• IC Block Diagrams – MAIN Board –
IC301 |
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| PBEQ2 | PBOUT2 | GND | TAPEIN2 |
| AUXIN2 |
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| DIREF |
| LINEOUT2 |
| NC | NC | MSSW |
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| 30 | 29 | 28 | 27 |
| 26 |
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| 25 |
| 24 |
| 23 | 22 | 21 |
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| 120∝/70∝ |
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| 24dB |
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| T2 |
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| + | – |
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| – | + |
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| 20 | MSMODE |
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| NR BIAS |
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PBFB2 | 31 |
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| X1 |
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| MS |
| 19 | DRSW | ||
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| MODE |
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PBRIN2 | 32 |
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| TAPE/AUX |
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| 18 | TAPESW | ||
PBREF2 | 33 |
| F2 |
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| 17 | INSW | |||
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| TAPE EQ |
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PBFIN2 | 34 |
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| FWD/RVS |
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| 16 | NC | |
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VCT | 35 | VCT |
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PBGND | 36 |
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| VCC |
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| MS ON/ | 15 | NC | ||
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| LPF |
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| OFF |
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| DETECT |
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PBFIN1 | 37 |
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| 14 | MSOUT |
PBREF1 | 38 | F1 |
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| F3 |
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| X1 |
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| 13 | DGND | ||||
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PBRIN1 | 39 |
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PBFB1 | 40 |
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| 12 | MSTC |
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| – | + |
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| 11 | G1FB |
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| T1 |
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| 120∝/70∝ |
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| 24dB |
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| 1 | 2 | 3 | 4 | 5 |
| 6 | 7 | 8 | 9 | 10 |
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| PBEQ1 | PBOUT1 | VCC | TAPEIN1 | AUXIN1 |
| MSLPF | LINEOUT1 | NC | NC | G2FB |
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IC331 |
| LC75373ED |
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| LVRIN |
| LCOM |
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| LT1 | LT2 | LT3 |
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| LTOUT | LSIN | LS1 |
| LS2 | LS3 |
| LSOUT |
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| 33 |
| 32 |
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| 31 30 | 29 |
| 28 27 26 |
| 25 24 |
| 23 | |||||
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IC351 | MM1322XFBE |
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GND | 1 |
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| 8 | OUT2 |
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| CIRCUIT | 7 | VS |
IN2 | 2 |
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VCC | 3 | CONTROL |
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IN1 | 4 |
| 6 | OUT1 |
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| 5 | GND |
+ | – | – |
– |
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| – | |
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LSELO 34 |
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+
–
22 LFIN
21 LFOUT
L4 | 35 |
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L3 | 36 |
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L2 | 37 | + | + | |
L1 | 38 | – | + | |
– | ||||
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+
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20 LROUT
VDD | 39 |
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| + |
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| SHIFT |
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| DECODER | LATCH | |||
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| – |
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| REGISTER | |||
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R1 | 40 | – |
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R2 | 41 | + |
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R3 | 42 |
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R4 | 43 |
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RSELO | 44 |
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| + |
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| – |
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| RVRIN | RCOM | RT1 | RT2 | RT3 | RTOUT | RSIN | RS1 | RS2 | RS3 | RSOUT |
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| 19 | VREF |
CONTROL |
| 18 | CE |
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| 17 | DI |
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| 16 | CL |
| – | 15 | VSS |
| 14 | RROUT | |
| + | ||
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| – | 13 | RFOUT |
| + | ||
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| 12 | RFIN |
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