Sony Hcd-vz0 User manual

HCD-VZ10

SERVICE MANUAL

HCD-VZ10 is the tuner, deck, CD and amplifier

section in MHC-VZ10.

SPECIFICATIONS

MINI Hi-Fi COMPONENT SYSTEM

— Continued on next page —

Model Name Using Similar Mechanism NEW

CD Mechanism Type CDM53F-K2BD37A

Base Unit Type BU-K2BD37A

Optical Pick-up Type KSM-213DAP

Model Name Using Similar Mechanism HCD-ZX10

Tape Transport Mechanism Type TCM-230AWR12

SECTION

TAPE DECK

SECTION

E Model

Amplifier section

The following measured at AC 120/220/240 V,

50/60 Hz

DIN power output (rated) 160 + 160 W

(6 Ωat 1 kHz, DIN)

Continuous RMS power output (reference)

200 + 200 W

(6 Ωat 1 kHz,

10% THD)

Inputs

VIDEO (AUDIO) IN: voltage 250 mV,

(phono jacks) impedance 47 kΩ

MD IN: voltage 450 mV,

(phono jacks) impedance 47 kΩ

MIC 1/2: Sensitivity 1 mV,

(mini jack) impedance 10 kΩ

Outputs

MD OUT: voltage 250 mV

(phono jacks) impedance 1 kΩ

VIDEO OUT: max. output level

(phono jack) 1Vp-p, unbalanced,

Sync negative, load impedance

75 Ω

S-VIDEO OUT: Y: 1Vp-p, unbalanced,

(4-pin/mini-DIN jack) Sync negative,

C: 0.286Vp-p,

load impedance 75 Ω

PHONES: accepts headphones of

(stereo mini jack) 8 Ωor more

FRONT SPEAKER: accepts impedance of 6 to 16 Ω

SURROUND SPEAKER: accepts impedance of 16 Ω

SUPER WOOFER: Voltage 1 V, impedance 1 kΩ

VIDEO CD/CD player section

System Compact disc and digital audio

system

Laser Semiconductor laser

(λ=780nm)

Emission duration: continuous

Laser output Max. 44.6

*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.

Wavelength 780 – 790 nm

Frequency response 2 Hz – 20 kHz (±0.5 dB)

Signal-to-noise ratio More than 90 dB

Dynamic range More than 90 dB

Video color system format

NTSC, PAL

CD OPTICAL DIGITAL OUT

(Square optical connector jack, rear panel)

Wavelength 660 nm

Output Level –18 dBm

Tape player section

Recording system 4-track 2-channel stereo

Frequency response 40 – 13,000 Hz (±3 dB),

(DOLBY NR OFF) using Sony TYPE I cassette

40 – 14,000 Hz (±3 dB),

using Sony TYPE II cassette

Wow and flutter ±0.15% W.Peak (IEC)

0.1% W.RMS (NAB)

±0.2% W.Peak (DIN)

Tuner section

FM stereo, FM/AM superheterodyne tuner

FM tuner section

Tuning range 87.5 –108.0 MHz (50 kHz step)

Antenna FM lead antenna

Antenna terminals 75 Ωunbalanced

Intermediate frequency 10.7 MHz

AM tuner section

Tuning range

Middle Eastern model: 531 –1,602 kHz

(with the interval set at

9 kHz)

Other models: 531 –1,602 kHz

(with the interval set at

9 kHz)

530 –1,710 kHz

(with the interval set at

10 kHz)

Antenna AM loop antenna

Antenna terminals External antenna terminal

Intermediate frequency 450 kHz

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This appliance is classified as a CLASS 1 LASER product. The

CLASS 1 LASER PRODUCT MARKING is located on the rear

exterior.

Laser component in this product is capable

of emitting radiation exceeding the limit for

Class 1.

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.

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.

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 pick-

up block. Therefore, when checking the laser diode emission,

observe from more than 30 cm away from the objective lens.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE WITH

MARK 0ON 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.

General

Power requirements

Thai model: 220 V AC, 50/60 Hz

Other models: 120 V, 220 V or

230 –240 V AC, 50/60 Hz

Adjustable with voltage selector

Power consumption 240 W

Dimensions (w/h/d) Approx. 250 x 375 x 395 mm

Mass Approx. 13.0 kg

Supplied accessories: AM loop antenna (1)

FM lead antenna (1)

Remote Commander (1)

Batteries (2)

Video cable (1)

Speaker cords (4)

Front speaker pads (8)

Design and specifications are subject to change

without notice.

