JVC VS-DT2000 Service Manual page 24

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