15.3. Mechanical Replacement Part List ------------------53
15.4. Electrical Replacement Parts List--------------------55
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Page 3
1Safety Precautions
1.1.General Guidelines
1. IMPORTANT SAFETY NOTICE
There are special components used in this equipment which a re important for safety. These parts are marked by in the
Schematic Diagrams, Circuit Board Layout, Exploded Views and Replacement Parts List. It is essential that these critical parts
should be replaced with manufacturer’s specified parts to prevent X-RADIATION, shock, fire, or other hazards. Do not modify
the original design without permission of manufacturer.
2. An Isolation Transformer should always be used during the servicing of AC Adaptor whose chassis is not isolated from the AC
power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal
injury from electrical shocks. It will also protect AC Adaptor from being damaged by accidental shorting that may occur during
servicing.
3. Wh en servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
4. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
5. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.
1.1.1.Leakage Current Cold Check
1. Unplug the AC cord and connect a jumper between the two prongs on the plug.
2. Measure the resistance value, with an o hmmeter, between the jumpered AC plug and each exposed metallic cabinet part on
the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to th e
chassis, the reading should be between 1MΩ and 5.2MΩ.
When the exposed metal does not have a return path to the chassis, the reading must be
1.1.2.Leakage Current Hot Check
1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a 1.5kΩ, 10 watts resistor, in parallel with a 0.15μF capacitors, between each exposed metallic part on the set and a
good earth ground such as a water pipe, as shown in Figure 1-1.
3. Use an AC voltmeter, with 1000 ohms/volt or more sensitivity, to measure the potential across the resistor.
4. Check each exposed metallic part, and measure the voltage at each point.
5. Reverse the AC plug in the AC outlet and repeat each of the above measurements.
6. Th e potential at any point should not exceed 0.75 volts RMS. A leakage current tester (Simpson Model 229 or equivalent)
may be used to make the hot checks, leakage current must not exceed 1/2 milliamp. In case a measurement is outside of the
limits specified, there is a possibility of a shock hazard, and the equipment should be repaired and rechecked before it is
returned to the customer.
Figure 1-1
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Page 4
1.2.Before Repair and Adjustment
Disconnect AC power to discharge AC capacitor (in SMPS Module) as indicate below diagram through a 10 Ω, 10 W resistor to
ground.
Caution:
DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices.
After repairs are completed, restore power gradually using a variac to avoid overcurrent.
Current consumption at AC 120 V, 60 Hz in Power ON, FM Tuner at volume minimal mode should be ~ 350 mA (for PN).
Current consumption at AC 220~240 V, 50/60 Hz in Power ON, FM Tuner at volume minimal mode should be ~ 350 mA (for PR/
PS).
1.3.Protection Circuitry
The protection circuitry may have operated if either of the following conditions are noticed:
• No sound is heard when the power is turned on.
• Sound stops during a performance.
The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are
“shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.
If this occurs, follow the procedure outlines below:
1. Turn off the power.
2. Determine the cause of the problem and correct it.
3. Turn on the power once again after one minute.
Note:
When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.
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Page 5
1.4.Safety Parts Information
Safety Parts List:
There are special components used in this equipment which are important for safety.
These parts are marked by in the Schematic Diagrams, Exploded View & Replacement Parts List. It is essential that these
critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the
original design without permission of manufacturer.
Safety Ref No.Part No.Part Name & DescriptionRemarks
7TKFA22101TOP CABINET
10TKFE35001REAR CABINETPN
11TBMK4271NAME PLATEPS
11TBMK4271ANAME PLATEPR
301TXQ0011TRAVERSE ASS'Y(E.S.D)
A2K2CA2YY00039 AC CORDPR
A2K2CB2CB00022 AC CORDPN
A2K2CQ2YY00119 AC CORDPS
A3TQBJ0967O/I (En/Sp)
PCB4N0AE1GN00002 SMPS MODULEPN
PCB4N0AE1GN00003 SMPS MODULEPS,PR
5
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2Warning
2.1.Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensi-
tive (ES) Devices
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices.
The following techniques should be used to help reduce the incidence of component damag e caused by electrostatic discharge
(ESD).
1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your
body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap,
which should be removed for potential shock reasons prior to applying power to the unit under test.
2. After removing an electrical assembly equipped with ES devices, p lace the assembly on a cond ucti ve surface su ch as a luminum foil, to prevent electrostatic charge buildup or exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.
4. Use only an anti-static solder removal device. Some solder removal devices not classified as “anti-static (ESD protected)” can
generate electrical charge sufficient to damage ES devices.
5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.
6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most
replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material).
7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material
to the chassis or circuit assembly into which the device will be installed.
CAUTION:
Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.
8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the
brushing together of your clothes fabric or the lif ting of your foot from a carpeted floor can generate static electricity (ESD) sufficient to damage an ES device).
2.2.Precaution of Laser Diode
Caution:
This product utilizes a laser diode with the unit turned “on”, invisible laser radiation is emitted from the pickup lens.
Wavelength: 790 nm (CD)
Maximum output radiation power from pick up : 10 0 μW/VDE
Laser radiation from the pickup unit is safety level, but be sure the followings:
1. Do not disassemble the pickup unit, since radiation from exposed laser diode is dangerous.
2. Do not adjust the variable resistor on the pickup unit. It was already adjusted.
3. Do not look at the focus lens using optical instruments.
4. Recommend not to look at pickup lens for a long time.
6
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Figure 2-1
2.3.General description about Lead Free Solder (PbF)
The lead free solder has been used in the mounting proce ss of a ll electrical components on the printed circuit board s used for this
equipment in considering the globally environmental conservation.
The normal solder is the alloy of tin (Sn) and lead (Pb). On the other hand, the lead free solder is the alloy ma inly consists of tin
(Sn), silver (Ag) and Copper (Cu), and the melting point of the lead free solder is higher approx.30 degrees C (86°F) more than that
of the normal solder.
