For details, refer to "Important Check Points for Good Servicing".
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 2006
Z-ZZW. MAR. 2006 Printed in Japan
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SAFETY INFORMATION
AUTI
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This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessar
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 tryin
and refer the re
ARNING
air to a qualified service technician.
test equipment and tools, and have been trained to properly and safel
to do so
Thisroduct
lifornia to
Health & Safety Code Section 25249.6 - Proposition 6
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Safety Precautions for those who Service this Unit.
r
During repair or tests, minimum distance of 13cm from the focus lens must be kept
During repair or tests, do not view laser beam for 10 seconds or longer
C
D
AUTION
PECIFIED HEREIN MAY RESULT IN HAZARD
ntainsl
E OF CONTROLS OR AD
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n
TMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
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RADIATION EXP
known
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CLASS 1
LASER PRODUCT
DEH-P880PRS/XN/UC
5678
WARNING!
The AEL (accessible emission level )of the laser power output is less than CLASS 1
but the laser component is capable of emitting radiation exceeding the limit for
CLASS 1.
A specially instructed person should do servicing operation of the apparatus.
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Laser diode characteristics
Wave length : 785~814nm
Maximum output : 1190µW(Emitting period : unlimited)
Additional Laser Caution
Transistors Q101 in PCB drive the laser diodes.
When Q101 is shorted between their terminals, the laser diodes will radiate beam.
If the top cover is removed with no disc loaded while such short-circuit is continued,
the naked eyes may be exposed to the laser beam.
- Service Precautions
1. You should conform to the regulations governing the product (safety, radio and noise, and other
regulations), and should keep the safety during servicing by following the safety instructions
described in this manual.
2. This product memorizes every audio setting value during operating product such as VOL position and
EQ setting. As the setting value is recorded in the built-in EEPROM, it does not return to the initial setting
value even if you press RESET key.
If you return it to the initial setting value, execute the Audio Reset in the initial setting menu.
However, if you execute it, the user setting is deleted.
If you change the audio setting when repairing the product, the product is returned to the user with that
setting, so take care of it.
Method of Audio Reset
After pressing MULTI-CONTROL key for two seconds, select Audio Reset by right and left rotation.
After shifting to the reset confirmation screen by right-pressing MULTI-CONTROL key and execute the
reset by center-pressing.
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- CD Section Precaution
1. Before disassembling the unit, be sure to turn off the power. Unplugging and plugging the connectors
during power-on mode may damage the ICs inside the unit.
2. To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment
(shorting-solder) by referring to "the DISASSEMBLY".
3. After replacing the pickup unit, be sure to check the grating.
56
DEH-P880PRS/XN/UC
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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.
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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.
0 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.
3. Lubricants, Glues, and Replacement parts
Use grease and adhesives that are equal to the specified substance.
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Make sure the proper amount is applied.
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.
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.
3.4 KEYBOARD UNIT ....................................................................................................................................40
3.5 CD MECHANISM MODULE(GUIDE PAGE).............................................................................................42
4.1 TUNER AMP UNIT ...................................................................................................................................52
4.2 KEYBOARD UNIT ....................................................................................................................................56
4.3 CD CORE UNIT(S10.5COMP1) ...............................................................................................................58
4.4 SWITCH UNIT ..........................................................................................................................................60
5. ELECTRICAL PARTS LIST .............................................................................................................................61
6.2 CD ADJUSTMENT ...................................................................................................................................77
6.3 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT.....................................................79
7.1.2 CONNECTOR FUNCTION DESCRIPTION ..........................................................................................87
7.2 IC ..............................................................................................................................................................88
OTES : • Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List.
• The > mark found on some component parts indicates the importance of the safety factor of the part.
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Therefore, when replacing, be sure to use parts of identical designation.
• Screw adjacent to mark on the product are used for disassembly.
• For the applying amount of lubricants or glue, follow the instructions in this manual.
(In the case of no amount instructions,apply as you think it appropriate.)
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
DEH-P880PRS/XN/UC
56
Decimal points for resistor
and capacitor fixed values
are expressed as :
←
2.2 2R2
←
0.022 R022
7
A
The > mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.
: The power supply is shown with the marked box.
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: DEH-P880PRS/XN/UC
: DEH-P80RS/XN/ES
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CN902
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CSN1052
CN871
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S2 OPEN
CSN1051
SWITCH UNIT
S1 CLOSE
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CD:0dBs
CN901
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DEH-P880PRS/XN/UC
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