Grundig 32-7851 T, Руководство по обслуживанию

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GRUNDIG Service Chassis SG
2 - 2
FLASH_D0
FLASH_D1
FLASH_D2
FLASH_D3
FLASH_D4
FLASH_D5
FLASH_D6
FLASH_D7
FLASH_D8
FLASH_D9
FLASH_D10
FLASH_D11
FLASH_D12
FLASH_D13
FLASH_D14
FLASH_D15
FLASH_A0
FLASH_A1
FLASH_A2
FLASH_A3
FLASH_A4
FLASH_A5
FLASH_A6
FLASH_A7
FLASH_A8
FLASH_A9
FLASH_A10
FLASH_A11
FLASH_A12
FLASH_A13
FLASH_A14
FLASH_A15
FLASH_A16
FLASH_A17
FLASH_A18
FLASH_A19
FLASH_A20
FLASH_A21
FLASH_A22
E
M
M
A
_C
V
B
S
WDG_RST
RAM_D12
RAM_D13
RAM_D14
RAM_D15
R
A
M
_A
8
R
A
M
_A
9
R
A
M
_A
11
R
A
M
_A
12
R
A
M
_A
4
R
A
M
_A
5
R
A
M
_A
6
R
A
M
_A
7
R
A
M
_A
3
R
A
M
_A
2
R
A
M
_A
1
R
A
M
_A
0
R
A
M
_D
0
R
A
M
_D
1
R
A
M
_D
2
R
A
M
_D
3
R
A
M
_D
4
R
A
M
_D
5
R
A
M
_D
6
R
A
M
_D
7
RAM_D8
RAM_D9
RAM_D10
RAM_D11
R
A
M
_A
10
FLASH_D14
FLASH_D15
FLASH_D1
FLASH_D6
FLASH_D2
FLASH_D3
FLASH_D7
FLASH_D4
FLASH_D8
FLASH_D0
FLASH_D9
FLASH_D10
FLASH_D11
FLASH_D12
FLASH_D5
27MHz
27MHz_PWM
WDG_RST
RST_DVB
RST_DVB
FLASH_D13
EMMA_CVBS
27MHz_PWM
F
LA
S
H
_D
[0
..
15
]
F
LA
S
H
_A
[0
..
22
]
R
A
M
_D
[8
..1
5]
RAM_D[0..7] RAM_A[0..12]
27MHz
SCART_TXD
SCART_RXD
RST_COFDM
SCL_EMMA
SDA_EMMA
TS_D0
TS_D1
TS_D2
TS_D3
TS_D4
TS_D5
TS_D6
TS_D7
TS_CLK
TS_VLD
TS_STRT
TS_COFDM_ERR
O
E
#
W
E
#
F
LA
S
H
_C
S
C
E
#
RST_DVB
A
B
C
K
S
P
D
IF
_D
V
B
A
D
O
A
LR
C
LK
C
I_
W
A
IT
#
C
I_
IR
E
Q
#
C
I_
C
D
#
/C
I_
V
S
IO
R
D
#
IO
W
R
#
R
S
T
#
RST_IDTV
CI_INPACK#
REG#
/CI_PWR_EN
/TS_EN
DVOCLOCK
RXD_DVB
TXD_DVB
JTDI
JTDO
JTMS
JTCK
JTRST
R
A
M
_D
Q
S
1
R
A
M
_D
Q
M
1
R
A
M
_C
LK
-
R
A
M
_C
LK
+
R
A
M
_C
K
E
R
A
M
_D
Q
M
0
R
A
M
_D
Q
S
0
R
A
M
_W
E
R
A
M
_D
C
S
B
R
A
M
_R
A
S
R
A
M
_C
A
S
R
A
M
_D
B
A
0
R
A
M
_D
B
A
1
RAM_D[0..7] RAM_A[0..12]
RAM_D[8..15]
FLASH_D[0..15]
FLASH_A[0..22]
MPEG_CVBS
