HHB CDR-850 Service Manual

FOR U.S. MODELS
NECESSARY INFORMATION FOR DHHS
RULES MARKED ON THE REAR BASE AND ON
THE TOP OF CD MECHANISM AS BELOW.
DANGER – LASER RADIATION WHEN OPEN.
AVOID DIRECT EXPOSURE TO BEAM.
THIS MANUAL IS APPLICABLE TO THE
FOLLOWING MODEL(S) AND TYPE(S).
Type
Model
Power Requirement Remarks
CDR-850
KU/CA AC120V
MY AC220-230V

HHB CDR-850 Specifications

General

Brand	HHB
Model	CDR-850
Category	Recording Equipment
Language	English

Summary

PROFESSIONAL COMPACT DISC RECORDER CDR-850

1. SAFETY INFORMATION

SAFETY PRECAUTIONS AND NOTICES

Covers essential safety checks, warnings, and product safety notices.

LABEL CHECK

DANGER LASER RADIATION WHEN OPEN

Warning about laser radiation exposure when the unit is open.

IMPORTANT PIONEER APPARATUS CONTAINS LASER OF CLASS III b

Specifies laser class and requirement for expert servicing.

2. EXPLODED VIEWS AND PARTS LIST

3. SCHEMATIC DIAGRAM

OVERALL CONNECTIONS AND SUB-ASSEMBLIES

Shows interconnections between major assemblies.

4. PCB CONNECTION DIAGRAM

5. PCB PARTS LIST

WHOLE PCB ASSEMBLIES AND MAJOR COMPONENTS

6. ADJUSTMENT PROCEDURES

TEST MODE OPERATION

LASER DIODE POWER ADJUSTMENTS

Procedures for adjusting laser diode power for playback and recording.

SERVO SYSTEM ADJUSTMENTS

Procedures for focus, tracking, and bias servo system adjustments.

7. GENERAL INFORMATION

DIAGNOSIS AND ERROR CODE REFERENCE

Troubleshooting guide with error codes and their meanings.