[1] Waveforms Of CD Servo Circuit ....................4-1
[2] IC Voltage......................................................4-3
Parts marked with "" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones
for maintaining the safety and performance of the set.
!
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
– 1
QT-MP3W
CHAPTER 1.
AudioXL-MP150Service ManualXLMP150Market
[1] Precautions For Using Lead-Free Solder
GENERAL DESCRIPTION
1.Employing lead-free solder
"AUDIO, CONTROL, RECTIFIER, CD, TUNER, TAPE PWB" of this model employs lead-free solder.
The LF symbol indicates lead-free solder, and is attached on the PWB and service manuals. The alphabetical
character following LF shows the type of lead-free solder.
Example:
Indicates lead-free solder of tin, silver and copper.
2.Using lead-free wire solder
When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with
conventional lead wire solder may cause damage or accident due to cracks.
As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40 C, were
commend you to use a dedicated soldring bit, if you are not familiar with how to obtain lead-free wire solder or
soldering bit, contact our service station or ser vice branch in your area.
3.Soldering
As the melting point of lead-free solder (Sn-Ag-Cu) is about 220 C which is higher than the conventional lead
solder by 40 C, and as it has poor solder wettability, you may be apt to keep the soldering bit in contact with the
PWB for extended period of time. However, since the land may be peeled off or the maximum heat-resistance
temperature of parts may be exceeded, remove the bit from the PWB as soon as you confirm the steady
soldering condition.
Lead-free solder contains more tin, and the end of the soldering bit may be easily corrected. Make sure to turn on
and off the power of the bit as required.
If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit
after every use of it.
When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.
Be careful when replacing parts with polarity indication on the PWB silk.
Precaution to be taken when replacing and servicing the Laser Pickup.
QT-MP3W
[3] Voltage Selection
[4] AC Power Supply Cord and AC Plug Adaptor
92L15124023002
/
92L15911022019
1 – 2
QT-MP3W
[5] Specifications
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
As part of our policy of continuous improvement, SHARP reserves the right to make design and
specifcation changes for product improvement without prior notice. The performance specification
figures indicated are nominal values of production units .There maybe some deviations from these
values in individual units.
Tape recorder
General
■
Power source
Power
consumption
Output power
Speakers
Dimensions
Weight
Radio
■
Frequency rangeFM: 88 - 108 MHz
AC 110 - 127/ 220 - 240 V, 50/60 Hz
DC12V ["D" size (UM/SUM-1, R20 or HP-
2) battery x 8]
Power on: 13 W
Power stand-by: 1.4 W
RMS : 4 W (2 W + 2 W)
(DC OPERATION, 10% T.H.D)
9 cm (3-1/2") full range speaker x 2
Width: 410 mm (16-1/8")
Height: 150 mm (6")
Depth: 245 mm (9-1/2")
2.7 kg (5.9 lbs.) without battery
AM: 531 - 1602 kHz
■
Frequency response80 - 8,000 Hz (Normal tape)
Signal/noise ratio40 dB
Wow and flutter0.3% (WRMS)
MotorDC 9 V electric governor
Bias systemAC bias
Erase systemMagnet erase
CD player
■
TypeCompact disc player
Signal readoutNon-contact, 3-beam semiconductor
D/A converter1-bit D/A converter
Frequency
response
laser pickup
60 - 20,000 Hz
1 – 3
[6] Names Of Parts
r
213 4 5 6 7 8 9 10 11
QT-MP3W
Front panel
1. Cassette Compartment
2. FM Stereo Indicator
3. Folder Down Button
ON
/
4. Power on Indicator
5. Folder Up Button
6. Memory Button
7. Repeat/Random Button
8. Fast Reverse/Track Down Button
9. Fast Forward/ Track Up Button
10. Play/Pause Button
11. Stop Button
3
U
M
L
O
E
V
M
IN
MAX
X-BASS
OFFON
TAPE (STAND-BY)
CD
RADIO
FUNCTION
MIC
PAUSE
STOP/EJECT F.FWD REWIND PLAY RECORD
10 11 12 13 14 15
9
6542178
Top panel
1. Headphone Socket
2. X-Bass On/Off Button
3. Volume Control
N
I
G
N
U
T
KHz
Hz
M
1600
08
1
1400
1200
06
1
4
1000
0
1
2
10
800
00
1
00
7
AM
E
S
O
L
C
/
H
S
U
P
N
E
P
O
96
FM
0
60
2
9
0
9
530
8
8
AM
BAND
M
F
4. Function switch
5. CD Compartment
6. CD Door Open Button
7. Tuner Band Selector
8. Tuning Control
9. Build-in Mic
10. Tape Pause Button
11. Tape Stop/Eject Button
12. Tape Fast Forward Button
13. Tape Rewind Button
14. Tape Play Button
15. Tape Record Button
Back Panel
1. FM Stereo/Mono mode/Beat Cancel Selecto
2. Battery Compartment
3. Voltage Selector
4. AC Input Socket
Display
1. MP3 Indicator
2. WMA Indicator
3. Disc Play Indicator
4. Folder Indicator
5. Repeat mode Indicators
6. Memory Indicator
7. Random Indicator
1 – 4
QT-MP3W
CHAPTER 2. ADJUSTMENTS
[1] Tuner Section
Use a plastic screw driver for adjustments.
Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter.
Set of unit
Supply voltage
speaker impedance
standard output
Function switch
Parts Location:
DC 12.0V
:
4ohms
:
50 mW
:
RADIO
:
T103
L101
C2
C4
T101
a. AM Adjustment
2
3
4
5
Adjusting
Circuit
IF1
Tuning
coverage
Tracking
Step
b. FM Adjustment
Step
Adjusting
Circuit
C1
L102
C3
Band switch: MW
Connections
InputOutput
Closed the outputConnect sweep
termial by sweepgenerator to 465 KHzLowT103
generator, it place
to MW ANT
Connect AM SG toConnect VTVM to
test loopspeaker terminals.
Connect AM SG toConnect VTVM to
test loopspeaker terminals.
IC101(17) PIN(A)
SGPosition ofVTVM
FrequencyTuning dialOscilloscope
522 KHzLow endT101
1620 KHzHigh endC4
600 KHz600 KHzMW ANT COILMax.
1400 KHz1400 KHzC3Max.
Adjustment
Band switch: FM FM Dummy antenna: 75 ohms unbalance
Connection
InputOutput
SGPosition ofVTVM
FrequencyTuning dialOscilloscope
Adjustment
2
3
4
5
Tuning
coverage
Tracking
Connect FM SG toConnect VTVM to
FM.ANT & D101(-)speaker terminals.
Connect FM SG toConnect VTVM to
FM.ANT & D101(-)speaker terminals.
87.35 MHzLow endL102
108.25 MHzHigh endC1
90.0 MHz90.0 MHzL101Max.
106.0 MHz106.0 MHzC2Max.
2 – 1
[2] Mechanism Section
1 HEAD AZIMUTH ADJUSTMET
( 1 )Load the test tape TCC-182A 8KHz for azimuth
adjustment.
( 2 )Press the PLAY button.
( 3 )Use a cross-tip screwdriver to turn the screw for azimuth
adjustment so that the left and right output are maximized.
( 4 )Press the STOP button.
( 5 )After completion of the adjustment. Use thread lock (TB-1401B)
to secure the azimuth-adjustment screw.
2 AC BIAS FREQUENCY ADJUSTMENTS
( 1 )Connect frequency counter to CN201 (BS).
( 2 )R/P swith in recording state.
( 3 )Adjusting T201 use a plastic screwdriver, AC bias frepuency; 62+-1KHZ.
QT-MP3W
3 TAPE SPEED ADJUSTMENT
( 1 )Insert the test tape (MTT-111N,3,000 HZ).
( 2 )Press the PLAY button.
( 3 )Use a flat-tip screwdriver to turn the MOTOR VR.
Adjust MOTOR VR so that the frequency counter
become 3,000Hz.
CASSETTE MECHANISM SECTION
CASS DECK
2 – 2
QT-MP3W
Ө
HEAD AZIMUTH ADJUSTING SCREW
Tape recorder section
Items
Confirmation
of head angle
ConfirmationAdjust VR401 so that the frequency counter
of tape speed
Reference Values for Confirmation Items
Measurement
conditions
:Test tape
TCC-182A (8KHz)
:Measurement output
terminal
Speaker terminal
Sparker R
(Load resistance:
8Ө
)
Headphone terminal
:Test tape
TCC-112 (3KHz)
:Measurement output
terminal
Headphone terminal
1 Playback the test tape TCC-182A (8KHz)MaximumAdjust the head
left and right output levers become
maximum, After adjustment, lock the head
azimuth at least by half turn.
playing back the test tape TCC-112 (3KHz)
with ending forward winding of the tape.
Measurement method
Standard
Values
outputazimuth screw
Tape speed MOTOR VR
of deck
:3,010Hz
+/-15Hz
Adjusting
positions
only
Items
Wow & flutterWhen the test tape TCC-112 (3KHz) has
Measurement
conditions
:Test tape
TCC-112(3KHz)
:Measurement output
terminal
Headphone terminal
Measurement method
been mechanism at the beginning of
forward wow & flutter should be 0.25% or
less (WRMS).
Standard
Values
0.25% or
less
(WRMS)
Adjusting]
positions
2 – 3
Electrical Performance
QT-MP3W
Items
Adjustment of
recording bias
current
(Reference
Value)
Adjustment of
recording and
playback
frequency
characteristics
Measurement
conditions
:Mode
Playback mode
Recording mode
:Test tape
TDK-D60
:Measurement
output terminal
Both recording and
headphone
terminals
:Reference frequency
1KHz and 8KHz
(REF.:- 10dB)
:Test tape
TDK-D60
:Measurement
input terminal
OSC IN
StandardAdjusting
Values
1 With the recording and playback
mechanism, load the test tapes
TDK-D60, and set the mechanism to the
recording and pausing condition in advance.
2 After connecting 100in series to the
recorder head, measure the bias current
with a valve voltmeter at both of the
terminals.
1 With the recording and playbackOutput
mechanism, load the test tapes (TDK-D60)deviation
and set the mechanism to the
recording and pausing condition in
advance.
2 While repetitively inputting the reference
frequency signal of 1KHz and 8KHz from
OSC IN, record and playback the tape.