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MODEL IDENTIFICATION

— BACK PANEL —

TABLE OF CONTENTS

1. SERVICE NOTE ······························································· 4

2. GENERAL ·········································································· 5

3. DISASSEMBLY

3-1. Case ···················································································· 8

3-2. Front Panel Section ···························································· 8

3-3. Tape Mechanism Deck Section (TCM-230AWR12) and

MIC Board ·········································································· 9

3-4. Back Panel Section ····························································· 9

3-5. Main Board, Front AMP Board ········································ 10

3-6. CD Base Unit (BU-K2BD37A) ········································ 10

3-7. CD Mechanism Deck Section (CDM53F-K2BD37A) ····· 11

3-8. Fitting Base (Guide) Assy, Bracket (Chassis) and

Fitting Base (Magnet) Assy ·············································· 11

3-9. Tray (Sub) ········································································· 12

3-10. Chassis (Mold B) Section, Stocker Section and

Slider (Selection) ······························································ 12

3-11. Gears Installation ······························································ 13

3-12. Slider (Selection) Installation ··········································· 13

3-13. Stocker Section Installation ·············································· 14

3-14. Chassis (Mold B) Section Installation ······························ 14

4. TEST MODE ···································································· 15

5. MECHANICAL ADJUSTMENTS ····························· 20

6. ELECTRICAL ADJUSTMENTS ······························· 20

7. DIAGRAMS

7-1. Circuit Board Location ····················································· 25

7-2. Block Diagrams ································································ 28

7-3. Printed Wiring Board –BD Section – ······························ 32

7-4. Schematic Diagram –BD Section – ································· 33

7-5. Printed Wiring Board –Video Section – ·························· 34

7-6. Schematic Diagram –Video Section (1/3) – ···················· 35

7-7. Schematic Diagram –Video Section (2/3) – ···················· 36

7-8. Schematic Diagram –Video Section (3/3) – ···················· 37

7-9. Printed Wiring Board –Deck Section – ··························· 38

7-10. Schematic Diagram –Deck Section – ······························ 39

7-11. Printed Wiring Board –Main Section – ··························· 40

7-12. Schematic Diagram –Main (1/3) Section – ····················· 41

7-13. Schematic Diagram –Main (2/3) Section – ····················· 42

7-14. Schematic Diagram –Main (3/3) Section – ····················· 43

7-15. Printed Wiring Board –AMP Section – ··························· 44

7-16. Schematic Diagram –AMP Section – ······························ 45

7-17. Printed Wiring Board –Panel Section – ··························· 46

7-18. Schematic Diagram –Panel Section – ····························· 47

7-19. Printed Wiring Board –Switch Section – ······················· 48

7-20. Schematic Diagram –Switch Section – ··························· 49

7-21. Printed Wiring Board –CD Mechanism Section – ·········· 50

7-22. Schematic Diagram –CD Mechanism Section – ············· 51

7-23. Printed Wiring Board –Power Supply Section – ············· 52

7-24. Schematic Diagram –Power Supply Section – ················ 53

7-25. Printed Wiring Board –MIC Section – ···························· 54

7-26. Schematic Diagram –MIC Section – ······························· 54

7-27. Printed Wiring Board –Leaf SW Section – ····················· 55

7-28. Schematic Diagram –Leaf SW Section – ························ 55

7-29. IC Block Diagrams ··························································· 56

7-30. IC Pin Descriptions ·························································· 58

8. EXPLODED VIEWS

8-1. Back Panel Section ··························································· 69

8-2. Front Panel Section ·························································· 70

8-3. Chassis Section ································································· 71

8-4. CD Mechanism Deck Section-1 (CDM53F-K2BD37A) ·· 72

8-5. CD Mechanism Deck Section-2 (CDM53F-K2BD37A) ·· 73

8-6. Base Unit Section (BU-K2BD37A) ································· 74

8-7. Tape Mechanism Deck Section (TCM-230AWR12) ········ 75

9. ELECTRICAL PARTS LIST ······································· 76

•Abbreviation

SP : Singapore model

MY : Malaysia model

HK : Hong Kong model

TH : Thai model

EA : Saudi Arabia model

MODEL

SP, MY models

HK model

TH model

EA model

PARTS No.

