Read DVD
disc
Read CD
disc
No disc
1 F- Input loader 2.52 2.34 0.46
2 F+ Input loader 2.49 2.49 0.93
3 T+ Input loader 2.53 2.51 0.94
4 T- Input loader 2.58 2.51 0.93
5 C
Input
MT1389
2.2 2.25 2.04 Disc data signal
6 D
Input
MT1389
2.2 3.2 2.04 Disc data signal
7 IOA
Input
MT1389
0.01 3.2 3.21
Disc identification signal, CD is high level 3.3V;
and DVD is 0V.
8 RF
Input
MT1389
2.21 2.53 1.28
Total sum of disc data signals. This signal is not
used by this player.
9 A
Input
MT1389
2.17 2.22 2.04 Disc data signal
Function Description
Focus error signal is added to the two ends of
pick-up focusing coil.
Trace error signal is added to the two ends of
pick-up trace coil.
Pin
Number
Pin Name
Flow
Direction
DC Voltage
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