Service manual
Schematic Diagrams
VN896-4 B - 9
B.Schematic Diagrams
VN896-4
Sheet 8 of 41
VN896-4
HSYNC
3.3VS
C291
1000P_50V_06
R217 *1K_04
NB_DDC_CLK 24
VCCDAC1
DVP2D09
3.3VS
DACGND
VD08
GNDPLL
R199 *0_04
VCCPLL1
R193 0_04
Z0810
R235 0_06
VCCDAC2
VD12
DVP2D05
C326
22P_50V_06
DVP2D03
DVP2D04
DVP2D08
NB_RED 24
VCCDAC1
DVPDET
DVP2D00
RN2
*1K_8P4R_06
1
2
3
4 5
6
7
8
L34 HCB1608KF -121T25_06
Z0817
DVP2D07
C265
1U_10V_06
R194 0_04
C293
22P_50V_06
RN4
1K_8P4R_06
1
2
3
4 5
6
7
8
DACGND
GND
FD[0:1:2:3:8:9:11] Re serve d
DVP2D04
DVP2D10
DVP2D06
VD09
P4M900
H11
D10
C11
C10
E10
G10
F11
C9
E8
B7
F9
C7
C6
A5
B9
D9
A9
E11
B10
C8
G13
A7
E13
A13
A12
A16
A15
A14
B16
B15
B14
B13
B12
C14
D14
E14
E12
F12
H12
G12
A11
B11
AC35
C13
H13
B8
A6
D12
N15
N16
N17
P21
P22
P35
U18
U19
U20
U21
U22
U23
U31
U33
V2
V5
V7
V14
V15
V16
V17
V18
V19
V20
V22
V21
V23
V30
V35
W2
W5
W7
W14
W15
W16
W17
W18
W19
W20
W21
W22
W23
Y2
R5
R6
R7
R14
R15
R16
R17
R18
R19
R20
R21
R23
R30
R31
T2
T4
T5
T7
T14
T15
T16
T17
T18
T19
T20
T21
T22
T23
T34
T36
U2
U5
U7
U14
U15
U16
U17
R2
R4
P23
R22
P33
AM1
AM3
AT5
AM6
AL2
AL1
AN6
AT6
AM4
D13
F13
C12
DVP2D00
DVP2D01
DVP2D02
DVP2D03
DVP2D04
DVP2D05
DVP2D06
DVP2D07
DVP2D08
DVP2D09
DVP2D10
DVP2D11
DVPDET
DVP0VS
DVP2CLK
DVP2DE
DVP2DET
DVP2HS
DVP2VS
SPCLK1
SPCLK2
SPD 1
SPD 2
VCCA33DAC1
VCCA33DAC2
VCCA33PLL1
VCCA33PLL2
VCCA33PLL3
GNDAPLL
GNDAPLL
GNDAPLL
GNDADAC
GNDADAC
AR
AG
AB
HSYNC
VSYNC
DISPCLKO
DISPCLKI
ENBLT
ENVDD
BUSY#
RSET
INTA#
GPO0
GPOUT
XIN
VCC33GFX
VCC33GFX
VCC33GFX
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VD08
VD09
VD10
VD11
VD12
VD13
VD14
VD15
VPAR
GND
GND
GND
Z0815
FB7
HCB2012KF-121T30_08
Z0814
Z0816
0: Two 12-bit DVI interf ace
1: One 24-bit Panel
interface
3.3VS
Z0806
R218 10K_04
Z0813
S9 S?
2 1
L37 HCB1608KF -121T25_06
FB8
HCB2012KF-121T30_08
0: From NB(Def ault)
1: From External
3.3VS
C283
1U_10V_06
VD13
R191 0_04
3.3VS
3.3VS
L36 HCB1608KF -121T25_06
RN5
10K_8P4R_06
1
2
3
4 5
6
7
8
Z0802
VSYNC
AGP_BUSY# 17
DVP2D03
0: Ref er Internal PLL(Def ault)
1: From External
3.3VS
NB_VSYNC 24
R196 0_04
3.3VS
VCCPLL3
Z0812
DVP2D07
GUICK2
DVP2D00
R210 4.7K_04
PDVP1H S
SW1_2 FD5 =>Dedicated DVI Port Configuration
GNDPLL
R200 0_04
GND
DVP2D11
DISPCLKO 24
VPAR17
ENAVEE24
VD15
C286
1U_10V_06
S7 S?
