Panasonic HC-MDH3PP User manual

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ORDER NO. VM1803004CE
B27
High Defnition Video Camera
Model No. HC-MDH3PP
HC-MDH3E
HC-MDH3GC
HC-MDH3GK
HC-MDH3GW
Colour
(K)...........Black Type
© Panasonic Corporation 2018 Unauthorized copying and distribution is a violation of law.

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1 Safety Precautions
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 essential that these critical parts should be replaced with

of manufacturer.
2. An Isolation Transformer should always be used during the servicing of AC Adaptor whose chassis is not isolated from theAC power line.
Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical
shocks. It will also protect AC Adaptor from being damaged by accidental shorting that may occur during servicing.
3. 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.
4. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
5. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.
1.2 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


1.3 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. 
ground, as shown in Figure. 1.
3. 
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 V RMS. A leakage current tester (Simpson Model 229 or equivalent) may be used to

possibility of a shock hazard, and the equipment should be repaired and rechecked before it is returned to the customer.
Figure. 1

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2 Warning
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 Electrostatically

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-equipped 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 equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to
prevent electrostatic charge buildup or exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.
4. 

5. 
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, aluminum foil or comparable 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

device).
2.2 How to Recycle the Lithium Ion Battery (U.S. Only)
2.3 Caution for AC Cord
(For E/GC)

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2.3.1 Information for Your Safety
IMPORTANT
Your 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

CAUTION

FOR YOUR SAFETY
DO NOT REMOVE THE OUTER COVER

2.3.2 Caution for AC Mains Lead
For your safety, please read the following text carefully.
This appliance is supplied with a moulded three-pin mains plug for your safety and convenience.

Should the fuse need to be replaced please ensure that the replacement fuse has a rating of 5 amperes and it is approved by ASTA or BSI to
BS1362
Check for the ASTA mark or the BSI mark on the body of the fuse.

If you lose the fuse cover, the plug must not be used until a replacement cover is obtained.
A replacement fuse cover can be purchased from your local Panasonic Dealer.

safety.
There is a danger of severe electrical shock if the cut off plug is inserted into any 13-ampere socket.


2.3.2.1 Important
The wires in this mains lead are coloured in accordance with the following code:
Blue Neutral
BrownLive
As the colours of the wires in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your
plug, proceed as follows:
The wire which is coloured BLUE must be connected to the terminal in the plug which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal in the plug which is marked with the letter L or coloured RED.
Under no circumstances should either of these wires be connected to the earth terminal of the three pin plug, marked with the letter E or the
Earth Symbol.
2.3.2.2 Before Use
Remove the Connector Cover as follows.

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2.3.2.3 How to Replace the Fuse
1. Remove the Fuse Cover with a screwdriver.
2. Replace the fuse and attach the Fuse cover.
2.4 How to Replace the Lithium Battery
2.4.1 Replacement Procedure
1. Remove the HANDLE P.C.B.. (Refer to Disassembly Procedures.)
2. Remove the Lithium battery (Ref. No. “B6701” at foil side of HANDLE P.C.B.) and then replace it into new one.
NOTE:
This Lithium battery is a critical component.
It must never be subjected to excessive heat or discharge.

Replacement batteries must be of same type and manufacture.

Do not attempt to re-charge the old battery or re-use it for any other purpose.
It should be disposed of in waste products destined for burial rather than incineration.

file:///C|/U...al/Temp/Rar$EXa0.580/viewing/SGML_VIEW_DATA/ALL/HC-MDH3PP/SVC/VM1803004CE/doc/VM1803004CE_02.xml[11/12/2018 4:08:37 PM]
NOTE:
Above caution is applicable for a battery pack which is for HC-MDH3.

file:///C|/U...al/Temp/Rar$EXa0.580/viewing/SGML_VIEW_DATA/ALL/HC-MDH3PP/SVC/VM1803004CE/doc/VM1803004CE_03.xml[11/12/2018 4:13:33 PM]
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.


There are four kinds of HC-MDH3.
a) HC-MDH3PP
b) HC-MDH3E
c) HC-MDH3GK
d) HC-MDH3GC/GW
What is the difference is that the “INITIAL SETTING” data which is stored in Flash ROM mounted on Main P.C.B..


NOTE:
After replacing the MAIN P.C.B., be sure to achieve adjustment.

file:///C|/U...al/Temp/Rar$EXa0.580/viewing/SGML_VIEW_DATA/ALL/HC-MDH3PP/SVC/VM1803004CE/doc/VM1803004CE_04.xml[11/12/2018 4:13:55 PM]
4 Specifcations


The page number in this chapter does not show the page number of this service manual.

