JVC XV-S300BK Service Manual page 32

XV-S300BK/XV-S302SL
MN101C35DLD (IC701) : System controller
Pin function
Symbol
Pin No.
1
DDATA
2
DACOCS
3
DCLK
4
MUTE1
5
VIDEO SW
6,7
MODE 1,2
8
VDD
9
OSC2
10
OSC1
11
VSS
12
XI
13
XO
14
MMOD
15
VREF-
16
POWER SW
17
NTSEL
18
RGB/YC SW
19
S/COMPO
20
AIN0
21
AIN1
22,23
TEST0,1
24
VREF+
25
RGBSEL
26
RESET
27
AVCO
28
AVCI
29
POWERON
30
TCLOSE
31
TOPEN
32
/LMMUTE
33
SWOPEN
34
SWUPDN
35
REMO
36
NC
37
REQ
38
NC
39
S2UDT
40
U2SDT
41
SCLK
42
BUSY
43
CPURST
44
NC
45
VS3
46
VS1
47
MUTE
48
STANDBYIND
49~51
NC
52~64
13G~1G
65~88
S24~S1
89~99
NC
100
VPP
1-32
I/O
O DAC control data
O DAC control chip select
O DAC control clock
O Muting signal to IC601
I Component / S-Video switch input
O Output mode switch
Power supply +B 5V
-
Oscillation terminal 8MHz
O
Oscillation terminal 8MHz
I
Connect to ground
-
Unused, Connect with ground
-
Non connect
-
Connect to ground
-
Connect to ground
-
Key input (power)
I
NTSC/PAL switch input
I
RGB/YC Switch input
I
S/COMPONENT Switch input
I
Key input (S831~S835)
I
Key input (S821:open/close)
I
Not used
-
Power supply +B 5V
-
RGB select control (H:RGB L:other)
O
Reset input
I
AV COMPULINK output
O
AV COMPULINK input
I
Power ON output
O
Tray close control output
O
Tray open control output
O
Tray muting output (L:muting)
O
Detection switch of tray open/close (L:open/close)
I
Detection switch of traverse mechanism up/down (H:UP L:DOWN)
I
Remote control interruption
I
Non connect
-
Communication between unit microcomputers request
I
Non connect
-
Communication between unit microcomputers DATA output
O
Communication between unit microcomputers DATA input
I
Communication between unit microcomputers CLK
O
Communication between unit microcomputers BUSY
O
Unit microcomputers reset
O
Non connect (Connect to ground)
-
S3 control (Function identification)
O
S1 control (Function identification)
O
O Muting output
O LED control signal output (D801:standby)
- Non connect
O FL grid control signal output
O FL segment control signal output
- Non connect
- -VDISP (apply -35V)
Description