4-226-747-3s

4-226-747-4s

4-226-747-5s

4-226-747-6s

Parts No.

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SECTION 1

SERVICE NOTE

SELF-DIAGNOSIS

This model has the self-diagnosis function for the VIDEO and AUDIO decoder sections.

Connecting to the LED between TP522 and TP523 on the VIDEO BOARD.

Immediately after the power on, the self-diagnosis function searches each operation of IC’s around the mechanism control microcomputer

(IC701). and TP5

The results can be checked by LED of the VIDEO board.

Oscilloscope (Waveform) Symptom

No error

MPEG decoder (IC505)

error

MPEG decoder (IC505)

DRAM (IC507) error

[VIDEO BOARD] (SIDE A)

2 time blinkin

3 time blinkin

TP523 TP522

LED

IC505

100 91

33 64

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SECTION 2

GENERAL

1?/1 button and indicator

2TAPE A hbutton and indicator

3TAPE A Hbutton and indicator

4TAPE B hbutton and indicator

5TAPE B Hbutton and indicator

6xbutton

7CD indicator

8SOUND MODE indicator

9SET UP MODE indicator

q; CINEMA SPACE button and indicator

qa V-GROOVE button and indicator

qs MODE SELECT button

qd PUSH ENTER button/Multi stick

qf TUNER/BAND button

qg ubutton

qh VOLUME knob

qj Z1 to Z5 buttons

qk DISC 1 to DISC 5 buttons

ql PHONES jack

w; PREVIOUS button

wa NEXT button

ws RETURN button

wd SELECT button

wf FUNCTION button

wg DISPLAY button

wh TIMER SELECT indicator

wj .button

wk >button

wl mbutton

e; Mbutton

ea GROOVE EX button

es GROOVE button

ed TAPE B Zbutton

ef DISC 1 to DISC 5 indicator

eg MIC 2 jack

eh MIC 1 jack

ej MIC VOL knob

ek ECHO VOL knob

el TAPE A Zbutton

r; REC PAUSE/START button

ra HI-DUB button

rs CD SYNC button

12 wj wk wl e;3 45 6 789

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This section is extracted from

instruction manual.

Getting Started

Using the remote

You can use the shaded buttons shown below to

operate a Sony TV.

Turn the TV on or off

Switch the TV’s

video input

Change the TV

channels

Adjusts the volume

of the TV speaker(s)

Tip

With normal use, the batteries should last for about

six months. When the remote no longer operates the

system, replace both batteries with new ones.

Note

If you do not use the remote for a long period of time,

remove the batteries to avoid possible damage from

battery leakage.

When carrying this system

Do the following to protect the CD mechanism.

Make sure that all discs are removed from the

unit.

1Press FUNCTION repeatedly until “CD”

appears in the display.

2Hold down V-GROOVE and press ?/1 so that

“LOCK” appears in the display.

Step 2: Setting the time

You must set the time before using the timer

functions.

The clock is on a 12-hour system.

?/1

(Power) 12,3,4,5,6

Press

TV ?/1.

TV/VIDEO.

TV CH +/–.

TV VOL +/–.

continued

TV VOL +/

TV CH +/

TV/VIDEO

Press MODE SELECT when the system

is turned off.

“Clock Set ?” appears.

Press PUSH ENTER.

The hour indication flashes.

3Move the multi stick toward vor V

repeatedly to set the hour.

4Move the multi stick toward B.

The minute indication flashes.

5Move the multi stick toward vor V

repeatedly to set the minute.

6Press PUSH ENTER.

To cancel the menu operation

Press MODE SELECT.

Tips

•Refer to the illustration to use the multi stick. Place

your finger on the center of the multi stick and

move in the direction you want (up/down or left/

right shown v/V or b/B in this manual).

•If you’ve made a mistake, start over from step 1.

To change the time

The previous explanation shows you how to set

the time while the power is off. To change the

time while the power is on, do the following:

1Press MODE SELECT repeatedly to select “Set

Up Mode”, then press PUSH ENTER.

2Move the multi stick toward bor Brepeatedly

to select “Timer Set Up ?”, then press PUSH

ENTER.

