Sharp XL-60 (serv.man26) Service Manual ▷ View online
– 9 –
XL-60H/70H
Figure 9-1
Figure 9-2
Figure 9-3
1
Speaker
1. Net Frame ........... (A1) x1
9-4
2. Front panel .......... (A2) x1
3. Screw .................. (A3) x4
3. Screw .................. (A3) x4
STEP
REMOVAL
PROCEDURE
FIGURE
CP-XL60H
Figure 9-4
(A1)x1
(A2)x1
Woofer
Tweeter
(A3)x4
ø4x20mm
ø4x20mm
Speaker Box
Figure 9-5
1
Speaker
1. Net Frame ........... (A1) x1
9-5
2. Screw .................. (A2) x4
2. Woofer Ring ........ (A3) x1
4. Screw .................. (A4) x4
2. Woofer Ring ........ (A3) x1
4. Screw .................. (A4) x4
STEP
REMOVAL
PROCEDURE
FIGURE
CP-XL70H
Tape
Mechanism
Mechanism
Open
(K1)x4
ø2.5x10mm
ø2.5x10mm
Front Panel
Cassette
Holder
Holder
(L1)x3
ø2.5x14mm
ø2.5x14mm
(L1)x2
ø2.5x8mm
ø2.5x8mm
(M2)x1
ø2.5x10mm
ø2.5x10mm
(L1)x1
ø2.5x10mm
(L2)x1
(L2)x1
(L2)x2
Top Cabinet
CD PWB
Open/Close
Switch PWB
Switch PWB
CD Motor PWB
CD Mechanism
PWB
Washer
Washer
Digital
Out
PWB
Out
PWB
CD Lid
PWB
PWB
(M1)x1
(L3)x1
CD Mechanism
CD Lid
Motor
Motor
CD Lid
Motor
Holder
Motor
Holder
(N2)x3
ø2.5x10mm
ø2.5x10mm
(N1)x3
ø2.5x14mm
PWB
Washer x3
Washer x3
Top Cabinet
(A1)x1
(A3)x1
(A4)x4
ø3x12mm
ø3x12mm
Woofer
Tweeter
(A2)x4
ø4x20mm
ø4x20mm
Speaker Box
XL-60H/70H
– 10 –
TAPE MECHANISM SECTION
Perform steps 1 to 8 and 10 of the disassembly method to
remove the tape mechanism. (See page 8.)
remove the tape mechanism. (See page 8.)
How to remove the record / playback and erase
heads (See Fig. 10-1.)
heads (See Fig. 10-1.)
1. Remove the screws (A1) x 2 pcs., to remove the erase
head.
2. Remove the screws (A2) x 2 pcs., to remove the record/
playback head.
Note:
After replacing the heads and performing the azimuth
adjustment, be sure to apply screwlock.
After replacing the heads and performing the azimuth
adjustment, be sure to apply screwlock.
How to remove the pinch roller (See Fig. 10-2.)
1. Carefully bend the pinch roller pawl in the direction of the
arrow
<A>
, and remove the pinch roller (B1) x 1 pc.,
upwards.
How to remove the belts (See Fig. 10-3.)
1. Remove the main belt (C1) x 1 pc., from the motor pulley.
2. Remove the FF/REW belt (C2) x 1 pc., from the REW/FF
2. Remove the FF/REW belt (C2) x 1 pc., from the REW/FF
roller.
3. Put on the belts in the reverse order of removal.
Note:
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
Note:
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
How to remove the motor
(See Figs. 10-4.)
(See Figs. 10-4.)
1. Remove the mainbelt.
2. Remove the screws (D1) x 2 pcs., to remove the motor
2. Remove the screws (D1) x 2 pcs., to remove the motor
bracket.
