Sharp 37GT-25S Service Manual page 29

TROUBLESHOOTING TABLES.
Open
Change
R609
0V
Check C876, T601
and connection G2
Check sound setting by R/C.
Signal should be received.
0 V
Check R313,
Q301 and Q302
Check L303, IC201
and speaker.
NO PICTURE
Check
R609
Normal
Check
C867
voltage
Normal
Check CRT
NO SOUND
Check
colector of
Q301 volta
Approx. 20V
29
37GT-25S