Repair Flow Chart (Continued)
C. Horizontal deflection output repair flow :
107T5 |
| 75 |
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1.Sympton : without
check Hsync 7605 base
check Hsync 7601 base
check Hsync 7501 pin26
replace 5156
check | Ok | check Hsync | Ok | check Hsync | |
190V | 7615 drain | 7501 pin28 | |||
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| No |
| No | |
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| check |
| refer 7501 check list | |
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| 6611,7613,7614 |
| or replace 7501 |
2.Sympton : East /West corr.
check 2614 parabola exist
check
7602 ~ 7604 parabola exist
check 7501 | refer 7501 | |
Pin24 | ||
check list | ||
parabola exist | ||
|
3.Sympton :
(full freq. range)
4.Sympton : Rotation
5.Sympton : H_dc shift
enter factory mode |
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| check |
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check linearity data |
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| 3620 |
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| ||
in eeprom |
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| 7606 |
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check cpu
7801
pin 30
check |
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| check 7402 |
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| check |
7403,7404 |
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| 3422 |
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check |
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| check |
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| 3616 | |
1601 |
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check 3618
replace 5608
check cpu 7801 pin4 control range
6.Sympton : Focus
enter OSD |
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| check |
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function |
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| 7616collector |
| |
disable morier |
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check
7501 pin 32
check 5671