Sharp LC32DV24U - 31.5" LCD TV Service Manual page 54

A B
8
DDR_SDRAM IC
IC2802 HYB18TC256160BF-3S
DAA0 1.8 1.8
M8 A0 G8
DQ0
DAA1 1.5 1.8
M3 A1 DQ1 G2
DAA2 1.9 1.8
M7 A2 DQ2 H7
DAA3 1.9 1.8
N2 A3 DQ3 H3
DAA4 1.9 1.8
N8 H1
A4 DQ4
DAA5 1.9 1.8
N3 A5 DQ5 H9
DAA6 1.9 1.8
N7 A6 DQ6 F1
DAA7 1.9 1.8
P2 A7 DQ7 F9
1.9 1.8
DAA8
P8 A8 DQ8 C8
DAA9 1.9 1.8
P3 A9 DQ9 C2
DAA10 1.9 1.8
M2 DQ10 D7
A10
1.8
DAA11 1.9
7 DQ11
P7 A11 D3
1.8
DAA12 1.9
R2 A12 DQ12 D1
1.8
DQ13 D9
1.8
DQ14 B1
1.8
DQ15 B9
1.8 1.1
DADQS0
F7 LDQS CK J8
DADQS0_N 1.8 1.1
E8 LDQS CK K8
1.8 1.9
DADQS1
B7 UDQS CS L8
1.8 1.8
DADQS1_N
A8 UDQS RAS K7
DAQM0 1.8 1.5
F3 L7
LDM CAS
6 1.8 2.0
DAQM1
B3 UDM ODT K9
DACKE 1.6
K2 CKE
1.8
DAWE_N
K3 WE
DABA0 1.3
L2 BA0
2.0
DABA1
L3 BA1
0
A3 VSS
0
E3
VSS
0
J3 VSS
5 0
N1 VSS
0
P9 VSS
0
A7 VSSQ 1.9
VDD A1
0 1.9
B2 VDD E1
VSSQ
1.9
0 VDD J9
B8 VSSQ
1.9
VDD M9
0
1.9
D2 VSSQ VDD R1
1.9
0 VDDQ A9
D8 1.9
VSSQ
VDDQ C1
0
1.9
E7 VSSQ VDDQ C3
1.9
0
VDDQ C7
F2
VSSQ 1.9
VDDQ C9
0
F8 VSSQ 1.9
VDDQ
E9
0
VSSQ 1.9
H2
VDDQ G1
0 1.9
H8 VDDQ G3
VSSQ
1.9
0
VDDQ
VSSDL G7
4 J7
1.9
VDDQ G9
1.9
VDDL J1
0.9
J2
VREF
NC R8 NC6
NC R7
NC5
NC R3 NC4
NC L1
NC3
NC E2 NC2
NC A2 NC1
3
2
1
A B
H-11
C
DDR SCHEMATIC DIAGRAM
(DIGITAL PCB)
DAQ0
DAQ1
DAQ2
DAQ3
DAQ4
DAQ5
DAQ6
DAQ7
DAQ8
DAQ9
DAQ10
DAQ11
DAQ12
DAQ13
DAQ14
DAQ15
DACLK
DACLK_N
DACS_N
DARAS_N
DACAS_N
DAODT
D1.8V
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
SCALER IC
IC2801
R2825 5.1
DACLK 1.1
W20 SDCLK
R2826 5.1 1.1
DACLK_N
SDCLK_N
W21
1.6
Y20 SDCKE
1.9
V21 SDCS_N
1.8
SDRAS_N
V19
R2827 27 1.5
DACAS_N
SDCAS_N
Y21
1.8
Y19
SDWE_N
DACLK
1.8
DAQM0
P21 SDDM0
DAQM1 1.8
L21 SDDM1
1.8
DAQM2
DACLK_N AA14 SDDM2
DAQM3 1.8
AA11 SDDM3
1.8
DADQS0
SDDQS0
N18
DADQS1 1.8
K18 SDDQS1
1.8
DADQS2
V13 SDDQS2
1.8
DADQS3
V10 SDDQS3
