Philips 107B30 Service Manual page 38

C. Horizontal deflection
output repair flow :
1. Sympton :
without
H-deflection.
replace 5612
2. Sympton :
East /West
corr.
3. Sympton :
H-linearity
(full freq. range)
4. Sympton :
Rotation
5. Sympton :
H_dc shift
6. Sympton :
Focus
Back
Repair Flow Chart (Continued)
check Hsync check Hsync
7606 base 7605 base
check
180V
check 2639
parabola 7611 ~ 7613
exist parabola exist
enter factory mode
check linearity data
in eeprom
check check 7621
7682,7683 pin 1,2,3,4,8
check
1603
enter OSD
function
7685collector
disable morier
check Hsync
7501 pin8
check Hsync
Ok
7603 drain
No
check
6602,7601,7602
check check 7501
pin11
parabola exist
check
3656
7614
check cpu
7801
pin 4,5,6
check
3698
check
3651
check check
7501 pin 32
M36 107B3 GS_3
9
Go to cover page
check Hsync
Ok
7501 pin6
No
refer 7501 check list
or replace 7501
refer 7501
check list
check
3647
replace 5611
check cpu
7801 pin38
control range
check
5671
Forward
47