Panasonic HC-V720 Service manual

ORDER NO. VM1302001CE

High Definition Video Camera

Model No. HC-V720P
HC-V720PC HC-V720EB HC-V720EF HC-V720EG HC-V720EP HC-V720GC
B27
HC-V720GK HC-V727EG HC-V720MEE HC-V720MGK HC-V720MGN HC-V710EE
Colour
(K)...........Black Type
(T)...........Brown Type (only HC-V720EF/EP/V727EG/
V710EE)
(S)...........Silver Type (only HC-V727EG)
© Panasonic Corporation 2013 Unauthorized copy­ing and distribution is a violation of law.
TABLE OF CONTENTS
PAG E PAG E
1 Safety Precautions -----------------------------------------------3
1.1. General Guidelines ----------------------------------------3
1.2. Leakage Current Cold Check ---------------------------3
1.3. Leakage Current Hot Check (See Figure. 1) --------3
2Warning--------------------------------------------------------------4
2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices ----------4
2.2. How to Recycle the Lithium Ion Battery (U.S. Only)-----------------------------------------------------------4
2.3. Caution for AC Cord (For EB/GC) ---------------------5
2.4. How to Replace the Lithium Battery -------------------6
3 Service Navigation------------------------------------------------7
3.1. Introduction --------------------------------------------------7
3.2. General Description About Lead Free Solder (PbF) ----------------------------------------------------------7
3.3. Important Notice 1:(Other than U.S.A. and Canadian Market) ------------------------------------------7
3.4. How to Define the Model Suffix (NTSC or PAL model)---------------------------------------------------------8
3.5. Formatting----------------------------------------------------9
3.6. Baking of replacement IC and defective P.C.B.
----------------------------------------------------------------10
4 Specifications ---------------------------------------------------- 11
4.1. For NTSC Areas------------------------------------------ 11
4.2. For PAL Areas -------------------------------------------- 16
5 Location of Controls and Components------------------ 21 6 Service Mode ----------------------------------------------------- 26
6.1. Built-in Memory Self Check Execution (HC­V720M only) ----------------------------------------------- 27
6.2. Lock Search History Indication ----------------------- 27
6.3. Power ON Self Check Result Display--------------- 28
6.4. Erasing the lock histories ------------------------------ 28
6.5. Camera data indications while the video playback ---------------------------------------------------- 29
6.6. Adjustment function for the Service ----------------- 30
6.7. Restore the backed up adjustment data------------ 31
6.8. Touch Panel Calibration -------------------------------- 32
6.9. NFC Initialization (HC-V720M/V720/V727 only) --------------------------------------------------------- 32
7 Disassembly and Assembly Instructions --------------- 33
7.1. Disassembly Flow Chart for the Unit ---------------- 33
7.2. PCB Location---------------------------------------------- 34
7.3. Disassembly Procedure for the Unit ---------------- 35
8 Measurements and Adjustments -------------------------- 49
8.1. Electric Adjustment --------------------------------------49
9 Factory Setting--------------------------------------------------- 62
9.1. How To Turn On The Factory Settings? ------------ 62
9.2. What Is The Factory Settings? ----------------------- 63
10 Block Diagram --------------------------------------------------- 64
10.1. Overall Block Diagram ---------------------------------- 64
10.2. Camera/System Control Circuit Block Diagram----------------------------------------------------- 65
10.3. Video/Audio Signal Process(1) Circuit Block Diagram----------------------------------------------------- 66
10.4. Video/Audio Signal Process(2) Circuit Block Diagram----------------------------------------------------- 67
10.5. Lens Drive Circuit Block Diagram -------------------- 68
10.6. Power Supply Circuit Block Diagram---------------- 69
11 Wiring Connection Diagram -------------------------------- 70
11.1. Interconnection Diagram------------------------------- 70
2

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 manu­facturer’s specified parts to prevent X-RADIATION, shock, fire, or other hazards. Do not modify the original design without permission of manufacturer.
2. An Isolation Transformer should always be used during the servicing of AC Adaptor whose chassis is not isolated from the AC 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.

