XR-M510
•IC Block Diagrams
– MAIN Board –
IC100 |
| TDA7402TR |
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| ACINLR | ACINRF | ACINRR |
| OUTLF | OUTLR | OUTRF | OUTRR | OUTSWL | OUTSWR | OUTSSL | OUTSSR |
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| 33 32 31 |
| 30 | 29 | 28 | 27 | 26 | 25 | 24 23 |
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| MIXER |
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| MONO- | MONO- | MONO- | MONO- | MONO- | MONO- |
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| FADER | FADER | FADER | FADER | FADER | FADER |
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ACINLF | 34 |
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| FRONT |
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| SUBWOOFER |
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SWINR | 35 | ACIN |
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| +PHASE |
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SWINL | 36 |
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| OUTPUT |
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| REAR |
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| CONTROL |
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| SELECTOR |
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ACOUTR | 37 | MAIN |
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| SW |
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ACOUTL | 38 |
| SECOND |
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CREF | 39 |
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| LP |
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| 22 | VDD |
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| VOICE |
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| 21 | SCL | |
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| BANDPASS |
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| 20 | SDA | |||
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| HP |
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| BASS |
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| SUPPLY | 19 | GND |
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| TREBLE |
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| 18 | SM | |
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| VOLUME |
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| CONTROL |
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| S&H |
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| PULSE |
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| FORMER |
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| SOFTMUTE |
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| DIGITAL |
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| 25kHz |
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| QUAL | 17 | QUAL |
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| COMPANDER |
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| LP |
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| LOUDNESS |
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| LOUDNESS |
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IC102 | BA3834F |
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| GND |
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| AOUT |
| TEST | N.C. |
| SEL N.C. C B A | ||
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| 18 |
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| 17 |
| 16 | 15 |
| 14 13 12 11 10 | ||
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| MULTIPLEXER |
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| DECODER |
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REGISTER | REGISTER | REGISTER | REGISTER | REGISTER | REGISTER | REGISTER | |||||||||
PEAK |
| PEAK |
| PEAK | PEAK | PEAK |
| PEAK | PEAK | ||||||
HOLD |
| HOLD |
| HOLD | HOLD | HOLD |
| HOLD | HOLD | ||||||
68Hz |
| 170Hz |
| 420Hz | 1kHz | 2.4kHz |
| 5.9kHz | 14.4kHz | ||||||
B.P.F. |
| B.P.F. |
| B.P.F. | B.P.F. | B.P.F. |
| B.P.F. | B.P.F. | ||||||
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| DIFFERENTIAL |
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| AMPLIFIER |
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| 1 | 2 | 3 | 4 | 5 |
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| 6 | 7 | 8 |
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| 9 |
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| BIASC | VREFC | RREF | N.C. | DIFOUT |
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| N.C. | CIN | AIN |
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| VCC |
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| MULTIPATH | 16 | MPOUT |
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| DEMODULATOR |
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MUX | 40 |
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| DETECTOR | 15 | MPIN | |
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| +STEREO ADJUST |
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| +STEREO BLAND |
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| BEEP |
| D/A | 14 | LEVEL |
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| MUTE |
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| PILOT | CONVERTER | ||||
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| +AUTO ZERO |
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| CANCELATION |
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| PIL DET |
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| MAIN SOURCE |
| MIXING |
| SECOND SOURCE |
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| SELECTOR |
| SELECTOR |
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| SELECTOR |
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MD1 | 41 |
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| PLL |
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MD1G | MAIN |
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| 80kHz |
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42 |
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| INPUT |
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| 13 | MPX | ||
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| MULTIPLEXER |
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| FM |
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MD2 | 43 |
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MD2G | PHONO |
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44 |
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| AM | AM/FM |
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| 12 | AMIF | |
| MAIN |
| CH0 |
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| AUX |
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| NOISE BLANKER |
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
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| SEL | SER | FD1L+ | FD1L– | FD1R+ | FD1R– | FD2L+ | FD2L– | FD2R+ | FD2R– | AM |
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IC400 |
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VCC | 1 |
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| 10 | NC | |
NC | 2 | BUFFER |
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IN1 | 3 | CONTROL | MOTOR | 9 | OUT1 | |
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| DRIVE | 8 | NC | ||
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IN2 | 4 | CIRCUIT | 7 | OUT2 | ||
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| BUFFER |
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IC401 |
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| PBEQ1 | PBOUT1 | GND | TAPEIN1 |
| AUXIN1 |
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| DIREF |
| LINEOUT1 | TCH1 | NC | MSSW |
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| 30 | 29 | 28 | 27 |
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| 120∝/ |
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| NR |
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| 70∝ |
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| OFF/B |
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| T2 |
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| – | + |
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| 20 | MSMODE |
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PBFB1 | 31 |
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| NR BIAS |
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| MS | 19 | DRSW | ||
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| X1 |
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PBRIN1 | 32 |
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| TAPE/AUX |
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| 18 | TAPESW | |||
PBREF1 | 33 |
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| 17 | INSW | |||
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| TAPE EQ |
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PBFIN1 | 34 |
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| NR | 16 | NRSW |
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| FWD/RVS |
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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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PBFIN2 | 37 |
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| 14 | MSOUT |
PBREF2 | 38 |
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| F3 |
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| X1 |
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| 13 | DGND | |||
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PBRIN2 | 39 |
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PBFB2 | 40 |
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| 12 | MSTC |
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| – | + |
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| 11 | FF |
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| T1 | + |
| – | OFF/B |
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| 120∝/ |
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| NR |
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| 70∝ |
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| PBEQ2 | PBOUT2 | VCC | TAPEIN2 | AUXIN2 |
| MSLPF | LINEOUT2 |
| TCH2 | NC | PLAY |
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36 36
