MZ-E501
6-8. IC PIN FUNCTION DESCRIPTION
•IC501 SN761057DBT (RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No. | Pin Name | I/O | Description | |
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1 | TE | O | Tracking error signal output to the system controller (IC601) | |
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2 | REXT | I | Connect terminal to the external resistor for ADIP amp control | |
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3 | WPPLPF | I | Connect terminal to the external capacitor for TPP/WPP | |
4 | VREF | O | Reference voltage output terminal (+1.1V) | |
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5 | C | I | Signal (C) input from the optical | |
6 | D | I | Signal (D) input from the optical | |
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7 | I | Signal (D) input from the optical | ||
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8 | IY | I | ||
9 | IX | I | ||
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10 | JX | I | ||
11 | JY | I | ||
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12 | A | I | Signal (A) input from the optical | |
13 | I | Signal (A) input from the optical | ||
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14 | B | I | Signal (B) input from the optical | |
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15 | I | Connect terminal to the external capacitor for TON hold | ||
16 | CIG | I | Connect terminal to the external capacitor for the | |
denominator (Not used in this set) | ||||
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17 | CDN | I | Connect terminal to the external capacitor for the | |
denominator (Not used in this set) | ||||
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18 | I | Light amount monitor input terminal (invert input) | ||
19 | I | Light amount monitor input terminal | ||
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20 | O | Light amount monitor output terminal | ||
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21 | ADIP | O | ADIP duplex FM signal (66.15kHz ± 3kHz) output to the system controller (IC601) | |
22 | DVDD | — | Power supply terminal (+1.9V) (digital system) | |
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23 | SBUS | I/O | SSB serial data input/output with the system controller (IC601) | |
24 | SCK | I | SSB serial clock signal input from the system controller (IC601) | |
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25 | XRST | I | Reset signal input from the system controller (IC601) “L”: reset | |
26 | OFTRK | I | Off track signal input from the system controller (IC601) | |
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27 | DGND | I | Ground terminal (digital system) | |
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28 | BOTM | O | Bottom hold signal output of the light amount signal (RF/ABCD) to the system controller | |
(IC 601) | ||||
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29 | PEAK | O | Peak hold signal output of the light amount signal (RF/ABCD) to the system controller | |
(IC 601) | ||||
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30 | VREF | I | Connect terminal to the external capacitor for the internal reference voltage | |
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31 | VC | — | Middle point voltage (+1.2V) generation output terminal | |
32 | CCSL2 | I | Connect terminal to the external capacitor for TPP/WPP | |
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33 | RF OUT | O | Playback EFM RF signal output to the system controller (IC601) | |
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34 | AGND | I | Ground terminal (analog system) | |
35~37 | EQ, LP, PS | I | Connect terminal to the external capacitor for the RF equalizer | |
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38 | AVCC | — | Power supply terminal (analog system) (+2.2V) | |
39, 40 | OFC2, | I | Connect terminal to the external capacitor for RF AC coupling | |
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41 | ABCD | O | Light amount signal (ABCD) output to the system controller (IC601) | |
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42 | FE | O | Focus error signal output to the system controller (IC601) | |
43 | O | Servo signal monitor output to the system controller (IC601) | ||
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44 | I | ADIP duplex FM signal (66.15kHz ± 3kHz) input terminal, 3 times speed |
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