Sheet 15 of 59
VGA Frame Buffer
B
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
cost del,Ivy10/11
OPTION, Under DRAM
FBVDDQ 1uF x 18
FBVDDQ 10uF x 6
FBVDDQ 22uF x 5
1V8 AON 1uF x 4
FBB_CMD22
FBB_CMD24
FBB_CMD28
FBB_CMD27
FBB_CMD22
FBB_CMD24
FBB_CMD23
FBB_CMD21
FBB_ZQ_2_A
FBB_ZQ_2_B
FBB_CMD26
FBB_CMD30
FBB_CMD33
FBB_CMD17
FBB_CMD18
FBB_CMD30
FBB_CMD25
FBB_CMD33
FBB_CMD17
FBB_CMD16
FBB_CMD21
FBB_CMD26
FBB_CMD23
FBB_CMD29
FBB_CMD20
FBB_CMD19
FBB_CMD31
FBB_D42
FBB_D43
FBB_D40
FBB_D41
FBB_D44
FBB_D47
FBB_D46
FBB_D45
FBB_D50
FBB_D49
FBB_D51
FBB_D48
FBB_D52
FBB_D55
FBB_D53
FBB_D54
FBB_DBI6
FBB_DBI4
FBB_DBI5
FBB_DBI6
FBB_DBI7
FBB_EDC4
FBB_EDC5
FBB_EDC6
FBB_EDC6
FBB_EDC7
FBB_DBI4
FBB_EDC4
FBB_D34
FBB_D35
FBB_D32
FBB_D33
FBB_D36
FBB_D37
FBB_D39
FBB_D38
FBB_DBI5
FBB_EDC5
FBB_DBI7
FBB_EDC7
FBB_D57
FBB_D56
FBB_D58
FBB_D59
FBB_D61
FBB_D60
FBB_D63
FBB_D62
FBVDDQ
GND
GND
GND
FBVDDQ
GND
FBVDDQ
FBVDDQ
FBVDDQ
FBVDDQ
1V8_AON
1V8_AON
FBB_W CK67
11
FBB_W CK67#
11
FBB_VREFC
14
FBB_CLK1
11
FBB_D[63:32]
11
FBB_CLK1#
11
FBB_CMD[33:0]
11,14
FBB_DBI[7:4]
11
FBB_W CKB67
11
FBB_W CKB67#
11
FBB_EDC[7:4]
11
FBB_W CK45
11
FBB_W CK45#
11
FBB_W CKB45
11
FBB_W CKB45#
11
1V8_AON
10,12,13,14,16,17,19,54,55
FBVDDQ
11,12,13,14,19,20,53
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NP500-D02
D02
[15] VGA Frame Buffer B
A3
15
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
[15] VGA Frame Buffer B
A3
15
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
[15] VGA Frame Buffer B
A3
15
59
Monday, February 24, 2020
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N18P
C46
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C67
10u
_4V_X6
S
_06
VRAM
R302
121_1%_04
VRAM
C65
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C581
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C589
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C80
10u
_4V_X6
S
_06
VRAM
C61
1u_
6.3V
_X6S_
04
VRAM
C591
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C53
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C59
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C52
1u_
6.3V
_X6S_
04
VRAM
C82
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C585
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
M13B
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
C58
1u_
6.3V
_X6S_
04
VRAM
C579
1U_6.
3V_X
6S_04
NV_040
2
VRAM
M13C
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
C60
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C586
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C55
1u_
6.3V
_X6S_
04
VRAM
C83
10u
_4V_X6
S
_06
VRAM
C587
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C584
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C89
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C49
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
NC
NC
x16
NC
NC
NC
NC
NC
NC
NC
NC
NC
x8
GND
NORMAL
M13A
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
C51
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C68
10u
_4V_X6
S
_06
VRAM
C62
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C583
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C71
1U_6.
3V_X
6S_04
NV_040
2
VRAM
M13D
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
C57
10u
_4V_X6
S
_06
VRAM
C66
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C72
10u
_4V_X6
S
_06
VRAM
C47
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C582
0.01u_16V_X7R_04
NV_040
2
VRAM
R300
121_1%_04
VRAM
C70
1U_6.
3V_X
6S_04
NV_040
2
VRAM
Schematic Diagrams
B - 16 VGA Frame Buffer B
B.Schematic Diagrams
VGA Frame Buffer B
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 ...