Panasonic AG-7350 Series Service Manual page 89

Editing video cassette recorder ag-7350/ editing video cassette player ag-7150
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l
~
SYSTEM CONTROL BLOCK DIAGRAM
IC8201
I
- K - E Y
_____j~~-------____J~
\
8
'
1
"
KE '( SCAN PULSE
MATRIX
11
PlJ
~
KEY SCAN PULSE
n----~~::~:
JOG
SHUTT":a:::~
ON TACT
l
osc
~::
' - - - - - - - '
D
PHOTO
,_..
TERMINAL~-,,~
40
,-------..,
AND DIODE
PLATE
I
L-(
P4 1
I
RESET
L__!i
J
-
RST
g=~~~~ ~
OR6204
IC8004
SERIAL CLOCK
(IC6004·52)
SERIAL DATA IN/OUT
(IC6004·53/54)
SERVO SERIAL CLOCK
(IC6004 48)
SERVO SERIAL DATA
IN/OUT
(lC6004·49/50)
~~~~~~ ~',:._' ---~~1''~,
7
~ o:_s ¥''-"'o:;c:'+--------""'~"-----i-"\~~----------------------"i"
~;~~AL
j.:' " ' -
0
---~~1''"'"'"',0'--' ¥'-"''~;co•:__·~----------'"--'\-" \~
~,.----------~,.--
O R e - D ; , • - - - - - - - - 1 "
IN/OUT
\
~
~f----· --------'-'~"
SERIAL CLOCK
~
~~RVO
[
~SERIA~l
DATAIN/O~UT T-:r:::=----_____l_~~------Tll
' .
0
TAKE-UP~
PHOTO TR
P6007 . .
,
..
0A6009
TAKE· UP PHOTO IN
(T,t,PE BEGINNING DET)
LOAD SPEED DOWN
(9
(
TO PREVENT THE TAPE DAMAGE
)
Jl
DURING SUB LOADING OR UNLOADING
n
BY MEANS Of. THIS SIG LOADING MOTOR
0
XODO'
lrROTATI~~S:f~~V
RE SLOW DOWN
OA6012
~
~
8
r-~'0
_ _ _ _ _ _ _ _ _
~~~~·~60709.~~~~~~--,
1 ·
V
~::::G
, . - , ; :::;'
0
"'_'
0
--. "' . . .
A:
DRIVE
3
~P6009
_
_y-
,
11
11
...
LOAD
(ij}
r'"-
8
- - - - - '
8
+ - - i
MOTOR ON(@
r
5
.0..
9
- - - - - '
5
+ - - i
IC6005
QR6010
BRAKE SOLENOID{!!)
~ ··~J---RYvO'.,_"--c)
UNREG
22VLPO-OO:_B_l__.T~
EDIT
<ft> r'~J
_ _ _ _ _ _
D0-02_7 _ _ _ _ _ _ _
E=.=D~IT_,ifi)'-+P'"'60"C~J"+P~9,':",3
___
~
VV@!EE@
r'~
0
----------------------------~E=E~~'-+rp~·~:~
2
I~
COMPULSIVE VHS
(9
f.'"'"--------------"C.:O:OM:::_P.::oUL=SIV.:.cE_.VH""S"'<!)'-+P'-"60"'~3"-f.'P-'09:c:-;-·~
REG@
j-'7,-_8
----------------'R"'cEC"'~"'L
-+-1
P.,._e:"'.~'--ii."""'C652'--J
• •
LOADING
MOTOR
REEL BRAKE
SOLENOID
TRANSISTOR
AEFLECTION(fll
'
I
MODE
'---'-;j_~--'
DETECTOR
' , / _
--(c==:_;P~.,_,:-_-::_-:;
INTERFACE
:~------------"
3
"j
3
P60
~~~SOA
J_' _ _
_,~l<!J------<4•f-c
7
: --fi~P8~o
7
° cc
8
+1-------Gf--------------~
3
'-J
SENSOR LED
our
COMPULSIVE COLOR@
r'"-6 _ _ _ _ _ _ _ _ _ _ __"' C O,-::Mc_:PU:.:o:LS::.:IV.=._E ::oCOocLO;.oR_,;ifi)'-fl P:.o.60"'f::_3
+'[
P-':9::::-:
--~
TO
VIDEO
MOVING
CONTACT
--(,-~
. . e:-, - ,
I
--{'-----'-;1;'-0 _
_/
JOG LED
j_
JOG 1
'------c
--:1
~
: ; :
SUPPLY
PHOTO TR,),.
