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6-6 ABNORMAL VERTICAL SCANNING
1. ABNORMAL VERTICAL SIZE
OK
NG
OK
NG
READJUST V-SIZE FUNCTION VALUE
RELATIVE CIRCUIT
CHECK VERT. OSC CIRCUIT
RELATIVE CIRCUIT
NG
CHECK THE IC601 PIN 7 ABOUT 40V
CHECK IC601 PIN 6 OUTPUT ABOUT
38Vpp
CHECK ZD601, ZD602 R626 & SMPS
CHECK IC401 PIN 22, 23, 24
CHECK IC401 PIN 12, 13
2. VERTICAL CENTER
NG
READJUST V-CENTER
CHECK IC101 PIN 9, 10
IC401 PIN 18, 19
6-7 SIDE-PIN CUSHION DISTORTION
NG
READJUST SIDEPIN
CHECK IC401, Q404, Q405, Q406
RELATIVE CKT.
6-8 POOR FOCUS
READJUST FOCUS CONTROL
NG
CHECK FOCUS CONTROL UNIT, FOCUS
LEAD WIRE, CRT SOCKET & CRT
CHECK SMPS RELATIVE
CIRCUIT
CHECK IC401,Q408 RELATIVE
CKT.
Содержание HA703UT
Страница 2: ... 1 SERVICE MANUAL COLOR MONITOR IIYAMA Date Sep 08 01 Ver A00 ...
Страница 24: ... 33 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...
Страница 54: ... 63 9 IC BLOCK DIAGRAM IC101 NT6861 VCC MODE WC SCL SDA VSS E2 E1 PRE 24C08 IC102 8 7 6 5 1 2 3 4 ...
Страница 57: ... 66 10 CRT BOARD LAYOUT ...