BenQ digital camera - BenQ DC GH650 – Calibration procedure – Firmware update – Troubleshooting

Calibration Procedure
Auto calibration (OB, AGC/WB, Meshu 26, Meshut 80) & Infinite Focus Calibration
1. Insert battery and press “Playback + Tele +Set/OK ” key to enter test mode.
2. The LCD will display “OB CLBT”. Place camera in front of light source box and make sure the camera is close to light source box or can shoot at black objects.
3. Press “OK” key to run auto test. When LCD shows “OK” , it has passed the test. If it shows “NG”, it has failed.
4. Press the “Playback” key to return to main menu and select AGC/WB.
5. The LCD will display “AGC/WB”. Place the camera in front of the light source box and set it to LV10.
6. Press “OK” key to run auto test.
7. When LCD displays “OK” , it has passed the test. If shows “NG”, it has not passed.

8. When LCD displays “Meshut 26”, place camera in front of light source box and set it to LV12.
9. Press “OK” key to start auto test.
10. When LCD displays “OK”, it has passed the test, if it displays “NG”, if has failed the test.
11. When LCD displays “Meshut 80”, place camera in front of light source box and set it to LV14.
12. Press “OK” key to start auto test.
13. When LCD displays “OK”, it has passed the test, if it displays “NG”, it has failed the test.
14. When the LCD displays “Focus”, it requires Collimator for calibration. Place the camera in front of collimator.
15. Press “OK” key to start auto test.
16. When LCD displays “OK”, it has passed the test, if it displays “NG”, it has failed the test.

Flash WB calibration
1. Place camera on the fixture.
2. Press “Playback + Set (OK) + Tele” key to enter engineering mode.
3. When LCD will display “Flash WB”. Shoot subject in low brightness environment.
4. When LCD display “OK”, it has passed the test, if it displays “NG”, it has failed the test.

USB mode setting
1. Press “Playback + Set (OK) + Tele” key.
2. When LCD displays “X USB MODE”. Press “OK” key to start auto test.
3. When LCD display “PC to MS mode”, it has passed the test.
4. Press “Power” key to turn off camera.

Firmware update using SD card
1. Make sure battery power is full.
2. Format SD card and copy F/W to USB
3. Inert SD card into camera.
4. Press “Power+Right (flash)” key for 5 seconds.

5. Press left key to select “Yes”, press “OK” key to begin.

6. When FW update completes, it will shut down automatically.

Trouble Shooting 
A. Cannot Power On:
1. Exterior check.
01. Check any deformation / dirt / poor soldering of the battery spring.
02. Check the welds of battery’s spring of M/B.
2. Check the connection of each PCB.
01. Check the connection between M/B and ST Board.
02. Check the connection between M/B and LCD
03. Check the connection between M/B and LENS

3. Power on current is 0mA.

01. Check U13 voltage output, if it is abnormal, please analyze its circuit.
02. Check the fuse F1 & F2, if it is 0.
03. Check the S1 of strobe board.

B. Display abnormal
1. LCD display abnormal
01. Check the connection J6 for M/B and LCD-FPC.
02. Check the function for LCD and U1 of MB.
03. Check the U13 output is normal or not.
2. Button abnormal
01. Check the peripheral components of M/B U1
3. Image abnormal
01. To make sure the U13 output is A7_D3V3, A7_D2V5, A7_D1V1 and if are ok. If there is abnormal signal occurs,
please check and replace.
02. Check the peripheral components of U1 of MB.
03. Check the peripheral components and CCD board.
4. TV display abnormal
01. Check J3 of M/B
02. Check the connection between U1 of MB and other components.
5. Power LED is on, but LENS cannot work.
01. Check the connection between J4 of M/B and LENS FPC.
02. Check the LENS is OK or not.
03. Make sure the output voltage of U13 is VCC5.5V LENS voltage
04. Check the peripheral components of U5 on the main board.

C. Flash abnormal

1. No charge
01. Check the welds between ST/B and M/B.
02. Check the welds of U1, T1 and peripheral components.
2. Nonstop charge.
01. Check the function and welds of U1.
02. Check the welds between ST/B and M/B.
3. Flash light cannot work
01. Check the welds between ST/B and M/B.
02. Check U1, TR1, IC1 and flash light.

