Velas VDM-MB434TV, Руководство по обслуживанию

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SCHEMATIC DIAGRAM
CD SERVO BOARD 3/4 Section
18
5 5
4 4
3 3
2
1
D
D
C
C
B
B
A
A9 A3
AD3
A1 A19 A4
AD6 AD1
A17 A16 A13 A14
AD0
A2 A6 A8 A18
AD7
A7
AD5
A12 A15 A10
AD2 AD4
A11 A5
A0
DQ[0..15]
RAS#
AD[0..7] PCE#
CAS#
PRD#
BA[0..1] DCKE
SDA
DQM[0..1] MA[0..11] DCLK
SCL PWR#
CS# WE#
DCS# DCAS# DRAS# DWE#
WE# RAS# CS# CAS# BA0 DCKE BA1 DCLK
SDCKE DBA0 DBA1 SDCLK
PCE# PRD# PWR#
A[0..20]
SCL SDA
VCC
DV33
SD33
GND
AA20
A20
DWE# DQM0
DQ7 DQ15 DQ4 DQ10
DRAS#
DQ3 DQ13
MA9 MA3
DQ5 DQ1 DQ14 DQ6 DQ2
MA1 MA11 SDCKE MA8 DBA0
DQ11
DCS#
DQ12
MA6 DCAS#
DQ0
MA7 MA4 MA0 DBA1
DQ9
MA5 MA2 SDCLK DQM1 MA10
DQ8
IO_[0..19] ASDAT[0..3] GPIO_[3..6]
VSYNC# YUV7 SPBCK SPLRCK SPMCLK HSYNC# SPDATA
CFD9_SDD1 CFD2_SDD2 CFD1_SDD0 SD_CLK
ASDAT3
CFD10_SDCMD GPIO_5
CFA1_MSD2
SD_CD CFD1_SDD0 CFD9_SDD1 CFD2_SDD2
SD_CLK
CFD10_SDCMD
ASDAT0 VSYNC# YUV7 HSYNC#
SPDATA
CFIORDY_SDD3
IO_17
DV33
DV33
SD33
DV33
FLASH_VCC
FLASH_VCC
DV33
VCC
SD33
FLASH_VCC
SD33 SD33
DV33
SDA
[2,6]
DQM[0..1]
[2]
BA[0..1]
[2]
WE#
[2]
PCE#
[2]
CAS#
[2]
AD[0..7]
[2]
CS#
[2]
DCKE
[2]
PRD#
[2]
SCL
[2,6]
DCLK
[2]
PWR#
[2]
MA[0..11]
[2]
DQ[0..15]
[2]
RAS#
[2]
A[0..20]
[2]
VCC
[1,2,4,5,6]
GND
[1,2,4,5,6]
DV33
[1,2,4,5]
IO_[0..19]
[2,6]
GPIO_[3..6]
[2]
ASDAT[0..3]
[2,5,6]
HSYNC#
[2]
VSYNC#
[2]
SPDATA
[2]
SPLRCK
[2,6]
SPBCK
[2]
SPMCLK
[2]
YUV7
[2]
TSOP
48
pin
IIC
DRAM
FLASH
8M
16M
FLASH
Memory
Card
I/F
Memory
Card
I/F
R56
33
R56
33
R68 10K R68 10K
L9
FB
L9
FB
C83 0.1uF C83 0.1uF
R57
33
R57
33
R60
33
R60
33
R58
33
R58
33
R331
10k
R331
10k
R62
33
R62
33
R69 10K R69 10K
C199 20pF C199 20pF
U6
FLASH
16M
U6
FLASH
16M
A0
25
A1
24
A2
23
A3
22
A4
21
A5
20
A6
19
A7
18
A8
8
A20
10
OE
28
BYTE
47
A18
16
D0
29
D1
31
D2
33
D3
35
A9
7
CE
26
D4
38
D5
40
D6
42
D7
44
D8
30
D9
32
WP/ACC
14
D11
36
D12
39
D13
41
D14
43
D15/A-1
45
VCC
37
GND1
27
WE
11
A19
9
D10
34
GND2
46
A10
6
A12
4
A11
5
A13
3
A14
2
A15
1
A16
48
A17
17
RESET
12
R332
10k
R332
10k
U3
SDRAM
4Mx16
TSOP-54
U3
SDRAM
4Mx16
TSOP-54
VCC
1
DQ0
2
DQ1
4
VSSQ
12
DQ2
5
DQ3
7
VCCQ
9
DQ4
8
DQ5
10
VSSQ
46
DQ6
11
DQ7
13
DQML
15
WE
16
CAS
17
RAS
18
CS
19
A11
35
A10/AP
22
A0
23
A1
24
A2
25
A3
26
VCC
14
VSS
41
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
NC
36
CKE
37
CLK
38
DQMH
39
NC
40
VCCQ
43
DQ8
42
DQ9
44
VSSQ
52
DQ10
45
DQ11
47
VCCQ
49
DQ12
48
DQ13
50
DQ14
51
DQ15
53
VSS
54
BA0/A13
20
BA1/A12
21
VCCQ
3
VSSQ
6
VCC
27
VSS
28
R63
0
R63
0
R66
R
R66
R
C70 0.1uF C70 0.1uF
+
CE18 47uF
+
CE18 47uF
C200 20pF C200 20pF
C74 0.1uF C74 0.1uF
R333
10k
R333
10k
U7
24C02
U7
24C02
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
R334
10k
R334
10k
C201 20pF C201 20pF
C69 0.1uF C69 0.1uF
R64
0
R64
0
C71 0.1uF C71 0.1uF
CON4
CONN
SERIES
SD
MEMORY
CARD
SD/CON
CON4
CONN
SERIES
SD
MEMORY
CARD
SD/CON
D3
1
CMD
2
VSS
3
VDD
4
CLK
5
VSS
6
D0
7
D1
8
D2
9
INS_SW
10
WP_SW
11
G
G1
G
G2
G
G3
G
G4
C73 0.1uF C73 0.1uF
R335
10k
R335
10k
L77
FB
L77
FB
R67
10k
R67
10k
C202 20pF C202 20pF
C75 0.1uF C75 0.1uF
C76 0.1uF C76 0.1uF
R61
33
R61
33
C72
0.1uF
C72
0.1uF
R330
10k
R330
10k
R59
33
R59
33
R65
0
R65
0
R55
33
R55
33
+
CE19
47uF
+
CE19
47uF