CXA2510AQ (IC401) : Head AMP / Dolby
1. Pin layout & Block diagram
| PBEQ2 | PBOUT2 | GND | TAPEIN2 | AUXIN2 | DIREF | LINEOUT2 |
| 30 | 29 | 28 | 27 | 26 | 25 | 24 |
PBFB2 | 31 |
| 120 /70 |
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PBRIN | 32 | + - |
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| T2 |
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| X1 |
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PBREF2 | 33 |
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| NR BIAS | ||
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| F2 |
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| TAPE / AUX | |
PBFIN2 | 34 |
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| TAPE EQ | |
VCT | 35 |
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| VCT |
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| FWD / RVS | |
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PBGND | 36 |
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| Vcc |
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PBFIN1 | 37 |
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| LPF | + |
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| - | ||
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| F1 |
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| F3 | |
PBREF1 | 38 |
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| X1 |
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| T1 |
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PBRIN1 | 39 | + - |
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PBFB1 | 40 |
| 120 /70 |
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| PBEQ1 | PBOUT1 | Vcc | TAPEIN1 | AUXIN | MSLPF | LINEOUT1 |
TCH2 | TCL2 | MSSW |
23 | 22 | 21 |
NR
20 MSMODE
OFF/
B / C
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| 19 | DRSW |
| MS MODE |
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| 18 | TAPESW |
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| 17 | INSW |
| NR MODE 16 | NRSW | |
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| MS ON/ 15 | MRMODE |
| DET | OFF |
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| 14 | MSOUT | |
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| 13 | DGND |
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| 12 | MSTC |
| NR | 11 | G1FB |
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8 | 9 | 10 |
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TCH1 | TCL1 | G2FB |
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2. Pin functions |
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Pin No. | Symbol |
| I/O |
| Functions |
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1 | PBEQ1 |
| O |
| Resistance for selecting the equalizer amplifier time constant. |
2 | PBOUT1 |
| O |
| Playback equalizer amplifier out put. |
3 | Vcc |
| - |
| Power supply |
4 | TAPEIN1 |
| I |
| TAPE input. |
5 | AUXIN1 |
| I |
| External input. |
6 | MSLPF |
| - |
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7 | LINEOUT1 |
| O |
| Line out. |
8 | TCH1 |
| - |
| Time constant for the HLS. |
9 | NC |
| - |
| Non connection. |
10 | G2FB |
| - |
| Music signal interval detection level setting. |
11 | G1FB |
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12 | MSTC |
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| Time constant for detecting the music signal interval. |
13 | DGND |
| - |
| Logic ground (Connect to GND) |
14 | MSUOT |
| O |
| Music sensor output. |
15 | NC |
| I |
| Non connection. |
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