Sony CMT-SP55TC Bedienungsanleitung

CMT-SP55TC

AEP Model

UK Model

E Model

SERVICE MANUAL

MICRO HI-FI COMPONENT SYSTEM

• CMT-SP55TC is composed of following models.

As for the service manual, it is issued for each

component model, then, please refer to it.

AMPLIFIER CD PLAYER TAPE DECK TUNER SPEAKER SYSTEM

CMT-SP55TC TA-SP55 CDP-SP55 TC-SP55 ST-SP55 SS-CSP55

•Abbreviation

AED : North European

MY : Malaysia

SP : Singapore

KR : Korea

Part No. Description

1-476-136-11 REMOTE COMMANDER (RM-SSP55)

1-501-374-11 ANTENNA, LOOP (AM)

1-501-804-11 ANTENNA (FM)(EXCEPT MY, SP)

1-501-659-41 ANTENNA (FM) (MY, SP)

1-792-924-11 CORD (WITH CONNECTOR)(20P)(30cm)

1-792-954-11 CORD, CONNECTION (19P)(40cm)

4-230-235-11 MANUAL, INSTRUCTION (ENGLISH)(AEP, UK, MY, SP)

4-230-235-21 MANUAL, INSTRUCTION (FRENCH, SPANISH)(AEP, MY, SP)

4-230-235-31 MANUAL, INSTRUCTION (GERMAN, DUTCH)(AEP)

4-230-235-41 MANUAL, INSTRUCTION (ITALIAN, PORTUGUESE)(AEP)

4-230-235-51 MANUAL, INSTRUCTION (DANISH, FINNISH, SWEDISH)(AED)

4-230-235-61 MANUAL, INSTRUCTION (CHINESE)(MY, SP)

4-230-235-71 MANUAL, INSTRUCTION (KOREAN)(KR)

4-981-643-21 COVER, BATTERY (FOR RM-SSP55)

PARTS LIST(ACCESSORIES & PACKING MATERIALS)

COMPONENT MODEL NAME FOR CMT-SP55TC

Ver.1.1 2001.03

Sony Corporation

Audio Entertainment Group

General Engineering Dept.

9-929-541-12

2001C0900-1

CDP-SP55

SERVICE MANUAL

CDP-SP55 is the CD section in CMT-SP55MD

or CMT-SP55TC.

SPECIFICATIONS

MINI Hi-Fi COMPONENT SYSTEM

Model Name Using Similar Mechanism NEW

CD Mechanism Type CDM55C-K6BD38

Base Unit Type BU-K6BD38

Optical Pick-up Type KSM-213DCP/Z-NP

AEP Model

UK Model

E Model

General

Dimensions (w/h/d) Approx. 202 ×75 ×290 mm

Mass Approx. 1.5 kg

Design and specifications are subject to change

without notice.

System Compact disc and digital audio

system

Laser Semiconductor laser (λ=780 nm)

Emission duration: continuous

Laser output Max. 44.6 µW*

*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.

Frequency response 20 Hz – 20 kHz

Output

DIGITAL OPTICAL OUT: O

tical

TABLE OF CONTENTS

1. SERVICING NOTE ·························································· 4

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

3. DISASSEMBLY

3-1. Case ···················································································· 7

3-2. Front Panel Assy ································································· 7

3-3. CD Mechanism Deck (CDM55C-K6BD38) ······················ 8

3-4. Main Board ········································································· 8

3-5. CAM, GEAR ······································································ 9

3-6. Holder Assy ········································································ 9

3-7. Optical Pick-up ································································· 10

3-8. BD Board ·········································································· 10

4. ELECTRICAL ADJUSTMENT ·································· 11

5. DIAGRAMS

5-1. Circuit Boards Location ··················································· 14

5-2. Block Diagram ································································· 15

5-3. Printed Wiring Board –BD Section – ······························ 16

5-4. Schematic Diagram –BD Section – ································· 17

5-5. Printed Wiring Board –Main Section – ··························· 18

5-6. Schematic Diagram –Main Section – ······························ 19

5-7. Printed Wiring Board –Loading Section – ······················ 20

5-8. Schematic Diagram –Loading Section – ························· 20

5-9. IC Block Diagram ···························································· 20

6. EXPLODED VIEWS

6-1. Case and Front Panel Section ··········································· 22

6-2. CD Mechanism Deck Section (CDM55C-K6BD38) ······· 23

6-3. Base Unit Section (BU-6BD38) ······································· 24

7. ELECTRICAL PARTS LIST ······································· 25

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.

