18
6-5 ABNORMAL HORIZONTAL DEFLECTION
1. ABNORMAL HORIZONTAL WIDTH OF VIDEO
NG
OK
CHECK THE RELATIVE CIRCUIT
OF Q404, Q405, & Q406
CHECK THE RELATIVE
CIRCUIT OF SMPS.
READJUST H-WIDTH FUNCTION
CHECK THE HV OF
CRT ABOUT 24.5KV
CHECK FBT B+ VOLTAGE
ABOUT 62V AT FH=31KHz
NG
OK
2. ABNORMAL HORIZONTAL VIDEO CENTER
3. ABNORMAL
HORIZONTAL
LINEARITY
CHECK IC401 PIN5,12
RELATIVE CIRCUIT
CHECK L401 AND C430 OR R456
RELATIVE CIRCUIT
Summary of Contents for E773c Series
Page 16: ...16 6 2 ABNORMAL DISPLAY 1 NO SIGNAL ON SCREEN ...
Page 21: ...21 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...
Page 38: ...38 9 BLOCK DIAGRAM IC801 NT6812K ...
Page 39: ...39 9 1 BLOCK DIAGRAM SMPS ...
Page 41: ...41 ...
Page 42: ...42 IC801 NT6812KG ...
Page 43: ...43 ...
Page 44: ...44 IC901 STR G5643D 1 2 3 4 5 D S GND VCC OCP FB ...
Page 45: ...45 11 PCB LAYOUT ...
Page 46: ...46 ...
Page 47: ... 47 12 CHEMATIC DIAGRA ...
Page 48: ...48 ...
Page 49: ...49 ...
Page 50: ...50 ...