Panasonic SC-HC05GN Manuel utilisateur

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law.

PSG1105007CE

Compact Stereo System

Model No. SC-HC05GN

SC-HC05GS

Product Color: (K)...Black Type(For GN model only)

(W)...White Type

TABLE OF CONTENTS

PAGE PAGE

1 Safety Precautions----------------------------------------------- 3

1.1. General Guidelines---------------------------------------- 3

1.2. Caution for AC Cord (For GS only) ------------------- 4

1.3. Before Repair and Adjustment ------------------------- 5

1.4. Caution For Fuse Replacement------------------------ 5

1.5. Protection Circuitry ---------------------------------------- 5

1.6. Safety Part Information----------------------------------- 5

2 Warning -------------------------------------------------------------- 6

2.1. Prevention of Electro Static Discharge (ESD)

to Electrostatically Sensitive (ES) Devices---------- 6

2.2. Service caution based on Legal restrictions -------- 7

3 Service Navigation ----------------------------------------------- 8

3.1. Service Information --------------------------------------- 8

4 Specifications ----------------------------------------------------16

5 Location of Controls and Components ------------------17

5.1. Main Unit & Remote Control Key Button

Operations ------------------------------------------------- 17

5.2. iPod or iPhone Operation ------------------------------ 18

5.3. Using Bluetooth------------------------------------------- 19

5.4. Using the auxiliary input -------------------------------- 20

5.5. Listening to the Internet radio ------------------------- 20

5.6. Using the auto off function ----------------------------- 20

6 Disassembly and Assembly Instructions--------------- 21

6.1. Disassembly flow chart --------------------------------- 22

6.2. Types of Screws------------------------------------------ 23

6.3. Main Parts Location Diagram ------------------------- 23

6.4. Disassembly of Stand Unit----------------------------- 24

6.5. Disassembly of Net Frame Assembly--------------- 25

6.6. Disassembly of Front Panel Block ------------------- 25

6.7. Disassembly of iPod Block ---------------------------- 26

6.8. Disassembly of Latch ----------------------------------- 27

6.9. Replacement of Damper ------------------------------- 28

6.10. Disassembly of iPod Cradle --------------------------- 29

6.11. Disassembly of Dock P.C.B and LED P.C.B. ------ 31

6.12. Replacement of iPod Cover --------------------------- 33

6.13. Disassembly of Lever Lock ---------------------------- 35

6.14. Disassembly of Release Button Assembly -------- 36

6.15. Disassembly SMPS Unit ------------------------------- 37

6.16. Disassembly SMPS P.C.B. ---------------------------- 39

6.17. Disassembly Top Ornament Assembly ------------- 41

6.18. Disassembly SW/IR/Power-LED P.C.B. and

Power Button---------------------------------------------- 41

6.19. Disassembly Audio P.C.B. ----------------------------- 42

6.20. Disassembly Line Filter P.C.B. and AC-In

P.C.B.-------------------------------------------------------- 43

6.21. Disassembly Main P.C.B. ------------------------------ 45

6.22. Disassembly Passive Radiator (SP6)--------------- 48

6.23. Disassembly Front Speaker (SP2)------------------- 48

6.24. Disassembly Piezo Unit (SP8)------------------------ 50

6.25. Disassembly Passive Radiator (SP4)--------------- 51

6.26. Disassembly Passive Radiator (SP5)--------------- 51

6.27. Disassembly Front Speaker (SP1)------------------- 52

6.28. Disassembly Piezo Unit (SP7)------------------------ 54

6.29. Disassembly Passive Radiator (SP3)--------------- 54

7 Service Position ------------------------------------------------- 55

7.1. Checking & Repairing of Main P.C.B. (Side A) --- 55

7.2. Checking & Repairing of Main P.C.B. (Side B) --- 56

8 Block Diagram --------------------------------------------------- 57

8.1. Control & Signal Diagram ------------------------------ 57

8.2. Voltage / Current / Ground Diagram----------------- 58

9 Wiring Connection Diagram --------------------------------- 59

10 Schematic Diagram--------------------------------------------- 60

10.1. MAIN CIRCUIT (1/2) ------------------------------------ 60

10.2. MAIN (2/2), SW/IR/POWER-LED, AUDIO,

DOCK & LED CIRCUIT--------------------------------- 61

10.3. SMPS, LINE FILTER & AC-IN CIRCUIT ----------- 62

11 Exploded View and Replacement Parts List ----------- 63

11.1. Exploded View and Mechanical replacement

Parts List --------------------------------------------------- 63

11.2. Electrical Replacement Parts List-------------------- 69

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, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly

installed.

