Sony HCD-NEZ30 - Cd Deck Receiver Component Service Manual

SERVICE MANUAL

COMPACT DISC DECK RECEIVER

HCD-NEZ30

Ver. 1.5 2007.04

SPECIFICATIONS

9-887-030-06

Sony Corporation

Personal Audio Division Published by Sony Techno Create Corporation

US Model

Canadian Model

UK Model

E Model

East European Model

• HCD-NEZ30 is the amplifier, CD player, tape deck and tuner section in CMT-NEZ30.

Model Name Using Similar Mechanism HCD-NEZ3

CD Section Base Unit Name BU-K8BD83S-WOD

Optical Pick-up block Name KSM-213CDP

TAPE Section

Model Name Using Similar Mechanism NEW

Tape Transport Mechanism Type CMAL5Z235A

AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: ( The United States model only)

With 6 ohm loads, both channels driven, from 120 – 10,000 Hz; rated 15 watts per channel minimum RMS power, with no more than 10% total harmonic distortion from 250 milliwatts to rated output.

Ampliﬁer section

North-American model:

Continuous RMS power output (reference): 15 + 15 W (6 ohms at 1 kHz, 10% THD)

European model:

DIN power output (rated): 11 + 11 W (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference): 17 + 17 W (6 ohms at 1 kHz, 10% THD) Music power output (reference): 28 + 28 W

The following are measured at AC 220 V, 50/60 Hz (Argentine model), AC 120 V, 60 Hz (Mexican model), AC 120, 220 or 230 – 240 V, 50/60 Hz (other models)

DIN power output (rated): 11 + 11 W (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference): 15 + 15 W (6 ohms at 1 kHz, 10% THD)

Inputs

AUDIO IN: Sensitivity 250 mV, impedance 47 kilohms

Outputs

PHONES: Accepts headphones with an impedance of 8 ohms or more SPEAKER: Accepts impedance of 6 to 16 ohms

CD player section

System: Compact disc and digital audio system Laser Diode Properties

Emission Duration: Continuous Laser Output*: Less than 44.6µW * This output is the value measurement at a distance of 200 mm from the

objective lens surface on the Optical Pick-up Block with 7mm aperture.

Tape deck section

Recording system: 4-track 2-channel, stereo

AM tuner section:

Tuning range Pan-American model: 530 – 1,710 kHz (with 10 kHz tuning interval)

531 – 1,710 kHz (with 9 kHz tuning interval)

Other models: 530 – 1,710 kHz (with 10 kHz tuning interval)

European models: 531 – 1,602 kHz (with 9 kHz tuning interval)

531 – 1,602 kHz (with 9 kHz tuning interval) Antenna: AM loop antenna, external antenna terminal Intermediate frequency: 450 kHz

General

Power requirements

North American model: AC 120 V, 60 Hz Mexican model: AC 120 V, 60 Hz European model: AC 230 V, 50/60 Hz

Argentine model: AC 220 V, 50/60 Hz Other models: AC 120, 220 or 230 – 240 V, 50/60 Hz Adjustable with voltage selector

Power consumption:

North American model: 45 watts Other models: 45 watts

Dimensions (w/h/d) (excl. speakers):

Mass (excl. speakers):

North

Approx. 164 × 235 × 265 mm

American model: Approx. 3.2 kg European model: Approx. 3.6 kg Other models: Approx. 3.3 kg

Design and speciﬁcations are subject to change without notice.

Tuner section

FM stereo, FM/AM superheterodyne tuner

FM tuner section:

Tuning range North American model: 87.5 – 108.0 MHz (100 kHz step) Other models: 87.5 – 108.0 MHz (50 kHz step) Antenna: FM lead antenna Antenna terminals: 75 ohms unbalanced Intermediate frequency: 10.7 MHz

HCD-NEZ30

(0.75 V)

To Exposed Metal Parts on Set

Earth Ground

LEAKAGE TEST

The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes.). Leakage current can be measured by any one of three methods.

1. A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers’ instructions to use these instruments.

2. A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job.

3. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The “limit” indication is 0.75 V, so analog meters must have an accurate low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2 V AC range are suitable. (See Fig. A)

classiﬁed as a CLASS

This appliance is

1 LASER product. This marking is located on the rear exterior.

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.

Flexible Circuit Board Repairing

• Keep the temperature of the 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.

