Mechanical Adjustments; Precaution; Torque Measurement; Head Height Adjustment - Sony CFD-K10 Service Manual

CFD.KlO
PRECAUTION
1.
Clean the following
parts $/ith a denatured-alcohol'
moistened swab :
record/playback/erase head
idlers
capstan
2. Demagnetize the record/playback head with a head
demagnetizer. (Do not bring the head demagnetizer close
to the erase head.)
3. Do not use a magnetized screwdriver for the adjustments'
4. After the adiustments. apply suitable locking compound
to the Parts adjusted.
5. The adjustments should be performed with the rated
power supply voltage unless otherwise noted'
6. Power suPPlY voltage: 12V dc'
Torque Measurement
sEcTloN 5
M ECHANICAL ADJ USTMENTS
pinch roller
rubber belts
Head Height Adjustment
1. Use CQ-009C (Part No. 8-909'708-01)
or prepare an adjust-
ment cassette as shown below.
Place the set into the FWD playback mode. Loosen the
FWD tape guide locking screw. Use appropriate head
height adjustment shims and adjust the head height so
that there is no taPe curl or twist.
Place the set into the REV playback mode Loosen the
REV tape guide locking screw. Use appropriate head
height adjustment shims and adjust the head height so
that there is no tape curl or twist.
After adjustment, lock the tape guide locking screws'
Adjustment Location :
2.
À
s
DE
llod.
To.que meter [€ler
]aading
Forward
cQ-102C
22.5- 509,'c'r.
(0.31-0.69 oz'inch)
Forward
back tension
cQ,l02c
1.5 5.0g'cm
(0.02- 0.0? oz'inch)
Reverse
cQ,102RC
22.5- 50g.cm
{0.31-0.69 oz'inch)
Reverse
back tension
cQ-r02Rc
l- 5 - 5.0g.cm
( 0. 02 - 0.07 oz'i nch)
Fast Forward
and Rewind
cQ-20rB
14 0 - 180 g'c m
(1.94 2.50 oz'iûch)
Tape Tension ileasu rement
Itode
Tcnglon fi6tar
ilstol rgading
Forward
cQ-4034
more that 1009
(more than 3.53 oz)
Reverse
cQ-403R
ra
head height adjustment shim
head height adiustment sham
Pa rt No.
t
3 . 3 3 6 . 2 7 4 0 1 0 . 1
3.336.27 +21
Pa rt No.
4932-603-01 0 . 1
4.932-603-11
o.2