JVC TH-A75R Service Manual page 50

TH-A75R
4.29 MN103S26EGA (IC301) : Optical disc controller
• Pin layout
• Pin function
Pin No. Symbol
1 NINT0
2 NINT1
3 VDD3
4 VSS
5 NINT2
6 WAITODC
7 NMRST
8 DASPST
9~17 CPUADR17 - 9
18 VDD18
19 VSS
20 DRAMVDD18
21 DRAMVSS
22~30 CPUADR8 - 0
31 VDD3
32 VSS
33 DRAMVDD3
34 NCS
35 NWR
36 NRD
37~44 CPUDT7 - 0
45 CLKOUT1
46 MMOD
47 NRST
48 MSTPOL
49 SCLOCK
50 SDATA
51 OFTR
52 BDO
53~56 PWM1 - 4
57 VDD3
58 DRAMVDD18
59 DRAMVSS
60 VSS
61~64 PWM5 - 8
65 TBAL
66 FBAL
67 TRSDRV
68 SPDRV
69
70 TILTP
1-50 (No.21189)
176 133
1 132
44 89
45 88
I/O
O System control interruption 0
O System control interruption 1
- Power supply (3.3V)
- Ground
O System control interruption 2
O System control wait control
- System control reset (Not connect.)
- DASP signal initializing
I System control address
- Power supply (1.8V)
- Ground
- Connect to VDD18
- Connect to VSS
I System control address
- Power supply (3.3V)
- Ground
- Connect to VDD3
I System control chip select
I System control write
I System control read
I/O System control data
- Not connect.
I Connect to VSS
I System reset
I Master terminal polarity switch input (Connect to VSS.)
- Not connect.
- Not connect.
I Off track signal input
I RF dropout/BCA data of making to binary
- Not connect.
- Power supply (3.3V)
- Connect to VDD18
- Connect to VSS
- Ground
- Not connect.
O Tracking balance adjustment output
O Focus balance adjustment output
O Traverse drive output
O Spindle drive output
FG I Motor FG input
- Not connect.
Function