Flyback Transformer - Hitachi CM625ET Service Manual

Hide thumbs Also See for CM625ET:
Table of Contents

Advertisement

E. HORIZONTAL OUTPUT STAGE
sw
fh
30~32.9k
33~35.9k
36~39.9k
40~44.9k
45~50.9k
51~54.9k
55~57.9k
58~61.9k
62~65.9k
66~70.9k
71~83.9k
84~above
F. FLYBACK TRANSFORMER
In the primary of F.B.T, there is about 700Vpp in the LC resonant interval,
It convert to the secondary of F.B.T to produce about 25KV for CRT anode voltage.
The other bias for CRT IS G4.G3 (4∼8KV),G2(0∼1000V)and G1(-170V)
C541
C511
C520
C521
C519
sw1
sw2
sw3
L
L
L
H
H
L
L
H
L
H
H
L
L
L
H
L
H
H
H
H
H
H
H
H
L
L
H
H
L
H
L
H
H
H
H
H
C525
sw4
→ Cs=C511+C541+C520+C521C+C519+C525
L
L
H
H
L
L
L
L
H
H
H
→Cs=C511+C541
H
17

Advertisement

Table of Contents
loading

Table of Contents