Schematic Diagram - Vivitar 283 Service Manual

R1
10K
C2
_ 220+
6VDC
0 1
R2
5.6K
02
1
I
I
SCR1
03
C4
500pF
DS1
DS1A
f
1l1f'IJ--0..-o-,
-+-----+--~-+------__,1
s1 0 " - - - - - - - -
- - - - 7
'ac
I
r-1
,---~0
I
I +I I
I
r-+0
I
I I
L _
.J
I I
200VDC
I
I
,--~--
.l _ _ _
l
I
I
I
I
I
SB-4
AC Adapter
I I
I
L - - -
T - I - - -
_J
I I
I .I
I
-~J
120VAC
- - - - - - - - Remote
(Y ELLOW)
Sync
(R ED)
- - - - - - - - - - - I
-- ---- -- - -
__
,
Hot Shoe
R10
1M
C5
(See Fig. 4-1)
Test Point
04
+
C1
1100
100pF
•
~
I
I
I
I
I
Q4
_____ ____
_)
Pin
C21
220pF
Sensor - - - - -
S2
Indicator
R11
820K
R12
2 .2
05
C7
0 .047
C6, 0 .33
C6A, 0.068
L1
06
D6A
T2
SJ ..J...Open Flash
DS2
\ - .._-_-_,-...lM
\
'
Hot Shoe
S4
BCC
1
C16
0 .047
C15 .
0.015
R21
5.6M
07
D7A
R24
1K
Q3
Q3A
SCR2
SCR2A
R25
1K
R26
3K
R27
10K
FT1
C17
0 .05
011
08
09
D9A
098
R15
18K .
C9
0 .05
R28
470K
R29'
1M
R30
1.8M
010*
D10A
C19
C10
0.56
C12
0.068
R16*
560
C13
0.047
R18
22
R31
1K
C20
0.1
0.047
T3
Unless designated otherwise, all resistances in Ohms, all capacitance in microFarads.
K
=
1,000
M
=
1,000,000
pf
=
picofarad (s)
I
• 010, 01 OA and R16 not installed on productions after 6/25n7
_.On units produced after 8/79, L2 Inductor is removed. C11 is changed to 3.9mf.
Automatic Electronic Flash
Model 283
R19
18K
C14
0 .1
Figure 5-6. Schematic Diagram