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9

2.4.2.2.

Human body grounding

1. Use the anti-static wrist strap to discharge the static electricity form your body (Figure 2).

Figure 2

10

3 Service Navigation

3.1.

Service Information

This service manual contains technical information which will allow service personnel’s to understand and service this model.
Please place orders using the parts list and not the drawing reference numbers.

If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service
manual.

• CD Mechanism Unit (DLS6F):

1) This model uses CD Mechanism Unit (DLS6F).

• Micro-processor:

1) The following components are supplied as an assembled part.

• Micro-processor IC, (IC2100) is supplied as assembled part (RFKWMD55EG).

3.2.

Notes

This service manual contains technical information which will allow service personnel’s to understand and service this model.
Please place orders using the parts list and not the drawing reference numbers.

If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service
manual.

1) This service manual does not contains the following information
This simplified service manual is base on RX-D55EG-K. Please refer to the original service manual, RX-D55EG-K (Order No.
PSG1004005CE) for the below mention contents.

- Location of Controls and Components
- Self Diagnostic and Doctor Mode Setting
- Service Fixture & Tools
- Disassembly and Assembly Instructions
- Disassembly and Assembly of Traverse Unit
- Service Position
- Measurements and Adjustments
- Voltage Measurement & Waveform Chart
- Wiring Connection Diagram
- Schematic Diagram Notes
- Terminal Function of IC’s

2) This service manual contains include the following information

- Safety Precautions
- Warning
- Service Navigation
- Specifications
- Illustration of IC’s, Transistors and Diodes
- Schematic Diagram (MAIN & POWER CIRCUIT)
- Printed Circuit Board (MAIN, DECK, POWER, BATTERY (1), BATTERY (2) & MUSIC PORT P.C.B.)
- Exploded View and Replacement Parts List

11

3.3.

Different Points

Ref. No.

Parts No.

Parts name & Description

Remarks

RX-D55EG-K

RX-D55EE-K

26

RYQN0009H-S

RYQN0009L-S

BOTTOM CABINET ASS'Y

P1

RPGX3060

RPGX3061

PACKING CASE

A3

RQTX1034-D

RQTX1037-R

O/I BOOK (Ru/Ur)

A3

RQTX1035-E

-

O/I BOOK (Du/Da/Sw)

A3

RQTX1041-Z

-

O/I BOOK (En/Sp/Po/Cz)

PCB1

REPNT0065AA

REPNT0065BA

MAIN P.C.B

(RTL)

PCB3

REPNT0063G

REPNT0063H

POWER P.C.B

(RTL)

PCB6

REPNT0065AB

REPNT0065BB

DECK P.C.B

(RTL)

PCB9

REPNT0063G

REPNT0063H

BATTERY (1) P.C.B

(RTL)

PCB10

REPNT0063G

REPNT0063H

BATTERY (2) P.C.B

(RTL)

PCB11

REPNT0065AC

REPNT0065BC

MUSIC PORT P.C.B

(RTL)

