MZ-G750/R700
SECTION 6
DIAGRAMS
6-1. 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 (IC801) | |
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2 | REXT | — | Connect terminal to the external resistor for ADIP amp control | |
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3 | WPPLPF | — | Connect terminal to the external capacitor for TPP/WPP | |
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4 | VREF | O | Reference voltage output terminal (+1 V) | |
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5 | C | I | Signal (C) input from the optical pickup detector | |
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6 | D | I | Signal (D) input from the optical pickup detector | |
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7 | I | Signal (D) input from the optical pickup detector (AC input) | ||
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8 | IY | I | ||
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9 | IX | I | ||
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10 | JX | I | ||
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11 | JY | I | ||
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12 | A | I | Signal (A) input from the optical pickup detector | |
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13 | I | Signal (A) input from the optical pickup detector (AC input) | ||
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14 | B | I | Signal (B) input from the optical pickup detector | |
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15 | — | Connect terminal to the external capacitor for TON hold | ||
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16 | CIG | — | Connect terminal to the external capacitor for the | |
denominator | ||||
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17 | CDN | — | Connect terminal to the external capacitor for the | |
denominator | ||||
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18 | I | Light amount monitor input terminal (invert input) | ||
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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 (22.05 kHz ± 1 kHz) output to the system controller (IC801) | |
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22 | DVDD | — | Power supply terminal (+2.3 V) (digital system) | |
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23 | SBUS | I/O | SSB serial data input/output with the system controller (IC801) | |
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24 | SCK | I | SSB serial clock signal input from the system controller (IC801) | |
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25 | XRST | I | Reset signal input from the system controller (IC801) “L”: reset | |
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26 | OFTRK | I | Off track signal input from the system controller (IC801) | |
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27 | DGND | — | 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 (IC801) | ||||
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29 | PEAK | O | Peak hold signal output of the light amount signal (RF/ABCD) to the system | |
controller (IC801) | ||||
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30 | VREF075 | — | Connect terminal to the external capacitor for the internal reference voltage | |
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31 | VC | O | Middle point voltage (+1.2 V) generation output terminal | |
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32 | CCSL2 | — | 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 (IC801) | |
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34 | AGND | — | Ground terminal (analog system) | |
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35 – 37 | EQ, LP, PS | — | Connect terminal to the external capacitor for the RF equalizer | |
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38 | AVCC | — | Power supply terminal (analog system) (+2.3 V) | |
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39, 40 | — | 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 (IC801) | |
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42 | FE | O | Focus error signal output to the system controller (IC801) | |
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43 | O | Servo signal monitor output to the system controller (IC801) | ||
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44 | I | ADIP duplex FM signal (22.05 kHz ± 1 kHz) input terminal | ||
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