ANTPOWER
DVO4
DVO5
DVO6
DVO7
DVO0
DVO1
DVO2
DVO3
#RESET
SDA_EMMA
SCL_EMMA
2V5_MEM
1V5_DVDD
3V3_IO
1V5_SW
2V5_EMMA
3V3_SW
3V3_IO
V
R
E
F
_D
D
R
3V3_IO
3V3_IO
1V5_DVDD
3V3_IO
1V5_DVDD
3V
3_
D
A
C
3V3_DAC
3V3_IO
1V5_PLL
2V5_MEM
1V
5_
D
V
D
D
1V5_SW
3V3_SW
3V3_IO
3V3_IO
1V
5_
D
V
D
D
3V
3_
D
A
C
3V3_DAC
1V5_DAC 1V5_SW
1V
5_
D
A
C
3V
3_
D
A
C
3V
3_
D
A
C
1V
5_
D
A
C
3V3_SW
1V5_DVDD
1V5_PLL
3V3_SW
3V3_IO
2V5_MEM
2V
5_
M
E
M
2V
5_
M
E
M
2V
5_
M
E
M
2V
5_
M
E
M
1V
5_
D
V
D
D
2V
5_
M
E
M
3V
3_
IO
3V3_IO
3V
3_
IO
3V3_IO
For CPU Clock = 166MHz
JTAG Debug Enable option
Bootstrap settings
ANALOG INPUT PIP:
CVBS to SCART out
R
70
0
47
R
C704
100nF/25V
R
76
5
22
0R
F
/6
03
R
70
6
47
R
R
74
5
33
R
C752
R
N
70
5
A
47
R
1 3 5 7
2 4 6 8
C741 22pF
C709
100nF/25V
R740 10k R740 10k
C703
100nF/25V
C751
R
74
4
33
R
R
75
5
33
R
R756
47R/603
C717
100nF/25V
C700
10pF/50V
C716
100nF/25V
R717 10k R717 10k
R
70
7
47
R
R
N
70
6
A
47
R
1 3 5 7
2 4 6 8
R729 100R
L700
600R Bead 1206
R771 47R/603
R
74
8
20
0R
F
/6
03
C754 C754
R
75
7
10
k
R741 10k R741 10k
C723
100nF/25V
C719
100nF
R
75
3
33
R
C724
100nF/25V
C740
100nF/25V
R708
10k
RN719
A33R
1
3
5
7
2
4
6
8
L706
10uH/805
C755
RN726
A47R
1
3
5
7
2
4
6
8
R728 10k R728 10k
R724 10k R724 10k
R
74
7
91
0R
F
/6
03
C750
NC(22pF/50V)
R735 10k
R
N
70
1
A
47
R
1 3 5 7
2 4 6 8
C705
100nF/25V
RN709 A47R RN709 A47R
1
3
5
7
2
4
6
8
T_POINT
R719 10k R719 10k
R
73
2
4.
7k
C753
C706
100nF/25V
RN708 A47R
1
3
5
7
2
4
6
8
R
70
3
47
R
C712
100nF/25V
R
74
3
33
R
R715 10k R715 10k
R760 1k/603
R759
10k
R
74
2
33
R
U701
PCA9536
IO0
1
IO1
2
IO2
3
GND
4
IO3
5
SCL
6
SDA
7
VCC
8
R770 4.7k/603
C729
100nF/25V
R
N
70
4
A
47
R
1 3 5 7
2 4 6 8
RN713
A33R
1
3
5
7
2
4
6
8
RN725
A47R
1
3
5
7
2
4
6
8
C722
100nF/25V
R
N
70
3
A
47
R
1 3 5 7
2 4 6 8
R
73
1
4.
