Car audio and car goods internet store Winauto
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3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
To keep the product quality after servicing, please confirm following check points.
No. |
| Procedures | Item to be confirmed |
1 |
| Confirm whether the customer complain has | The customer complain must not be |
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| been solved. | reappeared. |
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| If the customer complain occurs with the | Display, video, audio and operations must be |
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| specific media, use it for the operation check. | normal. |
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2 | DVD | Play back a DVD. | Display, video, audio and operations must be |
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| (Menu operation; Title/chapter search) | normal. |
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3 | CD | Play back a CD. | Display, audio and operations must be |
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| (Track search) | normal. |
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4 | FM/AM tuner | Check FM/AM tuner action. | Display, audio and operations must be |
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| (Seek, Preset) | normal. |
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| Switch band to check both FM and AM. |
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5 |
| Check whether no disc is inside the product. | The media used for the operating check must |
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| be ejected. |
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6 |
| Appearance check | No scr tches or dirt on its appearance after |
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| receiving it for service. |
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For check items concerning image and voice, please refer to the followings:
Check items concerning image | Check items concerning voice |
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Distortion | |
Crosscut noise | Noise |
Dot noise | Low volume |
Distorted image (Image skip) | High volume |
Low brightness | Changes in level |
Too bright | Pause of sound |
Color fading |
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Partial discolorat on |
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