3 While receding and playback the test tape
Lch and Rch so that the output
deviation between 1KHz and 8KHz
becomes -1dB +/-2dB.
TDK-D60
4.5
A
+/-0.5 A
between
1KHz and
8KHz
:-1dB +/-2dB
positions
Reference Values for Electrical Function Confirmation Items
Items
Recording
bias
frequency
Measurement
conditions
Playback
:Test tape
TDK-D60
:Measurement
terminal
BIAS TP on
P.C. board
1 While changing over to and form BIAS 1
and 2, confirm that the frequency is
changed.
2 With the recording and playback
mechanism, load the test tape.
(TDK-D60), and set the mechanism to the
recording and pausing condition in advance.
3 Confirm that the BIAS TP frequency on the
P.C. board is 62KHz +/-6KHz.
•Resistor:
To differentiate the units of resistors, such symbol as
K and M are used: the symbol K means 1000 ohm
and the symbol M means 1000 kohm and the resistor without any symbol is ohm-type resistor.
Besides, the one with “Fusible” is a fuse type.
• Capacitor:
To indicate the unit of capacitor, a symbol P is used:
this symbol P means pico-farad and the unit of the
capacitor without such a symbol is microfarad. As to
electrolytic capacitor, the expression “capacitance/
withstand voltage” is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
• Schematic diagram and Wiring Side of P.W.Board
for this model are subject to change for
improvement without prior notice.
• The indicated voltage in each section is the one
measured by Digital Multimeter between such a
section and the chassis with no signal given.
1. In the tuner section,
indicates AM
indicates FM stereo
2. In the audio section, a tape is being played back.
3. In the deck section, a tape is being played back.
( ) indicates the record state.
4. In the rectifier section, a tape is being played
back.
5. In the CD section, the CD is stopped.
• Parts marked with ““ () are
important for maintaining the safety of the set. Be
sure to replace these parts with specified ones for
maintaining the safety and performance of the set.
[2] Types Of Transistor And LED
FRONT
VIEW
ECB
(S)(G)(D)
(1)(2)(3)
B764
9014C
S8050
9015C
B
(3)
TOP
VIEW
E
(1)
HY3C
HY4C
92L22708030000
92L22708050012
92L22708050001
C
(2)
FRONT
VIEW
TOP VIEW
1N4001
1N4148
5 – 1
QT-MP3W
[3] Schematic Diagram
A
B
C
D
E
F
G
H
1
23456
Figure 5-1: TUNER SCHEMATIC DIAGRAM
5 – 2
QT-MP3W
A
B
C
D
E
F
G
H
1
23456
Figure 5-2: DISPLAY SCHEMATIC DIAGRAM
5 – 3
QT-MP3W
A
B
C
D
E
F
G
H
1
23456
Figure 5-3: AUDIO SCHEMATIC DIAGRAM
5 – 4
QT-MP3W
A
B
C
D
E
F
G
H
1
23456
Figure 5-4: TAPE SCHEMATIC DIAGRAM
5 – 5
QT-MP3W
A
B
C
D
E
F
G
H
1
23456
Figure 5-5: POWER SCHEMATIC DIAGRAM
5 – 6
-MEMO-
QT-MP3W
5 – 7
QT-MP3W
A
B
C
D
E
F
G
H
1
23456
Figure 5-6: CD SCHEMATIC DIAGRAM (1/4)
5 – 8
QT-MP3W
7
89101112
Figure 5-7: CD SCHEMATIC DIAGRAM (2/4)
5 – 9
QT-MP3W
A
B
C
D
E
F
G
H
1
23456
Figure 5-8: CD SCHEMATIC DIAGRAM (3/4)
5 – 10
QT-MP3W
7
89101112
Figure 5-9: CD SCHEMATIC DIAGRAM (4/4)
5 – 11
QT-MP3W55
[4] Wiring Side Of PWB
AUDIO PWB-A1
A
B
C
103
TO
CN1
RECTIFIER PWB-A3
2345
1
GY
GY
GY
GY
OR
GY
GY
GY
GY
OR
12345
FROM SPEAKER UNIT
BK
BR
BK
RD
1234
1234
D
E
COLOR TABLE
GYGRAY
ORORANGE
RDRED
BRBROWN
