Sheet 14 of 59
VGA Frame Buffer
B
Schematic Diagrams
VGA Frame Buffer B B - 15
B.Schematic Diagrams
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_DBI1
FBB_EDC1
FBB_D8
FBB_D10
FBB_D13
FBB_D15
FBB_D14
FBB_D12
FBB_D9
FBB_D11
FBB_CMD14
FBB_CMD9
FBB_CMD4
FBB_CMD6
FBB_CMD5
FBB_CMD7
FBB_CMD15
FBB_CMD8
FBB_CMD13
FBB_CMD32
FBB_CMD12
FBB_CMD0
FBB_D0
FBB_D1
FBB_D24
FBB_VREFC
FBB_D25
FBB_D27
FBB_D26
FBB_D2
FBB_D30
FBB_D28
FBB_D31
FBB_D29
FBB_D7
FBB_D6
FBB_D5
FBB_D4
FBB_D3
FBB_DBI2
FBB_DBI1
FBB_DBI3
FBB_DBI0
FBB_DBI0
FBB_EDC2
FBB_EDC1
FBB_EDC0
FBB_DBI3
FBB_EDC0
FBB_EDC3
FBB_EDC3
FBB_DBI2
FBB_EDC2
FBB_D18
FBB_D22
FBB_D21
FBB_D20
FBB_D16
FBB_D19
FBB_D17
FBB_D23
FBB_ZQ_1_A
FBB_ZQ_1_B
FBB_CMD2
FBB_CMD5
FBB_CMD6
FBB_CMD8
FBB_CMD7
FBB_CMD12
FBB_CMD11
FBB_CMD3
FBB_CMD4
FBB_CMD1
FBB_CMD10
FBB_CMD11
FBB_CMD3
FBB_VREFC
FBVDDQ
GND
GND
GND
FBVDDQ
GND
FBVDDQ
FBVDDQ
FBVDDQ
1V8_AON
GND
FBVDDQ
1V8_AON
GND
GND
GND
FBVDDQ
FBB_W CKB01
11
FBB_W CKB01#
11
FBB_VREFC
15
FBB_CLK0
11
FBB_CLK0#
11
FBB_D[31:0]
11
FBB_CMD[33:0]
11,15
FBB_W CK23
11
FBB_W CK23#
11
FBB_DBI[3:0]
11
FBB_EDC[3:0]
11
FBB_W CKB23
11
FBB_W CKB23#
11
FBB_W CK01
11
FBB_W CK01#
11
1V8_AON
10,12,13,15,16,17,19,54,55
FBVDDQ
11,12,13,15,19,20,53
GPIO10_FBVREF_ALTV
12,16
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NP500-D02
D02
[14] VGA Frame Buffer B
A3
14
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
[14] VGA Frame Buffer B
A3
14
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
[14] VGA Frame Buffer B
A3
14
59
Monday, February 24, 2020
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
N18P
C599
10u
_4V_X6
S
_06
VRAM
C50
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C633
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C259
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C630
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
M12B
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
C243
1u_
6.3V
_X6S_
04
VRAM
M12C
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
C602
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C260
1u_
6.3V
_X6S_
04
VRAM
R307
*931_1%_04
VRAM
C616
1u_
6.3V
_X6S_
04
VRAM
NC
NC
x16
NC
NC
NC
NC
NC
NC
NC
NC
NC
x8
GND
NORMAL
M12A
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
C600
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C183
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C595
*820p_50V_X7R_04
VRAM
C603
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C180
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C638
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C604
1u_
6.3V
_X6S_
04
VRAM
C185
10u
_4V_X6
S
_06
VRAM
R313
*549_1%_04
VRAM
C246
10u
_4V_X6
S
_06
VRAM
C182
1U_6.
3V_X
6S_04
NV_040
2
VRAM
R310
1K_1%_04
VRAM
C310
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
M12D
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
C636
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C305
10u
_4V_X6
S
_06
VRAM
R353
121_1%_04
VRAM
C48
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
Q28
*2SK3018S3
VRAM
G
D
S
C292
10u
_4V_X6
S
_06
VRAM
C184
1U_6.
3V_X
6S_04
NV_040
2
VRAM
R352
121_1%_04
VRAM
C299
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C288
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C601
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C54
22U_6.
3V_
X
6S_0
8
NV_080
5
VRAM
C252
10u
_4V_X6
S
_06
VRAM
C189
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C635
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C632
1U_6.
3V_X
6S_04
NV_040
2
VRAM
C629
1U_6.
3V_X
6S_04
NV_040
2
VRAM
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 ...