CAUTION

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

SAFETY CHECK-OUT

After correcting the original service problem, perform the following safety check before releasing the set to the customer: Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below.

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 PA RT NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

0.15 µF

1.5 k

Ω

voltmete

Fig. A. Using an AC voltmeter to check AC leakage.

ATTENTION AU COMPOSANT AYANT RAPPORT

LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

À LA SÉCURITÉ!

HCD-NEZ30

SECTION 1

SERVICING NOTES

Ver. 1.5

TABLE OF CONTENTS

1. SERVICING NOTES ............................................... 3

2. GENERAL ................................................................... 6

3. DISASSEMBLY

3-1. Disassembly Flow ........................................................... 8

3-2. Cabinet............................................................................. 8

3-3. Cabinet (Top) Section ...................................................... 9

3-4. Base Unit (BU-K8BD83S-WOD) ................................... 9

3-5. Front Panel Section ......................................................... 10

3-6. Mechanical Deck (CMAL5Z235A) ................................ 10

3-7. MAIN Board .................................................................... 11

3-8. Tuner (FM/AM) ............................................................... 11

4. TEST MODE .............................................................. 12

5. MECHANICAL ADJUSTMENTS ....................... 13

6. ELECTRICAL ADJUSTMENTS ......................... 14

7. DIAGRAMS

7-1. Block Diagram – CD SERVO Section – ......................... 17

7-2. Block Diagram – MAIN Section – .................................. 18

7-3. Printed Wiring Board – CD Board – ............................... 20

7-4. Schematic Diagram – CD Board – .................................. 21

7-5. Printed Wiring Boards – MAIN Section – ...................... 22

7-6. Schematic Diagram – MAIN Section (1/2) – .................. 23

7-7. Schematic Diagram – MAIN Section (2/2) – .................. 24

7-8. Printed Wiring Board – PANEL Board – ........................ 26

7-9. Schematic Diagram – PANEL Board – ........................... 27

7-10. Printed Wiring Boards – DC Section – ........................... 28

7-11. Printed Wiring Board – AC Board – ................................ 29

7-12. Schematic Diagram – POWER SUPPLY Section – ........ 30

8. EXPLODED VIEWS

8-1. Cabinet Section ................................................................ 36

8-2. Mechanical Deck Section ................................................ 37

8-3. Panel Board Section ........................................................ 38

8-4. Cabinet (Top) Section ...................................................... 39

8-5. MAIN Board Section ....................................................... 40

8-6. AC Board, DC Board Section ......................................... 41

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.

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.

UNLEADED SOLDER

Boards requiring use of unleaded solder are printed with the leadfree mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with

the lead free mark due to their particular size)

: LEAD FREE MARK

Unleaded solder has the following characteristics.

• Unleaded solder melts at a temperature about 40 ˚C higher

than ordinary solder. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Soldering irons using a temperature regulator should be set to about 350 ˚C. Caution: The printed pattern (copper foil) may peel away if

the heated tip is applied for too long, so be careful!

• Strong viscosity

Unleaded solder is more viscou-s (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges occur such as on IC pins, etc.

• Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder.

9. ELECTRICAL PARTS LIST................................ 42

Refer to SUPPLEMENT-1 for the MAIN board of printed wiring board, schematic diagram and electrical parts list of except US and Canadian models. When repairing the set of US and Canadian models, refer to either of original service manual/SUPPLEMENT-1 according to the set.

Refer to SUPPLEMENT-1 for the CD board of printed wiring board, schematic diagram and electrical parts list of UK and East European models. When repairing the set of except UK and East European models, refer to either of original service manual/SUPPLEMENT-1 according to the set.

Refer to SUPPLEMENT-2 for the HEAD PHONE board of printed wiring board, schematic diagram and electrical parts list of UK and East European models. When repairing the set of except UK and East European models, refer to either of original service manual/SUPPLEMENT-2 according to the set.

Refer to SUPPLEMENT-3 for the PANEL board of printed wiring board, schematic diagram and electrical parts list of UK and East European models. When repairing the set of except UK and East European models, refer to either of original service manual/SUPPLEMENT-3 according to the set.

HCD-NEZ30

S820

Ver. 1.5

MODEL IDENTIFICATION – Rear View –

Model Name Part No.

