Memory Circuit Diagram - LG DP270B Service Manual

2. MEMORY CIRCUIT DIAGRAM

U301 U301
MA0
23 2
A0 DQ0
MA1
24 4
A1 DQ1
MA2
25 5
A2 DQ2
MA3
26 7
A3 DQ3
MA4
29 8
A4 DQ4
MA5
30 10
A5 DQ5
MA6
31 11
A6 DQ6
MA7
32 13
A7 DQ7
MA8
33 42
A8 DQ8
MA9
34 44
A9 DQ9
MA10
22 45
A10/AP DQ10
MA11
35 47
A11 DQ11
DBA0
20 48
BA0/A13 DQ12
DBA1
21 50
BA1/A12 DQ13
51
DQ14
SDCLK
38 53
CLK DQ15
SDCKE
37
CKE
DCS#
19 1
CS VCC
DRAS#
18 14
RAS VCC
DCAS#
17 27
CAS VCC
DWE#
16
WE
3
VCCQ
DQM0
15 9
DQML VCCQ
DQM1
39 43
DQMH VCCQ
49
VCCQ
36
NC
40 6
NC VSSQ
12
VSSQ
54 46
VSS VSSQ
41 52
VSS VSSQ
28
VSS
HY57V641620ETP-7-C HY57V641620ETP-7-C
SDRAM
1. HYNIX : HY57V641620ETP-7-C
2.
3.
Flash Memory
- Normal model (16MBit)
1. KH : KH29LV160CBTC-70G
2.
3.
- Game model (32Mbit)
1. KH : KH29LV320CBTC-70G
2.
3.
DQ7 U302 U302
DQ6
DQ5 A1
25
A0
DQ4 A2
24
A1
DQ3 A3
23
A2
DQ2 A4
22
A3
DQ1 A5
21
A4
DQ0 A6
20
A5
DQ8 A7
19
A6
DQ9 A8
18
A7
DQ10 A9
8
A8
DQ11 A10
7
A9
DQ12 A11
6
A10
DQ13 A12
5
A11
DQ14 A13
4
A12
DQ15 A14
3
A13
A15
2
A14
SD33 SD33 A16
1
A15
A17
48
A16
A18
17
A17
A19
16
A18
SD33 AA20
9
A19
R304 R304 AA21
10
A20
PCE#
26
CE
10K 10K PRD#
28
OE
PWR#
11
WE
12
RESET
KH29LV160CBTC-70G KH29LV160CBTC-70G
NORMAL : 16MBit
GAME
3.3V
L301 L301 FB FB
CE302 CE302 C302 C302 C303 C303 C304 C304
+ +
CE301 CE301
+ +
100uF/6.3V 100uF/6.3V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
47uF/10V 47uF/10V
AD0 AA20
29
D0
AD1
31
D1
AD2 AA21
33
D2
AD3
35
D3
AD4
38
D4
AD5
40
D5
AD6
42
D6
AD7
44
D7
30
D8
32
D9
34
D10
36
D11
DCS#
39
D12
DRAS#
41
D13
SD33 DCAS#
43
D14
A0 DWE#
45
D15
R303 R303 0 0
14
WP/ACC
DBA0
47
BYTE
DBA1
37
VCC
C301 C301
SDCKE
27
GND1
0.1uF 0.1uF
46
GND2
SDCLK
: 32MBit
SD33
SD33
1
2
C305 C305 C306 C306 C307 C307 C308 C308 C309 C309
3
4
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
3-35 3-36
R301 R301 0 0 A20
R302 R302 NC NC A21
NORMAL(16MBit) : NC
GAME(32MBit) : 0
RN301 RN301
CS#
4 5
RAS#
3 6
CAS#
2 7
WE#
1 8
33x4 33x4
RES4 RES4
R305 R305 33 33 BA0
R306 R306 33 33 BA1
R307 R307 33 33 DCKE
R308 R308 DCLK
HB-1M1608-121 HB-1M1608-121
SD33
R309 R309 R310 R310
1K 1K 1K 1K
U303 U303
8
A0 VCC
7
A1 WP
SCL C310 C310
6
A2 SCL
SDA 0.1uF 0.1uF
5
GND SDA
EEPROM 24C02 EEPROM 24C02
SOP8 SOP8
OFF-PAGE CONNECTION
3.3V
3.3V 2,4,7,8
GND
GND 2,4,5,6,7,8
POWER I/F
DQ[0..15]
DQ[0..15] 2
MA[0..11]
MA[0..11] 2
BA[0..1]
BA[0..1] 2
DQM[0..1]
DQM[0..1] 2
DCLK
DCLK 2
DCKE
DCKE 2
CAS#
CAS# 2
RAS#
RAS# 2
WE#
WE# 2
CS#
CS# 2
DRAM I/F
PCE#
PCE# 2
PRD#
PRD# 2
PWR#
PWR# 2
A[0..21]
A[0..21] 2
AD[0..7]
AD[0..7] 2
FLASH I/F
SCL
SCL 2
SDA
SDA 2
IIC I/F
LG & MALATA LG & MALATA LG & MALATA
Document Number Document Number Document Number
03.MEMORY 03.MEMORY 03.MEMORY
Monday, January 15, 2007 Monday, January 15, 2007 Monday, January 15, 2007