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BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section – |
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C | XRST2 |
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(Page 15) |
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B | SAM RST |
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| LEVEL SHIFT | SWITCHING |
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| Q7502, 7503 | IC7500 (2/4) |
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| +1.9V REGULATOR |
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(Page 15) |
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| IC9006 |
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| DC/DC CONVERTER |
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| D9002, L9001, |
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| Q9008 |
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| SAM RST 61 |
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| XCRST 109 | RESET SIGNAL |
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| D9015 |
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| LED6000 | LED DRIVE |
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| GENERATOR |
| CE |
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| 89 | ORANGE |
| IC9007 |
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| ACCESS |
| 3 | ERROR |
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| Q6007 | WAKE4 66 |
| FB |
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| PWM |
| BUFFER, | EXT 5 |
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| INDICATOR |
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| 1 | AMP |
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| IC7800 |
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| COMPARATOR | DRIVER |
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| PWM/PFM | OSC |
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| POWER CONTROL |
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| CONTROLLER |
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| CONSOLE UNIT |
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| IC9001 |
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| VDDIO2 |
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| VDDIO2 |
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| D9016 |
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| L9007 |
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| L9006 |
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| B+ SWITCH |
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| VCO | POWER | VC |
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| VCOUT | SWITCHING | L1 |
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| VDD EL |
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| VDDCORE |
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| 35 | 34 | 33 | 28 |
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| Q2501, 2502 |
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| SWITCH1 | VC |
| REGULATOR | L1 |
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| 36 |
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| 32 |
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| 92 | ELON | OSCEN 110 | RESET SIGNAL |
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| GENERATOR |
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| CHARGE | B+ SWITCH |
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| IC9003 |
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| PRE DRIVER |
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| Q2505, 2506 |
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| WAKEEN 108 |
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| D9018 |
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| L9003 |
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| SYSTEM CONTROLLER |
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| L9002 | VLGG1 | POWER |
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| SWITCHING | L2 |
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| VDDCORE |
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| IC7001 (2/2) | VDDIO2 |
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| 10 |
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| 12 |
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| SWITCH2 |
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| REGULATOR | L2 |
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| 16 |
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| VDD LCD | B+ SWITCH |
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| Q2503, 2504 |
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| CLK |
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| PRE DRIVER |
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| FS4 103 |
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| CIRCUIT |
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| 84 | LCDON | WAKE 104 |
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| 1 | VLGON |
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| SYSTEM |
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| Q9003 | XWK3 |
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| L9004 |
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| 4 | CONTROL |
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| SWITCHING | LG |
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| 18 |
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| SDI0 |
| 106 SDI0 |
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| Q9009 | SLEEP |
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| REGULATOR |
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| SDO0 |
| 102 SDO0 |
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| 55 |
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| SCK |
| 101 SCK0 |
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| LCD XCS |
| 124 LCD XCS |
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| DC/DC |
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| CONVERTER |
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| GIOE3 |
| 59 | GIOE3 |
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| POWER CONTROL |
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| LG |
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| GIOE4 |
| 58 GIOE4 |
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| RECHARGEABLE | |||||||
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| GIOE5 |
| 57 | GIOE5 |
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| IC9005 |
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| BATTERY ON/OFF |
| BATTERY | |||||
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| GIOE6 |
| 56 | GIOE6 |
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| SWITCH | ||||||
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| 70 WAKE0 |
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| D9008 |
| Q9001 |
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| BATTERY ON/OFF |
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| DELAY BUFFER |
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| CONTROL |
| D9001 |
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| IC7500 (1/4) |
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| Q9004 |
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| SWITCHING |
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| BATT MONI 135 |
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| D9004 |
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| IC7600 |
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| GIOE7 |
| 55 GIOE7 |
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| D9005 | SWITCHING |
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| REGULATOR |
| VBUS | |||
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| 64 ACTRO |
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| Q9005 |
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| 69 WAKE1 |
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| DC/DC |
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| DELAY BUFFER |
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| CONVERTER |
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| IC7500 (4/4) |
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| IC9004 |
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| X HOLD |
| 118 XHOLD | VBUS INT 115 |
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| D9014 | VOLTAGE |
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| DETECT |
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| 141 KEY2 |
| SWITCHING |
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| IC9002 | D9006 |
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| WAKE3 67 |
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| IC7500 (3/4) |
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| S2203 | MEGA BASS |
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| S2203 – 2205, |
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| S2204 | MENU |
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| S7001, 7002 |
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| S2005 | DISPLAY |
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| S7001 | + |
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| VOLUME |
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| DP3 | A |
| S7002 | – |
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| (Page 15) | |
16 16
