18.1. CD SERVO P.C.B.--------------------------------------101
18.2. MAIN P.C.B. (1/2)---------------------------------------102
18.3. MAIN P.C.B. (2/2)---------------------------------------103
18.4. TUNER P.C.B., FL P.C.B., PANEL 1 P.C.B.,
PANEL 2 P.C.B., AUX/HP P.C.B. and IR
P.C.B. ------------------------------------------------------104
18.5. MOTOR P.C.B., POSITION SW P.C.B., iPod
SW P.C.B., iPod P.C.B. and D-Amp P.C.B. ------105
18.6. SMPS P.C.B. and AC IN P.C.B. --------------------- 106
19 Terminal Function of IC’s ----------------------------------- 107
19.1. IC801 (RFKWMAHC3-S) MICRO
PROCESSOR IC ---------------------------------------107
19.2. IC7001 (MN6627954AMA) IC SERVO
PROCESSOR ------------------------------------------- 108
19.3. IC7002 (BA5948FPE2) IC 4CH Drive -------------109
20 Exploded View and Replacement Parts List---------- 110
20.1. Exploded View and Mechanical replacement
Parts List-------------------------------------------------- 110
20.2. Electrical Replacement Parts List ------------------ 116
2
1Safety Precautions
1.1.General Guidelines
1. When 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.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
3. After servicing, carry out the following leakage current checks to prevent the customer from being exposed to shock hazards.
(This “Safety Precaution” is applied only in U.S.A.)
1. Before servicing, unplug the power cord to prevent an electric shock.
2. When replacing parts, use only manufacturer’s recommended components for safety.
3. Check the condition of the power cord. Replace if wear or damage is evident.
4. After servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc.
5. Before returning the serviced equipment to the customer, be sure to make the following insulation resistance test to prevent
the customer from being exposed to a shock hazard.
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 ohmmeter 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 the
chassis, the reading should be between 1MΩ and 5.2MΩ. When the exposed metal does not have a return path to the chas-
sis, 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.
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. The 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
3
1.2.Before Repair and Adjustment
Disconnect AC power, discharge unit AC Capacitors as such C702, C710, C725, C727, C728 and C730 through a 10W, 1W 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 120V, at 60Hz in NO SIGNAL mode (at volume min in FM Tuner mode) should be ~250 mA.
1.3.Caution For Fuse Replacement
1.4.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.
1.5.Safety Part 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.
Table 1
SafetyRef. No.Part No.Part Name & DescriptionRemarks
6REXX0746-1RED WIRE (AC INLET-SMPS)
7REXX0747-1BLACK WIRE (AC INLET-SMPS)
9REXX0752-1BLUE WIRE (AC INLET-SMPS)
30RGNX0850C-1NAME PLATEPC
30RGNX0850H-1NAME PLATEP
101REXX0771WHITE WIRE (JW708)
102REXX0772BROWN WIRE (JW707)
300RAE0165T-VTRAVERSE ASS’Y(RTL)
A2K2CB2CB00021AC CORD
A3RQTX0250-1PO/I BOOK (En)
A3RQTX0251-1CO/I BOOK (Cf)PC
A3RQTX0254-1MO/I BOOK (Sp)P
L702G0B103G00015LINE FILTER
L703G0B103G00015LINE FILTER
L751ELF15N035ANLINE FILTER
T581G4D1A0000117MAIN TRANSFORMER
T701G4DYA0000139SUB TRANSFORMER
T751ETS19AB221AGSWITCHING TRANSFORMER
Z752ERZVA5Z471ZNR
PC701B3PBA0000454PHOTO COUPLER
PC751B3PBA0000454PHOTO COUPLER
4
SafetyRef. No.Part No.Part Name & DescriptionRemarks
RY701K6B1AEA00017RELAY
F751K5D302AQ0003FUSE
FP581K5H7512A0010PROTECTOR
P751K2AB2B000007AC INLET
TH701D4CAA5R10001THERMISTOR
C702ECQU2A104MLC0.1uF
C710F1BAF471A013470pF
C716ECWH10152JV1500uF
C725ECQU2A104MLC0.1uF
C727F1BAF471A013470pF
C728F1BAF471A013470pF
C729F1BAF10200201000pF
C730F1BAF10200201000pF
C736ECQU2A104MLC0.1uF
PCB5REPX0755GSMPS P.C.B.(RTL)
PCB15REPX0755GAC IN P.C.B.(RTL)
5
2Warning
2.1.Prevention of Electro Static 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. Examples of typical ES devices are integrated circuits and some field-effect transistors and
semiconductor “chip” components. The following techniques should be used to help reduce the incidence of component damage
caused by electrostatic discharge (ESD).
