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Pioneer DVL-909 Service Manual

Pioneer DVL-909
47 pages
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ORDER NO.
RRV1896
T - IZM APR. 1998 Printed in Japan
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Lane Crawford Place, Singapore 0923
PIONEER ELECTRONIC CORPORATION 1998
c
1. CIRCUIT DESCRIPTION ...................................... 2
2. CIRCUIT DESCRIPTIONS
FOR DV-S9 AND DV-09 ............................... 10
3. TEST MODE ....................................................... 13
4. IC INFORMATION .............................................. 22
5. FL INFORMATION.............................................. 47
CONTENTS
DV-505
DVD PLAYER
DV-S9
DVD LD PLAYER
DVL-909
SERVICE GUIDE

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Pioneer DVL-909 Specifications

General IconGeneral
BrandPioneer
ModelDVL-909
CategoryDVD Player
LanguageEnglish

Summary

SERVICE GUIDE

CIRCUIT DESCRIPTION

OVERALL BLOCK DIAGRAM

Provides a high-level overview of the unit's functional blocks and their interconnections.

EXPLANATION OF EACH MOVEMENT

Sequence Up to Playback

Details the steps involved in the sequence from powering on to playing a disc.

Focus Servo

Explains the operation of the focus servo for DVD and CD playback.

Tracking / Slider Servo

Describes the mechanisms and control of the tracking and slider servos.

SPINDLE SERVO

Details the spindle motor control system and its servo operations.

Disc Determination

Explains the process by which the player identifies the type of disc loaded.

System Control (DVL-909)

Outlines the system control logic and operations specific to the DVL-909 model.

CIRCUIT DESCRIPTIONS FOR DV-S9 AND DV-09

VIDEO SIGNAL PROCESSING BLOCK

Covers the processing of video signals, including noise reduction and enhancement.

Analog Video Signal Processing Block

Details the analog video signal processing, filtering, and output stages.

DIRB BLOCK (DIRB ASSY)

Describes the Digital Interface and Data Bus (DIRB) block functions for the DV-S9.

96K, 24-Bit, HIBIT LEGATO S SYSTEM (AUDIO ASSY)

Explains the high-fidelity audio system's capabilities, including 96KHz/24-bit processing.

TEST MODE

HOW TO ENTER THE TEST MODE

Provides the methods to access and initiate the service test mode.

RELEASE THE TEST MODE

Explains the procedures to exit the service test mode and return to normal operation.

THE EXPLANATION OF EACH FUNCTION

Details the specific functions and operations available within the test mode.

Door Open/Close

Operation to open and close the disc tray using the remote control.

Play 1 (Demultiplex)

Playback mode with demultiplex for outputting the playback screen.

Search Address Input

Allows inputting a specific address for playback search functionality.

Side Change

Function to change between disc sides, applicable for LD playback.

Video Output Switching

Switches between composite and component video output signals.

EXPANSION FUNCTION 1

Enables special functions via specific remote control key combinations.

EXPANSION FUNCTION 2

Enables additional special functions via different remote control key combinations.

List of Test Mode Function

Tabular summary of test mode commands and their associated functions.

Test Mode Screen Display (The Second Generation)

Describes the display format and information presented during test mode operations.

Special Mention Item

Highlights specific items and their indications during test mode, such as spindle status.

Description of Each Item on the Display

Provides detailed explanations for all items displayed during test mode operations.

DESCRIPTIONS OF NEW FUNCTIONS IN TEST MODE

Error Rate

Describes how to measure and interpret disc error rates (C1 errors).

Jitter Value

Explains how to measure and interpret disc jitter values for quality assessment.

Startup Sequence

Details the step-by-step process the player follows during startup.

Peak Detection

Function to measure sine wave related to focus errors during startup.

Disc Distinction

Explains the process of identifying disc types and handling startup errors.

SGC

Describes the Sine-to-Sine Gain Control function for maintaining focus error levels.

Measurement of MIRR Modulation Degree

Details the measurement of MIRR modulation degree for signal quality analysis.

AFB (Auto Focus Bias) Function

Explains the Auto Focus Bias function for improving jitter on CDs and DVDs.

PLAY AGC

Describes the Automatic Gain Control adjustment during playback.

Additional Descriptions of Error Generation

Explains common errors generated by the mechanism control computer.

IC INFORMATION

PD4890A (FLKB ASSY : IC101)

Details of the PD4890A IC, serving as the Mode Control IC.

PD0260A2, PD0261A2 (CLDM ASSY : IC101)(DVL-909 ONLY)

Information on PD0260A2/PD0261A2 ICs, used as Mechanism Control ICs for the DVL-909.

LA9700M (DVDM ASSY : IC101)

Details of the LA9700M IC, functioning as the RF IC.

LC78650E-P (DVDM ASSY : IC201)(DVL-909 only)

Information on LC78650E-P IC, acting as the Servo DSP LSI.

PD4889A (DVDM ASSY : IC501)

Details of the PD4889A IC, functioning as the Mechanism Control IC.

VYW1536 (DVDM ASSY : IC603)(DV-505 and DVL-909 only)

Information on VYW1536 IC, used as Flash ROM.

PD3381A (DVDM ASSY : IC601)

Details of the PD3381A IC, functioning as the System Control CPU.

MB86371 (DVDM ASSY : IC801)

Information on MB86371 IC, serving as the MPEG2 Decoder LSI for DVD.

MB811171622A-100FN (DVDM ASSY : IC802)

Details of the MB811171622A-100FN IC, used as a Code Buffer (SDRAM).

CY2081SL-611 (DVDM ASSY : IC813)

Information on CY2081SL-611 IC, functioning as the Clock Generate IC.

PD2058A (DVDM ASSY : IC901)(DV-505 and DVL-909 only)

Details of the PD2058A IC, acting as the Digital Signal Processor for Audio.

FL INFORMATION

FL DISPLAY

Diagram and description of the front panel FL display segments and their functions.

ANODE AND GRID ASSIGNMENT

Shows the pin assignments for the FL display's anode and grid segments.

PIN ASSIGNMENT

Detailed table outlining the pin assignments for the FL display components.

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