Video/Audio Block Diagram (Hdd) - JVC HM-HDS1EK Service Manual

Hdd & s-vhs video recorder
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4.38

VIDEO/AUDIO BLOCK DIAGRAM (HDD)

DIGITAL (VIDEO AD/DA, AUDIO AD/DA, MPEG DEC, MPEG ENC, ASIC IF )
5
0
5
TO
VHS MAIN
(AUDIO I/O)
IC8802
CN2601
CN8801
IC8803
R
R
A_OUT(R)
2
AMP
L
L
A_OUT(L)
4
R
A_IN(R)
6
4
L
A_IN(L)
8
TO
JIG
(For ADJ.)
CN8202
2
TXD
3
3
RXD
CTS
4
RTS
5
TO
VHS MAIN
(VIDEO I/O SW)
TL8602
CN703
CN8601
Y_OUT
Y
Y_OUT
1
TL8601
C_OUT
C
C_OUT
3
2
TL8603
Y_IN
4
V/Y_IN
Y
C_IN
6
TL8604
C_IN
C
TO
SYSCON
CN3014
CN8002
KBUS_CLK
4
KBUS_DATA_IN
6
1
A
B
IC8206
IC8207
IC8204
D0 - D7
Q0 - Q7
A4 - A19
D0 - D15
IC8801
D-LATCH
FLASH ROM
20
AOUTR
DIGITAL AUDIO
15
SDTI
D/A
19
12, 13, 15
IC8202
AOUTL
16, 18, 20
IC8203
21, 25, 26
3
AINR
28, 29, 30
20 - 26
14
12
29 - 35
SDTO
A0 - A11
A/D
6
BA0, BA1
2, 3, 5, 7 - 9
43, 45, 46, 48
AINL
2, 4, 5, 7
50 - 52, 54 - 56
16 bit
8, 10, 11, 13
58 - 61, 63, 64
ADC & DAC
42, 44, 45, 47
227, 229, 231, 232
32
48, 50, 51, 53
234 - 236, 238 - 240
DQ0 -DQ15
AUDIO AD/DA
SDRAM
OUTC0 - OUTC3
OUTY0 - OUTY3
DIGITAL AUDIO
IC8404
IC8405
2, 3, 5, 6,
47,48,50-60
IC8601
8, 9, 11, 12
63-65,67-76
39, 40, 42, 43
79-81,83-85
16
45, 46, 48, 49
DQ0 - DQ15
38 - 41
C
19 - 24
7
CSI0 - CSI3
12
27 - 32
YSOUT
BA,A0 - A10
42 - 45
Y
YSI0 - YSI3
80
SDRAM
COUT
4 DVIDEO0 - DVIDEO3
12
26 - 29
C
CSO0 - CSO3
VYIN
4 DVIDEO4 - DVIDEO7
32 - 35
Y
YSO0 - YSO3
18
DIGITAL VIDEO
CIN
54
CLK
VIDEO AD/DA
ENDEC
C
D
16
IC8201
MPEG DEC
136 - 139, 141 - 144, 146
148 - 153, 155, 157, 158
14, 15, 18 - 33
163 - 168, 172 - 176, 178 - 180
32
37, 38, 40 - 46
AD0 - AD31
126 - 131
DIGITAL VIDEO
8
133, 134
71 - 78
VIO0 - VIO7
74
AOUT0
217, 219 - 223
MPEG-2 STREM DATA
225, 226
8
200 - 207
DVD0 - DVD7
IC8002
2, 3, 5, 6,
32, 33
8, 9, 11, 12
MA0 - MA13
158 - 170
39, 40, 42, 43
16
45, 46, 48, 49
175 - 177
DQ0 - DQ15
185 - 189
20 - 24
11
27 - 32
192 - 197
A0 - A10
MD0 - MD31
SDRAM
93
TL8214
TXD0
IC8210
94
RXD0
98
2
6
95
CTS0
CXI
96
1
7
RTS0
BUFF
27MHz
4
109 - 112
C
102, 103
DIGITAL VIDEO
4
107, 108
Y
STDATA0 - STDATA7
8
90 - 97
IC8401
MPEG-2 PS DATA
MPEG ENC
4 - 7
10 - 13
200
ADATA
STDATA0 - STDATA7
IC8402
IC8403
134 - 140
2, 3, 5, 6,
143 - 149
8, 9, 11, 12
151 - 156
39, 40, 42, 43
159 - 165
16
45, 46, 48, 49
167 - 172
SDDATA0 -SDDATA31
DQ0 - DQ15
D[0] - DQ[30]
183 - 188
19 - 24
12
27 - 32
191 - 196
101 - 107
A0 - A10,BA
SDARDS0 - SDARDS11
111 - 115
ADRS[2] - ADRS[13]
SDRAM
132
VCLK
119 - 122
DVIDEO0 - DVIDEO3
26
MCLKI
123 - 126
DVIDEO4 - DVIDEO7
E
4-77
4-78
IC8001
ASIC_IF
HARD DISK DRIVER
136, 137
IDE IF
140 - 154
DO[0] - DO[15]
CN8001
AD0 - AD31
DD7
3
3
DD8
4
4
DD6
VIO0 - VIO7
5
5
DD9
6
6
DD5
7
7
DVD0 - DVD7
DD10
8
8
DD4
9
9
DD11
10
10
SYSTEM
DD3
CLOCK
11
11
DQ[0] - DQ[15]
DD12
X8001
12
12
50
(27MHz)
DD2
A[0] - A[10]
13
13
DD13
14
14
DD1
59
15
15
DD14
16
16
DD0
17
17
DD15
18
18
TL8011
54
CLK27M
OUTC0 - OUTC3
OUTY0 - OUTY3
118
HOSTDATA
STDATA0 - STDATA7
117
HOSTCLK
F
G
E. & O. E. No. 82887
H
( Sanwa ) -V13HV4

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