F
BKBLACK
WHWHITE
G
CNS302
WIR 1
BCE
BCE
1234
1
1234
CNS702
GYGYGY
OR
H
FROM
CONTROL PWB-A2
1
OR
CN702
1
23456
Figure 5-10: WIRING SIDE OF AUDIO PWB (TOP VIEW) (1/2)
5 – 12
WIR 1
GYGYGYGYGY
1234567
GY
OR
CORE
BCE
GY
GY
GY
GY
GY
GY
OR
QT-MP3W
TO
CD PWB-B
CN902
1234567
CNS901
12345678910
12345678910
GYGYGYGYGYGYGYGYGY
OR
TO TAPE PWB-C
CN202
7
89101112
21
BCE
654321
CNS203
21
BKWH
GYGYGYGYGY
CNS307
OR
BCE
TO MIC INPUT
Figure 5-11: WIRING SIDE OF AUDIO PWB (TOP VIEW) (2/2)
5 – 13
BCE
GY
GY
GY
GY
GY
GY
TO
654321
CNS102
CN101
TUNER PWB-A4
QT-MP3W
A
B
C
CONTROL PWB-A2
321
OR
GY
GY
GY
1234
1234
TO
AUDIO PWB-A1
CN202
CNS702
COLOR TABLE
121110
D
987654321
ORORANGE
GYGRAY
E
F
14 161210
1113 15
8642
161
161
CN901
FROM
CD PWB-B
G
13579
FFC703
H
1
23456
Figure 5-12: WIRING SIDE OF CONTROL PWB
5 – 14
-MEMO-
QT-MP3W
5 – 15
QT-MP3W
A
B
C
D
RECTIFIER PWB-A3
OR
GY
GY
FROM
AUDIO PWB-A1
FROM
CN302
GY
GY
WH
BK
RD
CNS302CNS1101
12345
123
12345
CNS1102
YL
AC POWER SOURCE (VS1)
123
1 2 3
WH
RD
1 2 3
BA TTER Y TERMINAL
FROM
&
( )
TAPE MOTOR
E
YL
(PT1)
FROM
F
YL
POWER TRANSFORMER
COLOR TABLE
BKBLACK
ORORANGE
G
RDRED
WHWHITE
GYGRAY
YLYELLOW
H
1
23456
Figure 5-13: WIRING SIDE OF RECTIFIER PWB (1/2)
5 – 16
QT-MP3W
A
B
C
RD
RD
YL
BKBL
BL BR RD
D
E
BK
BR
RD
F
RD
G
WH
DC
VOLTAGE
12 V
H
1
23456
Figure 5-14: WIRING SIDE OF RECTIFIER PWB (2/2)
5 – 17
QT-MP3W
A
TUNER PWB-A4
A
TO
BAR ANTENNA
B
TO
BAR ANTENNA
RD
B
C
WH
D
E
F
G
H
1
23456
Figure 5-15: WIRING SIDE OF TUNER PWB (TOP VIEW) (1/2)
5 – 18
QT-MP3W
TO
BAR ANTENNA
BK
TO
BAR ANTENNA
GR
232422 21 20 19 18 17 16 15 14 13
1234567891011
12
321
COLOR TABLE
GYGRAY
ORORANGE
GRGREEN
BKBLACK
WHWHITE
RDRED
BCE
GYGYGY
GY
OR
FROM
AUDIO PWB-A1
CN102
124563
CNS102
124563
GY
7
89101112
Figure 5-16: WIRING SIDE OF TUNER PWB (TOP VIEW) (2/2)
5 – 19
QT-MP3W
A
B
C
TUNER PWB-A4
D
E
F
G
H
1
23456
Figure 5-17: WIRING SIDE OF TUNER PWB (BOTTOM VIEW) (1/2)
5 – 20
COLOR TABLE
WHWHITE
RDRED
BKBLACK
GRGREEN
WH RD BK GR
LUG 1
BAR ANTENNA
BR2
QT-MP3W
BR1
RA1
TO
TUNER PWB-A4
(Please see at top side
page 6-20 & 6-21)
ROD ANTENNA
7
89101112
Figure 5-18: WIRING SIDE OF TUNER PWB (BOTTOM VIEW) (2/2)
5 – 21
QT-MP3W
A
B
C
D
CD PWB-B
EBC
EBC
COLOR TABLE
BRBROWN
E
RDRED
GYGRAY
ORORANGE
FROM
CD DOOR
F
G
H
LEAF SWITCH
BR
RD
12
12
2468
1357 9
FROM
10 12 14 16
11 13 15
161
CONTROL PWB-A2
1
23456
Figure 5-19: WIRING SIDE OF CD PWB (TOP VIEW) (1/2)
5 – 22
QT-MP3W
EBC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
123456 7
1 2 3 4 5 6CNS901
GY
GY
GY
GY
GY
GY
7
OR
FROM
CD PICK-UP
UNIT
FROM
AUDIO PWB-A1
CN901
7
89101112
Figure 5-20: WIRING SIDE OF CD PWB (TOP VIEW) (2/2)
5 – 23
QT-MP3W
A
B
C
CD PWB-B
D
1
E
F
G
H
1
23456
Figure 5-21: WIRING SIDE OF CD PWB (BOTTOM VIEW) (1/2)
5 – 24
QT-MP3W
IC902
IC904
7
89101112
Figure 5-22: WIRING SIDE OF CD PWB (BOTTOM VIEW) (2/2)
5 – 25
QT-MP3W
A
B
C
TO
CN304
AUDIO PWB-A1
D
CNS304
GY
12345678910
GY
GY
GY
GY
GY
GY
GY
GY
OR
CNS202
12345678910
TAPE PWB-C
12345678910
CN202
E
F
G
EBC
Lead-free solder indication
Lead-free solder is used in the TAPE PWB.
Refer to "Precautions for handling lead-free solder" for
H
instructions
1
and precautions.
