Sharp QT-CD161H (serv.man2) User Manual / Operation Manual ▷ View online
QT-CD141H/161H/162H
– 3 –
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
SPECIFICATIONS
General
Power source:
AC 230 - 240V, 50 Hz
DC 12 V [ "D" size (UM/SUM-1,
R20 or HP-2) battery x 8]
DC 3 V ["AA" size (UM/SUM-3, R6
or HP-7) battery x 2 for tuner
memory]
DC 12 V [ "D" size (UM/SUM-1,
R20 or HP-2) battery x 8]
DC 3 V ["AA" size (UM/SUM-3, R6
or HP-7) battery x 2 for tuner
memory]
Power consumption:
11 W
Output power:
PMPO; 28 W (total)
(161H Except forU.K.
MPO; 8.4 W (4.2 W + 4.2 W)
/141H/162H)
(AC operation, DIN 45 324)
RMS; 4.6 W (2.3 W + 2.3 W)
(DC operation, DIN 45 324)
RMS; 4.6 W (2.3 W + 2.3 W)
(DC operation, DIN 45 324)
Output power:
MPO; 8.4 W (4.2 W + 4.2 W)
(161H For U.K.)
(AC operation 10% T.H.D.)
RMS; 4.6 W (2.3 W + 2.3 W)
(DC operation, 10 % T.H.D.)
RMS; 4.6 W (2.3 W + 2.3 W)
(DC operation, 10 % T.H.D.)
Speakers:
10 cm (4") full-range speaker x 2
Output terminal:
Headphones; 16-50 ohms
(recommended; 32 ohms)
(recommended; 32 ohms)
Dimensions:
Width; 480 mm (18-15/16")
Height; 153 mm (6-1/16")
Depth; 254 mm (10")
Height; 153 mm (6-1/16")
Depth; 254 mm (10")
Weight:
3.2 kg (7.1 Ibs.) without batteries
Radio
Frequency range:
FM; 87.5 - 108 MHz
AM; 526.5 - 1,606.5 kHz
AM; 526.5 - 1,606.5 kHz
Tape recorder
Frequency response:
50 - 14,000 Hz (Normal tape)
Signal/noise ratio:
50 dB
Wow and flitter:
0.3 % (DIN 45 511)
(161H Except for U.K./Australia/New Zealand/141H/162H)
Wow and flitter:
Wow and flitter:
0.25 % (WRMS)
(161H For U.K./Australia/New Zealand)
Motor:
Motor:
DC 12 V electric governor
Bias system:
AC bias
Erase system:
Magnet erase
Compact disc player
Disc:
Compact disc
Signal readout:
Non-contact, 3-beam semi-
conductor laser pickup
conductor laser pickup
Audio channels:
2
Quantization:
16-bit linear quantization
Filter:
4-tims oversampling digital filter
D/A converter:
1-bit D/A converter
Wow and flutter:
Unmeasurable
(less than 0.001% W. peak)
(less than 0.001% W. peak)
Specifications for this model are subject to change without
prior notice.
prior notice.
IMPORTANT SERVICE NOTES (161H FOR U.K. ONLY)
Before returning the unit to the customer after completion of a repair or adjustment it is necessary for the following withstand voltage
test to be applied to ensure the unit is safe for the customer to use.
Setting of Withstanding Voltage Tester and set.
test to be applied to ensure the unit is safe for the customer to use.
Setting of Withstanding Voltage Tester and set.
NG: The “NG” lamp lights and the buzzor sounds.
OK: The “GOOD” lamp lights.
Judgment
Unit
Set current (Cutoff current)
Set time
Set name
Withstanding Voltage Tester
Test voltage
Set value
4,240 VPEAK
3,000 VRMS
3,000 VRMS
6 secs
4 mA
PROBE
AC
OUT
UNIT
SHORT-CIRCUT
AC POWER
SUPPLY CORD
AC POWER
SUPPLY CORD
CONNECT THE PROBE
TO GND OF BATTERY
SPRING
TO GND OF BATTERY
SPRING
WITHSTANDING
VOLTAGE TESTER
QT-CD141H/161H/162H
– 4 –
NAMES OF PARTS
1. (TAPE) Record Button
2. (TAPE) Play Button
3. (TAPE) Rewind Button
4. (TAPE) Fast Forward Button
5. (TAPE) Stop/Eject Button
6. (TAPE) Pause Button
7. Cassette Compartment
8. CD Compartment
9. CD Eject Button
2. (TAPE) Play Button
3. (TAPE) Rewind Button
4. (TAPE) Fast Forward Button
5. (TAPE) Stop/Eject Button
6. (TAPE) Pause Button
7. Cassette Compartment
8. CD Compartment
9. CD Eject Button
10. (CD) Pause Button
(TUNER) Band Selector Button
11. Preset Memory Button
12. (CD) Stop Button
12. (CD) Stop Button
(TUNER) Tuning Down Button
13. (CD) Play/Repeat Button
(TUNER) Tuning Up Button
14. (CD) Track Up/Cue Button
(TUNER) Preset Up Button
15. (CD) Track Down/Review Button
(TUNER) Preset Down Button
16. Stand-by, On/Function Switch
17. Extra Bass Switch
18. Surround Switch (162H ONLY)
19. Volume Control
20. (CD) Play Indicator
21. (CD) Repeat Indicator
22. (CD) Pause Indicator
23. Memory Indicator
24. (TUNER) FM Stereo MOde Indicator
25. (TUNER) FM Stereo Indicator
26. Battery Compartment
27. FM Telescopic Rod Aerial
28. Headphone Socket
29. AC Power Input Socket
17. Extra Bass Switch
18. Surround Switch (162H ONLY)
19. Volume Control
20. (CD) Play Indicator
21. (CD) Repeat Indicator
22. (CD) Pause Indicator
23. Memory Indicator
24. (TUNER) FM Stereo MOde Indicator
25. (TUNER) FM Stereo Indicator
26. Battery Compartment
27. FM Telescopic Rod Aerial
28. Headphone Socket
29. AC Power Input Socket
Remote control (161H/162H ONLY)
30. (CD) Track Down/Review Button
(TUNER) Preset Down Button
31. (CD) Pause Button
(TUNER) Band Selector Button
32. (CD) Play/Repeat Button
(TUNER) Tuning Up Button
33. (CD) Track Up/Cue Button
(TUNER) Preset Up Button
34. (CD) Stop Button
(TUNER) Tuning Down Button
REMOTE CONTROL (161H/162H ONLY)
20 21 22 23 24 25
1 2 3 4 5
6 7 8 9
10
11
16
18 19
13
14
15
12
17
26
27
28 29
Illustration: QT-CD162H
30
31
32
33
34
15
15
Remote Sensor
0.2 m - 6 m
(8" - 20')
(8" - 20')
Notes:
Replace the batteries if the operating distance is
reduced or if the operation becomes erratic.
