Panasonic RX-ES29GS Bedienungsanleitung

nRADIO

Frequency range

FM 87.50-108.00 MHz (50 kHz steps)

M522-1629 kHz (9 kHz steps)

520-1630 kHz (10 kHz steps)

nCD PLAYER

Sampling frequency 44.1 kHz

Decoding 16 bit linea

Beam source Semiconductor laser (wavelength

780 nm)

No. of channels 2 channel, stereo

Wow and flutter Below measurable limit

D/A converter MASH (1 bit DAC)

nTAPE RECORDER

Track system Stereo

Monitor system Variable sound monito

Recording system AC bias

Erasing system Multi Pole magnet

Frequency range

Normal position 50-14000 Hz

nGENERAL

Speakers 8cm5.4Ωx2

rights reserved. Unauthorized copying and

distribution is a violation of law.

RX-ES29GC

RX-ES29GS

RX-ES29GT

Colour

(S)..........Silver Type

Jacks

Output Phones: 3.5 mm stereo (16-32Ω)

Power requirement (For GC/GS)

C110-127 V / 220-240 V, 50/60 Hz

Power consumption 33 W

Power requirement (For GT)

C110V,60Hz

Power consumption 32 W

Battery 12 V [Eight R20/LR20 (D, UM-1)

batteries]

lDo not use rechargeable type batteries

Memory backup for

computer/clock

6 V [Four R6/LR6 (AA, UM-3)

batteries]

lDo not use rechargeable type batteries

Dimensions 529 mm (W) x 144 mm (H) x 276

mm (D)

Mass (For GC/GS) 4.4 kg without batteries

Mass (For GT) 4.2 kg without batteries

Power consumption in standby

mode (For GC/GS)

3.0 W (117 V)

3.5W (240 V)

Power consumption in standby

mode (For GT)

2.7 W

Notes:

