DOWNLOAD LG 47LE8500 (CHASSIS:LA02E) Service Manual ↓ Size: 4.98 MB | Pages: 88 in PDF or view online for FREE

Model
47LE8500 (CHASSIS:LA02E)
Pages
88
Size
4.98 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47le8500-chassis-la02e.pdf
Date
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14. Trouble shooting - No audio (AV)
Check AV Cable for damage
or open conductor
Check Audio OSD
(Audio OSD active or inactive mode?)
ok
ok
No (Inactive)
Check R1058 & R900, JK300
Check Audio AMP Mute (pin25)
Replace JK100
No
ok
Check Audio Master clock // AUD_LRCH
AUD_LRCK, AUD_SCK(AMP pin17,18,19)
Replace BCM3549
Check JK100
No
ok
Check Audio AMP voltage
+1.8V_AMP, +3.3V_NORMAL,+24V_AMP
ok
ok
Check output L8804, L8805 &
AMP output
ok
Replace Audio AMP NTP7000
No
Follow procedure & refer to Audio signal block
Diagram 
15. Trouble shooting - No audio (Component)
Check Component Cable
for damage or open conductor.
Check JK100 & Signal Line
ok
ok
No
Replace Jack
Follow procedure 
‘8. All source audio’
trouble shooting guide.
Check Cable conductors
for damage or open conductor
Check JK8401 & Signal path
ok
No
ok
Replace Jack or components
Follow procedure 
‘8. All source audio’
trouble shooting guide.
16. Trouble shooting - No audio (RGB-PC)
Check SPDIF Cable
Check JK8400
SPDIF_OUT Signal(5V)
ok
No
Replace Jack
17. Trouble shooting - No audio (SPDIF)
ok
Replace IC900
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