Toshiba SD-V280UA Service Manual page 105

A B
8
7
FROM/TO DSP
DVDSTB
DVDSOS
DVDERR
DVDVALID
DVDREQ
DVDDAT0
DVDDAT1
C4001
DVDDAT2
0.1 F
DVDDAT3
DVDDAT4
6 CDERR
DVDDAT5
CDFRM
DVDDAT6
DVDDAT7
CDDATA
AMCLK
CDCLK
CDERR
CDFRM
CDCLK
CDDATA
D
GND 2
C4002
0.1 F
5
1.9V REG.
IC4006 PQ070XZ01ZP
C4003
0.1 F
HD7
HD6
C4004
6
1 2 3 4 5
C4038
0.1 F
5.1 5.1 1.9 1.2 0 HD5
0.1 F
R4029
HD4
1K +-1%
HD3
HD2
4
HD1
HD0
C4043
C4005
16V 100 KA
0.1 F
HA4
C4041
HA3
16V 100 KA
HA2
C4044
HA1
0.1 F
FROM/TO SYSCON1 WR
MPGCS#
HD7
3
HD6 C4006
HD5
HD4 0.1 F
RD
HD3
HD2
HD1
HD0
HA4
HA3
MPGIRQ#
HA2
HA1 C4007
WR
MPGCS# 0.1 F
RD
MPGIRQ#
MPGRST
AT+3.3V
B4004
P.CON+D5V
2 D FCM2012H-102T04
GND
1
A B
H-1
C
MPEG SCHEMATIC DIAGRAM
R4012
4.7K
MPEG_+1.9V
NC
NC
0 2.0 2.0 1.9 2.2 2.1 1.9 1.9 1.9 2.8 1.61 2.8 3.27 3.27 0 1.2 0
160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144
0
0
HWIO
3.27
VDDP
1 H0RD
3.27
HTYPE
3.26
HD15
0
HD14
0
HD13
0
HD12
R4023
2.7
HD11
4.7K 0
GND
R4024
3.24
HD10
4.7K
1.84
VDOC
R4025
3.24
HD9
4.7K
0
GND
R4026
3.24
HD8
4.7K
3.24
VDOP
2.1
HD7
0.9
HD6
3.2
VDDIP
0.7
HD5
1.5
HD4
1.2
HD3
1.5
HD2
1.4
HD1
1.5
HD0
3.24
VDDP
2.7
HA3
1.5
HA2
1.3
HA1
1.7
HA0
3.28
HWR
3.28
HCS
1.89
VDDC
1.2
HRD
0
GND
0.2
HROY
3.28
HIRQ
3.24
VDDP
40 GND
2.67
NC HACK
0
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57
0.8 0.3 0.3 3.24 0.7 0.3 0.8 0.3 0 0.8 0.2 3.24 1.9 0.3 0.8 0 0.3 3.24 3.1
RAM_CS1
TP4006
C
D E
(DVD PCB)
W818
C4037
0.1 F
W829
NC NC NC
0 1.89 1.62 3.24 1.02 0 0 1.0 3.24 3.24 0 0 1.63 3.24 0 0 1.18 3.24 0 3.27 0 3.24 1.83
143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122
PLLCFG0
120 GCLK
ICEMODE
MPEG CVBS-G-Y
IC4001
ZR36732
81 RDA12
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
3.1 3.2 3.2 1.88 0 0 1.7 3.24 0.9 0 1.5 3.24 0.9 0 0.8 0.9 1.2 3.24 1.5 1.5
D E
F G
C4039
0.1 F
GND
GND
GND
MPEG_AT+3.3V
4
TP4007
27MHZ
C4012
121
3P CH
1.38
1
1.63
X0
0
1.35
GCLK1
C4024
1.88
VDDC
0.1 F
0
PLLCFG
0
GND
R4007
0
AIN
R4006 10K
0.9
10K FROM/TO AUDIO/VIDEO
0
V_REF
VREF 3
0
VGND
1.23
VGND
R4008
0
RSET
820 +-1%
1.26
VGND
0.6
DAC_C
C-B-U
0.6
DAC_B
Y-R-V
R4013
3.2 W806
VDDD
12K
0.6
DAC_D
CVBS-C
0.3
DAC_A
0
VGND
0.3 C4027
CSYNC NC
0.1 F
3.2
VDDIP
C4028
3.24
VDDP
FROM/TO MEMORY
0.1 F
0
GND
1.65
C4029_1
FI NC
3.0
6.3V 47 KA
HSYNC NC
C4030
3.24
VDDP
0.1 0.1 F
VSYNC NC
C4031
1.65
VCLK
NC 0.1 F
1.5
MD0
RDA0
0.9
MD15
RDA15
C4032
3.24
VDDP
0.1 F
0.9
MD1
RDA1
0.6
MD14
RDA14
0
GND
1.2
MD2
RDA2
1.2
MD13
RDA13
C4033
3.24
VDDP
0.1 F
1.5
MD3
RDA3
1.8
MD12
80
0
R4009
B4001
22 FCM2012H-102T04
C4017
MPEG_AT+3.3V
6.3V 150 ZL
NOTE:THE DC VOLTAGE EACH PART WAS
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F G
H
8
7
6
SPDIF-DVD
AMCLK
ABCLK
ALRCLK
ASDATA0 5
CS
DAC_A
DAC_B
DAC_C
DAC_D
G_DAC
4
MA4
MA3
MA5
MA2
MA6
MA1
MA7
MA0
MA8
MA10
MA9
MA11
MCS0#
MRAS#
MPCLK
MCAS#
3
MWE#
MDQM
MD8
MD7
MD9
MD6
MD10
MD5
MD11
MD4
MD12
MD3
MD13
MD2
MD14
MD1
MD15
MD0
2
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
1
PCB130
VMB261
H
H-2