Pioneer CX-958 service manual Safety Information, CD Player Service Precautions

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DEH-2130R,2100R

-CD Player Service Precautions

1.For pickup unit(CXX1285) handling, please refer to"Disassembly"(see page 48).

During replacement, handling precautions shall be taken to prevent an electrostatic discharge(protection by a short pin).

2.During disassembly, be sure to turn the power off since an internal IC might be destroyed when a con- nector is plugged or unplugged.

3.Please checking the grating after changing the ser- vice pickup unit(see page 43).

1. 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.

1. Safety Precautions for those who Service this Unit.

When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable results.

Caution:

1.During repair or tests, minimum distance of 13cm from the focus lens must be kept.

2.During repair or tests, do not view laser beam for 10 seconds or longer.

2.A “CLASS 1 LASER PRODUCT” label is affixed to the bottom of the player.

3.The triangular label is attached to the mechanism unit frame.

CLASS 1

LASER PRODUCT

4. Specifications of Laser Diode

Specifications of laser radiation fields to which human access is possible during service. Wavelength = 800 nanometers

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Contents Contents DEH-2130R X1M/EWSafety Information CD Player Service PrecautionsExploded Views and Parts List PackingExterior BSZ30P060FMC BMZ26P120FMCBSZ26P060FMC BSZ30P120FMCCD Mechanism Module JFZ20P025FMC BMZ20P030FMCBSZ20P040FMC JGZ17P025FZKBlock Diagram and Schematic Diagram Block DiagramKeyboard Unit Overall Connection Diagramguide Keyboard UnitTuner AMP Assy 12 A-a Keyboard Tuner AMP Assy Cellular Mute FM/AM Tuner Unit FM/AM Tuner UnitDEH-2130R,2100R 18 C Keyboard UnitCN601 Control Unit MP, SERVO, DSP, DAC, LPF Waveforms REFO2.5VScko @ EFM$ Plck LrckCH1 RFI 1V/div CH1 FD 5V/div CH1 TD 5ms/div ⁄ CH2 Hold DEH-2130R,2100R Cord Assy PCB Connection Diagram a Tuner AMP AssyTuner AMP Assy Side a Tuner AMP Assy Side B 30 B FM/AM Tuner UnitDEH-2130R,2100R 32 C Keyboard UnitCN601 Pickup Control Unit UNITSERVICEP8Motorcarriage Motorloading Photo UNITS8Clamp Resistors Electrical Parts ListMiscellaneous Capacitors Unit Number CWE1500 Unit Number CWM6779DEH-2130R Unit Number CWX2411 Unit Name Control Unit Adjustment CD AdjustmentFlow Chart 99 99Refout Test ModeChecking the Grating After Changing the Pickup Unit RefoGrating waveform General Information Diagnosis 7.1.1 Test ModeError Messages RF AMP NGFF/TR+ New Test ModeBand REV/TRERROR-40 MINRemoving the Tuner Amp Assy DisassemblyRemoving the Panel Assy not shown Removing the Clamp Arm Assy Removing the Upper FrameRemoving the Carriage Mechanism Removing the Control Unit and the Spindle Motor Removing the Guide Arm AssyRemoving the LO Arm Assy Removing the Loading Motor and Carriage Removing the Pickup UnitParts Pin FunctionsPE5090AAsens LdetRCK BsensPM4009A Pin Functions PD6293A Pin Functions UPD63711GC Atest TEST0TEST1 DAC0Pin Functions BA5985FM Display CAW1559Operational Flow Chart VDD=5VOperations and Specifications OperationsBand Indicator Manual and Seek TuningPreset Number Indicator Band Frequency Indicator Preset TuningEject Disc Loading SlotAudio Menu Functions DEH-2130R,2100R Specifications