Sony KDE-50XS955 Service Manual page 51

1 3
2
A
TO(4/6) D{7:0}
TO(4/6) A{21:0}
IC4801
MBM29DL32TF70TN-WE1
RB4804
A17 22 A17_F A17_F FLASH MEMORY
A16 A16_F A16_F
A15 A16
A15 A15_F A15_F
A14 BYTE
A14 A14_F A14_F
A13 VSS
B
A13 A13_F A13_F
A12 DQ15/A-1
RB4805
A12 22 A12_F A12_F
A11 DQ7
A11 A11_F A11_F
A10 DQ14
A10 A10_F A10_F
A9 DQ6
RB4806
A9 22 A9_F A9_F
A8 DQ13
A8 A8_F A8_F
A19 DQ5
A7 A7_F A7_F
A20 DQ12
A6 A6_F A6_F
WE DQ4
TO(4/6)WE
RESET VCC
R4832
22
NC DQ11
1/16W R4807
R4838
CHIP 10k
0
1/16W WP/ACC DQ3
CHIP
CHIP
R4808
10k RY/BY DQ10
RB4808
1/16W
C CHIP 22
A18 DQ2
A20 A20_F A20_F
A21 A21_F A21_F A17 DQ9
A19 A19_F A19_F A7 DQ1
A6 DQ8
A18 A18_F A18_F
A5 DQ0
RB4809
A5 A5_F A5_F
22
A4 OE
A4 A4_F A4_F
A3 VSS
TO(4/6)
DDRIF A3 A3_F A3_F
A2 CE
A2 A2_F A2_F
A1 A0
D
R4802
22
1/16W
CHIP
E
MCLK1
TO(4/6)
MCLK1B
R4803
22
1/16W
CHIP
TO(4/6) DDR_CKE
R4850
0
CHIP
R4804
22
1/16W
CHIP
MCLK0 M11 CK
F
TO(4/6)
MCLK0B M12 CK
R4805
MCASB 22 N12 CKE
1/16W
CHIP
MCSB0 N2 CS
TO(4/6)
MRASB M2 RAS
MWEB L2 CAS
RB4800 L3 WE
22
B2 DQS0
H13 DQS1
H2 DQS2
R4800
B13 DQS3
22
1/16W
DDR_BA0 DDR_BA0
CHIP
MMBA0 N4 BA0
R4801 DDR_BA1 DDR_BA1
MMBA1 M5 BA1
22
G 1/16W DDR_A0 DDR_A0
MMA0 CHIP N5 A0
RB4801 DDR_A1 DDR_A1
MMA1 22 N6 A1
DDR_A2 DDR_A2
M6 A2
MMA3
DDR_A3 DDR_A3
MMA2 N7 A3
RB4802 DDR_A4 DDR_A4
MMA4 22 N8 A4
DDR_A5 DDR_A5
M9 A5
MMA5
DDR_A6 DDR_A6
MMA6 N9 A6
DDR_A7 DDR_A7
MMA7 N10 A7
RB4803 DDR_A8 DDR_A8
N11 A8/AP
MMA8 22
DDR_A9 DDR_A9
MMA9 M8 A9
DDR_A10 DDR_A10
MMA10 L6 A10
DDR_A11 DDR_A11
M7 A11
MMA11
C4 NC
H
C11 NC
H4 NC
H11 NC
L12 NC
L13 NC
M3 NC
M4 NC
N3 NC
L9 RFU1
M10 RFU2
I
RB4807
22
MDQS0
1 3 5
J
2 4 6
K
4 5 6
FB4800
0uH
R4811
0
R4812
A0 CHIP
R4809 1k
22 1/16W
CHIP
1/16W
CHIP R4813
1k
1/16W
CHIP
R4814
RB4813 1k C4805 C4807 C4809 C4810 C4812 C4813 C4818 C4820
22
1/16W 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
D7
CHIP 10V 10V 10V 10V 10V 10V 10V 10V
D6
D5
R4815
D4 1k
1/16W
CHIP
R4816
1k
1/16W
CHIP
R4817
1k
C4819
1/16W 5p
RB4814 CHIP C4815 16V
22 5p
R4818 16V
D3 C4816
1k
5p
1/16W
D2 16V
CHIP
C4817
5p
D1
