5. NO RASTER
CHECK
U302 PIN 14, 15
H/V SYNC
NO RASTER
POWER SUPPLY
CHECK
CHECK
B+
CHECK
U302 PIN 18, 19, 8
SYNC
CHECK
T301 PIN 3 VOLTAGE
56V, 68V(AT H-FREQ.
31.5KHz)
PROBLEM IN
MCU U701
PROBLEM IN
U701, U302
PROBLEM IN
U302, Q319, D335, L304
OR DEFLECTION YOKE
PROBLEM IN
Q307, Q308,T302,
D307, D308
CHECK Q307
COLLECTOR ABOUT
1050Vp-p
CHECK G1
VOLTAGE ABOUT
-45~65V
PROBLEM IN
Q305, Q306, ZD303
D318, T301, C344
PROBLEM IN
G2 VOLTAGE
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
34
Summary of Contents for MultiSync 75F-3
Page 56: ...DDC Flow Chart 53 ...
Page 57: ...Master I C Flow Chart 54 ...
Page 58: ...Master I C restart mode Flow Chart 55 ...
Page 59: ...Slave I C Flow Chart 56 ...
Page 61: ...BLOCK DIAGRAM I C bus autosync deflection controller for PC monitors TDA4857 58 ...
Page 71: ...I C bus autosync deflection controller for PC monitors TDA4857 68 APPLICATION INFORMATION ...
Page 77: ...74 8 Monolithic triple 13 5nS CRT driver ...
Page 78: ...75 ...
Page 79: ...76 ...
Page 80: ...77 ...
Page 102: ......
Page 103: ......
Page 104: ......