2. raster horizontal one – Toshiba TW40F80 User Manual
Page 43
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4-2. Raster Horizontal One
4-2-1. Adjustment Method
(1)
Disconnect any video inputs
(2)
Open RX-40.
(3)
Connect frequency counter to QX19 emitter.
(4)
Adjust LX18 until frequency reading of “28.7 MHz
± 0.5 MHz” is obtained.
Horizontal one
Output at pin 8
of PX02 OK?
Check V circuit.
Output at pin 2
of PX02 OK?
Check receive circuit.
Is output OK
at I
2
C bus?
Data initlalization OK?
Check I
2
C
bus line.
Y
N
N
N
N
Y
Y
END
Y
Replace QX01.
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