E model 2-665-907-0[] Mexican model 2-665-908-0[] Chilean and Peruvian models 2-665-909-0[] Argentina model 2-665-910-0[] US and Canadian models 2-665-913-0[] UK model 3-100-772-0[] East European model 3-312-856-0[]

Part No.

NOTE WHEN PARTS RELATED TO POWER TRANSFORMER ARE REPLACED

In this set, the main power transformer (T902) and sub power transformer (T901) of US and Canadian models have been changed in the midway of production. The mount parts on DC board and Part No. of DC board have been changed along with it. Perform after confirming which type set when you repair set because there is a suited combination.

• DISCRIMINATION

Distinguish by the print of label pasted to side of main power transformer (T902).

– MAIN POWER TRANSFORMER (T902) –

• Combination

TYPE A TYPE B

POWER 1-443-902-11 1-443-903-11

TRANSFORMER TRANSFORMER, TRANSFORMER,

(T902) POWER POWER

T901 1-443-833-11 1-443-846-11

(on AC board) TRANSFORMER, TRANSFORMER,

POWER POWER

D921 NO MOUNT 6-501-193-01

(on DC board) DIODE 1SS355WTE-17

R911 1-216-841-11 1-216-829-11

(on DC board) METAL CHIP METAL CHIP

47K 5% 1/10W 4.7K 5% 1/10W

R912 1-216-841-11 1-216-845-11

(on DC board) METAL CHIP METAL CHIP

47K 5% 1/10W 100K 5% 1/10W

R920 NO MOUNT 1-216-864-11

(on DC board) SHORT CHIP 0

DC board A-1158-136-A A-1216-850-A

1-443-902-11: TYPE

1-443-903-11: TYPE

LASER DIODE AND FOCUS SEARCH OPERATION CHECK

During normal operation of the equipment, emission of the laser diode is prohibited unless the upper lid is closed while turning ON the S820. (push switch type) The following checking method for the laser diode is operable.

• Method Emission of the laser diode is visually checked.

1. Open the upper lid.

2. Push the S820 as shown in Fig.1.

Note: Do not push the detection lever strongly, or it may be bent or damaged.

3. Press the u button.

4. Check the object lens for confirming normal emission of the laser diode. If not emitting, there is a trouble in the automatic power control circuit or the optical pick-up.

In this operation, the object lens will move up and down 2 times along with inward motion for the focus search.

Fig.1 Method to push the S820

SERVICE POSITION

CD board

cabinet (top) section

tape mechanical dec

– CD BOARD –

HCD-NEZ30

– TAPE MECHANICAL DECK –

HCD-NEZ30

Basic Operations

Before using the system

To use the remote

Slide and remove the battery compartment lid , and insert the two supplied R6 (size AA) batteries,

side

ﬁrst, matching the polarities shown below.

Notes on using the remote

• With normal use, the batteries should last for about six months.

• Do not mix an old battery with a new one or mix different types of batteries.

• If you do not use the remote for a long period of time, remove the batteries to avoid damage from battery leakage and corrosion.

To set the clock

Turn on the system.

Press

(power) .

Select the clock set mode.

Press CLOCK/TIMER SET

on the remote. If the

current mode appears on the display, press

on the remote repeatedly to select “CLOCK” and

then press ENTER

on the remote.

Set the time.

Press

/ on the remote repeatedly to set

the hour, and then press ENTER

on the remote. Use the same procedure to set the minute. The clock settings are lost when you disconnect the power cord or if a power failure occurs.

Playing a CD/MP3 disc

Select the CD function.

Press CD

on the remote.

Place a disc.

Press

PUSH OPEN/CLOSE on the unit, and place a disc with the label side up on the CD compartment. To close the CD compartment, press

PUSH OPEN/

on the unit.

PUSH OPEN/CLOSE

Start playback.

Press

(play) on the remote (or CD/ (play/

pause)

on the unit).

To Pr ess

Pause playback

(pause) on the remote (or

CD/

(play/pause) on the unit). To resume play, press the button again.

Stop playback

(stop) .

Select a folder on an MP3 disc

+/– (select folder) .

Select a track or ﬁle

/ (go back/go forward)

Find a point in a track or ﬁle

Hold down

/ (rewind/fast

forward)

during playback, and release the button at the desired point.

Select Repeat Play

REPEAT

on the remote repeatedly until “REPEAT” or “REPEAT 1” appears.

