Sheet 13 of 59
VGA Frame Buffer
A
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Around DRAM
Close to DRAM
Directly under DRAM
OPTION, Under DRAM
FBVDDQ 1uF x 18
FBVDDQ 10uF x 6
FBVDDQ 22uF x 5
1V8 AON 1uF x 4
FBA_DBI4
FBA_EDC4
FBA_D32
FBA_D35
FBA_D34
FBA_D38
FBA_D37
FBA_D36
FBA_D33
FBA_D39
FBA_D62
FBA_EDC7
FBA_DBI7
FBA_ZQ_2_A
FBA_ZQ_2_B
FBA_CMD22
FBA_CMD24
FBA_CMD27
FBA_CMD28
FBA_CMD22
FBA_CMD21
FBA_CMD23
FBA_CMD24
FBA_CMD26
FBA_CMD17
FBA_CMD33
FBA_CMD30
FBA_EDC4
FBA_EDC5
FBA_EDC6
FBA_EDC7
FBA_DBI4
FBA_DBI5
FBA_DBI6
FBA_DBI7
FBA_D52
FBA_D51
FBA_D48
FBA_D49
FBA_D50
FBA_D55
FBA_D54
FBA_D53
FBA_DBI6
FBA_EDC6
FBA_D45
FBA_D43
FBA_D42
FBA_D41
FBA_D40
FBA_D46
FBA_D47
FBA_D44
FBA_DBI5
FBA_EDC5
FBA_D57
FBA_D58
FBA_D61
FBA_D60
FBA_D56
FBA_D59
FBA_D63
FBA_CMD30
FBA_CMD25
FBA_CMD33
FBA_CMD17
FBA_CMD16
FBA_CMD21
FBA_CMD29
FBA_CMD26
FBA_CMD23
FBA_CMD20
FBA_CMD19
FBA_CMD31
FBA_CMD18
FBVDDQ
GND
GND
GND
FBVDDQ
GND
FBVDDQ
FBVDDQ
FBVDDQ
1V8_AON
GND
FBVDDQ
1V8_AON
FBA_W CK45#
11
FBA_W CK45
11
FBA_W CKB45#
11
FBA_W CKB45
11
FBA_W CK67#
11
FBA_W CK67
11
FBA_DBI[7:4]
11
FBA_EDC[7:4]
11
FBA_VREFC
12
FBA_CLK1#
11
FBA_D[63:32]
11
FBA_CLK1
11
FBA_CMD[33:0]
11,12
FBA_W CKB67
11
FBA_W CKB67#
11
1V8_AON
10,12,14,15,16,17,19,54,55
FBVDDQ
11,12,14,15,19,20,53
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NP500-D02
D02
[13] VGA Frame Buffer A
A3
13
59
Monday, February 24, 2020
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N18P
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NP500-D02
D02
[13] VGA Frame Buffer A
A3
13
59
Monday, February 24, 2020
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N18P
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NP500-D02
D02
[13] VGA Frame Buffer A
A3
13
59
Monday, February 24, 2020
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N18P
C568
1U_6.
3V_X
6S_04
NV_040
2
VRAM
NC
NC
x16
NC
NC
NC
NC
NC
NC
NC
NC
NC
x8
GND
NORMAL
M11A
K4Z80325BC-HC14 (16*256M*2CH)
P/N =
VRAM
D10
WCK1_c_A
D11
WCK1_t_A
D13
DBI1_A
C13
EDC1_A
A12
DQ9_A
B13
DQ11_A
B12
DQ10_A
E12
DQ12_A
F13
DQ14_A
E13
DQ13_A
G13
DQ15_A
B11
DQ8_A
D5
WCK0_c_A
D4
WCK0_t_A
D2
DBI0_A
C2
EDC0_A
B3
DQ2_A
B2
DQ3_A
E3
DQ4_A
G2
DQ7_A
B4
DQ0_A
E2
DQ5_A
F2
DQ6_A
A3
DQ1_A
C24
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C20
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C10
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C1
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C12
10u
_4V_X6
S
_06
VRAM
R281
121_1%_04
VRAM
C3
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C527
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C531
1u_
6.3V
_X6S_
04
VRAM
C534
10u
_4V_X6
S
_06
VRAM
R277
121_1%_04
VRAM
C33
1U_6.
