CDX-M620/M670
• IC BLOCK DIAGRAMS
| IC1 CXA2596M |
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| APC PD AMP |
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HOLD | 1 |
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| VCC | 24 | VCC |
| – | VCC |
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| VEE |
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AGCVTH | 2 |
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| 23 | LC/PD |
| VEE |
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| 1.25V | VREF | – |
| APC LD AMP |
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LD | 3 |
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| 22 | LD ON |
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| VC |
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| VCC |
| HOLD SW |
PD | 4 |
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| 21 | |
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A | 5 |
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| 20 | AGCCONT |
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| + | + |
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B | 6 |
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| VC | 19 | RF BOT | |
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C | 7 |
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| VEE | 18 | RFTC |
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| IC7 |
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FWD | 1 |
| GND | 36 | ||
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| INPUT |
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REV | 2 | MUTE2 | 35 | MUTE2 | ||
ON/OFF | ||||||
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VCC2 | 3 | CH1 OUTPUT | MUTE1 | 34 | MUTE1 | |
ON/OFF | ||||||
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VL0– | 4 |
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| 33 | VIN4 | |
| OUTPUT |
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| CONTROL |
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VL0+ | 5 |
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| 32 | VIN4– | |
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VO4+ | 6 |
| 31 | VIN4+ | ||
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| LEVEL |
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VO4– | SHIFT |
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7 |
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VO3+ | 8 |
| VIN1/VREF SW | 29 | ||
| LEVEL |
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| SHIFT |
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VO3– | 9 |
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| 28 |
IC306 TC7660SE0A713 |
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| 8 | V+ |
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| 7 | OSC |
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| 6 | LV |
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| 5 | VOUT |
BOOST 1 | RC | +2 | RC |
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OSCILLATOR | OSCILLATOR |
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| LOGIC |
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| NETWORK |
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| INTERNAL |
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| VOLTAGE |
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| REGULATOR |
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CAP+ 2 |
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GND 3 |
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CAP– 4 |
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| VC | + | VC |
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| – |
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D | 8 |
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| RF SUMMING AMP |
| RF EQ AMP |
| 17 | RF I | ||
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| VC |
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| RFO |
VEE | 9 | VEE |
| VC |
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| ERROR AMP |
| 16 | |
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| FOCUS |
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| + |
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| VC | + |
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| – |
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| RFE |
F | 10 |
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| 15 | |
E | 11 |
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| 14 | FE |
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| VC | + | VC |
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VC | 12 | VC BUFFER | + | VCC |
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| 13 | TE |
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| VEE |
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| TRACKING |
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| ERROR AMP |
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| VC |
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| VC |
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| IC202 |
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| LVIN | CIN | SCOUT |
| VREF | MPX | VSSA | VDDA | AFIN | MAD PSWN |
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| 20 | 19 | 18 |
| 17 | 16 | 15 | 14 | 13 | 12 11 |
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| POWER SUPPLY |
| PAUSE |
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| – |
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| + |
| 5V REG |
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VO2+ | 10 |
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| – | 27 | |
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| LEVEL |
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| SHIFT |
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VO2– | 11 |
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| 26 | |
VO1+ | 12 |
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| 25 | VIN3+ |
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| LEVEL | – | + |
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| SHIFT |
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VO1– | 13 |
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| 24 | VIN3– | |
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VCC1 | 14 |
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| 23 | VIN3 |
VIN1 | 15 | – |
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| 22 | VIN2+ |
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| – | + |
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16 |
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| 21 | VIN2– | ||
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VIN1+A | 17 | – |
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| 20 |
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+ |
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| VIN2 | |||
18 | – |
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| 19 | VIN1 +B | |
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IC101 TL1451ACDB-E20
REFO | S.C.P | INA2 | INB2 | FB2 |
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16 | 15 | 14 | 13 | 12 |
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VERF. |
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+2.5V | VCC |
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REFERENCE |
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VOLTAGE |
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| ERROR |
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| AMP2 |
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+2.5V |
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| VERF | |
SHORT |
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CIRCUIT |
| VERF | VERF |
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PROTECTION |
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COMPARATOR |
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+ |
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| S | R | R |
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– |
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VREF/2 |
| LATCH | U.V.L.O |
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TRIANGLE |
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OSCILLATOR |
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| ERROR |
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1 | 2 | 3 |
| AMP1 | 5 |
| 4 | ||||
CT | RT | INA1 |
| INB1 | FB1 |
DTC2 11
6 DTC1
OUT2 10
PWM
COMPA- RATOR2
PWM
COMPA- RATOR1
7 OUT1
VCC 9
OUTPUT2
OUTPUT1
GND
8 GND
| IC601 |
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BUS ON | 1 | BUS ON | 14 | VCC | |
SWITCH |
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RST | 2 | RESET | 13 | RESET | |
SWITCH | |||||
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| 12 | BUS ON | ||
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| BATTERY | 11 | CLK IN | |
BATT | 3 | 10 | BU IN | ||
SWITCH | |||||
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CLK | 4 |
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VREF | 5 |
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DATA | 6 |
| 9 | DATA IN | |
GND | 7 |
| 8 | DATA OUT |
MULTI |
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| & RESET |
| DETECTOR |
PATH |
| 57kHz |
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DETECTOR |
| 8th ORDER |
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| CLOCKED |
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| SIGNAL QUALITY |
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| COMPARATOR |
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| DECODER |
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| 4 | 5 | 4 |
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| CLOCK |
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| CLOCK |
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| RDS/RDBS |
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| INTERFACE | DATA |
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| DEMODULATOR | DECODER |
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| REGISTER |
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| DATA |
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| TEST | OSCILLATOR |
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| IIC BUS SLAVE | ||
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| CONTROL | & CLOCK |
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| TRANSCEIVER | ||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
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| 9 | 10 |
MRO | MPTH | TCON | OSCO | OSCI | VSSD | VDDD | DAVN |
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| SDA | SCL |
54 | 54 |
| IC651 |
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GND | 1 |
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| 16 | RNF |
NC | 2 | DRIVER | DRIVER | 15 | NC |
OUT1 | 3 |
| CONTROL LOGIC | 14 | OUT2 |
M BATT | 4 |
| 13 | NC | |
VCC | 5 | POWER | 12 | VREF | |
SAVE | |||||
CLOSE | 6 |
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| 11 | OPEN |
NC | 7 |
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| 10 | NC |
NC | 8 |
| TSD | 9 | NC |