To change the play mode

Press PLAY MODE repeatedly while the player is stopped. You can select normal play (“

” for all MP3 ﬁles in the folder on the disc), shufﬂe play (“SHUF” or “

SHUF*”), or program play (“PGM”).

* When playing a CD-DA disc, (SHUF) Play performs the same

operation as normal (SHUF) Play.

Notes on Repeat Play

• All tracks or ﬁles on a disc are played repeatedly up to ﬁve times.

• “REPEAT 1” indicates that a single track or ﬁle is repeated until you

stop it.

Notes on playing MP3 discs

• Do not save other types of ﬁles or unnecessary folders on a disc that

has MP3 ﬁles.

• Folders that have no MP3 ﬁles are skipped.

• MP3 ﬁles are played back in the order that they are recorded onto

the disc.

• The system can only play MP3 ﬁles that have a ﬁle extension of

“.MP3.”

• If there are ﬁles on the disc that have the “.MP3” ﬁle extension,

but that are not MP3 ﬁles, the unit may produce noise or may malfunction.

• The maximum number of:

– folders is 150 (including the root folder). – MP3 ﬁles is 255. –

MP3 ﬁles and folders that can be contained on a single disc is 256.

– folder levels (the tree structure of ﬁles) is 8.

• Compatibility with all MP3 encoding/writing software, recording

device, and recording media cannot be guaranteed. Incompatible MP3 discs may produce noise or interrupted audio or may not play at all.

To stop automatic scanning

Press (stop) .

To tune in a station with a weak signal

If “TUNED” does not appear and the scanning does not stop, press TUNING MODE

repeatedly until “AUTO” and “PRESET” disappear, and then press +/– on the remote (or TUNING +/– on the unit) repeatedly to tune in the desired station.

To reduce static noise on a weak FM stereo station

Press FM MODE on the remote repeatedly until “STEREO” disappears to turn off stereo reception.

Playing a tape

Select the tape function.

Press TAPE

on the remote.

Insert a tape.

Press PUSH OPEN/CLOSE

on the unit, and insert the TYPE I (normal) tape into the cassette holder with the side you want to play facing forward. Make sure there is no slack in the tape to avoid damaging the tape or the tape deck. Press PUSH OPEN/CLOSE

on the unit again to close the

cassette holder.

Start playback.

Press

(play) on the remote (or TAPE/

(play/pause)

on the unit).

To P ress

Pause playback

(pause) on the remote (or

TAPE/

(play/pause) on the unit). To resume play, press the button again.

Stop playback

(stop) .

Rewind or fast forward

/ (rewind/fast forward) .

Changing the display

To c hange Press

Information on the display*

DISPLAY

on the remote

repeatedly when the system is on.

Display mode (See below.)

DISPLAY

on the remote

repeatedly when the system is off.

* For example, you can view CD/MP3 disc information, such as the

track or ﬁle number or folder name during normal play, or the total play time while the player is stopped.

The system offers the following display modes.

Display mode When the system is off,

Clock The clock is displayed.

Power Saving Mode

The display is turned off to conserve power. The timer and clock continue to operate.

The STANDBY indicator lights up when the system is off.

When the system is in Power Saving Mode, the following functions are unavailable: – setting the clock. – changing the AM tuning interval – changing the CD power manage function

Notes on the display information

• The following are not displayed; – total playing time for a CD-DA disc depending on the play mode. – total playing time for an MP3 disc. – remaining playing time for an MP3 ﬁle.

• The following are not displayed correctly; – elapsed playing time of an MP3 ﬁle encoded using a VBR

(variable bit rate).

– folder and ﬁle names that do not follow either the ISO9660 Level

1, Level 2 or Joliet in the expansion format.

• The following are displayed; – ID3 tag information for MP3 ﬁles when ID3 version 1 and version

2 tags are used.

– up to 30 characters of ID3 tag information using uppercase letters

(A to Z), numbers (0 to 9), and symbols (" $ % ’ ( ) * + , – . / < = > @ [ \ ] _ ` { | }).

* Except for the North American model

Selecting a music source

Press the following buttons (or press FUNCTION repeatedly).

To select Press

CD CD on the remote.

Tuner TUNER/BAND

Tape TAPE

on the remote.

Component (connected using an audio cord)

FUNCTION

repeatedly

until “AUDIO IN” appears.

