Sharp LC-26DV24U Service Manual page 49

A B
8
FROM/TO MPEG/MICON/DSP/RF_AMP
SD_A10
SD_A11
7
SD_D10
SD_D11
SD_D12
SD_D13
SD_D14
SD_D15
RAMCS0#
RAMCS1#
RAMRAS#
6
RAMCAS#
SD_BA0
RAMDQM
RAMWE#
RAMCLK
RAMCKE
5
4
MEMCS0
FROM AUDIO/VIDEO
3
P.CON+3.3V_D
2
1
A B
H-3
C
MEMORY SCHEMATIC DIAGRAM
SD_A0
SD_A1
SD_A2
SD_A3
SD_A4
2.5
HA16
SD_A5
SD_A6
SD_A7
C4064
3.3
SD_A8
SD_A9
0.1 F
SD_D0
SD_D1
1.9
HD15
SD_D2
SD_D3
SD_D4
2.5
HD7
SD_D5
SD_D6
SD_D7
1.5
HD14
SD_D8
SD_D9
1.9
HD6
1.2
HD13
2.2
HD5
2.0
HD12
1.7
HD4
C4062
3.3
0.1 F
HA0
2.2
HA1
HD11
HA2
HA3
2.2
HA4 HD3
HA5
HA6
2.4
HA7 HD10
HA8
HA9
2.4
HA10 HD2
HA11
HA12
1.9
HA13 HD9
HA14
HA15
1.5
HA16 HD1
HA17
HA18
1.5
HA19
HD8
HD0
HD1
1.5
HD2 HD0
HD3
HD4
2.9
HD5 RD
HD6
HD7
HD8
HD9
HD10
2.9
HD11 MEMCSO
HD12
HD13
2.4
HD14 HA0
HD15
RD
WR
+3.3V
B4008
EBMS160808A102_RDC45
D_GND
GND
MEMCS0
RESET
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DVD MT PCB)
FLASH IC 16M
IC4007 SST39VF1601-70-4C-EKE
0.7
HA15
A16 A15
0.6
HA14
VCCQ A14
0 0.6
HA13
VSS A13
1.0
HA12
DQ15 A12
2.5
HA11
DQ7 A11
0.7
HA10
DQ14 A10
1.0
HA9
DQ6 A9
2.4
HA8
DQ13 A8
0
HA19
DQ5 A19
0
DQ12 A20 NC
3.3
WR
DQ4 WE#
C4060 330P CH
0
RESET
VDD RP#
3.3
C4039
DQ11 VPP
0.1 F
3.3
DQ3 WP#
0
W860
HA19
DQ10 A19
0
HA18
DQ2 A18
2.8
HA17
DQ9 A17
1.7
HA7
DQ1 A7
0
HA6
DQ8 A6
1.7
HA5
DQ0 A5
1.7
HA4
DE# A4
0 1.7
HA3
VSS A3
1.0
HA2
CE# A2
2.6
HA1
A0 A1
D E
F G
64M SDRAM IC
IC4005 M12L64164A-7TG
0 3.3
VSS VDD
0.001 B
1.2 1.3
SD_D15
DQ15 DQ0
0 3.3
VSSQ VDDQ
0.01 B
1.2 1.2
SD_D14
DQ14 DQ1
SD_D13 1.7 0.8
DQ13 DQ2
C4040
3.3 0
VDDQ VSSQ
0.01 B
SD_D12 1.8 2.2
DQ12 DQ3
2.3 1.7
SD_D11
DQ11 DQ4
C4045
0 3.3
VSSQ VDDQ
0.1 F
1.0 1.2
SD_D10
DQ10 DQ5
SD_D9 1.2 1.2
DQ9 DQ6
C4041
3.3 0
VDDQ VSSQ
0.01 B
1.8 1.3
SD_D8
DQ8 DQ7
C4046
0 3.3
VSS VDD
0 0.1 F
1.9
NC NC LDQM
RAMDQM 1.8 3.3
UDQM WE
0.5 3.3
RAMCLK
CLK CAS
R4048
55 3.3 3.3
CKE RAS
4.7K 0
3.3
NC NC CS
SD_A11 0 0
A11 BA0
0 3.3
SD_A9
A9 BA1
SD_A8 0 0
A8 A10/AP
1.6 1.0
SD_A7
A7 A0
1.6 1.2
SD_A6
A6 A1
SD_A5 1.6 0.7
A5 A2
1.6 1.6
SD_A4
A4 A3
0 3.3
VSS VDD
RAMCKE
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
F G
H
8
7
C4036
SD_D0
C4050
SD_D1
SD_D2
SD_D3
SD_D4
6
SD_D5
SD_D6
SD_D7
RAMDQM
RAMWE#
RAMCAS#
RAMRAS#
5
RAMCS1#
SD_BA0
RAMCS0#
SD_A10
SD_A0
SD_A1
SD_A2
SD_A3
C4047
0.1 F
4
3
2
PCB130
DMG097
1
H
H-4