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11. ADJUSÎMEffiE
11.1 MECHANICAL ADJUSTMENTS
o Before commencing any mechanicar adiustments,
crean the capstan, pinch roiler, idrer, and berts
with a croth dipped in a
little alcohol.
o Unless specifically indicated, the following adjustments
refer to both deck A ahd B'
3. Tape Speed Adiustment
' Adiust at beginnins of tape
1. Pinch Roller Pressure Gheck
' Use tension gauge (GGKo47)
Specifications
r a t i n g ( P l a y b a c k
frequencY)
Specifications rating
L e t t h e p i n c h r o l l e r s l o w l Y a P '
oroach the capslan, and read the
t e n s i o n g a u g e v a l u e w h e n t h e
pinch roller commences 10
3 0 1 0 H z l 5 H z
STD-301 (3 kHz)
f i i t n - , f r "
p n c h c o n t r o l V R { V R 2 O 1 } s e t r o t h e p h v s i c a l c e n t e r
p o s i t i o n , a d l u s t V R 5 0 1 .
r l i l r - d l
l -
@ r c ,
i' [l
ll -l r"ot speed ADJ
€r @
: = - - l s
VR6O1
\ @
b @ o o
i[-" pincn tonet pressure spring (AXV
^\F----l
aryrl
Tension gauge
( P a r t N o . G G K - 0 4 7 )
P i n c h r o l l e r p r e s s u r e s p r i n g ( P a r t N o . A X V - 0 6 6 )
À. f"p"
Speed Adiustment
' Adiust at beginning of tape
3 O 1 0 H z t S H z
.
fn"
O""t I tape speed must not deviate from the
deck A tape
speed by more than ! sHz.
2. Reel Base Torque check
' use torque meter (GGK{56}
Supply reel base torque
r a t l n g s
* 1 g . c m - S g ' c m
* 1 g . c m - S g ' c m
.
lf the specified torque ratings are not satisfied,
replace the suPPlY reel base ass'Y,
take-uP reel base ass'Y,
d r i v e a r m f u l l a s s ' Y .
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