1. Specifications are subject to change without notice.

2. Mass and dimensions are approximate.

Portable Stereo CD System

Specification

Order No. MD0503060C3

All manuals and user guides at all-guides.com

all-guides.com

1 Safety Precautions 3

1.1. GENERAL GUIDELINES 3

2 Caution for AC Mains Lead 4

3 Before Use 5

4 Before Repair and Adjustment 5

5 Protection Circuitry 5

6 Handling the Lead Solder 5

6.1. About lead free solder (PbF) 5

7 Precaution of Laser Diode 6

8 Handling Precautions For Traverse Deck 7

9 Accessories 8

10 Operation Procedures 9

10.1. Main unit 9

10.2. Remote control 10

11 Information on MP3 11

12 Disassembly and Main Component Replacement Procedures

and Operational Check 12

12.1. Disassembly procedures 12

12.2. Disassembly flow chart 12

12.3. Checking Procedure for each major P.C.B. 13

12.4. Procedures for Replacing Pinch Roller and Head Block

(Deck Mechanism Unit) 21

12.5. Procedures for Replacing Motor, Capstan Belt A, Capstan

Belt B, and Winding Belt (Deck Mechanism Unit) 21

12.6. Procedures for Replacing Parts on Deck Mechanism PCB

12.7. Procedures of Replacing Traverse Base (Unit), Driving

Gear, and Cam Gear (CD Mechanism Unit) 23

12.8. Procedures for Replacing Optical Pickup (CD Mechanism

Unit) 26

12.9. Procedures for Replacement Traverse Gear A and

Traverse Gear B (CD Mechanism Unit) 27

13 Procedure for checking of the major P.C.B. 29

13.1. Checking the Main P.C.B., Panel P.C.B., Deck Mechanism

P.C.B., CD Servo P.C.B., Battery P.C.B., Sensor P.C.B.,

Power-On P.C.B., Power and Standby LED P.C.B. 29

14 Self Diagnostic Function 30

14.1. Self-diagnosis Function 30

14.2. Setting of doctor mode 32

15 Measurements and Adjustments 38

15.1. Tuner Section 38

15.2. Deck Section 39

16 Voltage Measurement 41

16.1. CD Servo P.C.B. 41

16.2. Main P.C.B. 42

17 Waveform Chart 44

18 Notes of Schematic Diagram 45

19 Schematic Diagram 46

19.1. CD SERVO CIRCUIT 46

19.2. MAIN CIRCUIT and POWER ON CIRCUIT 48

19.3. MAIN (TUNER) CIRCUIT 55

19.4. MAIN (DECK) CIRCUIT and DECK MECHANISM

CIRCUIT 57

19.5. PANEL CIRCUIT, STANDBY LED CIRCUIT, BATTERY

CIRCUIT, POWER CIRCUIT and SENSOR CIRCUIT 59

20 Printed Circuit Board 60

20.1. CD SERVO P.C.B. 60

20.2. MAIN P.C.B. 61

20.3. PANEL P.C.B. and DECK MECHANISM P.C.B. 63

20.4. STANDBY LED P.C.B, BATTERY P.C.B, POWER ON

P.C.B and SENSOR P.C.B 64

20.5. POWER P.C.B. 65

21 Wiring Connection Diagram 66

22 Type Illustration of IC 痴, Transistors and Diodes 68

23 Terminal Function Of IC 痴69

23.1. IC801 (MN101C74GAA2): Microprocessor 69

24 Troubleshooting Flowchart (CD Section Circuit) 70

25 Parts Location and Replacement Parts List 72

25.1. Deck Mechanism (RAA4401-1V) 73

25.2. CD Loading Mechanism 75

25.3. Cabinet Part List 77

25.4. Electrical Part List 79

25.5. Packaging Materials & Accessories Parts List 85

25.6. Packaging 85

CONTENTS

Page Page

RX-ES29GC / RX-ES29GS / RX-ES29GT

All manuals and user guides at all-guides.com

1 Safety Precautions

1.1. GENERAL GUIDELINES

1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or

damaged by the short circuit.

2. After servicing, ensure that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

3. After servicing, check for leakage current checks to prevent from being exposed to shock hazards.

1.1.1. LEAKAGE CURRENT COLD CHECK

1. Unplug the AC cord and connect a jumper between the two prongs on the plug.

2. Using an ohmmeter measure the resistance value, between the jumpered AC plug and each exposed metallic cabinet part on

the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to the

chassis, the reading should be between 1MΩand 5.2Ω.

When the exposed metal does not have a return path to the chassis, the reading must be .

Fig. 1

1.1.2. LEAKAGE CURRENT HOT CHECK (See Figure 1.)

1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.

2. Connect a 1.5kΩ, 10 watts resistor, in parallel with a 0.15µF capacitors, between each exposed metallic part on the set and a

good earth ground such as a water pipe, as shown in Figure 1.

3. Use an AC voltmeter, with 1000 ohms/volt or more sensitivity, to measure the potential across the resistor.

4. Check each exposed metallic part, and measure the voltage at each point.

5. Reverse the AC plug in the AC outlet and repeat each of the above measurements.

6. The potential at any point should not exceed 0.75 volts RMS. A leakage current tester (Simpson Model 229 or equivalent) may

be used to make the hot checks, leakage current must not exceed 1/2 milliamp. Should the measurement is outside of the limits

specified, there is a possibility of a shock hazard, and the equipment should be repaired and re-checked before it is returned

to the customer.

RX-ES29GC / RX-ES29GS / RX-ES29GT

All manuals and user guides at all-guides.com

2 Caution for AC Mains Lead

RX-ES29GC / RX-ES29GS / RX-ES29GT

All manuals and user guides at all-guides.com

3 Before Use

Be sure to disconnect the mains cord before adjusting the voltage selector. Use a minus (-) screwdriver to set the voltage selector

(on the rear panel) to the voltage setting for the area in which the unit will be used.

(If the power supply in your area is 117V or 120V, set to the “127V” position.)

Note that this unit will be seriously damaged if this setting is not made correctly. (There is no voltage selector for some countries;

the correct voltage is already set.)

4 Before Repair and Adjustment

Disconnect AC power, discharge Power Supply Capacitors C131, C231, C301, C307, C309, C310 and C331 through a 10 Ω,1W

resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screw driver blade, for instance), as this may destroy solid state

devices.

After repairs are completed, restore power gradually using a variac, to avoid overcurrent.

( For GC/GS) Current consumption at AC 220-240 V / 117 V, 50/60 Hz in NO SIGNAL mode should be ~180 mA, ~200mA

respectively.

