Block Diagram - Panasonic BT-M1950Y Service Manual

• BLOCK DIAGRAM
Y/ C
IC402
8-Y
R·Y
From
From MPU
MPU
APERTURE
a!-------
DELAY
1 2 C BUS
RI R-Y
SWITCH
,..__v __
-+------+-----------'
SYNC
I For
INPUT PB
I
L:C501
,-1'----- ........ 1----
=-
C C-70 -"'
_-=-_---c_c,,_--cc_cc_..; ___ ~_-, ____ 1---lA~~l~o;MP.
r;.:,
REMOTE ENABLE
I
E ~
I
SIGNAL PB
CONTROL 1- /
l
CONTROL 1- 2
INVERTER
I------,
INPUT SEL.
~
I
____ ,c!:,_J - -
I
lt-t-t-- ..... --:::-----1 TALLY LED
Y/SYNC
Q515,0501 0502
AMP., BUFFER
TALLY I EXT. CONTROL
1 ----
'"- REMOTE
~~
CONTROL
-
-
I
1- -, I .,,
sc.-s
I
m
I , .. ,.,
=,,,.S
"+I
RX UNIT
EXT. CONTROL
CONTROL SIGNALS
I 2 C BUS
MICRO PROCESSOR
IC IOI
--~-- 1
2
C MEMORY
IC103
I
I I
,__MEMORY
ICI02
ON-SCREEN
_J
L
020,~0210
-----------
MICOM(MPU) PB
-49-
To IC 402
--
l
I
I
I
I
J
IC502
SIGNAL PB
--
I
l
L
I
I
a
I
I K
--
IK !
I
_ _J
I
l"\i:'J:"LECTION PB
~---
-50-
FOCUS
SCREEN
DY
HV
AC INLET
FOCUS
To CRT PB
ASL
I
I
I
I
I
--
LINE FILTER
LFOOI
Q002, Q003
SWITCHING ORI
QOOI
I
BUFFER
I
sw.
REGULATO•
POWER C
l.=w.