Sony HCDCL-5-MD Service manual

HCD-CL5MD

SERVICE MANUAL

Ver 1.0 2001. 02

HCD-CL5MD is the tuner, deck, CD, MD and amplifier section in CHC-CL5MD.

Model Name Using Similar Mechanism NEW

SECTION

TAPE DECK

SECTION

CD Mechanism Type CDM63B Base Unit Type BU-30BD61 Optical Pick-up Type A-MAX.3 Model Name Using Similar Mechanism HCD-ZX50MD MD Mechanism Type MDM-7B Optical Pick-up Type KMS-260B/K1NP Model Name Using Similar Mechanism NEW T ape Transport Mechanism T ype TCM-230ASR41CL

AEP Model

UK Model

E Model

Australian Model

Amplifier section

AEP model: DIN power output (Rated):40 + 40 watts

Continuous RMS power output (Reference):

Music power output (Reference):

Other models: DIN power output (Rated):40 + 40 watts

Continuous RMS power output (Reference):

Inputs VIDEO (AUDIO) IN (phono jacks):

(6 ohms at 1 kHz, DIN) 50 + 50 watts

(6 ohms at 1 kHz, 10% THD)

95 + 95 watts (6 ohms at 1 kHz, 10% THD)

(6 ohms at 1 kHz, DIN) 50 + 50 watts

(6 ohms at 1 kHz, 10% THD)

voltage 250 mV, impedance 47 kilohms

SPECIFICATIONS

CD DIGITAL IN (Supported sampling frequencies: 32 kHz, 44.1 kHz and 48 kHz) Outputs PHONES (stereo minijack):

SPEAKER: accepts impedance of 6 to

CD player section

System Compact disc and digital Laser Semiconductor laser

Laser output Max. 44.6 µW*

Frequency response 20 Hz – 20 kHz (±0.5 dB)

MICRO HiFi COMPONENT SYSTEM

accepts headphones of 8 ohms or more.

16 ohms.

audio system (λ=780 nm)

Emission duration: continuous

* This output is the value

measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block with 7 mm aperture.

— Continued on next page —

9-929-583-11

Sony Corporation

Audio Entertainment Group General Engineering Dept.

HCD-CL5MD

MD deck section

System MiniDisc digital audio Laser Semiconductor laser

Sampling frequency 44.1 kHz Frequency response 20 Hz – 20 kHz (±0.5 dB)

Tape deck section

Recording system 4-track 2-channel stereo Frequency response 40 – 13,000 Hz (±3 dB),

Tuner section

FM stereo, FM/AM superheterodyne tuner FM tuner section Tuning range 87.5 – 108.0 MHz

Aerial FM lead aerial Aerial terminals 75 ohms unbalanced Intermediate frequency 10.7 MHz AM tuner section

Tuning range AEP model: 531 – 1,602 kHz

Other models: 531 – 1,602 kHz

Aerial AM loop aerial Intermediate frequency 450 kHz

system (λ=780 nm)

Emission duration: continuous

using Sony TYPE I cassettes

(50 kHz step)

(with the interval set at 9 kHz)

(with the interval set at 9 kHz) 530 – 1,710 kHz (with the interval set at 10 kHz)

External aerial terminals

General

Power requirements AEP model: 230 V AC, 50/60 Hz Australian and New Zealand models:

Other models: 120 V, 220 V, 230 – 240

Power consumption AEP model: 100 watts

Other models: 100 watts Dimensions (w/h/d) incl. projecting parts and controls Amplifier/Tuner/Tape/MD/CD section:

Speaker: Approx. 210 × 285 × 260 Mass

Amplifier/Tuner/Tape/MD/CD section:

Design and specifications are subject to change without notice.

230 – 240 V AC, 50/60 Hz

V AC, 50/60 Hz Adjustable with voltage selector

0.5 watts (at the Power Saving Mode)

Approx. 215 × 285 × 421 mm

Approx. 8.6kg

HCD-CL5MD

SELF-DIAGNOSIS FUNCTION

The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes w hich show the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the following box in the instruction manual. For details on how to check error codes during servicing, refer to the following “Procedure for using the Self- Diagnosis Function (Error History Display Mode)”.

Self-diagnosis display

This system has a Self-diagnosis display function to let you know if there is a system malfunction. The display shows a code made up of three letters and a message alternately to show you the problem. To solve the problem refer to the following list. If any problem persists, consult your nearest Sony dealer.

C11/Protected

The MD is protected against erasure. cRemove the MD and slide the tab to close the

slot (Refer to Operating Instruction on page 17).

C12/Cannot Copy

You tried to record a CD or MD with a format that the system does not support, such as a CD-ROM.

cRemove the disc and turn off the system once,

then turn it on again.

C13/REC Error

Recording could not be performed properly. cMove the system to a stable place, and start

recording over from the beginning.

The MD is dirty or scratched, or the MD does not meet the standards.

cReplace the MD and start recording over from

the beginning.

C13/Read Error

The MD deck cannot read the disc information properly.

cRemove the MD once, then insert it again.

C14/Toc Error

The MD deck cannot read the disc information properly.

cReplace the MD. cErase all the recorded contents of the MD using

the All Erase function (Refer to Operating Instruction on page 27).

C41/Cannot Copy

The sound source is a copy of a commercially available music software, or you tried to record a CD-R (Recordable CD).

cThe Serial Copy Management System prevents

making a digital copy (Refer to Operating Instruction on page 48). You cannot record a CD-R.

E0001/MEMORY NG

There is an error in the internal data that the system needs in order to operate.

cConsult your nearest Sony dealer.

E0101/LASER NG

There is a problem with the optical pickup. cThe optical pickup may have failed. Consult your

nearest Sony dealer.