(For GT) Current consumption at AC 110 V, 60 Hz in NO SIGNAL mode should be ~150 mA respectively.

5 Protection Circuitry

The protection circuitry may have operated if either of the following conditions are noticed:

·No sound is heard when the power is turned on.

·Stops during a performance.

The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are

“shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.

If this occurs, follow the procedure outlines below:

1. Turn off the power.

2. Determine the cause of the problem and correct it.

3. Turn on the power once again after one minute.

Note:

When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.

6 Handling the Lead Solder

6.1. About lead free solder (PbF)

Distinction of PbF P.C.B. :

P.C.B.s (manufactured) using lead free solder will have a PbF stamp on the P.C.B.

Caution:

·Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher.

Please use a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F

(370 ± 10°C).

·Pb free solder will tend to splash when heated too high (about 1100°F/600°C).

·When soldering or unsoldering, please completely remove all of the solder on the pins or solder area, and be sure to heat the

soldering points with the Pb free solder until it melts enough.

RX-ES29GC / RX-ES29GS / RX-ES29GT

All manuals and user guides at all-guides.com

This unit utilizes a class 1 laser.

Invisible laser radiation is emitted from the optical pickup lens.

When the unit is turned on:

7 Precaution of Laser Diode

CAUTION:

1. Do not look directly into the pick up lens.

2. Do not use optical instruments to look at the pick up lens.

3. Do not adjust the preset variable resistor on the pickup lens.

4. Do not disassemble the optical pick up unit.

5. If the optical pick up is replaced, use the manufacturer’s specified replacement pick up only.

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

exposure.

CAUTION!

THIS PRODUCT UTILIZES A LASER.

USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT

IN HAZARDOUS RADIATION EXPOSURE.

RX-ES29GC / RX-ES29GS / RX-ES29GT

All manuals and user guides at all-guides.com

all-guides.com

The laser diode in the traverse deck (optical pickup) may break

down due to potential difference caused by static electricity of

clothes or human body.

So, be careful of electrostatic breakdown during repair of the

traverse deck (optical pickup).

lHandling of CD traverse deck (optical pickup)

1. Do not subject the traverse deck (optical pickup) to

static electricity as it is extremely sensitive to electrical

shock.

2. The short land between the No.4 (LD) and No.5 (GND)

pins on the flexible board (FFC) is shorted with a solder

build-up to prevent damage to the laser diode.

3. Take care not to apply excessive stress to the flexible

board (FPC board) (Fig 8.1).

4. Do not turn the variable resistor (laser power

adjustment). It has already been adjusted.

Fig 8.1

lGrounding for electrostatic breakdown prevention

1. Human body grounding (Fig 8.2)

Use the anti-static wrist strap to discharge the static

electricity from your body.

2. Work table grounding (Fig 8.2)

Put a conductive material (sheet) or steel sheet on the

area where the traverse deck (optical pickup) is placed,

and ground the sheet.

Caution :

The static electricity of your clothes will not be grounded

through the wrist strap. So, take care not to let your

clothes touch the traverse deck (optical pickup).

Fig 8.2

Caution when Replacing the Optical Pickup :

The traverse has a short point shorted with solder to protect

the laser diode against electrostatics breakdown. Be sure to

remove the solder from the short point before making

connections.

8 Handling Precautions For Traverse Deck

RX-ES29GC / RX-ES29GS / RX-ES29GT

All manuals and user guides at all-guides.com

9 Accessories

Note : Refer to Packing Materials & Accessories Parts List (Section 25.5) for the part number.

Remote Control.....1pc

AC cord.....1 pc (For

GC)

AC cord.....1 pc (For

GS)

AC cord.....1 pc (For

GT)

AC cord

adaptor.....1

pc (For GC)

RX-ES29GC / RX-ES29GS / RX-ES29GT

All manuals and user guides at all-guides.com

10 Operation Procedures

10.1. Main unit

RX-ES29GC / RX-ES29GS / RX-ES29GT

All manuals and user guides at all-guides.com

10.2. Remote control

RX-ES29GC / RX-ES29GS / RX-ES29GT

All manuals and user guides at all-guides.com

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