Panasonic Lumix Dmc gh1 Series Service Manual Repair Guide

© Panasonic Corporation 2009. Unauthorized copy-
ing and distribution is a violation of law.
ORDER NO. DSC0905029CEB26
Digital Camera/Lens Kit
Model No.DMC-GH1KPP
       DMC-GH1KEB
       DMC-GH1KEC
       DMC-GH1KEG
       DMC-GH1KGC
       DMC-GH1KGH
       DMC-GH1KGK
       DMC-GH1KGN
       DMC-GH1KGT
 
Colour
(K)...........Black Type
(N)...........Gold Type (only PP/EC/EG/GC)
(R)...........Red Type (only PP/EB/EC/EG/GC) 

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TABLE OF CONTENTS
PA G E PA G E
1 Safety Precaution ------------------------------------------------- 3
1.1. General Guidelines ---------------------------------------- 3
1.2. Leakage Current Cold Check ---------------------------3
1.3. Leakage Current  Hot Check (See Figure 1.) -------- 3
1.4. How to Discharge the Capacitor on Flash Sub PCB ------------------------------------------------------------4
2Warning -------------------------------------------------------------- 5
2.1. Prevention of...

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1 Safety Precaution
1.1. General Guidelines
1.IMPORTANT SAFETY NOTICE
There are special components used in this equipment
which are important for safety. These parts are marked by
in the Schematic Diagrams, Circuit Board Layout,
Exploded Views and Replacement Parts List. It is essen-
tial that these critical parts should be replaced with manu-
facturer’s specified parts to prevent X-RADIATION,
shock, fire, or other hazards.  Do not modify the original
design without permission of manufacturer.
2. An...

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1.4. How to Discharge the Capacitor on Flash Sub PCB
CAUTION:1.Be sure to discharge the capacitor on FLASH SUB PCB.
2. Be careful of the high voltage circ uit on FLASH SUB PCB when servicing.
[Discharging Procedure] 1. Refer to the disassemble procedure and remove the necessary parts/unit.
2. Put the insulation tube onto the le ad part of Resistor (ERG5SJ102:1kΩ /5W).
(An equivalent type of resistor may be used.)
3. Put the resistor between both terminals of capacitor on FLASH SUB PCB for approx. 5...

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2Warning
2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically 
Sensitive (ES) Devices
Some semiconductor (solid state) devices can be damaged easily by  static electricity. Such components commonly are called Elec-
trostatically Sensitive (ES) Devices.
The following techniques should be used to help reduce the in cidence of component damage caused by electrostatic discharge
(ESD).
1. Immediately before handling any semiconductor component or  semiconductor-equipped assembly, drain off...

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2.3. Caution for AC Cord(For EB/GC/GH)
2.3.1. Information for Your Safety
IMPORTANTYour attention is drawn to the fact that recording of pre-
recorded tapes or discs or other published or broadcast
material may infringe copyright laws.
WARNING To reduce the risk of fire or shock hazard, do not expose
this equipment to  rain or moisture.
CAUTION To reduce the risk of fire or shock hazard and annoying
interference, use the recommended accessories only.
FOR YOUR SAFETY  DO NOT REMOVE THE OUTER COVER
To...

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2.4. How to Replace the Lithium Battery
2.4.1. Replacement Procedure
1. Remove the AUDIO PCB. (Refer to Disassembly Procedures.)
2. Remove the Lithium battery (Ref. No. “B4001” at foil  side of AUDIO PCB) and then replace it into new one.
NOTE: This Lithium battery is a critical component. 
(Type No.: ML-421S/ZTE  Manufactured by Energy Company, Panasonic Corporation. )
It must never be subjected to excessive heat or discharge.
It must therefore only be fitted in requirement designed specifically for...

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3 Service Navigation
3.1. Introduction
This service manual contains technical information, which 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, the information will be  followed by service manual to be controlled with original servic e manual.
3.2. Important Notice
*When servicing, it is recommended dealing  with Clean box. (Refer to 8.2. Clean Box section of this...

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Important:
1. After replacing the MOUNT BOX BLOCK, the  mount box data has to be stored to the unit.
When the serial number of the mount box block which is put on th e shield plate of mount box block is entered to the adjust-
ment unit, the applicable data is stored into the MAIN P.C.B.
For more details, consult the adjustment in struction which is available together with the Maintenance software at software
download on the Support Info rmation from NWBG/VDBG-AVC  web-site in TSN system.
Fig. S2
2....

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3.2.2. Lens Unit
3.2.2.1. About Lens MAIN Block unit (Ref. 215)
1. This Service Manual does not contain the repair service  information for LENS MAIN BLOCK UNIT(Ref.215), because it
requires special facilities and equipment.
2. LENS MAIN BLOCK UNIT performance mu st be confirmed with the 7.Troubleshooting Guide section of this service man-
ual.
3. In case of the LENS MAIN BLOCK UNIT defect, co ntact to the service department of sales company.
Fig. S3
3.2.2.2. About Lens Cleaning (Inside of the Lens...