Technics SX-PX554 Bedienungsanleitung

ORDER NO. EMID0004007C0

Digital Piano

SX-PX554 / SX-PX554M

(P) U.S.A.

(PC) Canada

(PY) Mexico

(EX) Norway, Sweden, Denmark, Finland, Spain, Portugal, Greece, South

Africa

(EZ) Germany

(EG) Switzerland, Italy, Austria, Holland, Belgium, France

(EB) the United Kingdom

(GN) Australia, New Zealand

(XS) Malaysia, Singapore

(XT) Taiwan

(X) Thailand, Columbia, Panama, Philippines

(XA) Argentina

(XD) Hong, Kong

SPECIFICATIONS

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Digital Piano 1

SPECIFICATIONS 1

1. WARNING 3

2. SAFETY PRECAUTION 3

2.1. Safety precaution 3

2.2. Insulation resistance test 4

3. OWNERS MANUAL 4

4. HOW TO ASSEMBLE THE PIANO 4

5. KEYBOARD RANGES 6

6. PARTS LOCATION 7

7. DISASSEMBLY INSTRUCTIONS 7

7.1. Removing the top cover 7

7.2. Removing the keyboard cover 7

7.3. Removing the control panel 8

7.4. Removing the keyboard assembly 8

7.5. Key(s) 9

7.6. Disassembly of the pedal assembly 10

7.7. Removing the speakers 10

7.8. Removing the printed circuit boards 11

8. SELF-DIAGNOSTIC FUNCTIONS 12

9. PRECAUTIONS BEFORE SERVICING 14

9.1. Precautions for measuring of the output waveforms 14

9.2. Important safety notice 15

9.3. Symbolic marks 15

9.3.1. Resistors 15

Table-1 15

9.3.2. Capacitors 16

Table-2 16

10. MEASURING CONDITION 16

10.1. Measuring condition of MAIN P.C.B. 17

10.2. Measuring condition of FAJSP P.C.B. 17

11. SCHEMATIC DIAGRAM 18

12. PRINTED CIRCUIT BOARD 18

12.1. MAIN, FAJSP, CPL P.C.B. 18

12.2. CPR, MKB1, MKB2, PKB, COM, HP P.C.B. 18

13. BLOCK DIAGRAM 18

14. WIRING CONNECTION DIAGRAM 18

15. REPLACEMENT PARTS LIST 18

16. CABINET PARTS LOCATION 37

17. PACKAGING 40

svcdoc

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KEYBOARD 88 KEYS

MAX. POLYPHONY 64 NOTES

SOUND 18 SOUNDS: CONCERT

GRAND, POP GRAND,

UPRIGHT, E PIANO 1, E PIANO

2, HARPSI, VIBES, STRINGS,

VOCAL, ORGAN PRESETS

PEDAL SOFT, SOSTENUTO, SUSTAIN

BRILLIANCE MELLOW, BRIGHT (5 STEPS)

DIGITAL EFFECT Supported

DIGITAL REVERB Supported (ROOM, STAGE,

HALL, CONCERT)

TOUCH SENSITIVITY LIGHT, NORMAL, HEAVY

TRANSPOSE G - C - F#

TUNING 427.3Hz-440.0Hz-453.0Hz

METRONOME Supported (TIME SIGNATURE:

OFF, 2/4, 3/4, 4/4, 5/4, 6/8)

SEQUENCER TRACK (1, 2), STORAGE

CAPACITY: APPROX. 4500

NOTES, RECORDING MODE:

REAL TIME

DISPLAY Supported

DEMO Supported

MIDI MILTI TIMBRE, LOCAL

CONTROL, OMNI ON,

PROGRAM CHANGE, PEDAL,

EFFECT, TRANSPOSE

MODE SET PIANO TUNING, MINIMUM

RANGE

OTHERS POWER SWITCH, MAIN VOLME,

MIDI TERMINALS (IN, OUT),

PEDAL IN, AUX IN (R/R+L,L),

LINE OUT (R/R+L,L),

COMPUTER, HEADPHONES ×

2, AC IN, INITIAL KEY

OUTPUT 120 W (60 W × 2)

SPEAKERS 14 cm × 2, 6.5 cm × 2

POWER REQUIREMENT 160 W

AC 120V/220/230-240 V 50/60Hz

/ AC 120V 60Hz (NORTH

AMERICA AND MEXICO) /

AC230-240 V 50/60Hz

(EUROPE, AUSTRALIA AND

NEWZEALAND)

DIMENSIONS (W×H×D) 138.7 cm × 106.4 cm × 52 cm (54

-19/32” x 41-7/8” x 20-15/32”)

NET WEIGHT 56 kg (123.5 lbs.)

ACCESSORIES AC CORD

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1. WARNING

To prevent the risk of fire, smoke, or electrical shock and to ensure safe operation, please be sure to

follow the safety guidelines below.