23456
Figure 5-23: WIRING SIDE OF TAPE PWB (TOP VIEW) (1/2)
5 – 26
QT-MP3W
123456789
CNS201-A
1234
1234
YL
WH
BK
RD
TO
TAPE HEAD
COLOR TABLE
BKBLACK
WHWHITE
RDRED
EBC
7
89101112
Figure 5-24: WIRING SIDE OF TAPE PWB (TOP VIEW) (2/2)
ORORANGE
YLYELLOW
GYGRAY
5 – 27
QT-MP3W
A
B
C
D
TAPE PWB-C
E
F
G
H
1
23456
Figure 5-25: WIRING SIDE OF TAPE PWB (BOTTOM VIEW) (1/2)
5 – 28
QT-MP3W
7
89101112
Figure 5-26: WIRING SIDE OF TAPE PWB (BOTTOM VIEW) (2/2)
5 – 29
A
B
C
D
E
F
G
H
1
23456
QT-MP3W
TAPE PWB-C
TO
CN203
12
34
RD
BK
WH
YL
RD
BL
TAPE PLAY
SWITCH
CNS203
TAPE MECHANISM
TAPE MOTOR
WH
1
BK
2
RD
WH
CAPACITOR
(220 µF/25 V)
BL
BK
3
CNS201
TO
TAPE PWB-C
CN201
COLOR TABLE
BKBLACK
WHWHITE
RDRED
YLYELLOW
BLBLUE
Figure 5-27: WIRING SIDE OF TAPE MECHANISM
5 – 30
QT-MP3W
A
B
SPEAKER
R-CH
TO
L-CH
AUDIO PWB-A1
TWEETER
C
CN301
TWEETER
1234
BKRD
BK
D
BR
BR
BK
BK
RD
BK
BR
BKRD
BKBK
E
F
RDRD
WOOFERWOOFER
G
COLOR TABLE
BKBLACK
BRBROWN
RDRED
H
1
23456
Figure 5-28: WIRING SIDE OF SPEAKER
5 – 31
QT-MP3W
CHAPTER 6. FLOWCHART
[1] Troubleshooting
1. When the CD does not function
The CD section may not operate when the objective lens of the optical pickup is dirty. Clean the objective lens, and
check the playback operation. When this section does not opera te even af ter the abo ve step is t aken , check the fo llowing items.
Remove the cabinet and follow the trouble shooting instructions.
"Track skipping and/or no T OC (Table Of Conte nts) may be ca used by build up of du st other foreig n matter on the laser
pickup lens. Before attempting any adjustmen t make certain that the lens is clean. If not, clean it as mentioned below."
Turn the power off.
Gently clean the lens with a lens cleaning tissue and a small amount of isopropyl alcohol.
Do not touch the lens with the bare hand.
Using the brush in the cleaner cap, apply 1 or 2 drops of the cleaning fluid to the
brush on the CD cleaner disc which has the mark next to it.
2.
Place the CD cleaner disc onto the CD disc tray with the brush side down, then
press the play button.
3.
You will hear music for about 20 seconds and the CD player will automatically stop.
If it still play continuously, press the stop button.
CAUTION
The CD lens cleaner should be effective for 30-50 operations, however if the
brushes become worn out earlier then please replace the cleaner disc.
If the CD cleaner brushes become very wet then wipe off any excess fluid with a soft
cloth.
Do not drink the cleaner fluid or allow it contact with the eyes. In the event of this
happening then drink and / or rinse with clean water and seek medical advice.
The CD cleaner disc must not be used on car CD players or on computer CD-ROM
drives.
All rights reserved. Unauthorized duplicating, broadcasting and renting this product
is prohibited by law.
2. When a CD cannot be played
Cleaning fluid
Cleaner disc
2.1. Pressing the CD operation key is accepted, but playback does not occur.
1) Focus-RF system check
2) Tracking system check
3) Spin system check
4) Others
6 – 1
SC9641 reposit to 600MS
g
2
g
o
QT-MP3W
Confirm SLDGE
reposit or not?
YES
Start playback without Disc
Confirm Pick up
raise up down
focus aging
YES
Judge focus open
or close
?
Servohead inspect no disc
NO
NO
NO
Check SLED output and
drive circuit, see Figure 1
Checking FOC drive
information,see Fi
ure
Inspect the informationo of
LDON and the laser control
cricuit of SA9618
1
10
3
U902 19
U902 4
U901 64
CH1 10:1
1.00 V/div
DC Full
CH1 10:1
2.00 V/div
DC Full
CH1 10:1
2.00 V/div
DC Full
< Z1 : 2.5M >
< Z1 : 2M >
Edge CH4
Auto
0.50 V
Edge CH4
Auto
0.50 V
1s/div
CH 4
Display500ms/div
Position
-0.20div
Coupling
DC1M
Probe
10:1
Offset
0:32 V
Bandwidth
Full
Freq (C1)
22.22222kHz
ONOFF
Put disc and then re-start playback
YES
Whether disc is
stepped-up
playback
Whether the 56pin
information of SC9641
raise chan
e from high t
low
YES
Have lock track.under regular
condition, can find every drive
wave(figure-3)
NO
NO
Whether focus is regular or
not, inspect focus reposit
Track raise change and can
not block the original track,
inspect track
CH 4
1s/div
Display
Position
- 3.00div
Coupling
DC1M
Probe
10:1
Offset
0:82 V
Bandwidth
Full
ONOFF
CH3 10:1
2.00 V/div
DC Full
< Z1 : 2M >
Freq(C2) 50.00000kHz
Edge CH4
CH4 10:1
Auto
2.00 V/div
0.50 V
DC Full
U902 10
5
U902 19
1
U902 24
4
U902 4
3
Freq(C1)
40.00000kHz
FR-A(C4)
CH2 10:1
2.00 V/div
DC Full
43.75492kHz
CH1 10:1
2.00 V/div
DC Full
6 – 2
QT-MP3W
g
Whether RF waveform is ok (ftgure4)
YES
Check whether
disc is good
YES
Confirm output
whether have noise
or wrong song
NO
Servo system ok
NO
YES
Check circuit of SA9618 of
RF
Confirm Disc
format whether
CDDA or not
YES
6
U901 12
NO
NO
˜
0.2vCH1A>0.2µs
Whether 56pin
output raise any high
voltage impulse or
not
YES
C2 cannot rectify when raise
many wrong data under
Disc, as a result, which
readin
exist any wrong songs. Please
check Disc and whether Pickup is aging or not.
