19
6-6 ABNORMAL VERTICAL SCANNING
1. ABNORMAL VERTICAL SIZE
OK
NG
OK
NG
READJUST V-SIZE FUNCTION VALUE
RELATIVE CIRCUIT
READJUST V-SIZE FUNCTION VALUE
AND CHECK IC601 PIN1,7
NG
CHECK IC601 PIN5 OUTPUT
CHECK IC401 PIN19,20,21,22,23
RELATIVE CIRCUIT
CHECK IC601 OUTPUT AND CRT
RELATIVE CIRCUIT OR DY
CHECK THE IC601 PIN 2 ABOUT 11.8V
PIN 4 ABOUT -12V
CHECK D601, C605
2. VERTICAL CENTER
NG
READJUST V-CENTER
RELATIVE CKT
CHECK IC401 AND IC601
6-7 SIDE-PIN CUSHION DISTORTION
NG
READJUST SIDEPIN
CHECK IC401,Q404,Q405,Q406
RELATIVE CKT
6-8 POOR FOCUS
NG
READJUST FOCUS CONTROL
CHECK FOCUS CONTROL UNIT,
FOCUS LEAD WIRE,CTR SOCKET&CTR
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 ...