1. Immediately before handling any semiconductor component or semiconductor-equiped 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 equiped with ES devices, place the assembly on a conductive surface such as alumin-
ium foil, to prevent electrostatic charge build up 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 remover 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, aluminium 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 lifting of your foot from a carpeted floor can generate static electricity (ESD) sufficient to damage an ES device).
6
2.2.Precaution of Laser Diode
CAUTION!
THIS PRODUCT UTILIZES A LASER.
USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.
Caution:
This product utilizes a laser diode with the unit turned "on", invisible laser radiation is emitted from the pickup lens.
Wavelength: 795 nm (CD)
Maximum output radiation power from pickup: 100 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.
7
2.3.Service caution based on Legal restrictions
2.3.1.General description about Lead Free Solder (PbF)
The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards 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 mainly 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 the 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 control after setting the temperature 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%
8
3Service Navigation
3.1.Service Information
This service manual contains technical information which will allow service perssonnel’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 will be followed by supplement service manual to be filed with original service
manual.
1. Micro-processor:
• Micro-processor IC, (IC801) is supplied as assembled part (RFKWMAHC3-S).
9
4Specifications
Q Amplifier Section
RMS Output Power Stereo Mode
Front Ch (both ch driven)20 W per channel (6 Ω), 1 kHz, 10
% THD
Phone jack
TerminalStereo, 3.5 mm jack
Output level (CD, 1 kHz, -20 dB)max. 1.18 mW +1.18 mW, 32 Ω
Aux (Rear)
Sensitivity
Normal level630 mV, 12.4 kΩ
High level630 mV, 12.4 kΩ
TerminalStereo, 3.5 mm jackQ Tuner Section
Preset memoryFM 30 stations
AM 15 stations
Frequency Modulation (FM)
Frequency range87.9 MHz to 107.9 MHz
(200 kHz step)
87.5 MHz to 108.0 MHz
(100 kHz step)
Antenna terminals75 Ω (unbalanced)
Amplitude Modulation (AM)
Frequency range520 kHz to 1710 kHz
Pick up (CD)
Wavelength795 nm
Laser powerCLASS 1
Audio output (Disc)
Number of channelsFL, FR, 2 channel
Audio performance (CD-Audio)
Frequency response4 Hz to 20 kHz
S/N ratio95 dB
Dynamic range93 dB
Total harmonic distortion0.005 %Q Speaker Section
Typ e1 way, 1 speaker system (Bass
reflex)
Speaker unit(s)
Full range6.5 cm Cone type
Impedance6 Ω
Input power (IEC)30 W (Max)
Output sound pressure79 dB/W (1.0m)
Frequency range55 Hz to 25 kHz (-16 dB)
90 Hz to 22 kHz (-10 dB)
Q General
Power supplyAC 120 V, 60 Hz
Power consumption28 W
Dimensions (W x H x D)500 mm x 195 mm x 102.5 mm
(19 11/16" x 7 11/16" x 4 1/16")
[D = 69 mm (2 3/4") minimum]
MassApprox. 3 kg (6.6 lbs)
Operating temperature range0°C to +35°C (+32 °F to +95 °F)
Operating humidity range35% to 80 % RH (no condensa-
tion)
Power consumption in standby mode 0.2 W (approx)
Notes :
1. Specifications are subject to change without notices. Mass and
dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum analyzer.
10
5Location of Controls and Components
5.1.Main Unit Key Button Operations
11
5.2.Remote Control Key Button Operations
12
6Operating Instructions
6.1.Disc and MP3 Information
13
7Self diagnosis and special mode setting
This unit is equipped with features of self-diagnostic & special mode setting for checking the functions & reliability.
7.1.Service Mode Summary Table
The service modes can be activated by pressing various button combination on the main unit and remote control unit.