3. Remove the screws (D2) x 3 pcs., to remove the motor.
Note:
When mounting the motor, pay attention to the motor mounting
angle
Note:
When mounting the motor, pay attention to the motor mounting
angle
Figure 10-1
Figure 10-2
Figure 10-3
Figure 10-4
<A>
Pinch Roller
(B1)x1
(B1)x1
Pinch Roller
Pawl
Pawl
REMOVING AND REINSTALLING THE MAIN PARTS
Main Belt
(C1)x1
(C1)x1
FF/REW Belt
(C2)x1
(C2)x1
REW/FF
Clutch
Clutch
Motor
Erase Head
Record/
Playback Head
Playback Head
(A1)x2
ø2x8mm
ø2x8mm
(A2)x1
ø2x3mm
ø2x3mm
(A2)x1
ø2x7mm
ø2x7mm
(D1)x1
ø2x4mm
ø2x4mm
(D2)x3
Special
Screw
Special
Screw
Motor
Bracket
Bracket
Motor
Motor
(D1)x1
ø2x4mm
ø2x4mm
How to remove the flywheel (See Fig. 10-5.)
1. Remove the belt.
2. Remove the stop washer (E1) x 1 pc., with a small precision
2. Remove the stop washer (E1) x 1 pc., with a small precision
screwdriver to extract the flywheel from the capstan metal.
Note:
When the stop washer is deformed or damaged, replace it
with a new one.
When the stop washer is deformed or damaged, replace it
with a new one.
How to reinstall the parts
Install each part in the reverse order of the removal with care.
Stop
Washer
Washer
Driver
(E1)x1
Stop Washer
Stop Washer
Mechanism
Chassis
Chassis
Washerx2
Flywheel
Figure 10-5
– 11 –
XL-60H/70H
Figure 11-4
How to remove the pickup (See Fig. 11-4)
1. Remove the mechanism cover, paying attention to the
pawls (A1) x 4 pcs.
2. Remove the screws (A2) x 2 pcs., to remove the shaft (A3)
x 1 pc.
3. Remove the stop washer (A4) x 1 pc., to remove the gear
(A5) x 1 pc.
4. Remove the pickup.
CD MECHANISM SECTION
Perform steps 1, 2 and 10 to 12 of the disassembly method to
remove the CD mechanism.
remove the CD mechanism.
Pickup Unit
(A2) x2
ø2.6 x6mm
ø2.6 x6mm
(A1) x2
CD Mechanism
Shaft
(A3) x1
(A3) x1
Gear
(A5) x1
(A5) x1
StopWasher
(A4) x1
(A4) x1
Mechanism Cover
(A1) x2
How to remove the tape mechanism PWB
(See Fig. 11-1.)
(See Fig. 11-1.)
1. Remove the screws (F1) x 1 pc., to remove the tape
mechanism PWB.
2. Remove the screws (F2) x 1 pc.
3. Remove the solder joints (F3) x 2 pcs., to remove the tape
3. Remove the solder joints (F3) x 2 pcs., to remove the tape
mechanism PWB.
How to remove the jog motor
(See Figs. 11-2.)
(See Figs. 11-2.)
1. Remove the side panel and top cabinet.
2. Remove the jog belt (G1) x 1 pc., from the motor pulley.
3. Remove the screws (G2) x 2 pcs., to remove the jog motor.
Note:
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
2. Remove the jog belt (G1) x 1 pc., from the motor pulley.
3. Remove the screws (G2) x 2 pcs., to remove the jog motor.
Note:
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
Figure 11-1
Figure 11-2
(G2)x2
ø2x5mm
ø2x5mm
Worm
Gear
Gear
Jog Belt
(G1)x1
(G1)x1
Jog Motor
Holder
Holder
Jog Motor
Display PWB
Tape
Mechanism
PWB
Mechanism
PWB
Tape
Mechanism
PWB
Mechanism
PWB
(F3)x2
Solder
Joint
Solder
Joint
(F2)x1
ø2x8mm
ø2x8mm
(F1)x1
ø2x3mm
ø2x3mm
How to remove the CD lid motor
(See Figs. 11-3.)
(See Figs. 11-3.)
