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1. This Service Manual does not contain the repair service information for "LENS MAIN BLOCK UNIT"(Ref.402), because it

requires special facilities and equipment.

2. "LENS MAIN BLOCK UNIT"(Ref.402) performance must be confirmed.
3. In case of the "LENS MAIN BLOCK UNIT"(Ref.402) defects, contact to the service department of sales company.

Fig. S4

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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

°C (86°F) more than that of the

normal solder.
Distinction of P.C.B. Lead Free Solder being used

• 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 P.C.B. 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 P.C.B. 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

°C

(662±86

°F).

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

RFKZ03D01KS-----------(0.3mm 100g Reel)
RFKZ06D01KS-----------(0.6mm 100g Reel)
RFKZ10D01KS-----------(1.0mm 100g Reel)

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

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There are eight kinds of DMC-GX1 (Camera body unit), regardless of the colours.

• a) DMC-GX1 (Japan domestic model)
• b) DMC-GX1PP/PC
• c) DMC-GX1EB/EC/EF/EG/GH/GN
• d) DMC-GX1EE
• e) DMC-GX1GK
• f)  DMC-GX1GT
• g) DMC-GX1GD
• h) DMC-GX1GC

What is the difference is that the “INITIAL SETTINGS” data which is stored in Flash-ROM mounted on MAIN P.C.B..

To define the model suffix to be serviced, refer to the nameplate which is putted on the bottom side of the Unit.

After replacing the MAIN P.C.B., be sure to achieve adjustment.
Refer to the adjustment instruction in the adjustment software for details.

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After replacing the MAIN P.C.B., make sure to perform the initial settings after achieving the adjustment by ordering the following
procedure in accordance with model suffix of the unit.
1. IMPORTANT NOTICE:

Before proceeding Initial settings, make sure to read the following CAUTION.

• Precautions: Read the above “CAUTION” carefully.
• Preparation:

Attach the fully charged Battery, and insert the SD memory card.
Confirm that it is not intelligent auto mode [ iA ] or intelligent auto plus mode [ iA+ ]. 
NOTE:
If the unit is intelligent auto mode [ iA ] or intelligent auto plus mode [ iA+ ], it does not display the initial settings menu.

• Step 1. The temporary cancellation of “INITIAL SETTINGS”:

While pressing [ DISP. ], [ AF/AE KOCK ] and “[ RIGHT ] of Cursor buttons” simultaneously, turn the Power on.

• Step 2. The cancellation of “INITIAL SETTINGS”:

Press the [ PLAYBACK ] button, then playback the picture.
Press [ AF/AE KOCK ] and “[ UP ] of Cursor buttons” simultaneously, then turn the Power off.
The LCD displays the “ ! ” mark before the unit powers down.

• Step 3. Turn the Power on:

Set the mode dial to [ P ] (Program AE Mode), then turn the Power on.