Y Fm Carrier Adjustment ., 1~26; Y Fm Deviation Adjustment; Fm Audio Deviation Adjiistment; Recording Current Adjustment - Canon Canovision8 E50E Service Manual

1.5 + 0.02 MHz
6-11 FM audio deviation adjustment
as possible.
SIGNAL |D.0. Adj. Master (DY9~1064-000)
R.MAIN C.B.A, VRIO3 (A DEV)
890 + 50 mVp-p _]
Fig. 11-64 20 mV/10 us
6-8 Y FM carrier adjustment
SIGNAL
Black (Cut R.G. and B with raster.)
™, £0,
pads. |
Oscilloscope
VRIO9 (CY _CAR,)
0,24 sec./1 cycle (4.2 MHz approx.)
Fig, II-67 50 mV/O.5 ms
6-12 Recording current adjustment
cycle.
6-9 Y FM deviation adjustment
My EQ. Oscilloscope
TP/TRIG.}HA-C.B.A.
TP220
(REC CURR)
ADJ.
R.MAIN C.B.A.
VRI06
(REC Y)
SPEC. 300 + 10 Vp-p
* Note: Use the signal waveform having the
shortest cycle.
SIGNAL [100% white video signal
Mone [EE
(m. £0. [Oscilloscope
TP/TRIG.{R.MAIN C.B.A. TPIO6 (Y FM)
ADI. R.MAIN C.B.A, VRIO8 (Y DEV)
SPEC. _|0.57 lisec./2 cycle (5.4 MHz approx.)
300% 1omv.
TUT A
aia TT
7
Fig. 11-68 10 m¥/50 ns
Fig. I1-66 10 mV/50 ns