Earpiece; Introduction; Measure Method - Asus M530w Service Manual

華 碩 電 腦
華 碩 電 腦

10.2 EARPIECE

10.2.1 Introduction

This test item mainly verifies the function of the earpiece in the
handset.

10.2.2 Measure method

1. Set up the power supply voltage and current at 4V and 1A.
Connect to the battery connector positive and negative of the
handset.
2. Press the POWER ON Key to power on the handset.
3. After entering the MMI Test Mode, plug the earpiece into the
handset. Select the "Audio" test item. Press "play", The
melody can be heard from the earpiece.
4. Press "recode". Blow the microphone hole of the earpiece, the
sound can be heard from the earpiece.
AJACK_EAR_R_SW
[2] HS_DETECT
AJACK_EAR_L_SW
1 1
C336 C337
2 2
GND GND
$33PF/50V $33PF/50V
AJACK_EAR_R
2 1
L304
1400Ohm/1Ghz
AJACK_EAR_L
2 1
L305
1400Ohm/1Ghz
1
1 1
R316
C317 C318 30KOhm
2 2
2
GND
GND GND
$100PF/50V $100PF/50V
Earpiece circuit
30
TSD ■ Lv3Lv4 Repair Manual
[6] AJACK_MIC_IN
VCC_MEM_BVD
2
R314
200KOhm/1%
1
1
R328 0Ohm
D302
1 1
R327
30KOhm
$331K
2
2
GND
J1
1
3
5
2 4
2
AJACK_GND
6
7
NP_NC1
D305 8
1 1 NP_NC2
R315
0Ohm MINI_JACK_6P
$331K
2
2
VSS_AUD
GND
ASUS Proprietary