7k
R
75
1
20
0R
F
/6
03
C730
100nF/25V
R738 NC(10k)
L704
68R Bead 0603
R769 100R
R763
150R/603
R
74
9
91
0R
F
/6
03
C718
100nF/25V
R764
390RF/603
RN714
A33R
1
3
5
7
2
4
6
8
R761
390RF/603
RN715
A33R
1
3
5
7
2
4
6
8
C734
100nF/25V
RN720
A33R
1
3
5
7
2
4
6
8
C720
100uF/16V
R710
4.7k
R726 100R
R768 100R
R
70
5
47
R
C733
NC(100uF/16V)
R
75
4
33
R
C708
100nF/25V
R709
4.7k
R714 10k R714 10k
R730 10k R730 10k
R722 100R
L705
10uH/805
R734 33R
C727
100nF/25V
C745
47pF
R713 4.7k
R720 47R/603
R
N
70
2
A
47
R
1 3 5 7
2 4 6 8
C749
NC(22pF/50V)
C721
100nF/25V
C707
100nF/25V
C728
100nF/25V
C715
100nF/25V
R
70
4
47
R
R721 NC(10k)
R739
10k
C737
100nF/25V
R727 100R
R702 10k
R
75
0
10
k/
60
3
L703
10uH/805
R712 47R R712 47R
C742
100nF/25V
C726
100nF/25V
C711
NC(100uF/16V)
R718 10k R718 10k
L702
220R Ferrit 0805
RN718
A33R
1
3
5
7
2
4
6
8
C757
100nF
RN711
A33R
1
3
5
7
2
4
6
8
C731
100nF/25V
C748
10nF
R
N
70
0
A
47
R
1 3 5 7
2 4 6 8
R723 10k R723 10k
RN710
A33R
1
3
5
7
2
4
6
8
R736 10k R736 10k
R
75
2
20
0R
F
/6
03
R
70
1
47
R
C702
100uF/16V
U700
EMMA2LL
U700
EMMA2LL
PPORT0
1
PPORT1
2
PPORT2
3
PPORT3
4
PPORT4
5
PPORT5
6
PPORT6
7
PPORT7
8
PPORT8
9
PPORT9
10
GND
11
GND-1
12
VDD1
13
PPORT10
14
PPORT11
15
RDATA0
16
RDATA1
17
RDATA2
18
RDATA3
19
RDATA4
20
RDATA5
21
RDATA6
22
RDATA7
23
RDATA8
24
RDATA9
25
RDATA10
26
VDD3
27
GND-2
28
RDATA11
29
RDATA12
30
RDATA13
31
RDATA14
32
RDATA15
33
RADD0
34
RADD1
35
RADD2
36
RADD3
37
RADD4
38
RADD5
39
RADD6
40
RADD7
41
GND-3
42
GND-4
43
VDD1-1
44
RADD8
45
RADD9
46
RADD10
47
RADD11
48
RADD12
49
RADD13
50
RADD14
51
RADD15
52
VDD3-1
53
GND-5
54
R
A
D
D
16
55
R
A
D
D
17
56
R
A
D
D
18
57
R
A
D
D
19
58
R
A
D
D
20
59
R
A
D
D
21
60
R
A
D
D
22
61
F
O
E
B
62
F
W
E
B
63
F
C
S
0B
64
G
C
S
0B
65
A
M
C
K
66
G
N
D
-6
67
G
N
D
-7
68
V
D
D
1-
2
69
A
B
C
K
70
A
T
X
71
A
D
O
72
A
LR
C
K
73
G
R
D
Y
B
74
T
E
S
T
75
V
A
Y
76
A
G
N
D
77
A
V
D
D
78
V
A
C
V
B
S
79
A
G
N
D
-1
80
A
V
D
D
-1
81
R
S
E
T
0
82
R
E
F
0
83
D
G
N
D
84
D
V
D
D
85
V
A
P
R
86
A
G
N
D
-2
87
A
V
D
D
-2
88
V
A
P
B
89
A
G
N
D
-3
90
A
V
D
D
-3
91
R
S
E
T
1
92
R
E
F
1
93
D
G
N
D
-1
94
D
G
N
D
-2
95
D
V
D
D
-1
96
P
P
O
R
T
12
97
P
P
O
R
T
13
98
P
P
O
R
T
14
99
P
P
O
R
T
15
10
0
P
P
O
R
T
