Service manual

Wells-Garnder Color Vector Monitor Guide
Page 25 of 73
Symptom: No Green
On neck board:
• R503 (open)
• R513 (wrong value)
• R520 (wrong value; was 22)
• R530 (open)
• Q501 (bad or base shorted to emitter)
• broken wire at R513
• jumper from R511 to R513 missing
On deflection board:
• neck board connector wrong type
• broken green wire from deflection board to neck board
Symptom: Only Green
On neck board:
• Q503 (reversed or wired wrong)
Symptom: Green Too Bright
On neck board:
• Q501 (collector shorted to emitter)
Symptom: No Green + Blue Is Red
On neck board:
• R500 (shorted to R529 or shorted to R502)
Symptom: Green Is Red
On neck board:
• R502 (shorted to R500)