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SCHEMATIC DIAGRAM - MAIN Board (5/7) - | • See page 32 for IC Block Diagrams. | • See page 34 for IC Pin Function Description. |
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| 1 | 2 |
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A | 5 | MAIN BOARD |
| (5/7) |
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VDD_DDC2_J |
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MAIN |
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| R302 |
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| (7/7) | 0 |
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| (Page 28) | VDD_HP_F |
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| R120 | 470 |
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| EN2 |
| IC301 | VOUT2 |
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| LINE_OUT_R | 2 | ||||||||||
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| 2 |
| VIN | XC6401FF58DR VOUT1 | 5 |
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| LINE_OUT_L | ||||||||||||
B |
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| 3 |
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| GND | VSS | 4 |
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| MAIN | |||||||
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| 7 |
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| C307 | C316 | R310 |
| R312 |
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| BOARD | |||||||
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| (7/7) | |
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| 220k | 10 |
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| 6.3V |
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| (Page 28) | |
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| IC301 |
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| Q301, 304 |
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| MUTING CONTROL |
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| COM1 | NC1 | VCC | NC2 | COM2 |
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| +1.8V REGULATOR |
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| SWITCH |
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| HP_XMUTE |
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| Q304 UNR31A600LS0 |
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C |
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| 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 |
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| CB1 | NO1 | GND | NO2 | CB2 |
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| C312 | 22 |
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| 1 | 2 | 3 | 4 | 5 |
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| 10 | ADA_XRST |
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| 25 | nRESET | AIN1B | AIN1A | AFILTB | AFILTA | AIN2B/BIAS | AIN2A | MICIN2/AIN3B/BIAS | MICIN1/AIN3A | ADC_FILT+ | 16 | C313 | 0.1 |
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| Q301 UNR31A600LS0 | IC305 MAX4745ELB+TG069 |
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| C303 | 0.1 |
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D |
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| 26 | VL |
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MAIN |
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| C315 | 1 |
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| C116 |
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| BOARD |
| 0.001 | C302 | 0.1 |
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| 28 27 | VD |
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| IC302 |
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| DAC_FILT+ | 13 14 |
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| (1/7) |
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| DGND |
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| 0.0047 |
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| 0.0047 |
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| (Page 22) |
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| C310 | 0.1 |
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| PCM0_ADDT |
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| 29 | SDOUT |
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| VA | 12 |
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| 30 |
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| D/A CONVERTER, |
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| 11 |
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| R314 | 0 |
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| R315 | 220 |
| MCLK |
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| HEADPHONE AMP |
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| AOUTA |
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| R223 |
| R123 |
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| 0.1 |
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| SCLK |
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| IC302 |
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| AOUTB |
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| 0 |
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| ∗ R106, 206 |
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| 1 | MIC_RIN |
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| PCM0_DADT |
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| 32 | SDIN |
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| VSS_HP | 9 |
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| 5.6 (EXCEPT | 2 | MIC_RIN |
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| C311 |
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| R206 |
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| 3 | HP_R |
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| 33 | AGND |
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| 1 | C107 | C207 | 1k | 1k |
| ∗ |
| ∗ |
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| FB201 | CL202 |
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| 4 | HP_R |
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E |
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| 0.068 | 0.068 |
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| FB101 | CL102 |
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| 5 | COM |
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| 2.2 | 2.2 |
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| 6 | COM | |||
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| SCL/CCLK3 |
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| RSB6.8STE61 |
| J | ||||
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| R210 |
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| LRCK1 | VAHP5 | FLYP6 | FLYN8 |
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| 7 | COM |
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| R108 |
| R208 |
| R109 | R209 |
| 8 | MIC_L |
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| 470 |
| 470 |
| 470 | 470 | D201 | 9 | MIC_L | HP FLEXIBLE | |||||||||||
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| R110 | PRINT BOARD | |||||||||||||
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| D101 | RSB6.8STE61 | 10 HP_L |
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| PCM0_LRCK |
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| C308 |
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| R105 | R205 | C319 |
| C321 |
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| C110 |
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| 11 | HP_L |
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F |
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| 1 |
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| 47 | 47 | 4.7 |
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| 0.22 |
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| FB301 |
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| SPI0_MOSI |
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| Q302 |
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| Q303 | C210 |
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| SPI0_CLK |
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| EMX18 |
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| EMX18 | 0.22 |
| D301 |
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| SPI0_XCS2 |
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| C306 |
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| MUTING |
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| MUTING |
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| VMZ6.8NT2L |
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| AGND |
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| 0.1 |
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| C326 | C327 | C328 | C329 | C330 |
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| 0.47 |
| 0 | 0 | 0 | 0 |
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| DGND |
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G |
| TB301 |
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| (CHASSIS) |
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Note 1: When the MAIN board is replaced, format it according to the “NOTE OF MAIN BOARD REPLACING” (refer to page 4) of the servicing notes.
Note 2: IC301, IC302 and IC305 on the MAIN board cannot exchange with single. When IC301, IC302 and IC305 on the MAIN board are damaged, exchange the entire mounted board.
26 26