Procedure for using the Self-Diagnosis Function (Error History Display Mode). Note: Perform the self-diagnosis function in the “error history display mode” in the test mode. The following describes the least required

procedure. Be careful not to enter other modes by mistake. If other modes are entered accidentally, press the MENU/NO button to exit the mode.

1. Connect the mains lead to the mains while pressing the DIMMER , FUNCTION , and x buttons together, then release the DIMMER, FUNCTION , and x buttons simultaneously. While the test mode is set. “[Check]” will be displayed.

2. Move ./> left and right to display “[Service]” and press the ENTER/YES button.

3. Move ./> left and right to display “Err Display”.

4. Press the ENTER/YES button to enter the error history mode. “op rec tm” will be displayed.

5. Select the item to be displayed or executed using ./> .

6. Press the REC MODE button to display the selected item.

7. Press the REC MODE button another time to return to step 4.

8. Pressing the MENU/NO button displays “Err Display” and exits the error history display mode.

9. To exit the test mode, press the REPEAT button. This sets the standby state and ends the test mode.

HCD-CL5MD

ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS

Selecting the Test Mode

Display

op rec tm

op play tm

spdl rp tm

retry err

total err

err history

retry adrs

History

Displays the total recording time. When the total recording time is more than 1 minute, displays the hour and minute When less than 1 minute, displays “Under 1 min” The display time is the time the laser is set to high power, which is about 1/4 of the actual recording time.

Displays the total playback time. When the total playback time is more than 1 minute, displays the hour and minute When less than 1 minute, displays “Under 1 min”

Displays the total rotating time of the spindle motor. When the total rotating time is more than 1 minute, displays the hour and minute When less than 1 minute, displays “Under 1 min”

Displays the total number of retry errors during recording and playback Displays “r xx p yy”. xx is the number of errors during recording. yy is the number of errors during playback. This is displayed in hexadecimal from 00 to FF.

Displays the total number of errors Displays “total xx”. This is displayed in hexadecimal from 00 to FF.

Displays the past ten errors. Displays “0x ErrCd@@”. X is the history number. T he younger the number , the more recent is the history (00 is the latest). @@ is the error code. Select the error history number using ./> .

Displays the past five retry addresses. Displays “xx ADRS yyyy”, xx is the history number, yyyy is the cluster with the retry error. Select the error history number using ./> .

er refresh

op change

spdl change

Mode for erasing the error and retry address histories Procedure

1. Press the REC MODE button when displayed as “er refresh”.

2. Press the ENTER/YES button when the display changes to “er refresh?”. When “complete!” is displayed, it means erasure has completed. Be sure to check the following after executing this mode. *Data has been erased. *Perform recording and playback, and check that the mechanism is normal.

Mode for erasing the total time of op rec tm, op play tm. These histories are based on the time of replacement of the optical pick-up. If the optical pick-up has been replaced, perform this procedure and erase the history. Procedure

1. Press the REC MODE button when displayed as “op change”.

2. Press the ENTER/YES button when the display changes to “op change?”. When “Complete!” is displayed, it means erasure has completed.

Mode for erasing the total spdl rp tm time These histories are based on the time of replacement of the spindle motor. If the spindle motor has been replaced, perform this procedure and erase the history. Procedure

1. Press the REC MODE button when displayed as “spdl change”

2. Press the ENTER/YES button when the display changes to “spdl change?” When “Complete!” is displayed, it means erasure has completed.

Table of Error Codes

HCD-CL5MD

Error Code

10 12 20 21 22 23 24 30 31 40 41 42 43 50 51

Description

Could not load Loading switches combined incorrectly Timed out without reading the top of PTOC Could read top of PTOC, but detected error Timed out without accessing UTOC Timed out without reading UTOC Error in UTOC Could not start playback Error in sector Retry cause generated during normal recording Retried in DRAM overflow Retry occurred during TOC writing Retry aborted during S.F editing Other than access processing, and could not read address. Focus NG occurred and overran.

HCD-CL5MD

1. SERVICING NOTES ······················································· 7

2. GENERAL ·········································································· 9

3. DISASSEMBLY

3-1. Top Panel, Side Panel ·················································· 11 3-2. Cassette Mechanism ···················································· 12 3-3. Front Panel ·································································· 12 3-4. Panel Board ································································· 13 3-5. MD Mechanism ··························································· 13 3-6. Over Light Head (HR901), BD (MD) Board ·············· 14 3-7. Holder Assy ································································· 14 3-8. Loading Motor Assy (M103)······································· 15 3-9. Sled Motor Assy (M102) ·············································15 3-10.MD Optical Pick-Up (KMS-260B/K1NP) ·················· 16 3-11.Spindle Motor Assy ····················································· 16 3-12.Back Panel, Main Board··············································17 3-13.Amp Board, Power Transformer ································· 17 3-14.CD Mechanism ···························································· 18 3-15.Relay Board ································································· 18 3-16.CD Base Unit (BU-30BD61) ······································ 19 3-17.CD Optical Pick-Up (A-MAX.3) ································ 19 3-18.BD (CD) Board ··························································· 20 3-19.Driver Board ································································ 20 3-20.Fitting Base (Stabilizer) Assy, Tray Assy ···················· 21 3-21.Tray Sensor Board ······················································· 21 3-22.Slider (Loading), Gear (Slider) ··································· 22 3-23.Stocker Assy ································································ 22 3-24.Disc Sensor Board ······················································· 23 3-25.IN OUT SW Board ······················································ 23 3-26.Motor Assy (M721), Motor Board ······························ 24

4. TEST MODE ···································································· 25

5. MECHANICAL ADJUSTMENTS ····························· 30

6. ELECTRICAL ADJUSTMENTS ······························· 30

7. DIAGRAMS

7-1. Circuit Boards Location ·············································· 45

7-2. Block Diagram

CD Section ·································································· 47 MD Section ································································· 48 Syscon Section ···························································· 49