Below is the summary for the various modes for checking:
Player buttonsRemote control unit buttonsApplicationNote
[4], [7]To Enter into Doctor Mode for vari-
ous checking
Player buttonsRemote control unit buttonsMode NameNote
Note : Applicable in Doctor Mode[1]FL Display Test(Refer to the section “7.2.2 service
[6]CD and Tape Eject test(Refer to the section “7.2.2 service
[7]VOLUME setting (50dB)(Refer to the section “7.2.2 service
[8]VOLUME setting (29dB)(Refer to the section “7.2.2 service
[9]VOLUME setting (0dB)(Refer to the section “7.2.2 service
[], [1], [2]
[], [1], [3]
[SLEEP]Cold Start(Refer to the section “7.2.2 service
[], [2], [1]
CD Traverse Unit Test Mode(Refer to the section “7.2.2 service
CD Combination Test Mode(Refer to the section “7.2.2 service
Mecha sliding Panel Reliability(Refer to the section “7.2.2 service
(Refer to the section “7.2.1 Service
Mode Table 1.)
mode Table 2 for more information.)
mode Table 2 for more information.)
mode Table 2 for more information.)
mode Table 2 for more information.)
mode Table 2 for more information.)
mode Table 2 for more information.)
mode Table 2 for more information.)
mode Table 2 for more information.)
mode Table 2 for more information.)
14
7.2.Service Mode Table
Below is the various special modes for checking:-
7.2.1.Service Mode Table 1
ItemFL DisplayKey Operation
Mode NameDescriptionFront Key
Self -Diagnostic Mode To enter into self diagnostic
checking for main unit.
Doctor ModeTo enter into Doctor Mode
for checking of various
items and displaying
EEPROM and firmware version.
Note: The micro-processor
version as shown is an
example. It will be revise
when there is an updates.
FL Display sequence Display 1 → 2
(Display 1)
Checksum : (Condition 1)
1. Select [] for CD mode
(Ensure no CD inserted).
2. Press and hold []button
for 2 seconds follow by
[].
To exit Doctor Mode, press button
on main unit or remote control.
In CD mode:
1. Press [] button on main
unit follow by [4] and [7] on
remote control.
To exit Doctor Mode, press button on main unit or remote control.
(a) If there is NO EEPROM header string
OR
(b) If there is no EEPROM ( no data is
received by micro-processor) [NO] is displayed.
Checksum : (Condition 2)
If the version of the EEPROM does not
match or not working properly [NG] is display.
Checksum : (Condition 3)
If the EEPROM version matches, checksum
[YYYY] is displayed.
(Display 2)
The Checksum of EEPROM and firmware
version will be display for 2 sec.
15
7.2.2.Service Mode Table 2
ItemFL DisplayKey Operation
Mode NameDescriptionFront Key
FL Display TestTo check the FL segments
display (All segments will
light up)
Volume SettingTo check for volume setting
CD Traverse Unit Test
Mode
during this mode, Bass &
treble is set to 0dB & EQ is
switch off.
To check for the traverse unit
operation. In this mode, the
first & last track is access &
read. (TOC). It fails when
TOC is not completed by IOS
or the traverse is out of
focus.
In Doctor Mode:
1. Press [1] button on remote control.
To cancel, press [0] button on remote
control.
To exit Doctor Mode, press button on main unit or remote control.
In Doctor Mode:
1. Press [7] button on remote control.
To exit Doctor Mode, press button on main unit or remote control.
In Doctor Mode:
2. Press [8] button on remote control.
To exit Doctor Mode, press button on main unit or remote control.
In Doctor Mode:
3. Press [9] button on remote control.
To exit Doctor Mode, press button on main unit or remote control.
In Doctor Mode:
1. Press [], [1], [2] button on
remote control.
To cancel, press [0] button on remote
control.
To exit Doctor Mode, press button on main unit or remote control.
CD Combination Test
Mode
Cold StartTo activate cold start upon
Mecha Sliding Panel
Reliability
A combination of CD loading
& traverse unit test.
next AC power up.
To check the operation of
sliding Panel.
Sequence as follow :
1. Panel set to centre
position.
2. CD Open & stop at left
position for 1s.
3. CD Close & stop at
centre position for 1s.
4. iPod open & stop at
right position for 1s.
5. iPod close & stop at
centre position for 1s.
In Doctor Mode:
1. Press [], [1], [3] button on
remote control.
To cancel, press [0] button on remote
control.
To exit Doctor Mode, press button on main unit or remote control.
In Doctor Mode:
1. Press [SLEEP] button on remote
control.