1.3. 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. Connect a 1.5 kΩ, 10 W resistor, in parallel with a 0.15 μF capacitor, between each exposed metallic part on the set and a good earth ground, as shown in Figure. 1.
3. Use an AC voltmeter, with 1 kΩ/V 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 V 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 mA. 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.

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 reading should be between 1 MΩ and 5.2 MΩ. When the exposed metal does not have a return path to the chassis, the reading must be infinity.
Figure. 1
3

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 Elec­trostatically 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-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. Use only an antistatic solder removal device. Some solder removal devices not classified as “antistatic (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, 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 of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD) suf­ficient to damage an ES device).

2.2. How to Recycle the Lithium Ion Battery (U.S. Only)

4

2.3. Caution for AC Cord (For EB/GC)

2.3.1. Information for Your Safety

IMPORTANT
Your attention is drawn to the fact that recording of pre­recorded 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 prevent electric shock, do not remove the cover. No user serviceable parts inside. Refer servicing to qualified service
personnel.

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. A 5-ampere fuse is fitted in this plug. 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.
2.3.2.1. Important
The wires in this mains lead are coloured in accordance with the following code:
Blue Neutral Brown Live
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.
If the plug contains a removable fuse cover you must ensure that it is refitted when the fuse is replaced. 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.
If the fitted moulded plug is unsuitable for the socket outlet in your home then the fuse should be removed and the plug cut off and disposed of safety. There is a danger of severe electrical shock if the cut off plug is inserted into any 13-ampere socket.
If a new plug is to be fitted please observe the wiring code as shown below. If in any doubt, please consult a qualified electrician.
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.
5

2.4. How to Replace the Lithium Battery

2.4.1. Replacement Procedure

1. Remove the MONITOR P.C.B.. (Refer to Disassembly Procedures.)
2. Unsolder the each soldering point of electric lead terminal for Lithium battery (Ref. No. “B501” at foil side of MONITOR P.C.B.) and remove the Lithium battery together with electric lead terminal. Then replace it into new one.
NOTE:
The Type No. ML-614S/DK includes electric lead terminals.
NOTE:
This Lithium battery is a critical component. (Type No.: ML-614S/DN 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 its use. Replacement batteries must be of same type and manufacture. They must be fitted in the same manner and location as the original battery, with the correct polarity contacts observed. 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.
NOTE:
Above caution is applicable for a battery pack which is for HC-V720/V727/V720M/V710 series, as well.
1. Battery Pack for this model.
6

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 service manual.

3.2. 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°C (86°F) more than that of the normal solder.
Distinction of P.C.B. 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 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).
Recommended Lead Free Solder (Service Parts Route.)
• 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)
Note
* Ingredient: tin (Sn) 96.5%, silver (Ag) 3.0%, Copper (Cu) 0.5%, Cobalt (Co) / Germanium (Ge) 0.1 to 0.3%

3.3. Important Notice 1:(Other than U.S.A. and Canadian Market)

1. The service manual does not contain the following information, because of the impossibility of servicing at component level without concerned equipment/facilities.
a. Schematic diagram, Block Diagram and P.C.B. layout of MAIN P.C.B.. b. Parts list for individual parts for MAIN P.C.B..
When a part replacement is required for repairing MAIN P.C.B., replace as an assembled parts. (Main P.C.B.)
2. The following category is /are recycle module part. Please send it/them to Central Repair Center.
- MAIN P.C.B. (VEP03J88C): HC-V720MEE/GN/GK
- MAIN P.C.B. (VEP03J88D): HC-V720P/PC/EG/EF/EP/EB/GC/GK, HC-V727EG
- MAIN P.C.B. (VEP03J88E): HC-V710EE
7

3.4. How to Define the Model Suffix (NTSC or PAL model)

There are eight kinds of HC-V720/V727/V720M/V710.
• a) HC-V720M, V620M (Japan domestic model)
• b) HC-V720P
• c) HC-V720PC
• d) HC-V720EB/EF/EG/EP, V727EG
• e) HC-V720MEE, V710EE
• f) HC-V720MGN
• g) HC-V720GK, V720MGK
• h) HC-V720GC
What is the difference is that the “INITIAL SETTING” data which is stored in Flash ROM mounted on Main P.C.B..