Main Section ······························································· 50 7-3. Printed Wiring Board Main Section ··························· 51 7-4. Schematic Diagram Main Section (1/2) ····················· 52 7-5. Schematic Diagram Main Section (2/2) ····················· 53 7-6. Schematic Diagram CD Section ································· 54 7-7. Printed Wiring Board CD Section ······························ 55 7-8. Schematic Diagram Driver Section ···························· 56 7-9. Printed Wiring Board Driver Section ························· 57 7-10.Schematic Diagram MD Section (1/2) ······················· 58 7-11.Schematic Diagram MD Section (2/2) ······················· 59 7-12.Printed Wiring Board MD Section ····························· 60 7-13.Printed Wiring Board Digital Section ························ 61 7-14.Schematic Diagram Digital Section (1/2) ·················· 62 7-15.Schematic Diagram Digital Section (2/2) ·················· 63 7-16.Schematic Diagram TC Section ································· 64 7-17.Printed Wiring Board TC Section······························· 65 7-18.Schematic Diagram AMP Section······························66 7-19.Printed Wiring Board AMP Section ··························· 67 7-20.Schematic Diagram Panel Section ····························· 68 7-21.Printed Wiring Board Panel Section··························· 69 7-22.Schematic Diagram Trans Section ····························· 70 7-23.Printed Wiring Board Trans Section ··························· 71 7-24.Schematic Diagram Power Section ···························· 72 7-25.Printed Wiring Board Power Section ························· 73 7-26.IC Pin Functions ·························································· 75 7-27.IC Block Diagrams ······················································ 85

8. EXPLODED VIEWS

8-1. Side Panel, Back Panel Section ··································· 89 8-2. Front Panel Section ····················································· 90 8-3. Chassis Section ···························································· 91 8-4. MD Mechanism Deck Section-1 ································· 92 8-5. MD Mechanism Deck Section-2 ································· 93 8-6. CD Mechanism Deck Section-1 ·································· 94 8-7. CD Mechanism Deck Section-2 ·································· 95 8-8. Base Unit Section ························································ 96

9. ELECTRICAL PARTS LIST ······································· 97

SECTION 1

SERVICING NOTES

HCD-CL5MD

NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT

The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care.

FOR CD

NOTES ON LASER DIODE EMISSION CHECK

The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pickup block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens.

FOR MD

NOTES ON LASER DIODE EMISSION CHECK

Never look into the laser diode emission from right above when checking it for adjustment. It is feared that you will lose your sight.

Laser component in this product is capable of emitting radiation exceeding the limit for Class 1.

MODEL IDENTIFICATION – Back Panel –

Model

AEP, UK models Australian model

Other models

Power Voltage Indicator

Pow er V oltage

Incdication

AC: 230 V 50/60 Hz 100 W

AC: 230 – 240V 50/60 Hz 100 W

AC: 120 V, 220 V, 230 – 240V

50/60 Hz 100 W

This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior.

This caution label is located inside the unit.

CAUTION

Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

Notes on chip component replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

To inspect the printed circuit boards, use the following jigs.

• Extension jig to inspect the DIGITAL board Jig for extension between DIGITAL board CN1001 and MAIN

board CN701 Part code number: J-2501-019-A 1 pc 25 pins with 1.25 mm

• Extension jig to inspect the BD (CD) board (RELAY board) Jig for extension between RELAY board CN2 and MAIN board

CN201 Part code number: J-2501-019-A 1 pc 25 pins with 1.25 mm

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY .

Flexible Circuit Board Repairing

• Keep the temperature of soldering iron around 270˚C during repairing.

• Do not touch the soldering iron on the same conductor of the circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering or unsoldering.

HCD-CL5MD

JIG FOR CHECKING BD (MD) BOARD WAVEFORM

The special jig (J-2501-196-A) is useful for checking the waveform of the BD (MD) board. The names of ter minals and the checking items to be performed are shown as follows.

GND : Ground I+3V : For measuring IOP (Check the deterioration of the optical pick-up laser) IOP : For measuring IOP (Check the deterioration of the optical pick-up laser) TE : TRK error signal (Traverse adjustment) VC : Reference level for checking the signal RF : RF signal (Check jitter) FE : Focus error signal

I+3V

GND

IOP

I+3V

IOP

GND

FE VC RF

CN105

I+3V Iop GND TE FE VC RF

for

MDM-7B

SECTION 2

GENERAL

HCD-CL5MD

This section is extracted from instruction manual.

wh wg

wd ws wa

12345

qgqhqk

9 0 qa

qs qd

wh wg

wf wd

ws wa

ql qk

1234

5 6 7

8 9 0 qa qs

qf qg

BASS/TREBLE wf (40) CD 1 – 3 qj (11) CD 1 – 3 Z qj (9) CD disc tray qk (9) CD NX qs (9) DIMMER 5 (7) DISPLAY wg (8, 12, 16) Display window 3 ENTER/START ws (17, 38) ENTER/YES 7 (8, 11, 15, 20,

25, 34, 42) FUNCTION qh (9, 14, 17, 25, 37) GROOVE w; (40) MD insertion slot wd (14) MD REC ws (19) MD NX qf (14) MENU/NO 6 (24) MUSIC MENU wf (41)

BUTTON DESCRIPTIONS

?/1 1 ./> 4 Z 9 x 0 m/M wf

+/– wf

PHONES jack qd PLAY MODE/DIRECTION wa

(9, 14, 17, 37) REC MODE ws (20) Remote sensor wh REPEAT ql (10, 14) STEREO/MONO ql (35) SYNCHRO MODE ws (17) Tape deck lid 2 ( 37) TAPE REC PAUSE/START ws