Adjusting the sound

To adjust the volume

Press VOLUME +/– on the remote (or turn the VOLUME control on the unit)

Notes on playing multisession discs

• If the disc begins with a CD-DA (or MP3) session, it is recognized as a CD-DA (or MP3) disc, and playback continues until another session is encountered.

• A disc with a mixed CD format is recognized as a CD-DA (audio) disc.

Listening to the radio

Select “FM” or “AM.”

Press TUNER/BAND

repeatedly.

Select the tuning mode.

Press TUNING MODE

repeatedly until “AUTO”

appears.

To add a sound effect

To Pr ess

Generate a more dynamic sound (Dynamic Sound Generator X-tra)

DSGX

on the unit.

Tune in the desired station.

Press +/– on the remote (or TUNING +/– on the unit)

. Scanning stops automatically when a station is tuned in, and then “TUNED” and “STEREO” (for stereo programs) appear. When you tune in a station that provides RDS services, the station name appears on the display (European model only).

Using optional audio components

To connect an optional headphones

Connect headphones to the PHONES jack on the unit.

To connect an optional component

Connect additional audio component to the AUDIO IN jack

on the unit using an audio analog cord (not supplied). Turn down the volume on the system, and then press FUNCTION

repeatedly to select the AUDIO IN

function.

Set the sound effect

on the remote repeatedly to select “BASS” or “TREBLE,” and then press

repeatedly to adjust the level.

Ver. 1.1

SECTION 2

GENERAL

This section is extracted from instruction manual.

Other Operations

Creating your own CD program

(Program Play)

Use buttons on the remote to create your own program.

Press CD to select the CD function.

Press PLAY MODE repeatedly until “PGM” appears while the player is stopped.

Press / repeatedly until the desired track number appears.

When programming MP3 ﬁles, press

+/– (select

folder)

repeatedly to select the desired folder, and

then select the desired ﬁle.

Selected track or ﬁle number

Total playing time of program (including selected track or ﬁle)

Press ENTER to add the track or ﬁle to the program.

“– –.– –” appears when the total time exceeds 100 minutes for a CD, or when you select an MP3 ﬁle.

Repeat steps 3 through 4 to program additional tracks or ﬁles, up to a total of 25 tracks or ﬁles.

To p la y your program of tracks or ﬁles, press (play)

The program remains available until you open the CD compartment. To play the same program again, select the CD function, and press

(play) .

To cancel Program Play

Press PLAY MODE repeatedly until both “PGM” and “SHUF” disappear while the player is stopped.

To delete the last track or ﬁle of the program

Press CLEAR while the player is stopped.

To v iew p rogram information, such as total track number of the program

Press DISPLAY repeatedly.

Presetting radio stations

You can preset your favorite radio stations and tune them in instantly by selecting the corresponding preset number. Use buttons on the remote to preset stations.

Tune in the desired station (see “Listening to the radio”).

Press TUNER MEMORY .

Preset number

Press +/– repeatedly to select your desired preset number.

If another station is already assigned to the selected preset number, the station is replaced by the new stations.

Press ENTER .

Repeat steps 1 through 4 to store other stations.

You can preset up to 20 FM and 10 AM stations. The preset stations are retained for about half a day even if you disconnect the power cord or if a power failure occurs.

To call up a preset radio station, press TUNING MODE

repeatedly until “PRESET” appears,

and then press +/–

repeatedly to select the

desired preset number.

Recording onto a tape

You can record on a TYPE I (normal) tape in two ways:

CD Synchro Recording:

You can record an entire CD onto a tape.

Manual Recording:

You can record just the portions you like from a sound source, including connected audio components.

Use buttons on the unit to control tape recording.

Load a recordable tape with the side you want to record facing forward.

Prepare the recording source.

For CD Synchro Recording:

Press CD

on the remote to select the CD function. Load the disc you want to record. When recording a folder from an MP3 disc, press PLAY MODE

repeatedly to select “ ” and then

press

+/– (select folder) repeatedly to select the desired folder. To record only your favorite CD tracks in your desired order, perform steps 2 through 5 of “Creating your own CD program.”

For Manual Recording:

Select the desired source to record.

Set the tape deck to stand by for recording.

For CD Synchro Recording:

Press CD SYNC

For Manual Recording:

Press

PAUSE/START .

Start recording.

