43
105S2 CM23 GSIII
Repair flow chart
C. Horizontal deflection
output repair flow :
1. Sympton :
without
H-deflection.
2. Sympton :
East /West
corr. fail
check Hsync
7501 pin6
check
7623 drain
180V
check Hsync
7501 pin8
check Hsync
7606 base
check Hsync
7621/ 7622
emitter/collector
check Hsync
7605 gate
refer 7501
check list
N
Ok
Ok
check short circuit
5611 pin4
check
6631,7621,7622
Ok
N
N
replace 5611
check
7617/7619
Enter factory mode
check linearity data
in the eeprom
check
5608 / 7614
check 7503
pin11
parabola exist
check
7610/7611/7612
parabola exist
check 2629
parabola exist
3. Sympton :
H-linearity
(full freq.range)
check
1602
refer 7503
check list
4. Sympton :
H_dc shift
check
1602 / 3644
check
6634 / 6635
N
N
N
refer 7801check list
refer 7801check list
Q2 / Q3
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