Service manual

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TROUBLESHOOTING GUIDE
2-5) NO VERTICAL DEFLECTION
I501
LA76845
5V
#24 X501
3.58MHz
Check
the crystal
#38
L502 Chroma/DEF Vcc
#43
Check
the voltage
C508
C507
Check
the voltage
(2.5V)
V RAMP
ALC filter
#23
I301
LA78041
R301
#1
#5
Check
vertical output
signal
Invert RAMP
IN
OUTPUT
VERTICAL
D.Y
Check
the waveform
If no output
then change I301
#6
D404
Vertical IC Vcc(26V)
From
FBT
Appendix