Clarion DRZ9255 User Manual

DRZ9255
HX-D2
- 1 -
Published by Service Dept.
Printed in Japan
Clarion Co., Ltd.
50 Kamitoda, Toda-shi, Saitama 335-8511 Japan
Service Dept.: 5-66 Azuma , Kitamoto-shi, Saitama 364-0007 Japan
Tel: +81-48-541-2335 / 2432 FAX: +81-48-541-2703
298-6163-00
Jun.2004 P
Service Manual
Model
Model
High-Fidelity AM/FM CD Player
(PE-2628B-A / For U.S.A.)
(PE-2628K-A / For other countries)
SPECIFICATIONS
FM tuner section
Frequency range: 87.9MHz to 107.9MHz(U.S.A.)
87.0MHz to 108.0MHz(OTHERS)
Usable sensitivity: 9dBf
50dB quieting sensitivity: 15dBf
Alternate channel selectivity:
70dB
Stereo separation: 35dB (1kHz)
Frequency response: 30Hz to 15kHz (+/-3dB)
AM tuner section
Frequency range: 530kHz to 1710kHz(U.S.A.)
531kHz to 1629kHz(OTHERS)
Usable sensitivity: 25uV
CD player section
System: Compact disc digital audio system
Usable discs: Compact disc
Frequency response: 5Hz to 20kHz (+/-1dB)
S/N ratio: 112dB (1kHz)
Dynamic range: 100dB (1kHz)
Distortion: 0.003%(20Hz to 20kHz)
Audio section
Bass control action: +/-12dB (50Hz)
Treble control action: +/-12dB (10kHz)
Line output level: Vol.0dB=4V
Vol.+6dB=8V(Max)
(CD 1kHz)
DSP/DAC
A/D conversion: 24-bit 64x oversampling
A/D converter
D/A conversion: 96kHz/24-bit advanced segment
D/A converter
8x oversampling digital filter
Blocked band attenuation:
-130 dB
Transmitted band attenuation:
+/-0.00001dB
Sampling rate converter
Input sampling rate: fs32k, fs44.1k, fs48k,fs96k
Output sampling rate: fs48k, fs96k
DSP: 24-bit audio DSP, 34-bit arithmetic
operation (overflow margin 4-bit)
General
Power supply voltage: 14.4V DC(10.8V to 15.6V allow-
able) negative ground
Current consumption: Less than 5A
Dimensions(mm)
Source unit: 178(W)x50(H)x155(D)
DC-DC converter: 163(W)x42(H)x98(D)
Remote control unit: 52(W)x125(H)x12(D)
Weight
Source unit: 1.8kg
DC-DC converter: 700g
Remote control unit: 50g(including battery)
P
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(DRZ9255)
NOTES
* Use only compact discs bearing the or mark.Do
not play heart-shaped, octagonal, or other specially shaped
compact discs.
Some CDs recorded in CD-R/CD-RW mode may not be
usable.
* We cannot supply PWB with component parts in principle.
When a circuit on PWB has failure, please repair it by
component parts base. Parts which are not mentioned in
service manual are not supplied.
* Specifications and design are subject to change without
notice for further improvement.

Clarion DRZ9255 Specifications

General

Brand	Clarion
Model	DRZ9255
Category	Car Receiver
Language	English

Summary

Specifications Overview

FM Tuner Section Specifications

Detailed specifications for FM reception.

AM Tuner Section Specifications

Detailed specifications for AM reception.

CD Player Section Specifications

Technical details of the CD playback mechanism.

Audio Section Specifications

Specifications related to audio processing and output.

DSP/DAC Section Specifications

Details on digital signal processing and digital-to-analog conversion.

General Specifications

Overall product characteristics like power supply and dimensions.

Important Notes

Important usage guidelines and disclaimers.

Components and Cautions

Component List (PE-2628B-A, PE-2628K-A)

List of parts included with the PE-2628B-A and PE-2628K-A models.

Repair and Safety Cautions

Essential safety guidelines for handling and repairing the unit.

System Checks and Error Handling

System Check Procedure

Steps to perform an initial system check after installation.

Error Display Troubleshooting

Common error codes and their resolutions for CD/DVD issues.

