JVC RX-7030VBK Service Manual page 29

4.14 MM101C49GMG (IC901) : System control
• Pin layout
100
1
25
26
• Pin function
Pin No. Symbol
1 VREF-
2 AN0/PA0
3 AN1/PA1
4 AN2/PA2
5 AN3/PA3
6 AN4/PA4
7 AN5/PA5
8 AN6/PA6
9 AN7/PA7
10 VREF+
11 VDD
12 OSC2
13 OSC1
14 VSS
15 XI
16 XO
17 MMOD
18 SBO0/P00
19 SBI0/P01
20 SBT0/P02
21 SBO2/P03
22 SBI2/P04
23 SBT2/P05
24 NDK/BUZZER/P06
25 SYSLK/P07
26 P20/IRQ0
27 P21/IRQ1/SENS
28 P22/IRQ2
29 P23/IRQ3
30 P24/IRQ4
31 P25/IRQ5
32 P26
33 P27/NRST
34 P10/TM0IO
35 P11/TM1IO
36 P12/TM2IO
37 P13/TM3IO
38 P14/TM7IO
39 P15
40 P16/TM4IO
41 P17
42 P30/TXD1/SBO1
43 P31/RXD1/SBI1
44 P32/SBT1
45 P33/NBR/SBO3
46 P34/NBT/SBI3
47 P35/SCL/SBT3
48 P36
49 P37
50 P40/KEY0
51 P41/KEY1
76
75
51
50
I/O Function
- GND
I Micom 5V unusual det.
I DSP A5V unusual det.
I DSP D5V unusual det.
I Analog 15V unusual det.
I Ground
I TU 9V unusual detect
I Ground
I Ground
- +5V
- +5V
- 8MHz
- 8MHz
- Ground
- Ground
- Open
I Ground
I Ground
I Ground
I Ground
O Display micom command
I Display micom status
O Display micom clock
O Display micom reset
O Display micom CS
I Display micom BUSY
I Ground
I Ground
I RDS DAVN
I INH
I Protector
I VDD2(FLASH)
I Reset input
O Tuner data out
I Tuner data in
O Tuner CLK
O Tuner CE
O RDS SDA input/output
O RDS SCL output
O Tuner mute
I VPP(+5V:FLASH)
I Multi detect input
O Multi voltage switching
O DSP micom reset
O DSP micom command
I DSP micom status
O DSP micom clock
O DSP micom READY
O SUBWFR MUTE
O SOURCE MUTE
O VIDEO SWITCH 1
Pin No. Symbol
52 P42/KEY2
53 P43/KEY3
54 P44/KEY4
55 P45/KEY5
56 P46/KEY6
57 P47/KEY7
58 P50/NWE
59 P51/NRE
60 P52/NCS
61 P53/A16
62 P54/PA17
63 P60/A0
64 P61/A1
65 P62/A2
66 P63/A3
67 P64/A4
68 P65/A5
69 P66/A6
70 P67/A7
71 P70/A8
72 P71/A9
73 P72/A10
74 P73/A11
75 P74/A12
76 P75/A13
77 P76/A14
78 P77/A15
79 P80/D0/LED0
80 P81/D1/LED1
81 P82/D2/LED2
82 P83/D3/LED3
83 P84/D4/LED4
84 P85/D5/LED5
85 P86/D6/LED6
86 P87/D7/LED7
87 PD0/SDO0
88 PD1/SDO1
89 PD2/SDO2
90 PD3/SDO3
91 PD4/SDO4
92 PD5/SDO5
93 PD6/SDO6
94 PD7/SDO7
95 DAVSS
96 PC0/DA0
97 PC1/DA1
98 PC2/DA2
99 PC3/DA3
100 DAVDD
I/O Function
O VIDEO SWITCH 2
O VIDEO SWITCH 3
O VIDEO SWITCH 4
O TC9459 STB
O TC9459 CLK
O TC9459 DAT
O TC916X STB
O TC916X CLK
O TC916X DAT
O SURRBACK 1SPK
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
O HEADPHONE relay
O FRONT 1 relay
O FRONT 2 relay
O CENTER relay
O SURR relay
O SURRBACK relay
I VIDEO S/C input
I DBS S/C input
I VCR2 S/C input
I VCR1 S/C input
I DVD S/C input
O POWER ON
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
I Ground
- Ground
I Ground
I Ground
I Ground
I Ground
- Ground
(No.22058)1-29