Sony TRINITRON KV-13VM30 Service Manual page 47

KV-20/13VM30/31
RM-Y138/W
7-2. Video Part.
How to check the tuner
module (TU1101)?
A When the VCR receives broadcasting signal, B.
the picture is not appear at television.
; ; Are 5V, 12V, 30VA applied to TUNER?
E TV channel displayed on digitron?
Yes |
Are PLL data, clock, enable pulses
Does "VCR" display on digitron? applied to TUNER?
Ye | Yes |
During Ch up/down, does the
Are the B* applied to TUNER value of AFT vary at TUNER?
TUNO??
Yes |
Is 5V applied to tuner
module(TU1101) ?
Yes |
Is the IF out signal output
to Q1241?
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