8170 N/B MAINTENANCE
8.14 Audio Failure
No sound from speaker after audio driver is installed.
C710 2.2U | R678 10K | R667 15K |
C210 220U
AUDIO OUT
| 5 | VR1 |
AOUT_R | C717 4.7U | 10K |
| 4 | 7 |
| C718 4.7U | 6 |
| 3 | |
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AOUT_L |
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From U15 | 2 |
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| C694 680P |
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| 20 |
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| R666 10K |
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C709 2.2U | R677 10K |
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C693 470P |
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+3V_ICH |
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| Signal |
| HI | LOW | ||
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| SPK_OFF | Shut Down | Normal | ||
SPK_OFF |
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| 11 | |
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From U17 | Q16 |
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| R166 |
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DTC144TKA |
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| 10K |
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| 8 | ||
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| +5VS | |||
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| L47 |
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| C206 | 18 | ||
| 120Z/100M | R548 22 | 0.1U | |||||
5V_AMP | 7 | |||||||
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| C166 |
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| C168 | |
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| 100U |
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| 0.1U | |
C708 2.2u | R676 10k | R665 | 15k |
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| C692 680P | 4 | ||
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| R664 10K |
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C707 2.2u | R675 10k | C691 | 470P |
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RLINE IN | P17 |
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RHP IN | R OUT+ |
| R OUT- |
| L OUT+ |
| L OUT- |
MUTE IN
MUTE OUT
SHUTDOWN
U18
RVDD
LVDD
Amplifier
TPA0202
LLINE IN | SE/BTL# |
| HP/LINE# |
LHP IN |
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22
15
3
10
14
16
SPKROUT+ |
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| 1 | J20 |
| Internal |
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SPKROUT- |
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| 2 | R |
| Speaker |
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| Connector |
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SPKLOUT+ |
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| 1 | L |
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| P17 |
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| J18 |
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SPKLOUT- |
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| 2 |
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| LINE_OUT_5 | L524 120Z/100M |
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| L536 |
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| 2 | PLP3216S |
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C204 220U | LINE_OUT_2 | L523 120Z/100M |
| 1 |
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| 3 |
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C689 | R143 | R122 | C688 |
| L537 |
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| L538 |
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| J19 | ||||
100P | 1K | 1K | 100P |
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| 120Z/100M | |||||||
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| L529 120Z/100M | ||||
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| 4 |
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| 2 |
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| 3 | Line Out |
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| +3VS_SPD |
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+3VS | Q514 | L531 120Z/100M |
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| 7 | Phone Jack | ||
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| P17 | |||
| DTA144WK |
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| 8 | ||
R685 |
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| 5V_AMP |
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10K |
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| Q515 |
| R673 |
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| DTA144TKA | 4.7K |
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5V_AMP |
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| R659 |
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| 4.7K |
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R102 |
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47K |
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| From U15 | SPDIFOUT |
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R113 |
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| 2 | 1 |
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100K | Q10 |
|
| front page |
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| 3 | 4 |
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| DTA144TKA |
| L527 | L532 |
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120Z/100M PLP3216S
174