16V
D0
R4834
22
1/16W
CHIP
OE
R4839 R4833
0 22
1/16W
CHIP CHIP
CS1
R4840
A1
0 R4845
CHIP 22
R4810 CS0 JL4803
C4800 1/16W
22 CHIP
0.1 1/16W
R4846
10V CHIP
22
TO(4/6) REFCLKIN JL4804
1/16W
CHIP
R4844
100
TESTMODE2 JL4805
1/16W
CHIP
C4801 C4802 C4803 C4804 C4806 C4808 C4811
0.01
0.01 0.01 0.01 0.01 0.01 0.01
25V 25V 25V 25V 25V 25V 25V
DDR_2.5V
M13 MCL
N13 VREF
J9 VSS_THERMAL
J8 VSS_THERMAL
J7 VSS_THERMAL
J6 VSS_THERMAL
H9 VSS_THERMAL
H8 VSS_THERMAL
H7 VSS_THERMAL
H6 VSS_THERMAL
G9 VSS_THERMAL
G8 VSS_THERMAL
G7 VSS_THERMAL
G6 VSS_THERMAL
F9 VSS_THERMAL
F8 VSS_THERMAL
F7 VSS_THERMAL
IC4800
F6 VSS_THERMAL
HY5DU283222AFP-36
SD RAM
L10 VSS
L5 VSS
K9 VSS
K8 VSS
K7 VSS
K6 VSS
E10 VSS
E8 VSS
E7 VSS
E5 VSS
L11 VDD
L8 VDD
L7 VDD
L4 VDD
E11 VDD
E4 VDD
D8 VDD
D7 VDD
7 5 3 1 1 3 5 7 7 5 3 1 1 3 5 7 1 3 5 7 7 5 3 1 7 5 3 1 7 5 3 1
7
8 8 6 4 2 2 4 6 8 8 6 4 2 2 4 6 8 2 4 6 8 8 6 4 2 8 6 4 2 8 6 4 2
7 8 9
3.3V
R4837
0
C4835 C4836 C4837
0.1 CHIP
0.1 0.1
10V 10V 10V
1 3 5 7 1 3 5 7 1 3 5 7
8 8 8 C4838 C4839
2 4 6 2 4 6 2 4 6
10
16V
RB4822 RB4823 RB4826 RB4835 RB4838
RB4821 RB4827 RB4829 RB4832
47 47 47 47 47 47
47 47 47
1 3 5 7 7 5 3 1 1 3 5 7 7 5 3 1 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3
2 4 6 8 8 6 4 2 2 4 6 8 8 6 4 2 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 2 4
RB4825 RB4837
47
47
1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5
2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6
C4821 C4822 C4826 C4828 C4832 C4833
0.1 0.1 0.1 0.1 0.1 0.1
10V 10V 10V 10V 10V 10V
R4819
0
CHIP FB4802
0uH
C4827
1
50V
DDR_BA0
DDR_BA1
DDR_A0
2.5V DDR_A1
DDR_A2
DDR_A3
DDR_A4
DDR_A5
DDR_A6
DDR_A7
DDR_A8
DDR_A9
DDR_A10
DDR_A11
DDR_2.5V
C4823
0.01
25V
C4824 C4829
0.01
0.01
25V 25V
C4830
0.01
C4825
0.01 25V
25V
C4831
0.01
25V
RB4836
22
MDQS4
RB4839
10
11 12
1.25V
C4880 C4881 C4882
C4879
10 10 10 10
0.01
6.3V 6.3V 6.3V 6.3V
25V
C4844 C4850 C4852 C4854 C4855
RB4844 0.1 0.1 0.1 0.1 0.1
RB4840 RB4841 RB4846 RB4849 RB4851 RB4852
47 10V 10V 10V 10V 10V
47 47 47 47 47 47
