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Test tape '
EQ AMP
freq.counter
PLAY
Deck Condition
Test tape
Test point
Adjustment
Adjust for
Play
MTT-114N
A.B. point
Head screw
RIL Maximum
2. MOTOR SPEED ADJUSTMENT—Hi speed, Normal speed
_
Test tape
!
!
1
1
i:
Ferq.counter
1
©)
A(B)Point
Item
Deck condition | Test tape | Test point
Adjustment
Adjust for
Remark
|
Deck A:R636
Hi-speed
Play
MTT-111 | A.B. point
6kHz + 60HZ
Earth the base of TR626
Deck B:R691
Deck A:R638
After you adjust Hi-speed,
Normal-speed
Play
MTT-111
| A.B. point
3kHz + 30Hz
Deck B:R693
adjust normal-speed.
3. PLAY BACK LEVEL ADJUSTMENT
R128(R228)
;
:
vIvM
Test tape
GrsS
3c
'
1
1
R109(R209)
t
A(B) Point
pial
- ---Display}---—
PLAY
Deck condition | Test tape | Test point
Adjust for
output
Remark
7
Deck A:L-R128, R-228
Repeat adjustment
Play
MTT-150
A.B. point
50mV
Deck B:L-R109, R-209
several times
98's
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