Sharp 29A-SX1 - Page 25

25
29A-SX1
29A-SX5
29A-SX8
Check TU200, Q204 etc. Does 5V appear at pin (7) of TU200.
Check L201, IC751 etc.
No
Yes
TROUBLE SHOOTING TABLE (Continued)
NO PICTURE
Does the snow noise appear on the picture tube at max contrast and brishtness control?
C
Snow noise increase.
Does 9V appear at pin (6) of TU200 (TUNER).
Check IC750, L202, TU200 etc.
No
Does 33V appear at pin (9) of TU200.
Check IC753, L203 etc.
Yes
No
Yes
No