3Move the multi stick toward bor Brepeatedly

to select “Clock Set ?”, then press PUSH

ENTER.

4Perform steps 3 through 6 on the left.

Note

The clock settings are canceled when you disconnect

the power cord or if a power failure occurs.

Up (v)

Right (B)

Left (b)

Down (V)

Step 2: Setting the time

(continued)

PUSH

ENTER

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Sony Corporation Printed in Malaysia

•To cancel the menu

operation, press MODE

SELECT.

•The items with asterisk (*)

cannot be selected depending on

the situation.

•The items in double box are not

in the menu. In order to select the

doublebox items, press the

corresponding buttons on the

front panel or on the remote.

•Select “Mode End”to finish the

menu operation.

Cannot be selected during CD

playback.

Cannot be selected during CD

program playback.

Items in “Sound Mode” and “Set Up Mode”

The numbers in parenthesis denotes the page number for the item.

Sound Mode

File Select (47)

P File Memory (51)

Equalizer Control (50)

Cinema Space (49)

Mode End

Set Up Mode

CD Set Up ?

TUNER Set Up ?

TAPE Set Up ?

Timer Set Up ?

Mode End

Display Set Up ?

Repeat Set Up ? (35)

CD Edit Start ? (44)

Program Set ? (37, 41)

Mode End

Play Mode Set Up ? (12, 14)

TUNER Memory ? (9)

TUNER Erase ? (10)

Mode End

Direction Set Up ? (15, 18, 20, 22, 40, 42)

Mode End

DOLBY NR Set Up ? (16, 19, 21, 41, 43)

Mode End

Dimmer Set Up ? (48)

Spectrum Set Up ? (48)

Clock Set ? (7)

Mode End

Timer Select ? (55, 57)

Timer Set ? (54, 56)

Effect OnpOff/OffpOn (47)

PGM Check Clear (39, 43)

Picture Effect (34)

Stereo Mono ? (17)

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3-1. CASE

3-2. FRONT PANEL SECTION

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

1three screws

(BVTT 3 ×8)

2two screws

(BVTT 3 ×8)

3three screws

(case 3 TP2)

4three screws

(case 3 TP2)

5Remove the case

in the arrow direction.

1flat type wire (15core)

(CN601)

8front panel section

2flat type wire (17core)

(CN001)

3flat type wire (11core)

(CN503)

4connector

(CN1691)

6connector

(CN103)

5connecto

(CN914)

7three screws

(BVTT 3 ×6)

SECTION 3

DISASSEMBLY

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3-3. TAPE MECHANISM DECK SECTION (TCM-230AWR12)

AND MIC BOARD

3-4. BACK PANEL SECTION

1two screws

(BVTP 3 ×8)

2two screws

(BVTP 3 ×8)

5two screws

(BVTP 2.6 ×8)

7two screws

(BVTP 2.6 ×8)

9MIC board

4two knobs (MIC)

3tape mechanism deck section

(TCM-230AWR12)

2screw

(BVTP 3 ×8)

3two screws

(BVTP 3 ×8)

6screw

(BVTP 3 ×8)

4five screws

(BVTP 3 ×8)

5four screws

(BVTP 3 ×8)

7three screws

(BVTP 3 ×8)

9three screws

(BVTP 3 ×8)

8two screws

(BVTP 3 ×8)

qa connector

(CN941)

claws

1flat type wire (13core)

(CN502)

0Remove the back panel sectio

in the arrow direction.

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3-5. MAIN BOARD, FRONT AMP BOARD

3-6. CD BASE UNIT

(BU-K2BD37A)

1connector

(CN713)

7connector

(CN913)

8connector

(CN801)

5two connectors

(CN803, CN804)

6MAIN board

2flat type wire (17core)

(CN522)

3flat type wire (13core

)

(CN523)

4two screws

(BVTP 3 ×8)

9two screws

(BVTP 3 ×16)

0two screws

(BVTP 3 ×8)

qs two screws

(BVTP 3 ×8) qa heat sink

qd Remove the FRONT AMP board

in the arrow direction.

1three screws

(BVTP 3 ×6)

3two screws

(PTPWH M 2.6)

5two screws

(PTPWH M 2.6

)

4spring (insulator),

compression 6spring (insulator),

compression

7CD base unit

(BU-K2BD37A)

2chassis

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