1995VLX/VL2X/BLX7.0 TROUBLESHOOTING
7.5.2 Vertical Deflection Circuit
No vertical scan
START
CHECK VERT. O/P AT PIN5OKCHECK P401 VERT. YOKE
OF IC201R207, R208, R226, C207
NG
CHECK PIN1,7 OF IC201OKREPLACE IC201 OR IT'S
OR PIN12,13 OF IC301PERIPHERAL PARTS
NG
CHECK V-SYNC (PIN14) OFOK
IC301CHECK R319,C313,C314
OK
NG
CHECK IC501 AND P501,REPLACE IC301 OR
ZD503IT?S PERIPHERAL PARTS
END
CTX25 |