Definition of PCB Lead Free Solder being used
The letter of “PbF” is printed either foil side or components side on the PCB using the lead free solder.
(See right figure)
Service caution for repair work using Lead Free Solder (PbF)
• The lead free solder has to be used when repairing the equipment for which the lead free solder is used.
(Definition: The letter of “PbF” is printed on the PCB using the lead free solder.)
• To put lead free solder, it should be well molten and mixed with the original lead free solder.
• Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC.
• Since the melting point of the lead free solder is higher than that of th e normal lead solder, it takes the longer time to melt the
lead free solder.
• Use the soldering iron (more than 70W) equipped with the temperature con trol after setting the temperatu re at 350±30 degrees
C (662±86°F).
Recommended Lead Free Solder (Service Parts Route.)
• The following 3 types of lead free solder are available through the service parts route.
RFKZ03D01K-----------(0.3mm 100g Reel)
RFKZ06D01K-----------(0.6mm 100g Reel)
RFKZ10D01K-----------(1.0mm 100g Reel)
Note
* Ingredient: tin (Sn), 96.5%, silver (Ag) 3.0%, Copper (Cu) 0.5%, Cobalt (Co) / Germanium (Ge) 0.1 to 0.3%
2.4.Handling Precautions for Traverse Unit
The laser diode in the optical pickup unit may break down due to static electricity of clothes or human b ody. Special care must be
taken avoid caution to electrostatic breakdown when servicing and handling the laser diode in the traverse unit.
2.4.1.Cautions to Be Taken in Handling the Optical Pickup Unit
The laser diode in the optical pickup un it may be damaged due to electrostatic discharge generating from clothes or human body.
Special care must be taken avoid caution to electrostatic discharge damage when servicing the laser diode.
1. Do not give a considerable shock to the optical pickup unit as it has an extremely high-precise structure.
2. To prevent the laser diode from the electrostatic discharge damage, the flexible cable of the optical pickup unit removed
should be short-circuited with a short pin or a clip.
3. The flexible cable may be cut off if an excessive force is applied to it. Use caution when handling the flexible cable.
4. The antistatic FFC is connected to the new optical pickup unit. After replacing the optical pickup unit and connecting the flexi-
7
Page 8
ble cable, cut off the antistatic FFC.
Figure 2-2
2.5.Grounding for electrostatic breakdown prevention
• As for parts that use optical pick-up (laser diode), the optical pick-up is destroyed by the static electricity of the working environment.
Repair in the working environment that is grounded.
2.5.1.Worktable grounding
• Put a conductive material (sheet) or iron sheet on the area where the optical pickup is placed and ground the sheet.
2.5.2.Human body grounding
• Use the anti-static wrist strap to discharge the static electricity form your body (Figure 2-3).
Figure 2-3
8
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3Service Navigation
3.1.Service Information
This service manual contains technical information which will allow service personnel’s to understand and service this model.
Please place orders using the parts list and not the drawing reference numbers.
If the circuit is changed or modified, this information wil l be fol lowed by supplemen t service manual to be filed with original se rvice
manual.
Q Disc section
Discs played (8 cm or 12 cm)CD, CD-R/RW (CD-DA, MP3*)
* MPEG-1 Layer 3
Pick up
Wavelength790 nm (CD)
Power Consumption in standby
mode (approximate)
Power Consumption in standby
mode (approximate)
(With "BLUETOOTH STANDBY" set
to "ON")
Note:
1. Specifications are subject to change without notice.
Mass and dimension are appropriate
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
Q System: SC-AKX100PN
Main Unit: SA-AKX100PN
Speakers: SB-AKX100PN
Q System: SC-AKX100PR
Main Unit: SA-AKX100PR
Speakers: SB-AKX100PN
Q System: SC-AKX100PS
Main Unit: SA-AKX100PS
Speakers: SB-AKX100PN
0.5 W
0.6 W
Q USB section
USB Port
USB standardUSB 2.0 full speed
Media file format support MP3 (*.mp3)
USB device file systemFAT12, FAT16, FAT32
USB recording
Bit rate128 kbps
USB recording speed1x, 3x (CD only)
Recording file formatMP3 (*.mp3)
®
Q Bluetooth
Version
ClassClass 2
Supported profilesA2DP, AVRCP, SPP, FTP
Operating frequency2.4 GHz band, FH-SS
Operating distance10 m line of sight
Q General
Power supplyAC 120 V, 60 Hz (for PN)
Power consumption49 W
section
®
Bluetooth
AC 220 to 240 V, 50/60 Hz
Ver.2.1 + EDR
(for PR/PS)
Dimensions (W x H x D)250 mm x 132 mm x 227 mm
Mass1.7 kg
Operating temperature range0 °C to +40 °C
Operating humidity range35% to 80% RH
(no condensation)
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5Location of Controls and Components
5.1.Remote Control Key Button Operation
11
Page 12
5.2.Main Unit Key Button Operation
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6Service Mode
FL Display
Key Operation
Front Key
Item
DescriptionMode Name
Cold Start
To carry out cold-start or initialize
to shipping mode
1. Unplug AC power cord.
2. Press & hold [POWER]
button.
3. Plug in AC power cord
while [POWER] button
being pressed.
4. Release [POWER] button.
Entering into
Sales
Demonstration
Lock Mode
To enter into the sales
demonstration lock mode.
1. Turn on the unit.
2. Select to any mode
function.
3. Press and hold
[;OPEN/CLOSE] and
[USB/CD] keys for 5 sec or
more.
The display will show upon
entering into this mode for
2 sec.
Note: [;OPEN/CLOSE]
button is invalid and the main
unit displays "LOCK" while
the lock function mode is
entered.
Cancellation of
Sales
Demonstration
Lock Mode
To cancel the sales
demonstration lock mode.
1. Turn on the unit.
2. Select to CD mode function.
3. Set volume to Vol 19.
4. Press and hold
[;OPEN/CLOSE] and
[USB/CD] keys for 5 sec or
more.