Confirm pin no. 24 output
is square wave of 88.2K is
stabil or not
YES
C2 cannot rectify if many
many wrong data during
read the Disc, cause wrong
song selected. Please
check Disc and whether
Pick-up is aging or not.
Confirm pin no.24 output
shows high voltage
impulse or not.
YES
6 – 3
CHAPTER 7. OTHERS
[1] Function Table Of IC
U712 92L31012161601 : SDRAM (M12L161A)
Signal NameShared SignalPin #TypeDescription-TS2501
External Memory Interface Pins
SD_CKEGPIO_B[0]56I/OSDRAM Clock Enable signal. Active high. / GPIO_B[0]
SD_CLKGPO44I/OSDRAM Clock / GPO. SD_CLK can be used as a general purpose output.
SD_nCSSD_nCLK/
GPIO_B[1]
XA[21:20]DQM[0:1]43:42I/OExternal Bus Address Bit [21:20] / Data I/O Mask 0, 1
XA[19:18]DQS[1:0]40:39I/OExternal Bus Address Bit [19:18] / DDR SDRAM / GPIO_B[1]
XA[17]ND_CLE38I/OExternal Bus Address Bit [17] / CLE for NAND Flash
XA[16]SD_nRAS37I/OExternal Bus Address Bit [16] / SDRAM RAS signal / ALE for NAND Flash
XA[15]SD_nCAS36I/OExternal Bus Address Bit [15] / SDRAM CAS signal
XA[14]SD_BA[1]35I/OExternal Bus Address Bit [14] / SDRAM Bank Address 1
XA[13]SD_BA[0]34I/OExternal Bus Address Bit [13] / SDRAM Bank Address 0
XA[12:7]31:26I/OExternal Bus Address Bit [12:0]
XA[6:0]23:17
XA[15:9]15:9I/OExternal Bus Address Bit [15:0]
XA[8:4]6:2
XA[3:0]128:125
NCS[3:0]ND_nOE[3:0] /
GPIO_B[5:2]
ND_nWEGPIO_B[7]57I/ONAND Flash WE. Active low. / GPIO_B[7]
nWE58I/OStatic Memory Write Enable signal. Active low.
nOE59I/OStatic Memory Write Output Enable signal. Active low.
READY73IReady information from external device.
GPIO_B[0]SD_CKE56I/OGPIO[0] / SDRAM clock control
GPIO_D[21:18]FGPIO[14:11] /
XIN-74IMain Crystal Oscillator Input for PLL. 12MHz Crystal must be used if USB
XOUT-75OMain Crystal Oscillator Output for PLL
XFILT-78AOPLL filter output
XTIN-69ISub Crystal Oscillator Input. 32.768kHz is recommended. Input voltage must
XTOUT-70OSub Crystal Oscillator Output
MODE1-98IMode Setting Input 1. Pull-down for normal operation.
PKG1-89IPackage ID1. Pull-up for normal operation.
nRESET-72ISystem Reset. Active low.
TDI-99IJTAG serial data input for ARM940T
TMS-100IJTAG test mode select for ARM940T
TCK-101IJTAG test clock for ARM940T
TDO-102I/OJTAG serial data output for ARM940T. External pull-up resistor is required to
nTRST-103IJTAG reset signal for ARM940T. Active low.
VDDIO-112
VDD_USB-64PWRPower for USB I/O (3.3V)
46I/OChip select signal for SDRAM, Active low / Inverted SD_CLK for DDR SDRAM
96:93I/OGPIO_D[21:18] / Fast GPIO bits 14 ~ 11 / Camera Interface Data Inputs
92I/OGPIO_D[17] / Fast GPIO bit 10 / 12C SCL / Camera Interface Hsync.
91I/OGPIO_D[16] / Fast GPIO bit 9 / 12C SDA / Camera Interface Vsync.
90I/OGPIO_D[15] / Fast GPIO bit 8 / Camera Interface Clock
PWRDigital Power for I/O (1.8V ~ 3.3V)
76
33
16
Refer to section “MEMORY CONTROLLER”.
(MCFG register Bit[3] and Bit [1])
/ GPIO_B[1]
GPIO_B[5:2]
SDRAM / Inverted Clock for DDR SDRAM.