P6007 ...
.
..
SUPPLY PHOTO IN
{TAPE Ef>IOOETJ
:: •• ,.--------+,----:-
3
--+1="
0
7~
9
---J~·-------!<r------Jg:~;PARATOR
f - - - - - - - - -
8
'+j
8
OEW ifi)
CASSETTE~>-------II-----:;-----I-"'PO":D0"--7-J
...
. _ - - - - - ' - - - - - - - - - - - - - - - - - - ' " ' l "
~c:;::-.,-;:-:::;:--r.;:c;;:;:--r;:::~"~-=~-,;::.~=
.. ,
' ' •
... P6301
P6207
P6205
P6004
CASSETTE SW ON
(b)
,
2
2
9
9
• SV
0----"Nr----------'''J
v/IC6003
REEL
FG
QR6023~
(REELON)w-
, - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ' - !
57
JOG (jjl!AEEL
(0
P6005 . .
n
43
P10 IIN8')
I
I
.sv 0-----'V'<'r------"-"
VIC6003
: >----
40
P13 1INJ)
1~--------~~------~"
REEL
FG
'
'
,.
•SV
0----"N.-----------''-j
'-'/•C6003
T·REEL
flh.
~:::~~~
Lf•ooe
,>-
.sv Q--""/'>r------"i_../
VIC6003
FROM
MODE
SELECT
sw
PLAY
(Q
EJECT
(Q
STOP
(j)
STOP 2
(L,)
IC 8006
- , - o - - - - - l n
~---4----D:
L _____ l
I
SW2
I
-.-o---r---1"
,--->'t--o
~
I
----.-o-s_w_J
_,1__._ 1
--jn
r-D
L ___ ,
I:
L_--1-+---<'+---o
SW4 :
:
:
SAFETy
.------o--C
r----r:::PS::o;00:;;-8-,....
SAFETy TAB ON
CD
3
-.-<
,>---+-'.:
--t---l"
~~
,),.
:>-----f---c,--+'-'=, "-•
,.-="-'-'-'--"''-='--""---+---+------'4----o :
:
I :
/
I
I
1
1 I
I
;~N~~~;~. ~~~ES~~S~~E~C
) ' /
\
SW IS TUfiNED ON.UNIT STAATS
RECORDING AUTOMATICALLY BY
DETECTING INPUT VIDEO SIG
I
DECODER
VIDEO
P963
P6003 . .
EE VIDEO
SIGNAL
i
I
,_j
I
,
.
,.
~~:~~~~
I
r~-EE-~-B-RA_KE_S-OL-E~-10~~----------------------~~
FROM~
\
L----r---
~J
I
\
I
PINCH ON
<D
)~--------------'
\
(THIS IS USED FOR DETECTION OF )
FROM 06018
©
~~~TE~~~~O~~~~~~~GGg~~~~~~~O
STOP
MODE
HV
Q - - w v - - - - '
2
+----+
f-+--' -..---'-'
6
0j
RESET
(h)
lj
S VHS
(g)
I
DECO ER
I
I
----'-'t---o
I
I
I
I
.J
I
I
1 I
1
I
---L-Q--4-J_J_---+ ,.
I"-D :::
1-'
- - 0 : -
-j : :
f'-P~25.~03'-f'CP6"'c:Oeo:5-J~.__.,TECO'N.""SIO_,N'."N"-G
-"@"-------''+---()
j : :
P6003 ...
"
. .
- ' I
J
r--
• SV
0---->yVv------"f----o
I
FM@
POWER OFF
CD
---L-Q--f---+----j "
~--<)
r - -
j-
)0---'f---0
I
IC6010
IC6012
I
oAr.a. ourPur
)
3
s
9
L - - - - - - - - - .
36
P17 ,IN7)
f - - - - - - '
2
=-j
3
POWER OFF
(til
TO
?OWER
QA6007
f"P~'2~03~P8"'0'~'-1
...
