BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section – |
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| SYSTEM CONTROLLER |
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| IC801 (3/3) |
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| COM3 | 9 | COM0 – COM3 |
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| – |
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| COM0 | 6 – |
| LIQUID |
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| BATT |
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| HEADPHONE |
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| CRYSTAL |
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| DISPLAY |
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| AMP (IC301) , |
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| SEG0 – SEG5 | LCD901 |
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| MOTOR/COIL |
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| DRIVE (IC551) |
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| B+ |
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S801 – 805 |
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| VC |
| B+ SWITCH | B+ SWITCH |
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| DC/DC CONVERTER |
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| SYSTEM CONTROLLER (IC801) |
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| Q906, 907 | Q908, 909 |
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| D903, L902, Q905 |
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| 51 | XWAKE SET |
| EEPROM (IC802) B+ |
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| 86 | SET KEY1 |
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| RESET SIGNAL |
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| POWER CONTROL |
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| XRST | 43 |
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| 3 CE |
| IC904 |
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S801 | S802 | S803 |
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| GENERATOR | ERROR |
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| EXT |
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| IC905 |
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| PWM | BUFFER, |
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| 1 FB | AMP |
| 5 |
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| COMPARATOR | DRIVER |
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S804 |
| S805 |
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| PWM/PFM |
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| OSC |
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– | VOL | + |
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| CONTROLLER |
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| VC PWM 66 |
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| 84 | OPEN CLOSE SW |
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| S809 | 50 | XWAKE CLOSE |
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| DRY BATTERY |
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| (OPEN/CLOSE) |
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| VOLTAGE DETECT |
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| SIZE "AA" |
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| S807 |
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| IC906 |
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| (IEC DESIGNATION R6) |
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| VRM |
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| AVLS |
| 118 XAVLS |
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| B+ SWITCH |
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| DC/DC CONVERTER | 1PC. 1.5V |
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| LIMIT |
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| RF AMP (IC501), |
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| DSP (IC601) |
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| Q912 |
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| D904, L903, Q910 |
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| NORM |
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| B+ |
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S806 |
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| POWER CONTROL |
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| DSP |
| +1.7V |
| CE |
| IC907 |
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DIGITAL SOUND |
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| (IC601) |
| REGULATOR |
| 3 | ERROR |
| PWM | BUFFER, | EXT |
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PRESET |
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| 1.7V |
| IC902 |
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| 1 FB | AMP |
| 5 |
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| OFF |
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| 116 DBB0 |
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| PWM/PFM | COMPARATOR | DRIVER |
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| OSC |
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| BATTERY |
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| 117 DBB1 |
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| CONTROLLER |
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| CASE |
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| 1 |
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| VR PWM | 65 |
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| DSP (IC601), |
| B+ SWITCH | VC |
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| 2 |
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| REMOTE |
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| VG |
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| COMMANDER |
| Q803 | B+ |
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| DC/DC CONVERTER |
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| S808 |
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| MOTOR/COIL DRIVE |
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| B+ |
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| D902, IC903, L901 |
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| (IC551) B+ |
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| HOLD |
| 73 | XHOLD SW |
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| SWITCHING |
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| RECHARGEABLE |
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| OFF |
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| Q911 |
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| CHARGE |
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| BATTERY |
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| HOLD |
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| XSLEEP | 40 |
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| 1.2V 1400mAh |
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| 60 | XTEST |
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| CHARGE MONITOR |
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| TAP801 |
| CHG MON | 81 |
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| IC901 (2/2) |
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| (TEST) |
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| B+ SWITCH |
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| VRM B+ |
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| Q904 |
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| XWAKE DC IN | 56 |
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| DC IN DETECT | BATT |
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| SWITCH |
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| CHARGE |
| Q901 |
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| CHG PWM | 64 |
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| CHARGE CONTROL |
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| ON/OFF |
| RY901 |
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| IC901 (1/2), Q903 |
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| SWITCH |
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| RELAY |
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| Q902 |
| DRIVE | 2V IN | – | |
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| XCHG PWR | 57 |
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| Q913 – Q915 |
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| RLY CTL | 59 |
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| REG CTL | 58 |
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| REG CTL |
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| BATT B+ |
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| SET GND |
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| 05 | VB MON | 80 |
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| CHARGE |
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| STAND |
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| – 25 – |
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| – 26 – |
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