The display will show upon
entering into this mode for
2 sec.
FL Display
Key Operation
Front Key
Item
DescriptionMode Name
Remote control with numeric button (Example: N2QA YB001019 (AKX220))
6.1.Cold-Start
6.2.Sales Demonstration Lock Function
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Page 14
6.3.Doctor Mode Table
FL Display
Key Operation
Front Key
Item
DescriptionMode Name
Doctor Mode
EEPROM
checksum
check
:edoMDCnIedoMrotcoDotniretneoT
1. Press [ ] button on
main unit follow by [4]
and [7] on remote control.
In CD mode:
1. Enter into Doctor Mode
2. To exit, press [DELETE]
button on remote control or,
press [POWER, /I] button
on Main Unit
Displaying of
1. Year Develop.
2. Model Type.
3. ROM Type.
4. Firmware Version.
(Display 1)
Cold Start
To active cold start upon next AC
power up when reset start is
execute the next time.
In Doctor Mode:
1. Press [4] button on the
remote control.
(Decimal)
1 2 34
Version No. (001 ~ 999) specific for each
firmware
6.3.1.Doctor Mode Table 1
14
Page 15
6.3.2.Doctor Mode Table 2
FL Display
Key Operation
Front Key
Item
DescriptionMode Name
Volume Setting
Check
FL Display Check
To check the volume setting of the
main unit.
To check the FL segment display.
All segments will light up while all LED
blink at 0.5s intervals.
In Doctor Mode:
1. Press [7], [8], [9] button on
the remote control.
In Doctor mode:
1. Press [1] button on the
remote control.
2. To cancel this mode, press
[0] button on the remote
control.
Press [7]: VOL50
Press [8]: VOL35
Press [9]: VOL0
Volume
In this mode, the tray will open & close
automatically.
Cancellation Display
Loading TestTo determine the open & close
operation of the CD Mechanism Unit.
The counter will
increment by one.
When reach 99999999
will change to 00000000
Cancellation Display
Traverse TestTo determine the traverse unit
operation for inner & outer access track.
The counter will
increment by one.
When reach 99999999
will change to 00000000
The counter will
increment by one.
When reach 99999999
will change to 00000000
Cancellation Display
Reliability Test
(Combination)
In this mode, ensure the CD is in the
main unit.
To determine the traverse unit
operation & open/close operation of the
mechanism.
In this mode, ensure the CD is in the
main unit.
In Doctor Mode:
1. Press [10] [2] [1] button
on the remote control.
In Doctor Mode:
2. To cancel this mode, press
[0] button on the remote
control.
2. To cancel this mode, press
[0] button on the remote
control.
2. To cancel this mode, press
[0] button on the remote
control.
1. Press [10] [1] [2] button
on the remote control.
In Doctor Mode:
1. Press [10] [1] [5] button
on the remote control.
2. To cancel this mode, press
[0] button on the remote
control.
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Page 16
6.4.Self-Diagnostic Mode
FL Display
Key Operation
Front Key
Item
DescriptionMode Name
Self Diagnostic
Mode
To enter into self diagnostic checkingStep 1: Select CD mode
(Ensure no disc is inserted).
To exit, press [8] on main unit or
remote control.
Step 2: Press & hold [g] button
follow by [y/i] on
main unit for 2 seconds.
Error Code
Information
System will perform a check on
any unusual/error code from the
memory
Example:Step 1: In self diagnostic mode,
Press [g] on main unit.
To exit, press [8] on main unit or
remote control.
Delete error code To clear the stored in memory
(EEPROM IC)
Step 1: In self diagnostic mode,
Press [0] on remote control.
Solution
(PCB exchange repair)
FL Display
Key Operation
Front Key
Item
DescriptionMode Name
Error Code F61 Diagnosis Contents:
Power Amp IC output
abnormal.
Upon power on,
PCONT=HIGH,
DC_DET_AMP after
checking LSI.
Error Code F76 Diagnosis Contents:
Power Amp IC output
abnormal.
DC_DET_PWR.
Error Code
F61-76
Diagnosis Contents:
Power Amp IC output
abnormal.
Both DCDET (NG).
Press [ ] on main unit
for next error.
Press [ ] on main unit
for next error.
Press [ ] on main unit
for next error.
Check main (IC6000).
Check SMPS P.C.B.
(Main Q1011 / IC1000).
DAMP and power
supply abnormal.
6.5.Self-Diagnostic Error Code Table
Self-Diagnostic Function provides information on any problems occurring for the un it and its respective components by displaying
the error codes. These error code such as U**, H** and F** are stored in memory and held unless it is cleared.
The error code is automatically display after entering into self-diagnostic mode.
6.5.1.Power Supply Error Code Table
16
Page 17
6.5.2.CD Mechanism Error Code Table
Solution
(PCB exchange repair)
FL Display
Key Operation
Front Key
Item
DescriptionMode Name
Error Code
CD H15
Diagnosis Contents:
CD Open Abnormal
.
During operation
POS_SW_R On fail to be
detected within 4 sec.
Error No. shall be clear
by force or during cold start.
Error Code
CD H16
Diagnosis Contents:
CD Closing Abnormal
.
During operation
POS_SW_CEN
On fail to be
detected within
Error No. shall be clear by
force
Press [ ] on main unit
for next error.
Press [ ] on main unit
for next error.
4 sec.
Check following:
1. CD Interface P.C.B.
(Pin 3, 4, 6)
2. SOC IC (IC2001)
Check following:
1. CD Interface P.C.B.
(Pin 6, 3, 4)
2. SOC IC (IC2001)
Solution
(PCB exchange repair)
FL Display
Key Operation
Front Key
Item
DescriptionMode Name
Error Code
F703
Diagnosis Contents:
Bluetooth Communication.
Communication between
Bluetooth module and
micro-p abnormal.
Error Code F77 Diagnosis Contents:
Bluetooth Address Error
If there is no valid Bluetooth
address stored in the
EEPROM IC.