3.4.1. Defining methods:

To define the model suffix to be serviced, refer to the rating label and caution label which are putted on the Unit.
NOTE:
After replacing the MAIN P.C.B., be sure to achieve adjustment.
8

3.5. Formatting

9

3.6. Baking of replacement IC and defective P.C.B.

When replacing the CSP/BGA/QFN type IC mounted on the P.C.B., the problem of IC crack or foil pattern breaking in the P.C.B. might sometimes occur by rapid heating. In order to improve the success rate of IC replacement for repair, it would be required to work out baking of replacement IC and defective P.C.B. before replacing IC. Please refer the way of baking as follows. Replacement IC and defective P.C.B. must be put in the heater together.
• Baking temperature and time (Hour) 80°C / 24 hour
10

4 Specifications

4.1. For NTSC Areas

11
1213141516

4.2. For PAL Areas

1718192021

5 Location of Controls and Components

1 Shoe adaptor release lever
[SHOE ADAPTOR RELEASE]
2 Intelligent auto button [iA] 3 Optical Image Stabilizer button
[ O.I.S.]
4 A/V connector [A /V] 5 Speaker 6 Power button [ ] 7 Battery release lever [BATT] 8 HDMI mini connector [HDMI] 9 USB terminal
[]
10 Microphone terminal [MIC]
A compatible plug-in powered microphone can be used as an external microphone.
(Microphone input level meter) is displayed when the external microphone is connected. When the unit is connected with the AC adaptor, sometimes noise may be heard depending on the microphone type. In this case, please switch to the battery for the power supply and the noise will stop.
11 Internal microphones 12 Lens cover
The lens cover opens in Motion Picture Recording Mode or Still Picture Recording Mode.
13 Built-in flash/Video light 14 Lens
12
13
14
11
123
4 5
6
7
9
810
15

15 Shoe adaptor mounting part
[SHOE ADAPTOR]
16 Status indicator 17 Recording start/stop button 18 LCD monitor (Touch screen)
It can open up to 90Q.
Itcanrotateupto180Q  towards the lens or 90Qtowards the opposite direction.
19 Battery holder
20 Tripod receptacle
If you attach a tripod which has 5.5 mm (0.22S) screw or larger, it may damage this
21 SD card cover 22 Access lamp [ACCESS] 23 Card slot
unit.
1918
16
17
20
21
22
23
22
24 Mode switch 25 DC input terminal [DC IN]
Do not use any other AC adaptors except the supplied one.
26 Photoshot button [ ] 27 Zoom lever [W/T] (In Motion Picture
Recording Mode or Still Picture Recording Mode) Thumbnail display switch [ / ]/ Volume lever [UVOLT] (In Playback Mode)
28 Grip belt
Adjust the length of the grip belt so that it fits your hand.
Flip the belt.Adjust the length.Replace the belt.
29 Shoulder strap fixture
25
//
30 Wi-Fi button [Wi-Fi] 31 Wi-Fi Transmitter
32 NFC touch area
24
29
26 27
28
HC-V720 HC-V727
HC-V720M
30
31
32
23
Operate the mode switch to change the mode to , or .
You can operate by directly touching the LCD monitor (touch screen) with your finger.
Touch
Touch and release the touch screen to select icon or picture.
Touch the centre of the icon. Touching the touch screen will not operate while you are touching another part of the touch screen.
Slide while touching
Move your finger while pressing on the touch screen.
Selecting a mode
Motion Picture Recording Mode
Still Picture Recording Mode
Playback Mode
How to use the touch screen
About the operation icons
///:
Touch when changing a page or performing settings.
:
Touchtoreturntothepreviousscreen.
24
About the Touch Menu
Touch (left side)/ (right side) of on the Touch Menu to switch the operation icons.
It is also possible to switch the operation icons by sliding the Touch Menu right or left while touching it.
You can change the operation icons to display.Displayed only in Intelligent Auto Plus Mode and [Miniature Effect]/[8mm movie]/
[Silent movie] of the Creative Control Mode. Displayed only in [Time Lapse Rec] of the Creative Control Mode , Scene Mode
and Manual Mode.
Displayed only when connected to a TV.
Touch Menu
Recording Mode Playback Mode
T
W
MENU
T
W
FOCUS
WB
SHTR
IRIS
MENU
ALL
To display the Touch Menu
Do not touch on the LCD monitor with hard pointed tips, such as ball point pens.
Display of the Touch Menu will disappear when no touch operation is performed for a specific period of time during recording of motion picture/still picture. To display it again, touch .
25