3. After servicing, carry out the following leakage current checks to prevent the customer 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. measure the resistance value, with an ohmmeter 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 5.2MΩ. When the exposed metal does not have a return path to the chas-

sis, the reading must be

1.1.2. Leakage Current Hot Check

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. In case a measurement is outside of the

limits specified, there is a possibility of a shock hazard, and the equipment should be repaired and rechecked before it is

returned to the customer.

Figure. 1

1.2. Caution for AC Cord (For GS only)

1.3. Before Repair and Adjustment

Disconnect AC power, discharge unit AC Capacitors as such C702, C710, C725, C727 and C728 through a 10W, 1W resistor to

ground.

Caution : DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices.

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

• Current consumption at AC 220V-240V, at 50Hz in NO SIGNAL mode, at volume minimum. (For GN)

• Current consumption at AC 110V-240V, at 50/60Hz in NO SIGNAL mode, at volume minimum. (For GS)

1.4. Caution For Fuse Replacement

1.5. 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.

• Sound 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.

1.6. Safety Part Information

Safety Parts List:

There are special components used in this equipment which are important for safety.

These parts are marked by in the Schematic Diagrams, Exploded View & Replacement Parts List. It is essential that these

critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the

original design without permission of manufacturer.

Table 1

Safety Ref. No. Part No. Part Name & Description Remarks

61 VUEMNPHC05GN NAME PLATE GN-K/W

61 VUEMNPHC05GS NAME PLATE GS-W

A1 K2CZ3YY00005 AC CORD (3PIN) GS

A1 K2CQ2CA00007 AC CORD (2PIN) GS

A1 K2CJ2DA00010 AC CORD GN

A1 K2CP2CA00001 AC CORD (with TAG) GS

A3 RQTX1318-B O.I BOOK (En) GN/GS

A3 RQTX1321-G O.I BOOK (Cn Ar) GS

PCB3 VUEESBDHC05E SMPS P.C.B

W1 VUEM0102HC05 1P WHITE WIRE (W1A/W1B)

W2 VUEM0103HC05 1P BLACK WIRE (W2A/W2B)

F751 VUEEFHC05 FUSE

P751 VUEEAIHC05E AC INLET

2Warning

2.1. Prevention of Electro Static Discharge (ESD) to Electrostatically Sensi-

tive (ES) Devices

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec-

trostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and

semiconductor “chip” components. The following techniques should be used to help reduce the incidence of component damage

caused by electrostatic discharge (ESD).

1. Immediately before handling any semiconductor component or semiconductor-equiped assembly, drain off any ESD on your

body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap,

which should be removed for potential shock reasons prior to applying power to the unit under test.

2. After removing an electrical assembly equiped with ES devices, place the assembly on a conductive surface such as alumin-

ium foil, to prevent electrostatic charge build up or exposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.

4. Use only an anti-static solder remover device. Some solder removal devices not classified as “anti-static (ESD protected)” can

generate electrical charge sufficient to damage ES devices.

5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.

6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most

replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminium foil or compara-

ble conductive material).

7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material

to the chassis or circuit assembly into which the device will be installed.

Caution :

Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.

8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the

brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD) suf-

ficient to damage an ES device).

2.2. Service caution based on Legal restrictions

2.2.1. General description about Lead Free Solder (PbF)

The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this

equipment in considering the globally environmental conservation.

The normal solder is the alloy of tin (Sn) and lead (Pb). On the other hand, the lead free solder is the alloy mainly consists of tin

(Sn), silver (Ag) and Copper (Cu), and the melting point of the lead free solder is higher approx.30 degrees C (86°F) more than that

of the normal solder.

Definition of PCB Lead Free Solder being used

Service caution for repair work using Lead Free Solder (PbF)

• The lead free solder has to be used when repairing the equipment for which the lead free solder is used.

(Definition: The letter of “PbF” is printed on the PCB using the lead free solder.)

• To put lead free solder, it should be well molten and mixed with the original lead free solder.

• Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC.

• Since the melting point of the lead free solder is higher than that of the normal lead solder, it takes the longer time to melt the

lead free solder.

• Use the soldering iron (more than 70W) equipped with the temperature control after setting the temperature at 350±30 degrees

C (662±86°F).

Recommended Lead Free Solder (Service Parts Route.)

• The following 3 types of lead free solder are available through the service parts route.

RFKZ03D01K-----------(0.3mm 100g Reel)

RFKZ06D01K-----------(0.6mm 100g Reel)

RFKZ10D01K-----------(1.0mm 100g Reel)

Note

* Ingredient: Tin (Sn), 96.5%, Silver (Ag) 3.0%, Copper (Cu) 0.5%, Cobalt (Co) / Germanium (Ge) 0.1 to 0.3%

The letter of “PbF” is printed either foil side or components side on the PCB using the lead free solder.

(See right figure)

3 Service Navigation

3.1. Service Information

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