To exit Doctor Mode, press button
on main unit or remote control.
In Doctor Mode:
1. Press [] follow by [2] & then
[1] button on remote control.
To cancel, press [0] button on remote
control.
To exit Doctor Mode, press button on main unit or remote control.
16
7.3.Error Code Table
Self-Diagnosis Function provides information on any problems occuring for the unit and its respective components by displaying
error codes. Thesed 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.
Error CodeDiagnosis ContentsDescription of errorAutomatic FL DisplayRemarks
CD H15CD Open AbnormalDuring operation
POS_SW_R On fail to be
detected with 3 sec. Error
No. shall be clear by force
or during cold start.
CD H16CD Closing AbnormalDuring operation
IPD H15iPod Open AbnormalDuring operation
IPD H16iPod Closing AbnormalDuring operation
F15CD REST SW AbnormalCD traverse position intial
F26Communication between
CD servo LSI and micro-p
abnormal.
POS_SW_CEN On fail to
be detected with 3 sec.
Error No. shall be clear by
force or during cold start.
POS_SW_L On fail to be
detected with 3 sec. Error
No. shall be clear by force
or during cold start.
POS_SW_CEN On fail to
be detected with 3 sec.
Error No. shall be clear by
force or during cold start.
setting operation failsafe
counter (10 s) waiting for
REST SW to turn on. Error
No. shall be clear by force
or during cold start.
During switch to CD function, if SENSE = “L” within
failsafe time of 20ms.
For CD Mechanism Unit
Press [Q] on main unit for
next error.
For CD Mechanism Unit
Press [Q] on main unit for
next error.
For iPod
Press [Q] on main unit for
next error.
For iPod
Press [Q] on main unit for
next error.
For CD Mechanism Unit
Press [Q] on main unit for
next error.
For CD Mechanism Unit
Press [Q] on main unit for
next error.
F61/F76Power Amp IC output
abnormal
During power-on, PDET1,
PDET2 & MAINV_DET /
TEMP_DET is “L” after 1
sec.
For power.
Press [Q] on main unit for
next error.
17
8Troubleshooting Guide
8.1. CD Door Unit Jam
8.1.1.Removing the CD
Step 2 : Push the CD Door Unit as arrow shown until the CD is
fully in sight.
Step 3 : Remove the CD.
Step 1 : Insert a flathead screwdriver into the hole behind the
CD Door Unit and push the gear fixture from point A to B.
18
8.1.2.Removing the iPod
Step 2 : Push the CD Door Unit as arrow shown until the iPod
is fully in sight.
Step 3 : Remove the iPod.
Step 1 : Insert a flathead screwdriver into the hole behind the
CD Door Unit and push the gear fixture from point B to A.
19
9Disassembly and Assembly Instructions
“ATTENTION SERVICER”
Be careful when disassembling and servicing.
Some chassis components may have sharp edges
Special Note:
1. This section describes the disassembly procedures for all the major printed circuit boards and main components.
2. Before the disassembly process was carried out, do take special note that all safety precautions are to be carried out.
(Ensure that no AC power supply is connected during disassembling.)
3. For assembly after operation checks or replacement, reverse the respective procedures.
Special reassembly procedures are described only when required.
4. Do take note of the locators on each printed circuit board during reassembling procedures.
5. The Switch Regulator IC may have high temperature after prolonged use.
6. Use caution when removing the top cabinet and avoid touching heat sinks located in the unit.
7. Select items from the following index when checks or replacement are required.
• Disassembly of CD Door Unit
• Disassembly of Net Frame Assembly
• Disassembly of Top Ornament
• Disassembly of Bottom Ornament
• Disassembly of Speaker Unit (SP1)
• Disassembly of Speaker Unit (SP2)
• Disassembly of Panel 1 & Panel 2 P.C.B.
• Disassembly of Front Panel Block
• Disassembly of Tuner Pack
• Disassembly of SMPS Unit
• Disassembly of AC IN P.C.B.
• Disassembly of SMPS P.C.B.
• Replacement of Switching Regulator IC (IC702)
• Replacement of Diode (D702)
• Replacement of Diode (D704)
• Disassembly of Main P.C.B.
• Disassembly of Fan
• Disassembly of AUX / HP P.C.B.
• Disassembly of Traverse Deck
• Disassembly of Traverse Cover & Traverse Unit
• Disassembly of CD Servo P.C.B.
