Asus P535 User Manual download pdf (Page 121)

TC ■ Lv3Lv4 Repair Manual

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25.8 SIM card problem:

1. Inspect SIM card connector as shown in Pig.10, if SIM card can not be detected.

2. Inspect power domain of SIM card as shown in Pig.10, if SIM card can not work.(CON6.1)

3. Inspect unlock SIM card program, if SIM card can not be detected.

Pig.10 SIM card connector is located in P535 bottom side.

25.9 Audio problem:

1. Inspect speaker, receiver and handset connectors, if the sound can not work.

2. Inspect handset detect pin (low level) as shown in Pig.11-1, if the sound of speaker or receiver can not

work.

3. Inspect audio amplify chip as shown in Pig.11-2, if handset include sound and record can not be work.

4. Inspect power domain of Codec as shown in Pig.11-2, if microphone and speaker can not be work.

Pig.11-1 Headset detect pin signs in red box.

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Asus P535 User Manual Page 121