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3
7
SYMPTOM: NO WORK/LED IS RED ABNORMAL
No work / LED is red
Replace U2,U25,U29,U49
Yes
Yes
No
No
Check if RMC
PCB is normal
Replace RMC PCB
Replace Main PCB
Check if voltage of U2,
U25,U29,U49 is normal
*
U2
U25
U29
U49
+5 V
+5 V
+5 V
+5 V
+3.3 V
+3.3 V
+2.6 V
+1.26 V
V
out
V
in
* S
e
e below diagrams
Содержание L32A102
Страница 2: ...PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS SAFETY NOTICE ...
Страница 16: ...FUNCTION BUTTON BOARD DIAGRAM 16 PCB DIAGRAMS RMC BOARD DIAGRAM AV BOARD DIAGRAM ...
Страница 17: ...MAIN BOARD DIAGRAM TOP 17 ...
Страница 18: ...MAIN BOARD DIAGRAM BOTTOM 18 ...
Страница 65: ...Copyright Digital Media Systems Group 2008 All rights reserved L32A102 L32A102G SC No 0031E ...