Press [ ] on main unit
for next error.
Press [ ] on main unit
for next error.
Check following:
1. Bluetooth P.C.B.
2. SOC IC on Main
P.C.B.
Check following:
1. EEPROM IC
(IC2002) on Main
P.C.B.
6.5.3.Bluetooth Error Code Table
17
Page 18
7Troubleshooting Guide
Press Power Button
of Unit or Remote
Control
to Turn ON the Unit
No Display on
FL Display
(DP6801)
1. AC Cord Plug-out
2. Check Fuse(F1) = 0 ohm
[ refer to check point - ]
Change SMPS
Module
Check Primary E-Cap (C1)
Measured 300V or more
[refer to check point - ]
11
2 2
Change SMPS
Module
Check Secondary Cap. (C5)
or Secondary Rect. Diode (D2)
Measured 14V (Off) or 33V(On)
[refer to check point - ]
3 3
Change SMPS
Module
Check DC-DC Regulator
IC1002 Measured
7V (Off) or 12V(On) at C1052
[refer to check point ]
4
Change IC1002
Check Regulator IC
(IC1005)
Measured 3.3V at Pin 2
[refer to check point ]
5
Change IC1005
Check Connector (CN2501)
Measured 5/3.3/12/V
at Pin 1-3
[refer to check point ]
7
Check Main PCB
Check Regulator IC
(IC1004)
Measured 1.6V at Pin 3
[refer to check point ]
6
Change IC1004
If No Display on
FL Display (DP6801)
Check Panel PCB
OKOK
OKOKOKOKOK
NG
NGNG
NG
NG
GNGN
NG
Press Power Button
of Unit or Remote
Control
to Turn ON the Unit
Press [PAIRING] on the Set
or Remote Control
Display "BLUETOOTH"
Check IC2001
NG
"PAIRING" will display and
blinking while handphone or
other devices are connecting
to the Set
Do Cold Start and AC Plug Out .
Press and hold Power Button then
AC Plug-IN, wait to display "-------"
then will OFF the Set
,
back to start.
NG
1) Check IC2001 on Main PCB
2) Check Bluetooth Module
(IC7000)
NG
option 1
option 2
The set will displayed
the
"READY" followed
by "BLUETOOTH"
No Problem
Found
OKKOKO
Press Power Button
or CD Door Open of Unit
to Turn ON the Unit
If Cannot
Power ON
(No Display)
Check Main PCB
OK
NG
Use Remote Control
to Turn ON the Set
FL Display
Show "HELLO"
OK
Press Power Buttons
or Other Buttons
Check FFC between Main
and Panel PCB
NG
OK
All Buttons
are Working
Check Panel PCB
NG
OK
No Problem
Found
7.1.No Power or No Display
®
7.2.Bluetooth
Pairing Failure
7.3.No Key Function
18
Page 19
7.4.No Remote Control Function
8
Press Power Button
of Unit or Remote
Control
to Turn ON the Unit
Change Pin 97 & Pin 98
at IC2001 on
Main PCB
NG
Plug-in USB Device to USB port
FL Display "USB"
NG
Change IC2501
NG
Press Play
FL Display
"Music Name or Title"
No Problem
Found
OKKOKO
Press [USB/CD] on the Set or
Remote Control to
Select USB, Display
" USB" and "NO DEVICE"
USB_5V at IC2501 pin #1
[refer to check point ]
Noted: DAB+/FM mode
(For UX102 only)
Press Power Button
of Unit or Remote
Control
to Turn ON the Unit
Check IC2001
Output I2S
Pin81-83
NG
Press Play
FL Display " Track & Count"
NG
Output Sound
No Problem
Found
OK
OKOK
Select
CD Mode
Check CD Mechanism
Press Power Button
of Unit or Remote
Control
to Turn ON the Unit
Check Pin 97 and
Pin 98
at IC2001
NG
Insert USB Thumdrive
FL Display "USB"
Press "Play"
NG
Output Sound
No Problem
Found
OK
KOKO
Select
USB Mode
Change USB Thumdrive
Press Power Button
of Unit or Remote
Control
to Turn ON the Unit
Check IC2001
(Pin 101-103,
105-108)
NG
Press Play
FL Display "BLUETOOTH "
NG
Output Sound
No Problem
Found
OK
OKOK
Select Bluetooth
Mode
Re-connect Bluetooth
into the Device
Press the Power Button
of Unit or Remote
Control
to Turn ON the Unit
Check IC2001
(Pin 110-112,
Pin 73, 74)
NG
Search for Tuner Signal
NG
Output Sound
No Problem
Found
OK
OKOK
Select
FM Mode
Check the Antenna
Wire Connection
NG
Change IC2001
OK
Check IC6500
PWM output
Pin27-30
NG
Check Pin 35, 40
at IC6500
Check IC1002
NG
Check SMPS
Module
NG
OK
Check IC6000
Speaker output
Pin27/32/35/39
NG
Check +12V
at Pin 1, 12
at IC6000
Change IC6000
Check +32V
at Pin 29, 36
at IC6000
OK
OK
OK
OK
OK
Check Pin 41, 42
at IC6500
Change X6500
NG
OK
Check
IC1005
NG
Check
IC2001
OK
CD Play
USB Play
Tuner Mode
Bluetooth Play
Press Remote Control
Power Button
to Power ON the unit
If Cannot
Power ON
(No Display)
Press the Power Button
of the Unit
to Turn ON the Set
NG
Check Regulator IC
(IC1005)
Measured 3.3V at Pin 2
[refer to check point ]
4
NG
Change IC1005
7.5.USB Device Cannot Detect
OK
FL Display
Show "HELLO"
OK
Press Remote
Control Buttons
NG
Check Panel PCB
OK
All Remote Control
Buttons are Working
OK
No Problem
Found
7.6.No Output Sound
19
Page 20
7.7.Check Point
Power PCB
Fuse (F1)
(0 ohm)
1
1
2
2
Pri. Cap (C1)
(300V or more)
3
3
Sec. Cap. C5
(14V or 33V)
Main PCB
IC1004_Pin3
1.6V
C1052
7V/12V
4
IC2501
Pin #1
5V
IC1004_Pin 3
1.6V
8
IC1005_Pin 2
3.3V
5
CN2501_Pin1-3
5V/3.3/12V
7
20
Page 21
8Disassembly and Assembly Instructions
Caution Note:
• This section describes the disassembly and/or assembly procedures for all major printed circuit boards & main components for the unit. (You ma y refer to the section of “Main components and P.C.B Locations” as described in the service
manual)
• Before carrying out the disassembly process, please ensure all the safety precautions & procedures are followed.
