3 . 1
I NTRODUCTION
SECfION 3
CIRCUIT DESCRIPTIONS
T h i s s e c t i o n d i s c u s s e s t h e f o u r ma j or c i r c u i t s t ha t m a k e up t h e Mode l
2 1 5 0 /2 1 6 0 .
T h e s e f o u r c i r cu i t s a re : me a s u reme n t , mo t he r boa r d , CRT ,
a n d powe r suppl y .
Ea c h o f the di s c u s s i on s t ha t f o l l ow , s ta r t by
p re s e n t i n g a b l o c k d i a g ra m , t h e n c on t i n u e wi t h a d i s cu s s i on of t he
opera t i on o f t h e ma j o r b l oc k s w i t h i n ea c h d i ag ram .
3 . 2 MEASUREMENT OVERVI EW
7 .68 MH z
CRYSTAL
CLOCK
3 .B4 MHz
----------------------- -----,
.
,
I ,
I
,
I
'
I
"
I
,
I
'
S PO I L I N G
RESISTORS
�
I
'
I
I
I
I
I
I
I
I
I
I
I
\'"
U N K N OWN
,
,
STAN DARD
RESI STORS
Yu
fl P
CONTROL/
CA LCU LATE
VARIABLE
GAI N
L , R, C, D , Z ,
etc .
(Yu) O'
(Vu)
90'
(Vs) O'
(Vs) 90'
O'
180'
90' 270'
PHASE
R E CTI F I E R
F i gure 3 - 1 .
Bl o ck D i agram
e l s l i
3
-
1
2 1 5 0 / 2 1 6 0
5 /8 5
PHASE SYNC
O'
/90'
D ETECTOR
S I N E
GENERATOR
Содержание VideoBridge 2150
Страница 24: ...BLANK 1 6 e l s l i 2 1 50 2 1 60 5 8 5...
Страница 222: ...5 3 1 Mo the rboa rd Ca ble Assembly piN 4 9 3 0 2 METRI C A l l D ims in mm 1 14 3 1 _ 215 4 E F TO MOTHE OA Rt 5 4 56...
Страница 230: ...R54 R 1 9 R23 6 TP8 o O NC N N N N a a a a a F i gure 5 5...
Страница 252: ...A t S E C T I ON A A 4 5 0 0 m m 5 rY1 m A...
Страница 307: ...Figure 8 1 General Handler Interface Circuit Assembly P N 47895 B 2 e s i 2150 2160 5 85...
Страница 318: ...DIOII DI Z G O O L 2 _ j_ _ D I04 4 _ _ _ DI05 __ t _ _ DI06t2 DI01 __ _ r _ OI08 r U4 n l r L t TM 9914 Fig...
Страница 330: ...F i gure 8...