RXD-A55/A75
12
CIRCUIT DESCRIPTION
Port No. Port Name I/O Function
56 FPB I DECK REVERSE RECORDING SWITCH INPUT
57 MIC IN - OPEN
58 MP3 LED O MP3 LED CONTROL
59 DESTOUT O DISCRIMINATION PORT FOR DESTINATION
60 STANDBY LED O STANDBY LED CONTROL
61 KARAOKE LATCH - OPEN
62~66 NO USE - GND
67~70
P22~P19 O FL DISPLAY CONTROL PORT
DEST3~DEST0 I DESTINATION INPUT PORT
71~78 P18~P11 O FL DISPLAY CONTROL PORT
79 VLOAD - FL DRIVER POWER SUPPLY(-30V)
80~89 P10~P1 O FL DISPLAY SEGMENT CONTROL PORT
90~100 G11~G1 O FL DISPLAY GRID CONTROL PORT
Port No. Port Name I/O Function
1 IN2- I CH2 inverted input.
2 IN1A- I CH1 inverted input.
3 IN1B- O CH1 output offset control.
4 OUT1- O CH1inverted output.
5 OUT1+ O CH1 non-inverted output.
6 OUT2- O CH2 inverted output.
7 OUT2+ O CH2 non-inverted output.
8~14 GND - GND
15 OUT3+ O CH3 non-inverted output.
16 OUT3- O CH3 inverted output.
17 IN3- I CH3 inverted input.
18 VCC1 - Power supply 1 (CH1, CH2, CH3).
19 STANDBY I STANDBY signal input.
20 VREF - CH1~CH4 reference voltage input.
21 MUTE I Mute signal input (CH6).
22 IN5- - GND
23 IN5+ - Connected to power supply.
24 VCC2 - Power supply 2 (CH4).
25 IN4- I CH4 inverted input.
26 OUT4- O CH4 inverted output.
27 OUT4+ O CH4 non-inverted output.
28 VCC3 - Power supply 3 (CH5).
29~35 GND - GND
36 OUT5+ O CH5 non-inverted output.
37 OUT5- O CH5 inverted output.
38 OUT6+ O CH6 non-inverted output.
39 OUT6- O CH6 inverted output.
40 VCC4 - Power supply 4 (CH6).
41 IN6- I CH6 inverted input.
42 IN6+ I CH6 non-inverted input.
2. Focus/Tracking/Spin/Sled Driver : M63001FP (CD Section IC2)
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