3 ~ 0. Internal pull-up resistors are enabled at reset. GPIO_D[19:18] are
disabled in TS250IT(N.C).
ADC Input Pins
Clock Pins
Boot Mode is required. Input voltage must not exceed VDD_OSC
(1.95V max).
not exceed VDD_OSC (1.95V max).
Mode Control Pins
JTAG Interface Pins
prevent floating during normal operation.
Power Pins
7 – 4
U710 92L31000250110 : CPU ( TS2501 ) ( 4/4 )
Signal NameShared SignalPin #TypeDescription-TS2501
VDD_OSC-71PWRDigital Power for Oscillators (1.8V)
VDDI-119
109
41
24
7
VDDI_ADC-87PWRDigital Power for ADC (1.8V)
VDDA_ADC-81PWRAnalog Power for ADC (3.3V)
VDDA_PLL-77PWRAnalog & Digital Power for PLL (1.8V)
VSSIO-97
65
45
32
1
VSSI-120
110
55
25
8
VSSI_ADC-88GNDDigital Ground for ADC
VBBA_ADC-86GNDAnalog Ground for ADC
VSSA_ADC-85GNDAnalog Ground for ADC
VBBA_PLL-80GNDAnalog Ground for PLL
VSSA_PLL-79GNDAnalog Ground for PLL
AAddress InputsTo provide memory addresses. During Sector-Erase address lines will select theA
MSDD0
DQData Input/output To ouput data during Read cycles and receive input data during Write cycles.
DQ
-
150
sector. During Block-Erase address lines will select the block.
Data is internally latched during a Write cycle.
-
AA
MS 15
The outputs are in tri-state when OE# or CE# is high.
CE#Chip EnableTo activate the device when CE# is low.
OE#Output EnableTo gate the data output buffers.
WE#Write EnableTo control the Write operations.
VPower SupplyTo provide power supply voltage:
Parts marked with "" are important for maintaining the safety of the set. Be sure to replace these parts with specified
ones for maintaining the safety and performance of the set.
!
SHARP CORPORATION
[13] P.W.B. ASSEMBLY
(Not Replacement Item)
[14] OTHER SERVICE PARTS
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
DZ1101 92L20620008202ACZENER 8.2V ( 1/2W )
LED701 92L22708030000ACLED ROUND TYPE 3mm RED
LED702 92L22708030000ACLED ROUND TYPE 3mm RED
LED703 92L22708050012AGLED ROUND 5mm 53B3SC08 SUPER
LED704 92L22708050001ACLED ROUND TYPE 3mm RED
FM ANT 1 92L24450000150AELug, 1 Pin
FM ANT 2 92L41010000001ABContact Pin RT-01T-1.0B 1mm
FS1101 92L23190220053AEFuse, 2A, 250V
!
FSH1101 92L40605009000ACFuse Holder
!
FSH1102 92L40605009000ACFuse Holder
!
JK301 92L24000352802AHHeadphone Jack
RA1 92L21212001500AM Coil
RD1 92L15542002638AMRod Antenna
SW101 92L21992225506ADSwitch, Slide Type
SW102 92L21912233509ADSwitch, Slide Type
SW201 92L21866220597AESwitch, Recording
SW301 92L21808508580AESwitch, Push Type
SW302 92L21992320506ADSwitch, Slide Type
SW701 92L21706065050Switch, Key Type [Folder Up]
SW702 92L21706065050Switch, Key Type [Stop]
SW703 92L21706065050Switch, Key Type [Folder Down]
SW704 92L21706065050Switch, Key Type [Memory]
SW705 92L21706065050Switch, Key Type [Repeat / Random]
SW706 92L21706065050Switch, Key Type [Fast Reverse / Track Down]
SW707 92L21706065050Switch, Key Type [Fast Forward / Track Up]
SW708 92L21706065050Switch, Key Type [Play / Pause]
SW901 92L21720005300ADCD Switch
SW904 92L21720003550ADCD Leaf Switch
VR301 92L22516205086Variable, Volume
NEW
MARK
PART
RANK
DESCRIPTION
7
-MEMO-
QT-MP3W
8
QT-MP3W
[11] CABINET PARTS
266
256
612
257
606 x 4
260
611
259
610
612 x 2
251
252
PT
608 x 2
603
253
PWB-A3
Voltage
Selector
206
207
263 x 2
208
201
202
223
209
203
205
PWB-E
PWB-A2
218
216
612
255
263
602
PWB-A1
217
603 x 3
232
219
231
230
234
213
233
603 x 3
PWB-B
214
258
235
605 x 3
261
612
210
239
237
236
265
219 x 2
238
602
603
603 x 4
211
602
222
263
602 x 2
247
262
225
614 x 4
212
267
220
245
229
217
604
242
605 x 3
219 x 2
