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— 5 —

• VC-272 (HI CONTROL)(8/11)

SCHEMATIC DIAGRAM ···························· 4-39

• VC-272 (AUDIO)(9/11)

SCHEMATIC DIAGRAM ···························· 4-41

• VC-272 (DC-DC CONVERTER)(10/11)

SCHEMATIC DIAGRAM ···························· 4-43

• VC-272 (CONNECTOR)(11/11)

SCHEMATIC DIAGRAM ···························· 4-45

• VC-272 (CAMERA PROCESSOR AMP,  Y/C

PROCESSOR, FOCUS/ZOOM MOTOR DRIVE,
REC/PB AMP, LINE OUT AMP, SERVO, MODE
CONTROL, STEADY SHOT, HI CONTROL, AUDIO,
DC-DC CONVERTER, CONNECTOR)

PRINTED WIRING BOARD ······················· 4-47

• FP-397 FLEXIBLE BOARD ····································· 4-51

4-3.

WAVEFORMS ······························································ 4-52

4-4.

MOUNTED PARTS LOCATION ································· 4-55

1.

Adjusting items when replacing main parts and boards. · 5-2

5-1.

CAMERA SECTION ADJUSTMENT ··························· 5-4

1-1.

PREPARATIONS BEFORE ADJUSTMENT
(CAMERA SECTION) ··················································· 5-4

1-1-1. List of Service Tools ························································ 5-4
1-1-2. Preparations ····································································· 5-5
1-1-3. Precaution ········································································ 5-7
1.

Setting the Switch ···························································· 5-7

2.

Order of Adjustments ······················································ 5-7

3.

Subjects ··········································································· 5-7

1-2.

INITIALIZATION OF D, E, F, 7 PAGE DATA ·············· 5-8

1.

Initializing the D, E, F, 7 Page Data ································ 5-8

2.

Modification of D, E, F, 7 Page Data ······························ 5-8

3.

D Page Table ···································································· 5-8

4.

F Page table ····································································· 5-9

5.

E Page Table ·································································· 5-10

6.

7 Page Table ··································································· 5-11

1-3.

CAMERA SYSTEM ADJUSTMENTS ························ 5-12

1.

HALL Adjustment ························································· 5-12

2.

Flange Back Adjustment (Using Minipattern Box) ······· 5-13

3.

Flange Back Adjustment (Using Flange Back Adjustment
Chart and Subject More Than 500m Away) ·················· 5-14

3-1.

Flange Back Adjustment (1) ·········································· 5-14

3-2.

Flange Back Adjustment (2) ·········································· 5-14

4.

Flange Back Check ························································ 5-15

5.

Picture Frame Setting ···················································· 5-15

6.

Color Reproduction Adjustment ···································· 5-16

7.

Auto White Balance & LV Standard Data Input ··········· 5-17

8.

Auto White Balance Adjustment ··································· 5-18

9.

White Balance Check ···················································· 5-19

10.

Steady Shot Check ························································· 5-20

1-4.

ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENT ····························································· 5-21

1.

RGB AMP Adjustment (VF-150 board) ························ 5-22

1-1.

Automatic Adjustment ··················································· 5-22

1-2.

Manual Adjustment ······················································· 5-22

2.

Contrast Adjustment (VF-150 board) ···························· 5-23

2-1.

Automatic Adjustment ··················································· 5-23

2-2.

Manual Adjustment ······················································· 5-23

3.

White Balance Adjustment (VF-150 board)
(CCD-TR848) ································································ 5-24

5-2.

MECHANISM SECTION ADJUSTMENT ·················· 5-25

2-1.

ADJUSTMENT REMOTE COMMANDER ················ 5-25

2-2.

OPERATING WITHOUT CASSETTE ························ 5-25

2-3.

TAPE PATH ADJUSTMENT ········································ 5-25

1.

Preparations for Adjustment ·········································· 5-25

5-3.

VIDEO SECTION ADJUSTMENTS ··························· 5-26

3-1.

PREPARATIONS BEFORE ADJUSTMENTS ············ 5-26

3-1-1. Equipment to Required ·················································· 5-26
3-1-2. Precautions on Adjusting ··············································· 5-27
3-1-3. Adjusting Connectors ···················································· 5-28
3-1-4. Connecting the Equipment ············································ 5-28
3-1-5. Alignment Tape ····························································· 5-29
3-1-6. Output Level and Impedance ········································· 5-30
3-1-7. Recording Mode (Standard 8/Hi8) switching ··············· 5-30
3-2.

SYSTEM CONTROL SYSTEM ADJUSTMENT ········ 5-31

1.

Initialization of D, E, F, 7 Page Data ····························· 5-31

3-3.

SERVO ADJUSTMENT ··············································· 5-31

1.

CAP FG Offset Adjustment (VC-272 board) ················ 5-31

2.

Switching Position Adjustment (VC-272 board) ··········· 5-31

3-4.

VIDEO SYSTEM ADJUSTMENTS ····························· 5-32

1.

28 MHz Origin Oscillation Adjustment (VC-272 board) · 5-32

2.

AFC f

0

 Adjustment (VC-272 board) ····························· 5-32

3.

Y OUT Level Adjustment (VC-272 board) ··················· 5-33

4.

C OUT Level Adjustment (VC-272 board) ··················· 5-33

5.

REC Y Current Adjustment (VC-272 board) ················ 5-34

6.

REC C/AFM Current Adjustment ································· 5-35

6-1.

Preparations ··································································· 5-35

6-2.

REC C Current Check (VC-272 board) ························ 5-35

6-3.

REC AFM Current Adjustment (VC-272 board) ·········· 5-36

6-4.

Processing after completed adjustment ························· 5-36

3-5.

AUDIO SYSTEM ADJUSTMENTS ···························· 5-37

1.

1.5 MHz Deviation Adjustment (VC-272 board) ·········· 5-37

2.

BPF f

0

 Adjustment (VC-272 board) ······························ 5-37

5-4.

SERVICE MODE ·························································· 5-38

4-1.

ADJUSTMENT REMOTE COMMANDER ················ 5-38

1.

Using the Adjustment Remote Commander ·················· 5-38

2.

Precautions Upon Using the Adjustment Remote
Commander ··································································· 5-38

4-2.

DATA PROCESS ··························································· 5-39

4-3.

SERVICE MODE ·························································· 5-40

1.

Test Mode Setting ·························································· 5-40

2.

Emergency Memory Address ········································ 5-41

2-1.

EMG code (Emergency code) ······································· 5-41

2-2.

MSW codes ··································································· 5-42

3.

Bit Value Discrimination ··············································· 5-43

4.

Switch check (1) ···························································· 5-43

5.

Switch check (2) ···························································· 5-43

6.

Switch check (3) ···························································· 5-44

7.

Record of Use check ······················································ 5-44

8.

Record of Self-diagnosis check ····································· 5-45

6-1.

EXPLODED VIEWS ······················································ 6-1

6-1-1. OVERALL SECTION ····················································· 6-1
6-1-2. F PANEL SECTION ······················································· 6-2
6-1-3. CABINET (L) SECTION ················································ 6-3
6-1-4. BATTERY PANEL SECTION ········································ 6-4
6-1-5. EVF SECTION ································································ 6-5
6-1-6. LENS SECTION ····························································· 6-6
6-1-7. CABINET (R) SECTION ··············································· 6-7
6-1-8. CASSETTE COMPARTMENT ASSY, DRUM ASSY ··· 6-8
6-1-9. LS CHASSIS BLOCK ASSEMBLY ······························· 6-9
6-1-10. MECHANICAL CHASSIS BLOCK ASSEMBLY-1 ···· 6-10
6-1-11. MECHANICAL CHASSIS BLOCK ASSEMBLY-2 ···· 6-11
6-2.

ELECTRICAL PARTS LIST ········································ 6-12

 *

  Color reproduction frame are shown on page 199.

— 6 —

In this unit, about 10 seconds after power is supplied (8.4V) to the battery terminal, the power is shut off so that the unit cannot operate.
The following method is available to prevent this.

Use the DC IN terminal. (Use the AC power adaptor.)

1

Refer to 2-5. to remove the front panel assembly.

2

Refer to 2-7. to remove the cabinet (R) assembly.

3

Open the control switch block (FK-2000).

4

Refer to 2-6. to remove the cassette lid assembly.

5

Refer to 2-6. to remove the cabinet (L) assembly.

6

Disconnect CN704 (2P) of VC-272 board.

7

Add +5V from the DC POWER SUPPLY and unload with a pressing the cassette compartment.

8

Pull the timing belt in the direction of 
arrow 

A

 with a pincette while pressing 

the cassette compartment (take care 
not to damage) to adjust the bending 
of a tape.

9

Let go your hold the cassette 
compartment and rise the cassette 
compartment to take out a cassette.

Pincette

Timing belt

Timing belt

Press the cassette compartment not to 
rise the cassette compartment

[DC power supply]

(+5V)

Adjust the bending of a tape

Disconnect CN704
of VC-272 board.

Loading motor

A

A

— 7 —

When problems occur while the unit is operating, the self-diagnosis
function starts working, and displays on the viewfinder or Display
window 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.

Note: The “self-diagnosis display” data will be backed up by the built-in rechargeable lithium battery (CF-088 board BT001).

When the cabinet (R) assembly is disconnected, the “self-diagnosis display” data will be lost by initialization.

When problems occur while the unit is operating, the counter of the
viewfinder or Display window shows a 4-digit display consisting
of an alphabet and 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 “PLAYER”, 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 rotating the control dial, 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

3 C : 3 1 : 11

1 1

3 1

C : 3 1 : 11

C

C : 3 1 : 1 1

— 8 —

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

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

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

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.

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.