16
10
1
P
P
O
R
T
17
10
2
P
P
O
R
T
18
10
3
P
P
O
R
T
19
10
4
P
P
O
R
T
20
10
5
P
P
O
R
T
21
10
6
P
P
O
R
T
22
10
7
P
P
O
R
T
23
10
8
GND-13
162
GND-12
161
VDD2-1
160
DQ10
159
DQ11
158
DQ12
157
DQ13
156
DQ14
155
DQ15
154
VDD2
153
GND-11
152
JTRST
151
JTCK
150
JTMS
149
JTDO
148
JTDI
147
TXD1B
146
RXD1B
145
NMI
144
RSTSWB
143
RSTOUT
142
PWMOUT
141
VDD3-3
140
GND-10
139
GND-9
138
CLK27IN
137
PAVDD
136
PAGND
135
VDD1-3
134
PPORT44
133
PPORT43
132
PPORT42
131
PPORT41
130
PPORT40
129
PPORT39
128
PPORT38
127
PPORT37
126
PPORT36
125
PPORT35
124
PPORT34
123
PPORT33
122
PPORT32
121
PPORT31
120
PPORT30
119
SCL0
118
SDA0
117
PPORT28
115
PPORT27
114
PPORT26
113
PPORT25
112
PPORT24
111
GND-8
110
VDD3-2
109
PPORT29
116
V
D
D
3-
4
21
6
G
N
D
-2
2
21
5
G
N
D
-2
1
21
4
V
D
D
2-
6
21
3
D
Q
0
21
2
D
Q
1
21
1
D
Q
2
21
0
D
Q
3
20
9
D
Q
4
20
8
V
D
D
1-
5
20
7
G
N
D
-2
0
20
6
V
D
D
2-
5
20
5
D
Q
5
20
4
D
Q
6
20
3
D
Q
7
20
2
D
Q
S
0
20
1
D
Q
M
0
20
0
D
W
E
B
19
9
D
C
A
S
B
19
8
D
R
A
S
B
19
7
D
C
S
B
19
6
V
D
D
2-
4
19
5
G
N
D
-1
9
19
4
D
B
A
0
19
3
D
B
A
1
19
2
D
A
D
D
10
19
1
D
A
D
D
0
19
0
D
A
D
D
1
18
9
D
A
D
D
2
18
8
D
A
D
D
3
18
7
V
D
D
2-
3
18
6
G
N
D
-1
8
18
5
G
N
D
-1
7
18
4
D
A
D
D
4
18
3
D
A
D
D
5
18
2
D
A
D
D
6
18
1
D
A
D
D
7
18
0
D
A
D
D
8
17
9
D
A
D
D
9
17
8
V
D
D
1-
4
17
7
G
N
D
-1
6
17
6
V
D
D
2-
2
17
5
D
A
D
D
11
17
4
D
A
D
D
12
17
3
D
C
K
E
/C
K
E
17
2
D
C
LK
/C
LK
17
1
D
C
LK
B
17
0
D
Q
M
1/
U
D
Q
M
16
9
D
V
R
E
F
16
8
D
Q
S
1/
U
D
Q
S
16
7
D
Q
8
16
6
D
Q
9
16
5
G
N
D
-1
5
16
4
G
N
D
-1
4
16
3
C732
100nF/25V
RN721
A33R
1
3
5
7
2
4
6
8
R767 100R
R766 47R
R737 10k R737 10k
C744 47pF
R725 10k R725 10k
Y700
13.5MHz
Y700
IC700
ICS728MLFT
IC700
ICS728MLFT
X1
1
VDD
2
VIN
3
GND1
4
CLK
5
N.C.
6
GND2
7
X2
8
R762 4.7k/603
L701
600R Bead 0603
Q700
BC847BL
RN712
A33R
1
3
5
7
2
4
6
8
C738
100nF/25V
R758 10k/603
C743
10uF/6.3V
R733 10k R733 10k
C701
10pF/50V
R711
47R
R711
47R
C725
100uF/16V
C736
100nF/25V
C710
100nF/25V
R
74
6
10
k
L707
5.6uH/805
C756
R716 10k R716 10k
C735
NC(100uF/16V)
C746
NC(22pF/50V)
R
N
72
2
A
47
R
1 3 5 7
2 4 6 8
C747
NC(10uF/10V)
RN707 A47R
1
3
5
7
2
4
6
8
3
4
3 4
4
3
3 4
Chassis - IDTV MPEG Decoder & CPU
Vorabversion
Preliminary Version