Periodically clean the transmitter LED on the
remote control and the sensor on the main unit
with a soft cloth.
Exposing the sensor on the main unit to strong
light may interfere with operation. Change the
lighting or the direction of the unit.
Keep the remote control away from moisture,
excessive heat, shock, and vibrations.
reduced or if the operation becomes erratic.
Periodically clean the transmitter LED on the
remote control and the sensor on the main unit
with a soft cloth.
Exposing the sensor on the main unit to strong
light may interfere with operation. Change the
lighting or the direction of the unit.
Keep the remote control away from moisture,
excessive heat, shock, and vibrations.
Illustration: QT-CD162H
QT-CD141H/161H/162H
– 5 –
1
Rear Cabinet
1. Screw ................. (A1) x10
5-1
2. Socket .................. (A2) x1
5-2
2
Top Cabinet
1. Knob ..................... (B1) x1
5-2
(with CD Mechanism/ 2. Screw ................... (B2) x3
Tape Mechanism/
Tape Mechanism/
3. Socket .................. (B3) x1
Main PWB)
3
Main PWB/
1. Screw ................... (C1) x9
5-3,6-1
Switch PWB/
2. Socket .................. (C2) x4
5-3,6-1
Headphones PWB 3. Soldering .............. (C3) x3
5-3
4
Surround PWB
1. Screw ................... (D1) x2
5-3
(162H Only)
5
Tape Mechanism
1. Screw ................... (E1) x4
6-1
6
CD Mechanism
1. Screw ................... (F1) x3
6-1
7
Terminal PWB
1. Screw ................... (G1) x5
6-2
2. Hook ..................... (G2) x1
8
Battery PWB
1. Hook ..................... (H1) x2
6-3
DISASSEMBLY
Caution on Disassembly
Follow the below-mentioned notes when disassembling the
unit and reassembling it, to keep it safe and ensure excellent
performance:
1. Take cassette tape and compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall
Follow the below-mentioned notes when disassembling the
unit and reassembling it, to keep it safe and ensure excellent
performance:
1. Take cassette tape and compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.
3. Take off nylon bands or wire holders where they need to
be removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.
the unit, be sure to rearrange the leads where they were
before disassembling.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
STEP
REMOVAL
PROCEDURE
FIGURE
Figure 5-3
Figure 5-1
Figure 5-2
Headphones
PWB
PWB
(C1)x6
ø3x10mm
ø3x10mm
(C1)x2
ø3x10mm
ø3x10mm
Main PWB
Top Cabinet
(C2)x1
(C3)x3
(C2)x2
Switch
PWB
PWB
(D1)x2
ø3x10mm
ø3x10mm
SURROUND
PWB
PWB
162H ONLY
(A1)x3
ø3x12mm
ø3x12mm
(A1)x1
ø3x12mm
ø3x12mm
(A1)x6
ø3x20mm
ø3x20mm
Rear Cabinet
Front Cabinet
(B2)x2
ø3x10mm
ø3x10mm
(A2)x1
(B3)x1
Front Cabinet
Top Cabinet
(B1)x1
Main PWB
(B2)x1
ø3x10mm
QT-CD141H/161H/162H
– 6 –
CD MECHANISM SECTION
Perform steps 1, 2, 3 and 5 of the disassembly method to
remove the CD mechanism.
remove the CD mechanism.
How to remove the pickup (See Fig. 6-4.)
1. Remove the screws (A1) x 2 pcs., to remove the shaft (A2)
x1 pcs.
2. Remove the stop washer (A3) x1 pcs., to remove the gear
(A4) x 1 pcs.
3. Remove the pickup.
Figure 6-3
REMOVING AND REINSTALLING THE MAIN PARTS
Top Cabinet
Tape
Mechanism
CD Mechanism
(F1)x3
ø2.5x10mm
ø2.5x10mm
(C1)x1
ø2.5x8mm
ø2.5x8mm
(E1)x4
ø3x10mm
ø3x10mm
(C2)x1
(G1)x2
ø3x12mm
ø3x12mm
(G1)x1
ø3x10mm
ø3x10mm
(G1)x2
ø3x10mm
ø3x10mm
Terminal PWB
Driver
Push
(G2)x1
Rear Cabinet
Figure 6-4
(A1) x2
ø2.6 x6mm
ø2.6 x6mm
Stop
Washer
(A3) x1
Washer
(A3) x1
CD
Mechanism
Mechanism
Gear
(A4) x1
(A4) x1
Shaft
(A2) x1
(A2) x1
Pickup
Figure 6-2
Figure 6-1
Rear Cabinet
(H1)x1
(H1)x1
Battery PWB
Pull
Pull