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Philips 22RC026/00 User Manual

Philips 22RC026/00
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Car
CD
changer
22RC026/00
Service
Service
Service
Contents
Specifications
Service
Interface
cable
connections
Functional
explanation
Notes
regarding
CD
player
repairs
Notes
regarding
handling
of
the
pick-up
Pick-up
detail
Disassembly
IC
circuit
descriptions
and
IC
block
diagrams
Block
diagram
PCB
layout
/
connections
Circuit
diagram
1/3
Circuit
diagram
2/3
Circuit
diagram
3/3
Trouble
shooting
12VCP
19
20
and
23
21
22
24
25
Exploded
view
CD
changer
mechanism
/
Lubrication
overview
28
Mechanical
parts
Exploded
view
cabinet
parts
Cabinet
parts
and
accessories
Electrical
parts
=
29
30
31
31
COMPACT
LASER
PRODUCT
DIGITAL
AUDIO
Published
by
Philips
Car
Systems
9672
Printed
in
The
Netherlands
©Copyright
reserved
Subject
to
modification
(GB)
4822
725
25470
56
PHILIPS
PHILIPS
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Philips 22RC026/00 Specifications

General IconGeneral
BrandPhilips
Model22RC026/00
CategoryCD Player
Frequency Response20 Hz - 20 kHz
Disc PlaybackCD
Power Supply220V

Summary

Specifications

Service

Service Hints

Operational tips and precautions for servicing the unit.

Important Warnings

Critical safety and handling instructions for service personnel.

Interface Cable Connections

Functional Explanation

APC (Auto laser power control)

Controls laser power and ON/OFF via microcomputer.

RF Amplifier

Processes photo diode output current with AGC circuit.

SLC (Slice level control)

Controls EFM signal duty cycle to 50% via DSP.

Focus servo

Manages focus error signal, phase compensation, and search.

Tracking servo

Handles tracking error signal and servo response.

Sled servo

Controls sled response characteristic and feed.

Spindle servo

Maintains disc linear velocity with DSP servo circuit.

Functional Explanation (Continued)

TES, HFL (Traverse signal)

Ensures phase relation of HFL and TES during pickup transfer.

DRF (Beam level judgement)

Judges beam level based on EFM signal peak value.

In-focus judgement

Detects focus zero cross for in-focus condition.

DEFECT

Detects lack of EFM signal and triggers tracking servo changes.

Reset circuit

Describes cancellation of power-on reset when Vcc exceeds a threshold.

Mechanical Timing Diagrams

Pickup Handling and Details

Notes Regarding Handling of the Pickup

Precautions for touching and handling the pickup unit to prevent damage.

Pickup Detail

Diagram and pinout information for the pickup FPC connector.

Disassembly

Disassembly Steps

Step-by-step instructions for removing the cabinet, front panel, and mechanism.

CD Mechanism Disassembly

Feed Motor Removal

Procedure for removing the FEED MOTOR, MECHA-PANEL, and TOP CHASSIS.

Elevator Motor Removal

Procedure for removing the ELEVATOR MOTOR and associated gears.

CD Mechanism Disassembly (Continued)

Loading Motor Removal

Procedure for removing the LOADING MOTOR.

Pickup and Spindle Motor Removal

Procedure for removing the CD PCB, PICKUP, and SPINDLE MOTOR.

Spindle Motor Disassembly

Removing the Spindle Motor

Steps to remove the SPINDLE MOTOR, including screws and washers.

IC Circuit Descriptions

IC601 - LC78620E Terminal Functions

Detailed function explanation for each terminal of IC601.

IC Circuit Descriptions (Continued)

IC601 - LC78620E Terminal Functions (Cont'd)

Continues terminal function explanation for IC601.

IC Circuit Descriptions (Continued)

IC851 - MSM6307GS Terminal Functions

Detailed function explanation for each terminal of IC851.

IC Circuit Block Diagrams

IC851 MSM6307GS Block Diagram

Block diagram showing the internal structure and connections of IC851.

IC601 LC78620E Block Diagram

Block diagram illustrating the internal structure and connections of IC601.

IC Circuit Descriptions (Continued)

IC650 - LA9240MS Terminal Functions

Detailed function explanation for each terminal of IC650.

IC Circuit Descriptions (Continued)

IC650 - LA9240MS Terminal Functions (Cont'd)

Continues terminal function explanation for IC650.

IC651 - BA6999FP Terminal Functions

Detailed function explanation for each terminal of IC651.

IC Circuit Descriptions (Continued)

IC801 - LC66566B Terminal Functions

Detailed function explanation for each terminal of IC801.

IC Circuit Block Diagrams (Continued)

IC801 LC66566B Block Diagram

Block diagram illustrating the internal structure and connections of IC801.

IC701 PCM1710U Block Diagram

Block diagram showing the internal structure and connections of IC701.

IC Circuit Block Diagrams (Continued)

IC850 LB1644 Block Diagram

Block diagram illustrating the internal structure and connections of IC850.

IC501/IC551 Regulator Block Diagram

Block diagram showing the internal structure of IC501 and IC551.

System Block Diagram

Circuit Diagrams

Circuit Diagram - Digital Signal Processor

Schematic showing connections to the DSP and related converters.

Circuit Diagrams (Continued)

Circuit Diagram 1/3

Schematic diagram for the first part of the circuit, showing IC650 and IC651.

Circuit Diagrams (Continued)

Circuit Diagram 2/3

Schematic diagram for the second part of the circuit, showing IC601 and IC701.

Voltage Measurement Tables

Voltage Measurement Tables (Continued)

Trouble Shooting

Trouble Checking Flow Chart

Flowchart to diagnose problems based on symptoms and modes.

Trouble Mode A

Lists mechanical and sensor-related issues causing "E-" display.

Trouble Mode B

Lists issues related to disc change completion time and temperature.

Trouble Mode C

Lists specific circuits and points for disc turning, tracking, noise, etc.

Trouble Shooting Waveforms

Trouble Shooting Waveforms (Continued)

Exploded Views and Parts

Exploded View CD Changer Mechanism

Illustrated breakdown of the mechanism with part numbers and lubrication points.

Exploded Views and Parts (Continued)

Exploded View Cabinet Parts

Illustrated breakdown of the cabinet components and their assembly.

Exploded Views and Parts (Continued)

Mechanical Parts List

List of mechanical parts with reference numbers and descriptions.

Cabinet Parts and Accessories

Electrical Parts

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