While recording, you cannot listen to other sources.

For CD Synchro Recording:

Press

PAUSE/START . When the recording is completed, the CD player and the tape deck stop automatically. If you are recording onto a tape and the tape reaches the end of the front side part-way through a track or ﬁle, “TURN TAPE” appears. Turn the tape over to the reverse side, re-insert it, and “PUSH REC” appears. And then press

PAUSE/

START

For Manual Recording:

Press

PAUSE/START , and then start playing the desired recording source. If there is noise while recording from the tuner, reposition the appropriate antenna to reduce the noise.

To s top recording

Press (stop) .

Note

Recording stops if you change to a different function.

Using the Timers

The system offers three timer functions. You cannot activate both the Play Timer and the Rec Timer at the same time. If you use either with the Sleep Timer, the Sleep Timer has priority.

Sleep Timer:

You can fall asleep to music. This function works even if the clock is not set. Press SLEEP wj on the remote repeatedly. If you select “AUTO,” the system automatically turns off after the current disc or tape stops or in 100 minutes. Do not select “AUTO” during Synchro Recording of a tape.

Play Timer:

You can wake up to CD, tape or tuner at a preset time.

Rec Timer:

You can record a preset radio station at a speciﬁed time.

Use buttons on the remote to control the Play Timer and the Rec Timer. Make sure you have set the clock.

Prepare the sound source.

For Play Timer:

Prepare the sound source, and then press VOLUME +/–

to adjust the volume. To start from a speciﬁc CD track or MP3 ﬁle, create your own CD program.

For Rec Timer:

Tune in the preset radio station.

Press CLOCK/TIMER SET .

Press / repeatedly to select “PLAY SET” or “REC SET” then press ENTER

“ON TIME” appears, and the hour indication ﬂashes.

Set the time to start playing or recording.

Press

/ repeatedly to set the hour,

and then press ENTER

The minute indication ﬂashes. Use the procedure above to set the minute.

Use the same procedure as in step 4 to set the time to stop playing or recording.

Select the sound source or prepare the tape.

For Play Timer:

Press

/ repeatedly until the desired

sound source appears, and then press ENTER

. The

display shows the timer settings.

For Rec Timer:

Load a recordable tape. The display shows the timer settings.

Press (power) to turn off the system.

The system turns on 15 seconds before the preset time. If the system is on at the preset time, the Play Timer and the Rec Timer will not play or record.

To activate or check the timer again

Press CLOCK/TIMER SELECT , press / repeatedly until “PLAY SEL” or “REC SEL” appears, and then press ENTER

To cancel the timer

Repeat the same procedure as above until “OFF” appears, and then press ENTER

To change the setting

Start over from step 1.

Tips

• The Play Timer setting remains as long as the setting is not canceled manually.

• The volume is reduced to minimum during the Rec Timer.

• The Rec Timer is canceled automatically after the Rec Timer has been activated.

HCD-NEZ30

Ver. 1.1

HCD-NEZ30

two

screws

(BVTP 3

10)

two

screws

(BVTP 3

two

screws

(BVTP 3

)

cabinet

• This set can be disassembled in the order shown below.

3-1. DISASSEMBLY FLOW

SET

3-2. CABINET

(Page 8)

3-3. CABINET (TOP) SECTION

(Page 9)

SECTION 3

DISASSEMBLY

3-5. FRONT PANEL SECTION

(Page 10)

3-6. MECHANICAL DECK (CMAL5Z235A)

(Page 10)

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

3-2. CABINET

3-4. BASE UNIT (BU-K8BD83S-WOD)

(Page 9)

3-7. MAIN BOARD

(Page 11)

3-8. TUNER (FM/AM)

(Page 11)

3-3. CABINET (TOP) SECTION

screw (BVTP 2.6)

connector (S820)

wire (flat type) (23 core

)

(CN317)

cabinet (top) section

claw

four

screws

(PWH 2.6

10)

flexible flat cable (23 core)

(CN102)

CD cover

base unit

(BU-K8BD83S-WOD)

cabinet (top) section

two vibration proof rubbers (red

)

vibration proof rubber (green)

HCD-NEZ30

3-4. BASE UNIT (BU-K8BD83S-WOD)

