Akai CFTD2052, Service Manual

Page: 39 / 71

A B C D E F G H
A B C D E F G H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC4007 SST39VF800A-70-4C-EKE
FLASH IC 8M
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24 25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
5
6
7
8
9
IC4005 HY57V641620HGT-7
64M SDRAM IC
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27 28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
53
54
6
7
8
9
C4064
0.1 F
C4039
0.1 F
C4040
0.1 F
C4041
0.1 F
C4062
0.1 F
C4095 0.01
B
C4099 0.01
B
C4050
0.1 F
C4045
0.1 F
C4046
0.1 F
C4047
0.1 F
C4063_1
220
6.3V
YK
C4051_1
220
6.3V
YK
C4052_1
220
6.3V
YK
R4034
2.2
R4041
4.7K
R4048
47K
R4040
4.7K
B4008
FCM2012H-102T04
B4007
FCM2012H-102T04
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DURING PLAYBACK.
MEASURED WITH THE DIGITAL TESTER
NOTE:THE DC VOLTAGE EACH PART WAS
SD_A0
SD_A1
SD_A2
SD_A3
SD_A4
SD_A5
HA16 HA15
SD_A6
SD_A7
SD_A8
HA14
SD_A9
SD_A10
SD_A11
HA13
SD_D0
SD_D1
SD_D2
HD15 HA12
SD_D3
SD_D15 SD_D0
SD_D4
SD_D5
HD7 HA11
SD_D6
SD_D7
SD_D14 SD_D1
SD_D8
HD14 HA10
SD_D9
SD_D13 SD_D2
SD_D10
SD_D11
HD6 HA9
SD_D12
SD_D13
SD_D12 SD_D3
SD_D14
HD13 HA8
SD_D15
SD_D11 SD_D4
RAMCS0#
RAMCS1#
HD5 HA19
RAMRAS#
RAMCAS#
SD_D10 SD_D5
SD_BA0
HD12 HA20
RAMDQM
SD_D9 SD_D6
RAMWE#
RAMCLK
HD4 WR
HA0 SD_D8 SD_D7
HA1
RESET
HA2
HA3
HA4
HD11 RAMDQM
HA5
HA6
RAMDQM RAMWE#
HA7 HD3
HA8 RAMCLK RAMCAS#
HA9
HA10 HD10 HA19 RAMRAS#
HA11
HA12
RAMCS1#
HA13 HD2 HA18
HA14 SD_A11 SD_BA0
HA15
HA16
HD9 HA17 SD_A9 RAMCS0#
HA17
HA18
SD_A8 SD_A10
HA19 HD1 HA7
HA20 SD_A7 SD_A0
HD0
HD1
HD8 HA6 SD_A6 SD_A1
HD2
HD3
SD_A5 SD_A2
HD4 HD0 HA5
HD5 SD_A4 SD_A3
HD6
HD7
RD HA4
HD8
HD9
HD10 HA3
HD11
HD12
HD13
MEMCS0 HA2
HD14
HD15
MEMCS0 HA0 HA1
RD
WR
P.CON+3.3V_D
GND
RESET
G-4 G-3
FROM AUDIO/VIDEO
FROM REGULATOR2
(DVD PCB)
MEMORY2 SCHEMATIC DIAGRAM
PCB130
VMD327
0
0
1.4
1.6
0.8
0
A16
VSS
DQ15
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
VDD
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
DE#
VSS
CE#
A0
DQ4
2.6
2.6
1.4
1.2
1.6
1.6
0.7
0.6
1.2
1.3
1.9
0.7
1.2
3.3
3.3
1.3
0.9
1.6
2.5 1.6
2.5
1.7
1.3
1.6
1.6
1.4
0.7
1.5
1.6
1.3
2.5
1.5
0.8
1.0
1.7
A7
A6
A5
A4
A3
A2
A1
VCCQ
A15
A14
A13
A12
A11
A9
A8
A18
A17
A10
A19
A20
RP#
VPP
WP#
A19
0
0.1
0.1
0
0
1.6
3.3
WE#
VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
VSSQ
DQ6
DQ7
VDD
LDQM
WE
CAS
RAS
CS
BA0
BA1
A10/AP
A0
A1
A2
A3
VDD
VSS
DQ15
VSSQ
DQ14
DQ13
VDDQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VDDQ
DQ8
VSS
NC
UDQM
CLK
CKE
NC
A11
A9
A8
A7
A6
A5
A4
VSS
NC
0
NC
0
1.2
0
1.5
2.0
3.3
0.4
0.5
0
1.7
0.8
3.3
2.1
0
0
0
1.5
3.3
0
0.2
0.2
1.0
1.0
1.0
0.9
0
3.3
1.3
0
3.3
0.3
0.2
1.9
3.1
0.5
3.1
0.2
3.2
3.2
0
0
0
0.5
0.9
0.8
1.3
3.3
0.4
0.8
3.3
1.5
3.3
0
3
STANDARD
D_GND
FROM/TO MPEG/MICON/DSP