• Disassembly of D-Amp P.C.B.
• Disassembly of Fan Unit (iPod)
• Disassembly of FL P.C.B.
• Disassembly of iPod P.C.B.
• Disassembly of Motor P.C.B.
• Disassembly of Position SW P.C.B.
• Disassembly of iPod SW P.C.B.
• Disassembly of IR P.C.B.
20
9.1.Disassembly flow chart
The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing.
To assemble the unit, reverse the steps shown in the chart below.
21
9.2.Type of Screw
9.3.Main Parts Location Diagram
22
9.4.Disassembly of CD Door Unit
Step 1 : Insert a flathead screwdriver into the hole behind the
CD Door Unit and push the gear fixture from point A to B.
Step 3 : Lift up the CD Door Unit slightly as arrow shown
and push it as arrow shown.
Step 4 : Remove the CD Door Unit.
Caution : Avoid touching the lens during assembling / Dis-
assembly of the CD Door Unit.
Step 2 : Gentlely push the CD Door Unit manually until it is fully
extended.
23
• Assembly of CD Door Unit
Step 1 : Adjust the gear fixture as diagram shown.
Caution : Avoid touching the lens during assembling / Disassembly of the CD Door Unit.
Step 2 : Align the CD Door Unit with the (upper & lower rib),
guide reel (A & B) on the front panel.
Step 3 : Gentlely push the CD Door Unit until it is fully closed.
24
9.5.Disassembly of Net Frame
Assembly
• Disassembly of Net Frame Asembly (L)
Step 1 : Gently lift up Net Frame Assembly (L).
Caution : During assembly ensure the net frame assembly
(L) is seated properly
Caution : During assembly ensure that the bosses are
aligned to their respective holes in Front Speaker Assembly (L) as shown.
Step 2 : Remove Net Frame Assembly (L) as arrow shown.
25
• Disassembly of Net Frame Asembly (R)
Step 3 : Gently lift up Net Frame Assembly (R).
Caution : During assembly ensure that the bosses are
aligned to their respective holes in Front Speaker Assembly (R) as shown.
Step 4 : Remove Net Frame Assembly (R) as arrow shown.
26
9.6.Disassembly of Top Ornament
• Follow the (Step 1) - (Step 4) of item 9.5.
Step 1 : Remove 4 screws.
Step 3 : Lift up the Top Ornament Unit.
Caution : Avoid pulling when detaching the Top Ornament
or apply strong force it may lead to the broken of connecting cable.
Step 2 : Gently release the 2 catches on the Top Ornament
Unit.
Caution : Take extra care not to damage the Top Ornament
Unit when releasing the catches during disassembling.
27
9.7.Disassembly of Bottom Ornament
• Follow the (Step 1) - (Step 4) of item 9.5.
Step 1 : Remove 4 screws.
Step 3 : Remove the Bottom Ornament.
Step 2 : Gently release the 4 catches on the Bottom Ornament.
Caution : Take extra care not to damage the Bottom Orna-
ment during disassembling.
28
9.8.Disassembly of Speaker Unit
(SP1)
• Follow the (Step 1) - (Step 4) of item 9.5.
• Follow the (Step 1) - (Step 3) of item 9.6.
• Follow the (Step 1) - (Step 3) of item 9.7.
Step 3 : Place the Front Speaker Assembly (L) on a support
block as shown.
Step 1 : Remove 5 screws.
Step 2 : Using a flathead screwdriver, apply gentle force at the
4 holes in the Front Speaker Assembly (L) in order show to
detach it from the Main Unit as arrows shown.
Caution : During assembling of the Front Speaker Assembly (L), insert the speaker wires into the hole in the Front
Speaker Assembly (L).
29
Step 4 : Remove 4 screws.
9.9.Disassembly of Speaker Unit
(SP2)
• Follow the (Step 1) - (Step 4) of item 9.5.
• Follow the (Step 1) - (Step 3) of item 9.6.
• Follow the (Step 1) - (Step 3) of item 9.7.
Step 5 : Desolder the speaker terminals of the red (+) and
black (-) speaker wires.
Step 6 : Remove Speaker unit (SP1).
Step 1 : Remove 5 scews.
Step 2 : Using a flathead screwdriver, apply gentle force at the
4 holes in the Front Speaker Assembly (R) to detach it from the
Main Unit as arrows shown.
30
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