3V_X
6S_04
NV_040
2
VRAM
M11D
COMMON
K4Z80325BC-HC14 (16*256M*2CH)
P/N =
VRAM
V4
VSS
V2
VSS
V13
VSS
V11
VSS
U14
VSS
U1
VSS
T5
VSS
T3
VSS
T12
VSS
T10
VSS
R3
VSS
R14
VSS
R12
VSS
R1
VSS
P4
VSS
P11
VSS
N3
VSS
N14
VSS
N12
VSS
N1
VSS
M3
VSS
M14
VSS
M12
VSS
M1
VSS
L4
VSS
L11
VSS
H4
VSS
H11
VSS
G3
VSS
G14
VSS
G12
VSS
G1
VSS
F3
VSS
F14
VSS
F12
VSS
F1
VSS
E4
VSS
E11
VSS
D3
VSS
D14
VSS
D12
VSS
D1
VSS
C5
VSS
C3
VSS
C12
VSS
C10
VSS
B14
VSS
B1
VSS
A4
VSS
A2
VSS
A13
VSS
A11
VSS
V5
VPP
V10
VPP
A5
VPP
A10
VPP
U5
VDDQ
U10
VDDQ
T4
VDDQ
T14
VDDQ
T11
VDDQ
T1
VDDQ
P14
VDDQ
P1
VDDQ
N4
VDDQ
N11
VDDQ
L14
VDDQ
L1
VDDQ
K2
VDDQ
K13
VDDQ
J2
VDDQ
J13
VDDQ
H14
VDDQ
H1
VDDQ
F4
VDDQ
F11
VDDQ
E14
VDDQ
E1
VDDQ
C4
VDDQ
C14
VDDQ
C11
VDDQ
C1
VDDQ
B5
VDDQ
B10
VDDQ
V14
VDD
V1
VDD
P5
VDD
P10
VDD
L2
VDD
L13
VDD
H2
VDD
H13
VDD
E5
VDD
E10
VDD
A14
VDD
A1
VDD
C529
1u_
6.3V
_X6S_
04
VRAM
C40
10u
_4V_X6
S
_06
VRAM
C21
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C576
1u_
6.3V
_X6S_
04
VRAM
C552
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C575
1u_
6.3V
_X6S_
04
VRAM
C29
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C34
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C2
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C8
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C9
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C14
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C540
0.01u_16V_X7R_04
NV_040
2
VRAM
C538
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C23
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C39
10u
_4V_X6
S
_06
VRAM
C17
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C570
1U_6.
3V_X
6S_04
NV_040
2
VRAM
NC
NC
NC
GND
NORMAL
NC
NC
NC
x16
NC
NC
x8
NC
NC
NC
COMMON
M11B
K4Z80325BC-HC14 (16*256M*2CH)
P/N =
VRAM
R10
WCK1_c_B
R11
WCK1_t_B
R13
DBI1_B
T13
EDC1_B
M13
DQ15_B
N13
DQ14_B
P13
DQ13_B
P12
DQ12_B
U13
DQ11_B
U12
DQ10_B
V12
DQ9_B
U11
DQ8_B
R5
WCK0_c_B
R4
WCK0_t_B
R2
DBI0_B
T2
EDC0_B
M2
DQ7_B
N2
DQ6_B
P2
DQ5_B
P3
DQ4_B
U2
DQ3_B
U3
DQ2_B
V3
DQ1_B
U4
DQ0_B
C44
10u
_4V_X6
S
_06
VRAM
C11
1U_6.
3V_X
6S_04
NV_040
2
VRAM
M11C
COMMON
K4Z80325BC-HC14 (16*256M*2CH)
P/N =
VRAM
J10
CLK_t
K10
CLK_c
J1
RESET
M10
CKE_B
K5
CABI_B
K3
CA9_B
K4
CA8_B
K11
CA7_B
K12
CA6_B
L10
CA5_B
L5
CA4_B
L12
CA3_B
M4
CA2_B
M11
CA1_B
L3
CA0_B
G10
CKE_A
J5
CABI_A
J3
CA9_A
J4
CA8_A
J11
CA7_A
J12
CA6_A
H10
CA5_A
H5
CA4_A
H12
CA3_A
G4
CA2_A
G11
CA1_A
H3
CA0_A
M5
RFU_B
G5
RFU_A
K14
ZQ_B
J14
ZQ_A
F5
TMS
N10
TDO
F10
TDI
N5
TCK
K1
VREFC
C7
10u
_4V_X6
S
_06
VRAM
C547
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C19
1U_6.
3V_X
6S_04
NV_040
2
VRAM
Schematic Diagrams
B - 14 VGA Frame Buffer A
B.Schematic Diagrams
VGA Frame Buffer A
Summary of Contents for NP50DB
Page 1: ...NP50DB NP50DE ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer NP50DB NP50DE Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 41: ...Top A 3 A Part Lists Top Figure A 1 Top ...
Page 42: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 43: ...Main Board A 5 A Part Lists Main Board Figure A 3 Main Board ...
Page 44: ...A 6 HDD A Part Lists HDD Figure A 4 HDD ...
Page 45: ...LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 46: ...A 8 A Part Lists ...