2 1
3.3VS
AR
DVP2D02
DACGND
R201 0_04
GNDPLL
Z0809
C325
1U_10V_06
L_BKLTEN 24
DVP2D08
VCCDAC2
DVP2D06
1.05VS
NB_GREEN 24
Z0804
RN3
1K_8P4R_06
1
2
3
4 5
6
7
8
DVP2D11
GNDPLL
FB10
HCB2012KF-121T30_08
DISPCLKI 24
L35 HCB1608KF -121T25_06
GFX power up strapping setting:
DVP2D05
R192 0_04
PDVP1D E
NB_DDC_DATA 24
PCI_INTA#15,19
AR
PDVP1VS
GNDPLL
VD11
VSYNC
Z0801
R195 0_04
NB_BLUE 24
VD14
DVP2D02
C285
1000P_50V_06
RN6
10K_8P4R_06
1
2
3
4 5
6
7
8
HSYNC
AB
SW1_3 FD6 =>Dedicated DVI Port Selection
DVP2D01
C278
22P_50V_06
Z0807
R206
80.6_1%_06
NB_ENAVDD 24
NB_HSYNC 24
C332
1U_10V_06
VCCPLL3
R190 0_04
R198 *0_04
C288
22P_50V_06
SW1_1 FD4 =>Port M uxing
DVP0VS 24
PDVP1C LK
Z0805
GNDPLL
DVP2D09
VCCPLL1
R221 0_04
SW1_5 FD10 =>CPUCK/MCK Clock Se lect
AG
C271
22P_50V_06
Z0803
1.5VS
DISPCLKI
DVP2D10
FB6
HCB2012KF-121T30_08
C784
*47P_50V_04
Z0808
0: Disable
1: Enable
DISPCLKO
DACGND
NB_LVDSCLK 24
C289
1000P_50V_06
BGA5E
P4M900
T24
R24
AE14
AJ10
AJ12
AK10
AK11
AJ11
AJ23
AJ20
AJ19
AG36
AG33
AG31
AG30
AG5
AG4
AG2
Y5
Y6
Y7
Y14
Y15
Y16
Y17
Y18
Y19
Y20
Y21
Y22
Y23
Y30
Y32
Y34
AA2
AA4
AA5
AA7
AA14
AA15
AA16
AA17
AA18
AA19
AA20
AA21
AA22
AA23
AA31
AA33
AA35
AB2
AB4
AB5
AB7
AB14
AB15
AB16
AB17
AB18
AB19
AB20
AB22
AB21
AC2
AC5
AC6
AC7
AC14
AC15
AC16
AC17
AC18
AC19
AC20
AC21
AC22
AC23
AD2
AD5
AD32
AE2
AE5
AE32
AE34
AF2
AF3
AF5
AB23
AJ13
AJ14
AK9
AK12
AK13
AK15
AL8
AL9
AL10
AL11
AL12
AL14
AM7
AM8
AM9
AM10
AM11
AG3
Y36
N22
N23
N24
P24
M17
M18
M19
N18
N19
N20
N21
AJ33
AK17
AK18
AK22
AK32
U24
V24
W24
Y24
AM12
AM13
AN19
AN17
AN13
AN12
AM36
AL33
AL24
AL22
AL19
AL17
AL16
AL15
AK36
AN35
AP2
AP16
AP22
AP24
AR16
AR23
AR35
AT4
AT17
AT20
AT22
AT23
AT11
AT14
AN8
AN9
AN10
AN11
AP8
AP9
AP10
AP11
AR7
AR8
AR9
AR10
AT7
AT8
AT9
AT10
AL3
AL7
AM2
AP3
AP6
AR2
AR6
AN7
AP7
AE16
AE18
AE20
AE21
AE22
VTT
VTT
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
GND
GND
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
GND
GND
GND
GND
GND
VTT
VTT
VTT
VTT
VCC15
VCC15
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
GND
GND
GND
GND
GND
GND
GND
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
VCC15
C329
1000P_50V_06
DVP0VS
L39 HCB1608KF -121T25_06
DVP2DET
R197 0_04
AB
0: TMDS
1: TV
Encoder
VCCPLL2
DVP2D01
3.3VS
VCCPLL2
Z0811
NB_LVDSDATA 24
RN7
10K_8P4R_06
1
2
3
4 5
6
7
8
AG
C276
1000P_50V_06
FB5
HCB2012KF-121T30_08
VD10
SW1_4 FD7 =>GFX Clock Select(VCK/LCDCK/ECK)
R209 22_04