ViewSonic VS11404-1G Service Manual page 52

6.2. NO VOICE
TV model
NO
Check
Replace I501
I501 pin 14
Check
SCART1
SCART
I205 pin 9,11,12,14
C261,C262,L510,L511
NO
Check I601
pin 44,45
Check
I205 pin 9,10,12,13
SCART2
C264,C265,L512,L513
NO
Check I601
Replace I601
pin20,21
Yes
NO
Check L609 Check Power
12v? 12v
Yes
NO
Check P603 Replace I602
Yes
Check speaker
AV,
S-VIDEO
NO
Check I601 Check C602,C603
pin 38,39 L601,L604
YPbPr
NO
Check I601 Check
pin 35,36 C610,C612,L605,L606
PC
NO
Check I601 L607,L608
pin 41,42 C607,C608