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Circuit Description; Block Diagram - Sharp QT-95H Serviceanleitung

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OT-95H(BK)
ROD
ANTENNA
e
FM
DETECTOR
r
ee
*e
Ic |
1-A
Vec
Ic
3
sd
4
(YIN
FM
RF AMP
ouTKS)
@) FM IF IN
ouT (3)
COIN PLL FM MPX
(5)
IC 2
OUT
1F/ AM
(L) (R)
FM
4)
©)
(3)
aw SBhave
@
WY
|
aw Seal
is)
(3)
(6)
|
or
+B
oe
JY swi-c
VRI
Le
See
AM IF
AM IF
VEG
i,
LS MW
ss
8
OSC
Sawn
MW/LW
ANTENNA
yes
Lio
.
FINE
Cw
TUNING
ee
GRAFIC
eee |
PLAYBACK HEAD
SWi02-AB
EQUALIZER
o—)
SWIO3-A,B},D
oy
; Pea HONES
IC 103
a LINE AMP 3
ares |
SPEAKER
TERMINAL
SPEAKER
DECK
|
DB
Ss
(a PRE AMP.
(6)
e)
©
REC/PB
HEAD
|
SELECTOR
Q709, 711
Q710,712
XECORD/ PLAYBACK
HEAD
3
DECK 2
;
aa
ra
~>
(6) °
np
:
POWER SW.
,
|
AC 220~240V
POWER
ACIIO~120V
YiNoicaToR
FUSE
Saudi Arabla: ACIIO~127V
D43!
4
F901
AC SOCKET
SO901
CONTROL
SWITCH
RIPPLE
FILTER
+B
+ Fi
ee
ee
Se
es
REC
—-
Q707, 708
AC/DC
+B
|
SELECTOR
REC/PB HEAD
|
.
SELECTOR
|
e i2Vv
|
e
EQUALIZER
L _ |
al
SWITCHING
|
Q43 |
|
RIPPLE
FILTER
|
!
7
MIC. JACK
|
MECHANISM
|
TAPE|,
TAPE 2
LINE
IN SOCKET
MIXING
AMP.
MECHANISM
CONTROL BLOCK
REC,BIAS
+B
IC 801,803 : TAPE |
IC802 ,804: TAPE2
L~ch
(5)
J261
(1)} APSS
5
|
-(2)|STOP TRIGGER
+8
(3)|HIGH SPEED +B
R-ch
©)
(4) TAPE | MUTE
J262
eae
eae
Ee
eee Ee
el
(6)] PLUNGER
MUTE
(7) | RADIO/LINE +B
()|REC+B
(9)| TAPE 2 MUTE
L4—10)]
PLUNGER
+B
LL.
ERASE HEAD
(1) ae
'
Sw 23!
—-—--—-— +B REC BIAS
(2
io,
ay:
QO
S
BEAT CANCEL
OX Swlo5-C
Cr02/NORMAL
MO803
MO 80!
—M™)— MAIN MOTOR
—M™)— MAIN MOTOR
M0804
MO802
—M)— REEL MOTOR
VM)
REEL MOTOR
'H
MODEL
ONLY
A=
S0L802
4= soso!
—WO-—
SOLENOID
—OU0—
SOLENOID.
DECK
2
REC/ PB
DECKI
PLAYBACK
Figure
9 BLOCK DIAGRAM
—~9—
QT-95H(BK)
CIRCUIT DESCRIPTION
DECK 1 KEY INPUT FUNCTION TABLE
gas
SIDE A
SIDE B
CONTINUOUS
peeeiellite
PLAYBACK
PLAYBACK
PLAYBACK
Scania
O
CONTINUOUS
CONTINUOUS
PLAYBACK
PLAYBACK
CONTINUOUS
OPERATION
STANDBY
SIDE B
RECORD
CONTINUOUS
pedis
PLAYBACK
PLAYBACK
PLAYBACK
DUBBING
RECORD
oF
PAUSE
px
{| x |
eae ea Linea
SIDE
A PLAYBACK
SIDE
B PLAYBACK
O*?
RECORD
PAUSE
O*?
RECORD
PAUSE
PAUSE AT SIDE A
PLAYBACK
PAUSE AT SIDE B
PLAYBACK
SIDE A RECORD
fo
RECORD
RECORD
PAUSE AT SIDE B
RECORD
pecOnD
RECORD
RECORD PAUSE
PAUSE
CONTINUOUS
PLAYBACK
STANDBY
BEC ORD
se
OnE
Se one
O
Hee ORE
PAUSE
CONTINUOUS
PLAYBACK
NORMAL SPEED DUBBING
: H Model ons
Above tables apply to the operation when the power switch
is turned on and the mode switch is set to '"TAPE'' while the
cassette tape having erase protection tab is used.
O: Effective
(The mode can be changed by the key operations.)
x: Not effective
PAUSE AT SIDE A
.
RECORD
RECORD
RECORD
*5: Continuous playback indicator goes out.
(Continuous playback mode is cancelled.)
*6: In case the cassette tape is not loaded in Deck 2, to press
the normal or high speed dubbing button is ineffective.
When the tape is loaded in Deck 2, however, to press the
normal or high speed dubbing button will start up the nor-
*1: Continuous playback indicator lights up.
mal or high speed recording of quick dubbing. Continuous
(On stand-by for continuous playback)
playback indicator is goes out.
*2: Playback indicator goes out.
*7: Effective when Side B is played back.
*3: Playback indicator does not go out.
*8: Effective when Side A is played back.
*4: Continuous playback indicator does not go out.
—10—

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Qt-95hbkQt-95eQt-95ebkQt-95er

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