ViewSonic N2752w-1M - Page 61

6. Trouble Shooting Flow Chart
6.1. NO VOICE
TV
Check I112 Pin11 has
output signal?
Replace I112
Check I134 Pin3,13
has output signal?
Replace I134
AV,S-VIDEO,YPbPr
No
Check I106 has I2S
signal output to I145?
No
Yes
Yes
Check I135 is
defective?
Replace I135
Yes
Check I136 is
defective?
Replace I136
Yes
Check Pin37 of I145 is
high?
Check Earphone
circuit
Yes
Check I145 is
defective?
Replace I145
Yes
Check Speaker Wire
No
Replace I106
No
Yes
No
Yes
No
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