JVC CA-VSDT2000R, Service Manual

Page: 24 / 81

VS-DT2000
1-24
1. Terminal layout
MN101C30AKJ1 (IC701) : System control microcomputer
1
16
48
33
64 49
17 32
2. Pin function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
THERM
KEY1
KEY2
VERSION
GND
VREF+
VDD
OSC2
OSC1
VSS
XI
XO
GND
CDTX
CDRX
FLRST
FLDATA
FLCS
FLCLK
STBLEDH
RST
STBLEDV
FTU
TUDATA
TUST
TUCK
MPX
RDSCK
RDSI
REM
GND
SMUTE
AHB
VOLDI
VOLCE
VOLCL
LOMUTE
TREMCONT
H-V
I
I
I
I
-
-
-
O
I
-
I
O
-
O
I
O
I/O
O
O
O
I
O
O
I/O
O
O
I
-
-
I
-
O
O
O
O
O
O
I
-
I
Temperature detection, ON/OFF control of FAN_SW signal(pin 57)
Key switch input of the main body
Key switch input of the main body
Switching signal for destination
Ground
Reference voltage for A/D converter (Connect to VDD.)
Power supply for microcomputer
8MHz main clock output
8MHz main clock input
Ground for microcomputer
32.768kHz sub clock input
32.768kHz sub clock output
Ground
CD(FMU-F1) communication
CD(FMU-F1) communication
FL reset output
FL driver communication data input/output
FL driver communication chip select output
FL driver communication clock output
Standby LED for horizontal establishment (POWER_OFF/ON=H)
Microcomputer reset input
Standby LED for vertical establishment (POWER_OFF/ON=H)
Power supply for tuner
PLL input/output data (Connect to tuner.)
PLL strobe output (Connect to tuner.)
PLL clock output (Connect to tuner.)
Stereo detection (Connect to tuner.), STEREO=L
Not use
Not use
Remote controller input
Ground
Mute signal, MUTE=L
Bass boost, ON=L, POWER_OFF=L
Data output (Connect to VOLUME_IC.)
Enable output (Connect to VOLUME_IC.)
Clock output (Connect to VOLUME_IC.)
Line out mute signal, MUTE=L
Remote controller effective signal for horizontal establishment, L : effective state
Connect to ground
Detecting signal for horizontal or vertical establishment
Pin No. Symbol I/O Function