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— 5 —

In this unit, about 10 seconds after power is supplied to the battery terminal using the regulated power supply (8.4V), the power is shut off so
that the unit cannot operate.
This following two methods are available to prevent this. Take note of which to use during repairs.

Use the AC power adaptor (AC-L10, AC-VQ800, AC-SQ950 etc.).

Connect the servicing remote commander RM-95 (J-6082-053-B) to the LANC jack, and set the commander switch to the “ADJ” side.

1

Refer to 2-2. to remove the HS cover.

2

Refer to 2-2. to remove the jack cover.

3

Refer to 2-2. to remove the cabinet (R) assembly.

4

Refer to “3. DISCHARGING OF THE FLASHLIGHT POWER SUPPLY CAPACITOR” to discharge the flash power supply capacitor.

5

Refer to 2-3. to remove the mechanism deck and the lens block and the EVF block from the cabinet (L) block.

6

Disconnect CN302 (72P, 0.4mm) of VC-270 board.

7

Disconnect CN006 (27P, 0.3mm) of VC-270 board.

8

Supply +4.5V from the DC power supply to the loading motor and unload with a pressing the cassette compartment.

: Unloading

: Loading

VC-270 board

Loading motor

Regulated power supply

(+4.5Vdc)

CN006

CN302

— 6 —

The capacitor (C2010) of the flash unit (MC1850) is charged up to the maximum 300V potential. There is a danger of electric shock by this
high voltage when the flash unit (MC1850 or ST1850) is handled by hand. The electric shock is caused by the charged voltage which is kept
without discharging when the main power of the unit is simply turned off. Therefore, the remaining voltage must be discharged as described
below.

To preparing the short jig. a small clip is attached to each end of a resistor of 1k

Ω

/1W (1-215-869-11). Wrap insulating tape fully around the

reads of the resistor to prevent electric shock.

Connect the short jig with the capacitor directly.
1

Remove the power supply (Battery or AC power adaptor).

2

Short circuit between TP001 of the flash unit (MC1850) and the GND
(Chassis etc.) with the short jig about 10 seconds.

Perfect discharge can’t be done in this method. (Remaining voltage = Approx. 90V)

1

Connect the power supply (Battery or AC power adaptor).

2

Set POWER switch to “CAMERA”.

3

Connect the adjustment remote commander to the LANC jack, and set the HOLD switch to the “ADJ” side.

4

Select page: 0, address: 01. and set data: 01.

5

Select page: D, address: F4. set data: 04, and press PAUSE button of the adjustment remote commander.

6

Press FLASH (   ) button and set to the forced flash mode (   ), and press PHOTO button to pop up the flash.

7

Select page: 6, address: B3. and set data: 03.

8

Select page: 6, address: B1. and set data: 01.

9

Select page: 6, address: B0. and set data: 01.

→

The flash flashes, and data are returned to “00”

0

Repeat step 9, until the flash dose not flash.
After completing repairs/adjustments, perform “PROCESSING AFTER COMPLETING REPAIRS/ADJUSTMENTS”

1

Connect the power supply (Battery or AC power adaptor).

2

Set POWER switch to “CAMERA”.

3

Connect the adjustment remote commander to the LANC jack, and set the HOLD switch to the “ADJ” side.

4

Select page: 0, address: 01. and set data: 01.

5

Select page: D, address: F4. set data: 00, and press PAUSE button of the adjustment remote commander.

6

Select page: 6, address: B3. and set data: 00.

7

Select page: 6, address: B1. and set data: 00.

8

Select page: 0, address: 01. and set data: 00.

1 k

 

Ω

/1 W

Wrap insulating tape

Flash unit
(MC1850) TP001

Flash unit (MC1850)

C2010

Short jig

GND
Chassis
(Sheet metal bending block)

1 k

 

Ω

/1 W resistor

(1-215-869-11)

— 7 —

When problems occur while the unit is operating, the self-diagnosis
function starts working, and displays on the viewfinder or LCD
screen what to do. This function consists of two display; self-
diagnosis display and service mode display.
Details of the self-diagnosis functions are provided in the Instruction
manual.

The “self-diagnosis display” data will be backed up by the coin-type lithium battery (BT001) of the control switch block (FK-1850). When the
cabinet (L) assembly is removed, the “self-diagnosis display” data will be lost by initialization.

When problems occur while the unit is operating, the counter of the
viewfinder or LCD screen consists of an alphabet and 4-digit
numbers, which blinks at 3.2 Hz. This 5-character display indicates
the  “repaired by:”,  “block” in which the problem occurred, and
“detailed code” of the problem.

