Edit Block Diagram - Panasonic NV-HS1000 Service Manual

3-2. EDIT BLOCK DIAGRAM

ABBREVIATIONS
FROM
TIMER
;o [
TBC
EDIT ®
TO/FROM [
VIDEO
COLOUR BACK ®
TEST SIG @
Wea""[
VTR (D
1/0
EDIT CTL@
3-5
so
EDIT BLOCK
IC6002
RST (D
I C6007 (EE PROM)
ROM DATA OUT 11\. - ---- o,,/
IN
ROM DATA IN�n'>-o- - ---...r
c s (D 63)-- ---- �
OSD CLK 1 i)...------------ - ----'---------------j
OSD DATA 2i)... ------- - -- - -- -'--- ---------- - - --- --j
OSD ON@ 4'------------------------------� __ o _ s _ D _ ON _ ® _�
S DATA OUT
S DATA IN 1
ED IT MODE SW 'DET L CLK COUNT 7
(REC@ /PASS @ /PB (DJ L CLK
IC6005
TBC SEARCH (D
DATA OUT
a TBC TR I CK (D
DATA I NH
TBC ON (l)
DATA IN
BUS SELECT (Al
EDIT 18)
COLOUR BACK ®
BUS SELECT (B)
TEST SIGl!I)
CLK IN/OUT
VTR (D
EDIT CTL ®
OSC OUT
OSC IN 5P CLK DET 1
L
H S2
EDIT BLOCK
RESET (D
OSD CLK
>-------<:'."
OSD DATA
>------<
OSD CHIP SEL
TI MER BUS CLK
TIMER BUS TLK
, - -----------,
JK6504 �
P6003 P7504 PP7502:
S1
2 �
OPERATION C. B. A.
- --- - --- - ---
S3
PREROLL
ABBREVIATIONS
SYMBOL TRUTH VALUE TABLE
INVERTER
o--(:>o-
IN
(a) (b)
OUT
COMPARTOR
IN
(a)
(c)
FROM
�
OUT
(b) -
SYSTEM
CONTROL
AND CIRCUIT
IN
(a)
� (c)
(b)
OUT
OR CIRCUIT
IN
(a)
(c)
�
(b)
OUT
] TO
VIDEO
THREE STATES
BUFFER
IN
OUT
*
TO/FROM
(a) (c)
' ' ' Y ' "
]
SYSTEM
High Impedance
CONTROL
TR. SW (NPN TYPE)
BASE
(B)
o+-o
TR. SW
ccio--+?
<El
I
L-i;�
"' Y ' ' '
I
I
TR. SW (PNP TYPE)
I
BASE
(B)
♦
r----,
TR. SW
I (E) � o-+---0 (C)
--y;;
I
R-S TYPE FLIP-FLOP
IN
' " ' :!!: ' ' '
_I
OUT
(b) R Q ( d ) *
Initi a l c ondition Is m a int a ined.
♦ Initi a l c ondition Is reversed.
TO/FROM
® SYSTEM
CONTROL
3-6
(a) H L
(b) L H
(a)>(b) (a)<(b)
�
H L
(C)
L L
(a) H H
L H
(b) L H
L L L H
(C)
L L H H
(a)
L H L H
(b)
L H H H
(C)
H L Hor L
(a)
L L
(b) H
*
(c) H L
H L
0� OFF
H L
OFF
ON
(a) L L
n.
(b) L L
*
(c) L H
( d ) ♦ H L