7521Plus / N N/B MAINTENANCE
8.10 AUDIO FAILURE
No sound from speaker after audio driver is installed.
U31 SH18 |
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| AUDIO OUT |
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W83626F | R179 | L51 | R75 |
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24.576MHZ |
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| 29 |
| C221 |
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| CODEC XIN |
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| 2 | SH16 |
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| C81 | R52 | R64 |
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| SH24 |
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SH6 |
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| U6 |
| 22 | ROUT+ | J514 |
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| TPA0202 |
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| C80 | R49 | R61 |
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| 15 | ROUT- |
| CHARGE |
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| AOUT_R |
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| Amplifier |
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| 3 | LOUT+ |
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| C52 |
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| SH17 |
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U24 |
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| U5 |
| VR501 |
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| 10 | LOUT- |
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| 21 | RLINE IN |
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| 36 |
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| 20 | RHP IN |
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| AC97_SDOUT |
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| 35 | C65 |
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| C24 | C11 |
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| 4 | LLINE IN |
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SIS |
| 5 |
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| C71 | R45 |
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| AC97_SDIN0 |
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| AOUT_L |
| 5 | LHP IN |
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| VA |
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| 8 | CS4299 |
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| R34 |
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| R29 | +5V |
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| AC97_SYNC |
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| 14,16 | HP/LINE |
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630S |
| 10 |
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| R31 | R33 |
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| SH17 | ||||||
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| C62 |
| MUTE IN |
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| R38 | R29 |
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| J510 | ||||||||
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| CODEC |
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| 11 |
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| AMP |
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| R8 | DEVICE DECT# | L29 | 5 |
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| R25 |
| L11 | 4 |
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| VA |
| _SH |
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| L24 | 2 |
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| L23 |
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| UTDOWN |
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| 3 |
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| L28 |
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| R53 |
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| DECT HP#/OPT | 1 |
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| SPDIF |
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| L18 | L25 | 8 | Drive | LED | |
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| SPDIFOUT |
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| DEVICE_DECT# |
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| 9 | IC |
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| R37 | L15 |
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| Q7 |
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| +3V |
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| L16 |
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| +5V |
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| +5V |
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| AC’97 |
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| U16 |
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| Q6 |
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| L12 | |||
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| CODEC LINK |
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| R115 |
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| R44 |
| +3V |
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| AMP_DOWN |
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| R43 |
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| SPK_OFF# |
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| Q13 |
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| Q8 |
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| Q5 |
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