Goldstar MONOCHROME MONITOR MBM-2105GIA - Manual (Page 8)

TROUBLESHOOTING GUIDE
A N D P O W E R
REG CIRCUIT 7
Y E S
, C H E C K C R T V O L T A G E 4 5 0 V N O TROUBLE IN
2 C H E C K C R T ( H E A T E R ) V O L T A G E
L E A D L E A D
Y E S
C H E C K C R T V O L T A G E
A B O V E TROUBLE IN
T R 3 0 3 ,
Y E S
(SUB-BRIGHT,, (CONTRAST,,
B R I G H T , , V I D E O C A B L E
SYNC TROUBLE
S Y N C T R O U B L E
TROUBLE IN
K T C
TR902, KTC 1959
K T A
K T C
T R 3 0 4 KTC 2229
B U
K T D
T E A
T R 3 0 3 2 N 3 9 0 4