• During the disassembly and/or assembly process, please handle with care as there may be chassis components with
sharp edges.
• Avoid touching heatsinks due to its high temperature after prolong use. (See caution as described below)
• During disassembly and assembly, please ensure proper service tools, equipments o r jigs is being used.
• During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the service manual.
• Select items from the following indexes when disassembly or replacement are required.
• Disassembly of Top Cabinet
• Disassembly of Front Panel Unit
• Disassembly of Panel P.C.B.
• Disassembly of Main P.C.B.
• Disassembly of SMPS Module
• Disassembly of Rear Cabinet
• Disassembly of CD Mechanism Unit
• Disassembly of CD Interface P.C.B.
8.1.Types of Screws
21
Page 22
8.2.Disassembly Flow Chart
Top Cabinet
Front Panel Unit
Panel P.C.B.
Main P.C.B.
Rear Cabinet
CD Mechanism
Unit
CD Interface
P.C.B.
8.3.Main Components and P.C.B. Locations
SMPS Module
22
Page 23
8.4.Disassembly of Top Cabinet
Step 1 Remove 2 screws.
Step 2 Remove 2 screws.
Step 5 Lift up to remove Top Cabinet.
8.5.Disassembly of Front Panel
Unit
• Refer to “Disassembly of Top Cabinet”.
Step 1 Detach 17P FFC at connector (CN2501) on Main
P.C.B..
Step 3 Remove 2 screws.
Step 4 Slightly release both sides of Top Cabinet as arrow
shown.
23
Page 24
Step 2 Release tabs at bottom of unit.
8.6.Disassembly of Panel P.C.B.
• Refer to “Disassembly of Top Cabinet”.
• Refer to “Disassembly of Front Panel Unit”.
Step 1 Remove Volume Knob.
Step 3 Remove Front Panel Unit.
Step 2 Remove 5 screws.
Step 3 Release catches.
Step 4 Lift up to remove Panel P.C.B..
24
Page 25
8.7.Disassembly of Main P.C.B.
• Refer to “Disassembly of Top Cabinet”.
• Refer to “Disassembly of Front Panel Unit”.
Step 1 Remove 4 screws.
Step 2 Detach 9P Wire at connector (CON2) on SMPS Module.
Step 3 Detach 10P FFC at connector (P2004) on Main P.C.B..
Step 4 Detach 24P FFC at connector (P2005) on Main P.C.B..
Step 5 Remove 2 screws.
Step 6 Remove Main P.C.B..
Step 1 Detach 10P FFC at connector (P2004) on Main P.C.B..
Step 2 Detach 24P FFC at connector (P2005) on Main P.C.B..
Step 4 Lift up Rear Cabinet, Main P.C.B. and Inner Chassis as
diagram shown.
Step 5 Remove 2 screws.
Step 6 Remove CD Mechanism Unit.
Step 3 Release tabs.
27
Page 28
8.11.Disassembly of CD Interface
P.C.B.
• Refer to “Disassembly of Top Cabinet”.
• Refer to “Disassembly of Front Panel Unit”.
• Refer to “Disassembly of SMPS Module”.
• Refer to “Disassembly of CD Mechanism Unit”.
Step 1 Remove 2 screws.
Step 2 Desolder pins of the motor (M7301).
Step 3 Desolder pins of the motor (M7302).
Step 4 Remove CD Interface P.C.B..
28
Page 29
9Service Position
Note: Refer to Section 8 for disassembly instruction for the
related parts.
9.1.Checking of Panel P.C.B. and
Main P.C.B.
Step 1 Remove Top Cabinet.
Step 2 Remove Front Panel Unit.
Step 3 Remove Panel P.C.B..
Step 4 Place Panel P.C.B. on the insulated material as shown.
Step 5 Attach 17P FFC at connector (CN2501) on Main P.C.B..
Step 6 Panel P.C.B. and Main P.C.B. can be chec ked as dia-
gram shown.
29
Page 30
30
Page 31
10 Block Diagram
+
+
CD TRACKING SIGNAL
FREQUENCY
: CD SIGNAL LINE
: USB SIGNAL LINE
SOC
IC2001
FROM/TO POWER SUPPLY
FROM AUDIO
MAIN P.C.B.
+5V
15V
USB PORT
(REC/PLAY)
JK6400
2D-
3D+
65SCL
SDA
VOL_JOG
RMT
VOLUME
VR9000
PANEL P.C.B.
VOL_JOG 36
KEY_INT 32
KEY1 39
KEY2 38
FL_CS 21
FL_CLK 23
FL_DAT 24
LED_BLUE 25
REM_IN
13
CN2501
VOL_JOG
5
CN6001
HOST_WAKE
9
CN2501
RMT
9
CN6001
SMPS_ID
USB_OVC
USB_PCONT
95
PROTECT
4
DC_DET_PWR
6
PCONT
2
BT_PCONT
SMPS ID
SMPS ID
DC DET AMP FAN
DC_DET_AMP_FAN
DC DET AMP FAN
USB OVC
USB OVC
USB PCONT
USB PCONT
PROTECT
PROTECT
MV-DET
40
41
15
94
MV DET
MV DET
PCONT
PCONT
BT PCONT
BT PCONT
AC50
BD51
E54
F55
MD56
LDO57
TRDRV62
SPDRV64
TRVDRV63
28
27
INNER_SW
29
31
30
LD_CCW
LD-CW
USB_D+
USB_D-9897
I2C_SDA 76
I2C_SCL 75
FODRV61
56
CN7002 P2004
83
CN7002 P2004
SPM-
92
CN7002 P2004
SPM+
101
CN7002 P2004
TRV+
110
CN7002 P2004
TRV-
29
CN7002 P2004
LDM+
38
CN7002 P2004
LDM-
LDM+
LDM-
47
CN7002 P2004
SPINDLE MOTOR
M7302*
TRAVERSE MOTOR
M7301*
CD INTERFACE P.C.B.
