
6-6 ABNORMAL VERTICAL SCANNING
1. ABNORMAL VERTICAL SIZE
2. VERTICAL CENTER
6-7 SIDE-PIN CUSHION DISTORTION
6-8 POOR FOCUS
OK
NG
OK
NG
READJUST V-SIZE FUNCTION VALUE
RELATIVE CIRCUIT
CHECK VERT. OSC CIRCUIT
RELATIVE CIRCUIT
NG
READJUST V-SIZE FUNCTION VALUE
CHECK THE VOLTAGE OF IC101
RELATIVE CIRCUIT
CHECK IC401 PIN 20, 21, 22, 23
CHECK THE IC601 PIN 2 ABOUT 11.8V
PIN 4 ABOUT -12V
CHECK D601, C605
NG
READJUST V-CENTER
RELATIVE CKT
CHECK IC401 AND IC601
NG
READJUST SIDEPIN
CHECK IC401, Q404, Q405, Q406
RELATIVE CKT.
Page 23 of 71
5Elr SERVICE MANUAL
9/4/2002
file://D:\PC%20AOC\SERVICE%20MANUAL\HP\D8905A\S761V-D8905A.htm
Содержание D8904
Страница 1: ...SERVICE MANUAL COLOR MONITOR Hewlett Packard D8904 D8905A S761V ...
Страница 9: ...080 Factory Preset 9300 6500 CONTRAST H MOIRE REDUCE Pag E MANUAL ...
Страница 22: ...READJUST FOCUS CONTROL NG CHECK FOCUS CONTROL UNIT FOCUS LEAD WIRE CRT SOCKET CRT Page 24 of 71 ERVICE MANUAL ...
Страница 66: ......
Страница 67: ...11 2 CRT BOARD LAYOUT Page 70 of 71 5Elr SERVICE MANUAL ...