17 BLOCK DIAGRAM (BASE UNIT) |
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H/S | ANTENNA | 10.7MHz | RF FILTER | 450kHz |
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| CF1, CF2 |
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| RX VCO |
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| TELEPHONE LINE | ||
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| INTERFACE | ||
| DUPLEXER | L10, C26 |
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| DPX1 |
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| RF IC |
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| 17 |
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| IC1 |
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| RF AMP |
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| EXP | TEL | DIODE | |
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| MIX 1/2 |
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| TEL | |||
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| Q1, T2 |
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| LINE | LINE | BRIDGE | |
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| RX LOOP |
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| AMP | SW | D2, D3, |
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| RF |
| D4, D5 | |||
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| Q11, IC3 | T7 | ||
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| PLL OSC |
| 14 |
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| X1 |
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| COM |
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| TX LOOP |
| VC1 |
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| POWER SUPPLY | |||
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| RESET CHARGE | ||
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| POWER | DC 5V |
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| 5V |
| DC IN |
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| 12V 150mA | ||
38 |
| CONTROL |
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| REGULATOR | |||
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| (AC Adaptor) | |||||
| Q2 |
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| Q18, Q19 |
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| RF AMP | TX VCO |
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| X2 |
| AC DOWN |
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| DTC | |||
| Q3,Q4, T5 | Q5, T6, DV1 |
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| Q402,Q403 |
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| VTX | RF | RX | RESET |
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| DATA |
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| DTC |
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| Q401 |
| CHARGE | |
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| CONTROL | |
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| TX |
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| Q14, Q17 | |
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| DATA |
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| Q24, Q25 | |
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| CPU |
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| DC 12V | |
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| LED |
| IC2 |
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| DC 5V |
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| Q21, LED1 |
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| CONTROL LINE |
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| CHARGE |
| CHARGE | |
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| DTC |
| TERMINAL | ||
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| AUDIO SIGNAL |
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| Q7 |
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TEL LINE