HCD-NEZ30

three

screws

(BVTP 2.6)

harness

screw (BVTP 2.6)

terminal lead wire (WIRE200)

tape

mechanical deck

(

CMAL5Z235A

)

flexible flat cable (6 core

)

(FFC801)

3-5. FRONT PANEL SECTION

front panel section

two

screws

(BVTP 3

flexible flat cable (9 core) (FFC803) (CN900)

flexible flat cable (17 core) (FFC805) (CN321)

flexible flat cable (13 core) (FFC501) (CN500)

terminal lead wire (WIRE300)

screw (BVTT 3

connector (CN301)

flexible flat cable (11 core) (FFC804) (CN320)

3-6. MECHANICAL DECK (CMAL5Z235A)

3-7. MAIN BOARD

two connectors (CN902, CN903)

flexible flat cable (9 core) (CN319)

screw (BVTT 3

heat sink

screw (BVTP 3

12)

IC bracket

screw (BVTP 3

Remove

two solders.

MAIN board

SHIELD board

shield plate (M)

(EXCEPT UK, East European)

(UK, East European)

screw (BVTT 3

three

screws

(BVTT 3

two

screws

(BVTP 3

screw (BVTP 3

AC board, DC board section

power cord connecto

(CN901)

terminal lead wire (WIRE900)

(US, Canadian)

tuner (FM/AM)

flexible flat cable (9 core)

Ver. 1.5

HCD-NEZ30

3-8. TUNER (FM/AM)

HCD-NEZ30

distination (In this case, North American model)

model name (In this case, HCD-NEZXX)

Ver. 1.5

SECTION 4

TEST MODE

COLD RESET

The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer.

Procedure:

1. Press the I/1 button to turn the power on.

2. While pressing the x button, press the I/1 button and turn

the [VOLUME] knob in the counter-clock wise.

3. The message “RESET” is displayed and the set is reset.

PANEL TEST

All segments of liquid crystal display are tested, and the version and released date of the micro computer are displayed.

Procedure:

1. Press the I/1 button to turn the power on.

2. While pressing the [DSGX] button, press the l m button and turn the [VOLUME] knob in the counter-clock wise. Then all segments of liquid crystal display are turned on.

3. Press the [DSGX] button, the version and released date of the micro computer are displayed.

example of display:

1104 V104

Version of micro computer (In this case, version 104)

released date of micro computer (In this case, released of November 4)

4. Press the [TUNER/BAND] button, the model name and distination are displayed.

example of display:

6NE NA

CD ERROR HISTORY

When this mode is entered, optical pick-up error code is displayed with the 8-character format on the fluorescent indicator tube.

Procedure:

1. Set the FUNCTION to CD.

2. While pressing the [DSGX] button, press the CD u button and turn the [VOLUME] knob in the counter-clock wise.

3. CD error history is displayed on the liquid crystal display.

The first digit from the left indicates:

The first digit from the left indicates which mode the error history is. In the optical pick-up error code mode, “D” is displayed on the liquid crystal display.

The second digit from the left indicates: (Error history No. display)

The second digit from the left indicates which order the error history is. “1” indicates the latest error history, and each time the number increases by one, the error history goes back to one-previous error.

The third and 4th digit from the left indicates: (Error status display)

The third and 4th digit from the left indicates which error status is indicated.

Display Status

01 Not focused (TOC read without a disc)

02 GFS NG (TOC read with a disc chucked)

03 Start operation time-over

04 Defocused continuously (Defocused during TOC reading)

05 Q code not entered for specified time

06 Tracking not turned ON

07 Blank disc (Blank disc TOC read)

5. Press the [PLAY MODE/TUNING MODE] button, “KEY 0 0” is

displayed on the liquid crystal display, and key test mode in. Each time a key is pressed, the numerical value corresponding to each key is displayed on the liquid crystal display.

6. To exit from this mode, perform the “COLD RESET”.

TUNER STEP CHANGE-OVER (Except UK and East European models)

Either the 9 kHz step or 10 kHz step can be selected for the AM channel step.

Procedure:

1. Set the FUNCTION to AM, and press the I/1 button to turn the power off.

2. While depressing the [TUNER/BAND] button, press the I/1 button.

3. The message “9K STEP” or “10K STEP” is displayed on the liquid crystal display, and thus the channel step is changed over.

