Sony XR-C5300X, Service Manual

Page: 17 / 42

XR-C5300X/C5305/C5600X
17
17
SECTION 5
MECHANICAL ADJUSTMENTS
1.
Clean the f
ollo
wing parts with a dena
tured-alcohol-moistened
sw
ab:
playback head
pinch roller
rubber belt
capstan
idlers
2.
Dema
gnetize the pla
yback head with a head dema
gnetizer
.
3.
Do not use a ma
gnetized scr
ewdr
iv
er f
or the adjustments.
4.
After the adjustments, apply suitable locking compound to the parts adjusted.
5.
T
he adjustments should be perf
or
med with the po
w
er suppl
y
v
oltage unless otherwise noted
.
•
T
o
rque
Measurement
Mode
T
ension Meter
Meter Reading
more than 0.88 N
F
orw
ar
d
CQ-403A
more than 90 g
(more than 3.18 oz)
more than 0.88 N
Re
v
e
rse
CQ-403R
more than 90 g
(more than 3.18 oz)
•
T
ape T
ension
Measurement
Mode
T
orque Meter
Meter Reading 2.95 – 6.37 N•m
F
orw
ar
d
CQ-102C
30 – 65 g•cm
(0.42 – 0.90 oz•inch)
F
orw
ar
d
0.05 – 0.44 N•m
Back T
ension
CQ-102C
0.5 – 4.5 g•cm
(0.01 – 0.06 oz•inch)
2.95 – 6.37 N•m
Re
v
e
rse
CQ-102RC
30 – 65 g•cm
(0.42 – 0.90 oz•inch)
Re
v
e
rse
0.05 – 0.44 N•m
Back T
ension
CQ-102RC
0.5 – 4.5 g•cm
(0.01 - 0.06 oz•inch)
5.89 – 19.61 N•m
FF
, REW
CQ-201B
60 – 200 g•cm
(0.83 – 2.78 oz•inch)
set
+
–
test tape WS-48A (3 kHz, 0 dB)
AUDIO OUT jack (J331)
10 k
Ω
speed checker
or
frequency counter
TUNER SECTION
0 dB=1 µV
The tuner section has no adjustment.
Adjustment Location:
– SET UPPER
VIEW –
Tape Speed Adjustment
SECTION 6
ELECTRICAL ADJUSTMENTS
6-1.
TEST MODE
<Set the
T
est Mode>
1.
Set the “OFF” mode.
2.
Push the preset
[4]
b
utton.
3.
Push the preset
[5]
b
utton.
4.
Press the preset
[1]
b
utton for mor
e than two seconds.
5.
Then the display indicates all lights, the test mode is set.
<Release the
T
est mode>
1.
Push the
[OFF]
b
utton.
0 dB=0.775
V
Speed chec
k
e
r
F
requency counter
–1.5 to +2.5%
2,955 to 3,075 Hz
T
APE DECK SECTION
Procedur
e:
1.
Put the set into the FWD PB mode.
2.
Adjust adjustment resistor for inside capstan motor so that the reading on the speed c
hecker or frequenc
y counter becomes in
specif
ication.
Specif
ica
tion:
Constant speed
T
ape Speed Adjustment
Setting: