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1-5

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

Block

Function

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

1

3

2

3

2

3

2

3

2

3

2

3

2

3

2

3

2

3

2

3

2

3

2

3

2

3

2

Detailed

Code

0

0

0

0

0

0

1

0

1

1

2

0

2

1

2

2

2

3

3

0

3

1

4

0

4

1

4

2

4

3

4

4

1

0

1

1

2

0

2

1

2

2

2

3

3

0

3

1

4

0

4

1

4

2

4

3

4

4

Symptom/State

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.

S reel side tape slacking when unloading.

T reel fault.

S reel fault.

FG fault when starting capstan.

FG fault during normal capstan operations.

FG fault when starting drum.

PG fault when starting drum.

FG fault during normal drum operations.

PG fault during normal drum operations.

Phase fault during normal drum operations.

LOAD direction loading motor time-
out.

UNLOAD direction loading motor
time-out.

T reel side tape slacking when
unloading.

S reel side tape slacking when
unloading.

T reel fault.

S reel fault.

FG fault when starting capstan.

FG fault during normal capstan
operations.

FG fault when starting drum.

PG fault when starting drum.

FG fault during normal drum
operations.

PG fault during normal drum
operations.

Phase fault during normal drum
operations.

Self-diagnosis Code

Repaired b

y:

Correction

Use the InfoLITHIUM 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.

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.

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.

1-6E

E

E

Block

Function

6

1

6

1

Detailed

Code

0

0

1

0

Symptom/State

Difficult to adjust focus
(Cannot initialize focus.)

Zoom operations fault
(Cannot initialize zoom lens.)

Self-diagnosis Code

Repaired b

y:

Correction

Inspect the lens block focus reset sensor (Pin qs  of CN1551 of
VC-344 board) when focusing is performed when the control dial
is rotated in the focus manual mode and the focus motor drive circuit
(IC1553 of VC-344 board) when the focusing is not performed.

Inspect the lens block zoom reset sensor (Pin qg  of CN1551 of
VC-344 board) when zooming is performed when the zoom switch
is operated and the zoom motor drive circuit (IC1553 of VC-344
board) when zooming is not performed.

IC4501

VC-344 BOARD (SIDE A)

154 : A
155 : B

Due to the change of IC4501 (mechanism control), there are two
types of versions A and B
The EEPROM data are different according to respective versions.
Also, the IC4501 version can be checked by a discrimination method
by the model name or by the adjusting remote commander.

Changing the version does not make any changes in
schematic diagrams and the rest.

Make it sure to confirm the version after replacing IC4501.

1)

Select page: 3, and address: FF.

2)

The version of IC4501 can be checked from the displayed data.

Data

Version

01

A

02

B

1)

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

2)

Select page: 1C, and input the data in the following table.

To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each
time to set the data.

3)

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

Version

A

B

Address

D0

40

42

2-1

2-2

The following flow chart shows the disassembly procedure.

NS knob

Note: When you remove Cabinet (R) Block,

or when you assembly, please slide
NS knob to the position of "ON".

Note: Flexible board is connected.

1

Lock ace 

x3

2

Cabi (upper)

3

Grip belt

4

Lock ace 

x3

5

Cabi (L)

1

Lock ace 

x6

2

NS knob to the position of "ON".

3

Cabi (R)

4

VC-344: CN1007

5

VC-344: CN1003

6

VC-344: CN1008

1

Tripod Screw

2

Tapping P2 

x2

3

Tapping P2 

x6

4

Claw

5

CF-5100

6

Tapping P2 

x4

7

Claw 

x2

8

P Cabi (C)

9

Tapping P2 

x2

q;

Tapping P2 

x1

qa

P Cabi (M)

qs

PD-204: CN6005

qd

PD-204: CN6001

qf

PD-204, LCD901, ND901

qg

Tapping P2 

x4

qh

Hinge assy

6

Lock ace 

x3

7

Claw

8

Front panel

9

FP-796: CN754, CN1001

1

Lift up the EVF.

2

Tapping P2 

x4

3

Down the EVF.

4

EVF block

5

EVF Cabi (upper)

6

EVF Cabi (lower)

7

FP-797: LCD902

8

EVF lens

1

Tapping P2 

x4

2

Claw 

x2

3

P Cabi (C)

1

VC-344: CN1013

2

VC-344: CN4001

3

Lock ace 

x3

4

EVF/Battely panel block

5

VC-344: CN1009

6

Tapping P2 

x1

7

Lock ace 

x1

8

SS-5100

1

VF blind sheet

2

VC-344: CN2403, CN2404, CN3201

3

VC-344: CN2401

4

Screw (M1.7) 

x2

5

Claw

6

Open the VC-344.

7

VC-344: CN2402

8

VC-344

1

Screw (M1.7) 

x3

2

CS frame

1

VC-344: CN1501

2

VC-344: CN1551

3

Lens sheet

4

Lock ace 

x2

5

Boss

6

Lens LSV-820A

1

5

2

1

3

4

4

6

6

7

9

8

1

1

2

4

5

6

3

qd

qg

2

3

4

6

7

9

q;

qs

1

5

3

3

6

7

1

2

2

3

4

5

6

7

8

1

1

1

2

4

5

8

4

1

2

3

5

6

8

qa

qf

qh

1

2

2

3

4

7

5

6

2

1

3

8

A

B

Adjustment remote
commander (RM-95)

Info lithium battery
(L series)

I/F unit for LANC control
(J-6082-521-A)

CPC jig connector
(J-6082-539-A)

Cabinet R block

EVF block/
Battery panel block assembly

Mechanism deck

Control key block
(SS-5100)

VC-344 board

Front panel block

Lens block

Press the cassette compartment 
in the direction of the arrow 

A

 

to move it up in the direction of 
the arrow 

B

.

Contacting
surface

Eject switch

When exiting the "Forced Power ON" mode, connect the control
key block (SS-5100) to the CN1009 of VC-344 board. Or, when
ejecting the cassette, connect the control key block (SS-5100) to
the CN1009 of VC-344 board. and press the Eject switch.

To check the mechanism deck, set the Camera or VTR to the "Forced power ON" mode. (Or, connect the control key
block (SS-5100) to the CN1009 of VC-344 board and set the power switch to the "CAMERA" or "PLAY/edit" position.)
Operate the Camera functions of the zoom and focus, the VTR function using the adjustment remote commander
(with the HOLD switch set in the OFF position).

1)  Select page: 0, address: 01, and set data: 01.
2)  Select page: D, address: 10, set data: 02 and 

press the PAUSE button of the adjustment remote
commander.

1)  Select page: 0, address: 01, and set data: 01.
2)  Select page: D, address: 10, set data: 02 and 

press the PAUSE button of the adjustment remote
commander.

1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 10, data: 00, and press the PAUSE 

button of the adjustment remote commander.

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

AC adaptor

AC IN

1

5

2

1

3

4

4

6

6

7

9

8

1

1

2

4

5

6

3

3

3

6

7

1

2

2

3

4

5

6

7

8

1

1

1

2

4

5

8

4

1

2

3

5

6

2-3

2-4