MODEL IDENTIFICATION

— BACK PANEL —

• Abbreviation

AED : North European model

HK : Hong Kong model

MY : Malaysia model

SP : Singapore model

KR : Korea model

MODEL

AEP,UK,AED models

HK,MY,SP models

KR model

PARTS No.

4-229-674-0s

4-229-674-2s

4-229-674-3s

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINEWITH

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.

Parts No.

This unit cannot be repaired by itself.

When repairing, connect the whole system except for the speaker.

CDText Display

• This unit displays CD text.

Text is displayed for the first 50 track only and will not be displayed from the 51st track onwards. Do not suspect a fault in this case.

In some cases, some special characters will not be displayed and may be replaced by other characters. Do not suspect a fault in this case.

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. When the power ON, press the ?/1button (TA) while pressing the TUNING MODE button (ST) and ML buttons (CDP)

together.

2. “COLD RESET” is displayed on the fluorescent indicator tube and reset is executed.

Hot Reset

• This mode reset the preset data kept in the memory. The hot reset mode functions same as if the power cord is plugged in and out.

Procedure :

1. When the power ON, press the ?/1button (TA) while pressing the TUNING MODE button (ST) and lm buttons (CDP)

together.

2. Turn off the unit and reset is executed.

GCTest Mode

Procedure :

1. When the power ON, press the ?/1button (TA) while pressing the TUNING MODE button (ST) and PLAY MODE buttons (CDP)

together.

2. Fluorescent indicator tube are all turned on.

3. Press TUNING MODE button (ST) to enter the model destination indecation mode. “SP55 CE2” appears.

4. Every pressing of TUNING MODE button (ST) changes the display in the following order.

MC Version tCD Version tST Version tTC Version tTA Version tTM Version tmodel destination display.

5. Press DISPLAY button (ST) and the date appears as “ 00615a ”

Every pressing of DISPLAY button (ST) changes the display in the Version display and model destination display.

6. Press TUNER/BAND button (ST) to enter the key check mode.

7. In the key check mode, the fluorescent indicator tube displays “Key 0 Vol 0”. Each time a button is pressed, “Key” value increases.

However, once a button is pressed, it is no longer taken into account.

“Vol” Value increases like “1, 2, 3 ...” if rotating VOLUME knob (TA) in the clockwise direction, or decreases like “0, 9, 8 ...” if rotating

in the counterclockwise diretion.

8. To exit from this mode, press three buttons in the same procedure as step 1, or disconnect the power cord.

SECTION 1

SERVICING NOTE

Aging Mode

• Mode for repeating operations of the CD player and TC deck automatically.

When errors occur:

Aging stops and a message indicating that an error has occurred such as “CD MEC ERR” is displayed.

(For details of errors, refer to “Error History Display Mode”.)

When no errors occur:

Aging is repeatedly performed.

Procedure:

1. Load any CD and a tape.

2. Select the function “ CD ” using the FUNCTION knob (TA).

3. While pressing the TUNING MODE button (ST) and Hbutton (CDP), press the ?/1button (TA).

4. “AGING” is displayed on the fluorescent display tube briefly.

5. Operations are performed in the following sequence during aging.

Every pressing of DISPLAY button (ST) changes the display in the CD display and TAPE display.

6. To end aging, execute the cold reset.

Error History Display Mode

Mode for checking the history of errors which have occurred in the CD player.

Execute this mode after ending the aging mode.

Procedure:

1. Select the function “ CD ” using the FUNCTION knob (TA).

2. While pressing the TUNING MODE button (ST) and Sbutton (CDP), press the ?/1button (TA).

3. “EMC@@EDC**” id displayed.

@@ : Number of mechanism errors (Last 3 errors)

** : Number of errors (NO DISC ERROR) which occurred after chucking (Last 3 errors)

4. To end, press the ?/1button (TA) and turn OFF the power.

Note: To erase the error history, perform cold reset.

(While pressing the TUNING MODE button (ST) and ML button (CDP), press the ?/1button (TA).)

CD : Cassette :

Reading of TOC

Playback of first track (3sec.)

Playback of last track (3sec.)

CD tray open

CD tray close

REW (Shut off) "TAPE AG-1"

PLAY

REV PLAY

REW

(2 min) "TAPE AG-2"

(Shut off) "TAPE AG-3"

(2 min) "TAPE AG-4"

(Shut off) "TAPE AG-5"

(Shut off) "TAPE AG-6"

(Shut off) "TAPE AG-7"

"TAPE AG-8"

"TAPE AG-9"

(Shut off)

REW

OPEN

SECTION 2

GENERAL

1PLAY MODE button

2REPEAT button

3Hbutton

4Sbutton

5sbutton

q; 9

1 2 3 4 5

6lm button

7ML button

8Abutton

9Sindicator

q; Hindicator

Step 2: Setting the time

You must set the time beforehand to use the timer

functions.

The clock is on a 24-hour system for the European

model, and a 12-hour system for other models.

The 24-hour system is used for illustration

purposes.

Set the time before turning on the system.

`/1

2,3

2,32,3

Press CLOCK/TIMER SET while the

system is off.

The hour indication flashes.

Press .or >to set the hour, then

press ENTER/YES.

The minute indication flashes.

Press .or >to set the minute,

then press ENTER/YES.

The clock starts.

If you made a mistake

Start over from step 1.

To change the preset time

You can change the preset time while the system

is on.

1Press CLOCK/TIMER SET.

2Press .or >repeatedly until “SET

CLOCK” appears, then press ENTER/YES.

3Repeat steps 2 and 3.

Tips

• The built-in clock shows the time in the display

while the system is off. If you press DISPLAY at

this time, the display back light lights up, making

the clock easier to see.

• The upper dot of the colon flashes for the first 30

seconds, and the lower dot flashes for the last 30

seconds of each minute.

This section is extracted from

instruction manual.

SECTION 3

DISASSEMBLY

3-1. CASE

3-2. FRONT PANEL ASSY

1two screws

(case 3 TP2

)

4case

1two screws

(case 3 TP2) 2

Set Case Front Panel Assy

CD Mechanism Deck (CDM55C-K6BD38)

Holder Assy Optical pick-up

Main Board (Page 8)

Cam, Gear

BD Board

(Page 9) (Page 10)

(Page 9)(Page 8)

(Page 10)

1connector

(CN711)

4screw (BVTP 3x12)

5front panel assy

2two screws

(BVTP 3x12)

3two foot assy's

claws

3-3. CD MECHANISM DECK (CDM55C-K6BD38)

3-4. MAIN BOARD

2connector

(CN112)

3screw (BVTP 3x8)

two claws

5CD mechanism deck

41flat type wire (19 core

)

(CN713)

1screw (BVTP 3x8

)

2main board

3-5. CAM, GEAR

3-6. HOLDER ASSY

4belt (CDM55)

6pulley (LDG)

9gear (A)

8gear (B)

7roller

2Push the claw in tne

direction of arrow C.

0cam (CDM55)

3Pull out the tray.

5bushing

BRelease

1Pull out the tray in the arrow direction A,

and release the lock while pressing

this claw in the arrow direction B.

2Remove the Holder (BU) ass

in the direction of arrow A.

1floating screw

(PTPWH M2.6)

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