+3.3V
Q2001
LASER DRIVE
+3.3V
Q2002
SWITCH
23VINLD
5CH MOTOR DRIVER
IC2004
VOLD+17
VOLD-18
VOSL+11
VOSL-12
VOFC+14
VOFC-13
VOTK-16
VOTK+
F+
F-
T-
T+
CD-LD
MD/LPD
15
VOTR+10
VOTR-9
26VINTK
7REV
6FWD
23
P2005
24
P2005
21
P2005
22
P2005
6
P2005
5
P2005
OPEN_SW
3
CN7001
CLOSE_SW
1
CN7001
1VINFC
16
P2005
15
P2005
20
P2005
19
P2005
10
P2005
14
P2005
4VINSL+
OPTICAL
PICKUP UNIT
CD
LOADING P.C.B.
CLOSE_SW
OPEN_SW
CLOSE_SW
OPEN_SW
74
CN7002 P2004
RESET_SW
CLOSE_SW
OPEN_SW
RESET_SW
5
CN7001
LDM+
4
CN7001
LDM-
SPM-
SPM+
TRV+
TRV-
CD MECHANISM UNIT
RESET
S7201
BT_UART_RX
106
101
102
103
105
BT_UART_TX
BT_UART_RTS
BT_WAKE
BLUETOOTH
DEVICE
DC DET PWR
DC DET PWR
SA-AKX100PN/PR/PS SYSTEM CONTROL BLOCK DIAGRAM
NOTE: “ * ” REF IS FOR INDICATION ONLY
120
10
CN2501
FL_CLKFL_CLK
8
CN6001
12
CN2501
FL_DATAFL_DATA
6
CN6001
6
CN250112CN6001
11
CN2501
FL_CSFL_CS
7
CN6001
+5V
+3.3V
LED_BLUELED_BLUE
OPEN/CLOSE
S6201
STOP
S6202
PLAY/PAUSE
S6222
RWD
S6220
POWER
S6200
108
CN6001CN2501
117
CN6001CN2501
KEY2
BT-PAIRING
S6212
USB/CD
S6215
RADIO/AUX
S6216
JUKE BOX
S6211
FWD
S6221
FL DISPLAY
DP6801
Q6801,Q6802,
Q6803,Q6804,
D6801,D6802
VOLTAGE
DETECTOR
EEPROM
IC2002
42VOUTVIN
NRST 1
IC2005
BLUETOOTH
MODULE
IC7000
FL DISPLAY
CIRCUIT
+12V
+5V
+3.3V
KEY1
QR6005
LED DRIVE
+3.3V
REMOTE SENSOR
IR6500
BLUE
D6014
16M
FLASH MEMORY
IC2003
FLASH_CS
FLASH_DAT1
1CS#
2DO(DQ1)
WP#(DQ2)
DI(DQ0)
CLK
HOLD#(DQ3)
HOST_WAKEUP
UART_TX
UART_RX
BT_CTS
LDO_ON
88
FLASH_DAT2683
FLASH_DAT0195
FLASH_CLK096
FLASH_DAT3987
11
2
4
15
13
87
X2001
XIN 16.9344M
127
XOUT 16.9344M
128
X2002
XIN 32.768K
124
XOUT 32.768K
125
107
10.1.System Control
31
Page 32
10.2.Audio
SA-AKX100PN/PR/PS AUDIO BLOCK DIAGRAM
AUX IN
-
+
-
+
-
+
-
+
42 XO
41 XI
X6500
: CD SIGNAL LINE
: TUNER/AUX SIGNAL LINE
: AUDIO SIGNAL LINE
: FM SIGNAL LINE
7
8
5
SOC
IC2001
DSP
IC6500
POWER AMPLIFIER
IC6000
74
73
JK6002
2
1
4
3
FM ANT
JK51
FM RADIO RECEIVER
IC52
2 FMI
SCLK
DFS
13
18
14
17DCLK
SDIO
RST
GCGPO2
DOUT
83I2S_WCK
82I2S_BCK
81I2S_SDO0
RST_NDSP_RESET
LEFT
TWEETER
4
JK6000
3
JK6000
LEFT
WOOFER
RIGHT
TWEETER
2
JK6000
1
JK6000
RIGHT
WOOFER
SPEAKERS
Q6001,Q6002,
Q6007,Q6300
DC DETECT
CIRCUIT
DC DET AMP FAN
TO SYSTEM CONTROL
SB-AKX100
117
DSP_MUTE
116
TUN_SDO
112
TUN_WCK
TUN_RST
TUN_INT
7
5
SCL
4
SDA
SDIN2
110
TUN_BCK
DSP_SCL
DSP_SDA
111
118
119
LIN15
RIN16
2
SMUTE
3
LRCK
9
BCK
10
28PWM1A
INPUT_A
5
27PWM1B
44BST_A
40OUT_A
27OUT_D
39OUT_A
32OUT_C
24BST_C
28OUT_D
16/FAULT
17/OTW
23BST_D
43BST_B
35OUT_B
INPUT_B
6
30PWM2A
INPUT_C
14
29PWM2B
INPUT_D
15
24VALID
/RESET
4
SDIN1
8
32
Page 33
10.3.Power Supply
SA-AKX100PN/PR/PS POWER SUPPLY BLOCK DIAGRAM
+5V
+1.5V
+6V
+5V
+3.3V
PCONT
USB PCONT
USB OVC
DC DET PWR
PCONT
USB PCONT
USB OVC
DC DET PWR
FROM/TO
SYSTEM
CONTROL
MV DET
PROTECT
BT PCONT
SMPS ID
MV DET
PROTECT
BT PCONT
SMPS ID
FROM/TO
SYSTEM
CONTROL
PW +12V
IC1002
+12V DC-DC
CONVERTER
2
51
7
PH
BOOT
VSENSE
VIN
RT/CLK
10
153
CN6001CN2501
PW_12V
162
CN6001CN2501
PW_3R3V
171
CN6001CN2501
PW_+5V
144
CN6001CN2501
PW_SYS3R3V
PW_12V
PW_3R3V
PW_+5V
PW_SYS3R3V
PW +6VPW +12V
PW +12VPW BT 5V
IC1001
+6V DC-DC
CONVERTER
2
7
1
5
SW
BOOT
FB
VIN
EN
3
IC2501
USB SWITCH