._2 N~SW~5·~v----~--------''+-~s~f-+--'----~--~r-~
P"
L~~
POWER DOWN
(@
~
06022
TO
.... P6205
P6004
FRONT PANEL
,
8
8
ON
~~~:CTU~W
l
~~~~~~
OFF
Uo
BACK UP
,b.
'SWSOOl
BATTERY
COMPULSIVE
B/W
(9
r7:e__5 _ _ _ _ _ _ _ _ _ _ _ .:c.CO""M,_.PU""LS:"' I V"_E
'C'B/."'W-'>~'--fP:.<:600""J 3'--+-'P-"9~~!-·~
DELAYED REC
(9
r'"-'
------------CCOE=LA'-'YECCDCCRECCC-"~'-+P-"OO"'l~2~P_,.,9~"'-2-·~
NOTCH@
r ' - - - - - - - - - - - - - - " - ' N O c c T C c . : c " _ s ® ' - 1 ' 1 P-"607Z"-'
r!P_,.,9:cc:--~
HI· F1 MUTE(jjl
r'"-' - - - - - - - - - - - - - ' H _ . < -"F''-"MC"UTC."E-">'-
<B1-fP_oc6;:::0"'~;::-,:_-,?P_,9
70
:c:-;·:::.·~
H1·F1 REC@
f " " ' - - - - - - - - - - - - - - - ' - " ' - - '
F_., .c:RECCC-">'-
CBi-fP_ocO;:::O""~:;:_,fc::::p_,gc:c:':'.;-:::.s~
LIMITER ON
(b)
1-' ' : :_
8 _ _ _ _ _ _ _ _ _ _ _ _ __.,..LIM .... IT'-"E"'R
O".'N.'><_~-fP.5"6o"'0;:::2.__-,?P_,-.97:6.._2-:::_
....
3
16
,..
DOLBY ON
(0
1-'':_
7 _ _ _ _ _ _ _ _ _ _ _ _ __.O'."'OlceB:_Y
O".'NC""--~-fP_e:6;:::0eoo0;:::2.__'?P_;o9c-:6e=_2-:::.
....
'"
,.
CH2 MUTE@
f.'":__ _ _ _ _ _ _ _ _ _ _ _ _ -'CC"'H2'."M"".UT'_<'E=._
{R)_fP:_oo"'oe:c,:cc-,,_,-~P';so~'
l
CH2 AUDIO ERASE(tb
P961
lt.,
CH2 AUDIO ERASE
Qj)
f.''"-
3
- - - - - - j
,,.
CH2 D£LAYED REC(8)
CH2 DELAYED REC
(fii
r"'---------1
P961
_._
6
. .
CH2 EE
(b)
r''-'
- - - - - - O - R 6 _ 0 2 _ o _ _ _ _ _ _ _'Co"H<__2 ccEE-"'-(j;)-t'P:_<>'6:0":''--+''-'-"';o-,'
-j
CH 1 MUTE
(jjl
f--W'----------------"Coc.H'ccMc.ooUT'-"E-""--
ifil+P-"6o';C;2~P";9:';-~
--j
CH1 AUDIO ERASE@
rn,;::o600;::-,
--,;;o,.o-;.,-o. ....
CHl AUDIO ERASE
(fii
t-'
9
- - - - - - - - - j
12
7
...
CH1 DELAYED REC@
f"
8
-----~
CH1 DELAYED REG®
ttt~U
CH1 EE
©
I-'
7
-----------------'
0
"'"''.0'"-E"'~-+-ITJ:[]""
60
5
""
02
-f-'"""~:'--1
( TO ACHIVEVE THE AUTO BACK SPACE
)
\
EDITING ACCURATELY. THE SHORT REWOUND
TAPE AMOUNT IS DETECTED BY COUNTING
THE CAPSTAN FG
TO
AUDIO
c~-Jj~
CTL SIG
FROM
SERVO
IC6001
FULLERASEON(i)
f"'"-'
- - - - - - j
SAFETY TAB ON
~
---f>,--J
QR6031
QR6005
I
REC
ifi)
-----t>-___j
QA6001
QA6019
EE ON@
I
FULL
ERASE
o'c
T6001
06007
SERIAL REMOTE
IN
JACK
AG 7350 ONLY
[P601011tr...
~
- - - - - - -
L_J__J"" ;
I
FULL ERASE HE.AO
BLK-3

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