5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7
6 8 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8
C4846
5p
16V C4847
5p
16V C4848
5p
16V
C4849
5p
16V
RB4845
47
C4840
7 1 3 5 7 0.1
10V
B
1005
R4820 R4821 R4822 R4823
47
47 47 47
1/16W 1/16W
8 1/16W 1/16W 2 4 6 8
CHIP CHIP CHIP CHIP
1.25V
C4851
C4841 C4842 C4843 C4845 C4853 C4856
0.01
0.01 0.01 0.01 0.01 0.01 0.01
25V 25V 25V 25V 25V 25V 25V
B B B B B B B
1005
1005 1005 1005 1005 1005 1005
M11 CK M13 MCL
M12 CK N13 VREF
N12 CKE J9 VSS_THERMAL
N2 CS J8 VSS_THERMAL
M2 RAS J7 VSS_THERMAL
L2 CAS J6 VSS_THERMAL
L3 WE H9 VSS_THERMAL
B2 DQS0 H8 VSS_THERMAL
H13 DQS1 H7 VSS_THERMAL
H2 DQS2 H6 VSS_THERMAL
B13 DQS3 G9 VSS_THERMAL
N4 BA0 G8 VSS_THERMAL
M5 BA1 G7 VSS_THERMAL
N5 A0 G6 VSS_THERMAL
N6 A1 F9 VSS_THERMAL
M6 A2 F8 VSS_THERMAL
N7 A3 F7 VSS_THERMAL
IC4802
N8 A4 F6 VSS_THERMAL
HY5DU283222AFP-36
SD RAM
M9 A5 L10 VSS
N9 A6 L5 VSS
N10 A7 K9 VSS
N11 A8/AP K8 VSS
M8 A9 K7 VSS
L6 A10 K6 VSS
M7 A11 E10 VSS
C4 NC E8 VSS
C11 NC E7 VSS
H4 NC E5 VSS
H11 NC L11 VDD
L12 NC L8 VDD
L13 NC L7 VDD
M3 NC L4 VDD
M4 NC E11 VDD
N3 NC E4 VDD
L9 RFU1 D8 VDD
M10 RFU2 D7 VDD
1 3 5 7 7 5 3 1 1 3 5 7 7 5 3 1 1 3 5 7 1 3 5 7 7 5 3 1 7 5 3 1 7 5 3 1
22
2 4 6 8 8 6 4 2 2 4 6 8 8 6 4 2 2 4 6 8 2 4 6 8 8 6 4 2 8 6 4 2 8 6 4 2
15
13 14
3.3V TO(1/6) TO(1/6)
1.25V
IC4803
TO(1/6)
MAX1809EEE+TG068
2.5V
MEMORY TERMINATION
C4874
10
6.3V
R4831
0
FB4808
FB4809
0uH 0uH CHIP
SHDN LX
L4800
TO(4/6)
IN PGND 4.7uH
MREF1.25V VREF1.25V C4878
220
4V
LX LX
C4871
R4827 C4875
0.1 10k 0.01
10V 1/16W 25V IN PGND
RN-CP
SS VCC
C4857 C4858 C4860 EXTREF GND
0.1 0.1 0.1 C4877
R4830
10V 10V 10V R4825 C4872 R4828 1
R4826 0.1 10k 68k TOFF REF
22 22 10V
10V 1/16W 1/16W
1/16W 1/16W
CHIP RN-CP CHIP
CHIP FB GND
C4869 C4870
0.1 0.1
10V
10V R4829
10
1/16W
CHIP
C4876
C4873
22 0.01
6.3V 25V
DDR_2.5V
R4824
0
CHIP FB4806
0uH
C4864
1
50V
2.5V
DDR_2.5V DDR_2.5V TO(4/6)
C4861
0.01
25V
C4862 C4865
0.01
0.01
25V 25V
C4866
0.01
C4863
0.01 25V
25V
C4867
0.01
25V
DIC3(5/6)
(SD RAM)
B-SS12275<UC.>-DIC3-P5
KDE-50XS955 (UC) 3-31