Pioneer DEH-3770MP Bedienungsanleitung

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

1012341234FEDCBACX-3158Fig. 1.2.5 Multi-track jumpFig. 1.2.6 Track braket1TDTEC(10 TRACK)EQUALIZERT. BRAKESERVOSD2.9mS (4.10 TRACK JUMP)5.8mS (32 TRAC

115678FEDCBA5678CX-31581.2.3 Carriage servo systemIn the carriage servo system, the low frequency component from the tracking equalizer (the informati

1212341234FEDCBACX-31581.2.4 Spindle servo systemIn the spindle servo system, the following seven modes are available:1) KickUsed to accelerate the di

135678FEDCBA5678CX-31581.3 AUTOMATIC ADJUSTMENT FUNCTIONThis system automatically handles the circuit adjustment inside the CD LSI. All adjustments a

1412341234FEDCBACX-31581.3.5 RF level auto-adjustment (RFAGC)This adjustment minimizes the dispersion of the RF level (RFO), which may be caused by di

155678FEDCBA5678CX-31581.3.7 Initial values in adjustmentAll automatic adjustments immediately after inserting a disc are conducted from the initial v

1612341234FEDCBACX-31581.4 POWER SUPPLY AND LOADING BLOCKThe VD (7.5 ± 0.5V), the VD2 (7.5 ± 0.5V) and the VDD (5.0 ± 0.25V), which are supplied from

175678FEDCBA5678CX-3158To control the load and eject operations, the clamp switch located in the mechanism unit and the three detectingswitches locate

1812341234FEDCBACX-3158Fig.1.4.4 Status change in LOAD and EJECT modesSW CHANGESCONTROL12EJ8EJDSCSNSCLAMPCLCONTLOEJMOTOR12cmEJECTSTOP EJECT STOP8cmSW

195678FEDCBA5678CX-31582. MECHANISM DESCRIPTIONS- Loading actions1. When a disc is inserted, SW Arm L and R rotate. Due to the rotation of Arm L, SW1

212341234FEDCBACX-31581. CIRCUIT DESCRIPTIONSRecently, most CD LSI's have included DAC, RF amplifier and other peripheral circuits, as well as th

2012341234FEDCBACX-3158- Clamp actions1. When an 8 or 12cm disc is placed on the center of the spindle, the detection arm starts moving.2. The movemen

21- How to hold the Mechanism Unit1. Hold the top and bottom frame.2. Do not squeeze top frame's front portion too tight, because it is fragi

22Bevel GearBracketSolderShorting SolderCD Core UnitRoller Arm Assy- Removing the CD Core Unit1. Apply shorting solder to the Pickup flexible cable.

23Load Carriage Motor AssyStyling HolderPlanet GearChange ArmInner HolderStyling HolderFeed ScrewWasherPickup Lock Arm- Removing the Pickup Unit1. Se

24SpringSpringSpringSpringClamp Arm AssySpindle MotorSpring- Removing the Clamp Arm Assy1. Remove the five springs.2. While lifting the clamp arm as

35678FEDCBA5678CX-31581.1 PREAMPLIFIER BLOCK (UPD63763GJ: IC201)In the preamplifier block, the pickup output signals are processed to generate signals

412341234FEDCBACX-31581.1.2 RF and RFAGC amplifiersThe photo-detector outputs (A + C) and (B + D) are added, amplified, and equalized inside this LSI,

55678FEDCBA5678CX-31581.1.3 Focus error amplifierThe photo-detector outputs (A + C) and (B + D) are applied to the differential amplifier and the erro

612341234FEDCBACX-31581.1.6 Tracking zero-cross amplifierThe tracking zero-cross signal (hereinafter TEC signal) is obtained by amplifying the TE sign

75678FEDCBA5678CX-31581.2 SERVO BLOCK (UPD63763GJ: IC201)The servo block controls the servo systems for error signal equalizing, in-focus, track jump

812341234FEDCBACX-3158Fig. 1.2.2 Timing chart for focus close operations 1.2.2 Tracking servo systemIn the tracking servo system, the digital equalize

95678FEDCBA5678CX-3158Fig. 1.2.3 Block diagram of the tracking servo systemFig. 1.2.4 Single-track jumpEFLENSTEAMPA/DDIG.EQJUMPPARAMETERSCONTROLPWMTDU