IC1000
+3.3V VOLTAGE
REGULATOR
5
3
4
VOUTVIN
+5V
PW 6V
+32V
PW 32V
+12V
PW 12V
/OC
EN
PW +5V
PW 3R3VPW 6V
PW SYS3R3VPW BT 5V
USB OVC
USB PCONT
1
IC7001
+5V VOLTAGE
REGULATOR
4
1
VOUTVDD
+5V
CE
PW BT 5V
BT PCONT
3
IC1004
+1.5V VOLTAGE
REGULATOR
4
1
VOVIN
PW SOC 1R5V
CN
PW SYS3R3V
3
1
CN1002
32.5V32.5V
5
CN1002
2
CN1002
32.5V
PCONT
8
CN1002
32.5V
7
CN1002
SMPS_ID
9
CN1002
MV-DET
PCONT
PROTECT_D
SMPS_ID
MV-DET
PROTECT_D
D1001
D1002
D1014
D1013
D1003
D1005
D1004
SMPS
MODULE
PANEL P.C.B.
MAIN P.C.B.
QR1004
PCONT
Q1011
SWITCH
Q1000
+5V
REGULATOR
QR1003
PCONT
Q1008,QR1008
DC
DETECT
+12V
+3.3V
+5V
+3.3V
32VINVOUT
+3.3V
IC1005
+3.3V VOLTAGE
REGULATOR
32VINVOUT
33
Page 34
11 Wiring Connection Diagram
SA-AKX100PN/PR/PS WIRING CONNECTION DIAGRAM
17P
9P
10P
10P
CN7002
24P
P2005
TO OPTICAL PICKUP UNIT
(CD MECHANISM UNIT)
P2004
CN1002
17P
CN2501
CN6001
TO SMPS MODULE
C
MAIN P.C.B.
A
PANEL P.C.B.
B
CD INTERFACE P.C.B.
34
Page 35
12 Schematic Diagram
12.1.Schematic Diagram Notes
• This schematic diagram may be modified at any time
• Important safety notice:
Components identified by mark have special characteris-
tics important for safety.
Furthermore, special parts which have purposes of fire-retardant (resistors), high quality sound (capacitors), low-noise
(resistors), etc are used.
When replacing any of components, be sure to use only
manufacturer’s specified parts shown in the parts list.
• Resistor
Unit of resistance is OHM [Ω] (K=1,000, M=1,000,000).
• Capacitor
Unit of capacitance is μF, unless otherwise noted. F=Farads,
pF=pico-Farad.
• Coil
Unit of inductance is H, unless otherwise noted.
• *
REF IS FOR INDICATION ONLY.
• Voltage and signal line
: +B signal line
: -B signal line
: CD signal line
: Tuner/AUX signal line
: Audio signal line
: USB signal line
: FM signal line
35
Page 36
36
Page 37
12.2.Main (Micon) Circuit (1/2)
A
1
234567891011121314
1234567891011121314
C
D
B
E
G
H
F
A
MAIN (MICON) CIRCUIT
SCHEMATIC DIAGRAM - 1
SA-AKX100PN/PR/PS MAIN (MICON) CIRCUIT
2/21/2
TO MAIN (MICON)
CIRCUIT (2/2)
: +B SIGNAL LINE
: TUNER/AUX SIGNAL LINE
: CD SIGNAL LINE
AU: MAIN (AUX TUNER): SCHEMATIC DIAGRAM - 3
DS: MAIN (DSP): SCHEMATIC DIAGRAM - 4
BT: MAIN (BLUETOOTH): SCHEMATIC DIAGRAM - 4
DA: MAIN (DAMP): SCHEMATIC DIAGRAM - 5
VR: MAIN (VOLTAGE REGULATOR): SCHEMATIC DIAGRAM - 6
P1
1
C
TO
CD INTERFACE
CIRCUIT (CN7002)
IN SCHEMATIC
DIAGRAM - 4
: USB SIGNAL LINE
TO OPTICAL PICKUP UNIT
(CD MECHANISM UNIT)
USB PORT (REC/PLAY)
1
10
J0JHC0000118
LB6401
J0JYC0000656
LB2021
R2155 0
10
C2164
C2165
0.1
C2179
0.01
LB6404
J0JHC0000118
DA2J10100L
D2002
USB_PCONT
R2422
10K
PW_SYS_3R3V
1K
R2170
LDO
LB2014
J0JBC0000134
T+
F+
T-
R2181
R2179
F-
R2180
LB2010
0
C2162
10
C2166
C2167
0.01
0.01
0.01
C2163
E
BD
AC
86
57
42
13
D1H81034A042
RX2003
VBIAS
F
R2167
4.7
Q2001
B1ADCF000001
LASER DRIVE
C2182
16V100
R2168
100K
6
7
5
9
13
15
14
11
10
12
21
22
18
16
17
20
19
8
1
3
4
2
24
23
P2005
C2181
16V100
4.7
R2169
MD
SPDRV
R2166 15K
J0JHC0000045
LB2013
0.1
C2172
C2178
1
SPM+
SPM-
R2177
R2176
SPM-T+SPM+
T-
C2180
16V100
FODRV
TRVDRV
LD-CW
LD-CCW
TRDRV
TRV+
TRV-
F-
F+
TRV-
LDM+
LDM-
TRV+
10
