PIONEER SX-LX03/WVYSXJ5 Service Manual

Cover page of PIONEER SX-LX03/WVYSXJ5 Service Manual

Service Manual for PIONEER SX-LX03/WVYSXJ5, downloadable as a PDF file.

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ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2008
2008 Printed in Japan
iPod DIRECT
PHONES
MCACC
STANDBY / ON
HDMI
SX-LX08
RRV3843
AUDIO MULTI-CHANNEL RECEIVER
SX-LX08
SX-LX03
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Remarks
SX-LX08
WVYSXJ5
AC 220 V to 240 V
SX-LX03
WVYSXJ5
AC 220 V to 240 V
For details, refer to "Important Check Points for good servicing".
T-ZZK SEPT.
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ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2008
2008 Printed in Japan
iPod DIRECT
PHONES
MCACC
STANDBY / ON
HDMI
SX-LX08
RRV3843
AUDIO MULTI-CHANNEL RECEIVER
SX-LX08
SX-LX03
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Remarks
SX-LX08
WVYSXJ5
AC 220 V to 240 V
SX-LX03
WVYSXJ5
AC 220 V to 240 V
For details, refer to "Important Check Points for good servicing".
T-ZZK SEPT.
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SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual
do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been
trained to properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may
void the warranty. If you are not qualified to perform the repair of this product properly and safely,
you should not risk trying to do so and refer the repair to a qualified service technician.
WARNING
This product contains certain electrical parts contain chemicals which are known to the State of California to cause cancer,
birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols
(fast operating fuse) and/or
(slow operating fuse) on PCB indicate that replacement parts must
be of identical designation.
REMARQUE
(POUR MODÈLE CANADIEN SEULEMENT)
Les symboles de fusible
(fusible de type rapide) et/ou
(fusible de type lent) sur CCI indiquent que les pièces
de remplacement doivent avoir la même désignation.
ANY MEASUREMENTS NOT WITHIN THE
LIMITS OUTLINED ABOVE ARE INDICATIVE
OF A POTENTIAL SHOCK HAZARD AND
MUST BE CORRECTED BEFORE RETURN-
ING THE APPLIANCE TO THE CUSTOMER.
2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appliance
have special safety related characteristics. These are
often not evident from visual inspection nor the
protection afforded by them necessarily can be obtained
by using replacement components rated for voltage,
wattage, etc. Replacement par ts which have these
special safety character istics are identified in this
Service Manual.
Electr ical components having such features are
identified by marking with a
on the schematics and
on the parts list in this Service Manual.
The use of a substitute replacement component which
does not have the same safety characteristics as the
PIONEER recommended replacement one, shown in the
parts list in this Service Manual, may create shock, fire,
or other hazards.
Product Safety is continuously under review and new
instructions are issued from time to time. For the latest
infor mation, alw ays consult the current PIO N EER
Service Manual. A subscription to, or
additional copies
of, PIO N EER Ser vice Manual may be obtained at a
nominal charge from PIONEER.
(FOR USA MODEL ONLY)
1. SAFETY PRECAUTIONS
The following check should be perfor med for the
contin ued protection of the customer and ser vice
technician.
LEAKAGE CURRENT CHECK
Measure leakage current to a known ear th ground
(water pipe, conduit, etc.) by connecting a leakage
current tester such as Simpson Model 229-2 or
equivalent between the ear th ground and all exposed
metal par ts of the appliance (input/output ter minals,
screwheads, metal overlays, control shaft, etc.). Plug
the AC line cord of the appliance directly into a 120V
AC 60 Hz outlet and turn the AC power switch on. Any
current measured must not exceed 0.5 mA.
Device
under
test
Leakage
current
tester
Earth
ground
Reading should
not be above
0.5 mA
Also test with
plug reversed
(Using AC adapter
plug as required)
Test all
exposed metal
surfaces
AC Leakage Test
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[Important Check Points for Good Servicing]
In this manual, procedures that must be performed during repairs are marked with the below symbol.
Please be sure to confirm and follow these procedures.
1. Product safety
Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by
following the safety instructions described in this manual.
1 Use specified parts for repair.
Use genuine parts. Be sure to use important parts for safety.
2 Do not perform modifications without proper instructions.
Please follow the specified safety methods when modification(addition/change of parts) is required due to interferences such as
radio/TV interference and foreign noise.
3 Make sure the soldering of repaired locations is properly performed.
When you solder while repairing, please be sure that there are no cold solder and other debris.
Soldering should be finished with the proper quantity. (Refer to the example)
4 Make sure the screws are tightly fastened.
Please be sure that all screws are fastened, and that there are no loose screws.
5 Make sure each connectors are correctly inserted.
Please be sure that all connectors are inserted, and that there are no imperfect insertion.
6 Make sure the wiring cables are set to their original state.
Please replace the wiring and cables to the original state after repairs.
In addition, be sure that there are no pinched wires, etc.
7 Make sure screws and soldering scraps do not remain inside the product.
Please check that neither solder debris nor screws remain inside the product.
8 There should be no semi-broken wires, scratches, melting, etc.on the coating of the power cord.
Damaged power cords may lead to fire accidents, so please be sure that there are no damages.
If you find a damaged power cord, please exchange it with a suitable one.
9 There should be no spark traces or similar marks on the power plug.
When spark traces or similar marks are found on the power supply plug, please check the connection and advise on secure
connections and suitable usage. Please exchange the power cord if necessary.
a Safe environment should be secured during servicing.
When you perform repairs, please pay attention to static electricity, furniture, household articles, etc. in order to prevent injuries.
Please pay attention to your surroundings and repair safely.
2. Adjustments
To keep the original performance of the products, optimum adjustments and confirmation of characteristics within specification.
Adjustments should be performed in accordance with the procedures/instructions described in this manual.
4. Cleaning
For parts that require cleaning, such as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper
cleaning should be performed to restore their performances.
3. Lubricants, Glues, and Replacement parts
Use grease and adhesives that are equal to the specified substance.
Make sure the proper amount is applied.
5. Shipping mode and Shipping screws
To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be
installed before shipment. Please be sure to follow this method especially if it is specified in this manual.
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CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................5
1.1 NOTES ON SOLDERING ...............................................................................................................................................5
1.2 CAUTION ........................................................................................................................................................................5
2. SPECIFICATIONS .................................................................................................................................................................6
2.1 SPECIFICATIONS...........................................................................................................................................................6
2.2 ACCESSORIES ..............................................................................................................................................................7
2.3 PANEL FACILITIES .........................................................................................................................................................8
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................13
3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................13
3.2 PCB LOCATIONS .........................................................................................................................................................14
