Grundig Vision 7 Service Manual page 29

Chassis - IDTV MPEG Decoder & CPU
Vorabversion
Preliminary Version
U800
RAM_D[0..7]
1
2V5_MEM
VDD0
RAM_D0
2
DQ0
3
2V5_MEM
VDDQ0
RAM_D1
4
DQ1
RAM_D2
5
DQ2
6
VSSQ0
RAM_D3
7
DQ3
RAM_D4
8
DQ4
9
2V5_MEM
VDDQ1
RAM_D5
10
DQ5
RAM_D6
11
DQ6
12
VSSQ1
RAM_D7
13
DQ7
14
NC0
15
2V5_MEM
VDDQ2
16
RAM_DQS0
LDQS
17
NC1
18
2V5_MEM
VDD1
19
NC2
20
RAM_DQM0
LDM
21
RAM_WE /WE
22
RAM_CAS
/CAS
23
RAM_RAS /RAS
24
RAM_DCSB
/CS
25
NC3
26
RAM_DBA0
BA0
27
RAM_DBA1 BA1
RAM_A10
28
A10(AP)
RAM_A0 29
A0
RAM_A1
30
A1
RAM_A2 31
A2
RAM_A3
32
A3
33
2V5_MEM
VDD2
EDD2516AMTA-6B-E EDD2516AMTA-6B-E
C803
100nF/25V
VREF_DDR
C805
100nF/25V
2V5_MEM
C808 C809 C810
100nF/25V 100nF/25V 100nF/25V
RAM_D[8..15]
66
VSS0
RAM_D15
65
DQ15
64
VSSQ2
RAM_D14
63
DQ14
RAM_D13
62
DQ13
61
2V5_MEM
VDDQ3
RAM_D12
60
DQ12
RAM_D11
59
DQ11
58
VSSQ3
RAM_D10
57
DQ10
RAM_D9
56
DQ9
55
2V5_MEM
VDDQ4
RAM_D8
54
DQ8
CLK-
53
RAM_CLK-
NC4
52
VSSQ4
51
RAM_DQS1
UDQS
50
NC5
49
R817
VREF_DDR
VREF
48
VSS
NC(100R)
47
RAM_DQM1
UDM
CLK-
46
/CK
CLK+ CLK+
45
RAM_CLK+
CK
44
CKE RAM_CKE RAM_A[0..12]
43
NC6
42 RAM_A12
A12
RAM_A11
41
A11
40 RAM_A9
A9
RAM_A8
39
A8
38 RAM_A7
A7
RAM_A6
37
A6
36 RAM_A5
A5
RAM_A4
35
A4
34
VSS1
2V5_MEM
R814
10k/F/603
R815
C807
10k/F/603 NC(10uF/25V)
C811 C812 C813
100nF/25V 100nF/25V 100nF/25V
DVB DDR-RAM
FLASH_A[0..22]
U801 U801
FLASH_A16 FLASH_A17
1 48
A15 A16
FLASH_A15
2 47
A14 BYTE
FLASH_A14
3 46
A13 GND1
FLASH_A13
4 45
A12 I/O15/A-1
FLASH_A12
5 44
A11 I/O7
FLASH_A11
6 43
A10 I/O14
FLASH_A10
7 42
A9 I/O6
FLASH_A9
8 41
A8 I/O13
FLASH_A20 R802 R802 0R 0R
9 40
A19 I/O5
FLASH_A21
R803 R803 0R 0R 10 39
NC0 I/O12
WE#
WE# 11 38
WE I/O4
RST_DVB
12 37
3V3_IO
RESET VCC
FLASH_A22 R804 0R
13 36
NC1 I/O11
14 35
3V3_IO
VPP I/O3
FLASH_A20 R806 NC(0R)
15 34
RDY/BUSY I/O10
FLASH_A19
16 33
A18 I/O2
FLASH_A18
17 32
A17 I/O9
FLASH_A8
18 31
A7 I/O1
FLASH_A7
19 30
A6 I/O8
FLASH_A6
20 29
A5 I/O0
FLASH_A5 21 28
A4 OE
FLASH_A4
22 27
A3 GND
FLASH_A3 23 26
A2 CE
FLASH_A2 FLASH_A1
24 25
A1 A0
AT49BV162AT-70TI
3V3_IO
C802
1uF/10V
3V3_IO
C801
1uF/10V R807 R808 R809 R810
10k 10k 10k 10k
J800 J800
2 1
4 3 R812 R812 0R 0R
3V3_IO
6 5
R813
WE#
8 7
10 9
NC(100R/603)
JTAG_CONN JTAG_CONN
FLASH_A[0..22]
FLASH_D[0..15]
3V3_IO
U802
FLASH_D15
AT24C64 AT24C64
FLASH_D7
1
A0 VCC
FLASH_D14
2
A1 /WP
FLASH_D6
3
A2 SCL
FLASH_D13
4
GND SDA
FLASH_D5
FLASH_D12
FLASH_D4
FLASH_D11
FLASH_D3
FLASH_D10
FLASH_D2
FLASH_D9
FLASH_D1
FLASH_D8
FLASH_D0
OE#
FLASH_CS
3
D V B F L A S H
3V3_IO
R811
10k
JTCK
JTDO
JTMS
JTRST
JTDI
D V B J T A G
D801 D801
3V3_IO
C800
BAV70 BAV70
8
100nF
7
3
6
5
R800 100R
SCL_EMMA
SDA_EMMA
R801 100R
4
DVB E2PROM
4