C2170
C2171
0.01
INNER_SW
CLOSE_SW
R2096
OPEN_SW
R2095
R2097
0
0
0
R2182
10K
PW_3R3V
PW_6V
VR
VRDADSAU
R2184
10K
R2183
10K
J0JHC0000045
LB2012
LDM+
LDM-
21
27
54
24 252217 191815 163020 21
711 101314 128 299
23
63
26 28
C0GBY0000213
5CH MOTOR DRIVE
IC2004
6
8
9
7
2
1
4
5
3
10
P2004
R2161 47K
R2164 100K
R2159 6.8K
R2178
0
0
0
0
0
0
PW_3R3V
1.2K
R2157
1000P
C2173
R2156
100
R2158
1K
R6402
470K
C2506
0.1
C2507
4.7
0.1
C6404
USB_D-
3
1
2
4
5
IC2501
C0DBZYY00716
2
5
G
1
4
6
G
3
JK6400
PW_5V
USB_D+
USB_OVC
DSP_SCL
TUN_BCK
TUN_WCK
TUN_SDO
TUN_RST
DSP_MUTE
R2312
DSP_RESET
DSP_MUTE
DSP_SCL
DSP_RESET
TUN_INT
TUN_BCK
TUN_WCK
TUN_SDO
TUN_RST
PW_SYS_3R3V
PROTECT
PW_32V
MV-DET
DC_DET_PWR
PW_5V
PW_5V
SMPS_ID
PCONT
R2319
DSP_SDA
PW_12V_FL
R2314
...PR/PS
...PN
0
0
0
I2S_BCK
I2S_BCK
I2S_WCK
PROTECT
PW_32V
MV-DET
SMPS_ID
I2S_WCK
PW_12V_FL
R2498
47K
PCONT
PW_SYS_3R3V
DC_DET_PWR
10K
R2010
DSP_SDA
I2S_SDO0
I2S_SDO0
DC_DET_AMP_FAN
DAMP_VALID
R2420
10K
DAMP_VALID
DC_DET_AMP_FAN
TUN_INT
PW_SYS_3R3V
R2419
10K
AU
AU
AU
AU
AU DS
DA DS
DA
DS
DS
DSDSAU
AU
DS
DS
DS
VR
VR
VR
VR DA
VR
VR
VR
VR
VR
VOTR+
VOSL+
VCC
FIN
VOTR-
VOFC+
VOSL-
VOFC-
REGO2
VINFC
TRB_1
REV
FWD
REGO1
LDM-
TRV+
LDM+
TRV-
SPM-
NC
NC
NC
D-
D+
5V
NC
NC
F
F-
T-
F+
D
C
RF
T+
A
B
E
NC
GND
EN
USB SWITCH
VIN
/OC
GND
VOUT
VREF
GND
SPM+
GND
FIN
VINLD
TRB_2 VINSL+
VOTK-
VOTK+
VOLD-
VCTL
PVCC
VOLD+
MUTE
BIAS
VINTK
DGND
OPEN_SW
PD GND
DVD-LD
CD-LD
VCC(5V)
CLOSE_SW
GND-LD
MD/LPD
CD/DVD SW
RESET_SW
37
Page 38
12.3.Main (Micon) Circuit (2/2)
1516171819202122232425262728
1516171819202122232425262728
A
C
D
B
E
G
H
F
A
MAIN (MICON) CIRCUIT
SCHEMATIC DIAGRAM - 2
SA-AKX100PN/PR/PS MAIN (MICON) CIRCUIT
2/21/2
TO MAIN (MICON)
CIRCUIT (1/2)
: +B SIGNAL LINE
: TUNER/AUX SIGNAL LINE
: USB SIGNAL LINE
: CD SIGNAL LINE
AU: MAIN (AUX TUNER): SCHEMATIC DIAGRAM - 3
DS: MAIN (DSP): SCHEMATIC DIAGRAM - 4
BT: MAIN (BLUETOOTH): SCHEMATIC DIAGRAM - 4
DA: MAIN (DAMP): SCHEMATIC DIAGRAM - 5
VR: MAIN (VOLTAGE REGULATOR): SCHEMATIC DIAGRAM - 6
P1
1
B
TO
PANEL
CIRCUIT (CN6001)
IN SCHEMATIC
DIAGRAM - 7
CD PLAY001.61.62 23.23.23.23.21.61.601.61.601.91.61.71.7
STANDBY101.61.
61.623.21.53.21.61.61.601.61.603.301.61.6
REF NO.
MODE6162636465666768697071727374757677787980
CD PLAY1.61.61.61.61.601.61.61.61.603.23.23.23.23.23.23.23.20
STANDBY1.61.61.6
1.61.601.61.51.51.303.23.23.23.23.23.23.23.20
REF NO.
MODE81828384858687888990919293949596979899100
CD PLAY0.71.61.6002.91.12.72.90.20.21.63.33.303.20000
STANDBY01.61.6003.21.63.23.2001.63.33.303.20001.2
A
KX100PN/PR/PS MAIN P.C.B
.
IC1001
IC2001
IC2001
IC2001
IC1004
IC1005
IC1000
IC2001
IC2001
IC1002
14.1.Voltage Measurement
Note:
• Indication Voltage Values are in standard values for the unit measured by the DC electronic circuit tester (high-impe dance) with
the chassis taken as standard.
Therefore, there may exist some errors in voltage values, depending on the internal impedance of the DC circuit tester.
• Circuit voltage and waveform described herein shall be regarded as reference information when probing defect poi nt because it
may differ from actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.