3.3 JIGS LIST .....................................................................................................................................................................15
4. BLOCK DIAGRAM...............................................................................................................................................................16
4.1 OVERALL CONNECTION DIAGRAM...........................................................................................................................16
4.2 BLOCK DIAGRAM ........................................................................................................................................................18
5. DIAGNOSIS.........................................................................................................................................................................20
5.1 CIRCUIT DESCRIPTION OF DIGITAL AMP SECTION................................................................................................20
5.2 SPECIFICATIONS OF PROTECTION CIRCUITS FOR DIGITAL AMP SECTION .......................................................21
5.3 USB/iPod TROUBLESHOOTING..................................................................................................................................22
5.4 ERROR AND WARNING MESSAGE............................................................................................................................26
6. SERVICE MODE .................................................................................................................................................................29
6.1 SERVICE TEST MODE ................................................................................................................................................29
6.2 DISPLAY SPECIFICATIONS OF DSP ERROR ............................................................................................................32
7. DISASSEMBLY....................................................................................................................................................................33
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................38
8.1 HOW TO CONFIRM THE VERSION OF THE FIRMWARE..........................................................................................38
8.2 HOW TO UPDATE THE FIRMWARE ............................................................................................................................39
8.3 HOW TO UPDATE THE DSP FLASH ROM BY PLAYING BACK A CD........................................................................41
9. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................44
9.1 PACKING SECTION .....................................................................................................................................................44
9.2 EXTERIOR SECTION...................................................................................................................................................46
9.3 CHASSIS SECTION .....................................................................................................................................................48
10. SCHEMATIC DIAGRAM ....................................................................................................................................................50
10.1 4IN1 MOD ASSY (1/6) ................................................................................................................................................50
10.2 4IN1 MOD ASSY (2/6) ................................................................................................................................................52
10.3 4IN1 MOD ASSY (3/6) ................................................................................................................................................54
10.4 4IN1 MOD ASSY (4/6) ................................................................................................................................................56
10.5 4IN1 MOD ASSY (5/6) (Do not use for this model) .....................................................................................................58
10.6 4IN1 MOD ASSY (6/6) ................................................................................................................................................59
10.7 AHTP SDC EU SYSMAIN ASSY (1/5)........................................................................................................................60
10.8 AHTP SDC EU SYSMAIN ASSY (2/5)........................................................................................................................62
10.9 AHTP SDC EU SYSMAIN ASSY (3/5)........................................................................................................................64
10.10 AHTP SDC EU SYSMAIN ASSY (4/5)......................................................................................................................66
10.11 AHTP SDC EU SYSMAIN (5/5) and AHTS OPT IN ASSYS.....................................................................................68
10.12 AHTP-SDC AMP ASSY (1/2) ....................................................................................................................................70
10.13 AHTP-SDC AMP ASSY (2/2) ....................................................................................................................................72
10.14 AHTS DISPLAY, AHTS MOTION SENSOR and AHTS LED ASSYS........................................................................74
10.15 AHTS TOUCH SENSOR ASSY ................................................................................................................................76
10.16 POWER SUPPLY UNIT.............................................................................................................................................78
10.17 WAVEFORMS ...........................................................................................................................................................79
11. PCB CONNECTION DIAGRAM ........................................................................................................................................80
11.1 4IN1 MOD ASSY ........................................................................................................................................................80
11.2 AHTP SDC EU SYSMAIN and AHTS OPT IN ASSYS ...............................................................................................84
11.3 AHTP-SDC AMP ASSY ..............................................................................................................................................88
11.4 AHTS DISPLAY, AHTS MOTION SENSOR and AHTS LED ASSYS..........................................................................90
11.5 POWER SUPPLY UNIT...............................................................................................................................................94
11.6 AHTS TOUCH SENSOR ASSY ..................................................................................................................................96
12. PCB PARTS LIST ..............................................................................................................................................................97
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1. SERVICE PRECAUTIONS
1.1 NOTES ON SOLDERING
1.2 CAUTION
· For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit.
Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs
accompanied by reworking of soldering.
· Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 ºC.
Therefore, for lead-free soldering, the tip temperature of a soldering iron must be set to around 373 ºC in general, although
the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of
the soldering iron.
Do NOT use a soldering iron whose tip temperature cannot be controlled.
Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting
temperatures (hard to melt/easy to harden).
The following lead-free solders are available as service parts:
· Parts numbers of lead-free solder:
GYP1006 1.0 in dia.
GYP1007 0.6 in dia.
GYP1008 0.3 in dia.
NOTES ON BTL DRIVE
As a signal to drive the BTL is output from the negative speaker terminal, DO NOT short-circuit between the negative
speaker terminal and ground, such as the chassis.
Do not short-circuit between the plus speaker terminal and ground, such as the chassis, too.
Negative Speaker Terminal
Ground (Chassis)
Do not short-circuit

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