(39) TAPE nN qg (37) TUNER/BAND qa (34) VOLUME 8

CHECK 8 (11, 15) CLEAR qs (11, 15) CLOCK/TIMER SELECT 2

(42)

CLOCK/TIMER SET 3

(8, 42) DBFB wh (40) DIMMER wd (7) DISC SKIP 9 (10) DISPLAY qk (8, 12, 16) ENTER/YES qa (8, 11, 15, 20,

25, 34, 42) FUNCTION qg (9, 14, 17, 25, 37) GROOVE qh (40) MENU/NO wa (24) MUSIC MENU 6 (41)

BUTTON DESCRIPTIONS

@/1 4 N q; x q; X q; M qd > qf . ql m w;

NAME EDIT/CHARACTER ws

(12, 25, 36) REPEAT 7 (10, 14) SCROLL wg (13, 26) SLEEP 1 (41) SURROUND 5 (40) TUNER/BAND wf (34) VOL +/– qj

HCD-CL5MD

Setting the time

Turn on the system.

Press CLOCK/TIMER SET on the remote.

Proceed to step 5 when you set the clock for the first time.

Turn ./> (or press . or > on the remote) to select “CLOCK SET?”.

Press ENTER/YES.

Turn ./> (or press . or > on the remote) to set the hour.

Press ENTER/YES or M.

The minute indication flashes.

Turn ./> (or press . or > on the remote) to set the minute.

Press ENTER/YES.

The clock starts working.

If you made a mistake

Press m or M repeatedly until the incorrect item flashes, then set it again.

To change the preset time

Start over from step 1.

Saving the power in standby mode

Press DISPLAY repeatedly when the system is off. Each time you press the button, the system switches cyclically as follows:

Demonstration t Clock display t Power Saving Mode

To cancel the Power Saving Mode

Press DISPLAY once to show the demonstration, twice to show the clock displa

Tip

?/1 indicator lights up even in the Power Saving Mode.

SECTION 3

DISASSEMBLY

• The equipment can be removed using the following procedure.

Set Top panel, Side panel

HCD-CL5MD

Cassette mechanism Front panel

Panel board

MD mechanism Over light head (HR901),

BD (MD) board Holder assy Loading motor assy (M103)

Sled motor assy (M102) MD optical pick-up

(KMS-260B/K1NP) Spindle motor assy

Back panel, Main board

Amp board, Power transformer

Note : Follow the disassembly procedure in the numerical order given.

3-1. TOP PANEL, SIDE PANEL

Note: Attach it so that it pressed down

the Main board.

Screw

(

Side panel (L) (Remove in the direction of the arrow)

Four screws

(

CASE 3 TP2)

Two screws

(

HEXAGON

SOCKET TAPPING

+BVTT 3 × 8

)

Connector (CN305)

CD mechanism Relay board

CD base unit (BU-30BD61) CD optical pick-up

(A-MAX.3) BD (CD) board

D.C. Fan

Connector (CN904)

Driver board Fitting base (stabilizer) assy,

Tray assy Tray sensor board

Slider (loading), Gear (slider) Stocker assy

Disc sensor board IN OUT SW board Motor assy (M721), Motor board

Top panel (Remove in the direction of the arrow)

Flact cable (9 core)

(CN304)

Screw

(

+BVTT 3 × 8

Two screws

(

+BVTP 3 × 8

Two screws

(

+BVTT 3 × 8

4 Heat sink,

Screw

(

+BVTT 3 × 8

)

cover

)

Side panel (R) (Remove in the direction of the arrow)

Four screws

(

CASE 3 TP2)

HCD-CL5MD

)

3-2. CASSETTE MECHANISM

Two screws

+BVTP 3 × 8

(

TC board

)

Two screws

Flat cable (9 core)

Cassette mechanism dec

Bracket

(Cassette mechanism)

Screw

(

3-3. FRONT PANEL

Connector

+BVTP 2.6 × 8

)

Three s

(

+BVTP 2.6 × 8

Front panel

(

Two screws

(

+BVTP 2.6 × 8

crews

)

Screw

+BVTP 3 × 8

(

)

Screw

+BVTP 3 × 8

Screw

+BVTP 2.6 × 8

(

F/R belt

Main belt

Motor

)

Two screws

(

HEXAGON

SOCKET TAPPING

Screw

(

+BVTP 3 × 8

)

Flact cable (25 core)

(CN701)

Connector

(CN701)

Screw

(

+BVTP 3 × 8

HCD-CL5MD

3-4. PANEL BOARD

Nut

Panel board

Two screws

(+BVTP

2.6 × 8

Six screws

(

+BVTP 2.6 × 8

)

Ring SW board

Shield (MD)

)

Four screws

(

+BVTP 2.6 × 8

)

Eight screws

(

+BVTP 2.6 × 8

Two screws

(

+BVTP 3 × 8

Two screws

(

+BVTP 2.6 × 8

MD mechanism

)

Knob (vol)

3-5. MD MECHANISM

Two screws

(

+BVTTWH M3

MD mechanism

(MDM-7B)

Two screws

(

Two insulators

)

+BVTP 3 × 8

)

Flat cable (17 core)

(CN103)

Digital board

Flat cable (27 core)

(CN102)

Two screws

(

+BVTTWH M3

Two insulators

)

HCD-CL5MD

3-6. OVER LIGHT HEAD (HR901), BD (MD) BOARD

Over light head (HR901)

4 Remove the solder (four portions).

Screw (

P 1.7 × 6)

4 Remove the solder (five portions).

3-7. HOLDER ASSY

Screw (

5 Holder assy

2 × 6)

BD (MD) board

Flexible board (CN101)

2 Claw

Connector (CN104)

1 Tension spring (holder)

3-8. LOADING MOTOR ASSY (M103)

)

Two s

crews (+

PWH1.7 × 3.5)

Loading motor assy (M103)

Belt

(loading

HCD-CL5MD

)

3-9. SLED MOTOR ASSY (M102)

1 T wo s

crews (

CZN2 × 6)

4 Slider (EJ)

2 Guide (L)

7 Slider

8 Lever (CHG)

6 Claw

9 T wo s

5 Lever (head)

crews (+

PWH1.7 × 3.5)

q; Sled motor assy (M102

HCD-CL5MD

)

3-10. MD OPTICAL PICK-UP (KMS-260B/K1NP)

Flexible PWB

SL base

Screw (+

P1.7 × 6)

MD Optical pick-up (KMS-260B/K1NP)

Main shaft

Two s

crews (

+KPT2 × 6)

Screw (

CZN2 × 6

Screw (

M1.7, T APPING)

3-11. SPINDLE MOTOR ASSY

3 Gear

(SD)

Base (BU-A)

2 Spindle motor assy (M101)

1 Three s

crews (

M1.7, T APPING

3-12. BACK PANEL, MAIN BOARD

)

Flat cable (15 core) (CN502)

Main board

Tuner

Back panel

Blacket (Heat sink)

Two screws

+BVTP 3 × 8

(

Two screws

(

+BVTP 3 × 8

Thirteen screws

(

+BVTP 3 × 8

HCD-CL5MD

)

3-13. AMP BOARD, POWER TRANSFORMER

Four screws

(+BVTT 4

Power

transformer

Connector

(CN902)

Three screws

(

Connector

(CN901)

+BVTP 3 × 8

Connector (CN701)

Two screws

+BVTP 3 × 16

(

)

(+BVTP 3

Two screws

Amp board

Main board

Two connector (CN101, CN251

Two screws

(

+BVTP 3 × 8

Heat sink

)

Cord bushing

Sub power board

HCD-CL5MD

3-14. CD MECHANISM

CD mechanism deck

(CDM63B)

Two screws

(

+BVTP 3 × 8)

3 Chassis assy

Four screws

(

+BVTP 3 × 8

)

3-15. RELAY BOARD

Three screws

(

+BVTP 3 × 8

Note: When installing the CD mechanism, the four bosses

must be aligned with the specified positions.

)

3 RELAY board

1 Flat cable (21 core)

(CN792)

2 Two

Screws

(

+BTTP M2.6

)

3-16. CD BASE UNIT (BU-30BD61)

)

qa CD base unit

(BU-30BD61)

HCD-CL5MD

q; Insulator

9 Cone coil spring

8 Floating screw (DIA.12)

q; Two Insulators

4 Two coil springs (Insulators)

3 Two stoppers

2 Two screws (BVTP2.6 × 8)

3-17. CD OPTICAL PICK-UP (A-MAX.3)

3 MD Optical pick-up (A-MAX.3)

q; Insulator

7 Coil spring (Insulator)

6 Washer

5 Floating screw (PTPWH M2.6

1 Flat cable (22 core)

(CN101)

1 Flat cable (16 core)

2 Sled shaft

HCD-CL5MD

3-18. BD (CD) BOARD

3 BD (CD) board

4 Gear (LA)

5 Gear (LB)

1 Flat cable (16 core) (CN102)

2 Remove the solder

(four portions).

3-19. DRIVER BOARD

3 DRIVER board

1 Connector (CN703)

1 Connector (CN704)

1 Connector (CN702)

2 Screw (BTTP M2.6)

1 Connector (CN705)

3-20. FITTING BASE (STABILIZER) ASSY, TRAY ASSY

2 Two screws (+BTTP M2.6)

4 Two screws (+BTTP M2.6)

5 TRAY SENSOR board

1 Rotate the cam,

and lift up the stocker at the full.

Stocker

6 HOLDER (SENSOR)

Cam

HCD-CL5MD

5 Tray assy

1 Two screws (+BTTP M2.6)

4 Fitting base (STABILIZER) assy

1 Two screws (+BTTP M2.6)

3-21. TRAY SENSOR BOARD

3 Three bosses

HCD-CL5MD

3-22. SLIDER (LOADING), GEAR (SLIDER)

3 Two screws (+BTTP M2.6)

6 Slider (LOADING)

4 Bracket (retainer)

5 Floating screw

2 Bracket (retainer)

1 Two screws (+BTTP M2.6)

8 Two gears (SLIDER)

7 Two floating screws

3-23. STOCKER ASSY

3 Stocker assy

1 Screw (+BTTP M2.6)

2 Slide the slider (BU.L),

slider (BU.R) in the direction of

arrow A at the full.

1 Screw (+BTTP M2.6)

3-24. DISC SENSOR BOARD

2 CD base unit assy

4 DISC SENSOR board

HCD-CL5MD

3 Two screws (+BTTP M2.6)

3-25. IN OUT SW BOARD

2 Two screws (+BTTP M2.6)

3 IN OUT SW board

1 Connector (CN704)

HCD-CL5MD

3-26. MOTOR ASSY (M721), MOTOR BOARD

1 Belt

2 Connector (CN702)

7 Motor assy (M721)

4 Two screws (+BTTP M2.6)

Motor board bottom view

3 Remove two solders.

5 Motor board

SECTION 4

TEST MODE

HCD-CL5MD

[CD Ship Mode]

• This mode moves the optical pick-up to the position durable to vibration. Use this mode when returning the set to the customer after repair.

Procedure:

1. Press ?/1 button to turn the set ON.

2. Press CD 1 button and FUNCTION button simultaneously.

3. After the “STANDBY” display blinks six times, a message

“LOCK” is displayed on the fluorescent indicator tube, and the CD ship mode is set.

[GC Test Mode]

• This mode is used to check the software version, FL tube, LED, keyboard and VACS.

Procedure:

1. Press three buttons x , DISPLAY , and CD 2 simultaneously.

2. LEDs and fluorescent indicator tube are all turned on.

3. When you want to enter the software version display mode,

press CD 1 . The model number and destination are displayed.

4. Each time CD 1 is pressed, the display changes starting from

MC version, GC version, CD version, CDD version, CDM version, BD version, ST version, TA version, TM version, TC version and MD version in this order , and returns to the model number and destination display.

5. Press CD 2 button, and the key check mode is activated.

6. In the key check mode, the fluorescent indicator tube displays

“K 0 J 0 V 0”. Each time a button is pressed, “K 0” value increases. However, once a button is pressed, it is no longer taken into account. “V 0” value increases like 1, 2, 3 ... if rotating V OLUME knob in “+” direction, or it decreases like 0, 9, 8 ... if rotating in “–” direction.

7. Also when CD 3 is pressed after lighting of all LEDs and FL

tubes, value of VACS appears.

8. T o e xit from this mode, press three b uttons in the same manner

as step 1, or disconnect the power cord.

[MC Test Mode]

• This mode is used to check operations of the respective sections

of Amplifier, Tuner, CD and Tape.

Procedure:

1. Press the ?/1 button to turn on the set.

2. Press the three buttons of x , DISPLAY and CD 3

simultaneously.

3. The “VOLUME” segment flashes.

4. Every pressing of BASS/TREBLE f changes the displays in

the order of

“GEQ MIN”t“GEQ FLAT”t“GEQ MAX”

9. When x button is pressed to stop recording, the Tape (Deck) B is selected and tape is rewound using the m button, tape is rewound, tape is stops at around the record-starting position and playback of the recorded portion of the tape is started. If P A USE is inserted even once during recording, tape is re wound to the position around the P AUSE position and is played back.

10. The cold reset is enforced at the same time.

[CD Service Mode]

• This mode can run the CD sled motor freely. Use this mode, for

instance, when cleaning the optical pick-up.

Procedure:

1. Press ?/1 button to turn the set ON.

2. Select the function “CD”.

3. Press three buttons x , FUNCTION , and CD 2 simultaneously.

4. The CD service mode is selected.

5. With the CD in stop status, turn the shuttle knob clockwise to

move the optical pick-up to outside track, or turn the shuttle knob counter-clockwise to inside track.

6. To exit from this mode, perform as follows:

1) Move the optical pick-up to the most inside track.

2) Press three buttons in the same manner as step 2.

Note: • Always move the optical pick-up to most inside track when exit-

ing from this mode. Otherwise, a disc will not be unloaded.

• Do not run the sled motor excessively, otherwise the gear can be chipped.

[CD Ship (Memory Clear) Mode]

• Set the CD ship mode and set the default setup when shipped from the factory at the next AC power on.

Procedure:

1. Press ?/1 button to turn the set ON.

2. Select the function “CD ”.

3. Press three buttons x , FUNCTION and CD 1 simultaneously.

4. After the “STANDBY” display blinks six times, a message

“LOCK” is displayed on the fluorescent indicator tube, and the CD ship mode is set.

[CD/MD/TAPE Repeat 5 Times Limit Release Mode]

• 5 times limit of repeating CD/MD/TAPE is released.

Procedure:

1. Press ?/1 button to turn the set ON.

2. Press three buttons x , FUNCTION and CD 1Z .

3. 5 times limit of repeating CD/MD/TAPE is released.

4. Cold reset is performed at power off.

5. When the VOLUME control knob is turned clockwise even slightly, the sound volume increases to its maximum and a message “V OLUME MAX” appears for two seconds, then the display returns to the original display.

6. When the V OLUME control knob is turned counter -clockwise even slightly, the sound volume decreases to its minimum and a message “VOLUME MIN” appears for two seconds, then the display returns to the original display.

7. In the test mode, the default-preset channel is called even when the TUNER is selected and an attempt is made to call the preset channel that has been stored in memory, by oper ating the Shuttle knob. (It means that the memory is cleared.)

8. When a tape is inserted in Deck B and recording is started, the input source function selects VIDEO automatically.

HCD-CL5MD

4-1. PRECAUTIONS FOR USE OF TEST MODE

• As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is stopped before setting and removing it. Even if the Z b utton is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not stop rotating. Therefore, it will be ejected while rotating. Be sure to press the MENU/NO button, and press the Z button after the disc stops rotating.

4-1-1. Recording laser emission mode and operating buttons

• Continuous recording mode (CREC 1MODE) (C35)

• Laser power check mode (LDPWR CHECK) (C13)

• Laser power adjustment mode (LDPWR ADJUS) (C04)

• Iop check (Iop Compare) (C27)

• Iop value nonvolatile writing (Iop NV Save) (C06)

• Traverse (MO) check (EF MO CHECK) (C14)

• Traverse (MO) adjustment (EF MO ADJUS) (C07)

• When pressing the MD REC button.

4-2. SETTING THE TEST MODE

The following are two methods of entering the test mode. Procedure: Connect the mains lead to the mains while pressing the DIMMER , FUNCTION , and x buttons together, then r elease the

DIMMER , FUNCTION , and x buttons simultaneously. When the test mode is set, “[Check]” will be displayed. Move ./> to switch between the following three groups;

··· y Check y Service y Develop y ···.

NOTE: Do not use the test mode in the [Develop] group.

If used, the unit may not operate normally. If the [Develop] group is set accidentally, press the MENU/NO button, immediately to exit the [Develop] group.

4-3. EXITING THE TEST MODE

Press the REPEAT button. The disc is ejected when loaded, and “Initialize” display blinks, and the STANDBY state is set.

4-4. BASIC OPERATIONS OF THE TEST MODE

Operate using the ./> , ENTER/YES button, REC MODE button, MENU/NO button.

Function name

MENU/NO button ENTER/YES button ./> (Left or Right) REC MODE button

Cancel or move to top hierarchy Set Select Set submenu

Function

HCD-CL5MD

4-5. SELECTING THE TEST MODE

There are 26 types of test modes as shown below. The groups can be switched by moving ./> . After selecting the group to be used, press the ENTER/YES button. After setting a certain group, move the multi-stick to switche between these modes. Refer to “Group” in the table for details selected. All adjustments and checks during servicing can be performed in the test mode in the Service group.

NOTE: Do not use the test mode in the [Develop] group.

If used, the unit may not operate normally. If the [Develop] group is set accidentally, press the MENU/NO button, immediately to exit the [Develop] group.

Display

AUTO CHECK Err Display TEMP ADJUS LDPWR ADJUS Iop Write Iop NV Save EF MO ADJUS EF CD ADJUS FBIAS ADJUS AG Set (MO) AG Set (CD) TEMP CHECK LDPWR CHECK EF MO CHECK EF CD CHECK FBIAS CHECK ScurveCHECK VERIFYMODE DETRK CHECK 0920 CHECK Iop Read Iop Compare ADJ CLEAR INFORMATION CPLAY1MODE CREC 1MODE

No.

Automatic self-diagnosis

C01

Error history display, clear

C02

Temperature compensation offset adjustment

C03

Laser power adjustment

C04

Iop data writing

C05

Writes current Iop value in read nonvolatile memory using microprocessor

C06

Traverse (MO) adjustment

C07

Traverse (CD) adjustment

C08

Focus bias adjustment

C09

Focus, tracking gain adjustment (MO)

C10

Focus, tracking gain adjustment (CD)

C11

Temperature compensation offset check

C12

Laser power check

C13

Traverse (MO) check

C14

Traverse (CD) check

C15

Focus bias check

C16

S-curve check

C17

Nonvolatile memory check

C18

Detrack check

C19

Most circumference check

C25

Iop data display

C26

Comparison with initial Iop value written in nonvolatile memory

C27

Initialization of nonvolatile memory for adjustment values

C28

Display of microprocessor version, etc.

C31

Continuous playback mode

C34

Continuous recording mode

C35

Details

Mark

Group

Check Service

• For details of each adjustment mode, refer to “6. Electrical Adjustments”. For details of “Err Display”, refer to “Self-Diagnosis Function” on page 3.

• If a different mode has been selected by mistake, press the MENU/NO button, to exit that mode.

• Modes with (X) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set acciden-

tally, press the MENU/NO button, to exit the mode immediately.

HCD-CL5MD

4-5-1. Operating the Continuous Playback Mode

1. Entering the continuous playback mode

1 Set the disc in the unit. (Whichever recordable discs or discs for playback only are available.) 2 Move ./> and display “CPLAY1MODE”(C34). 3 Press the ENTER/YES button to change the display to “CPLAY1MID”. 4 When access completes, the display changes to “C = AD = ”.

Note : The numbers “ ” displayed show you error rates and ADER.

2. Changing the parts to be played back 1 Press the ENTER/YES button during continuous playback to change the display as below.

“CPLAY1MID” t “CPLAY1OUT” t “CPLAY1IN”

When pressed another time, the parts to be played back can be moved.

2 When access completes, the display changes to “C = AD = ”.

Note : The numbers “ ” displayed show you error rates and ADER.

3. Ending the continuous playback mode

1 Press the MENU/NO button. The display will change to “CPLAY1MODE”(C34). 2 To remove the disc, press the Z button.

Note : The playback start addresses for IN, MID, and OUT are as follows.

IN 40h cluster MID 300h cluster OUT 700h cluster

4-5-2. Operating the Continuous Recording Mode (Use only when performing self-recording/palyback check.)

1. Entering the continuous recording mode

1 Set a recordable disc in the unit. 2 Move ./> and display “CREC 1MODE” (C35). 3 Press the ENTER/YES button to change the display to “CREC 1MID”. 4 When access completes, the display changes to “CREC1 ( )” and REC lights up.

Note : The numbers “ ” displayed shows you the recording position addresses.

2. Changing the parts to be recorded 1 When the ENTER/YES button is pressed during continuous recording, the display changes as below.

“CREC 1MID” t “CREC 1OUT” t “CREC 1IN”

When pressed another time, the parts to be recorded can be changed. REC goes off.

2 When access completes, the display changes to “CREC 1(

)” and REC lights up.

Note : The numbers “ ” displayed shows you the recording position addresses.

3. Ending the continuous recording mode

1 Press the MENU/NO button. The display changes to “CREC 1MODE” (C35 ) and REC goes off. 2 To remove the disc, press the Z button.

Note 1 : The recording start addresses for IN, MID, and OUT are as follows.

IN 40h cluster MID 300h cluster OUT 700h cluster

Note 2 :Press the MENU/NO button can be used to stop recording anytime. Note 3 :Do not perform continuous recording for long periods of time above 5 minutes. Note 4 :During continuous recording, be careful not to apply vibration.

4-6. FUNCTIONS OF OTHER BUTTONS

PLAY

MD 7

J (FF) j (FR)

PLAY MODE EJECT REPEAT

Function

Contents

Sets continuous playback when pressed in the STOP state. When pressed during continuous playback, the tracking servo turns ON/OFF. Stops continuous playback and continuous recording. The sled moves to the outer circumference only when this is pressed. The sled moves to the inner circumference only when this is pressed. Switches the spindle servo mode (CLV S y CLV A). Ejects the disc. Exits the test mode. (When No disc)

HCD-CL5MD

4-7. MEANINGS OF OTHER DISPLAYS

Display

LP2 LP4 (LED) SYNC LEVEL-SYNC OVER TOC REPEAT X1 MONO

Servo ON Tracking servo OFF Recording mode ON CLV low speed mode ABCD adjustment completed Tracking offset cancel ON Tracking auto gain OK Focus auto gain OK CLV S CLV LOCK

When Lit When Off

4-8. AUTOMATIC SELF-DIAGNOSIS FUNCTION

This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up. To perform this test mode, the laser power must first be checked. Perform AUTO CHECK after the laser power check and Iop check.

