PIONEER RS-P90/EW5 Service Manual

Cover page of PIONEER RS-P90/EW5 Service Manual

Service Manual for PIONEER RS-P90/EW5, downloadable as a PDF file.

We also have owner's manual to this model.

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  • The manual has 84 pages
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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 2006
RS-P90/EW5
CRT3658
OPTICAL DIGITAL REFERENCE SYSTEM UNIVERSAL DIGITAL PREAMP
RS-P90
/EW5
For details, refer to "Important Check Points for Good Servicing".
K-ZZW. OCT. 2006 Printed in Japan
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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 2006
RS-P90/EW5
CRT3658
OPTICAL DIGITAL REFERENCE SYSTEM UNIVERSAL DIGITAL PREAMP
RS-P90
/EW5
For details, refer to "Important Check Points for Good Servicing".
K-ZZW. OCT. 2006 Printed in Japan
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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
can
the
and reliability of the product and may void the
.
If you are not qualified to
the repair of this product properly and
, you should not risk trying to do so
and refer the repair to a qualified service technician.
- 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. Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by electrostatic
induction.
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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.
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.
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. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 PACKING ................................................................................................................................................... 6
2.2 EXTERIOR................................................................................................................................................. 8
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................10
3.1 BLOCK DIAGRAM ................................................................................................................................... 10
3.2 CONTROL UNIT(1/2), CONNECTOR PCB(GUIDE PAGE) ..................................................................... 14
3.3 CONTROL UNIT(2/2)(GUIDE PAGE)....................................................................................................... 20
3.4 DSP PCB(1/2)(GUIDE PAGE).................................................................................................................. 26
3.5 DSP PCB(2/2)(GUIDE PAGE).................................................................................................................. 32
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 38
4.1 CONTROL UNIT ...................................................................................................................................... 38
4.2 DSP PCB ................................................................................................................................................. 42
4.3 CONNECTOR PCB.................................................................................................................................. 46
5. ELECTRICAL PARTS LIST ............................................................................................................................ 47
6. ADJUSTMENT ............................................................................................................................................... 63
6.1 JIG CONNECTION DIAGRAM................................................................................................................. 63
6.2 MASTER CLOCK ADJUSTMENT............................................................................................................ 64
7. GENERAL INFORMATION ............................................................................................................................. 65
7.1 DIAGNOSIS ............................................................................................................................................. 65
7.1.1 DISASSEMBLY ..................................................................................................................................... 65
7.1.2 CONNECTOR FUNCTION DESCRIPTION .......................................................................................... 67
7.2 IC ............................................................................................................................................................. 68
7.3 OPERATIONAL FLOW CHART ............................................................................................................... 80
8. OPERATIONS ................................................................................................................................................ 81
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1. SPECIFICATIONS
GENERAL
Power Source ............. DC 14.4 V (10.8 to 15.1 V allowable)
Grounding system .......................................... Negative type
Max. Current consumption .............................................. 1 A
Backup Current ................................................ 3 mA or less
Fuse ................................................................................ 4 A
Dimensions ........... 240 (W) mm x 59 (H) mm x 240 (D) mm
Weight ........................................................................ 3.6 kg
DSP/PREAMP
Tone controls (parametric)
Bass frequency ........... 63 Hz, 100 Hz, 160 Hz, 250 Hz
Treble frequency ......... 4 kHz, 6.3 kHz, 10 kHz, 16 kHz
Gain .................................................................
± 12 dB
31-band graphic equalizer (L/R independent)
Frequency ............................. 20 Hz to 20 kHz, 1/3 oct.
Gain ....................................................
± 12 dB (0.5 dB)
3-band parametric equalizer (L/R independent)
Frequency ............................. 20 Hz to 20 kHz, 1/3 oct.
Gain ....................................................
± 12 dB (0.5 dB)
Crossover network (L/R independent)
SUBWOOFER
..................... HPF frequency: 20 Hz to 100 Hz, 1/3 oct.
...................... LPF frequency: 40 Hz to 250 Hz, 1/3 oct.
................................... Gain: +10 dB to ­24 dB (0.5 dB)
LOW ............ HPF frequency: 25 Hz to 250 Hz, 1/3 oct.
.................... LPF frequency: 250 Hz to 10 kHz, 1/3 oct.
....................................... Gain: 0 dB to ­24 dB (0.5 dB)
MID ............ HPF frequency: 160 Hz to 10 kHz, 1/3 oct.
...................... LPF frequency: 2 kHz to 20 kHz, 1/3 oct.
....................................... Gain: 0 dB to ­24 dB (0.5 dB)
HIGH
.................. HPF frequency: 1.6 kHz to 20 kHz, 1/3 oct.
...................... LPF frequency: 8 kHz to 20 kHz, 1/3 oct.
....................................... Gain: 0 dB to ­24 dB (0.5 dB)
Slope
........... PASS, ­6, ­12, ­18, ­24, ­36, ­48, ­72 dB/oct.
..............................(PASS: no pass HPF-High channel)
Phase ......................................... NORMAL/REVERSE
Time alignment
(H/M/L ch) ......................... 0 cm to 192.5 cm (0.77 cm)
(SW ch) ................................ 0 cm to 385 cm (1.54 cm)
Position adjustment
...................... DISTANCE: 0 cm to 192.5 cm (0.77 cm)
...................................... Level: 0 dB to ­30 dB (0.5 dB)
Sampling frequency ............................................... 44.1 kHz
Digital input ...................................................... Optical input
Analog Output ........................................ RCA output (4 line)
RCA OUTPUT
Frequency responce ............... 10 Hz to 20 kHz, (­1, +0 dB)
Max. output level/impedance ................................4 V/220
Distortion.................................. 0.002% (1 kHz, 20 kHz LPF)
Signal-to-noise ratio ........................ 115 dB (IHF-A network)
Separation ............... 80 dB (100 Hz to 10 kHz, 20 kHz LPF)

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