NEC MultiSync V920 User Manual

CHECK
U301 PIN 1, PIN 2
H/V SYNC
NO RASTER
CHECK
B+
TROUBLE IN
MCU U701
YES
YES
TROUBLE IN
Q315,Q318,T301,D320,
D321,Q325,Q305,Q306,T302
CHECK Q315
COLLECTOR ABOUT
1050Vp-p
CHECK G1
VOLTAGE ABOUT
-45~65V
TROUBLE IN
G2 VOLTAGE
YES
YES
TROUBLE IN
Q331, Q323, Q329, R394,
D314, T302, C328, U701
NO
NO
CHECK
T302 PIN 3 VOLTAGE
57V AT 31.5KHz, 172V
AT 93.7KHz
TROUBLE IN
U301,Q312,D317,D111,R387,
R312, Q307, Q308
OR DEFLECTION YOKE
YES
NO
CHECK
U301 PIN 26, 28
H/V SYNC
TROUBLE IN
U301
YES
YES
NO
NO
POWER SUPPLY
CHECK
NO
YES
CHECK
U701 PIN 31 IS LOW
NO
5. NO RASTER
22

NEC MultiSync V920 Specifications

General

Brand	NEC
Model	MultiSync V920
Category	Monitor
Language	English