Contents

Servo OFF Tracking servo ON Recording mode OFF CLV normal mode

Tracking offset cancel OFF

CL V A CLV UNLOCK

Procedure

1. Press the ENTER/YES button. If “LDPWR” is displayed, it means that the laser power check has not been performed. In this case, perform the laser power check and Iop compare, and then repeat from step 1.

2. If a disc is in the mechanical deck, it will be ejected forcibly. “DISC IN” will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded.

3. If a disk is loaded at step 2, the check will start automatically.

4. When “XX CHECK” is displayed, the item corresponding to XX will be performed. When “06 CHECK” completes, the disc loaded at step 2 will be ejected. “DISC IN” will be displayed. Load the check disc (MD) TD YS-1.

5. When the disc is loaded in step 4, the check will automatically be resumed from “07 CHECK”.

6. After completing to test item 12, check OK or NG will be displayed. If all items are OK, “CHECK ALL OK” will be displayed. If any item is NG, it will be displayed as “NG:xxxx”.

When “CHECK ALL OK” is displayed, it means that the optical pick-up is normal. Check the operations of the other spindle motor, thread motor, etc. When displayed as “NG:xxxx”, it means that the optical pick-up is faulty. In this case, replace the optical pick-up.

4-9. INFORMATION

Display the software version.

Procedure

1. If displayed as “INFORMATION”, press the ENTER/YES button.

2. The software version will be displayed.

3. Press the MENU/NO button is lit to end this mode.

4-10. WHEN MEMORY NG IS DISPLAYED

If the nonvolatile memory data is abnormal, “E001”/”MEMORY NG” will be displayed so that the MD deck does not continue operations. In this case, set the test mode promptly and perform the following procedure.

Procedure

1. Set the test mode. (Refer to 4-2.)

2. Normally a message for selecting the test mode will be displayed. However if the non v olatile memory is abnormal, the following will be displayed. “INIT EEP?”

3. Press the x button and Z button together.

4. Move ./> and select MDM-7B.

5. Press the REC MODE button. If the nonvolatile memory is successfully overwritten, the normal test mode will be set and a message to select the test mode will be displayed.

HCD-CL5MD

SECTION 5

MECHANICAL ADJUSTMENTS

SECTION 6

ELECTRICAL ADJUSTMENTS

Precaution

1. Clean the following parts with a denatured alcohol-moistened swab:

record/playback heads pinch rollers erase head rubber belts capstan idlers

2. Demagnetize the record/playback head with a head demagnetizer.

3. Do not use a magnetized screwdriver for the adjustments.

4. After the adjustments, apply suitable locking compound to the parts adjusted.

5. The adjustments should be performed with the rated power supply voltage unless otherwise noted.

Torque Measurement

Mode

FWD

FWD back tension

REV

REV back tension

FF/REW

FWD tension

REV tension

Torque meter

CQ-102C

CQ-102RC

CQ-201B

CQ-403A

CQ-403R

Meter reading

3.04 – 6.96 N • m (31 to 71 g • cm)

(0.43 – 0.98 oz • inch)

0.20 – 0.58 N • m

(2 to 6 g • cm)

(0.02 – 0.08 oz • inch)

3.04 – 6.96 N • m (31 to 71 g • cm)

(0.43 – 0.98 oz • inch)

0.20 – 0.58 N • m

(2 to 6 g • cm)

(0.02 – 0.08 oz • inch)

6.97 – 14.02 N • m (71 to 143 g • cm)

(0.98 – 1.99 oz • inch)

0.98 N • m or more

(100 g or more)

(3.53 oz or more)

0.98 N • m or more

(100 g or more)

(3.53 oz or more)

DECK SECTION 0 dB=0.775V

1. Demagnetize the record/playback head with a head demagnetizer.

2. Do not use a magnetized screwdriver for the adjustments.

3. After the adjustments, apply suitable locking compound to the parts adjusted.

4. The adjustments should be performed with the rated power supply voltage unless otherwise noted.

5. The adjustments should be performed in the order given in this service manual. (As a general rule, playback circuit adjustment should be completed before performing recording circuit adjustment.)

6. The adjustments should be performed for both L-CH and R-CH.

7. Switches and controls should be set as follows unless otherwise specified.

Signal

P-4-A100

WS-48B

10 kHz, –10 dB

3 kHz, 0 dB

Record/Playback Head Azimuth Adjustment

Procedure:

1. Mode : Playback

test tape P-4-A100 (10kHz, –10dB)

set

main board CN301 Pin 1 (L-ch) Pin 3 (R-ch)

Used forTape

Azimuth Adjustment

Tape Speed Adjustment

level meter

+ –

2. Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1 dB of peak.

L-CH peak

screw position

R-CH peak

output level

within 1 dB

L-CH peak

R-CH peak

within 1dB

screw position

+ 82 hidden pages

Sony HCDCL-5-MD Service manual

TABLE OF CONTENTS

SERVICING NOTES

GENERAL

DISASSEMBLY

Front panel

Panel board

MD mechanism

5 Holder assy

Loading motor assy (M103)

MD Optical pick-up (KMS-260B/K1NP)

3 RELAY board

3 BD (CD) board

3 DRIVER board

5 TRAY SENSOR board

3 Stocker assy

4 DISC SENSOR board

3 IN OUT SW board

TEST MODE

MECHANICAL ADJUSTMENTS

ELECTRICAL ADJUSTMENTS