5. Trouble shooting
5.9 Vibrator trouble
Check Points
-Connectors combination
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| MOTOR CIRCUIT | |||
| VBAT |
| 3V0_VMOT | ||||
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| TP4 |
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C300 |
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| U300 | ||||
1u |
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| 1 | VDD VOUT 3 |
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VIB_PWR_EN
R301
4 | NC | GND1 | 2 |
6 | CE | GND2 | 5 |
100K
C303 1u
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| U301 | TC7SZ86FU |
| R303 | 0 |
| 1 |
| 5 | ||||||
LIN_INVERT | R305 |
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| 0 |
| 2 | IN_B | VCC | ||||
LIN_PWM_FRQ |
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| 3 | IN_A | 4 |
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| GND | OUT_Y |
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| 1 | U304 | TC7SZ86FU |
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| IN_B | 5 | |
| R307 | 0 |
| 2 | VCC | |||||||
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LIN_PWM_MAG |
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| 3 | IN_A | 4 |
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| GND | OUT_Y |
3V0_VMOT
| TP3R304 |
VIB_PWR_EN | |
R306 | 0 |
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130K |
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R308
C314
130K 0.01u
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| C307 |
| 2200p |
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| R302 |
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| 100K |
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| U302 | TPA6205A1DRBR | ||||||||
1 | _SHUTDOWN | VDD | 6 | |||||||
2 | BYPASS |
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| VO- | 8 | |||
3 | IN+ |
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| VO+ | 5 | |||
4 | IN- |
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| GND | 7 | |||
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| PGND | 9 | ||
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| R309 |
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| 100K |
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| C316 |
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| 2200p |
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3V0_VMOT
C313
1u
100nHL300 TP1VIB-
OUT300
OUT301
100nHL301 TP2VIB+
TP4
TP3
TP1 TP2
LGE Internal Use Only | - 80 - | Copyright © 2008 LG Electronics. Inc. All right reserved. |
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| Only for training and service purposes |
