LG FLATRON L172WT Service Manual page 20
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Also See for FLATRON L172WT:
- Brochure & specs (64 pages) ,
- Manual (43 pages) ,
- User manual (48 pages)
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POWER CHECK OF MSP3420G(U503) : L514(8V), L509(5V)
POWER CHECK OF TPA3004(U505) : C550(12V)
CHECK SOUND OF VCR, HDTV,PC
(TV)CHECK CONNECTION OF TUNER
AND ANTENNA
YES
CHECK MSP3420G(U503) I/O SIGNAL
YES
CHECK TPA3004(U505) I/O SIGNAL
YES
CONNECTOR CHECK
5. SOUND TROBLE SHOOTING
NO SOUND OUTPUT
NO
NO
NO
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CHECK SOUND INPUT
=>PC SOUND(J505)
=>VIDEO, HDTV SOUND
CHECK THE PERIPHERAL IC OF
MSP3420G(U503)
INPUT: CHECK THE PERIPHERAL IC
OF MSP3420G(U503)
OUTPUT: CHECK THE PERIPHERAL IC
OF TPA3004(U505)
CHECK CONNECTION OF
SPEAKER ON MONITOR
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