Service manual
36
Check Point
By typing LO."" (RET) and loading in a long
playing cassette tape start probing at J2 CSST out.
Repair Method
1 You can easily follow the signals from J2
through opamp 10E 314. (Remember pin 6 is
normally -12v) and in to 4070 CMOS out at pin
4. - Replace faulty component.
2 If no fault found change CPU or CTC.
c)
Cause of Trouble
Incorrect PAL14L4 value link arrangement or timing
Check Point
Link 6 and link 7 + PAL14L4
Repair Method
1 See page 45 for link variations and pal colour
codes
MTX Service Manual