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DCR-TRV24E/TRV25E/TRV27E
COVER
COVER
4-2. SCHEMATIC DIAGRAMS
VC-281 BOARD SIDE A
VC-281 BOARD SIDE B
4-2. SCHEMATIC DIAGRAMS
VC-281 BOARD SIDE A
VC-281 BOARD SIDE B
VC-281 (6/16)
4-47
4-48
For Schematic Diagram
• Refer to page 4-89 for printed wiring board.
• Refer to page 4-89 for printed wiring board.
:Voltage measurement of
the CSP IC and
the Transistors with
mark,is not possible.
the CSP IC and
the Transistors with
mark,is not possible.
D5_LK
D7_LK
A14_LK
MB85331BE9
IC3002
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
D9_LK
XX
R3002
XSYS_RST
D10_LK
A13_LK
A20_LK
D4_LK
A18_LK
D15_LK
A17_LK
A2_LK
D2_LK
A11_LK
A5_LK
D13_LK
FB3001
0uH
FB3002
XX
D1_LK
XX
C3001
XX
C3005
A4_LK
A10_LK
A3_LK
A8_LK
D12_LK
XX
IC3001
Vcc
1
DQ0
2
Vccq
3
DQ1
4
DQ2
5
Vssq
6
DQ3
7
DQ4
8
Vccq
9
DQ5
10
DQ6
11
Vssq
12
DQ7
13
Vcc
14
DQML
15
XWE
16
XCAS
17
XRAS
18
XCS
19
A13
20
A12
21
A10
22
A0
23
A1
24
A2
25
A3
26
Vcc
27
Vss
28
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
A11
35
N.C.
36
CKE
37
CLK
38
DQMU
39
N.C.
40
Vss
41
DQ8
42
Vccq
43
DQ9
44
DQ10
45
Vssq
46
DQ11
47
DQ12
48
Vccq
49
DQ13
50
DQ14
51
Vssq
52
DQ15
53
Vss
54
A12_LK
RAS_LK
A16_LK
CS_SDRAM_LK
XX
R3001
A9_LK
WE1_LK
A6_LK
A
6.3V
TA
10u
C3003
D11_LK
CKE_LK
D0_LK
D3_LK
A19_LK
A1_LK
XX
C3002
D14_LK
RD_LK
D_2.8V
0.1u
B
C3004
LXWR
D8_LK
DSCK
A7_LK
CS_FLASH
D6_LK
CAS_LK
WE0_LK
0
R3003
A15_LK
REG_GND
0.1u
B
C3006
W981616BH-7-EL10
IC3003
1
Vcc
2
DQ0
3
DQ1
4
VssQ
5
DQ2
6
DQ3
7
VccQ
8
DQ4
9
DQ5
10
VssQ
11
DQ6
12
DQ7
13
VccQ
14
DQML
15
XWE
16
XCAS
17
XRAS
18
XCS
19
A11(BA)
20
A10/AP
21
A0
22
A1
23
A2
24
A3
25
Vcc
26
Vss
27
A4
28
A5
29
A6
30
A7
31
A8
32
A9
33
DU
34
CKE
35
CLK
36
DQMU
37
DU
38
VccQ
39
DQ8
40
DQ9
41
VssQ
42
DQ10
43
DQ11
44
VccQ
45
DQ12
46
DQ13
47
VssQ
48
DQ14
49
DQ15
50
Vss
0.1u
B
C3007
1
A
RD_LK
A17_LK
A15_LK
A16_LK
A20_LK
D0_LK
D8_LK
A5_LK
A10_LK
A3_LK
D2_LK
A9_LK
D7_LK
A2_LK
D14_LK
D1_LK
D11_LK
A8_LK
A13_LK
A1_LK
D12_LK
D5_LK
D15_LK
A14_LK
DSCK
D13_LK
D6_LK
WE1_LK
RAS_LK
CAS_LK
D4_LK
A4_LK
A12_LK
D10_LK
LXWR
D3_LK
A11_LK
D9_LK
CS_SDRAM_LK
A7_LK
A6_LK
WE0_LK
D0_LK
D1_LK
D2_LK
D3_LK
D4_LK
D5_LK
D6_LK
D7_LK
WE0_LK
LXWR
CAS_LK
RAS_LK
CS_SDRAM_LK
A14_LK
A13_LK
A11_LK
A1_LK
A2_LK
A3_LK
A4_LK
A5_LK
A6_LK
A7_LK
A8_LK
A9_LK
A10_LK
A12_LK
CKE_LK
DSCK
WE1_LK
D8_LK
D9_LK
D10_LK
D11_LK
D12_LK
D13_LK
D14_LK
D15_LK
A16_LK
A15_LK
A14_LK
A13_LK
A12_LK
A11_LK
A10_LK
WE1_LK
A8_LK
A7_LK
A6_LK
A5_LK
A4_LK
A2_LK
A1_LK
RD_LK
D0_LK
D8_LK
D1_LK
D9_LK
D2_LK
D10_LK
D3_LK
D11_LK
D4_LK
D12_LK
D5_LK
D13_LK
D6_LK
D14_LK
D7_LK
D15_LK
A17_LK
A9_LK
A18_LK
A3_LK
CKE_LK
CS_FLASH
CS_FLASH
A20_LK
A19_LK
A18_LK
A19_LK
A13_LK
D0_LK
D1_LK
D2_LK
D3_LK
D4_LK
D5_LK
D6_LK
D7_LK
WE0_LK
LXWR
CAS_LK
RAS_LK
CS_SDRAM_LK
A13_LK
A11_LK
A1_LK
A2_LK
A3_LK
A4_LK
A5_LK
A6_LK
A7_LK
A8_LK
A9_LK
A10_LK
CKE_LK
DSCK
WE1_LK
D8_LK
D9_LK
D10_LK
D11_LK
D12_LK
D13_LK
D14_LK
D15_LK
A14
XBYTE
XRESET
VSS
A7
A15
A5
VSS
RY/XBY
A6
XCE
DQ15/A-1
A4
A19
N.C.
A12
DQ0
A16
A3
N.C.
DQ8
DQ9
DQ1
DQ5
A10
VCC
A13
DQ3
A1
A9
XWE
DQ2
DQ14
A2
DQ6
DQ11
DQ4
DQ7
A11
A0
XOE
DQ10
A8
A17
DQ12
DQ13
N.C.
A18
IC3002
16Mbit FLASH MEMORY
16Mbit SDRAM
IC3003
CSP(CHIP SIZE PACKAGE)IC
XX MARK:NO MOUNT
VC-281 BOARD(6/16)
FLASH MEMORY,SDRAM(FLASH,RAM BLOCK)
H
2
3
12
9
G
11
E
C
10
13
6
B
7
I
D
F
5
8
4
16
44
(16/16(CN1007))
(3/16,4/16,
14/16,15/16)
14/16,15/16)
17
(4/16,
5/16)
5/16)
22
43
(5/16)
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