1. At places where special caution is required, the necessary safety

precautions are clearly labeled or printed, for example, on the cabinet,

or on the part concerned. Please follow these safety precautions, and

also those listed in the Owner's Manual.

2. Parts which have a mark in the circuit diagram or in the parts list

are essential for safety. When replacing these parts, be sure to use

only the specified parts.

3. Use the specified types for internal wiring (double-insulated wiring,

etc.).

4. When replacing parts on the AC primary side (power transformer,

electric switch, electrical cord, noise-prevention condenser, etc.), wind

the lead wire and secure it by soldering.

5. Do not let the wiring come into contact with heat-emitting devices

(fuse resistor, radiator plate, etc.).

6. When replacing the wiring, make sure that it is not in contact with the

unfinished or rough edge of a part.

7. When replacing the power cord (except for the plug-in type), tug it

from various directions to confirm that it does not slip out of place.

8. Spacing

If soldering was done on the AC primary circuit, confirm that the

interval between the soldered terminals or between the terminal and

surrounding metallic parts is at least the minimum required (between

the primary circuit and the chassis: at least 6.5 mm; between primary

circuit terminals: at least 4.0 mm; between primary circuit terminals

and secondary circuit terminals: at least 6.5 mm.).

2. SAFETY PRECAUTION

2.1. Safety precaution

1. Before servicing, unplug the power cord to prevent an electric shock.

2. When replacing parts, use only the manufacturer’s recommended

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components for safety.

3. Check the condition of the power cord. Replace if wear or damage is

evident.

4. After servicing, be sure to restore the lead dress, insulation barriers,

insulation papers, shields, etc.

5. Before returning the serviced equipment to the customer, be sure to

make the following insulation resistance test to prevent the customer

from being exposed to a shock hazard.

2.2. Insulation resistance test

1. Unplug the power cord and short the prongs of the plug with a jumper

wire.

2. Turn on the power switch.

3. Measure the resistance value with an ohmmeter between the jumpered

AC plug and each exposed metal cabinet part, such as screw heads,

connectors, control shafts, handle brackets, etc. Measurements

should range from 4 M Ohm to infinity for all exposed parts.

Figure-1

3. OWNERS MANUAL

4. HOW TO ASSEMBLE THE PIANO

To prevent the piano unit from falling off the stand, secure it firmly with the screws.

1. Assemble the right and left planks

- Assemble the right and left planks to the pedal box with the 4 brass-

colored screws.

- Loosen the pedal cord, stowed on the inner side of the pedal box, and

extend it.

Figure-2

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2. Place the stand uplight and mount the panel

- Place the stand upright and mount the rear panel with 2 black screws A

and 4 black screws B.

- Run the screws directly into the pedal box as there are no rough holes

in the pedal box.

Figure-3

3. Place the piano body

- Place the piano body on the stand and secure it with 4 black screws A.

Figure-4

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4. Connect the pedal cord and power cord

- Connect the pedal cord and power cord to the terminals located on the

rear of the piano unit as shown below.

- Secure the pedal cord to the clamps as shown in the figure.

Figure-5

5. KEYBOARD RANGES

This keyboard features Touch Response, by which you control the volume by playing the keys harder

or softer.

Figure-6

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6. PARTS LOCATION

Figure-7

7. DISASSEMBLY INSTRUCTIONS

7.1. Removing the top cover

1. Remove the top cover mounting screws (A 4 pcs.) as shown in Figure-

2. Slide the top cover forward and lift up (as shown by the arrows).

7.2. Removing the keyboard cover

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1. Remove the top cover (see step “Removing the top cover”).

2. Match the gears of the keyboard cover with the notches in the guide

rail, and lift up the keyboard cover as shown in Figure-8.

Figure-8

7.3. Removing the control panel

- Pull out the connectors on the control panel.

1. Remove the keyboard cover (see step “Removing the keyboard cover

”).

2. Remove the control panel mounting screws (A 2 pcs. and B 1 pc.) as

shown in Figure-9.

3. Slide the control panel forward and pull out (as shown by the arrow).

Figure-9

7.4. Removing the keyboard assembly

1. Remove the control panel (see step “Removing the control panel).

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2. Remove the keyboard assembly mounting screws located on the

bottom of the cabinet (A 10 pcs.) as shown in Figure-10.

Figure-10

7.5. Key(s)

Disassembly

1. Remove the keyboard assembly (see step “Removing the keyboard

assembly”).

2. While inserting a thin plate to press down a claw, push the rear of the

key forward to disengage the key claw from the chassis.

3. Lift the key up to remove it.

Note:

- The key claw is easily broken. Do not apply undue force. Should a key

claw break, it can still be used.

- If a black key is to be replaced, it is necessary to remove both adjacent

white keys.

Figure-11

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