Equivalent Circuit - Toshiba 4560 Service Manual

Waveform time chart of each section
1
øIN
0
A
B
C
V I
O reg
D
I
OFF
I
ON

Equivalent circuit

V A A
CC2
1 2 3
F1 F2
IC2
IC2
4560/4570 OPTICAL
Ec: C1 discharge voltage
Ec
øA øA Td1 Vref
15 13 8
IC2
C1
R3
R1
IC2
—
+
IC1
D1
NC Vref Td2 øB
9 12 11 10 14
C2
R4
R2
— —
R5 R6
+ +
IC1
D2
R7 R8
7 - 10
øB B B
16 7 6
F4 F3
IC3
IC3
IC3
IC3
Nov. 1997 © TOSHIBA
I
oh
0(A)
V
ref
0(V)
0(A)
0(A)
PG SG
4 5
SUB