- 101/132-
LG Electronics Inc.
Checking Flow
Checking Flow
START
Check the DSP Trouble
Check audio signal at C514,C515
Check the voltage at C510
C511,C507
Check the audio signal at SPK+,SPK-
Check the contact of SPK
Replace Power Components ( LDO , PMIC )
SPK will work properly
YES
YES
NO
NO
NO
YES
YES
Replace MSM or Main B/D
Check the soldering at
C514,C515
Re-solder C514,C515
Replace U502
Check the soldering at
U502
Re solder U501 with heat gun
Check the clock signal at U507-Pin#4
NO
YES
Replace U408
Check the voltage at
C502
Re-solder U507 with heat gun
NO
NO
YES
YES
NO
YES
C515
C514
C511
C510
C507
U507
Z3X-BOX.COM
Summary of Contents for VX9700
Page 26: ... 25 132 LG Electronics Inc VX9700 28 Powering Down Restart Z 3 X B O X C O M ...
Page 59: ... 58 132 LG Electronics Inc VX9700 Waveform Waveform F106 pin2 DP2 pin2 Z 3 X B O X C O M ...
Page 154: ...CON104 Z 3 X B O X C O M ...
Page 156: ...Z 3 X B O X C O M ...
Page 159: ...CON809 SW101 SW102 Z 3 X B O X C O M ...
Page 160: ...CON808 Z 3 X B O X C O M ...
Page 162: ...CON809 SW104 Z 3 X B O X C O M ...
Page 163: ...CON808 Z 3 X B O X C O M ...
Page 165: ...SW1 CON2 Z 3 X B O X C O M ...
Page 166: ...CON1 Z 3 X B O X C O M ...
Page 167: ... 15 132 LG Electronics Inc VX9700 Appendix 3 Part List VX9700 Part List Z 3 X B O X C O M ...
Page 168: ... 16 132 LG Electronics Inc VX9700 Appendix 4 Components Layout Z 3 X B O X C O M ...
Page 174: ...Z 3 X B O X C O M ...