D. Other Defects:

1. No sound when press the buttons.
01. Make sure the setting is correct. (Enable), speaker and BGA whether if ok
02. Make sure the function of speaker and MB U1 with good soldering.
03. Make sure the peripheral components of MB U1 are in good condition.
2. Recording without sound.
01. Check the MIC function.
02. Check the MB U1 with good soldering.
3. Card slot cannot read / write SD card.
01. Check SD card function.
02. Check SD card slot whether if in good soldering.
03. Check the current for SD card welds.

Canon EOS 5D Mark II – Disassembling procedure – How to replace the LCD display

Lift the rubber flap covering the input/output jacks.

Using a Phillips #0, remove the single 3.4 mm screw.

This step will permanently erase all user settings.

The memory battery can now be easily slid out of place.

Peel back the rubber cover above the in/out ports to reveal two screwheads.

Remove both 5.4 mm screws using a Phillips #0.

Lift the in/out port plastic covering from the bottom where the backupbattery used to be.

Remove each 6.3 mm screw on either side of the viewfinder using a Phillips #0 screwdriver.

Remove the three 4.8 mm screws on the bottom of the back plate using a Phillips #0.

Peel back the rubber covering next to the menu dial to access thescrew.

Remove the single 3.4 mm screw using a Phillips #0.

The back panel can now fall off easily by turning the device upside down. Be sure to catch it so the data ribbons do not tear or tug.

Remove each data ribbon cable from the motherboard by applyingpressure down towards the motherboard and gently sliding your thumb upwards on the slot where the cable meets the motherboard. Thiswill raise a very small clip that locks the cable in place.

The back panel is now free from the rest of the device.

Remove each of the 3.4 mm screws holding in the LCD using a Phillips #0.

Grip the wire attaching the speaker to the data ribbon cable and pull itout.

The LCD is now free from the back panel.

Panasonic High Definition Video Camera - Panasonic HC-V700EB – Service mode – Service mode setting

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-V700M/V707M only)	Function to check self as for the state of Built-in memory
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
9	Forced full flash emission	Forced full flash emission for discharging the capacitor on FLASH P.C.B. and set to prohibit charge
10	Erasing the lock histories	Erasing the error histories (working time is not erased)
12	Camera data indications while the video playback	Display the camera informations (Shutter speed, Iris value, White balance and focal length) while playing recorded video

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.

Built-in Memory Self Check Execution (HC-V700M/V707M only)
Touch the [ 3 ] of LCD, select Built-in memory self check execution.

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 [ BACK ] of LCD to end the service mode, and then POWER OFF.
Lock Search History Indication
Touch the [ 4 ] of LCD, select Lock search history indication.

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 [ BACK ] of LCD to end the service mode, and then POWER OFF.

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.
- 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.
Forced full flash emission
Touch the [ 9 ] of LCD, select Forced full flash execution.
Indication contents
Discharging the capacitor without using register.
Forced full flash emission for charge capacitor completely discharge.
To prevent electric shock, we recommend enforcement before disassembling.
Cutting of battery connection or AC power supply connection to end the service mode.

Erasing the lock histories
Touch the [ 10 ] of LCD, select erasing the lock histories execution

Indication contents
Erasing the error histories stored in EEPROM. (working time is not erased)
Cutting of battery connection or AC power supply connection to end the service mode.
Camera data indications while the video playback
Touch the [ 12 ] of LCD, select indicating the camera informations while playing back the recorded video.
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.

Panasonic Digital cameras – Panasonic Lumix DMC-FZ28 – Error code Display – Lithium Battery replacement – Initialization

INITIAL SETTINGS

PROCEDURES:
Step 1. The temporary cancellation of initial setting:
Set the REC/PLAY switch to “[ Recording ]”.
Set the mode dial to “[ P ]”.
While keep pressing [ AF macro/Focus button ] and “[ UP ] of Cursor button” simultaneously, turn the Power on.
Step 2. The cancellation of initial setting:
Set the REC/PLAY switch to “[ Playback ]”.
Press [ AF macro/Focus switch ] and “[ UP ] of Cursor button” simultaneously, turn the Power off.
Step 3. Turn the Power on:
Set the REC/PLAY switch to “[Recording]”, turn the Power on.

Step 4. Display the INITIAL SETTING:
While keep pressing [ MENU ] and “[ RIGHT ] of Cursor button” simultaneously, turn the Power off.

