Sharp QT-264H Service Manual page 9

| ITEM
Driving
power
Torque
Azimuth
Tape
speed
=
keit
REMARKS (CHECK)
{More than 150 g)
(Play: 30 — GO g-cm)}
{Fast Forward:
70 — 130 g-cm)
(Rewind: |
70 — 130 g-cm)
Sine waveform —
attains the
| maximum,
ADJUSTMENT
USING JIG POINTS
Tape tention
megurering
cassette
TW-2412
Torque meter
Play TW-2111
Fast Forward
TW-2231
Rewind
TW-2231
Test tape Azimuth
MTT-113C adjusting
screw
Test tape Variable
MTT-171 resistor on
motor
vous i f
OF oe net
Motor
3,015 + 25Hz
eee
: Puissance
| ment
A _
E.V: ELECTRONIC VOLTMETER = pyal-trace
Test Tape
MTT-1713C| <=
Headphones
Playback jan EV.
Mode
Record/Play back
Head
ARTICLE
d'entraine-
Azimuth
Vitesse de
la bande
Figure 9—1 AZIMUTH
Heaciphones
Playback Jack
Mode
Record/Playback
Head
Bande d'essai
MTT-113C
Bande d'essai
MTT-171
Cassette de mesure.
de tension de la
bande TW-2412
Compteur de
'couple
Lecture:
TW-2111
Avance rapide:
TW-2231
Rebobinage:
TW-2231
Vis de
réglage
Résistance
le moteur
| (Lecture:
de |'azimuth
variable sur
Syncroscope
Frequency
Counter
Figure 9-2 TAPE SPEED
REMARQUES
(VERIFICATION)
{Plus de 150 g)
vain?
30 a 60 g-cm)
(Avance rapide:
70 4 130 g-cm)}
(Rebobinage:
70 a 130 g-cm)
La forme d'onde
sinuscidale atteint
le maximum.
3015+ 25Hz