The service mode display shows up to six self-diagnosis codes shown in the past.

While pressing the “STOP” key, set the switch from OFF to “VCR”, and continue pressing the “STOP” key for 5 seconds continuously. The
service mode will be displayed, and the counter will show the backup No. and the 5-character self-diagnosis codes.

By pressing up side or down side of the control button, past self-diagnosis codes will be shown in order. The backup No. in the [] indicates the
order in which the problem occurred. (If the number of problems which occurred is less than 6, only the number of problems which occurred
will be shown.)
[1] : Occurred first time

[4] : Occurred fourth time

[2] : Occurred second time

[5] : Occurred fifth time

[3] : Occurred third time

[6] : Occurred the last time

Turning OFF the power supply will end the service mode display.

C : 3 1 : 1 1

[3]

[3] C : 3 1 : 1 1

1 1

3 1

C

C : 3 1 : 1 1

Control button

— 8 —

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

E

E

E

E

E

0

4

2

1

2

2

3

1

3

1

3

1

3

1

3

1

3

1

3

1

3

1

3

1

3

1

3

1

3

1

3

2

3

2

3

2

3

2

3

2

3

2

3

2

3

2

6

1

6

1

6

2

6

2

9

1

0

0

0

0

0

0

1

0

1

1

2

0

2

1

2

2

2

3

2

4

3

0

4

0

4

2

1

0

1

1

2

0

2

1

2

2

2

3

2

4

3

0

4

0

4

2

0

0

1

0

0

0

0

1

0

1

Non-standard battery is used.

Condensation.

Video head is dirty.

LOAD direction. Loading does not
complete within specified time

UNLOAD direction. Loading does not
complete within specified time

T reel side tape slacking when unloading.

Winding S reel fault when counting the
rest of tape.

T reel fault.

S reel fault.

T reel fault.

FG fault when starting capstan.

FG fault when starting drum.

FG fault during normal drum operations.

LOAD direction loading motor time-
out.

UNLOAD direction loading motor
time-out.

T reel side tape slacking when
unloading.

Winding S reel fault when counting the
rest of tape.

T reel fault.

S reel fault.

T reel fault.

FG fault when starting capstan.

FG fault when starting drum

FG fault during normal drum
operations

Difficult to adjust focus
(Cannot initialize focus.)

Zoom operations fault
(Cannot initialize zoom lens.)

Steadyshot function does not work well.
(With pitch angular velocity sensor output
stopped.)

Steadyshot function does not work well.
(With yaw angular velocity sensor output
stopped.)

Charging the flash does not complete
witin the specified time.

Use the info LITHIUM battery.

Remove the cassette, and insert it again after one hour.

Clean with the optional cleaning cassette.

Load the tape again, and perform operations from the beginning.

Load the tape again, and perform operations from the beginning.

Load the tape again, and perform operations from the beginning.

Load the tape again, and perform operations from the beginning.

Load the tape again, and perform operations from the beginning.

Load the tape again, and perform operations from the beginning.

Load the tape again, and perform operations from the beginning.

Load the tape again, and perform operations from the beginning.

Load the tape again, and perform operations from the beginning.

Load the tape again, and perform operations from the beginning.

Remove the battery or power cable, connect, and perform
operations from the beginning.

Remove the battery or power cable, connect, and perform
operations from the beginning.

Remove the battery or power cable, connect, and perform
operations from the beginning.

Remove the battery or power cable, connect, and perform
operations from the beginning.

Remove the battery or power cable, connect, and perform
operations from the beginning.

Remove the battery or power cable, connect, and perform
operations from the beginning.

Remove the battery or power cable, connect, and perform
operations from the beginning.

Remove the battery or power cable, connect, and perform
operations from the beginning.

Remove the battery or power cable, connect, and perform
operations from the beginning.

Remove the battery or power cable, connect, and perform
operations from the beginning.

Inspect the lens block focus MR sensor (Pin 8,9 of CN151 of
CD-349 board) when focusing is performed when the focus ring is
rotated in the focus manual mode, and the focus motor drive circuit
(IC201 of VC-270 board) when the focusing is not performed.

Inspect the lens block zoom MR sensor (Pin ql,wa of CN151 of
CD-349 board) when zooming is performed when the zoom lens is
operated and the zoom motor drive circuit (IC201 of VC-270 board)
when zooming is not performed.

Inspect pitch angular velocity sensor (SE3450 of VM-027 board)
peripheral circuits.

Inspect yaw angular velocity sensor (SE3451 of VM-027 board)
peripheral circuits.

Inspect the flash unit (ST1850 and MC1850).