The 5th and 6th digit from the left indicates: (Error step display)

The 5th and 6th digit from the left indicates which processing when a trouble occurred

Display Contents

01 Power OFF in progress

02 Power ON in progress

03 Initialize in progress

04 Oscillation stopping

05 From oscillation stop, oscillation starting

06 Stopping

07 Stop operation is under way

08 Start operation in progress

09 TOC read in progress

0A Search operation is under way

0B Playback operation is under way

0C Pause operation is under way

0D Playback manual search operation is under way

0E Pause manual search operation is under way

The 7th and 8th digit from the left indicates:

The 7th and 8th digit from the left indicates which operation in progress when a trouble occurred. (Step of each processing of the 5th and 6th digits is indicated)

HCD-NEZ30

SECTION 5

MECHANICAL ADJUSTMENTS

CD POWER MANEGE

This mode is for switch the CD power supply on/off. Even if this state pulls out AC plug, it is held.

Procedure:

1. Press the I/1 button to turn the power on.

2. Set the FUNCTION to CD.

3. Press the I/1 button again to turn the power off (standby).

4. While pressing the CD u button, press the I/1 button.

5. If turns power on and display “CD POWER”, then display “ON” or “OFF”.

• Precaution

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

record/playback head pinch roller erase head rubber belts capstan idlers

2. Demagnetize the record/playback head with a head demagnetizer. (Do not bring the head magnetizer close to the erase head.)

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

4. After the adjustments, appiy 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 Torque Meter Meter Reading

2.95 – 6.86 mN⋅m

FWD CQ-102C (30 – 70 g⋅cm)

(0.42 – 0.97 oz⋅inch)

FWD

Back Tension

FF CQ-201B (more than 60 g⋅cm)

REW CQ-201B (more than 60 g⋅cm)

CQ-102C (1.5 – 5.5 g⋅cm)

0.15 – 5.39 mN⋅m

(0.021 – 0.076 oz⋅inch)

more than 5.89 mN⋅m

(more than 0.83 oz⋅inch)

more than 5.89 mN⋅m

(more than 0.83 oz⋅inch)

• Tape Tension Measurement

Mode Tension Meter Meter Reading

FWD CQ-403A

more than 100 g

(more than 3.53 oz)

HCD-NEZ30

set

HEAD PHONE board PHONES jack (J500)

+ –

level mete

test tape P-4-A063 (6.3 kHz, –10 dB)

set

test tape P-4-A063 (6.3 kHz, –10 dB)

oscilloscope

waveform of oscilloscope

in phase 45° 90° 135° 180°

good

wrong

HEAD PHONE board PHONES jack (J500)

Screw position

L-CH peak

within 1dB

Output level

L-CH peak

R-CH peak

within 1dB

Screw position

R-CH peak

SECTION 6

ELECTRICAL ADJUSTMENTS

0 dB=0.775 VDECK SECTION

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

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

• Test Tape

Tape Signal Used for

P-4-A063 6.3 kHz, -10 dB Azimuth Adjustment

RECORD/PLAYBACK HEAD AZIMUTH ADJUSTMENT

Note: Remove the cassette lid assy before this adjustment.

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 1dB of peak.

3. Mode: Playback

Procedure:

1. Mode: Playback

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

Adjustment Location: Record/Playback/Erase Head

CD SECTION

CD board

TP (RFACI) TP (VC)

oscilloscop

(DC range)

VOLT/DIV: 200 m

TIME/DIV: 500 ns

level:

0.9 ± 0.4 Vp-p

(VC)

(RFACI)

IC201

– CD Board (Conductor Side) –

Note:

1. CD Block is basically constructed to operate without adjustment.

2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated.

3. Use an oscilloscope with more than 10 MΩ impedance.

4. Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks.

5. Check the focus bias check when optical pick-up block is replaced.

FOCUS BIAS CHECK

Procedure :

1. Connect oscilloscope to TP (RFACI) and TP (VC) on the CD board.

2. Press the I/1 button to turn the power ON.

3. Set disc (YEDS-18) on the tray and press the CD u button to playback.

4. Confirm that oscilloscope waveform is as shown in the figure below. (eye pattern)

A good eye pattern means that the diamond shape (◊) in the center of the waveform can be clearly distinguished.

+ –

HCD-NEZ30

Checking Location:

HCD-NEZ30

MEMO

+ 35 hidden pages

Sony HCD-NEZ30 - Cd Deck Receiver Component Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual