928-998-12
Specifications
SELF-DIAGNOSIS Function
Items of Error History Mode Items and Contents
Flexible Circuit Board Repairing
AEP, UK
HK, SP, MY, AR, AUS, KR, JE
Exploded Views
Table of Contents
Disassembly
Diagrams
Removing the Indication Plate FL
Drawing OUT the Tray During Power OFF
Cleaning the Optical Pickup CD Player
Section Servicing Note
Service Position the Power Board
Change-over of AM tuner Step between 9kHz and 10kHz
Cold Reset
Hot Reset
LED and Fluorescent Indicator Tube All Lit, Key Check Mode
Error History Display Mode
Aging Mode
Reading the BD Error History Display
Reading the Mechanism Error History Display
JIG for Checking BD MD Board Waveform
IOP
TEO
Record Precedure
Main Board Component Side
Checks Prior to Parts Replacement and Adjustments
Forced Reset
REC/PLAY
Tuning +/MD/CD/TUNING +
Retry Cause Display Mode
Hexadecimal nBinary Conversion Table
Section General
Location of Parts and Controls
Front Panel
Page
Page
Case
Section Disassembly
Back Panel
Front Panel
CD Mechanism Deck
Main Board and Power Transformer
TRAY, Gear and CAM
CD Base Unit
Optical PICK-UP Section of CD KSS-213BA/F-NP
MD Mechanism Deck
BD CD BOARD, Spindle Motor M101 and Sled Motor M102
Set the shaft of Cam gear to
Spindle Motor M901 and Sled Motor M902 MD
Over Write Head Optical PICK-UP of MD KMS-260B/J1N
Exiting the Test Mode
Section Test Mode
Precautions for USE of Test Mode
Setting the Test Mode
Display Contents Mark Group
Selecting the Test Mode
OUT
Operating the Continuous Playback Mode
Non-Volatile Memory Mode EEP Mode
MID
Functions of Other Buttons
Test Mode Displays
Meanings of Other Displays
MD Section Parts Replacement and Adjustment
Section Electrical Adjustments
Creating Continuously Recorded Disc
Precautions for Checking Laser Diode Emissinon
Precautions for USE of Optical PICK- UP KMS-260B
Precautions for Adjustments
Specified Value
Temperature Compensation Offset Check
Laser Power Check
Checks Prior to Repairs
Self-Recording/playback Check
Play Checking MO Error Rate Check
CD Error Rate Check
Focus Bias Check
Recording and Displaying the IOP Information
Initial Setting of Adjustment Value
Temperature Compensation Offset Adjutment
Laser Power Adjustment
Check
Traverse Adjustment
Press the ENTER/YES R button, display EFB =
Focus Bias Adjustment
MO Auto Gain Control Output Level Adjustment
Error Rate Check
Auto Gain Control Output Level Adjustment
CD Auto Gain Control Output Level Adjustment
RF Level Check
Adjusting Points and Connecting Points
CD Section
Curve Check
Circuit Boards Location
HCD-MD373 Section Diagrams
HCD-MD373
Block Diagrams BD CD Section
REC
BD MD /2
D/A Converter
BD CD Section
Main Section
Main 3/3 Section
Waveforms BD CD Section
BD MD 1/2 Section
BD MD 2/2 Section
Printed Wiring Board BD CD Section
See page 40 for Circuit Boards Location
Main Board
Schematic Diagram BD CD Section
Semiconductor Location
Printed Wiring Board BD MD Section
Schematic Diagram BD MD /2
MD Digital Board
Schematic Diagram SP Section Printed Wiring Board SP Section
Printed Wiring Board Main Section
See page 68 for IC Block Diagrams
Schematic Diagram Main /3
HCD-MD373
HCD-MD373
See page 45 for Waveforms See page 67 for IC Block Diagrams
Schematic Diagram MD Digital Section
Printed Wiring Board MD Digital Section
Schematic Diagram AMP Section
Printed Wiring Board AMP Section
Schematic Diagram Panel Section
Printed Wiring Board Panel Section
Schematic Diagram Power Section
Printed Wiring Board Power Section
AEP, UK
Except AEP, UK Voltage Selector
Printed Wiring Board Loading Section
Schematic Diagram BD Switch Section
Printed Wiring Board BD Switch Section
Schematic Diagram Loading Section
BD MD Board 1/2 IC101 CXA2523AR
IC Block Diagrams
BD MD Board 2/2 IC121 CXD2654R
IC152 BH6511FS-E2
BD CD Board IC101 CXD2587Q
C103 CXA2568M-T6 MD Digital Board
IC153 LB1830M-S-TE-L
Main Board 3/3 IC171 LB1641
Main Board 1/3 IC302 MC14052B
Main Board 2/3 IC301 M62428AFP IC931 M62016L
IC PIN Functions
IC101 Digital Signal Processor CXD2587Q Bdcd board
Igen
Rfdc
Adio
AVSS0
IC101 RF Amplifier CXA2523AR Bdmd board
MNT3 Sloc
MNT0 FOK
MNT1 Shck
MNT2 Xbusy
Avss
Mvci
Avdd
RFI
Fgin
FS4
Sprd
Spfd
IC501 Master Control M30620ECFP-A21 Main board
ST-CE
CD-RESET
Stereo
Tuned
Case and Front Panel Section
Section Exploded Views
59 #3
Chassis Section
MD Mechanism Deck MDM-5A
113 110 107
125 126 106 105
MD Base Unit MBU-5A
CD Mechanism Deck CDM55A-5SBD32
258 251
CD Base Unit BU-5SBD32
255 256 257 253 254
252 254
CD Mechanism Deck CDM55C-5BD32
358 351
CD Base Unit BU-5BD32
355 356 357 353 354
352 354
Section Electrical Parts List AMP
AMP BD CD
BD CD BD MD
2SK1764KYTR Resistor
BD MD MD Digital
Inductor Chip
2SJ278MYTR
MD Digital Loading Main
Main
EP2
Ground Terminal
EP1
Terminal BOARD, Ground
Description Remark R402 249-417-11
Jack LINE-IN
Indicator TUBE, Fluorescent
Panel
Panel BOARD, Complete
Panel Power
SWITCH, Push 1 KEY
Switch Voltage Selestor
TRANSFORMER, SUB Power
PIN, Connector 7P
Hardware List
SCREW,PRECISION +P
Screw +B
Memo
HCD-MD373 Revision History