Toshiba MD20FM1R Service Manual page 46

Color television/dvd video player
Table of Contents

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A
B
DSP SCHEMATIC DIAGRAM
(DVD PCB)
8
7
W842
C2002
0.1 B
6
P.CON+A5V
FROM/TO MOTOR DRIVE
SPD
SLD
TD
FD
SPD_FG
5
VREF
P.CON+A5V
FROM/TO READ CHANNEL
VREF
TOST
FOST
BOOT3T
RFVCA
TBAL
4
C2009
0.1 B
FBAL
R2001
100K
SGC
R2002
33K
ADPH
C2010
XHTR
BH
VREF
6.3V
220
KA
BHDC
RFP
RFN
TOST
ADWO
FOST
ADTE
BOOT3T
RFVCA
TE
TBAL
ADFE
FBAL
3
ADRREC
SGC
DEFECTO
DEFECTI
ADBCA
LDON1
CDX4
CDX2
LDON2
DPD_TE
XQBH
DEFINH
DEFINH
CDX2
CDX4
2
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-7
C
0
4.3
4.3
4.3
4.3
0
4.3
4.3
44
43
42
41
40
39
38
1
2
3
4
5
6
7
5.0
4.2
4.5
4.5
4.3
5.0
4.5
JV
NC
NC
NC
NC
NC
NC NC NC NC
TP2001
208
207
206
205
204
203
202
201
200
199
198
197
196
195
194
193
192
191
190
189
188
187
186
185
184
2.5
RFPI
2.5
TESTIO
4.9
DVDD2
0
DVSS
BH
2.5
AD5
TE
2.5
AD4
ADWO
2.5
AD3
ADBCA
2.5
AD2
0.3
AD1
ADRREC
3.2
AD0
ADPH
3.2
RF PH
BHDC
2.3
RF BH
ADTE
2.5
TE
ADFE
0.1
FE
0
TEST0
RFP
C2017
2.5
EFMINP
470P CH
0
TEST1
RFN
C2018
2.5
EFMINN
470P
CH
2.5
SLCLPF0
C2019
0.1 B
2.5
SLCLPF1
2.5
SLCO1
2.5
SLCO2
5.0
AVDD1
0
AVSS
2.5
VREF
C2020
0.001 B
2.5
SLCBIAS
2.5
TP2004
TESBIAS
2.4
TP2002
HFLBIAS
R2006
1K
2.5
OFSET
R2007
1K
2.5
BCATH
R2008
1K
2.4
BOOT3T
R2009
1K
3.0
RFVCA
2.5
TBAL
R2010
1K
2.4
FBAL
R2011
1K
2.6
SGC
SLD
2.5
SLDO
53
DVSS
103
AVSS
SPD
2.3
SPDO
TD
2.6
54
HWAITB
104
AVDD3
TDO
FD
2.5
FDO
55
HIRQB
0
DVSS
3.3
DVDD0
SPD_FG
2.2
FG
R2012
10K
3.3
EVENT
R2013
10K
2.0
HFLIO
0
PP0
0.1
PP1
0
PP2
3.1
PP3
WRQ
2.7
WRQ
3.2
TP2005
HFBUSYB
3.3
TP2003
HBUSYB
3.3
DVDD3
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 89 90 91 92 93 94 95 96 97 98 99
R2064
DVDRST
220
C
D
E
NC
4.3
4.3
0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
37
36
35
32
31
30
29
28
27
26
25
24
8
9
10
13
14
15
16
17
18
19
20
21
0.1
0
0
4.5
4.3
4.3
NC
NC
5.0
5.0
NC
5.0
5.0
5.0
5.0
5.0
183
182
181
180
179
178
177
176
175
174
173
172
171
170
169
168
167
166
165
164
163
162
161
160
159
158
157
0
JVRVO
0
JVAIN
1.4
R2035
JVAO
0
JVCPC
2.6
R2036
JVCP1
0
AVSS
53
DEFECT1
157
AVDD4
5.0
AVDD2
0.5
R2042
AVDD2
54
DVSS
158
AVSS
0
R2043
CDFR
1.9
R2044
55
DVDD1
FISET
1.7
R2045
PISET
2.9
PCN
NC
0.4
LF3
NC
0
LF2
0.3
C2031
LF1
2.0
FPDO
2.0
PPDO
2.0
VCOCTL
0
DVSS
3.3
DVDD0
1.5
R2037
PCK
1.6
LEFM
1.6
EFMOUT
0
DVSS
3.3
DVDD4
0
SPDIF-CD
DOUT
0
EMPH
3.3
CDFRM
LRSY
0
CDCLK
ROMCK
DSP IC
0
CDDATA
ROMXA
IC2001
3.3
CDERR
C2F
LC78661W
2.0
DVDDAT7
AVD7
1.6
DVDDAT6
AVD6
1.6
DVDDAT5
AVD5
2.0
DVDDAT4
AVD4
2.0
DVDDAT3
AVD3
2.0
DVDDAT2
AVD2
2.0
DVDDAT1
AVD1
2.0
DVDDAT0
AVD0
3.3
DVDD4
0.1
DVSS
3.3
DVDERR
AVERRB
3.3
DVDSOS
AVSCTB
1.7
DVDSTB
AVDACK
2.3
DVDVALID
AVACKOI
0.1
DVDREQ
AVREQIO
0
PP7
3.3
PP6
3.3
DVDD6
R2046
1.6
XOUT
1.6
XIN
0
DVSS
100
101 102 103 104
R2031
R2033
10K
220
C2030
TP2006
TP2022
TP2012 TP2023
0.1
B
D
E
F
G
0
23
B2003
FCM2012H-102T04
22
C2043
27K
C2034
0.01 B
10K
150P CH
C2035
0.1
B
1.2K
C2049
0.1 B
1.8K
22K
C2036
0.1 B
22K
C2038
0.1 B
R2052
1.2K
0.1 B
R2054
680
22
TP2015
TP2013
TP2014
TP2018
LDON2
R2038
10K
R2039
10K
LDON1
150
C2039
X2001
15P CH
7
C2040
100CT01604
15P CH
C2037
0.1 B
C2032
0.1 B
8
W810
16MHZ
F
G
H
8
FROM/TO SYSCON1
D
GND
GND[A]
P.CON+D5V
P.CON+A5V
AT+3.3V
HD7
HD6
HD5
7
HD4
HD3
HD2
HD1
HD0
HA12
HA11
HA10
HA9
HA8
HA7
HA6
HA5
HA4
HA3
HA2
HA1
HA0
6
WR
RD
RDY
DVDRST
WRQ
DVDCS
DVDIRQ
5
TO AUDIO/VIDEO
SPDIF-CD
FROM/TO MPEG
4
DVDSTB
DVDSOS
DVDERR
DVDVALID
DVDREQ
DVDDAT0
DVDDAT1
DVDDAT2
DVDDAT3
DVDDAT4
DVDDAT5
DVDDAT6
3
DVDDAT7
CDERR
CDFRM
CDCLK
CDDATA
AMCLK
2
PCB130
VMB261
1
H
G-8

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