Block Diagram - Video/Audio Section - Sony DVX-100 Service Manual

DVX-100
Q Q
3 7 6 3 1 5 1 5 0
6-2. BLOCK DIAGRAM – VIDEO/AUDIO Section –
A
(Page 21)
B
(Page 21)
ATAPI CONTROLLER
IC551 (1/2)
/CS3
C
(Page 21) 33 NBCS1
/CS1
31 NBCS0
DA2
21 BDA2
DA0
23 BDA0
DA1
22 BDA1
INTRQ
30 BINTRQ
DMACK
29 NBDMACK
10RDY
28 BIORDY
/D1OR
25 NBDI0R
/D1OW
24 NBDI0W
DMARQ
27 BDMARQ
DD0
20 BDD0
DD1
19 BDD1
DD2
18 BDD2
DD3
16 BDD3
DD4
15 BDD4
DD5
14 BDD5
DD6
13 BDD6
DD7
11 BDD7
DD8
10 BDD8
DD9
9 BDD9
DD10
8 BDD10
DD11
7 BDD11
DD12
5 BDD12
DD13
4 BDD13
DD14
3 BDD14
DD15
2 BDD15
T E
L 1 3 9 4 2 2 9 6 5 1 3
(Page 21) D 26 NBRESET
MEMDAT15
MEMADR11
MEMCLK (IN)
MEMCLK (OUT)
w w w
MPEG2 DECODER
IC501 (1/2)
53 DAI IN
NHCS 145 136 NHCS
NHAS 146 137 NHAS
NHBE3 147 138 NHBE3
NHBE2 148 139 NHBE2
NHBE1 150 140 NHBE1
NHINT3 151 127 XINT3
SREQ 152 91 SREQ
NSACK 153 89 NSACK
SD7 154 78 SD7
SD6 155 80 SD6
SD5 156 81 SD5
SD4 157 82 SD4
SD3 158 83 SD3
SD2 159 84 SD2
SD1 160 86 SD1
SD0 161 87 SD0
NRSTOUT2 165 16 MPEGRST
OSCILLATOR
IC555
MCLK 76 5 3
X551
32MHz
2
D/A
CONVERTOR
IC531
ML 141 28 ML DATA 2 62 AODATA0
MC 142 27 MC LRCK 1 65 LRCK
BCK 3 67 BCK
MD 143 26 MD
NRSTOUT3 166 22 RST
LCH 16
RCH 13 R-CH
ZERO 21
XTI 5
16M SDRAM
IC552
2 39
MEMDAT0
3 40
MEMDAT0 117
5 42
ı
112 6 43
109 8 45
ı
9 46
100
11 48
12 49 MEMDAT15
131
MEMADR0 21 20 MEMADR0
ı ı
19
128 24
125 27
ı ı
118 32 MEMADR11
91 35 MEMCLK
92
MEMRAS 95 17 MEMRAS
MEMCAS 96 16 MEMCAS
MEMWE 97 15 MEMWE
x a o
y
MEMUDOM 98 36 MEMUDOM
MEMLDOM 99 14 MEMLDOM
. i
SWITCH
ADOSEL 140
Q101
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GND ISOLATOR AMP SWITCH
IC101 IC102
CDL
5 IN OUT 7 3
CDR
R-CH 3 IN OUT 1 15
7
11
R-CH
16
AODAI 64
ANACOMP 45
Q Q
3 7 6 3
ICK27M 197
DVCO 205
u 1 6 3
.
22 22
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2 4
8 9 9
5
13
LINE AMP
IC105
2
2
MUTING MUTING
Q103 Q153
6
MUTING
CONTROL SWITCH
Q102, 104
BUFFER
IC541
1
VIDEO
AMP DRIVER
IC181 IC183
FLT181
FILTER 2 7 4 IN
1 5 1 5 0 8 9 2
VIDEO
DRIVER
IC182
4 IN
1
SWITCH
Q181
BUFFER OSCILLATOR
IC505 IC503
2
4 24 27M XO 9
1
X501
27MHz
XI 8
SWITCH
IC504
1 CH0 7 20 16.9344M
CH1 6 22 36.864M
A 5 23 CTRL
• R-CH is omitted due to same as L-CH.
m
• SIGNAL PATH
: DIGITAL OUT
c o
: VIDEO
: AUDIO
2
8 9 9
CS151 (1/4)
LOL
(L)
(AUDIO OUT)
CS151 (2/4)
LOR
(R)
CS001 (1/2)
(DIN)
LCH
1 7 LCH
TO
FM MODULATOR
RCH (RF UNIT)
7 6 RCH
MUTING MUTING
Q155 Q105
F
(Page 23)
OPTICAL
OPTICAL
4 TRANSCEIVER
DIGITAL
CS541
OUT
CS151 (3/4)
VIDEO OUTPUT
OUT 2
REAR
4 9 8 2 9 9
CS151 (4/4)
VIDEO OUTPUT
OUT 2
FRONT
D181
CS002
PARKING BRAKE
G (Page 23)