Schematic Diagrams
AC97
| +VDD12 | R434 | 10K |
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| +12V | R435 | 10K | G | Q21 |
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| 2N7002 |
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| S | D |
| Q20 |
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| G |
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| 2N7002 |
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| AC97_VDD |
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| S | D |
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| 22 |
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| +3VCDROM | U33 | 48 47 46 45 | 44 43 40 |
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| R465 | C615 | *1UF |
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| C575 |
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| *0 |
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| 1 | GND | SPDIFO EAPD/DJ ID1# ID0# | GPIO1 GPIO0 NC | DCVOL |
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| C613 | 1UF |
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| 0.1UF |
| 0.1UF | VDD |
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| VDD |
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| Vaux |
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| 7 | GND |
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| VRDA | 32 |
| C579 | 1000PF |
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| AC97_VDD |
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| AVDD | ALC202 | VRAD |
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| 42 | 28 |
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| AGND | AFILT1 |
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| 38 | AVDD |
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| AFILT2 | 30 |
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| C578 | 1000PF |
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| 3 | AGND | ALC655 | V_REFOUT | 27 |
| C607 | 10U/10V |
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| XTL_IN | VREF |
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| C580 | 22PF |
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| XTL_IN | 2 |
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| Y7 |
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| 5 | XTL_OUT |
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| SDATA_OUT |
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| 24.576M |
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| BIT_CLK |
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| SDATA_IN |
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| LINE_OUT_R | 36 | AC97_OUT_R |
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| AC97_OUT_R | 23 | ||
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| C576 | 22PF |
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| 11 | SYNC |
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| PHONE LAUX RAUX VIDEOL VIDEOR LCD GNDCDREF RCD MIC1 MIC2 MONOOUT OUTHPL OUTHPR |
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21 |
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| BEEPPC | LINE_IN_L |
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C_BITCLK |
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| RESET# |
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| C581 | 22PF |
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| LINE_OUT_L | 35 | AC97_OUT_L |
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| AC97_OUT_L 23 | |
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21 | C_SDOUT |
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| LINE_IN_R | 24 |
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| R433 | 22 |
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21 | C_SDIN2 |
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| R432 | 22 |
| ALC202 |
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21 | C_SYNC |
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| 12 13 14 15 16 17 18 19 20 21 22 37 39 41 |
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21 | C_ACRST# |
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| 47K |
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| R458 | INT_CD_R | INT_CD_R | 12,22 |
C572 |
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1UF | R427 | 47K |
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C571 |
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| INT_CD_L | INT_CD_L | 12,22 | |
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1UF | R428 |
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R431 |
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47K | 47K |
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C573 |
| R430 |
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| CD_GND | CD_GND | 12,22 |
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1UF |
| 47K |
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R429 |
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| 47K |
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ALC202 ALC655
C615 | 1UF | DEL |
+5VCDROM | AC97_VDD |
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| PLEASE PLACE CLOSE CODEC & |
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| AMP THE POWER INPUT PINS |
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| L67 |
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1 | 2 |
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| C586 | C574 | C585 | C584 | C583 |
| 10UF/10V | 10UF/10V | 0.1UF | 0.1UF | 0.1UF |
+3VCDROM
C582 C577
0.1UF 0.1UF
Sheet 20 of 40
AC97
B.Schematic Diagrams
AC97 B - 21
