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MICROPROCESSOR CONTROL CIRCUIT
Fig-35
r5l9d.~
'~-_~I-----1r------'
I
2V
@
RS47
R548
R549
1001lI R511
~506
16V
T
10K
3K
c~N~~~1.4--cs-0-4f-"N'r-
0
R~g~
_
OUTPUT
IOU
QSO
I
-r-w.--{l
R4Q
50V
2SC
RS97
•
~
ii
6 _
2. 7K
R5Q9
V . 5 I ZE
.-------'{vl--t
3K
R5Q4
T
e
IQK
CO~TR'Ji.
C50?
.~_
4 n43
OUTPUT
IOU
"
S0>1
RS95
.
.n.
,2.?K
.
[[~t
•
R5!?
R51G
RSIS
A510
c~~~~~I 4'~~ih:~r,·<rrmK.
G,:K_
3K
@
R~g~
OUTPUT
C510
c,,o..
C50g
0505
'~'
RG3
4 . .TU
IO~
IOU
zso·
RS9G
50\1
,..
50'1
"or
50'1.
I B! 5
2. 7K
;,
M13
R51S'I70
_
IDI ....
---;;s;f'47~
R7Q
102-+~7~
R71
V.POLARlTi ... ·
; R72
R521
470
H.
POLAR
I TY"'--JoM-
RS22 4.7K
H.SiNC ...
·--JoM
,
RBI
(121
R523 4.7K
. _
V.S)·NC·.---vvv--~; RB2(I~TJ
C56:;.l~
4.2 Vpp
CSI7
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20P
50Y •
5.0'>1
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r'1~:<lN
r
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OSIB
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~
.,
o
VCC
R61
01
Q513
CS MSMI6911
ORG
RaOllNT21
Ra3
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I )
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!}-7+--{
.
/.
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R53~_
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RS39
'17K
0~O7
zsclals\'
10K
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10K
Q50B •
2SCIB!SY
0509
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2SCISI5Y
.1')-NCIKEi OU1)
RE~l tI~"'-'-'';;')O,--
_ _ _
-+-_ _
--+_--{~
.oUT
~t; ~
RESET
R543
10K
R90 - : } - - - - - - ;
(R5Q
5)
PSQ3 .4
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R51
~
1
l
RS2
7)
J
KQG
-.9~
J
TQ PNS-17QI
KEY
KOI
IN
l
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KO.1
FH
(KHZ)
2S'4Q,~
4Q,Q·53.G
53 _ 6' G6. 4
.. C51
J
OCLU")
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GND
2
YO
HI
HZ
(PSO! ·3) !PSOI·2)
~P50!·!
,
10. TV
OV
QV
QV
1.0. ?V
OV
GV
OV
10. 'V
MODE
_~O
OUTPUT
~I
OUTPUl
.112 OUTNT
OPC CONTROL
OUTPUT
R500
4.7K
frequency.
It outputs the pulse width modulated
signal in 64 levels in accordance with 6-bit data.
H. F
/I
CIRCUIT
3.36
H~
F
tv
(FREQUENCY TO VOLTAGE OUTPUT)
CIRCUIT
(Refer to circuit diagram Fig-36)
Pin 3 of 0512 outputs a PWM (Pulse Width
Modulation) signal which is proportional to H-sync.
=
3-29
=
C50G.
IOU
SOV
!ZV
R513
10K
R50A
IK
Fig-36
5V
~
I
I
~
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I
-V
I
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