217
220
228
226
603 x 6
224
613
605
219
218
243
244
246
605
227
PWB-C
605
221
9
NO.PARTS CODE
[11] CABINET PARTS
201 92L5220804XXXXAGDISPLAY LENS
202 92L5220450XXXXAKDISPLAY PANEL
203 92L5220500XX60ADOPERATION/CD/USB/MEMORY/FOLDER KNOB
205 92L52203200000ALLCD BRACKET
206 92L522041200XXAKLEFT TWEETER SPEAKER TOP COVER
207 92L5UH4300030AFLEFT ADORN COVER
208 92L761QUH4GS40ALLEFT SPEAKER GRILL
209 92L76660000000ABCASSETTE DOOR SPRING ST1/ST2/ST3
210 92L522041800XXAKRIGHT TWEETER SPEAKER TOP COVER
211 92L5UH4300080AFRIGHT ADORN COVER
212 92L762QUH4GS40ALRIGHT SPEAKER GRILL
213 92L5220030XXXXAMCASSETTE DOOR
214 92L5220720XXXXAFCASSETTE DOOR LENS
215 92L52202680000ACREMOTE RECEIVE LED BRACKET
216 92L5220010XX00AHFRONT CABINET
217 92L15435843052AMSPEAKER
218 92L41906405825AESHIELD PLATE
219 92L45915516560ABSPEAKER CLIP 15.5x16.5x0.7mm
220 92L53912110000ACCD DOOR / CASSETTE/ DOOR GEAR
221 92L53912120000ABCD DOOR / CASSETTE DOOR GEAR HOLDER
222 92L5220100XX00AUCASSETTE KNOB
223 92L52202200000ADRECORDING BRACKET
224 92L52202300000ADTURNING DRUM
225 92L5220082XX00ADBAND KNOB
226 92L52202400000ADTUNING KNOB GEAR
227 92L52203000000ADPOINTER BRACKET
228 92L52200900400ADDAIL POINTER
229 92L52204600000ACCD DOOR LOCK
230 92L5220072XX00ADBASS KNOB
231 92L5220088XX00ADFUNCTION KNOB
232 92L5QM3470XXXXTOP PANEL
233 92L5220904XX00AEVOLUME KNOB RING
234 92L5220074XX00AFVOLUME KNOB
235 92L500100000XXADCD CHUCK
236 92L47330016000ADCD MAGNET RING 30x16x5mm
237 92L5220803XXXXAFCD DOOR LENS
238 92L500291942XXAECD CHUCK M
239 92L5368490XXXXAPCD DOOR
242 92L47977000000ACSPRING FOR CD DOOR
243 92L5220060XX00AFTUNING KNOB
244 92L5220906XX00AETUNING KNOB RING
245 92L5220050XX00APHANDLE
246 92L52207100000ADDIAL LENS
247 92L5220500XX00ADCD DOOR KNOB
251 92L50002510000ABAC SOCKET COVER
252 92L15800023002AGAC SOCKET
253 92L50002520000ACVOLTAGE SELECT SWITCH COVER
255 92L5220020XX00AYBACK CABINET
256 92L76470130000ABBATTER SPRING (+)
257 92L76570130000ACBATTER SPRING (-)
258 92L76345500000AC
9 92L
25
260 92L15542002638AMROD ANTENNA 2SECTION L=238mm
261 92L15613510914AZCASSETTE DECK
262 92L50099111000ADCD MEDHANISM COVER
263 92L45802312500ABRUBBER FOOT , DIA. 2.3x12.5mm
264 92L50002520000ACCOVER FOR BAND SWITCH 7013K/SS
265 92L45832884020ACRUBBER SILICON
266 92L61308007200ADCAUTION LABEL(SHARP)
267 92L35611600091BDCD MECHANISM
601 92L23812608031AASCREW ST 2.6 x 8 mm PWA
602 92L23812006002AASCREW ST 2 x 6 mm PB BLACK
603 92L23813008002AASCREW ST 3 x 8 mm PB
604 92L23822006002AASCREW ST 2 x 6mm BB ZC HARB
605 92L23813008032AASCREW ST 3 x 8 mm PWB
606 92L23813025002AASCREW ST 3 x 25 mm PB
607 92L23813010032AASCREW ST 3 x 10 mm PWB
608 92L23813010002AASCREW ST 3 x 10 mm PB
610 92L23813020032AASCREW ST 3 x 20 mm PWB
611 92L23813008003AASCREW 3X8 BM
612 92L23812812002AASCREW ST 2.8 x 12 mm PB
613 92L23822606003AASCREW M 2.6 x 6 mm BM
614 92L23813012002AASCREW ST 3 x 12 mm PB
615 92L23813006002AASCREW ST 3 x 6 mm PB
522004XXX00AKBATTERY DOOR
PRICE
RANK
NEW
MARK
PART
RANK
QT-MP3W
DESCRIPTION
BATTER SPRING (+/-)
10
QT-MP3W
NO.PARTS CODE
PRICE
RANK
[12] ACCESSORIES/PACKING PARTS
92L67627527540AGPOLY BAG PE 27.5X27.5"x0.04
92L874QUH41210AMPULP
92L91TMP312010PACKING CASE
!
!
92L15123023002ASAC POWER SUPPLY CORD ( Except Australia )
92L15124023002AC POWER SUPPLY CORD ( For Australia Only)
92L15911022019ADAPTOR PLUG ( for SMEF only)
92L601TMP30010INSTRUCTION MANUAL ( English )
92L601TMP30020INSTRUCTION MANUAL ( Arabic ) ( For SMEF Only)
92L601TMP30030INSTRUCTION MANUAL ( Thai ) (For Thailand Only)