- 18 -
2. NO CHARACTER
NO CHARACTER
CHECK
IC302
PIN 20(6.3V) ?
CHECK
IC302 PIN 1, 3, 5?
CHECK
IC302 PIN 14, 16, 18 ?
CHECK
IC303
PIN 1, 5, 11 ?
CHECK
IC303 PIN 4 (105V)
PIN 8 (15V) ?
TROUBLE IN
P302 6.3V LINE
TROUBLE IN
PC SIGNAL,
P301 SIGNAL CABLE
TROUBLE IN
IC302
TROUBLE IN
P303 15V LINE/
105V LINE
TROUBLE IN IC303
NO
YES
NO
NO
YES
YES
YES
YES
NO
NO
CHECK
R, G, B CATHODE
VOLTAGE?
TROUBLE IN
R341~R343,
R351~R353, L301~L303,
D307~D312
TROUBLE IN
CRT SOCKET
YES
NO
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 ...