IC4100

C0CBABC00115

C0CBABE00040

IC

IC5901

C0DBEKG00003

-

IC

Q5904

B1GBCFJN0033

-

TRANSISTOR

Q5905

B1ABCF000176

-

TRANSISTOR

D5914

B0JACE000003

-

DIODE

D5919

B0JACE000003

-

DIODE

D5920

B0ACCK000005

-

DIODE

D5921

B0EAKM000117

-

DIODE

D5922

B0EAKM000117

-

DIODE

D5923

B0EAKM000117

-

DIODE

D5924

B0EAKM000117

-

DIODE

D5927

-

B0ACCK000005

DIODE

D5928

-

B0EAKM000117

DIODE

D5929

-

B0EAKM000117

DIODE

D5930

-

B0EAKM000117

DIODE

D5931

-

B0EAKM000117

DIODE

T5904

G4C2AAH00002

-

SUB TRANSFORMER

RL5901

K6B1AEA00003

-

RELAY

R2115

ERJ3GEYF184V

ERJ3GEYF224V

220K        1/10W

R5900

ERJ3GEYJ153V

-

15K     1/10W

R5901

ERJ3GEYJ334V

-

330K    1/10W

R5907

ERJ3GEYJ103V

-

10K     1/10W

R5910

-

ERJ3GEYJ473V

47K     1/10W

R5912

ERJ3GEYJ473V

-

47K     1/10W

R5913

ERJ3GEYJ824V

-

820K    1/10W

POWER

R5914

ERJ3GEYJ683V

-

68K     1/10W

POWER

R5915

ERJ3GEYJ824V

-

820K    1/10W

POWER

R5917

-

ERJ3GEYJ103V

10K     1/10W

POWER

R5938

ERJ3GEYF184V

ERJ3GEYF154V

150K        1/10W

C4111

F2A1C471A030

F2A1E471A121

470uF   25V

C5905

F1H1H103A219

-

0.01uF  50V

C5906

F1H1H103A219

-

0.01uF  50V

C5907

F1H1H103A219

-

0.01uF  50V

C5908

F1H1H103A219

ERJ3GEY0R00V

0           1/10W

C5916

F1H1H104A913

-

0.1uF   50V

C5917

F2A1C220A019

-

22uF    16V

C5918

F2A1A2210012

-

220uF   10V

C5919

F1H1H104A913

-

0.1uF   50V

C5920

F1H1H104A913

-

0.1uF   50V

C5921

F1H1H104A913

-

0.1uF   50V

C5923

F1H1H104A913

-

0.1uF   50V

C5999

F2A1E220A122

-

22uF    25V

12

4 Specifications

I Amplifier Section
Output power

10 W x 2 (RMS MAX / DC)

PMPO output power

280 W

I FM/AM Tuner, Terminal Section
Frequency Modulation (FM)
Frequency range

87.50 MHz to 108.00 MHz (50 kHz

step)

Amplitude Modulation (AM)
Frequency range

522 kHz to 1629 kHz (9 kHz step)

520 kHz to 1630 kHz (10 kHz step)

Headphone jack
Terminal

Stereo, 3.5 mm jack (32 

Ω)

Music port (front) jack
Sensitivity

100 mV, 4.7 k

Ω

Terminal

Stereo, 3.5 mm jack

I Disc Section
Disc played (8 cm or 12 cm)
(1) CD-Audio (CD-DA)
(2) CD-R/RW (CD-DA, MP3* formatted disc)
(3) MP3*
* MPEG-1 Layer 3, MPEG-2 Layer 3
Bit rate
MP3

32 kbps to 320 kbps

Sampling frequency
CD

44.1 kHz

MP3

32 kHz, 44.1 kHz, 48 kHz

Decoding

16 bit linear

Beam source

Semiconductor laser (wavelength

795 nm (CD))

Frequency response

40 Hz to 20kHz

Number of channels

2 channel, stereo

Wow and flutter

Less than possible measurement

data

I Cassette Deck Section
Track system

4 track, 2 channel, stereo

Monitor system

Variable sound monitor

Recording system

AC bias 84 kHz

Erase system

Multi pole magnet

Overall frequency response
NORMAL

50 Hz to 12 kHz

I USB Section
USB port
Media file format support

MP3 (*.mp3)

USB device file system

FAT 12, FAT 16, FAT 32

USB port power

500 mA (Max)

I Speaker Section
Speakers

Impedance 4 

Ω

Full range

2 x 8 cm

Ceramic tweeter

2 x 1.5 cm

I General
Power supply
AC

230 V, 50 Hz

Battery

12 V (8 x LR14, C)

Memory back-up

6 V (4 x R6/LR6, AA)

Power consumption

27 W

Battery life (use only alkaline batteries)
Radio broadcast

3.2 hours

Radio recording

7 hours

CD playback

2.4 hours

CD recording

5 hours

Tape playback

2.5 hours

Dimensions (W x H x D)

408 mm x 148 mm x 271 mm

Mass

4 kg without batteries (4.6 kg with

batteries)

Operating temperature range

0

°C to +40°C

Operating humidity range

35% to 80 % RH (no condensation)

Power consumption in standby mode: 2.6 W (approximate)
Notes :
1. Specifications are subject to change without notices. 
Mass and dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum ana-
lyzer.