There are two kinds of “INITIAL SETTINGS” menu format.
[ 1. After replacing MAIN P.C.B./FLASH ROM ]

[ 2. Other than “After replacing MAIN P.C.B./FLASH ROM” ]

Step 5. Set the INITIAL SETTING

The model suffix can be chosen JUST ONE TIME.
Once one of the model suffix have been chosen, the model suffix lists will not be displayed, thus, it can not be changed.
Select the area carefully.
Select the area with pressing “[ UP ]/[ DOWN ] of Cursor button”, and then press the “[ RIGHT ] of Cursor button”.

The only set area is displayed, and then press the “[ RIGHT ] of Cursor button” after confirmation.
(The unit is powered off automatically.)
Confirm the display of “PLEASE SET THE CLOCK” in English when the unit is turned on again.
Step 6. CONFIRMATION:
The display shows “PLEASE SET THE CLOCK” when turn the Power on again.
When the unit is connected to PC with USB cable, it is detected as removable media.

Service Mode
Error Code Memory Function
1. General description
This unit is equipped with history of error code memory function, and can be memorized 16 error codes in sequence from the latest. When the error is occurred more than 16, the oldest error is overwritten in sequence.
The error code is not memorized when the power supply is shut down forcibly (when the unit is powered on by the battery, the battery is pulled out) because the error code is memorized to FLASH ROM when the unit is powered off.
2. How to display
The error code can be displayed by the following procedure:
Before perform the error code memory function, connect the AC adaptor or insert the battery.
(Since this unit has built-in memory, this error code memory function can be performed without inserting SD memory card.)
A. The temporary cancellation of initial setting:
Set the REC/PLAY switch to “[Recording]”.
Set the mode dial to “[ P ]”.
While keep pressing [ AF macro/Focus switch ] and “[ UP ] of Cursor button” simultaneously, turn the Power on.
B. The display of error code:
Press [ AF macro/Focus switch ], [MENU] and “[ LEFT ] of Cursor button” simultaneously with the step 1 condition.
The display is changed as shown below when the above buttons is pressed simultaneously.
Normal display > Error code display > Operation history display > Normal display > .....

C. The change of display:
The error code can be memorized 16 error codes in sequence, however it is displayed 5 errors on the LCD.
Display can be changed by the following procedure:
“[ UP ] or [ DOWN ] of Cursor button” : It can be scroll up or down one.
“[ LEFT ] or [ RIGHT ] of Cursor button” : It can be display last 5 error or another 5 error.
D. How to read the error date:
The error date code is displayed from the left in order at the year, month, day, time.
Error date information is acquired from “Clock setting” information when the error occurs.
When the clock in not setting, it is displayed as “00000000”.

E. How to read the error code:
One error code is displayed for 8 bit, the contents of error codes is indicated.

How to Replace the Lithium Battery
Replacement Procedure
1. Remove the Main PCB.
2. Remove the Lithium battery and then replace it into new one.

How to Discharge the Capacitor on Main PCB

1. Put the insulation tube onto the lead part of Resistor (1kOhm /5W).
2. Put the resistor between both terminals of capacitor on MAIN PCB for approx. 5 seconds.
3. After discharging confirm that the capacitor voltage is lower than 10V using a voltmeter.

Panasonic Digital camera - Panasonic AG-HPX370P - AG-HPX371E - AG-HPX372EN - AG-HPX373MC - AG-HPX374ER - How to access service mode – How to update the firmware

Service menu

How to open the SERVICE menu
1. Push the button in order of “RESET” button >  “STOP” button >  “DISP/MODE CHK” button > “MENU” button, and then DIAG(SERVICE), ADJUST, DEFECT(EDIT) and DEFECT(NEW) menu can be displayed in addition to a setup menus.
2. After the DIAG(SERVICE), ADJUST, DEFECT(EDIT) and DEFECT(NEW) menu are displayed, use the JOG dial button to select the menu. And press the JOG dial button to open the selected menu.
NOTE: Thumbnail display screen mode can not be display the menu. When the thumbnail menu is displayed, press the THUMBNAIL button to display off.

Software Version Display

The version number of software is displayed in DIAGNOSTIC menu screen of setting menu.
1. Turn the power on.
2. Press MENU button to display the setting menu.
3. Use JOG dial button to select the DIAGNOSTIC menu and press JOG dial button to open the DIAGNOSTIC menu.

