3. TECHNICAL BRIEF
- 58 -
3.13 MEMORY(INTEL,U204)
(256Mb64Mbit PSRAM)
MEMORY
0.1u
C220
2V8_VMEM
0.1u
C225
2V8_VMEM
2V8_VMEM
2V8_VMEM
R218
100K
C228
220p
1V8_VCORE
C227
0.1u
1u
C224
GND
2
1
3
4
5
VCC
TC7SH08FS
U203
E5
_CE1
K1
_CE2
G8
K3
_CE3
J2
_OE1
_OE2
H8
D6
_P1_CS
K2
_P2_CS
_RST
F4
C2
_R_LB
H1
_R_OE
F3
_R_UB
D5
_R_WE
_S_CS1
J1
_WE
F5
E4
_WP
L4
VCC21
B6
K6
VCC22
J8
VCCQ1
K7
VCCQ2
L3
VCCQ3
D4
VPP
VSS1
B4
VSS2
C4
VSS3
L1
L2
VSS4
L5
VSS5
L6
VSS6
L7
VSS7
VSS8
L8
WAIT
G7
_ADV
D7
G2
D8
D9
J3
NC1
A1
NC2
A2
NC3
A7
A8
NC4
NC6
M1
NC7
M2
M7
NC8
M8
NC9
P_MODE
K8
K5
P_VCC
S_CS2
C5
K4
S_VCC
VCC11
B5
VCC12
F6
A9
D7
CLK
C6
D0
H2
D1
H3
D10
G4
D11
J4
D12
H5
G6
D13
D14
H6
D15
J7
D2
G3
H4
D3
J5
D4
G5
D5
J6
D6
H7
A16
D2
A17
B2
A18
B3
A19
A2
E1
E6
A20
A21
B7
A22
C7
A23
C3
A24
D3
E3
A25
D1
A3
B1
A4
C1
A5
A6
F2
A7
E2
A8
G1
A0
A1
F1
A10
E7
A11
B8
C8
A12
A13
D8
A14
F7
E8
A15
F8
0.1u
U206
RD38F4050L0ZBQ0
C226
ADD15
ADD17
ADD19
ADD03
ADD21
ADD05
ADD06
ADD08
ADD23
_ROM_CS1
_ROM_CS2
_ROM_CS1
_ROMCS1
_RESET
ADD01
ADD10
ADD13
ADD02
ADD12
ADD14
ADD16
ADD04
_UBS
_WR
_WR
_RAM_CS1
DATA03
DATA04
DATA05
DATA06
DATA07
DATA08
DATA09
_LBS
_ADV
_WAIT
BURSTCLK
_RESET
_ROMCS1
_RD
_RD
ADD11
ADD18
ADD20
ADD22
ADD07
ADD09
DATA00
DATA01
DATA10
DATA11
DATA12
DATA13
DATA14
DATA15
DATA02
Z3X-BOX.COM
Summary of Contents for MG300d
Page 23: ...3 TECHNICAL BRIEF 24 Figure 3 1 SKY74400 FUNCTIONAL BLOCK DIAGRAM Z 3 X B O X C O M ...
Page 83: ...4 TROUBLE SHOOTING 84 4 6 LCD Trouble EMI FILTER CN600 Test Points Z 3 X B O X C O M ...
Page 110: ...5 DOWNLOAD AND CALIBRATION 111 8 Push the START button Z 3 X B O X C O M ...
Page 111: ...5 DOWNLOAD AND CALIBRATION 112 9 Phone test Finish is shown in below screen Z 3 X B O X C O M ...
Page 112: ...6 BLOCK DIAGRAM 113 6 BLOCK DIAGRAM Z 3 X B O X C O M ...
Page 113: ... 114 Z 3 X B O X C O M ...
Page 124: ... 125 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 125: ... 126 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 137: ... 138 Z 3 X B O X C O M ...
Page 138: ... 139 Z 3 X B O X C O M ...
Page 140: ... 141 12 EXPLODED VIEW REPLACEMENT PART LIST Z 3 X B O X C O M ...
Page 141: ... 142 Z 3 X B O X C O M ...