Troubleshooting Guide - Goldstar MONOCHROME MONITOR MBM-2105GIA Service Manual

TROUBLESHOOTING
Y E S
, C H E C K C R T (GZ) V O L T A G E 4 5 0 V
2 C H E C K C R T ( H E A T E R ) V O L T A G E 12V
Y E S
C H E C K C R T CATHOD V O L T A G E
Y E S
(SUB-BRIGHT,,
V I D E O C A B L E
GUIDE
REG
TROUBLE IN
N O
L E A D (HI,. L E A D (Vl, V2)
A B O V E 55V TROUBLE IN
T R 3 0 3 , TR304.
(CONTRAST,,
SYNC TROUBLE
S Y N C T R O U B L E
TROUBLE
CIRCUIT
7
TR902,
IN
TR304
TR303
K T C ,015
KTC 1959
K T A 562TM
K T C 1815
KTC 2229
B U 806
K T D 880
T E A 2037A
2 N 3 9 0 4