1. Remove the CD PWB.
2. Remove the belt (H1) x 1 pc., from the motor pulley.
3. Remove the screws (H2) x 2 pcs., to remove the CD Lid
2. Remove the belt (H1) x 1 pc., from the motor pulley.
3. Remove the screws (H2) x 2 pcs., to remove the CD Lid
motor.
Note:
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
(H2)x2
ø2.5x10mm
CD Lid
Motor
Motor
(H1)x1
Belt
Worm
Gear
Gear
Figure 11-3
Note:
After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of connector remove to protect the optical pickup
from electrostatic damage.
After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of connector remove to protect the optical pickup
from electrostatic damage.
XL-60H/70H
– 12 –
MECHANISM SECTION
• Driving Force Check
Torque Meter
Specified Value
Play: TW-2412
Over 80 g
• Torque Check
Torque Meter
Play: TW-2111
30 to 60 g. cm
Fast forward: TW-2231
55 to 140 g.cm
Rewind: TW-2231
55 to 140 g.cm
Specified
Value
Adjusting
Point
Instrument
Connection
Test Tape
ADJUSTMENT
Specified Value
• Tape Speed
Figure 12-1 ADJUSTMENT POINT
TUNER SECTION
Figure 12-2 ADJUSTMENT POINTS
MAIN PWB
FM
ANTENNA
SOCKET
ANTENNA
SOCKET
T351
R336
CNP301
AM
ANTENNA
SOCKET
AM
ANTENNA
SOCKET
FE301
VR351
FM Mute
Level
Level
AM IF
TP301
SO301
T302
AM
Tracking fL
Tracking fL
T306
AM Band
Coverage fL
Coverage fL
MTT-111
Variable
3,000
±
Headphone
resistor in
90 Hz
terminal
motor.(M901)
Adjusting
Parts
Display
Frequency
• Setting the Test Mode
Keeping the FF/FWD button and MEMORY/SET button
pressed, turn on POWER. Then, the frequency is initially set
in the memory as shown in Table. Call it with the JOG DIAL
knob to use it for adjustment and check of tuner circuit.
Keeping the FF/FWD button and MEMORY/SET button
pressed, turn on POWER. Then, the frequency is initially set
in the memory as shown in Table. Call it with the JOG DIAL
knob to use it for adjustment and check of tuner circuit.
Preset No.
FM
Preset No.
AM
1
87.50 MHz
6
522 kHz
2
108.00 MHz
7
1,620 kHz
3
98.00 MHz
8
990 kHz
4
90.00 MHz
9
603 kHz
5
106.00 MHz
10
1,404 kHz
• FM Mute Level
Signal generator: 1 kHz, 40 kHz dev., FM modulated
Signal generator: 1 kHz, 40 kHz dev., FM modulated
*1. Adjust so that an output signal appears.
Check Point
Instrument
Connection
Display
Frequency
87.5 MHz
87.5 MHz
2.2 V
±
0.7 V
TP301
108 MHz
108 MHz
7.3 V
±
1.0 V
TP301
• Check FM VT
Signal generator: 1 kHz, 40 kHz dev., FM modulated
Signal generator: 1 kHz, 40 kHz dev., FM modulated
98.00 MHz
98.00 MHz
VR351*1
Input: SO301
(30 dB
µ
V)
Output: Speaker
Terminal
Terminal
Instrument
Connection
*1. Input: Antenna,
Output: Speaker Terminal
*2. Input: Input is not connected,
Output: TP301
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
AM IF
450 kHz
1,620 kHz
T351
*1
AM Band
—
522 kHz
(fL): T306
*2
Coverage
1.1
±
0.1 V
AM
990 kHz
990 kHz
(fL): T302
*1
Tracking
fL: Low-range frequency
fH: High-range frequency
fH: High-range frequency
Signal generator: 400 Hz, 30%, AM modulated
• AM IF/RF
TAPE MECHANISM
M901
Tape
Motor
Tape
Motor
Variable
resistor
in motor
resistor
in motor
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