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file:///C|/U...al/Temp/Rar$EXa0.580/viewing/SGML_VIEW_DATA/ALL/HC-MDH3PP/SVC/VM1803004CE/doc/VM1803004CE_06.xml[11/12/2018 4:17:04 PM]
6 Service Mode
Indication method of the service menu
1. Set the power switch to ON, and turn to ON.
2. Keep pressing the “FOCUS ASSIST” button, “MENU” button and “Zoom Lever” to W side for more than 3 seconds until the top screen of
the Service Mode Menu being displayed.
Service mode menu
Screen
display Contents Function
1 Factory settings Function to throw a product up in a factory shipment state.
2 Model/Destination
settings Change the Model/Destination.
(Selectable models and destinations are displayed.)
4 Lock search
history indication Display the camera system error cord for three histories saved in EEPROM.
5 Power ON self
check result
display
Power ON self check (function to diagnose correct function of the device
and interface between devices) result display.
14 Adjutment function
for the service The service adjustment do setup and adjustment of the following items 
15 Restore the
backed up
adjustment data
Restore the adjustment data to new or repaired Main P.C.B. from SD card
that the data backed up from original Main P.C.B. before repairs or
replacement.
16 Touch panel
calibration Calibrate the touch positions of the touch panel.
NOTE:
Do not using service mode except above table of Service mode menu.
3. End method of the top screen of the service mode menu
Touch the [ EXIT ] of LCD to end the service mode, and then POWER OFF.
6.1 Model/Destination Settings
Touch the [ 2 ] of LCD, select model/destination.


file:///C|/U...al/Temp/Rar$EXa0.580/viewing/SGML_VIEW_DATA/ALL/HC-MDH3PP/SVC/VM1803004CE/doc/VM1803004CE_06.xml[11/12/2018 4:17:04 PM]
Function description
Change the Model/Destination
Display the lists of model/distination which the unit can be changed.
Therefore in some cases, the model/destination that is currently set is only displayed.
Touch the [ BAK ] of LCD to end the service mode, and then POWER OFF.
6.2 Lock Search History Indication
Touch the [ 4 ] of LCD, select lock search history indication.


file:///C|/U...al/Temp/Rar$EXa0.580/viewing/SGML_VIEW_DATA/ALL/HC-MDH3PP/SVC/VM1803004CE/doc/VM1803004CE_06.xml[11/12/2018 4:17:04 PM]
Indication contents
Lock search history indication
Display the camera system error cord for three histories saved in EEPROM.
The error cord contents which are displayed
Error code Description Problematic Parts
51 Focus control is abnormal Camera Lens Unit
52 Zoom control is abnormal 2nd Stepping Motor / Camera Lens
Unit
53 OIS lens control is abnormal Camera Lens Unit
54 Zoom control is abnormal (2)3rd Stepping Motor / Camera Lens Unit
55 Zoom control is abnormal (3)4th Stepping Motor / Camera Lens Unit
Touch the [ BAK ] of LCD to end the service mode, and then POWER OFF.
6.3 Power ON Self Check Result Display
Touch the [ 5 ] of LCD, select Power ON self check result display.

Indication contents
Power ON self check result display
Function to diagnose correct function of the device and interface between devices result display.
Display the following communication test result.
Power IC : Communication test between VENUS and power IC

file:///C|/U...al/Temp/Rar$EXa0.580/viewing/SGML_VIEW_DATA/ALL/HC-MDH3PP/SVC/VM1803004CE/doc/VM1803004CE_06.xml[11/12/2018 4:17:04 PM]
Main IC : DDR. Communication test between VENUS and poped memory
WiFi IC : (Excluded)
NFC IC : (Excluded)
Display other than “OK” are abnomalities of each lines.
Touch the [ BAK ] of LCD to end the service mode, and then POWER OFF.
6.4 Adjustment function for the Service
Touch the [14] of LCD, select the adjustment function for the service.

Function description

For a detailed content, such as the adjustment procedure, refer to “9 Measurements and Adjustments”.
Model setting
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Execution of adjustment data backup to SD card
Checking of Switches
Zoom Lever adjustment
Camera adjustment (Iris, Gyro, OIS and Missing pixels)
Zoom Tracking adjustments
Indoor White Balance Adjustment (CH-GAIN, PWM, WB)
Outdoor White Balance Adjustment (PWM, WB)
Level shot adjustment
Set the power switch to OFF and turn the unit off.
6.5 Restore the backed up adjustment data
Touch the [15] of LCD, select restoring the backed up adjustment data from SD card to the unit.
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Function description
Restore the adjustment data to new or repaired Main P.C.B. from SD card that the data backed up from original Main P.C.B. before repairs or

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replacement.
To backup the adjustment data, use “6.4. Adjustment function for the Service”.
Restoring procedure
Set the power switch to OFF and turn the unit off.
6.6 Touch Panel Calibration
Touch the [16] of LCD, select the calibration of touch panel.
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Function description
Calibrate the touch positions of the touch panel.
Set the power switch to OFF and turn the unit off.

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7 Service Fixture & Tools
7.1 When Replacing the Main P.C.B.
After replacing the MAIN P.C.B., be sure to achieve adjustment.

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8 Disassembly and Assembly Instructions
8.1 Disassembly Flow Chart for the Unit
This is a disassembling chart.
When assembling, perform this chart conversely.
8.2 P.C.B. Location