NEC DSC-3261HA - Page 15

14
Trouble shooting Chats
2. NO COLOR
Check signal at
19th pin of I701
NORMAL
ABNORMAL
Refer to
no picture
Change the system
PAL ---> NTSC ---> SECAM
Check R, G, B signal
42,43,44th of I701
Check/Replace
Q501, Q542, Q543,
Q544
Check
CRT BLOCK
Check/Replace
trap of IF module & Q103