Wiring and Block Diagram

Wire Connections Diagram

Illustration of external connections for audio and power.

Audio Block Diagram

Overview of the internal signal flow for audio processing.

System Section Circuitry

Circuit Diagram Details

Specific circuit blocks and IC references within the system.

IC Pinout Explanations

System Controller IC (M30622MEP-161GP)

Detailed pinout and function of the main system controller IC.

IC Pinout Explanations

Audio DSP IC (AK7720A) Pinout

Pinout and function of the Audio DSP IC for sound processing.

IC Pinout Explanations

CD IC (TC94A15F) and I/O Expander (M66010GP)

Pin configurations for CD control and parallel data expansion ICs.

IC Pinout Explanations

Digital Interface Receiver (AK4112BVF) Pinout

Pinout and settings for the digital audio interface receiver.

IC Pinout Explanations

SRC and Volume Controller ICs

Pin details for Sample Rate Converter and Stereo Volume Controller ICs.

IC Pinout Explanations

SRAM, DA Converter, and Amplifier ICs

Pin descriptions for SRAM, DA converter, and various amplifiers.

Exploded View and Parts List

Main Section Assembly Diagram

Diagram showing the physical layout of the main unit components.

Exploded View and Parts List (Continued)

Main Section Parts List

Comprehensive list of parts for the main unit assembly.

Exploded View and Parts List (Continued)

DC-DC Converter and CD Mechanism Parts

Parts lists and diagrams for the DC-DC converter and CD mechanism.

Exploded View and Parts List (Continued)

Mechanical Parts Diagrams

Visual representation of various mechanical sub-assemblies and parts.

Electrical Parts List

Main PWB(B1) Components (Section 1/2)

Detailed list of electronic components on the Main PWB(B1) section 1/2.

Electrical Parts List (Continued)

Main PWB(B1) Components (Section 2/2)

Detailed list of electronic components on the Main PWB(B1) section 2/2.

Electrical Parts List (Continued)

Transistors and Resistors List

Listing of transistors and resistors used throughout the circuitry.

Electrical Parts List (Continued)

Inductors and Other Components List

Listing of inductors and other miscellaneous electronic components.

Circuit Diagrams

Main PWB-A(B1) Section 1/6

Circuit diagram for system control power supply and CD IF interface.

Circuit Diagrams (Continued)

Main PWB-A(B1) Section 2/6 (Tuner Block)

Detailed circuit diagram of the FM/AM tuner block.

Circuit Diagrams (Continued)

Main PWB-A(B1) Section 3/6 (AUX IN, Selector)

Circuit diagram for auxiliary input and selector functions.

Circuit Diagrams (Continued)

Main PWB-A(B1) Section 4/6 (DSP SRAM)

Circuit diagram for the Digital Signal Processor and SRAM block.

Circuit Diagrams (Continued)

Main PWB-A(B1) Section 5/6 (DAC, LPF)

Circuit diagram for Digital-to-Analog converter and Low-Pass Filter sections.

Circuit Diagrams (Continued)

Main PWB-B(B1) Section 6/6 (E-VOL, RCA)

Circuit diagram for electronic volume and RCA line output blocks.

Printed Wiring Board Layouts

Main PWB(B1) Section 1/2 Layout

Component layout for the Main PWB(B1) on the component side.

Printed Wiring Board Layouts (Continued)

Main PWB Layouts (Component & Solder Side)

Component and solder side layouts for Main PWB-A and Main PWB-B.

Circuit Diagrams (Continued)

Switch PWB(B2) Circuit Diagram

Circuit diagram for the switch control unit.

Printed Wiring Board Layouts (Continued)

Switch PWB(B2) Layout

Component and solder side layouts for the Switch PWB(B2).

Circuit Diagrams (Continued)

DC/DC PWB(B3) Circuit Diagram

Circuit diagram for the DC/DC power supply conversion unit.

Printed Wiring Board Layouts (Continued)

DC/DC PWB(B3) Layout

Component and solder side layouts for the DC/DC PWB(B3).

Printed Wiring Board Layouts (Continued)

CD PWB and LED PWB Layouts

Component and solder side layouts for CD and LED PWB assemblies.