akira LCT-20HSST, Руководство по обслуживанию

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Model No.: LCT-20HSST
Version: 1.0
TROUBLESHOOTING
No picture
Can see the
PRESET menu
Check the cables from
XP312 to XP110,
XP311 to XP102
Set “black screen” in
OPTION 1 to “off”
Can see picture?
OK
Change the teletext
board
(E/RSAG7.820.234A)
Can see picture? OK
IC N301 Pin3, IC N302
Pin5 (H & V SYNC
output)?
Replace N304
IC N301 Pin10, IC N302
Pin2 (H & V input)?
Replace N301 or
N302
Check IC N201 Pin 45
(8V)
Check L205, N501
Check N201, 5V supplier,
S AW, 33V supplier,
TUNER
YES
YES
YES
NO
NO
NO
NOK
NOK
YES, no problem
YES, no problem
YES, no problem
NOK