4. The version number is displayed under item VERSION

5. Press JOG dial button.
6. Select “DISPLAY” and press JOG dial button to display the version of each software.

Update with the SD memory card

Preparation for SD memory card
1. SD memory card (more than 64MB memory card) is required.
2. Insert an SD memory card into the P2 equipment and format it.
NOTE: SD memory card used in the P2 equipment requires to be conformed to SDTM standards. Be sure to format SD memory card with P2 equipment. To format SD memory card using a personal computer, download the proper software from the download site (Support Desk).
Copy of Image data for update
1. Download Image Data “VSI*****zip” for the update.
2. Copy the file “VSI*****zip” to hard disk of your PC and extract the file.
3. Insert a formatted SD memory card into the card slot of PC.
4. Copy the folder “PRIVATE” to SD memory card. The downloaded image data (upgrade file: VSI*****.img) is included in folder “PRIVATE”.
NOTE: Do not change the construction of folder and file name. The folder construction shown in the following and top of directory should be “PRIVATE”

Folder: PRIVATE MEIGROUP PAVCN SBG P2SD FW File Name: VSI*****.img

External Power
It is best to power the unit from the external power supply. This will prevent the unit from shutting off during updating.

Updated procedure

1. Turn the power on. Press the THUMBNAIL button to thumbnail display screen mode.
2. Insert a formatted SD memory card into the SD card slots of this unit.
3. Press the THUMBNAIL MENU button to display the menu on thumbnail screen.

4. Use the CURSOR button to select the item “OPERATION” and press SET button to open the OPERATION menu.

5. Select the item “UPDATE” on the menu and press the SET button (If the update SD memory card does not insert into the unit, item “UPDATE” does not appeared.). The confirmation menu of the execution is displayed. If update is executed, select the item “YES” and press SET button. In this time, BUSY lamp(SD Access LED) is turned off.

6. Update program is started and the message “PREPARING FOR UPDATE” appears on screen. In this timing, it is doing preparation such as the confirmation of the data of the updating. In this time, BUSY lamp(SD Access LED) is turned off.

7. When shifting to the update process of the flash and microcomputer, following screen is displayed. During updating software, BUSY lamp (SD Access LED) is blink.

Software update takes approx. 10 to 30min.
NOTE: When the BUSY lamp (SD Access LED) remains being lit for more than 1 minute, updating is not completed normally even if the screen indicated as above. Turn the power of recorder to OFF and pull out the DC cable. Perform version update again with a newly made SD memory card for updating from the first step.

8. In updating succeed, following screen is displayed. In this time, BUSY lamp (SD Access LED) is turned off.

NOTE: If the update is not successful, an error message will appear.

9. In updating succeed, remove the SD memory card and turn the power of camera recorder to OFF and pull out the DC cable. Then turn the power of camera recorder to ON to restart. This procedure is required to work the recorder normally.
NOTE: Power OFF/ON by the power SW of camera recorder does not work just after updating the software. Please shut OFF the external power supply.
The power OFF and ON of camera recorder is required for updating data renewal.
10. Confirm that the number of software version is renewed for your confirmation update was correctly.

Lithium battery Replacement 

1. Remove the Side Case R S Unit. There is a Lithium battery on the RSIDE2 P.C.Board.

2. Unsolder the each soldering point of electric lead terminal for Lithium battery.

3. Install the new battery.

4. Set the date and time of internal clock.

Samsung Digital camera - Samsung MV900F – Disassembling procedure – How to replace the flash unit

Slide the lock towards the middle of the camera, in the same direction ofthe arrow.

Push the blue battery holder up in the direction of the arrow.

Pull the battery out of the battery slot.

Use tweezers to remove the four rubber screw covers.

Remove the four Phillips 2.381 mm screws on back side of camera and one Phillips 2.381 mm screw on the bottom of the camera, using a Phillips #00 screwdriver.

Remove the back casing by just carefully pulling the casing off of the camera.

Use the Phillips #00 screw driver to remove the four 2.381 mm screwsnext to the screen hinge.

Use plastic opening tool to disconnect screen connector from the control board.

Remove the old screen.

Remove the 2.381 mm screw with a Phillips #00 screwdriver.

Use the plastic opening tool to remove the silver metal lens cover.

Use the tweezers to remove the black electrical tape covering thecopper connector to the control board.

From the front of the camera, push the lens through the back of thecamera

Use a pair of tweezers to flip up the black retaining bar on each of the two ZIF connectors.

Remove the lens assembly from the camera.

Remove the 2.381 mm screw that is holding the copper to the controlboard with a Phillips #00 screw driver.

Use tweezers to pull copper connector from the control board.

Use the plastic opening tool to pry the control board up, thus allowingthe flash bulb assembly to be removed.

Beginning with the battery on the side, gently pull upwards to removethe entire flash bulb assembly.