JVC MX-J570V, Service Manual

Page: 63 / 112

MX-J570V/MX-J680V
1-63
1
2
3
4
5
6
7
8
9
10
11
12
13~16
17
18
19
20
21
22
23
24
25
26~33
34
35~41
42
43
44~47
48~53
54
55~57
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
84~91
92
93~100
DVDWAIT
OE
WE
ROMCS
RAMCS
DVDCS
BREQ
DVDRST
WORD
HA0~3
VDD
SYSCLK
VSS
XI
XO
VDD
OSCI
OSCO
MODE
HA4~11
VDD
HA12~18
HA19
VSS
HA20~23
VDD
ENCRST
PAL60
N/PAL
VSS
VCDEMP
HREQ
HRDY
VDD
SRCLK
M2HDAT
H2MDAT
SBT1
SBI1
SBO1
MREQ
DVDINT
ADSEP
RESET
VDD
VSS
HD0~7
Wait signal input from
IC106
Read Enable input
Non connect
Write enable signal output
Chip select signal output
(ROM)
Non connect
Non connect
Chip select signal output
(AV decoder)
Power supply
Reset signal output to IC101
Non connect
Connect to ground
Host address bus terminal
Power supply
Non connect
Connect to ground
Connect to ground
Non connect
Power supply
Oscillation terminal(1MHz)
Oscillation terminal(1MHz)
Connect to ground
Host address bus terminal
Power supply
Host address bus terminal
Non connect
Connect to ground
Non connect
Non connect
Power supply
Non connect
Reset signal output to IC152
Normal PAL60 at PAL mode
Select NTSC/PAL mode
Connect to ground
Non connect
Non connect
Request signal output to
IC251
Ready signal output to IC251
Power supply
Data clock input
Mecha to host micom
data port
Host to mecha micom
data port
Power supply
Connect to ground
Non connect
Pull up
Pull up
Power supply
Request signal input
from IC251
Non connect
Interrupt from AV decoder
Non connect
Power supply
Reset signal input
Power supply
Non connect
Connect to ground
Host data bus terminal
I
I
-
O
O
-
-
O
-
O
-
-
O
-
-
-
-
-
-
I
O
-
O
-
O
-
-
-
-
-
-
O
O
O
-
-
-
O
O
-
I
I
O
-
-
-
-
-
-
I
-
I
-
-
I
-
-
-
I/O
Pin No. Symbol I/O Description Pin No. Symbol I/O Description
MN102L490A (IC103) : VCD Host micom
1
25
75
51
26 ~ 50
100 ~ 76
~ ~
1.Pin layout
2.Pin function