Specifications

17" CDT Color Monitor AOC FT720
18
6-3 No Blanking
N
G
O
K
CHECK THE RELATIVE
CIRCUIT OF BLANKING
CHECK THE RELATIVE CIRCUIT
CHECK G1 RELATIVE CIRCUIT
FBT PIN 5 ON MAIN PCB
OF Q705, Q708
6-4 Hor./Osc/Def/Hv Circuit Fault
1. No Raster (Disconnect With Signal Cable)
N
G
O
K
O
K
O
K
N
G
N
G
N
G
CHECK THE COLLECTOR VOLTAGE
CHECK THE COLLECTOR VOLTAGE
RELATIVE CIRCUIT
RELATIVE CIRCUIT
CHECK Q402, T401
CHECK T401, T402, Q402, Q403,
ABOUT 3Vpp
OF Q403 ABOUT 1200Vpp AT FH:31KHz
D408, C418, C419, H-DY, B+
CHECK IC401 PIN 26 WAVE FORM
CHECK IC401 PIN 4~6
,
PIN 13
CHECK IC401 PIN 29 ABOUT 12 VDC
CHECK IC401 PIN 29 RELATIVE
CIRCUIT
OF Q402 ABOUT 20Vpp
英华家电维修资料专用 QQ:505966338