Sharp RT-100H Serviceanleitung Seite 6
PINCH
ROLLER
PRESSURE
(See Figure 6-1)
Piå'æ the uriitin
play mode'.
Usea tensiongauge (O 500
2.
of the pinch roller until the pinch roller comes away the
capstan. Next gradüäIVyWeaken the force iri the:reverse
direetion until the binth •roller hits thé, capstan (that is,
. :it begins rotating), thén;,seethat tension gäugeiS réåding
270 to 370 grams.
3,
Lt
pressure spring by bending it, or replace.
PAUSE MECHANISM-ADJUSTMÉNTL
(See Figure 6-2)
1. Set the unit in play mode and slowly push the pause
Make
"that the play; idlér and pressute roller
corrie -respectively off the take-up. rebl and capstan at the
same time
2.' 'If the item
I. above isifound,- not. normal adjust it by
bending apart(marked @) of,the PauseLever,€ .
TORQUE
CHECK
AT
REWIND
MODES-
1, Put a torque measuring cassette into the,unit.
2. The torque values in each mode must be as tabulated
next.
MOde
Törque meter cassette
Pßayback
TW-2111
Fast-forward
TIW-2231
RéWind
TW-223T
TAPE, SPEED ADJUSTMENT
Using a test tape (TEAC,
I.
play it back at the midpoint
or end point.
2.
Connect a frequency counter to •tie line output socket.
(RT-IOOE)
Conriect ä frequency
IOOH/HB)
3.
Use a bladed screwdriver to adjust, through the adjusting
hole at the bottom •of-motor,- the semi-variable resistor
so that the frequency
Setting positions
af every sw.tch and knob
The tape counter
ts set at '000"
position
. The
holder
closed
Tha powei
set at
The
mechanism
control
buttons
are unlocked.
The Dolby
NR switch is set at "OFF-posiuon.
ThPi ynput selectoi switch is set .at
The record level control
knobs are set at ' 'C' position.
• The tape selector switches are "Normal"
and "Metal
OF
position.
Label. Caution to AC
Supply
Card
{TCAUHOOS6AGZZ)
cellophane tape
MECHANICAL
ADJUSTMENT
to pushit
a part@
adjust--the-Pinehroller
PLAY,
FAST
FORWARD
Measured torque
60 gram-cm
75 — 120 gram-cm
75
120 gram-cm
(See Figure 6-3)
MTT-I II,
3 kHz recorded),
but not at the running
counter to the DIN socket. (RT-
counter
reads 2960 tö 2985Hz.'
PACKING
positiah.
position.
Cauildn Jabeiori the
polyethylene bag
(TCÄUZ0039AFZZ)
frLAéUoi34AFzz)
Label. MADE
IN JAPAN
(T LAB
JOC06AFZZ)
ADJUSTMENT
Capstan
Pinch
Roller
AND
CapsWi
Röireh
start
Test
Tape
11
METHOD
(for UK only)
Apply cenophaoe tape
polvethyte;e Sag
(SSAKH007SAGiZ)
Figure 6-4
Tinsidti Giuge
o
o
Figyre 6-1
More
than
0.2mm
More than Q.5mm
O
o
Figure 6-2
Playback Mode
50K
Figure 6-3
Add.
Pxkin. Add. Left
Front
Fix thie flaps of the packtng case with 8 staples
Pause Lever
Éreauency Counter
ooo
(J4•C
Night
(SPA*AæS.8AFzz}
(SPACIg34AFZz1
