_INPACK
CI_RESET
CI_IOWR
CI_IORD
GRDYB
FWEB
FOEB
GCS0B
RADDRESS[0..21]
RADDRESS[0..21]
R375
1K
C918
10uF 16V
5V_DVB
Q801
BC848B
L808
FB
R801
10K
R814
47K
5VD_CI
CD1#
R816
100K
EMI_SW
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A19
9
A20 (NC)
10
WE
11
RESET
12
NC
13
VPP
14
RDY/BSY
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
BYTE
47
A16
48
453230R
U900
AT49BV322AT-70TU
R933
18K/NC
R934
31K/NC
CI_VCC_PROT
CI_VCC_PROT
74LVC244A
2
4
6
8
1
18
16
14
12
1A
0
1A
1
1A
2
1A
3
1OE
1Y
0
1Y
1
1Y
2
1Y
3
17
15
13
11
19
3
5
7
9
2A
0
2A
1
2A
2
2A
3
2OE
2Y
o
2Y
1
2Y
2
2Y
3
HD74LVC245A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 V
CC
GND
A0
A2
A3
A4
A5
A6
A7
T / R
B1
B2
B3
B4
B5
B6
B7
OE
0 B 1 A
Tr1
Low VCEsat
(BISS)
Tr 2
(RET)
GND
Control
input
Powe r
supply
1
2
3
5
4
6
Load
Loadswitch
PBLS4003D
4Y
3Y
2Y
1Y
A/B
OE
4B
4A
3B
3A
2B
2A
1B
1A
4
2
3
7
5
6
9
11
10
12
14
13
1
15
74LVC257APW
Chassis - Common Interface