• DIGITAL BOARD IC102
Pin No. | Pin Name | I/O | Description |
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1 | EQ | O | EQUALIZER indicator (D123) drive signal output terminal | “L”: on | ||
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2 | SUR | O | SURROUND indicator (D122) drive signal output terminal | “L”: on | ||
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3 | LEVEL | O | LEVEL indicator (D119) drive signal output terminal | “L”: on | ||
4 | NAME | O | NAME indicator (D151) drive signal output terminal “L”: on | |||
5 | SETUP | O | SET UP indicator (D152) drive signal output terminal | “L”: on | ||
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6 | VOLUME | O | VOLUME indicator drive signal output terminal | “L”: on | Not used (open) | |
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7 | MUTING | O | MUTING indicator (D101) drive signal output terminal | “L”: on | ||
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8 | JOG | O | JOG indicator (D124) drive signal output terminal | “L”: on |
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9 | VOLUP | O | Motor drive signal (volume up direction) output to the volume motor drive (IC105) | |||
10 | VOLDOWN | O | Motor drive signal (volume down direction) output to the volume motor drive (IC105) | |||
11 | VSS | — | Ground terminal |
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12 | 5V CHECK | O | Power check terminal |
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13 | POWER RY | O | Power relay drive signal output terminal “H”: on |
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14 to 17 | NC | — | Not used (fixed at “L”) |
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18 | SIRCS IN | I | SIRCS input from the remote control receiver (IC101) |
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19 | SOT0 | O | Serial data output to the system controller (IC1201) (rewrite flash memory) | |||
20 | SIN0 | I | Serial data input from the system controller (IC1201) (rewrite flash memory) | |||
21 | FL CLK | O | Clock signal output to the fluorescent display tube |
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22 | FL DATA | O | Serial data output to the fluorescent display tube |
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23 | VCC | — | Power supply terminal (+5V) |
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24 | FL LAT | O | Latch signal output to the FL display driver (IC103) |
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25 | FL CLEAR | O | Clear signal output to the FL display driver (IC103) |
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26 | OSD CLK | O | OSD clock signal output to the select switch (IC2004) (used for | |||
27 | C | — | External power regulator capacitor is connected to this terminal | |||
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28 | OSD DOUT | O | OSD serial data output to the select switch (IC2004) (used for | |||
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29 to 33 | NC | — | Not used (fixed at “L”) |
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34 | AVCC | — | Power supply terminal (+5V) (analog system) |
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35 | AVRH | — | Connected to power supply |
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36 | AVRL | — | Connected to ground |
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37 | AVSS | — | Ground terminal (analog system) |
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38 | AD KEY IN 1 | I | Key input terminal (A/D input) (S111 to 118) |
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39 | AD KEY IN 2 | I | Key input terminal (A/D input) (S121 to 125) |
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40 | AD KEY IN 3 | I | Key input terminal (A/D input) (S131 to 137) |
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41 | AD KEY IN 4 | I | Key input terminal (A/D input) (S141 to 149) |
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42 | VSS | — | Ground terminal |
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43 | AD KEY IN 5 | I | Key input terminal (A/D input) (S151 to 157) |
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44 | AD KEY IN 6 | I | Key input terminal (A/D input) (S161 to 165) |
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45 | AD KEY IN 7 | I | Key input terminal Not used (fixed at “L”) |
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46 | RDS SIGNAL | I | RDS control signal input terminal Not used (fixed at “L”) |
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47 | STOP | I | Stop signal input from the power control (IC1206) |
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48 | NC | — | Not used (fixed at “L”) |
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49 | MD0 | I | MD 0 signal input from the system controller (IC1201) |
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50 | MD1 | I | MD 1 signal input terminal (fixed at “H” in this set) |
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51 | MD2 | I | MD 2 signal input from the system controller (IC1201) |
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52 | HSTX | I | Hardware standby signal input to the power control (IC1206) |
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