DOWNLOAD Sony XR-L240 Service Manual ↓ Size: 1.76 MB | Pages: 35 in PDF or view online for FREE

Model
XR-L240
Pages
35
Size
1.76 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xr-l240.pdf
Date

Sony XR-L240 Service Manual ▷ View online

XR-L240
10
2-5.
HEAT  SINK
1
five screws
(PTT2.6 
×
 10)
1
two screws
(PTT2.6 
×
 10)
2
heat sink
2-6.
BRACKET (MD)
1
claw
1
claw
1
claw
2
four screws
(B2.6 
×
 4)
3
bracket (MD)
XR-L240
11
2-7.
MOTOR (CAPSTAN/REEL) (M901)
1
two screws
(P2 
×
 2.5)
4
motor (capstan/reel)
(M901)
3
sub belt (C)
2
main belt
Note : When installing motor, 
adjust the screw and
screw hole of motor.
2-8.
MAIN  BELT,  SUB  BELT (C)
1
main belt
4
sub belt (c)
2
screw
(PTP2 
×
 3)
A
2
screw
(PTP2 
×
 3)
2
screw
(PTP2 
×
 3)
2
screw
(PTP2 
×
 3)
3
Lift up the bottom BKT (TS)
in the direction of arrow 
A
(as far as the belt can be removed).
XR-L240
12
2-9.
HEAD (PLAYBACK) (HP901)
2
screw
(PTT2 
×
 4)
1
screw
(P2 
×
 3)
3
FF/REV lever section
9
screw
(P2 
×
 4)
5
screw
(PTP2 
×
 3)
qd
Remove three head lead 
wires from the 
adjuster arm blue.
head (HP901)
head lead wire
adjuster arm blue
• HEAD LEAD WIRE COLOR INDICATION
ON HEAD (HP901) AND SLIDE SW BOARD.
0
SPG support plate
7
PSW (reel) B
8
HP roller (A)
qa
adjuster arm SPG (A)
qs
adjuster arm SPG (B)
qf
head (playback) (HP901)
6
slide SW board
4
Remove the three solders
of head lead wires.
yellow lead wire
black lead wire
red lead wire
slide SW board
13
XR-L240
SECTION  3
MECHANICAL  ADJUSTMENTS
SECTION  4
ELECTRICAL  ADJUSTMENTS
Mode
Tension Meter
Meter Reading
Forward
CQ-403A
more than 5.89 mN•m
(more than 60 g)
Reverse
CQ-403R
(more than 2.12 oz)
• Tape Tension  Measurement
1. Clean the following parts with a denatured-alcohol-moistened
swab:
playback head
pinch roller
rubber belt
capstan
idler
2. Demagnetize the playback head with a head demagnetizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. The adjustments should be performed with the power supply
voltage (14.4 V) unless otherwise noted.
Note:
With this set, it is not necessary to apply suitable locking
compound to the parts after the azimuth adjustment.
• Torque  Measurement
Mode
Torque Meter
Meter Reading
2.46 – 5.39 mN•m
Forward
CQ-102C
(25 – 55 g•cm)
(0.35 – 0.76 oz•inch)
Forward
0.15 – 0.39 mN•m
CQ-102C
(1.5 – 4 g•cm)
Back Tension
(0.02 – 0.06 oz•inch)
2.46 – 5.39 mN•m
Reverse
CQ-102RC
(25 – 55 g•cm)
(0.35 – 0.76 oz•inch)
Reverse
0.15– 0.39 mN•m
CQ-102RC
(1.5 –
 
4 g•cm)
Back Tension
(0.02 – 0.06 oz•inch)
4.91 – 14.70 mN•m
FF, REW
CQ-201B
(50 – 150 g•cm)
(0.69 – 2.08 oz•inch)
TEST  MODE
This set have the test mode function. In the test mode, FM RDS S-
Meter, FM Auto Seek/Stop Level and MW Auto Seek/Stop Level
adjustments can be performed easier than it in ordinary proce-
dure.
<Set the Test Mode>
1. Turn ON the regulated power supply. (All LEDs on the set
lights up, and the clock is displayed.)
Note:
 Press the 
[OFF]
 button, if the clock is not displayed.
2. Push the 
[4]
 button.
3. Push the 
[5]
 button.
4. Press the 
[1]
 button for more than two seconds.
5. Then the display indicates all lights, the test mode is set.
<Release the Test mode>
1. Push the 
[OFF]
 button.
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