DADQS0_N 1.8
N19 SDDQS0_N
1.8
DADQS1_N
K19 SDDQS1_N
DADQS2_N 1.8
W13 SDDQS2_N
1.8
DADQS3_N
SDDQS3_N
W10
1.8
DAQ3
R20 SDDQ0
DAQ1 1.8
R21 SDDQ1
1.8
DAQ4
T21 SDDQ2
DAQ5 1.8
R18 SDDQ3
1.8
DAQ0
P18
SDDQ4
1.8
DAQ2
R19 SDDQ5
DAQ7 1.8
N20 SDDQ6
1.8
DAQ6
P20 SDDQ7
DAQ12 1.8
M20 SDDQ8
1.8
DAQ8
L18 SDDQ9
1.8
DAQ14
L20 SDDQ10
DAQ10 1.8
M18 SDDQ11
1.8
DAQ13
L19 SDDQ12
DAQ11 1.8
N21 SDDQ13
1.8
DAQ15
K21 SDDQ14
1.8
DAQ9
M21 SDDQ15
DAQ23 1.8
Y14 SDDQ16
1.8
DAQ20
W15 SDDQ17
DAQ17 1.8
V14 SDDQ18
1.8
DAQ19
V15 SDDQ19
DAQ21 1.8
AA16 SDDQ20
DAQ18 1.8
Y15 SDDQ21
1.8
DAQ16
AA15 SDDQ22
DAQ22 1.8
Y13
SDDQ23
1.8
DAQ25
V11 SDDQ24
DAD28 1.8
W11 SDDQ25
1.8
NC Y11 SDDQ26
1.8
DAQ27
V12 SDDQ27
DAQ29 1.8
AA13 SDDQ28
1.8
DAQ24
AA12 SDDQ29
DAQ26 1.8
Y12 SDDQ30
1.8
DAQ30
AA10 SDDQ31
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F G
R2823
R2824
NR2805
R8J66954BG CRA108270JV
2.0
SDODT V18
1.3
NR2806
SDBA0 AA19
2.0 CRA108270JV
SDBA1 V17
1.8
NR2807
SDA0 U20
CRA108270JV
1.8
SDA1 AA18
1.8
SDA2 AA20
1.8
SDA3 AA17
1.8
SDA4 U18
1.8 NR2808
SDA5 V16
CRA108270JV
1.8
SDA6 U21
1.8
SDA7 Y16
1.8
SDA8 T20
1.8
SDA9 Y17
1.8
SDA10 Y18
1.8
NR2809
SDA11 W16
CRA108270JV
1.8
T18
SDA12
NC
NC
1.8
VCCQ18 K20
0
VSS K17
0
VSS L17
0
VSS
M19
1.8
VCCQ18
M17
1.9
SDVREF0 N17
1.8
VCCCQ18 P19
0
VSS P17
0
VSS R17
1.8
VCCQ18 T19
1.8
VCCQ18 T17
0
VSS U19
0
VSS U17
1.8
VCCQ18 V20
1.8
VCCQ18 W19
1.8
VCCQ18 W18
0
VSS W17
0
VSS AA21
0
VSS
U16
0
VSS U15
1.8
VCCQ18
U14
0
VSS W14
1.9
SDVREF1 U13
1.8
VCCQ18 W12
0
VSS U12
0
VSS
U11
0
VSS Y10
1.8
VCCQ18 U10
F G
H
8
27
DARAS_N
27
DACKE
DABA1
DAODT
DAA4
DAA12
DAA8
DAA6
DAA0
7
DACS_N
DAA2
DAWE_N
DABA0
DAA10
DAA1
DAA9
DAA3
DAA7
6
DAA11
DAA5
NC
NC
5
D1.8V
4
3
C2859
1 B
6.3V(2125)
C2860
FROM REGULATOR2
10V 22 V-S
GND
2
D1.8V
PCBDH0
CEG352
1
H
H-12