6 Service Mode

1. Indication method of the service menu Set the mode switch “Motion Picture Recording” mode.
2. While the power is turned OFF, keep pressing the “Power” button, “Zoom lever” to W side and “intelligent auto/Manual” button 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
(When recorded data in Built-in memory, “error display” is done)
3 Built-in memory self check execution
(HC-V720M only)
4 Lock search history indication Display the camera system error cord for three histories saved
5 Power ON self check result display Power ON self check (function to diagnose correct function of
10 Erasing the lock histories Erasing the error histories (working time is not erased) 12 Camera data indications while the
video playback
14 Adjutment function for the service The service adjustment do setup and adjustment of the follow-
15 Restore the backed up adjustment data Restore the adjustment data to new or repaired Main P.C.B.
16 Touch panel calibration Calibrate the touch positions of the touch panel. 17 NFC initialization
(HC-V720M/V720/V727 only)
Function to check self as for the state of Built-in memory
in EEPROM
the device and interface between devices) result display
Display the camera informations (Shutter speed, Iris value, White balance and focal length) while playing recorded video
ing items required in the field service.
from SD card that the data backed up from original Main P.C.B. before repairs or replacement.
Performs the Initialization of the NFC chip and erase the set­tings like as Wi-Fi connection etc..
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.
26

6.1. Built-in Memory Self Check Execution (HC-V720M only)

Touch the [ 3 ] of LCD, select Built-in memory self check execution.
Operation specifications
Indication contents
• Built-in memory self check result display Display the Built-in memory self check execution. Displays other than “OK” are abnormalities of Built-in memory.
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.
Operation specifications
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 Function
51 Focus control is abnormal 52 Zoom control is abnormal 53 OIS lens control is abnormal 54 Zoom control is abnormal (2) 71 Lens cover open/close is abnormal 73 High temperature is abnormal
Touch the [ BAK ] of LCD to end the service mode, and then POWER OFF.
27

6.3. Power ON Self Check Result Display

Touch the [ 5 ] of LCD, select Power ON self check result display.
Operation specifications
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.
- CAM-PWR : communication test between IC3401 and IC1503
- CAM-UNI : Internal communication test of IC3401
Display other than “OK” are abnomalities of each lines.
Cutting of battery connection or AC power supply connection to end the service mode.

6.4. Erasing the lock histories

Touch the [ 10 ] of LCD, select erasing the lock histories execution.
Operation specifications
Function Description
• Erasing the error histories stored in EEPROM. (working time is not erased)
Press the power button and turn off.
28

6.5. Camera data indications while the video playback

Touch the [ 12 ] of LCD, select indicating the camera informations while playing back the recorded video.
Operation specifications
Indication contents
• While playing back the recorded videos, the camera informations (Shutter speed, Iris value, White balance and focal length) are superimposed on the LCD screen.
Press the power button and turn off.
29

6.6. Adjustment function for the Service

Touch the [14] of LCD, select the adjustment function for the service.
Operation Specifications (until before the start of the adjustment)
Function description
The service adjustment do setup and adjustment of the following items required in the field service. For a detailed content, such as the adjustment procedure, refer to “8 Measurements and Adjustments”.
• Setting of the file name for adjustment data backup to SD card.
• Model setting
• Execution of adjustment data backup to SD card
• Checking of Switches
• 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
Press the power button and turn the unit off.
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