Technics RS-DV290EG Service Manual page 238

SCHEMATIC DIAGRAM-3
B
DVD MODULE(SODC) CIRCUIT
B
To DVD MODULE
(VIDEO DAC) CIRCUIT on
H
DB4 D+1.8V
SCHEMATIC DIAGRAM-5/1-E
DG1 D.GND
B
To DVD MODULE
(VIDEO DAC) CIRCUIT on
DB1 D+3.3V
SCHEMATIC DIAGRAM-5/1-D
DG1 D.GND
B
To DVD MODULE
G
(CPU) CIRCUIT on
SC32 ODCIRQ
SCHEMATIC DIAGRAM-7/1-G
SC31 ADSCIRQ
SCHEMATIC DIAGRAM-7/1-F
SC27 WAIT
SC26 CPUADR17
SC25 CPUADR16
SC24 CPUADR15
SC23 CPUADR14
SC22 CPUADR13
SC21 CPUADR12
SC20 CPUADR11
F
SC19 CPUADR10
SC18 CPUADR9
B
To DVD MODULE
(CPU) CIRCUIT on
SCHEMATIC DIAGRAM-7/12-E,F
SC17 CPUADR8
SC16 CPUADR7
SC15 CPUADR6
SC14 CPUADR5
SC13 CPUADR4
SC12 CPUADR3
SC11 CPUADR2
SC10 CPUADR1
SC9 CPUADR0
E
B
To DVD MODULE
SC30 NSODCCS
(CPU) CIRCUIT on
SC29 NWEL
SCHEMATIC DIAGRAM-7/1-F
SC28
SC8 CPUDT7
SC7 CPUDT6
SC6 CPUDT5
SC5 CPUDT4
SCHEMATIC DIAGRAM-7/12-B
SC4 CPUDT3
SC3 CPUDT2
SC2 CPUDT1
SC1 CPUDT0
SCHEMATIC DIAGRAM-7/1-H
FS18 NRST
D
B
To DVD MODULE
(FEP) CIRCUIT on
FS29 OFTR
SCHEMATIC DIAGRAM-2/12-A
FS28
C
FS21 FEPDATA
SCHEMATIC DIAGRAM-2/1-A
FS20 FEPCLK
FS19 FEPENB
SCHEMATIC DIAGRAM-2/1-D
FS38 FGENB
B
To DVD MODULE
(VIDEO DAC) CIRCUIT on
VD9 TRV-SW+
SCHEMATIC DIAGRAM-5/12-B
FS14
B
To DVD MODULE
(FEP) CIRCUIT on
SCHEMATIC DIAGRAM-2/1-B
B
FS15
B
To DVD MODULE
(FEP) CIRCUIT on
FS8
SCHEMATIC DIAGRAM-2/1-C
FS5 GAINH/L
FS16 DTRD
SCHEMATIC DIAGRAM-2/1-B
FS17
FS26 TSTSG
SCHEMATIC DIAGRAM-2/12-C
FS37 VFO SHORT
B
To DVD MODULE
A
(AUDIO DAC) CIRCUIT on
SCHEMATIC DIAGRAM-6/12-C
SA1 CLK16M1
1
L2021
10 H
L2002
10 H
L2001
10 H 1.8V
3.3V
1 NINT0
3.3V
2 NINT1
C2003 0.1 3.3V
3 V
4 V
3.3V
5 NINT2
R2036 0
3.3V
6 WAITODC
7 NMRST
8 DASPST
(1.8V) 2.7V
9 CPUADR17
(1.6V)
2.4V
10 CPUADR16
(2V)
2.6V
11 CPUADR15
(3.3V)
2.8V
12 CPUADR14
(1.8V)
2.5V
13 CPUADR13
(2.2V)
2.8V
14 CPUADR12
(2.3V)
2.8V
15 CPUADR11
(2.2V)
2.6V
16 CPUADR10
(1.7V)
2.5V
17 CPUADR9
C2004 0.1 1.8V
18 V
19 V
C2005 0.1 1.8V
20 DRAMV
21 DRAMV
(1.9V)
2.6V
22 CPUADR8
(2.2V) 2.7V
23 CPUADR7
(2.2V)
2.9V
24 CPUADR6
(2.2V)
2.7V
25 CPUADR5
(2.2V)
2.9V
26 CPUADR4
(2V)
2.8V
27 CPUADR3
(2.2V)
2.9V
28 CPUADR2
(2.1V)
2.9V
29 CPUADR1
(1.2V)
2.3V
30 CPUADR0
C2006 0.1
3.3V
31 V
32 V
C2007 0.1 3.3V
33 DRAMV
3.3V
34 NCS
3.3V
35 NWR
(2V)
2.8V
NRD 36 NRD
(2.4V) 3.1V
37 CPUDT7
(2.3V)
3.1V
38 CPUDT6
(2.4V)
3.1V
39 CPUDT5
3.1V
40 CPUDT4
(2.3V) 3.1V
41 CPUDT3
(2.4V) 3.1V
42 CPUDT2
(2.3V)
3.1V
43 CPUDT1
(2.3V)
3.1V
44 CPUDT0
BDO
D2001
MA728TX
R2026
22K
TBAL
R2028
56K
FBAL
FG
IDGT
K2004
0
2 3
:POSITIVE VOLTAGE LINE
176 175 174 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159
3
DD
SS
18
DD
SS
18
DD
IC2001
SS
MN103S26EGA
OPTICAL DISC CONTROL
3
DD
SS
33
DD
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88
3.3V
1.8V
R2025
22K
R2027
56K
4
:AUDIO/VIDEO SIGNAL LINE
C2014 C2016
0.1 0.1
158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138
PLAY
0.5 s. 0.2V/DIV.
3.5V
P-P
0.5 s. 1V/DIV.
5
3.3V
137 136 135 134 133
3.3V
NTRYCL 132
3.3V
NEJECT 131
MONI3 130
MONI2 129
MONI1 128
MONI0 127
V 126
SS
3.3V
V 3 125
DD
TECAPA 124
1.2V
AD6/CAPAC1 123
1.7V
AD5/CAPAC2 122
2.4V
AD4 121
1.7V
AD3 120
1.7V
AD2 119
1.7V
AD1 118
1.7V
AD0 117
3.3V
AV 116
DD
1.7V
DAC1 115
1.7V
DAC0 114
AV 113
SS
0.3V
2.1V
JITOUT 112
P-P
1.6V
ARF 111
1.6V
NARF 110
3.3V
AV 109
DD
1.7V
DSLF1 108
1.4V
DSLF2 107
1.7V
VHALF 106
PLPG 105
2.2V
VREFH 104
1.5V
RVI 103
AV 102
SS
0V (1.3V)
PLFLT1 101
0V (1.3V)
PLFLT2 100
3.3V
AV 99
DD
1.7
RFDIF 98
1.4V
CSLFLT 97
1.7V
HPFIN 96
1.7V
HPFOUT 95
AV 94
SS
0V
LPFIN 93
0V
LPFOUT 92
1.6V
CMPIN 91
1.6V
TRCRS 90
0V
VCOF 89
C2053
0.1
RA2022
4.7K
R2023
7.5K
R2022
7.5K
6 7