JVC RX-DV31SL Service Manual page 62

6.40 MN101C49GMM1 (IC761) : System control micon
• Pin Layout
100
1
25
26
• Pin function
Pin No. Symbol
1 GND
2 NTSC/PAL
3 VCR S/C
4 DBS S/C
5 SAFETY
6 TH
7 OUTPUTLEVEL
8 VSR IN
9 DBS IN
10 VREF+
11 VDD
12 OSCOUT
13 OSCIN
14 GND
15 GND
16 NC
17 GND
18 DI DO
19 DI DI
20 DI CLK
21 S2UDT
22 U2SDT
23 SCLK
24 INTP
25 CPURST
26 CS
27 GND
28 PROTECT
29 NC
30 DI BUSY
31 HPSW
32 VDD2/FLASH-VDD
33 RESET IN
34 DSP RST
35 DSP RDY
36 AVC OUT
37 AVC IN
1-62 (No.22023)
76
75
51
50
I/O
- Ground
I NTSC/PAL discrimination switch (RBG switching discrimination)
I VCR S/Composite detection
I DBS S/Composite detection
I Short detection
I Short state and heat sink temperature detection
I Output level detection
I VCR voltage detection
I STB voltage detection
- Reference voltage
- Power supply
O 8MHz crystal output
I 8MHz crystal input
- Ground
- Ground
- Not connect
- Ground
O Panel control serial communication DATA OUT
I Panel control serial communication DATA IN
O Panel control serial communication CLOCK
O PANTERA serial communication DATA OUT
I PANTERA serial communication DATA IN
I PANTERA serial communication CLOCK
O PANTERA communication transmitting request
O PANTERA reset
I PANTERA communication receiving request (Interrupt)
- Ground
I Speaker protect detection
- RDS communication STROBE (Interrupt), connect to ground
I Panel control communication busy
I Headphone detection
- Flash memory writing power supply port
I System control reset input
O DSP micon reset output
O DSP micon ready
O AV compulink output
I AV compulink input
Function