Repair Flow Chart (Continued)
C. Horizontal deflection
output repair flow :
1. Symptom :
without
H-deflection.
2. Symptom :
East /West
corr.
check B+DRB
7501 pin6
check HDRB
7501 pin8
check HDRB
7618 base
check HDRB
7616 gate
refer 7501 check list
or replace 7503
No
4. Symptom :
rotation
check
7611
enter factory mode
check linearity data
in eeprom
check 7619
check
3615/3611/
7611 collector
check 7501
pin11
parabola exist
3. Symptom :
H-linearity
(full freq. range)
check
7620,7621
refer 7501
check list
5. Symptom :
H_dc shift
check
7628,7629
check
7501 pin 32
enter OSD
function
disable morie
check
7627 and
7627
6. Symptom :
Focus
refer cpu
check list
check cpu
pin 11~14
check cpu
7801 pin38
control range
check
3627/3628
/3629
check cpu
7801 pin2
control range
46
V50 109B5
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Содержание V50 109B5
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Страница 34: ...34 V50 109B5 Control Panel board C B A 9 Go to cover page ...
Страница 36: ...36 V50 109B5 MHR board C B A 9 Go to cover page ...