TROUBLESHOOTING GUIDE
- 17 -
NO POWER
(POWER INDICATOR OFF)
TROUBLE IN
D901, D902, D903, D904
TROUBLE IN FUSE
(F901)
TROUBLE IN
IC901
TROUBLE IN
D941, D951, D961,
D971
TROUBLE IN
IC950, Q972, Q971,
Q952, Q951, Q942, Q941
CHECK
FUSE OK?
CHECK
C908 VOLTAGE?
(AC120V: 160VDC,
AC220V: 304VDC)
NO
YES
YES
YES
YES
NO
NO
NO
CHECK
IC901 PIN 6
WAVEFORM
(SQUARE WAVE
COMES OUT?)
CHECK
D941, D951, D961,
D971
VOLTAGE?
1. NO POWER
Summary of Contents for StudioWorks 575E
Page 28: ... 27 PRINTED CIRCUIT BOARD 1 MAIN BOARD Component Side ...
Page 29: ... 28 2 MAIN BOARD Solder Side ...
Page 30: ... 29 3 VIDEO BOARD Component Side 4 VIDEO BOARD Solder Side ...
Page 31: ... 30 5 CONTROL BOARD Component Side 6 CONTROL BOARD Solder Side ...
Page 32: ...EXPLODED VIEW 31 1 7 8 9 18 15 17 16 14 1 14 2 B C A 11 10 12 13 2 3 4 6 5 ...
Page 51: ...50 4V 85 2V 3 40V 15 6V 1 88V ...