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Sharp CD-BK1600V - User Manual

Sharp CD-BK1600V
72 pages
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CD-BK1600V/1800V/190V
No. S5041CDBK1600
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
VOLTAGE SELECTION ..................................................................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 6
DISASSEMBLY.................................................................................................................................................................. 8
REMOVING AND REINSTALLING THE MAIN PARTS................................................................................................... 11
ADJUSTMENT ................................................................................................................................................................. 12
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 15
BLOCK DIAGRAM ........................................................................................................................................................... 16
SCHEMATIC DIAGRAM ...................................................................................................................................................20
WIRING SIDE OF P.W.BOARD........................................................................................................................................31
VOLTAGE ........................................................................................................................................................................ 39
WAVEFORMS OF CD CIRCUIT...................................................................................................................................... 40
TROUBLESHOOTING ..................................................................................................................................................... 41
FUNCTION TABLE OF IC................................................................................................................................................ 45
FL DISPLAY ......................................................................................................................................................................56
REPLACEMENT PARTS LIST/EXPLODED VIEW
CD-BK190V
In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-BK190V Video CD Mini System consisting of
CD-BK190V (main unit), CP-BK190 (front speakers) and
GBOXS0041AWM1 (surround speakers).
SHARP CORPORATION
CD-BK1800V
CD-BK1800V Video CD Mini System consisting of
CD-BK1800V (main unit), CP-BK1800 (front speakers) and
GBOXS0041AWM1 (surround speakers).
Illustration: CD-BK1600V
CD-BK1600V Video CD Mini System consisting of
CD-BK1600V (main unit) and CP-BK1600 (speaker system).
CD-BK1600V
NTSC/PAL
Illustration: CD-BK1800V
Illustration: CD-BK190V
VIDEO CD MINI SYSTEM
MODEL
MODEL
MODEL

Table of Contents

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Sharp CD-BK1600V Specifications

General IconGeneral
CategoryMedia Converter
ModelCD-BK1600V
ManufacturerSharp
Audio Output ModeStereo
Playable MediaCD
Frequency Response20 - 20000 Hz

Summary

SHARP Service Manual Overview

Model Introductions: CD-BK1600 V;1800 V;190 V

Introduces the various models covered in this service manual with illustrations.

Laser Safety and Voltage Selection

Laser Pickup Safety Precautions

Essential safety measures for handling the laser pickup during servicing.

Voltage Selection Guide

Instructions for selecting the correct voltage for the unit based on region.

Detailed System Specifications

Front Panel Controls and Display Identification

Rear Panel Ports and Speaker Identification

System Operation and Microcomputer Reset

Initial Setup: Power, Tuning, and Clock

Main Unit Disassembly Procedures

Internal Component Disassembly Details

Speaker System Component Removal

Tape Mechanism Component Servicing

CD Mechanism and Drive Adjustments

Tuner and CD System Adjustment Points

CD Operation Test Mode Procedures

Schematic Diagram Conventions and Notes

Block Diagram: CD Section Overview (1;4)

Block Diagram: Microphone Amplifier Section (2;4)

Block Diagram: Tuner and Audio Processor (3;4)

Block Diagram: Power Supply and Microcomputer (4;4)

Schematic Diagram: MPEG Controller Details (1;12)

Schematic Diagram: MPEG Decoder Details (2;12)

Schematic Diagram: Servo and Driver Circuits (3;12)

Schematic Diagram: Servo Control and CD Motor (4;12)

Schematic Diagram: Display and Tape Mechanism PWB (5;12)

Schematic Diagram: Main PWB and Controls (6;12)

Schematic Diagram: Audio Processor and Tape Circuits (7;12)

Schematic Diagram: Karaoke, Tuner, and Power Connections (8;12)

Schematic Diagram: Power Amplifier and Voltage Regulators (9;12)

Schematic Diagram: FM;AM Signal Path and Power Transformer (10;12)

Schematic Diagram: Tuner Circuitry Details (11;12)

Karaoke PWB Schematic and Wiring Diagram (12;12)

Wiring Diagram: Headphones PWB and Interconnections (2;8)

Wiring Diagram: CD Video PWB Connections (3;8)

Wiring Diagram: Display PWB Layout (4;8)

Wiring Diagram: Main PWB and Controls Layout (5;8)

Wiring Diagram: CD Video PWB Bottom View (6;8)

Wiring Diagram: CD Motor and Pickup Unit Wiring (7;8)

Wiring Diagram: Tape Mechanism and Power Input (8;8)

Voltage Measurement Reference Table

CD Circuit Waveform Analysis

General CD Troubleshooting Guide

Focus-HF System Troubleshooting Steps

Tracking and Spin System Troubleshooting

PLL System and Audio Output Troubleshooting

Integrated Circuit Function Tables

IC1 Pinout and Functions: Servo Amplifier

Details pin assignments and functions for the LA9235M Servo Amplifier IC.

IC2 Pinout and Functions: Servo;Signal Control

Details pin assignments and functions for the LC78636E Servo/Signal Control IC.

IC2 Pinout and Functions: Servo;Signal Control (1;2)

IC2 Pinout and Functions: Servo;Signal Control (2;2)

IC701 Pinout and Functions: System Microcomputer (1;2)

IC701 Pinout and Functions: System Microcomputer (2;2)

IC3 Pinout and Functions: Focus;Tracking Driver

Lists pin assignments and functions for the M63001FP IC, which drives focus, tracking, spin, and sled motors.

IC401 Function Block Diagram: Audio Processor

ICV1 Pinout and Functions: MPEG Controller

ICV2 Pinout and Functions: MPEG Decoder (1;2)

ICV2 Pinout and Functions: MPEG Decoder (2;2)

ICV3 Pinout and Block Diagram: DRAM

ICV4 Pinout and Block Diagram: Video Amplifier

FL Display Pin Assignments and Characters

Replacement Parts Ordering and Component Codes

Parts List: Integrated Circuits, Transistors, and Diodes

Parts List: Capacitors

Parts List: Resistors (Part 1)

Parts List: Resistors (Part 2)

Parts List: Switches, Connectors, and Mechanical Parts

Parts List: Buttons, Covers, and Accessories

Speaker Parts and Packing Lists

CD Mechanism Exploded View

Cabinet Exploded View (1;2)

Cabinet Exploded View (2;2)

Speaker Exploded View: CP-BK1600;190 (1;3)

Speaker Exploded View: CP-BK1800 (2;3)

Speaker Exploded View: GBOXS0041 AWM1 (3;3)

Copyright and Manufacturer Information

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