Bedienungsanleitung JVC DR-MV1SUC (Seite 10 von 24) (Englisch)

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SECTION 4

ADJUSTMENT

4.1 Before adjustment

4.1.1 Precaution

• The adjustments of this unit include the mechanism com-

patibility and electrical adjustments. During the perfor-

mance of this work, be sure to observe the precautions for

each type of adjustment.

• If there is a reference to a signal input method in the signal

column of the adjustment chart, “Ext. S-input” means the

Y/C separated video signal and “Ext. input” means the

composite video signal input.

• Unless otherwise specified, all measuring points and

adjustment parts are located on the Main board.

4.1.2 Required test equipments

• Color (colour) television or monitor

• Oscilloscope: wide-band, dual-trace, triggered delayed sweep

• Signal generator: RF / IF sweep / marker

• Signal generator: stairstep, color (colour) bar [NTSC]

• Recording tape

• Digit-key remote controller(provided)

4.1.3 Required adjustment tools

: Used

--- : Not used

4.1.4 Color (colour) bar signal,Color (colour) bar pattern

4.1.5 Switch settings

When adjusting this unit, set the VCR mode and switches

as described below.

• When using the Jig RCU, it is required to set the VCR to the

Jig RCU mode (the mode in which codes from the Jig RCU can

be received). (See "section 2 SPECIFIC SERVICE INSTRUC-

TIONS".)

Fig.4-1 Jig RCU [PTU94023B]

• Set the switches as shown below unless otherwise specified

on the relevant adjustment chart. The switches that are not list-

ed below can be set as desired.

If the VCR is not equipped with the functions detailed below,

setup is not required.

4.1.6 Manual tracking mode (Auto tracking ON/OFF) set-

ting

(1) In order to set to the manual tracking mode during tape

playback, press the “SP/EP(LP)”button on the remote con-

trol unit.

• Each press of the button switches the auto tracking ON

or OFF.

• When the manual tracking mode is set, the tracking is

placed at the center position.

(2) Press “channel +/-” to adjust the tracking manually.

4.1.7 EVR Adjustment

Some of the electrical adjustments require the adjustment per-

formed by the EVR system. The main unit have EEPROMs for

storing the EVR adjustment data and user setups.

Notes:

• In the EVR adjustment mode, the value is varied with the

channel buttons (+, -). The adjusted data is stored when

the setting mode changes (from PB to STOP, when the

tape speed is changed, etc.). Take care to identify the

current mode of each adjustment item when making an

adjustment.

• When changing the address setting in the EVR adjust-

ment mode, use the Jig RCU or the remote controller

having numeric keypad with which a numeric code can

be directly input.

The remote control code of the Jig RCU corresponds to

each of the digit keys on the remote controller as fol-

lows.

Mechanism

compatibility

adjustment

Electrical

adjustment

Roller driver

z ---

Jig RCU --- z

Back tension cassette gauge z ---

Alignment tape(MHP) z ---

Alignment tape(MHP-L) zz

Roller driver

PTU94002

Back tension cassette gauge

PUJ48076-2

Jig RCU

PTU94023B

Alignment tape

(SP, stairstep, NTSC)

MHP

Alignment tape

(EP, stairstep, NTSC)

MHP-L

White(75%)

100 IRE

40 IRE

Horizontal sync

White(100%)

Yellow

Cyan

Green

Magenta

Red

Blue

Burst

40 IRE

White

Yellow

Cyan

Green

Magenta

Red

Blue

Q I Black

White

100%

(75%)

Color(colour) bar signal [NTSC]

Color(colour) bar pattern [NTSC]

AUTO PICTURE/VIDEO CALIBRATION/

B.E.S.T./D.S.P.C.

OFF

PICTURE CONTROL/SMART PICTURE NORMAL/NATURAL

VIDEO STABILIZER OFF

TBC ON

Digital 3R ON

VIDEO NAVIGATION/TAPE MANAGER OFF

BLUE BACK OFF

INITIAL MODE

DATA CODE

CUSTOM CODE

43: A CODE

[Data transmitting method]

Depress the " "( 3 ) button

after the data code is set.

Jig RCU

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