Sharp LC-26DV20U Service Manual page 50

Lcd color television/dvd video player
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A
B
8
FROM/TO MPEG/MICON/DSP/RF_AMP
SD_A0
SD_A1
SD_A2
SD_A3
SD_A4
SD_A5
SD_A6
SD_A7
7
SD_A8
SD_A9
SD_A10
SD_A11
SD_D0
SD_D1
SD_D2
SD_D3
SD_D4
SD_D5
SD_D6
SD_D7
SD_D8
SD_D9
SD_D10
SD_D11
SD_D12
SD_D13
SD_D14
6
SD_D15
RAMCS0#
RAMCS1#
RAMRAS#
RAMCAS#
SD_BA0
RAMDQM
RAMWE#
RAMCLK
RAMCKE
HA0
HA1
HA2
HA3
HA4
HA5
5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
HA13
HA14
HA15
HA16
HA17
HA18
HA19
HA20
HD0
HD1
HD2
HD3
4
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15
MEMCS1
MEMCS0
RD
WR
FROM/TO REGUKATOR2
3
P.CON+3.3V_D
GND
FROM/TO AUDIO/VIDEO
RESET
2
1
A
B
H-3
C
MEMORY2 SCHEMATIC DIAGRAM
FLASH
16M
IC4007
SST39VF1601-70-4C-EKE
1.2
HA16
A16
C4064
3.3
VCCQ
0.1 F
0
VSS
0.7
HD15
DQ15
1.9
HD7
DQ7
1.3
HD14
DQ14
1.2
HD6
DQ6
0.6
HD13
DQ13
0.7
HD5
DQ5
0.8
HD12
DQ12
1.6
HD4
DQ4
C4062
3.3
VDD
0.1 F
1.6
HD11
DQ11
1.6
HD3
DQ3
1.3
HD10
DQ10
1.2
HD2
DQ2
1.4
HD9
DQ9
1.4
HD1
DQ1
0.9
HD8
DQ8
1.6
HD0
DQ0
2.6
RD
DE#
0
VSS
STANDARD
FLASHCS
2.6
CE#
2.5
HA0
A0
B4007
MMZ1608R102CT
B4008
MMZ1608R102CT
D_GND
DEBUG MODE
SSRAMCS
MEMCS0
C
D
E
(DVD PCB)
1.7
HA15
A15
1.0
HA14
A14
0.8
HA13
A13
1.5
HA12
A12
2.5
HA11
A11
1.3
HA10
A10
1.6
HA9
A9
1.5
HA8
A8
0
HA19
A19
0
HA20
A20
3.3
WR
WE#
0
RESET
RP#
0.1
C4039
VPP
0.1 F
0.1
R4041
WP#
4.7K
0
W860
HA19
A19
1.6
HA18
A18
0.7
HA17
A17
1.4
HA7
A7
1.6
HA6
A6
1.6
HA5
A5
1.3
HA4
A4
1.7
HA3
A3
2.5
HA2
A2
1.6
HA1
A1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D
E
F
G
IC4009
0
VSS
1.7
SD_D15
DQ15
1.0
SD_D14
DQ14
0
VSSQ
1.0
SD_D13
DQ13
2.5
SD_D12
DQ12
C4040_1
3.2
VDDQ
0.1 F
1.0
SD_D11
DQ11
1.0
SD_D10
DQ10
0
VSSQ
2.0
SD_D9
DQ9
0.8
SD_D8
DQ8
C4041_1
3.2
VDDQ
0.1 F
3.2
NC1
NC
NC
0
RAMDQM
UDQM
1.6
RAMCLK
CLK
3.2
55
R4048_1
CKE
RAMCKE
47K
0.7
NC2
NC
NC
0
SD_A9
A9
0.1
SD_A8
A8
0.8
SD_A7
A7
0.8
SD_A6
A6
0.8
SD_A5
A5
0.8
SD_A4
A4
0
VSS
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
F
G
H
8
16M SDRAM
M12L16161A-7TG
C4050_1
3.2
VDD
0.1 F
1.1
SD_D0
DQ0
7
1.1
SD_D1
DQ1
0
VSSQ
0.8
SD_D2
DQ2
1.1
SD_D3
DQ3
C4045_1
3.2
VDDQ
0.1 F
1.3
SD_D4
DQ4
6
2.2
SD_D5
DQ5
0
VSSQ
0.7
SD_D6
DQ6
1.5
SD_D7
DQ7
C4046_1
3.2
VDDQ
0.1 F
0
RAMDQM
LDQM
5
3.2
RAMWE#
/WE
3.2
RAMCAS#
/CAS
3.2
RAMRAS#
/RAS
3.2
RAMCS0#
/CS
0.2
SD_BA0
BA
1.7
SD_A10
A10/AP
0.8
SD_A0
4
A0
0.6
SD_A1
A1
0.6
SD_A2
A2
0.8
SD_A3
A3
C4047_1
3.2
VDD
0.1 F
3
2
PCB130
DMF066
1
H
H-4

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